AddAir quality in Altadena
Air quality index (AQI⁺) and PM2.5 air pollution in Altadena • 16.8K Followers • 01:00, Oct 17 Local time
21
US AQI⁺Good
Main pollutant:
PM2.5
3.9 µg/m³
25°
21 km/h
22 %
Hourly forecast
Altadena air quality index (AQI⁺) forecast
Daily forecast
Altadena air quality index (AQI⁺) forecast
| Today | 47 |  | 30° 25° |  16 km/h | 22% |
| Sun | 58 | | 29° 22° | 11 km/h | 22% |
| Mon | 42 | | 27° 20° | 13 km/h | 36% |
Air pollutants
What is the current air quality in Altadena?
PM2.5 concentration currently meets the WHO annual PM2.5 guideline.
Health recommendations
 Enjoy outdoor activities |
 Open your windows to bring clean, fresh air indoors Get a monitor |
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
Low
 Tree None | 0% |
 Grass None | 0% |
 Weed Low | 25% |
Source:
wetter.comHealth recommendations
Enjoy outdoor activities |
Open your windows to bring clean, fresh air indoors Get a monitor |
Pollen
What is the pollen count in Altadena today?
Index
Low
Tree None | 0% |
Grass None | 0% |
Weed Low | 25% |
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.
Learn more about global air quality
Where is the cleanest air quality in Altadena?
- Mountain View0
- Mountain View, ALD-CASITAS0
- Topeka St0
- Altadena6
- Colman17
- 1365 New York Dr21
- 1295 E Lexington St22
- 185 W Altadena Dr22
- 2560 El Sol Ave22
- 505 Archwood Pl22
- Morada Place22
- North Dominion Avenue22
- 1255 E Lexington St23
- 2014 Pepper Dr23
- 3244-3278 Rubio Canyon Rd23
- Woodbury Preschool Village23
- 3599-3525 Canyon Ridge Dr24
- Maiden Ln24
- North Canyada Avenue25
- 1251 Meadowbrook Rd26
- 1738 N Roosevelt Ave26
- 2264 El Molino Ave26
- 2036 Pepper Dr33
- 2046 Allen Ave39
- Los Angeles County Fire Dept. Station 1150
