PM2.5 in Tucson, AZ

Real-time Fine Particulate Matter monitoring and health recommendations

Current PM2.5 Levels

Overall AQI

43
µg/m³
AQI 45

About Fine Particulate Matter

Tiny particles less than 2.5 micrometers that can penetrate deep into lungs and bloodstream.

Measured in µg/m³

Health Impact

Good

Air quality is considered satisfactory, and air pollution poses little or no risk.

Sources of PM2.5

• Vehicle exhaust and combustion engines

• Industrial emissions and manufacturing

• Wildfires and wood burning

• Construction and road dust

Full Air Quality Report

View all pollutants and comprehensive air quality data for Tucson.

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