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  4. San Diego County

San Diego County

California

2026-10-20 20:00
AQI (China)
Excellent
Pollutants|Pollens
PM10
μg/m³
36.1
O3
μg/m³
101.1
PM2.5
μg/m³
11
Weather
  • ℃
  • ℉
25℃
65%
15 kph
0 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (China)
  • Pollen
  • PM10
  • O3
  • PM2.5
Places included
Alpine
AQI 42
Borrego Springs
AQI 24
Camp Pendleton South
AQI 24
Campo
AQI 28
Carlsbad
AQI 24
Casa de Oro-Mount Helix
AQI 45
Chula Vista
AQI 30
Coronado
AQI 38
Del Mar
AQI 38
El Cajon
AQI 45
Encinitas
AQI 38
Escondido
AQI 38
Fairbanks Ranch
AQI 38
Fallbrook
AQI 24
Hidden Meadows
AQI 24
Imperial Beach
AQI 30
La Mesa
AQI 45
La Posta Band of Indians
AQI 34
Lake San Marcos
AQI 38
Lemon Grove
AQI 45
National City
AQI 38
Oceanside
AQI 24
Poway
AQI 38
Rainbow
AQI 29
Rancho Santa Fe
AQI 38
San Diego
AQI 46
San Marcos
AQI 38
Santee
AQI 45
Solana Beach
AQI 38
Spring Valley
AQI 45
Valley Center
AQI 38
Vista
AQI 24
Winter Gardens
AQI 45
Data Sources
http://www.airnow.gov/

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Cities Nearby

San Diego
AQI 46
Coronado
AQI 38
National City
AQI 38
Chula Vista
AQI 30
Lemon Grove
AQI 45
La Mesa
AQI 45
Imperial Beach
AQI 30
Spring Valley
AQI 45
Casa de Oro-Mount Helix
AQI 45
El Cajon
AQI 45
Santee
AQI 45