June 8, 2017

Ozone levels rise across entire country

Air quality today was mostly good, with only some Code Yellow (Moderate) levels of PM 2.5 showing up in small areas of the Plains States, the Rocky Mountain States, and the Pacific Southwest Airnow, top left). However, there were up to Code Purple (Very Unhealthy) levels of PM 2.5 over the California-Nevada border. These elevated levels of PM 2.5 were most likely due to smoke coming from fires in Arizona, as seen in NOAA's HMS map, top right.

There was also a good amount of ozone across the entire country today, with mostly Code Yellow and Code Orange (Unhealthy for Sensitive Groups) levels being seen over almost the entire country (weather.gov, bottom left). These high levels of ozone were most likely due to very high summer temperatures across the US, as seen in NOAA's temperature map, bottom right. Temperatures ranged from 70's to 90's with most highs in the 80's, but sometimes rising up to even the hundreds.

Posted by mglover at June 8, 2017 10:10 PM
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