What is the air quality like in San Antonio?
San Antonio has an average AQI of 52, which falls in the "Moderate" category. About 56% 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 San Antonio?
The primary pollutant in San Antonio 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 44 ppb. Major pollution sources include vehicles, military bases, cement plants.
Is San Antonio affected by wildfire smoke?
San Antonio has a low wildfire risk rating. Wildfire smoke rarely impacts air quality here.
How many good air quality days does San Antonio have?
Approximately 56% of days in San Antonio 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 San Antonio's state (TX)?
Pollen seasons in TX include: Weed Pollen (August–November, High severity); Tree Pollen (January–April, Very High severity); Grass Pollen (March–September, High severity); Mold Spores (Year-round–Year-round, 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.