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  4. San Diego County

San Diego County

California

2026-10-16 04:00
AQI (China)
Excellent
Pollutants|Pollens
O3
μg/m³
60
PM10
μg/m³
18.2
PM2.5
μg/m³
5.3
Weather
  • ℃
  • ℉
26℃
31%
13 kph
0 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (China)
  • Pollen
  • O3
  • PM10
  • PM2.5
Places included
Alpine
AQI 33
Borrego Springs
AQI 57
Camp Pendleton South
AQI 23
Campo
AQI 29
Carlsbad
AQI 16
Casa de Oro-Mount Helix
AQI 27
Chula Vista
AQI 19
Coronado
AQI 28
Del Mar
AQI 11
El Cajon
AQI 27
Encinitas
AQI 11
Escondido
AQI 11
Fairbanks Ranch
AQI 11
Fallbrook
AQI 16
Hidden Meadows
AQI 16
Imperial Beach
AQI 21
La Mesa
AQI 27
La Posta Band of Indians
AQI 29
Lake San Marcos
AQI 11
Lemon Grove
AQI 27
National City
AQI 28
Oceanside
AQI 16
Poway
AQI 11
Rainbow
AQI 7
Rancho Santa Fe
AQI 11
San Diego
AQI 37
San Marcos
AQI 11
Santee
AQI 27
Solana Beach
AQI 11
Spring Valley
AQI 27
Valley Center
AQI 11
Vista
AQI 16
Winter Gardens
AQI 27
Data Sources
http://www.airnow.gov/

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Cities Nearby

San Diego
AQI 37
Coronado
AQI 28
National City
AQI 28
Chula Vista
AQI 19
Lemon Grove
AQI 27
La Mesa
AQI 27
Imperial Beach
AQI 21
Spring Valley
AQI 27
Casa de Oro-Mount Helix
AQI 27
El Cajon
AQI 27
Santee
AQI 27