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Air quality in San Mateo
Air quality index (AQI) and PM2.5 air pollution in San Mateo
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San Mateo Air Quality Map
Real-time San Mateo air pollution map
AIR QUALITY DATA CONTRIBUTORS
65 Contributors
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Pollen
What is the pollen count in San Mateo today?
 | Index | Low | |
 | Tree pollen | Low | |
 | Grass pollen | Low | |
 | Weed pollen | None |
Weather
What is the current weather in San Mateo?
| Weather | Mist |
| Temperature | 50°F |
| Humidity | 90% |
| Wind | 6.9 mp/h |
| Pressure | 29.9 Hg |
live aqi city ranking
Real-time USA city ranking
| # | city | US AQI |
|---|---|---|
| 1 | Palm Desert, California | 86 |
| 2 | Porterville, California | 79 |
| 3 | Visalia, California | 78 |
| 4 | Charles Town, West Virginia | 72 |
| 5 | Frederick, Maryland | 72 |
| 6 | Harrisburg, Pennsylvania | 70 |
| 7 | Peaceful Valley, Washington | 70 |
| 8 | Clear Brook, Virginia | 68 |
| 9 | Hagerstown, Maryland | 68 |
| 10 | North Hollywood, California | 68 |
(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 | 24 |
| 2 | North Central-3rd Ave and S Grant St | 21 |
| 3 | 621 Hillcrest Way | 20 |
| 4 | Meowchi Heaven - Park Place - San Mateo | 19 |
| 5 | Mid East Santa Inez Avenue | 19 |
| 6 | North Quebec Street | 19 |
| 7 | Parrott Drive | 19 |
| 8 | 100 Canada Vista | 18 |
| 9 | 7th Avenue | 18 |
| 10 | Arroyo Ct | 18 |
(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 | 3.1µg/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 |
|---|---|---|---|---|
| Tuesday, Apr 16 | Good 17 AQI US |  | 73.4° 53.6° |  6.7 mp/h |
| Wednesday, Apr 17 | Good 19 AQI US | | 66.2° 51.8° | 6.7 mp/h |
| Thursday, Apr 18 | Good 20 AQI US |  | 64.4° 50° | 6.7 mp/h |
| Today | Good 13 AQI US | | 64.4° 50° | 6.7 mp/h |
| Saturday, Apr 20 | Good 20 AQI US | | 64.4° 50° | 8.9 mp/h |
| Sunday, Apr 21 | Good 15 AQI US | | 66.2° 51.8° | 6.7 mp/h |
| Monday, Apr 22 | Good 26 AQI US | | 64.4° 50° | 8.9 mp/h |
| Tuesday, Apr 23 | Good 17 AQI US | | 59° 50° | 15.7 mp/h |
| Wednesday, Apr 24 | Good 15 AQI US |  20% | 57.2° 50° | 13.4 mp/h |
| Thursday, Apr 25 | Good 11 AQI US | 30% | 53.6° 48.2° | 6.7 mp/h |
Interested in hourly forecast? Get the app
News
The latest air quality news and resources.
San Mateo air quality data attribution
65Contributors
- -
1 station
- Nicklas Johnson
1 station
2 Individual Contributors
- 63 Anonymous contributors
63 stations
63 Anonymous Contributors
Data validated and calibrated by IQAirWhere is the cleanest air quality in San Mateo?
- 31st Ave 1
- 772-774 Polhemus Road 1
- Queens Lane / Lakewood Circle 1
- East Poplar Avenue 2
- 12th Avenue San Mateo CA 94402 4
- Central San Mateo 4
- San Mateo Police Department 4
- Durand Drive 5
- Occidental Avenue 5
- Pescadero Hills 5
- San Mateo Park 5
- Sugarloaf 5
- Avila Road 6
- Edison Street 6
- 13th Avenue 9
- Mid Hillsdale Blvd 9
- Mountain View Place 9
- Noe Avenue 9
- Pinewood Court 9
- Leafwood Court 10
- Live Oak Drive 10
- BV.SM Upper 11
- Monterey Trailhead 11
- Sylvan Avenue 11
- 7405 Alpine Road 12
- CuriOdyssey at Coyote Point 12
- Iowa Drive 12
- Louise outside 12
- Marshall Avenue 12
- Portola Hts - 5 Points 12
- Sunset Terrace 12
- West Ranch Road 12
- 39th Ave 13
- Yale Drive 13
- 10th Ave and Palm 14
- Beresford Park 14
- Highland Avenue 14
- Stratford Way 14
- Baywood - Aragon 15
- Cornell 15
- North Claremont St 15
- Pescadero 15
- Play Bowl Drive 15
- 37th Avenue 16
- Edinburgh Street 16
- North Central 16
- Park Lane 16
- Parkside Area 16
- Shelden Road 16
- South Grant Street 16
- Station Park Cir. San Mateo CA 16
- West Capistrano Way 16
- 238 41st Avenue 17
- 100 Canada Vista 18
- 7th Avenue 18
- Arroyo Ct 18
- Hayward Park on El Camino 18
- Saint Matthew's Avenue 18
- Meowchi Heaven - Park Place - San Mateo 19
- Mid East Santa Inez Avenue 19
- North Quebec Street 19
- Parrott Drive 19
- 621 Hillcrest Way 20
- North Central-3rd Ave and S Grant St 21
- Church Avenue 24
AQI US, Metric