AddAir quality in San Mateo
Air quality index (AQI⁺) and PM2.5 air pollution in San Mateo • 53.5K Followers • 20:00, Oct 18 Local time
20
US AQI⁺Good
Main pollutant:
PM2.5
3.6 µg/m³
14°
17 km/h
81 %
Hourly forecast
San Mateo air quality index (AQI⁺) forecast
Daily forecast
San Mateo air quality index (AQI⁺) forecast
| Today | 23 |  | 17° 12° |  18 km/h | 77% |
| Mon | 36 | | 19° 12° | 13 km/h | 67% |
| Tue | 28 |  | 18° 15° | 11 km/h | 78% |
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 None | 0% |
 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 None | 0% |
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.
Where is the cleanest air quality in San Mateo?
- Park Lane4
- San Mateo Park7
- East Poplar Avenue8
- CuriOdyssey at Coyote Point10
- 31st Ave12
- Baywood - Aragon12
- Central San Mateo12
- Occidental Avenue13
- BV.SM Upper14
- Durand Drive14
- 13th Avenue15
- Belford Way15
- Iowa Drive15
- North Central-Ellsworth Court15
- Idaho St. San Mateo16
- Sugarloaf17
- Arroyo Ct19
- 10th Ave and Palm20
- Pinewood Court20
- 113 West 40th Avenue21
- Leafwood Court21
- North Central-3rd Ave and S Grant St21
- North Claremont St21
- North Quebec Street21
- Sylvan Avenue21
- Beresford Park22
- Hayward Park on El Camino22
- Lola22
- Mid Hillsdale Blvd22
- Monterey Trailhead23
- Stratford Way23
- Meowchi Heaven - Park Place - San Mateo26
- Noe Avenue26
- West Capistrano Way26
- 213-201 Irving St27
- 37th Avenue28
- 238 41st Avenue29
- Queens Lane / Lakewood Circle29
- Saint Matthew's Avenue39
