Air quality in San Mateo County
Air quality index (AQI⁺) and PM2.5 air pollution in San Mateo County • 24 Followers • 01:00, Nov 15 Local time
9
US AQI⁺Good
Main pollutant:
PM2.5
1.6 µg/m³
11°
8 km/h
89 %
Hourly forecast
San Mateo County air quality index (AQI⁺) forecast
Daily forecast
San Mateo County air quality index (AQI⁺) forecast
| Today | 11 | 17° 11° | 24 km/h | 82% | |
| Mon | 17 | 13° 10° | 14 km/h | 76% | |
| Tue | 28 | 14° 10° | 17 km/h | 75% |
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
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
Most polluted locations near San Mateo County
Worldwide AQI⁺ rankingStation ranking
Real-time AQI⁺ station ranking for stations in San Mateo County
City ranking
Real-time USA AQI⁺ city ranking
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
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 San Mateo County?
- Filbert Road1
- Ralston Road1
- Dirt Alpine2
- 480 Tunitas Creek Road6
- 265 Old Spanish Trail7
- Pescadero Station7
- Alpine Road8
- Menlo Oaks8
- Stanford Weekend Acres8
- Newton Drive9
- Alexander Avenue10
- Durham Road10
- Los Trancos Road10
- Menlo Oaks Drive10
- Old Spanish Trail10
- Menlo Oaks 211
- Burlingame Hills12
- Belle Roche Court13
- Skyline Boulevard MAC13
- West Ranch Road13
- Lynton Avenue14
- Palomar Park16
- Skyline - Chapman Rd16
- Talbot Avenue - East Sharp Park17
- Kings Mountain North #219
- Santa Clara Avenue at Barton Street33
- Stockbridge near Alameda40
- Arlington Way45
- Skyline Resort52












