Washington Smoke Map

*The map above is not able to display all state air quality monitors. Click here to see all monitors in Washington: WA Ecology Air Monitors

Note: Some users might notice intermittent discrepancies in colors shown on the map of air quality monitors above, and those reported on the Department of Ecology's official page. This is because Ecology believes their method of calculating the air quality category (i.e. “Good”, “Moderate”, Unhealthy” etc) is more protective of public health in Washington. If in doubt as to which better represents public health risk, use the more stringent of the two (i.e. the map showing worse air quality).

Monday, July 17, 2017

More fires and a little more smoke

Numerous fires burning in eastern WA, the largest of which is the Snake River fire near Pomeroy. Air quality in the Lewis- Clark valley has been poor over the last two days and is likely to hover between Moderate and USG over the next few days.

The NOAA HMS Fire and Smoke satellite image shows light smoke from Canadian and Alaskan wildfires over Washington state, but most of it remains aloft. Not expecting strong downward mixing this week so very unlikely that we'll have to inhale much of it. And no, it wont be dense enough to cause spectacular sunsets.

Light north winds are expected across the Columbia Basin today, meaning smoke is likely to drift into the basin. Winds will be driven by daytime heating/ nighttime cooling through Wednesday so not expecting smoke to travel very far from its original sources. Air quality should be mostly Good statewide, except close to fires when periods of Moderate and USG can be expected overnight, with some clearing during the day.

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