1. North America
  2. United States
  3. California
  4. Los Angeles County
  5. Altadena

Altadena

Los Angeles County, California

2026-08-20 01:00
AQI (US)
Moderate
Pollutants|Pollens
PM2.5
μg/m³
9.5
PM10
μg/m³
29
Weather
  • ℃
  • ℉
30℃
39%
19 kph
0 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (US)
  • Pollen
  • 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

Altadena
AQI 51
Pasadena
AQI 66
San Pasqual
AQI 51
La Cañada Flintridge
AQI 37
East Pasadena
AQI 51
Sierra Madre
AQI 68
Mount Wilson
AQI 68
San Marino
AQI 51
South Pasadena
AQI 51
Arcadia
AQI 68
La Crescenta-Montrose
AQI 37