Air Quality Summary by Date
Select date from calendar below. Numbers present the Air Quality Index and rating for: ozone, a
principal component of smog; particulate matter smaller than 2.5 microns
in diameter (PM2.5); and particulate matter smaller than 10 microns in
diameter (PM10). See The Air Quality Index
for more information on pollutants and the Index. See
Today's Air Quality for current information,
Station Data for hourly levels at individual stations. Data should be considered preliminary
until reviewed and approved.
Daily AQI |
Ozone Data Summary |
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