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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 | Clear sky |
| Temperature | 66.2°F |
| Humidity | 67% |
| Wind | 3 mp/h |
| Pressure | 30.2 Hg |
live aqi city ranking
Real-time USA city ranking
| # | city | US AQI |
|---|---|---|
| 1 | Orcutt, California | 69 |
| 2 | Corpus Christi, Texas | 65 |
| 3 | The Woodlands, Texas | 61 |
| 4 | Buffalo, New York | 54 |
| 5 | Carlisle, Pennsylvania | 54 |
| 6 | Galveston, Texas | 54 |
| 7 | Nampa, Idaho | 54 |
| 8 | Allentown, Pennsylvania | 53 |
| 9 | Canton, Ohio | 53 |
| 10 | Tampa, Florida | 52 |
(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 | 4139 Alpine Road | 48 |
| 2 | 14 Arastradero | 21 |
| 3 | 9 Valley Oak Street | 19 |
| 4 | 3249 Alpine Road | 18 |
| 5 | LSAC Building 950 | 18 |
| 6 | Ladera - Lucero and Mimosa | 18 |
| 7 | San Francisquito Creek Road | 18 |
| 8 | Alhambra Court | 16 |
| 9 | Sandstone Street | 16 |
| 10 | Ash Lane | 15 |
(local time)
SEE WORLD AQI RANKING
US AQI
14
live AQI index
Good
Overview
What is the current air quality in Portola Valley?
| Air pollution level | Air quality index | Main pollutant |
|---|---|---|
| Good | 14 US AQI | PM2.5 |
| Pollutants | Concentration | |
|---|---|---|
| PM2.5 | 3.5µg/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 |
|---|---|---|---|---|
| Thursday, Apr 25 | Good 5 AQI US |  | 60.8° 48.2° |  15.7 mp/h |
| Friday, Apr 26 | Good 7 AQI US |  | 64.4° 48.2° | 11.2 mp/h |
| Saturday, Apr 27 | Good 8 AQI US |  | 66.2° 48.2° | 11.2 mp/h |
| Today | Good 14 AQI US | | 66.2° 48.2° | 11.2 mp/h |
| Monday, Apr 29 | Good 21 AQI US | | 60.8° 46.4° | 15.7 mp/h |
| Tuesday, Apr 30 | Good 21 AQI US | | 59° 44.6° | 13.4 mp/h |
| Wednesday, May 1 | Good 20 AQI US | | 66.2° 46.4° | 15.7 mp/h |
| Thursday, May 2 | Good 20 AQI US | | 69.8° 51.8° | 8.9 mp/h |
| Friday, May 3 | Good 15 AQI US | | 68° 50° | 6.7 mp/h |
| Saturday, May 4 | Good 13 AQI US | 100% | 57.2° 48.2° | 8.9 mp/h |
| Sunday, May 5 | Good 10 AQI US | 100% | 55.4° 48.2° | 11.2 mp/h |
Interested in hourly forecast? Get the app
News
The latest air quality news and resources.
Portola Valley air quality data attribution
26Contributors
- 26 Anonymous contributors
26 stations
26 Anonymous Contributors
1 Data source
Data validated and calibrated by IQAirWhere is the cleanest air quality in Portola Valley?
- Pescadero 6
- Bay Laurel 11
- Georgia Lane 11
- Hayfields Road 12
- Pomponio Court 12
- Alpine Road 13
- Vista Verde Way 13
- 10 Alhambra Court 14
- Alpine Hills 14
- Experimental Facilities Dept Shops EFD 14
- Granada Court 14
- Loop Road 14
- Sausal Drive 14
- Ash Lane 15
- Buck Meadow Drive 15
- Los Trancos Road 15
- Millennium farm 15
- Alhambra Court 16
- Sandstone Street 16
- 3249 Alpine Road 18
- LSAC Building 950 18
- Ladera - Lucero and Mimosa 18
- San Francisquito Creek Road 18
- 9 Valley Oak Street 19
- 14 Arastradero 21
- 4139 Alpine Road 48
AQI US, Metric