1. North America
  2. United States
  3. California
  4. San Diego County
  5. Lake San Marcos

Lake San Marcos

San Diego County, California

2026-01-19 21:00
AQI (US)
Good
Pollutants
PM2.5
μg/m³
4.8
PM10
μg/m³
19
Weather
  • ℃
  • ℉
23℃
36%
10 kph
1 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (US)
  • PM2.5
  • PM10
Data Sources
http://www.airnow.gov/

Get the App

Scan QR Code
Air Matters
Realtime broadcasting air quality information on your phone for more than 180 countries.

iPhone, iPad

Android

Cities Nearby

Lake San Marcos
AQI 27
San Marcos
AQI 27
Vista
AQI 20
Escondido
AQI 27
Rancho Santa Fe
AQI 27
Encinitas
AQI 27
Carlsbad
AQI 20
Hidden Meadows
AQI 17
Fairbanks Ranch
AQI 27
Solana Beach
AQI 27
Oceanside
AQI 20