Category Archives: USA & Canada

Changes in EPA Air Quality Standard will reduce “good” air days

Recent changes in one of the U.S. Environmental Protection Agency’s National Ambient Air Quality Standards will most likely reduce the number of days that the air in Pima County is categorized as “good” on the Air Quality Index. The changes … Continue reading

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Worst air pollution in the world: Beijing, Delhi, Ahwaz, and Ulaanbaatar

I wake up and suck a bowl of charred asbestos through a dirty bong. Well, that’s what it feels like most winter mornings when I open the door of the fourth-floor New Delhi apartment that I currently call home. Fog-drenched … Continue reading

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Air pollution advisory issued for southern Minnesota

The Minnesota Pollution Control Agency is watching a stagnant weather pattern over southern Minnesota that is increasing air pollution. The MPCA has issued an air advisory through midday Saturday for the southern two-thirds of Minnesota because of increased levels of … Continue reading

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UC Davis study says it found source of air pollutants

Researchers at University of California Davis have established, for the first time, a link between toxic substances that pollute the air and what causes them. The research, announced Monday by the California Air Resources Board and the Electric Power Research … Continue reading

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Links between ozone levels and cardiac arrest analyzed

Researchers at Rice University in Houston have found a direct correlation between out-of-hospital cardiac arrests and levels of air pollution and ozone. Their work has prompted more CPR training in at-risk communities. At the same AAAS symposium, Rice environmental engineer … Continue reading

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Air Pollution Tracked By Planes Means Better Satellite Air-Quality Monitoring

Anyone who’s ever driven down Interstate 5 in central California’s Kern County knows about the smell. The one that penetrates cars despite closed vents and windows. Wafting from an adjacent cattle ranch, the largest on the West Coast, the well-known … Continue reading

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NASA Measures Air Pollution Above Bay Area to Determine Effect on Humans

NASA plans to measure hydrocarbons and nitrous oxide by flying as low as 1,000 feet and as high as 26,000 feet NASA will measure air pollution levels at different heights above the Bay Area in an effort to detect whether … Continue reading

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U.S. deep freeze continues; dangerous air pollution episode in Utah

The most dangerous weather in the U.S. this week is occurring in the valleys of northern Utah, where clear skies, light winds, and a strong temperature inversion have combined to create a dangerous 6-day long air pollution episode. (A temperature … Continue reading

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