Get a monitor and contributor to air quality data in your city.
Air Quality 
Air Monitors
Air Purifiers
For Business
News
Support
Air quality near 9th Avenue San Mateo, San Mateo
Air quality index (AQI) and PM2.5 air pollution near 9th Avenue San Mateo, San Mateo
4 people follow this station
Air Quality Map
Real-time 9th Avenue San Mateo air pollution map
AIR QUALITY DATA CONTRIBUTORS
Find out more about contributors and data sourcesPollen
What is the pollen count in 9th Avenue San Mateo today?
 | Index | Low | |
 | Tree pollen | Low | |
 | Grass pollen | None | |
 | Weed pollen | None |
Source: tomorrow.io
Weather
What is the current weather near 9th Avenue San Mateo, San Mateo?
| Weather | Clear sky |
| Temperature | 60.8°F |
| Humidity | 82% |
| Wind | 3 mp/h |
| Pressure | 29.9 Hg |
live aqi city ranking
Real-time USA city ranking
| # | city | US AQI |
|---|---|---|
| 1 | The Woodlands, Texas | 155 |
| 2 | New Braunfels, Texas | 125 |
| 3 | Georgetown, Texas | 122 |
| 4 | Corpus Christi, Texas | 118 |
| 5 | Austin, Texas | 117 |
| 6 | San Antonio, Texas | 116 |
| 7 | Round Rock, Texas | 113 |
| 8 | Boerne, Texas | 104 |
| 9 | Leander, Texas | 99 |
| 10 | Shreveport, Louisiana | 96 |
(local time)
SEE WORLD AQI RANKING
3D animated air pollution map
live aqi station ranking
Real-time San Mateo air quality ranking
| # | station | US AQI |
|---|---|---|
| 1 | Church Avenue | 40 |
| 2 | Parrott Drive | 37 |
| 3 | 12th Avenue San Mateo CA 94402 | 34 |
| 4 | Mid Hillsdale Blvd | 29 |
| 5 | 238 41st Avenue | 28 |
| 6 | Stratford Way | 28 |
| 7 | 13th Avenue | 27 |
| 8 | 37th Avenue | 27 |
| 9 | Arroyo Ct | 27 |
| 10 | Leafwood Court | 27 |
(local time)
SEE WORLD AQI RANKING
US AQI
16
live AQI index
Good
Overview
What is the current air quality near 9th Avenue San Mateo, San Mateo?
| Air pollution level | Air quality index | Main pollutant |
|---|---|---|
| Good | 16 US AQI | PM2.5 |
| Pollutants | Concentration | |
|---|---|---|
| PM2.5 | 3.8µg/m³ | |
Health Recommendations
What is the current air quality near 9th Avenue San Mateo, San Mateo?
 | Enjoy outdoor activities |
 | Open your windows to bring clean, fresh air indoors GET A MONITOR |
Forecast
9th Avenue San Mateo, San Mateo air quality index (AQI) forecast
| Day | Pollution level | Weather | Temperature | Wind |
|---|---|---|---|---|
| Monday, Jul 26 | Good 29 AQI US |  | 73.4° 57.2° |  6.7 mp/h |
| Tuesday, Jul 27 | Good 42 AQI US | | 73.4° 57.2° | 6.7 mp/h |
| Wednesday, Jul 28 | Good 42 AQI US |  | 75.2° 59° | 6.7 mp/h |
| Thursday, Jul 29 | Good 36 AQI US | | 75.2° 57.2° | 6.7 mp/h |
| Friday, Jul 30 | Good 30 AQI US | | 73.4° 55.4° | 6.7 mp/h |
| Saturday, Jul 31 | Good 26 AQI US |  | 71.6° 55.4° | 6.7 mp/h |
| Sunday, Aug 1 | Good 31 AQI US | | 71.6° 53.6° | 8.9 mp/h |
Interested in hourly forecast? Get the app
News
The latest air quality news and resources.
9th Avenue San Mateo air quality data attribution
Contributor
Anonymous Contributor
Data source
Data validated and calibrated by IQAirWhere is the cleanest air quality in San Mateo?
- San Mateo Police Department 0
- CuriOdyssey at Coyote Point 19
- Sugarloaf 20
- Portola Hts - 5 Points 21
- South Ranch Road 21
- 7405 Alpine Road 22
- North Quebec Street 22
- 772-774 Polhemus Road 23
- Central San Mateo 23
- Highland Avenue 23
- North Claremont St 23
- Pescadero Hills 23
- Play Bowl Drive 23
- San Mateo Park 23
- 10th Ave and Palm 24
- 31st Ave 24
- 621 Hillcrest Way 24
- Avila Road 24
- Baywood - Aragon 24
- Belford Way 24
- Cornell 24
- East Poplar Avenue 24
- Edison Street 24
- Monterey Trailhead 24
- Shelden Road 24
- South Grant Street 24
- Yale Drive 24
- 113 West 40th Avenue 25
- 39th Ave 25
- BV.SM Upper 25
- Beresford Park 25
- Durand Drive 25
- Edinburgh Street 25
- Iowa Drive 25
- Live Oak Drive 25
- Louise outside 25
- Mountain View Place 25
- Noe Avenue 25
- Occidental Avenue 25
- Park Lane 25
- Pescadero 25
- Queens Lane / Lakewood Circle 25
- Station Park Cir. San Mateo CA 25
- Sunset Terrace 25
- Sylvan Avenue 25
- West Ranch Road 25
- 100 Canada Vista 26
- 7th Avenue 26
- Hayward Park on El Camino 26
- Marshall Avenue 26
- Meowchi Heaven - Park Place - San Mateo 26
- North Central-3rd Ave and S Grant St 26
- Pinewood Court 26
- Portola Drive 26
- Saint Matthew's Avenue 26
- West Capistrano Way 26
- 13th Avenue 27
- 37th Avenue 27
- Arroyo Ct 27
- Leafwood Court 27
- Mid East Santa Inez Avenue 27
- Parkside Area 27
- 238 41st Avenue 28
- Stratford Way 28
- Mid Hillsdale Blvd 29
- 12th Avenue San Mateo CA 94402 34
- Parrott Drive 37
- Church Avenue 40
AQI US, Metric