What is the air quality like in Tempe?
Tempe has an average AQI of 66, which falls in the "Moderate" category. About 42% of days have Good air quality, 38% are Moderate, and 16% are Unhealthy for Sensitive Groups. The primary pollutant is PM10.
What is the main pollutant in Tempe?
The primary pollutant in Tempe is PM10. The city's average PM2.5 level is 11.5 μg/m³ (below the EPA annual standard of 12 μg/m³). Average ozone levels are 52 ppb. Major pollution sources include vehicles, asu campus traffic, dust.
Is Tempe affected by wildfire smoke?
Tempe has a low wildfire risk rating. Wildfire smoke rarely impacts air quality here.
How many good air quality days does Tempe have?
Approximately 42% of days in Tempe 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 Tempe'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.