What is the air quality like in Tucson?
Tucson has an average AQI of 58, which falls in the "Moderate" category. About 50% of days have Good air quality, 36% are Moderate, and 12% are Unhealthy for Sensitive Groups. The primary pollutant is PM10.
What is the main pollutant in Tucson?
The primary pollutant in Tucson is PM10. The city's average PM2.5 level is 9.8 μg/m³ (below the EPA annual standard of 12 μg/m³). Average ozone levels are 50 ppb. Major pollution sources include dust, vehicles, mining.
Is Tucson affected by wildfire smoke?
Tucson has a moderate wildfire risk rating. Occasional wildfire smoke events may temporarily degrade air quality.
How many good air quality days does Tucson have?
Approximately 50% of days in Tucson have Good air quality (AQI 0-50). Residents experience Good air quality about half the time, with other days being Moderate or worse.
When is pollen season in Tucson's state (AZ)?
Pollen seasons in AZ include: Tree Pollen (February–April, Moderate severity); Mold Spores (July–September, Moderate severity); Grass Pollen (March–October, Moderate severity); Weed Pollen (March–November, High severity). Allergy sufferers should monitor pollen counts during these periods and consider staying indoors on high-pollen days, especially during morning hours when counts peak.