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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
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Pollen
What is the pollen count in Portola Valley today?
 | Index | Moderate | |
 | Tree pollen | Moderate | |
 | Grass pollen | Moderate | |
 | Weed pollen | None |
Source: tomorrow.io
Weather
What is the current weather in Portola Valley?
| Weather | Broken clouds |
| Temperature | 53.6°F |
| Humidity | 83% |
| Wind | 6.9 mp/h |
| Pressure | 30 Hg |
live aqi city ranking
Real-time USA city ranking
| # | city | US AQI |
|---|---|---|
| 1 |  Corpus Christi, Texas | 95 |
| 2 | Mecca, California | 91 |
| 3 | Lubbock, Texas | 86 |
| 4 | Yucaipa, California | 79 |
| 5 | Stamford, Connecticut | 76 |
| 6 | Pahrump, Nevada | 75 |
| 7 | Redlands, California | 75 |
| 8 | San Bernardino, California | 70 |
| 9 | Coachella, California | 66 |
| 10 | Reseda, California | 66 |
(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 | 31 |
| 2 | San Francisquito Creek Road | 9 |
| 3 | Ladera - Lucero and Mimosa | 8 |
| 4 | Loop Road | 7 |
| 5 | 3249 Alpine Road | 6 |
| 6 | 9 Valley Oak Street | 6 |
| 7 | Buck Meadow Drive | 6 |
| 8 | Hayfields Road | 6 |
| 9 | 14 Arastradero | 5 |
| 10 | Los Trancos Road | 5 |
(local time)
SEE WORLD AQI RANKING
US AQI
5
live AQI index
Good
Overview
What is the current air quality in Portola Valley?
| Air pollution level | Air quality index | Main pollutant |
|---|---|---|
| Good | 5 US AQI | PM2.5 |
| Pollutants | Concentration | |
|---|---|---|
| PM2.5 | 0.9µg/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, May 30 | Good 31 AQI US |  | 78.8° 48.2° |  6.7 mp/h |
| Friday, May 31 | Good 26 AQI US | | 68° 48.2° | 11.2 mp/h |
| Saturday, Jun 1 | Good 11 AQI US | | 62.6° 53.6° | 8.9 mp/h |
| Today | Good 5 AQI US | | 62.6° 53.6° | 8.9 mp/h |
| Monday, Jun 3 | Good 20 AQI US | | 60.8° 50° | 6.7 mp/h |
| Tuesday, Jun 4 | Good 34 AQI US | | 75.2° 50° | 11.2 mp/h |
| Wednesday, Jun 5 | Moderate 60 AQI US  | | 73.4° 51.8° | 8.9 mp/h |
| Thursday, Jun 6 | Good 41 AQI US | | 68° 51.8° | 6.7 mp/h |
| Friday, Jun 7 | Good 35 AQI US |  | 69.8° 50° | 6.7 mp/h |
| Saturday, Jun 8 | Good 28 AQI US | | 66.2° 50° | 6.7 mp/h |
Interested in hourly forecast? Get the app
News
The latest air quality news and resources.
How to best protect from air pollution?
Portola Valley air quality data attribution
22Contributors
- 22 Anonymous contributors
22 stations
22 Anonymous Contributors
1 Data source
Data validated and calibrated by IQAirWhere is the cleanest air quality in Portola Valley?
- Pomponio Court 0
- 4139 Alpine Road 1
- Experimental Facilities Dept Shops EFD 1
- Bay Laurel 2
- Granada Court 2
- 10 Alhambra Court 3
- Alhambra Court 3
- Sausal Drive 3
- Georgia Lane 4
- LSAC Building 950 4
- Millennium farm 4
- 14 Arastradero 5
- Los Trancos Road 5
- Sandstone Street 5
- 3249 Alpine Road 6
- 9 Valley Oak Street 6
- Buck Meadow Drive 6
- Hayfields Road 6
- Loop Road 7
- Ladera - Lucero and Mimosa 8
- San Francisquito Creek Road 9
- Lower Sandstone 31
AQI US, Metric