What is the air quality like in Lancaster?
Lancaster has an average AQI of 62, which falls in the "Moderate" category. About 46% of days have Good air quality, 36% are Moderate, and 14% are Unhealthy for Sensitive Groups. The primary pollutant is Ozone.
What is the main pollutant in Lancaster?
The primary pollutant in Lancaster is Ozone. The city's average PM2.5 level is 10.8 μg/m³ (below the EPA annual standard of 12 μg/m³). Average ozone levels are 52 ppb. Major pollution sources include vehicles, dust, wildfires, edwards afb.
Is Lancaster affected by wildfire smoke?
Lancaster has a very high wildfire risk rating. Wildfire smoke frequently degrades air quality, sometimes pushing AQI into unhealthy ranges for extended periods.
How many good air quality days does Lancaster have?
Approximately 46% of days in Lancaster 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 Lancaster's state (CA)?
Pollen seasons in CA include: Grass Pollen (April–July, High severity); Tree Pollen (February–May, High severity); Weed Pollen (July–November, Moderate severity); Mold Spores (Year-round–Year-round, 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.