AddAir quality in San Mateo County
Air quality index (AQI⁺) and PM2.5 air pollution in San Mateo County • 15 Followers • 04:00, Jun 10 Local time
9
US AQI⁺Good
Main pollutant:
PM2.5
1.8 µg/m³
15°
2 km/h
82 %
Hourly forecast
San Mateo County air quality index (AQI⁺) forecast
Daily forecast
San Mateo County air quality index (AQI⁺) forecast
| Today | 31 |  | 23° 16° |  8 km/h | 57% |
| Thu | 64 | | 27° 21° | 12 km/h | 39% |
| Fri | 59 | | 25° 13° | 14 km/h | 54% |
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
Moderate
 Tree Low | 25% |
 Grass Moderate | 50% |
 Weed None | 0% |
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
Moderate
Tree Low | 25% |
Grass Moderate | 50% |
Weed None | 0% |
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?
- Bear Gulch Road0
- Star Hill Road station1
- Pescadero Station2
- Top of Kings Mountain2
- 480 Tunitas Creek Road3
- Kings Mountain North #25
- Rocky Creek Road5
- Stanford Weekend Acres6
- Dirt Alpine7
- Alpine Road8
- Menlo Oaks 28
- San Gregorio8
- 265 Old Spanish Trail9
- Cerrito Avenue9
- Durham Road9
- Newton Drive9
- Palomar Park9
- Santa Clara Avenue at Barton Street9
- Ware Road9
- Skyline - Chapman Rd10
- Arlington Way11
- Old Spanish Trail11
- Stockbridge near Alameda11
- 920 Bear Gulch Road12
- Alberta Glen12
- Menlo Oaks12
- Portola Hts - 5 Points12
- Ralston Road12
- Kings Mountain North13
- Los Trancos Road13
- Skyline Boulevard MAC13
- Skyline Resort13
- West Ranch Road13
- Lynton Avenue15
- Talbot Avenue - East Sharp Park24
