AddAir quality in San Mateo County
Air quality index (AQI⁺) and PM2.5 air pollution in San Mateo County • 15 Followers • 03:00, Jun 17 Local time
13
US AQI⁺Good
Main pollutant:
PM2.5
2.3 µg/m³
11°
9 km/h
98 %
Hourly forecast
San Mateo County air quality index (AQI⁺) forecast
Daily forecast
San Mateo County air quality index (AQI⁺) forecast
| Today | 20 |  | 17° 11° |  21 km/h | 92% |
| Thu | 18 |  90% | 16° 11° | 25 km/h | 98% |
| Fri | 34 | | 20° 13° | 19 km/h | 65% |
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 None | 0% |
 Grass Low | 25% |
 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
Low
Tree None | 0% |
Grass Low | 25% |
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
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.
Learn more about global air quality
Where is the cleanest air quality in San Mateo County?
- Bear Gulch Road1
- Rocky Creek Road4
- Skyline Boulevard MAC4
- Skyline - Chapman Rd5
- Newton Drive8
- Ralston Road9
- Santa Clara Avenue at Barton Street9
- Star Hill Road station10
- 480 Tunitas Creek Road11
- Stanford Weekend Acres11
- Stockbridge near Alameda11
- Cerrito Avenue12
- Kings Mountain North12
- Menlo Oaks12
- Palomar Park12
- 920 Bear Gulch Road13
- Alpine Road13
- Durham Road13
- Lynton Avenue13
- Menlo Oaks 213
- Skyline Resort14
- Arlington Way17
- San Gregorio17
- Talbot Avenue - East Sharp Park17
- West Ranch Road17
- Alberta Glen18
- Dirt Alpine18
- Portola Hts - 5 Points18
- 265 Old Spanish Trail22
- Old Spanish Trail22
- Los Trancos Road24
