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  4. San Diego County

San Diego County

California

2026-10-19 16:00
AQI (China)
Excellent
Pollutants|Pollens
PM10
μg/m³
34.2
O3
μg/m³
68.8
PM2.5
μg/m³
7.8
Weather
  • ℃
  • ℉
26℃
42%
5 kph
0 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (China)
  • Pollen
  • PM10
  • O3
  • PM2.5
Places included
Alpine
AQI 33
Borrego Springs
AQI 30
Camp Pendleton South
AQI 34
Campo
AQI 33
Carlsbad
AQI 34
Casa de Oro-Mount Helix
AQI 35
Chula Vista
AQI 43
Coronado
AQI 47
Del Mar
AQI 28
El Cajon
AQI 35
Encinitas
AQI 28
Escondido
AQI 28
Fairbanks Ranch
AQI 28
Fallbrook
AQI 34
Hidden Meadows
AQI 34
Imperial Beach
AQI 52
La Mesa
AQI 35
La Posta Band of Indians
AQI 30
Lake San Marcos
AQI 28
Lemon Grove
AQI 35
National City
AQI 47
Oceanside
AQI 34
Poway
AQI 28
Rainbow
AQI 15
Rancho Santa Fe
AQI 28
San Diego
AQI 73
San Marcos
AQI 28
Santee
AQI 35
Solana Beach
AQI 28
Spring Valley
AQI 35
Valley Center
AQI 28
Vista
AQI 34
Winter Gardens
AQI 35
Data Sources
http://www.airnow.gov/

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Cities Nearby

San Diego
AQI 73
Coronado
AQI 47
National City
AQI 47
Chula Vista
AQI 43
Lemon Grove
AQI 35
La Mesa
AQI 35
Imperial Beach
AQI 52
Spring Valley
AQI 35
Casa de Oro-Mount Helix
AQI 35
El Cajon
AQI 35
Santee
AQI 35