What is the air quality like in Denver?
Denver 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 Ozone.
What is the main pollutant in Denver?
The primary pollutant in Denver is Ozone. The city's average PM2.5 level is 9.5 μg/m³ (below the EPA annual standard of 12 μg/m³). Average ozone levels are 52 ppb. Major pollution sources include vehicles, oil/gas operations, wildfires.
Is Denver affected by wildfire smoke?
Denver has a moderate wildfire risk rating. Occasional wildfire smoke events may temporarily degrade air quality.
How many good air quality days does Denver have?
Approximately 50% of days in Denver 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 Denver's state (CO)?
Pollen seasons in CO include: Weed Pollen (July–October, High severity); Mold Spores (June–September, Low severity); Tree Pollen (March–June, Moderate 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.