AddAir quality in Altadena
Air quality index (AQI⁺) and PM2.5 air pollution in Altadena • 15.4K Followers • 17:00, May 21 Local time
52
US AQI⁺Moderate
Main pollutant:
PM2.5
9.5 µg/m³
26°
10 km/h
37 %
Hourly forecast
Altadena air quality index (AQI⁺) forecast
Daily forecast
Altadena air quality index (AQI⁺) forecast
| Today | 72 |  | 25° 16° |  11 km/h | 53% |
| Fri | 68 | | 26° 15° | 14 km/h | 52% |
| Sat | 82 | | 25° 15° | 16 km/h | 47% |
Air pollutants
What is the current air quality in Altadena?
PM2.5 concentration is currently 1.9 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 Dr23
- Mountain View, ALD-CASITAS27
- Oliveras Avenue, Altadena30
- Pasadena/Altadena33
- Morada Place36
- Mountain View44
- Loyola Village ES (5014)48
- Woodbury Preschool Village50
- 1295 E Lexington St51
- 1365 New York Dr51
- 2014 Pepper Dr51
- North Canyada Avenue51
- North Dominion Avenue51
- 1255 E Lexington St52
- 1738 N Roosevelt Ave52
- 2264 El Molino Ave52
- 2560 El Sol Ave52
- 505 Archwood Pl52
- 505 E Mendocino St52
- 190-144 Jaxine Dr53
- 3199-3161 Glenrose Ave53
- 520 Alta Pine Dr53
- 3115 Rubio Canyon Rd54
- 2036 Pepper Dr56
- Altadena56
- 3244-3278 Rubio Canyon Rd57
- Maiden Ln61
- 2046 Allen Ave64
- Palm & Olive69
- Los Angeles County Fire Dept. Station 1171
