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Air quality near Stonegate Road, Portola Valley
Air quality index (AQI) and PM2.5 air pollution near Stonegate Road, Portola Valley
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Air Quality Map
Real-time Stonegate Road air pollution map
AIR QUALITY DATA CONTRIBUTORS
Find out more about contributors and data sourcesPollen
What is the pollen count in Stonegate Road today?
 | Index | Low | |
 | Tree pollen | Low | |
 | Grass pollen | Low | |
 | Weed pollen | None |
Weather
What is the current weather near Stonegate Road, Portola Valley?
| Weather | Clear sky |
| Temperature | 57.2°F |
| Humidity | 77% |
| Wind | 11.5 mp/h |
| Pressure | 29.9 Hg |
live aqi city ranking
Real-time USA city ranking
| # | city | US AQI |
|---|---|---|
| 1 | Republic, Washington | 98 |
| 2 | Springville, California | 94 |
| 3 | Greensboro, North Carolina | 84 |
| 4 | Three Rivers, California | 74 |
| 5 | Fuquay-Varina, North Carolina | 67 |
| 6 | Cary, North Carolina | 66 |
| 7 | Raleigh, North Carolina | 65 |
| 8 | Harrisburg, Pennsylvania | 64 |
| 9 | Chapel Hill, North Carolina | 63 |
| 10 | Winston-Salem, North Carolina | 62 |
(local time)
SEE WORLD AQI RANKING
3D animated air pollution map
live aqi station ranking
Real-time Portola Valley air quality ranking
| # | station | US AQI |
|---|---|---|
| 1 | Lower Sandstone | 52 |
| 2 | 14 Arastradero | 24 |
| 3 | Antonio Court | 24 |
| 4 | LSAC Building 950 | 24 |
| 5 | 4139 Alpine Road | 23 |
| 6 | 9 Valley Oak Street | 23 |
| 7 | Ladera - Lucero and Mimosa | 21 |
| 8 | Stonegate Road | 21 |
| 9 | 10 Alhambra Court | 20 |
| 10 | 3249 Alpine Road | 20 |
(local time)
SEE WORLD AQI RANKING
US AQI
21
live AQI index
Good
Overview
What is the current air quality near Stonegate Road, Portola Valley?
| Air pollution level | Air quality index | Main pollutant |
|---|---|---|
| Good | 21 US AQI | PM2.5 |
| Pollutants | Concentration | |
|---|---|---|
| PM2.5 | 5µg/m³ | |
Health Recommendations
What is the current air quality near Stonegate Road, Portola Valley?
 | Enjoy outdoor activities |
 | Open your windows to bring clean, fresh air indoors GET A MONITOR |
Forecast
Stonegate Road, Portola Valley air quality index (AQI) forecast
| Day | Pollution level | Weather | Temperature | Wind |
|---|---|---|---|---|
| Tuesday, Apr 16 | Good 14 AQI US | |||
| Wednesday, Apr 17 | Good 17 AQI US | |||
| Thursday, Apr 18 | Good 19 AQI US | |||
| Today | Good 21 AQI US |  | 68° 48.2° |  6.7 mp/h |
| Saturday, Apr 20 | Good 17 AQI US | | 71.6° 50° | 4.5 mp/h |
| Sunday, Apr 21 | Good 25 AQI US | | 66.2° 48.2° | 6.7 mp/h |
| Monday, Apr 22 | Good 15 AQI US |  | 60.8° 46.4° | 6.7 mp/h |
| Tuesday, Apr 23 | Good 15 AQI US | | 57.2° 44.6° | 6.7 mp/h |
| Wednesday, Apr 24 | Good 15 AQI US |  20% | 60.8° 48.2° | 8.9 mp/h |
| Thursday, Apr 25 | Good 13 AQI US | 30% | 59° 48.2° | 13.4 mp/h |
Interested in hourly forecast? Get the app
News
The latest air quality news and resources.
Stonegate Road air quality data attribution
Contributor
Anonymous Contributor
Data source
Data validated and calibrated by IQAirWhere is the cleanest air quality in Portola Valley?
- Coalmine View 1
- Georgia Lane 7
- Thomas Fogarty Winery 8
- Bay Laurel 10
- Alpine Hills 12
- Pescadero 12
- Alpine Road 14
- Ash Lane 14
- Hayfields Road 15
- Experimental Facilities Dept Shops EFD 16
- Pomponio Court 16
- Alhambra Court 18
- Granada Court 18
- Sausal Drive 18
- Buck Meadow Drive 19
- Loop Road 19
- Los Trancos Road 19
- Millennium farm 19
- Sandstone Street 19
- Vista Verde Way 19
- 10 Alhambra Court 20
- 3249 Alpine Road 20
- Ladera - Lucero and Mimosa 21
- Stonegate Road 21
- 4139 Alpine Road 23
- 9 Valley Oak Street 23
- 14 Arastradero 24
- Antonio Court 24
- LSAC Building 950 24
- Lower Sandstone 52
AQI US, Metric