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  4. San Diego County

San Diego County

California

2026-10-19 22:00
AQI (China)
Excellent
Pollutants|Pollens
PM10
μg/m³
42.1
O3
μg/m³
125.6
PM2.5
μg/m³
7.6
Weather
  • ℃
  • ℉
27℃
57%
9 kph
0 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (China)
  • Pollen
  • PM10
  • O3
  • PM2.5
Places included
Alpine
AQI 47
Borrego Springs
AQI 26
Camp Pendleton South
AQI 50
Campo
AQI 34
Carlsbad
AQI 50
Casa de Oro-Mount Helix
AQI 43
Chula Vista
AQI 43
Coronado
AQI 48
Del Mar
AQI 37
El Cajon
AQI 44
Encinitas
AQI 37
Escondido
AQI 37
Fairbanks Ranch
AQI 37
Fallbrook
AQI 50
Hidden Meadows
AQI 50
Imperial Beach
AQI 43
La Mesa
AQI 43
La Posta Band of Indians
AQI 33
Lake San Marcos
AQI 37
Lemon Grove
AQI 43
National City
AQI 48
Oceanside
AQI 50
Poway
AQI 37
Rainbow
AQI 20
Rancho Santa Fe
AQI 37
San Diego
AQI 48
San Marcos
AQI 37
Santee
AQI 43
Solana Beach
AQI 37
Spring Valley
AQI 43
Valley Center
AQI 37
Vista
AQI 50
Winter Gardens
AQI 43
Data Sources
http://www.airnow.gov/

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Cities Nearby

San Diego
AQI 48
Coronado
AQI 48
National City
AQI 48
Chula Vista
AQI 43
Lemon Grove
AQI 43
La Mesa
AQI 43
Imperial Beach
AQI 43
Spring Valley
AQI 43
Casa de Oro-Mount Helix
AQI 43
El Cajon
AQI 44
Santee
AQI 43