What is the air quality like in Naperville?
Naperville has an average AQI of 50, which falls in the "Good" category. About 58% of days have Good air quality, 34% are Moderate, and 7% are Unhealthy for Sensitive Groups. The primary pollutant is Ozone.
What is the main pollutant in Naperville?
The primary pollutant in Naperville is Ozone. The city's average PM2.5 level is 8.5 μg/m³ (below the EPA annual standard of 12 μg/m³). Average ozone levels are 40 ppb. Major pollution sources include vehicles, suburban sprawl.
Is Naperville affected by wildfire smoke?
Naperville has a low wildfire risk rating. Wildfire smoke rarely impacts air quality here.
How many good air quality days does Naperville have?
Approximately 58% of days in Naperville 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 Naperville's state (IL)?
Pollen seasons in IL include: Weed Pollen (August–October, Very High severity); Mold Spores (June–October, Moderate severity); Tree Pollen (March–May, High severity); Grass Pollen (May–July, Moderate 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.