AddAir quality in Altadena
Air quality index (AQI⁺) and PM2.5 air pollution in Altadena • 16.9K Followers • 20:00, Nov 04 Local time
24
US AQI⁺Good
Main pollutant:
PM2.5
4.3 µg/m³
17°
4 km/h
81 %
Hourly forecast
Altadena air quality index (AQI⁺) forecast
Daily forecast
Altadena air quality index (AQI⁺) forecast
| Today | 22 |  | 24° 16° |  11 km/h | 25% |
| Thu | 24 |  | 26° 17° | 12 km/h | 18% |
| Fri | 29 | | 27° 18° | 10 km/h | 15% |
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
High
 Tree Low | 25% |
 Grass None | 0% |
 Weed High | 75% |
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
High
Tree Low | 25% |
Grass None | 0% |
Weed High | 75% |
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?
- Pasadena/Altadena0
- Altadena11
- Casa de Canyon de Las Flores11
- Mountain View11
- Morada Place14
- 3400 Ellington Villa Dr16
- Colman17
- Topeka St17
- North Dominion Avenue20
- 1251 Meadowbrook Rd21
- 1295 E Lexington St22
- 3599-3525 Canyon Ridge Dr22
- 1365 New York Dr23
- 1738 N Roosevelt Ave23
- 190-144 Jaxine Dr23
- 2264 El Molino Ave23
- 2560 El Sol Ave23
- Maiden Ln23
- North Canyada Avenue23
- 1255 E Lexington St24
- 2014 Pepper Dr24
- 3115 Rubio Canyon Rd24
- Woodbury Preschool Village24
- 3244-3278 Rubio Canyon Rd28
- 2036 Pepper Dr29
- Los Angeles County Fire Dept. Station 1133
