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Air quality in Portola Valley
Air quality index (AQI) and PM2.5 air pollution in Portola Valley
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Portola Valley Air Quality Map
Real-time Portola Valley air pollution map
AIR QUALITY DATA CONTRIBUTORS
Anonymous contributor
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Pollen
What is the pollen count in Portola Valley today?
 | Index | Low | |
 | Tree pollen | Low | |
 | Grass pollen | Low | |
 | Weed pollen | None |
Source: tomorrow.io
Weather
What is the current weather in Portola Valley?
| Weather | Broken clouds |
| Temperature | 59°F |
| Humidity | 77% |
| Wind | 9.9 mp/h |
| Pressure | 30.1 Hg |
live aqi city ranking
Real-time USA city ranking
| # | city | US AQI |
|---|---|---|
| 1 | San Antonio, Texas | 78 |
| 2 | Palm Desert, California | 75 |
| 3 | Boerne, Texas | 74 |
| 4 | Aiken, South Carolina | 67 |
| 5 | Denton, Texas | 66 |
| 6 | Columbia, South Carolina | 65 |
| 7 | Fort Worth, Texas | 65 |
| 8 | New Braunfels, Texas | 65 |
| 9 | Lewisville, Texas | 64 |
| 10 | Round Rock, Texas | 64 |
(local time)
SEE WORLD AQI RANKING
3D animated air pollution map
live Portola Valley aqi ranking
Real-time Portola Valley air quality ranking
| # | station | US AQI |
|---|---|---|
| 1 | Lower Sandstone | 25 |
| 2 | 4139 Alpine Road | 15 |
| 3 | 3249 Alpine Road | 10 |
| 4 | San Francisquito Creek Road | 10 |
| 5 | Ladera - Lucero and Mimosa | 9 |
| 6 | 14 Arastradero | 8 |
| 7 | Millennium farm | 8 |
| 8 | Alpine Hills | 7 |
| 9 | LSAC Building 950 | 7 |
| 10 | Loop Road | 7 |
(local time)
SEE WORLD AQI RANKING
US AQI
7
live AQI index
Good
Overview
What is the current air quality in Portola Valley?
| Air pollution level | Air quality index | Main pollutant |
|---|---|---|
| Good | 7 US AQI | PM2.5 |
| Pollutants | Concentration | |
|---|---|---|
| PM2.5 | 1.6µg/m³ | |
✓
PM2.5 concentration in Portola Valley air currently meets the WHO annual air quality guideline value
Health Recommendations
What is the current air quality in Portola Valley?
 | Enjoy outdoor activities |
 | Open your windows to bring clean, fresh air indoors GET A MONITOR |
Forecast
Portola Valley air quality index (AQI) forecast
| Day | Pollution level | Weather | Temperature | Wind |
|---|---|---|---|---|
| Tuesday, Apr 23 | Good 14 AQI US | | 60.8° 48.2° |  8.9 mp/h |
| Wednesday, Apr 24 | Good 10 AQI US |  | 60.8° 50° | 11.2 mp/h |
| Thursday, Apr 25 | Good 5 AQI US | | 59° 48.2° | 15.7 mp/h |
| Today | Good 7 AQI US | 40% | 59° 48.2° | 15.7 mp/h |
| Saturday, Apr 27 | Good 16 AQI US | | 59° 46.4° | 11.2 mp/h |
| Sunday, Apr 28 | Good 18 AQI US |  | 59° 46.4° | 13.4 mp/h |
| Monday, Apr 29 | Good 25 AQI US | | 60.8° 46.4° | 15.7 mp/h |
| Tuesday, Apr 30 | Good 24 AQI US | | 60.8° 44.6° | 13.4 mp/h |
| Wednesday, May 1 | Good 18 AQI US | | 66.2° 46.4° | 13.4 mp/h |
| Thursday, May 2 | Good 16 AQI US | | 68° 50° | 8.9 mp/h |
Interested in hourly forecast? Get the app
News
The latest air quality news and resources.
Portola Valley air quality data attribution
23Contributors
- 23 Anonymous contributors
23 stations
23 Anonymous Contributors
1 Data source
Data validated and calibrated by IQAirWhere is the cleanest air quality in Portola Valley?
- Granada Court 2
- Experimental Facilities Dept Shops EFD 3
- Hayfields Road 4
- Sandstone Street 4
- 10 Alhambra Court 5
- 9 Valley Oak Street 6
- Alhambra Court 6
- Buck Meadow Drive 6
- Georgia Lane 6
- Sausal Drive 6
- Alpine Hills 7
- LSAC Building 950 7
- Loop Road 7
- Los Trancos Road 7
- Pomponio Court 7
- Vista Verde Way 7
- 14 Arastradero 8
- Millennium farm 8
- Ladera - Lucero and Mimosa 9
- 3249 Alpine Road 10
- San Francisquito Creek Road 10
- 4139 Alpine Road 15
- Lower Sandstone 25
AQI US, Metric