AddAir quality in Altadena
Air quality index (AQI⁺) and PM2.5 air pollution in Altadena • 16.9K Followers • 00:00, Oct 20 Local time
24
US AQI⁺Good
Main pollutant:
PM2.5
4.4 µg/m³
22°
7 km/h
53 %
Hourly forecast
Altadena air quality index (AQI⁺) forecast
Daily forecast
Altadena air quality index (AQI⁺) forecast
| Today | 43 |  | 27° 20° |  16 km/h | 53% |
| Wed | 35 |  | 23° 17° | 14 km/h | 63% |
| Thu | 47 |  | 19° 15° | 11 km/h | 61% |
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.
Where is the cleanest air quality in Altadena?
- Mountain View, ALD-CASITAS0
- Oliveras Avenue, Altadena0
- Pasadena/Altadena2
- Morada Place16
- Altadena17
- Mountain View17
- 3400 Ellington Villa Dr19
- 1251 Meadowbrook Rd21
- 1255 E Lexington St22
- 3599-3525 Canyon Ridge Dr22
- 190-144 Jaxine Dr23
- 1365 New York Dr24
- 1738 N Roosevelt Ave24
- 2014 Pepper Dr24
- 3115 Rubio Canyon Rd24
- Casa de Canyon de Las Flores24
- Maiden Ln24
- North Dominion Avenue24
- Woodbury Preschool Village24
- 2560 El Sol Ave26
- 3244-3278 Rubio Canyon Rd26
- 1295 E Lexington St27
- 505 Archwood Pl27
- 520 Alta Pine Dr28
- Colman28
- North Canyada Avenue28
- Topeka St28
- 2036 Pepper Dr31
- 2264 El Molino Ave32
- Los Angeles County Fire Dept. Station 1158
