What wildfire smoke and ozone have in common: NOx

The heat is on in many parts of the northern hemisphere. And, that, in places, means ozone buildup in air. California’s San Joaquin Valley being one such place. With the many wildfires burning in the western U.S., what if any affect could this be having on localized ground-level ozone? Soot from the fires, you should … Read more

New report stresses need to further limit soot, smog, climate pollution in America’s air

Right around this time last year, I put up the “Need to further reduce smog, soot, world-warming pollution in new report emphasized” post. Not good was the air-quality picture in the U.S. then. So, some of what I had conveyed in writing supporting that premise at that time was: “According to Environment America, people in … Read more

Legal opposition to Clean Power Plan temporarily suspended

Information below comes from the Environmental Defense Fund and was released June 26, 2018. (Image below from Tennessee Valley Authority). With serious reservations expressed by three judges, the U.S. Court of Appeals for the District of Columbia Circuit has again issued a limited 60-day abeyance of litigation over the Clean Power Plan. The court also … Read more

75 years of L.A. smog. That’s more than enough, you would think

Imagine a city, any city, having to contend with smog for three-quarters of a century. Seventy-five years; that’s a lifetime! Recognizing Los Angeles’ 75-year battle with smog is what this thread is about. How it happened On July 8, 1943, Los Angeles smog was born. The smog was so thick, in fact, that area visibility … Read more

Effort to reduce methane at University of California, Davis dairy showing promise

The life of a dairy cow seems simple enough. Drink, eat, graze, give milk and produce waste is pretty much what being a dairy farm cow is all about with emphasis on the waste part for purposes of this discussion. Well, there is a considerable amount of research being done right now at University of … Read more

Keyless car operation: Posing a carbon-monoxide-poisoning risk?

Among the more recent features related to automobiles is keyless operation. Such a feature is considered by many to be a convenience. But, with this convenience a problem has surfaced. At issue According to a May 13, 2018 New York Times article, since the year 2006 in the United States, in excess of 24 deaths … Read more

Continued student exposure to diesel particulates troubling

No amount of particulates, whether coarse, fine or ultrafine, in air is safe to breathe. Particulates entering the lungs, depending on extent, can be life-threatening; regardless of concentration, these are health and life impacting if not health- and life-limiting. In understanding this, it is perplexing that school buses powered by diesel engines are still utilized … Read more

Polluted air: Impacting 9-in-10 people and claiming 7 million lives annually, reports WHO

The news is grim: Ninety percent of people globally breathe polluted air. Annually, 7 million people die early from air pollution’s effects. The news is anything but comforting. And, it is what the World Health Organization (WHO) has determined. “9 out of 10 people worldwide breathe polluted air, but more countries are taking action” is … Read more

Report highlighting America’s unhealthy air and more, sobering

This year’s Earth Day message here on the Air Quality Matters blog has the title: “Earth Day 2018: Air, airways, lungs, etc. no places for pollution” and for good reason. The entry opens with this pointed declaration: “It’s a known fact the pollution continually being poured into our atmosphere is detrimental to health and wellbeing … Read more

Earth Day 2018: Air, airways, lungs, etc. no places for pollution

It’s a known fact the pollution continually being poured into our atmosphere is detrimental to health and wellbeing when breathed in. The fact of the matter is, as reported in The Guardian newspaper recently, in the world, greater than 9.5 in 10 people are exposed to unhealthy air, a thorough air-pollution study has found. Put … Read more