AddAir quality in San Mateo
Air quality index (AQI⁺) and PM2.5 air pollution in San Mateo • 53.7K Followers • 22:00, Nov 02 Local time
18
US AQI⁺Good
Main pollutant:
PM2.5
3.3 µg/m³
15°
7 km/h
83 %
Hourly forecast
San Mateo air quality index (AQI⁺) forecast
Daily forecast
San Mateo air quality index (AQI⁺) forecast
| Today | 19 |  | 17° 12° |  20 km/h | 82% |
| Tue | 24 |  | 18° 12° | 20 km/h | 74% |
| Wed | 32 | | 20° 14° | 14 km/h | 67% |
Air pollutants
What is the current air quality in San Mateo?
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
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.
Clean Air Facilities
Pollen
What is the pollen count in San Mateo 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 today?
Index
Low
Tree Low | 25% |
Grass None | 0% |
Weed Low | 25% |
Source:
wetter.comProtect yourself from air pollution in San Mateo
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
Worldwide AQI⁺ ranking
Station ranking
Real-time AQI⁺ station ranking for stations in San Mateo
Historic air quality near San Mateo
History
Historic air quality graph for San Mateo
Historic air quality near San Mateo
History
Historic air quality graph for San Mateo
Clean Air Facilities
Most polluted locations near San Mateo
Worldwide AQI⁺ rankingStation ranking
Real-time AQI⁺ station ranking for stations in San Mateo
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?
- East Poplar Avenue1
- San Mateo Park1
- Belford Way2
- Iowa Drive2
- Occidental Avenue2
- Baywood - Aragon3
- Mid Hillsdale Blvd3
- North Central-Ellsworth Court3
- Central San Mateo4
- West Capistrano Way4
- 13th Avenue6
- CuriOdyssey at Coyote Point6
- Noe Avenue6
- Arroyo Ct7
- BV.SM Upper7
- Durand Drive7
- Leafwood Court7
- Pinewood Court7
- Idaho St. San Mateo8
- Monterey Trailhead9
- 213-201 Irving St10
- Beresford Park10
- Hayward Park on El Camino10
- Sugarloaf11
- Stratford Way12
- Sylvan Avenue12
- 113 West 40th Avenue13
- North Claremont St13
- North Quebec Street13
- Saint Matthew's Avenue13
- 37th Avenue14
- Lola14
- North Central-3rd Ave and S Grant St14
- 238 41st Avenue15
- Meowchi Heaven - Park Place - San Mateo18
- Queens Lane / Lakewood Circle21
