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Primary air pollutant in the Summerhaven area:
PM2.5 - 80 Moderate
If you are unusually sensitive to particle pollution, consider reducing your activity level or shorten the amount of time you are active outdoors.
Other Pollutants:
OZONE - 54 Moderate
PM10 - 14 Good
[View the ADEQ Hourly Forecast for Tucson]
Minor afternoon breeziness can be expected today and Saturday before stronger winds from the southeast develop Sunday. More cloudiness can be expected as well on Sunday. Monday is expected to have lighter winds before breezes increase on Tuesday ahead of an approaching Pacific weather system.
Peak 8 hour average Ozone is expected to be in the low Moderate range most days of the forecast period. Sunday is expected to be the exception and dip into the Good range due to more cloudiness and enhanced ventilation.
Daily average Particulates are expected to remain in the Good range with the highest readings anticipated Sunday due to pockets of blowing dust. If winds turn out to be stronger than forecast, Particulates will also be higher than forecast.
A. Jamison
https://azdeq.gov/forecast/tucson
Last Update: Friday, April 17, 2026, 8:36 AM
Primary Pollutant: OZONE - 54 Moderate
Secondary Pollutant: PM2.5 - 36 Good
Secondary Pollutant: PM10 - 28 Good
Primary Pollutant: PM2.5 - 47 Good
Secondary Pollutant: OZONE - 44 Good
Secondary Pollutant: PM10 - 43 Good
Primary Pollutant: OZONE - 54 Moderate
Secondary Pollutant: PM2.5 - 35 Good
Secondary Pollutant: PM10 - 28 Good
Primary Pollutant: OZONE - 54 Moderate
Secondary Pollutant: PM2.5 - 34 Good
Secondary Pollutant: PM10 - 29 Good