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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 | 59°F |
| Humidity | 80% |
| Wind | 7.2 mp/h |
| Pressure | 30 Hg |
live aqi city ranking
Real-time USA city ranking
| # | city | US AQI |
|---|---|---|
| 1 |  Boerne, Texas | 128 |
| 2 | Coachella, California | 128 |
| 3 | New Braunfels, Texas | 103 |
| 4 | San Antonio, Texas | 101 |
| 5 | Mecca, California | 92 |
| 6 | Baytown, Texas | 79 |
| 7 | Yucaipa, California | 78 |
| 8 | Corpus Christi, Texas | 77 |
| 9 | San Bernardino, California | 76 |
| 10 | Pahrump, Nevada | 75 |
(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 | 54 |
| 2 | Ladera - Lucero and Mimosa | 15 |
| 3 | Los Trancos Road | 12 |
| 4 | Millennium farm | 12 |
| 5 | 4139 Alpine Road | 11 |
| 6 | LSAC Building 950 | 11 |
| 7 | Loop Road | 11 |
| 8 | 14 Arastradero | 10 |
| 9 | San Francisquito Creek Road | 10 |
| 10 | Buck Meadow Drive | 9 |
(local time)
SEE WORLD AQI RANKING
US AQI
8
live AQI index
Good
Overview
What is the current air quality in Portola Valley?
| Air pollution level | Air quality index | Main pollutant |
|---|---|---|
| Good | 8 US AQI | PM2.5 |
| Pollutants | Concentration | |
|---|---|---|
| PM2.5 | 1.5µg/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, 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 10 AQI US | | 62.6° 53.6° | 8.9 mp/h |
| Today | Good 8 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
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 0
- Alpine Hills 3
- Bay Laurel 5
- 10 Alhambra Court 6
- Sausal Drive 6
- 3249 Alpine Road 7
- Georgia Lane 7
- 9 Valley Oak Street 8
- Alhambra Court 8
- Experimental Facilities Dept Shops EFD 8
- Hayfields Road 8
- Sandstone Street 8
- Buck Meadow Drive 9
- Pomponio Court 9
- 14 Arastradero 10
- San Francisquito Creek Road 10
- 4139 Alpine Road 11
- LSAC Building 950 11
- Loop Road 11
- Los Trancos Road 12
- Millennium farm 12
- Ladera - Lucero and Mimosa 15
- Lower Sandstone 54
AQI US, Metric