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  4. San Diego County

San Diego County

California

2026-10-20 03:00
AQI (US)
Moderate
Pollutants|Pollens
PM2.5
μg/m³
9.1
O3
μg/m³
78
PM10
μg/m³
34
Weather
  • ℃
  • ℉
21℃
88%
0 kph
0 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (US)
  • Pollen
  • PM2.5
  • O3
  • PM10
Places included
Alpine
AQI 43
Borrego Springs
AQI 43
Camp Pendleton South
AQI 55
Campo
AQI 66
Carlsbad
AQI 55
Casa de Oro-Mount Helix
AQI 48
Chula Vista
AQI 50
Coronado
AQI 57
Del Mar
AQI 45
El Cajon
AQI 48
Encinitas
AQI 45
Escondido
AQI 45
Fairbanks Ranch
AQI 45
Fallbrook
AQI 44
Hidden Meadows
AQI 44
Imperial Beach
AQI 54
La Mesa
AQI 48
La Posta Band of Indians
AQI 97
Lake San Marcos
AQI 45
Lemon Grove
AQI 48
National City
AQI 57
Oceanside
AQI 55
Poway
AQI 45
Rainbow
AQI 44
Rancho Santa Fe
AQI 45
San Diego
AQI 52
San Marcos
AQI 45
Santee
AQI 48
Solana Beach
AQI 45
Spring Valley
AQI 48
Valley Center
AQI 44
Vista
AQI 55
Winter Gardens
AQI 48
Data Sources
http://www.airnow.gov/

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Cities Nearby

San Diego
AQI 52
Coronado
AQI 57
National City
AQI 57
Chula Vista
AQI 50
Lemon Grove
AQI 48
La Mesa
AQI 48
Imperial Beach
AQI 54
Spring Valley
AQI 48
Casa de Oro-Mount Helix
AQI 48
El Cajon
AQI 48
Santee
AQI 48