The AIRNOW PM loop through 18:00 UTC shows that there was elevated PM in the US Southeast (moderate levels) through the morning hours and then cleared out in the afternoon. The MODIS AQUA image shows a broad band of haze…

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Dust in the US Southeast and offshore; Elevated PM in the Southwest

Today, Air Now reported an improvement in air quality in the Mid Atlantic compared to that mentioned yesterday by Jaime. Although, moderate levels are still present, no significant unhealthy levels were reached in terms of PM2.5 (top left) and Ozone…

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Improvement in air quality in Mid Atlantic; Some new fires in the US

In the AIRNow animated loop a yellow strip corresponding to moderate levels of PM2.5 were observed today, from Texas to New Jersey. Ozone levels were mostly good throughout the US except for California which presented unhealthy levels of ozone and…

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Moderate levels of PM2.5 from Texas to New Jersey; Unhealthy ozone levels in California

Sunday started with moderate levels of PM2.5 (top, left) in most of the East Coast states, from Georgia to Nova Scotia in Canada and also in Colorado, Los Angeles CA and Alberta, Canada. As the day progresses, PM2.5 levels in…

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Moderate levels of PM2.5 dominates the eastern half of US; Smoke from Canadian fires still causing elevated AOD

Today, there is not much new to say about PM2.5 and Ozono products. The levels read today are pretty similar to those reported yesterday; good and moderate levels in the Great Lakes and Mid-Atlantic regions. Nevertheless, some unhealthy levels for…

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Fires, smoke, and aerosols activity in the US and Canada