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California’s Top 10 Most-Polluted Cities: A New Report Sheds Light on Air Quality Challenges

“California’s top 10 most-polluted cities revealed in a new report: Happy Camp, Baldwin Park, Ridgewood, Cutler, Salton City, Orleans, North El Monte, Willowbrook, Willow Creek, San Bernardino.”

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In recent years, wildfires have plagued California, causing widespread concerns about air quality. As haze and smoke engulf skylines, visibility decreases, and the effects are felt by all, especially those with underlying health conditions. The World Health Organization (WHO) has identified air pollution as the greatest environmental threat to human health, attributing one out of every nine deaths worldwide to this silent killer. To assess the severity of the problem within the Golden State, IQAir conducted a comprehensive study, revealing California’s top ten most-polluted cities based on air pollution levels from 2018 to 2023.

California

  1. Happy Camp: Air Quality Index (AQI) – 16.8
    Topping the charts is Happy Camp, a municipality that endured significant exposure to wildfire smoke in 2020. Despite this dubious distinction, the city’s AQI of 16.8 needs to be put into perspective. Compared to other international cities like Delhi, India (347), Dhaka, Bangladesh (185), and Milano, Italy (143), Happy Camp’s pollution levels are relatively lower.
  2. Baldwin Park: AQI – 15.3
    Baldwin Park follows closely with an AQI of 15.3, demonstrating the challenges faced by this urban center. The city’s proximity to major highways and industrial areas could contribute to its elevated pollution levels.
  3. Ridgewood: AQI – 15.3
    Sharing the same AQI as Baldwin Park, Ridgewood highlights the need for concerted efforts to improve air quality in this community.
  4. Cutler: AQI – 14.9
  5. Salton City: AQI – 14.9
    Both Cutler and Salton City register an AQI of 14.9, indicating the persistent pollution struggles faced by these regions.
  6. Orleans: AQI – 14.7
  7. North El Monte: AQI – 14.4
    Both Orleans and North El Monte underscore the challenges faced by rural and suburban areas in maintaining clean air quality.
  8. Willowbrook: AQI – 14.4
  9. Willow Creek: AQI – 14.1
    Both Willowbrook and Willow Creek illustrate the diverse geographical landscape across California, as urban and rural areas alike contend with pollution challenges.
  10. San Bernardino: AQI – 14.0
    Occupying the tenth spot on the list, San Bernardino showcases the need for ongoing efforts to mitigate air pollution in larger cities.


The alarming pollution levels recorded in California’s top ten most-polluted cities demand immediate attention and comprehensive actions to safeguard the well-being of residents. While the data emphasizes the challenges faced by these communities, it is crucial not to lose sight of the global scale of the problem. Initiatives to combat air pollution need to be undertaken collectively, involving government bodies, environmental organizations, and individuals. By implementing sustainable practices, increasing awareness, and supporting clean air policies, we can collectively work towards improved air quality and the well-being of all Californians.

Please take a look at the IQ Air study by clicking on the link here. https://www.iqair.com/us/world-most-polluted-cities

https://stmdailynews.com/category/science/

https://patch.com/california/orange-county/s/ivmrl/these-are-cas-top-10-most-polluted-cities-report-says

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  • Rod Washington

    Rod: A creative force, blending words, images, and flavors. Blogger, writer, filmmaker, and photographer. Cooking enthusiast with a sci-fi vision. Passionate about his upcoming series and dedicated to TNC Network. Partnered with Rebecca Washington for a shared journey of love and art. View all posts

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Rod: A creative force, blending words, images, and flavors. Blogger, writer, filmmaker, and photographer. Cooking enthusiast with a sci-fi vision. Passionate about his upcoming series and dedicated to TNC Network. Partnered with Rebecca Washington for a shared journey of love and art.

News

Arizona Senate Passes Landmark Bill to Reform Housing Regulations

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man in black shirt wearing yellow hard hat pushing barrow. Housing
Photo by Mikael Blomkvist on Pexels.com

In a significant move aimed at addressing the ongoing housing crisis in Arizona, the state Senate has passed Senate Bill 1229, a piece of legislation that could transform the way municipalities regulate home designs and development standards. This bipartisan bill passed on March 5, 2025, with a narrow vote of 16-13, attracting support from both Democrats and Republicans who are united in their objective to enhance housing affordability in the Grand Canyon State.

Key Provisions of Senate Bill 1229

One of the most notable aspects of SB 1229 is its proposal to prevent municipalities from mandating shared amenities that require a Homeowners Association (HOA) for maintenance. This change is seen as a step toward safeguarding homeowners’ rights to decide the features, structure, and design of their properties without being subjected to burdensome regulations.

Moreover, the bill aims to prohibit cities from requiring certain elements such as screening, walls, or fencing on residential properties. It will also establish boundaries on how cities can regulate lot sizes and building setbacks. These provisions are designed to empower homeowners and help make housing more accessible.

Addressing the Housing Crisis

The initiative comes in light of a severe housing crisis that has plagued Arizona, making homeownership increasingly elusive for many residents. The language within the bill highlights the ongoing struggle for citizens in obtaining affordable housing: “It has become virtually impossible for many citizens of this state to achieve the American Dream of owning their own home.”

Supporters assert that the current highly-restrictive regulations contribute to this crisis and that SB 1229 presents a commonsense solution for families, teachers, first responders, and young professionals who have found themselves priced out of the housing market.

Bipartisan Support and Community Impact

Notably, the bill garnered a rare coalition of support from both parties, with nine Republicans and seven Democrats voting in favor. This broad backing could play a crucial role in advancing the bill to the House, where it may have a better chance of avoiding a veto from Governor Katie Hobbs.

State Senator Shawnna Bolick, a Republican representing District 2, expressed that this new legislation is a much-needed remedy to the housing challenges faced by many Arizona families. She emphasized that it aims to help working-class citizens secure homes that meet their needs and budget.

Echoing these sentiments, Democratic Senator Analise Ortiz shared her own struggles in the current housing market. “At 31, I cannot afford to own a home where I was born and raised and currently govern,” she stated. Ortiz’s personal experience underscores the urgency for legislative changes that prioritize affordable housing options for all residents.

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Conclusion

As Arizona grapples with a pervasive housing crisis, Senate Bill 1229 represents a pivotal step towards unlocking new possibilities for homeownership and easing regulatory burdens that have long stymied development. By promoting flexibility in housing regulations, this legislation aims to pave the way for a brighter future for countless residents seeking to realize their dream of homeownership in Arizona.

The upcoming discussions in the House will be crucial in determining the fate of this bill. As passionate advocates for housing reform continue to support this initiative, many Arizona residents will be watching closely to see how it unfolds.

Related Links:

https://azcapitoltimes.com/news/2025/03/07/starter-homes-act-smaller-more-affordable-housing-in-arizona

https://www.12news.com/article/news/local/arizona/arizona-senate-passes-bill-change-house-cities-regulate-housing-development-phoenix/75-de9a47e9-08c4-4878-be3d-59377341f8c8

https://www.kawc.org/news/2024-05-09/arizona-senate-passes-measure-on-affordable-housing

STM Daily News is a vibrant news blog dedicated to sharing the brighter side of human experiences. Emphasizing positive, uplifting stories, the site focuses on delivering inspiring, informative, and well-researched content. With a commitment to accurate, fair, and responsible journalism, STM Daily News aims to foster a community of readers passionate about positive change and engaged in meaningful conversations. Join the movement and explore stories that celebrate the positive impacts shaping our world.

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Health

Daylight saving time and early school start times cost billions in lost productivity and health care expenses

Daylight saving time disrupts sleep, leading to increased heart attacks, accidents, and mental health issues. Advocating for permanent standard time and later school start times could significantly enhance public health and reduce economic costs.

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Daylight saving time
Daylight saving time kicks in on March 9, 2025, but some say it leads to more heart attacks, depression and car accidents. Lord Henri Voton/E+ via Getty Images

Joanna Fong-Isariyawongse, University of Pittsburgh

Investigations into the 1986 Space Shuttle Challenger disaster revealed that key decision-makers worked on little sleep, raising concerns that fatigue impaired their judgment. Similarly, in 1989, the Exxon Valdez oil spill resulted in a massive environmental catastrophe. The official investigation revealed the third mate, in charge of steering the ship, was running on too little sleep, among other problems.

While these specific disasters were not caused by daylight saving time, they are conclusively linked to fatigue, based on postaccident investigations and reports. They underscore the well-documented dangers of sleep deprivation and fatigue-related errors. Yet a vast body of research shows that every year, the shift to daylight saving time needlessly exacerbates these risks, disrupting millions of Americans’ sleep and increasing the likelihood of accidents, health issues and fatal errors.

Imagine a world where one simple decision – keeping our clocks aligned with the natural cycle of the Sun – could save lives, prevent accidents and improve mental well-being. It’s not just about an hour of lost sleep; it’s about how small disruptions ripple through our health, our workplaces and even our children’s futures.

I’m a neurologist who specializes in sleep health. I’ve seen firsthand the negative impacts of poor sleep; it has enormous personal and economic consequences.

Yet despite overwhelming research supporting better sleep policies – such as delaying school start times to align with adolescent biology and the adoption of permanent standard time – these issues remain largely overlooked in public policy discussions.

Sleep deprivation comes with real costs

Chronic sleep deprivation does more than leave people tired. It costs an estimated US$411 billion annually in lost productivity and health care costs. Poor sleep leads to workplace mistakes, car accidents and long-term health issues that strain businesses, families and the economy as a whole.

Fortunately, there’s a fix. Smarter sleep policies – such as permanent standard time and later school start times – can boost efficiency, improve health and save lives.

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In a classroom setting, students take an exam.
Sleep-deprived teens have lower test scores and graduation rates. skynesher/E+

Up before dawn

Teenagers are the most sleep-deprived age group in the U.S. Multiple studies and surveys show that anywhere from 71% to 84% of high school students report getting insufficient sleep.

This is largely due to early school start times, which force teens to wake up before their biological clocks are ready. If you have a teenager, you probably see it every day: The teen struggling to wake up before sunrise, rushing out the door without breakfast, then waiting in the dark for the school bus.

More than 80% of public middle and high schools in the U.S. start before 8:30 a.m., with 42% starting before 8 a.m. and 10% before 7:30 a.m. As a result, some districts have bus pickups as early as 5 a.m.

Teenagers are going through a natural shift in their circadian rhythms by about two hours. This shift, driven by hormones and biology, makes it hard for them to fall asleep before around 11 p.m. The bodies of teens aren’t wired for these schedules, yet schools and society have designed a system that forces them to function at their worst.

Declining scores, drowsy driving and depression

Sleep-deprived teens have lower grades and test scores, more car crashes caused by drowsy driving, more alcohol and drug use and higher rates of depression, anxiety suicide and aggressive behavior, including carrying weapons.

Along with the health benefits, studies have found that moving school start times to 8:30 am or later could add $8.6 billion to the economy within two years, partly by increased graduation rates.

While concerns about increased transportation costs exist, such as the need for additional buses or drivers due to staggered school start times, some districts have found that optimizing bus routes can offset expenses, making the change cost-neutral or even cost-saving. For instance, a study in Boston found that reorganizing bus schedules using advanced algorithms reduced the number of buses needed and improved efficiency, which allowed high school students to start later and better align with their natural sleep cycles. This change not only supported adolescent sleep health but also saved the district $5 million annually. https://www.youtube.com/embed/OR6il9otpqM?wmode=transparent&start=0 Studies show that daylight saving time does not reduce energy use.

More heart attacks, car wrecks and suicide

Every March, most Americans shift their clocks forward for daylight saving time. Studies show this change disrupts sleep and leads to measurable adverse outcomes, including a significant increase in heart attacks. These effects linger for days after the shift, as sleep-deprived workers struggle to adjust.

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The mental health impact is also severe. Suicide rates increase in the weeks following the switch, particularly for those already vulnerable to depression.

Unlike daylight saving time, standard time follows the body’s natural circadian rhythm, which is primarily regulated by exposure to sunlight. Our internal clocks are most stable when morning light exposure occurs early in the day, signaling the body to wake up and regulate key biological functions such as hormone production, alertness and metabolism. In contrast, daylight saving time artificially extends evening light, delaying the body’s release of melatonin and making it harder to fall asleep at a biologically appropriate time.

Studies have found that adopting permanent standard time could prevent up to 5,000 suicides annually by reducing seasonal depression, decrease errors, injuries and absenteeism in the workplace and make roads safer, potentially preventing 1,300 traffic deaths each year.

Times are changing

The U.S. tried permanent daylight saving time in 1974. It was so unpopular that Congress repealed it within nine months.

Russia tried it too, in 2011, but switched back three years later. The United Kingdom dropped permanent daylight saving time in 1971 after three years, and Portugal in 1996 after four. All of these countries found that the switch caused widespread public dissatisfaction, health concerns, more morning car accidents and disrupted work schedules. No country is currently on year-round daylight saving time.

These examples provide real-world evidence that permanent DST is undesirable due to public dissatisfaction, safety concerns and negative health effects – all three countries attempted it and ultimately reversed course. Since 2022, there has been renewed debate, largely driven by former U.S. Sen. Marco Rubio’s Sunshine Protection Act, which aims to make DST permanent.

However, the name is misleading because it doesn’t “protect” sunshine but rather eliminates critical morning light, which is essential for regulating circadian rhythms. Major health organizations, along with the National Safety Council, strongly oppose permanent DST due to its well-documented risks.

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There are signs that suggest the U.S. is finally waking up to these problems. Out of 13,000 school districts, 1,000 have independently adopted later school start times. California and Florida have enacted laws requiring high schools to start no earlier than 8:30 a.m. California’s mandate went into effect in 2022, and Florida’s is set to begin in 2026.

Permanent standard time and later school start times are not radical ideas. They’re practical, evidence-based solutions based on human biology. Implementing these changes nationally would require congressional action. However, current federal law already allows states to adopt permanent standard time, as Arizona and Hawaii have done, setting a precedent for the rest of the country.

Joanna Fong-Isariyawongse, Associate Professor of Neurology, University of Pittsburgh

This article is republished from The Conversation under a Creative Commons license. Read the original article.


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Science

Touchdown! Firefly’s Blue Ghost Successfully Lands on the Moon

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moon landing
First image captured by Firefly’s Blue Ghost lunar lander, taken shortly after confirmation of a successful landing at Mare Crisium on the Moon’s near side. This is the second lunar delivery of NASA science and tech instruments as part of the agency’s Commercial Lunar Payload Services initiative. Credit: Firefly Aerospace

Moon Landing

In a significant milestone for space exploration, Firefly Aerospace’s Blue Ghost Mission 1 made a successful landing on the Moon at 3:34 a.m. EST on Sunday. Positioned near the volcanic feature of Mons Latreille within Mare Crisium, a vast basin exceeding 300 miles in diameter, this event marks a pivotal moment in NASA’s initiatives concerning lunar exploration.

This successful moon landing represents the first delivery under NASA’s Commercial Lunar Payload Services (CLPS) initiative for Firefly Aerospace, and it adds another achievement to the Artemis campaign aimed at returning humans to the Moon. The Blue Ghost lander now rests upright and stable on the lunar surface, ready to begin its suite of scientific operations.

The Blue Ghost craft is carrying ten cutting-edge NASA science and technology instruments designed to perform a variety of functions over approximately one lunar day, which translates to about 14 Earth days. Acting Administrator Janet Petro highlighted the importance of this mission, stating, “This incredible achievement demonstrates how NASA and American companies are leading the way in space exploration for the benefit of all.” The lessons learned from this mission will enhance future safety protocols for scientific exploration on the Moon and beyond.

Following its launch from NASA’s Kennedy Space Center on January 15, the Blue Ghost traveled over 2.8 million miles. During this journey, it downlinked more than 27 gigabytes of data while conducting several critical science operations. One notable achievement included signal tracking from the Global Navigation Satellite System (GNSS) at a record distance of 246,000 miles, validating the potential for similar positioning systems to be used effectively on the Moon.

Nicky Fox, associate administrator for science at NASA Headquarters, emphasized the significance of this mission in laying the groundwork for future human presence on the Moon: “The science and technology we send to the Moon now helps prepare the way for future NASA exploration and long-term human presence to inspire the world for generations to come.”

The instruments aboard the Blue Ghost will perform a variety of tasks during their lunar surface operations, including testing advanced drilling technology, collecting regolith samples, and developing lunar dust mitigation strategies. The insights gained from these experiments will contribute to our understanding of how space weather and cosmic forces interact with Earth.

As operations continue, the team intends to capture stunning imagery of the lunar sunset and investigate the behaviors of lunar dust during dusk conditions—an occurrence previously documented by Apollo 17 astronaut Eugene Cernan. Following the lunar sunset, the lander will remain functional for several hours into the lunar night.

Firefly Aerospace’s CEO, Jason Kim, expressed gratitude to NASA for the partnership and outlined the significance of this mission. “Blue Ghost’s successful Moon landing has laid the groundwork for the future of commercial exploration across cislunar space,” he stated, adding, “We’re now looking forward to more than 14 days of surface operations to unlock even more science data that will have a substantial impact on future missions to the Moon and Mars.”

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In total, five companies have been awarded 11 lunar deliveries under the CLPS initiative, propelling the lunar economy forward with over 50 instruments being sent to various lunar locations, including the lunar South Pole. With a cumulative maximum contract value of $2.6 billion through 2028, the CLPS initiative is set to revolutionize how we explore and utilize the Moon’s resources.

As we celebrate this monumental achievement, it is clear that the collaboration between NASA and companies like Firefly Aerospace is paving the way for a new era of exploration, promising exciting discoveries that will benefit our understanding of the cosmos and our own planet for generations to come.

Learn more about NASA’s CLPS initiative at:

https://www.nasa.gov/clps

The science section of our news blog STM Daily News provides readers with captivating and up-to-date information on the latest scientific discoveries, breakthroughs, and innovations across various fields. We offer engaging and accessible content, ensuring that readers with different levels of scientific knowledge can stay informed. Whether it’s exploring advancements in medicine, astronomy, technology, or environmental sciences, our science section strives to shed light on the intriguing world of scientific exploration and its profound impact on our daily lives. From thought-provoking articles to informative interviews with experts in the field, STM Daily News Science offers a harmonious blend of factual reporting, analysis, and exploration, making it a go-to source for science enthusiasts and curious minds alike. https://stmdailynews.com/category/science/

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