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  4. San Diego County

San Diego County

California

2026-10-21 15:00
AQI (China)
Excellent
Pollutants|Pollens
PM10
μg/m³
30.3
PM2.5
μg/m³
9.7
O3
μg/m³
41.6
Weather
  • ℃
  • ℉
22℃
72%
9 kph
0 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (China)
  • Pollen
  • PM10
  • PM2.5
  • O3
Places included
Alpine
AQI 24
Borrego Springs
AQI 29
Camp Pendleton South
AQI 22
Campo
AQI 28
Carlsbad
AQI 21
Casa de Oro-Mount Helix
AQI 26
Chula Vista
AQI 54
Coronado
AQI 47
Del Mar
AQI 23
El Cajon
AQI 26
Encinitas
AQI 23
Escondido
AQI 23
Fairbanks Ranch
AQI 23
Fallbrook
AQI 39
Hidden Meadows
AQI 23
Imperial Beach
AQI 54
La Mesa
AQI 26
La Posta Band of Indians
AQI 23
Lake San Marcos
AQI 23
Lemon Grove
AQI 26
National City
AQI 47
Oceanside
AQI 21
Poway
AQI 23
Rainbow
AQI 39
Rancho Santa Fe
AQI 23
San Diego
AQI 61
San Marcos
AQI 23
Santee
AQI 26
Solana Beach
AQI 23
Spring Valley
AQI 26
Valley Center
AQI 23
Vista
AQI 23
Winter Gardens
AQI 26
Data Sources
http://www.airnow.gov/

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Cities Nearby

San Diego
AQI 61
Coronado
AQI 47
National City
AQI 47
Chula Vista
AQI 54
Lemon Grove
AQI 26
La Mesa
AQI 26
Imperial Beach
AQI 54
Spring Valley
AQI 26
Casa de Oro-Mount Helix
AQI 26
El Cajon
AQI 26
Santee
AQI 26