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 | Moderate | |
 | Tree pollen | Moderate | |
 | Grass pollen | Moderate | |
 | Weed pollen | None |
Source: tomorrow.io
Weather
What is the current weather near Hayfields Road, Portola Valley?
| Weather | Mist |
| Temperature | 57.2°F |
| Humidity | 72% |
| Wind | 4.6 mp/h |
| Pressure | 29.9 Hg |
live aqi city ranking
Real-time USA city ranking
| # | city | US AQI |
|---|---|---|
| 1 |  Mecca, California | 102 |
| 2 | Corpus Christi, Texas | 100 |
| 3 | Coachella, California | 95 |
| 4 | San Bernardino, California | 86 |
| 5 | Pahrump, Nevada | 84 |
| 6 | North Hollywood, California | 83 |
| 7 | Redlands, California | 80 |
| 8 | San Fernando, California | 79 |
| 9 | Glendale, California | 78 |
| 10 | Yucaipa, California | 78 |
(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 | Lower Sandstone | 56 |
| 2 | 14 Arastradero | 35 |
| 3 | San Francisquito Creek Road | 28 |
| 4 | 4139 Alpine Road | 27 |
| 5 | 10 Alhambra Court | 26 |
| 6 | Granada Court | 26 |
| 7 | Alhambra Court | 25 |
| 8 | Ladera - Lucero and Mimosa | 25 |
| 9 | Pescadero | 25 |
| 10 | Pomponio Court | 25 |
(local time)
SEE WORLD AQI RANKING
US AQI
16
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 | 16 US AQI | PM2.5 |
| Pollutants | Concentration | |
|---|---|---|
| PM2.5 | 2.9µg/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 |
|---|---|---|---|---|
| Wednesday, May 29 | Good 25 AQI US | |||
| Thursday, May 30 | Good 27 AQI US | |||
| Friday, May 31 | Good 19 AQI US | |||
| Today | Good 16 AQI US |  | 62.6° 46.4° |  13.4 mp/h |
| Sunday, Jun 2 | Good 34 AQI US |  | 64.4° 51.8° | 8.9 mp/h |
| Monday, Jun 3 | Good 18 AQI US | | 62.6° 48.2° | 8.9 mp/h |
| Tuesday, Jun 4 | Good 34 AQI US |  | 77° 46.4° | 6.7 mp/h |
| Wednesday, Jun 5 | Moderate 65 AQI US  | | 80.6° 53.6° | 6.7 mp/h |
| Thursday, Jun 6 | Good 43 AQI US | | 68° 50° | 6.7 mp/h |
| Friday, Jun 7 | Good 22 AQI US | | 68° 48.2° | 8.9 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?
- Ash Lane 1
- Coalmine View 1
- Georgia Lane 10
- Hayfields Road 16
- Bay Laurel 17
- Alpine Hills 19
- Experimental Facilities Dept Shops EFD 20
- 3249 Alpine Road 21
- Alpine Road 21
- Buck Meadow Drive 22
- Loop Road 22
- Millennium farm 22
- 9 Valley Oak Street 23
- Sandstone Street 23
- Sausal Drive 23
- LSAC Building 950 24
- Los Trancos Road 24
- Alhambra Court 25
- Ladera - Lucero and Mimosa 25
- Pescadero 25
- Pomponio Court 25
- 10 Alhambra Court 26
- Granada Court 26
- 4139 Alpine Road 27
- San Francisquito Creek Road 28
- 14 Arastradero 35
- Lower Sandstone 56
AQI US, Metric