AddAir quality in San Mateo County
Air quality index (AQI⁺) and PM2.5 air pollution in San Mateo County • 24 Followers • 09:00, Nov 13 Local time
6
US AQI⁺Good
Main pollutant:
PM2.5
1 µg/m³
15°
33 km/h
78 %
Hourly forecast
San Mateo County air quality index (AQI⁺) forecast
Daily forecast
San Mateo County air quality index (AQI⁺) forecast
| Today | 12 | | 15° 11° |  37 km/h | 84% |
| Sat | 26 |  | 16° 11° | 10 km/h | 76% |
| Sun | 7 | | 16° 11° | 24 km/h | 80% |
Air pollutants
What is the current air quality in San Mateo County?
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 San Mateo County
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 San Mateo County today?
Index
Low
 Tree Low | 25% |
 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 San Mateo County today?
Index
Low
Tree Low | 25% |
Grass None | 0% |
Weed Low | 25% |
Source:
wetter.comProtect yourself from air pollution in San Mateo County
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 San Mateo County
Worldwide AQI⁺ ranking
Station ranking
Real-time AQI⁺ station ranking for stations in San Mateo County
Historic air quality near San Mateo County
History
Historic air quality graph for San Mateo County
Historic air quality near San Mateo County
History
Historic air quality graph for San Mateo County
Most polluted locations near San Mateo County
Worldwide AQI⁺ rankingStation ranking
Real-time AQI⁺ station ranking for stations in San Mateo County
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 San Mateo County?
- Ralston Road0
- Stockbridge near Alameda0
- 480 Tunitas Creek Road1
- 920 Bear Gulch Road1
- Dirt Alpine1
- Palomar Park1
- Skyline - Chapman Rd1
- West Ranch Road1
- 265 Old Spanish Trail2
- Alpine Road2
- Burlingame Hills2
- Cerrito Avenue2
- Durham Road2
- Menlo Oaks2
- Newton Drive2
- Old Spanish Trail2
- Belle Roche Court3
- Menlo Oaks 23
- Skyline Resort3
- Arlington Way4
- Los Trancos Road4
- Stanford Weekend Acres4
- Skyline Boulevard MAC6
- Menlo Oaks Drive7
- Lynton Avenue8
- Santa Clara Avenue at Barton Street13
- Talbot Avenue - East Sharp Park14
