AddAir quality in Altadena
Air quality index (AQI⁺) and PM2.5 air pollution in Altadena • 15.4K Followers • 16:00, May 21 Local time
56
US AQI⁺Moderate
Main pollutant:
PM2.5
11.7 µg/m³
27°
12 km/h
35 %
Hourly forecast
Altadena air quality index (AQI⁺) forecast
Daily forecast
Altadena air quality index (AQI⁺) forecast
| Today | 68 | | 27° 19° |  13 km/h | 48% |
| Thu | 74 | | 25° 16° | 11 km/h | 53% |
| Fri | 68 | | 26° 15° | 14 km/h | 52% |
Air pollutants
What is the current air quality in Altadena?
PM2.5 concentration is currently 2.3 times the World Health Organization annual PM2.5 guideline value.
Health recommendations
 Sensitive groups should reduce outdoor exercise |
 Close your windows to avoid dirty outdoor air Get a monitor |
 Sensitive groups should wear a mask outdoors Get a mask |
 Sensitive groups should run an air purifier Get an air purifier |
Protect yourself from air pollution in Altadena
Monitor the air you breathe
Get accurate AirVisual air quality readings and real-time insights for cleaner air. Monitors that reveal pollution sources, highlight when air purifier use is needed.
Medical grade air purifiers
Trusted worldwide, the HealthPro Series uses HyperHEPA technology. Filters ultrafine particles other air purifiers miss, delivering medical-grade protection.
Powerful, stylish air purifiers
Compact and powerful, the Atem Series combines Swiss engineering with high-performance air purification, filtering ultrafine particles with HyperHEPA technology.
Pollen
What is the pollen count in Altadena today?
Index
Moderate
 Tree Low | 25% |
 Grass Moderate | 50% |
 Weed Moderate | 50% |
Source:
wetter.comHealth recommendations
Sensitive groups should reduce outdoor exercise |
Close your windows to avoid dirty outdoor air Get a monitor |
Sensitive groups should wear a mask outdoors Get a mask |
Sensitive groups should run an air purifier Get an air purifier |
Pollen
What is the pollen count in Altadena today?
Index
Moderate
Tree Low | 25% |
Grass Moderate | 50% |
Weed Moderate | 50% |
Source:
wetter.comProtect yourself from air pollution in Altadena
Monitor the air you breathe
Get accurate AirVisual air quality readings and real-time insights for cleaner air. Monitors that reveal pollution sources, highlight when air purifier use is needed.
Medical grade air purifiers
Trusted worldwide, the HealthPro Series uses HyperHEPA technology. Filters ultrafine particles other air purifiers miss, delivering medical-grade protection.
Powerful, stylish air purifiers
Compact and powerful, the Atem Series combines Swiss engineering with high-performance air purification, filtering ultrafine particles with HyperHEPA technology.
Most polluted locations near Altadena
Worldwide AQI⁺ ranking
Station ranking
Real-time AQI⁺ station ranking for stations in Altadena
City ranking
Real-time USA AQI⁺ city ranking
Historic air quality near Altadena
History
Historic air quality graph for Altadena
Historic air quality near Altadena
History
Historic air quality graph for Altadena
Most polluted locations near Altadena
Worldwide AQI⁺ rankingStation ranking
Real-time AQI⁺ station ranking for stations in Altadena
City ranking
Real-time USA AQI⁺ city ranking
Measure your own air quality
Get a monitor and contribute air quality data in your city.
Where is the cleanest air quality in Altadena?
- 3400 Ellington Villa Dr28
- Mountain View, ALD-CASITAS38
- Oliveras Avenue, Altadena43
- Morada Place46
- Pasadena/Altadena46
- Loyola Village ES (5014)49
- North Dominion Avenue53
- 1295 E Lexington St54
- 1365 New York Dr54
- North Canyada Avenue54
- 1738 N Roosevelt Ave55
- 2014 Pepper Dr55
- 505 Archwood Pl55
- Woodbury Preschool Village55
- 2264 El Molino Ave56
- 2560 El Sol Ave56
- 3199-3161 Glenrose Ave56
- 505 E Mendocino St56
- 520 Alta Pine Dr56
- 1255 E Lexington St57
- 3115 Rubio Canyon Rd57
- 190-144 Jaxine Dr58
- 2036 Pepper Dr60
- Mountain View60
- 3244-3278 Rubio Canyon Rd61
- Maiden Ln61
- Altadena64
- 2046 Allen Ave66
- Los Angeles County Fire Dept. Station 1168
- Palm & Olive69
