Get a monitor and contributor to air quality data in your city.
Air Quality 
Air Monitors
Air Purifiers
For Business
News
Support
Air quality near Hayfields Road, Portola Valley
Air quality index (AQI) and PM2.5 air pollution near Hayfields Road, Portola Valley
2.7K people follow this station
Air Quality Map
Real-time Hayfields Road air pollution map
AIR QUALITY DATA CONTRIBUTORS
Find out more about contributors and data sourcesPollen
What is the pollen count in Hayfields Road today?
 | Index | Low | |
 | Tree pollen | Low | |
 | Grass pollen | Low | |
 | Weed pollen | None |
Source: tomorrow.io
Weather
What is the current weather near Hayfields Road, Portola Valley?
| Weather | Few clouds |
| Temperature | 60.8°F |
| Humidity | 67% |
| Wind | 11.5 mp/h |
| Pressure | 30.2 Hg |
live aqi city ranking
Real-time USA city ranking
| # | city | US AQI |
|---|---|---|
| 1 | Harrisburg, Pennsylvania | 63 |
| 2 | Corpus Christi, Texas | 62 |
| 3 | Lancaster, Pennsylvania | 60 |
| 4 | The Woodlands, Texas | 59 |
| 5 | Carlisle, Pennsylvania | 58 |
| 6 | Elizabethtown, Pennsylvania | 58 |
| 7 | Galveston, Texas | 58 |
| 8 | Kalamazoo, Michigan | 56 |
| 9 | Allentown, Pennsylvania | 55 |
| 10 | Marana, Arizona | 55 |
(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 | 4139 Alpine Road | 14 |
| 2 | San Francisquito Creek Road | 13 |
| 3 | Alpine Hills | 12 |
| 4 | Ladera - Lucero and Mimosa | 12 |
| 5 | 14 Arastradero | 11 |
| 6 | 3249 Alpine Road | 11 |
| 7 | 9 Valley Oak Street | 11 |
| 8 | Alhambra Court | 11 |
| 9 | Los Trancos Road | 11 |
| 10 | Millennium farm | 11 |
(local time)
SEE WORLD AQI RANKING
US AQI
7
live AQI index
Good
Overview
What is the current air quality near Hayfields Road, Portola Valley?
| Air pollution level | Air quality index | Main pollutant |
|---|---|---|
| Good | 7 US AQI | PM2.5 |
| Pollutants | Concentration | |
|---|---|---|
| PM2.5 | 1.7µg/m³ | |
Health Recommendations
What is the current air quality near Hayfields Road, Portola Valley?
 | Enjoy outdoor activities |
 | Open your windows to bring clean, fresh air indoors GET A MONITOR |
Forecast
Hayfields Road, Portola Valley air quality index (AQI) forecast
| Day | Pollution level | Weather | Temperature | Wind |
|---|---|---|---|---|
| Thursday, Apr 25 | Good 4 AQI US | |||
| Friday, Apr 26 | Good 7 AQI US | |||
| Saturday, Apr 27 | Good 6 AQI US | |||
| Today | Good 7 AQI US | | 60.8° 46.4° |  13.4 mp/h |
| Monday, Apr 29 | Good 19 AQI US |  | 60.8° 44.6° | 11.2 mp/h |
| Tuesday, Apr 30 | Good 20 AQI US | | 60.8° 41° | 8.9 mp/h |
| Wednesday, May 1 | Good 18 AQI US | | 68° 44.6° | 13.4 mp/h |
| Thursday, May 2 | Good 20 AQI US | | 71.6° 50° | 6.7 mp/h |
| Friday, May 3 | Good 18 AQI US | | 69.8° 48.2° | 6.7 mp/h |
| Saturday, May 4 | Good 16 AQI US |  100% | 57.2° 46.4° | 6.7 mp/h |
Interested in hourly forecast? Get the app
News
The latest air quality news and resources.
Hayfields Road air quality data attribution
Contributor
Anonymous Contributor
Data source
Data validated and calibrated by IQAirWhere is the cleanest air quality in Portola Valley?
- Bay Laurel 3
- Pescadero 4
- Hayfields Road 7
- Alpine Road 8
- Pomponio Court 8
- 10 Alhambra Court 9
- Georgia Lane 9
- Granada Court 9
- Vista Verde Way 9
- Buck Meadow Drive 10
- Experimental Facilities Dept Shops EFD 10
- LSAC Building 950 10
- Loop Road 10
- Sandstone Street 10
- Sausal Drive 10
- 14 Arastradero 11
- 3249 Alpine Road 11
- 9 Valley Oak Street 11
- Alhambra Court 11
- Los Trancos Road 11
- Millennium farm 11
- Alpine Hills 12
- Ladera - Lucero and Mimosa 12
- San Francisquito Creek Road 13
- 4139 Alpine Road 14
AQI US, Metric