Home > USA > Arizona > Pima County > Catalina
Primary air pollutant in the Catalina area:
PM2.5 - 55 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 - 30 Good
PM10 - 19 Good
[View the ADEQ Hourly Forecast for Tucson]
All pollutants stayed in the Good AQI range yesterday, and we even saw a little rain in the area yesterday. Looking ahead, no major changes in the air quality forecast. We are forecasting all pollutants to remain in the Good AQI range today. For Friday through Sunday, we are forecasting PM2.5 to increase into the low Moderate range due to a potential increase in wood burning. As for ozone and PM10, they are forecast to stay in the Good AQI range.
R. Nicoll
https://azdeq.gov/forecast/tucson
Last Update: Thursday, December 4, 2025, 7:34 AM
Primary Pollutant: PM2.5 - 48 Good
Secondary Pollutant: OZONE - 42 Good
Secondary Pollutant: PM10 - 26 Good
Primary Pollutant: PM2.5 - 52 Moderate
Secondary Pollutant: OZONE - 41 Good
Secondary Pollutant: PM10 - 29 Good
Primary Pollutant: PM2.5 - 52 Moderate
Secondary Pollutant: OZONE - 40 Good
Secondary Pollutant: PM10 - 29 Good
Primary Pollutant: PM2.5 - 51 Moderate
Secondary Pollutant: OZONE - 41 Good
Secondary Pollutant: PM10 - 28 Good
Primary Pollutant: PM2.5 - 43 Good
Secondary Pollutant: OZONE - 41 Good
Secondary Pollutant: PM10 - 30 Good