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  4. San Diego County

San Diego County

California

2026-10-18 13:00
AQI (China)
Excellent
Pollutants|Pollens
PM10
μg/m³
25.6
O3
μg/m³
57.9
PM2.5
μg/m³
5
Weather
  • ℃
  • ℉
19℃
45%
6 kph
0 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (China)
  • Pollen
  • PM10
  • O3
  • PM2.5
Places included
Alpine
AQI 28
Borrego Springs
AQI 31
Camp Pendleton South
AQI 34
Campo
AQI 29
Carlsbad
AQI 34
Casa de Oro-Mount Helix
AQI 24
Chula Vista
AQI 24
Coronado
AQI 26
Del Mar
AQI 21
El Cajon
AQI 24
Encinitas
AQI 21
Escondido
AQI 21
Fairbanks Ranch
AQI 21
Fallbrook
AQI 34
Hidden Meadows
AQI 34
Imperial Beach
AQI 24
La Mesa
AQI 24
La Posta Band of Indians
AQI 28
Lake San Marcos
AQI 21
Lemon Grove
AQI 24
National City
AQI 26
Oceanside
AQI 34
Poway
AQI 21
Rainbow
AQI 26
Rancho Santa Fe
AQI 21
San Diego
AQI 38
San Marcos
AQI 21
Santee
AQI 24
Solana Beach
AQI 21
Spring Valley
AQI 24
Valley Center
AQI 21
Vista
AQI 34
Winter Gardens
AQI 24
Data Sources
http://www.airnow.gov/

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Cities Nearby

San Diego
AQI 38
Coronado
AQI 26
National City
AQI 26
Chula Vista
AQI 24
Lemon Grove
AQI 24
La Mesa
AQI 24
Imperial Beach
AQI 24
Spring Valley
AQI 24
Casa de Oro-Mount Helix
AQI 24
El Cajon
AQI 24
Santee
AQI 24