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  4. San Diego County

San Diego County

California

2026-01-21 13:00
AQI (US)
Moderate
Pollutants|Pollens
PM2.5
μg/m³
12.9
O3
μg/m³
44.3
PM10
μg/m³
19.5
Weather
  • ℃
  • ℉
12℃
95%
7 kph
0 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (US)
  • Pollen
  • PM2.5
  • O3
  • PM10
Places included
Alpine
AQI 38
Borrego Springs
AQI 52
Camp Pendleton South
AQI 51
Campo
AQI 58
Carlsbad
AQI 51
Casa de Oro-Mount Helix
AQI 67
Chula Vista
AQI 69
Coronado
AQI 78
Del Mar
AQI 54
El Cajon
AQI 67
Encinitas
AQI 54
Escondido
AQI 54
Fairbanks Ranch
AQI 54
Fallbrook
AQI 13
Hidden Meadows
AQI 13
Imperial Beach
AQI 95
La Mesa
AQI 67
Lake San Marcos
AQI 54
Lemon Grove
AQI 67
National City
AQI 78
Oceanside
AQI 51
Poway
AQI 54
Rainbow
AQI 6
Rancho Santa Fe
AQI 54
San Diego
AQI 81
San Marcos
AQI 54
Santee
AQI 67
Solana Beach
AQI 54
Spring Valley
AQI 67
Valley Center
AQI 14
Vista
AQI 51
Winter Gardens
AQI 67
Data Sources
http://www.airnow.gov/

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Cities Nearby

San Diego
AQI 81
Coronado
AQI 78
National City
AQI 78
Chula Vista
AQI 69
Lemon Grove
AQI 67
La Mesa
AQI 67
Imperial Beach
AQI 95
Spring Valley
AQI 67
Casa de Oro-Mount Helix
AQI 67
El Cajon
AQI 67
Santee
AQI 67