AddAir quality in Foster City
Air quality index (AQI⁺) and PM2.5 air pollution in Foster City • 36.6K Followers • 12:00, May 19 Local time
28
US AQI⁺Good
Main pollutant:
PM2.5
5.1 µg/m³
18°
7 km/h
67 %
Hourly forecast
Foster City air quality index (AQI⁺) forecast
Daily forecast
Foster City air quality index (AQI⁺) forecast
| Today | 30 | | 21° 14° |  23 km/h | 67% |
| Wed | 37 | | 19° 12° | 22 km/h | 87% |
| Thu | 55 | | 18° 11° | 30 km/h | 87% |
Air pollutants
What is the current air quality in Foster City?
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 Foster City
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 Foster City today?
Index
Moderate
 Tree Low | 25% |
 Grass Moderate | 50% |
 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 Foster City today?
Index
Moderate
Tree Low | 25% |
Grass Moderate | 50% |
Weed Low | 25% |
Source:
wetter.comProtect yourself from air pollution in Foster City
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 Foster City
Worldwide AQI⁺ ranking
Station ranking
Real-time AQI⁺ station ranking for stations in Foster City
City ranking
Real-time USA AQI⁺ city ranking
Historic air quality near Foster City
History
Historic air quality graph for Foster City
Historic air quality near Foster City
History
Historic air quality graph for Foster City
Most polluted locations near Foster City
Worldwide AQI⁺ rankingStation ranking
Real-time AQI⁺ station ranking for stations in Foster City
City ranking
Real-time USA AQI⁺ city ranking
Measure your own air quality
Get a monitor and contribute air quality data in your city.
