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  4. San Diego County

San Diego County

California

2026-10-20 12:00
AQI (China)
Excellent
Pollutants|Pollens
PM10
μg/m³
28
O3
μg/m³
61.4
PM2.5
μg/m³
9.7
Weather
  • ℃
  • ℉
18℃
93%
7 kph
0 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (China)
  • Pollen
  • PM10
  • O3
  • PM2.5
Places included
Alpine
AQI 32
Borrego Springs
AQI 19
Camp Pendleton South
AQI 31
Campo
AQI 29
Carlsbad
AQI 31
Casa de Oro-Mount Helix
AQI 22
Chula Vista
AQI 32
Coronado
AQI 36
Del Mar
AQI 26
El Cajon
AQI 22
Encinitas
AQI 26
Escondido
AQI 26
Fairbanks Ranch
AQI 26
Fallbrook
AQI 31
Hidden Meadows
AQI 31
Imperial Beach
AQI 32
La Mesa
AQI 22
La Posta Band of Indians
AQI 33
Lake San Marcos
AQI 26
Lemon Grove
AQI 22
National City
AQI 36
Oceanside
AQI 31
Poway
AQI 26
Rainbow
AQI 28
Rancho Santa Fe
AQI 26
San Diego
AQI 48
San Marcos
AQI 26
Santee
AQI 22
Solana Beach
AQI 26
Spring Valley
AQI 22
Valley Center
AQI 26
Vista
AQI 31
Winter Gardens
AQI 22
Data Sources
http://www.airnow.gov/

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Cities Nearby

San Diego
AQI 48
Coronado
AQI 36
National City
AQI 36
Chula Vista
AQI 32
Lemon Grove
AQI 22
La Mesa
AQI 22
Imperial Beach
AQI 32
Spring Valley
AQI 22
Casa de Oro-Mount Helix
AQI 22
El Cajon
AQI 22
Santee
AQI 22