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 Ash Lane, Portola Valley
Air quality index (AQI) and PM2.5 air pollution near Ash Lane, Portola Valley
5 people follow this station
Air Quality Map
Real-time Ash Lane air pollution map
AIR QUALITY DATA CONTRIBUTORS
Find out more about contributors and data sourcesPollen
What is the pollen count in Ash Lane today?
 | Index | Low | |
 | Tree pollen | Low | |
 | Grass pollen | Low | |
 | Weed pollen | None |
Source: tomorrow.io
Weather
What is the current weather near Ash Lane, Portola Valley?
| Weather | Clear sky |
| Temperature | 51.8°F |
| Humidity | 65% |
| Wind | 10.4 mp/h |
| Pressure | 30 Hg |
live aqi city ranking
Real-time USA city ranking
| # | city | US AQI |
|---|---|---|
| 1 | Mecca, California | 65 |
| 2 | Carlsbad, New Mexico | 60 |
| 3 | Coopersburg, Pennsylvania | 60 |
| 4 | Orcutt, California | 60 |
| 5 | Quakertown, Pennsylvania | 59 |
| 6 | Edmond, Oklahoma | 58 |
| 7 | Oklahoma City, Oklahoma | 57 |
| 8 | Tulsa, Oklahoma | 56 |
| 9 | Baton Rouge, Louisiana | 55 |
| 10 | Lewisville, Texas | 54 |
(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 | 31 |
| 2 | Antonio Court | 27 |
| 3 | 14 Arastradero | 21 |
| 4 | 10 Alhambra Court | 20 |
| 5 | 4139 Alpine Road | 20 |
| 6 | San Francisquito Creek Road | 18 |
| 7 | Granada Court | 17 |
| 8 | LSAC Building 950 | 17 |
| 9 | 3249 Alpine Road | 16 |
| 10 | 9 Valley Oak Street | 16 |
(local time)
SEE WORLD AQI RANKING
US AQI
11
live AQI index
Good
Overview
What is the current air quality near Ash Lane, Portola Valley?
| Air pollution level | Air quality index | Main pollutant |
|---|---|---|
| Good | 11 US AQI | PM2.5 |
| Pollutants | Concentration | |
|---|---|---|
| PM2.5 | 2.6µg/m³ | |
Health Recommendations
What is the current air quality near Ash Lane, Portola Valley?
 | Enjoy outdoor activities |
 | Open your windows to bring clean, fresh air indoors GET A MONITOR |
Forecast
Ash Lane, Portola Valley air quality index (AQI) forecast
| Day | Pollution level | Weather | Temperature | Wind |
|---|---|---|---|---|
| Saturday, Apr 27 | Good 10 AQI US | |||
| Sunday, Apr 28 | Good 10 AQI US | |||
| Monday, Apr 29 | Good 11 AQI US | |||
| Today | Good 11 AQI US |  | 68° 44.6° |  8.9 mp/h |
| Wednesday, May 1 | Good 16 AQI US |  | 66.2° 48.2° | 8.9 mp/h |
| Thursday, May 2 | Good 17 AQI US | | 66.2° 48.2° | 11.2 mp/h |
| Friday, May 3 | Good 14 AQI US |  100% | 53.6° 44.6° | 6.7 mp/h |
| Saturday, May 4 | Good 6 AQI US | 50% | 51.8° 42.8° | 4.5 mp/h |
| Sunday, May 5 | Good 11 AQI US | 20% | 57.2° 46.4° | 8.9 mp/h |
| Monday, May 6 | Good 15 AQI US | | 62.6° 44.6° | 8.9 mp/h |
Interested in hourly forecast? Get the app
News
The latest air quality news and resources.
Ash Lane air quality data attribution
Contributor
Anonymous Contributor
Data source
Data validated and calibrated by IQAirWhere is the cleanest air quality in Portola Valley?
- Thomas Fogarty Winery 0
- Coalmine View 4
- Georgia Lane 9
- Ash Lane 11
- Alpine Road 12
- Hayfields Road 12
- Bay Laurel 13
- Experimental Facilities Dept Shops EFD 13
- Pomponio Court 13
- Millennium farm 14
- Alhambra Court 15
- Buck Meadow Drive 15
- Los Trancos Road 15
- Pescadero 15
- Sausal Drive 15
- Vista Verde Way 15
- 3249 Alpine Road 16
- 9 Valley Oak Street 16
- Alpine Hills 16
- Ladera - Lucero and Mimosa 16
- Loop Road 16
- Sandstone Street 16
- Granada Court 17
- LSAC Building 950 17
- San Francisquito Creek Road 18
- 10 Alhambra Court 20
- 4139 Alpine Road 20
- 14 Arastradero 21
- Antonio Court 27
- Lower Sandstone 31
AQI US, Metric