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Air quality in San Mateo
Air quality index (AQI) and PM2.5 air pollution in San Mateo
16.7K people follow this city
San Mateo Air Quality Map
Real-time San Mateo air pollution map
AIR QUALITY DATA CONTRIBUTORS
68 Contributors
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Pollen
What is the pollen count in San Mateo today?
 | Index | Low | |
 | Tree pollen | Low | |
 | Grass pollen | None | |
 | Weed pollen | None |
Source: tomorrow.io
Weather
What is the current weather in San Mateo?
| Weather | Few clouds |
| Temperature | 64.4°F |
| Humidity | 65% |
| Wind | 24.2 mp/h |
| Pressure | 30.1 Hg |
live aqi city ranking
Real-time USA city ranking
| # | city | US AQI |
|---|---|---|
| 1 | Corpus Christi, Texas | 66 |
| 2 | The Woodlands, Texas | 61 |
| 3 | Carlisle, Pennsylvania | 55 |
| 4 | Allentown, Pennsylvania | 54 |
| 5 | Buffalo, New York | 54 |
| 6 | Columbia, South Carolina | 54 |
| 7 | Galveston, Texas | 54 |
| 8 | Nampa, Idaho | 54 |
| 9 | Canton, Ohio | 53 |
| 10 | Bridgeport, Connecticut | 52 |
(local time)
SEE WORLD AQI RANKING
3D animated air pollution map
live San Mateo aqi ranking
Real-time San Mateo air quality ranking
| # | station | US AQI |
|---|---|---|
| 1 | Church Avenue | 18 |
| 2 | 13th Avenue | 17 |
| 3 | 7th Avenue | 17 |
| 4 | Marshall Avenue | 16 |
| 5 | Meowchi Heaven - Park Place - San Mateo | 16 |
| 6 | Mid East Santa Inez Avenue | 16 |
| 7 | Station Park Cir. San Mateo CA | 16 |
| 8 | Sunset Terrace | 16 |
| 9 | 100 Canada Vista | 15 |
| 10 | 238 41st Avenue | 15 |
(local time)
SEE WORLD AQI RANKING
US AQI
13
live AQI index
Good
Overview
What is the current air quality in San Mateo?
| Air pollution level | Air quality index | Main pollutant |
|---|---|---|
| Good | 13 US AQI | PM2.5 |
| Pollutants | Concentration | |
|---|---|---|
| PM2.5 | 3µg/m³ | |
✓
PM2.5 concentration in San Mateo air currently meets the WHO annual air quality guideline value
Health Recommendations
What is the current air quality in San Mateo?
 | Enjoy outdoor activities |
 | Open your windows to bring clean, fresh air indoors GET A MONITOR |
Forecast
San Mateo air quality index (AQI) forecast
| Day | Pollution level | Weather | Temperature | Wind |
|---|---|---|---|---|
| Thursday, Apr 25 | Good 5 AQI US |  | 60.8° 51.8° |  20.1 mp/h |
| Friday, Apr 26 | Good 8 AQI US | | 60.8° 50° | 13.4 mp/h |
| Saturday, Apr 27 | Good 8 AQI US | | 64.4° 50° | 15.7 mp/h |
| Today | Good 13 AQI US | | 64.4° 50° | 15.7 mp/h |
| Monday, Apr 29 | Good 18 AQI US |  | 60.8° 48.2° | 15.7 mp/h |
| Tuesday, Apr 30 | Good 19 AQI US | | 60.8° 46.4° | 11.2 mp/h |
| Wednesday, May 1 | Good 17 AQI US | | 68° 48.2° | 15.7 mp/h |
| Thursday, May 2 | Good 19 AQI US | | 69.8° 51.8° | 8.9 mp/h |
| Friday, May 3 | Good 15 AQI US | | 68° 51.8° | 6.7 mp/h |
| Saturday, May 4 | Good 14 AQI US | 100% | 57.2° 50° | 8.9 mp/h |
| Sunday, May 5 | Good 10 AQI US | 100% | 55.4° 48.2° | 13.4 mp/h |
Interested in hourly forecast? Get the app
News
The latest air quality news and resources.
San Mateo air quality data attribution
68Contributors
- Weledelzeergeleerde Heer
1 station
- -
1 station
- Nicklas Johnson
1 station
3 Individual Contributors
- 65 Anonymous contributors
65 stations
65 Anonymous Contributors
Data validated and calibrated by IQAirWhere is the cleanest air quality in San Mateo?
- San Mateo Police Department 0
- San Mateo Park 6
- 31st Ave 7
- Portola Hts - 5 Points 7
- 7405 Alpine Road 8
- Noe Avenue 8
- South Ranch Road 8
- Central San Mateo 9
- Pescadero Hills 9
- Sugarloaf 9
- West Ranch Road 9
- 10th Ave and Palm 10
- Avila Road 10
- BV.SM Upper 10
- CuriOdyssey at Coyote Point 10
- Highland Avenue 10
- Yale Drive 10
- 113 West 40th Avenue 11
- Baywood - Aragon 11
- Cornell 11
- Live Oak Drive 11
- Monterey Trailhead 11
- North Quebec Street 11
- Play Bowl Drive 11
- Shelden Road 11
- 621 Hillcrest Way 12
- Belford Way 12
- Beresford Park 12
- East Poplar Avenue 12
- Edinburgh Street 12
- Mountain View Place 12
- North Claremont St 12
- Occidental Avenue 12
- Pescadero 12
- Saint Matthew's Avenue 12
- 12th Avenue San Mateo CA 94402 13
- 37th Avenue 13
- 39th Ave 13
- Leafwood Court 13
- Mid Hillsdale Blvd 13
- North Central 13
- Pinewood Court 13
- South Grant Street 13
- Arroyo Ct 14
- Iowa Drive 14
- North Central-3rd Ave and S Grant St 14
- Parkside Area 14
- Queens Lane / Lakewood Circle 14
- Sylvan Avenue 14
- 100 Canada Vista 15
- 238 41st Avenue 15
- Durand Drive 15
- Edison Street 15
- Hayward Park on El Camino 15
- Louise outside 15
- Park Lane 15
- Parrott Drive 15
- Portola Drive 15
- Stratford Way 15
- West Capistrano Way 15
- Marshall Avenue 16
- Meowchi Heaven - Park Place - San Mateo 16
- Mid East Santa Inez Avenue 16
- Station Park Cir. San Mateo CA 16
- Sunset Terrace 16
- 13th Avenue 17
- 7th Avenue 17
- Church Avenue 18
AQI US, Metric