What is the air quality like in Riverside?
Riverside has an average AQI of 88, which falls in the "Moderate" category. About 23% of days have Good air quality, 42% are Moderate, and 24% are Unhealthy for Sensitive Groups. The primary pollutant is Ozone.
What is the main pollutant in Riverside?
The primary pollutant in Riverside is Ozone. The city's average PM2.5 level is 15.8 μg/m³ (above the EPA annual standard of 12 μg/m³). Average ozone levels are 61 ppb. Major pollution sources include vehicles, warehouses, logistics.
Is Riverside affected by wildfire smoke?
Riverside has a high wildfire risk rating. Wildfire smoke regularly impacts air quality, especially during summer and fall fire seasons.
How many good air quality days does Riverside have?
Approximately 23% of days in Riverside have Good air quality (AQI 0-50). This is below the national average, meaning residents frequently experience reduced air quality.
When is pollen season in Riverside'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.