Home > USA > Arizona > Pima County > Catalina
Primary air pollutant in the Catalina area:
OZONE - 54 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:
PM2.5 - 51 Moderate
PM10 - 37 Good
[View the ADEQ Hourly Forecast for Tucson]
High pressure over the region will be bringing hot temperatures this week, along with chances for thunderstorms in the area most afternoons. Outflow winds may kick up a little dust at times, but he in Tucson they don't typically cause too much dust. Overall, we are forecasting ozone to stay in the Moderate AQI category the next few days before dropping into the Good range with increased cloud cover. As for particulates, we are forecasting PM10 and PM2.5 to stay in the Good AQI range through the forecast period.
R. Nicoll
https://azdeq.gov/forecast/tucson
Last Update: Tuesday, July 7, 2026, 9:06 AM
Primary Pollutant: OZONE - 67 Moderate
Secondary Pollutant: PM2.5 - 42 Good
Secondary Pollutant: PM10 - 31 Good
Primary Pollutant: OZONE - 54 Moderate
Secondary Pollutant: PM2.5 - 40 Good
Secondary Pollutant: PM10 - 21 Good
Primary Pollutant: OZONE - 51 Moderate
Secondary Pollutant: PM2.5 - 42 Good
Secondary Pollutant: PM10 - 25 Good
Primary Pollutant: OZONE - 49 Good
Secondary Pollutant: PM2.5 - 48 Good
Secondary Pollutant: PM10 - 28 Good
Primary Pollutant: OZONE - 48 Good
Secondary Pollutant: PM2.5 - 43 Good
Secondary Pollutant: PM10 - 24 Good
Primary Pollutant: OZONE - 51 Moderate
Secondary Pollutant: PM2.5 - 43 Good
Secondary Pollutant: PM10 - 23 Good