What is the air quality like in Great Falls?
Great Falls has an average AQI of 42, which falls in the "Good" category. About 68% of days have Good air quality, 24% are Moderate, and 7% are Unhealthy for Sensitive Groups. The primary pollutant is PM2.5.
What is the main pollutant in Great Falls?
The primary pollutant in Great Falls is PM2.5. The city's average PM2.5 level is 7.2 μg/m³ (below the EPA annual standard of 12 μg/m³). Average ozone levels are 34 ppb. Major pollution sources include vehicles, military base, wind-blown dust.
Is Great Falls affected by wildfire smoke?
Great Falls has a moderate wildfire risk rating. Occasional wildfire smoke events may temporarily degrade air quality.
How many good air quality days does Great Falls have?
Approximately 68% of days in Great Falls have Good air quality (AQI 0-50). This means the majority of the year has clean, breathable air.
What about allergies in Great Falls?
Air quality and pollen counts can both affect respiratory health in Great Falls. On days with higher AQI levels, allergy symptoms may worsen. Using a HEPA air purifier indoors and monitoring both AQI and pollen counts can help manage symptoms.