What is the air quality like in Washington DC?
Washington DC has an average AQI of 52, which falls in the "Moderate" category. About 55% of days have Good air quality, 35% are Moderate, and 8% are Unhealthy for Sensitive Groups. The primary pollutant is Ozone.
What is the main pollutant in Washington DC?
The primary pollutant in Washington DC is Ozone. The city's average PM2.5 level is 9.2 μg/m³ (below the EPA annual standard of 12 μg/m³). Average ozone levels are 44 ppb. Major pollution sources include vehicles, government facilities, construction.
Is Washington DC affected by wildfire smoke?
Washington DC has a low wildfire risk rating. Wildfire smoke rarely impacts air quality here.
How many good air quality days does Washington DC have?
Approximately 55% of days in Washington DC have Good air quality (AQI 0-50). Residents experience Good air quality about half the time, with other days being Moderate or worse.
What about allergies in Washington DC?
Air quality and pollen counts can both affect respiratory health in Washington DC. 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.