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Air quality near 4139 Alpine Road, Portola Valley
Air quality index (AQI) and PM2.5 air pollution near 4139 Alpine Road, Portola Valley
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Air Quality Map
Real-time 4139 Alpine Road air pollution map
AIR QUALITY DATA CONTRIBUTORS
Find out more about contributors and data sourcesPollen
What is the pollen count in 4139 Alpine Road today?
 | Index | Low | |
 | Tree pollen | Low | |
 | Grass pollen | Low | |
 | Weed pollen | None |
Source: tomorrow.io
Weather
What is the current weather near 4139 Alpine Road, Portola Valley?
| Weather | Clear sky |
| Temperature | 50°F |
| Humidity | 70% |
| Wind | 11.5 mp/h |
| Pressure | 30 Hg |
live aqi city ranking
Real-time USA city ranking
| # | city | US AQI |
|---|---|---|
| 1 | Casa Grande, Arizona | 95 |
| 2 | New York City, New York | 79 |
| 3 | Lancaster, California | 77 |
| 4 | San Antonio, Texas | 73 |
| 5 | Durham, North Carolina | 66 |
| 6 | Yosemite Np Turtleback Dome, California | 65 |
| 7 | Arroyo Grande, California | 61 |
| 8 | Pahrump, Nevada | 61 |
| 9 | Orcutt, California | 60 |
| 10 | Nipomo, California | 59 |
(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 | Antonio Court | 34 |
| 2 | 14 Arastradero | 23 |
| 3 | LSAC Building 950 | 23 |
| 4 | 9 Valley Oak Street | 22 |
| 5 | 10 Alhambra Court | 21 |
| 6 | Buck Meadow Drive | 21 |
| 7 | Loop Road | 21 |
| 8 | 3249 Alpine Road | 20 |
| 9 | Alpine Hills | 20 |
| 10 | Granada Court | 20 |
(local time)
SEE WORLD AQI RANKING
US AQI
19
live AQI index
Good
Overview
What is the current air quality near 4139 Alpine Road, Portola Valley?
| Air pollution level | Air quality index | Main pollutant |
|---|---|---|
| Good | 19 US AQI | PM2.5 |
| Pollutants | Concentration | |
|---|---|---|
| PM2.5 | 4.6µg/m³ | |
Health Recommendations
What is the current air quality near 4139 Alpine Road, Portola Valley?
 | Enjoy outdoor activities |
 | Open your windows to bring clean, fresh air indoors GET A MONITOR |
Forecast
4139 Alpine Road, Portola Valley air quality index (AQI) forecast
| Day | Pollution level | Weather | Temperature | Wind |
|---|---|---|---|---|
| Friday, Apr 26 | Good 15 AQI US | |||
| Saturday, Apr 27 | Good 25 AQI US | |||
| Sunday, Apr 28 | Good 15 AQI US | |||
| Today | Good 19 AQI US |  | 64.4° 42.8° |  8.9 mp/h |
| Tuesday, Apr 30 | Good 15 AQI US | | 69.8° 44.6° | 8.9 mp/h |
| Wednesday, May 1 | Good 19 AQI US | | 69.8° 48.2° | 8.9 mp/h |
| Thursday, May 2 | Good 20 AQI US | | 66.2° 46.4° | 8.9 mp/h |
| Friday, May 3 | Good 14 AQI US |  100% | 53.6° 46.4° | 4.5 mp/h |
| Saturday, May 4 | Good 5 AQI US | 100% | 55.4° 44.6° | 6.7 mp/h |
| Sunday, May 5 | Good 4 AQI US | 30% | 57.2° 44.6° | 8.9 mp/h |
Interested in hourly forecast? Get the app
News
The latest air quality news and resources.
4139 Alpine Road 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 1
- Coalmine View 2
- Georgia Lane 8
- Ash Lane 10
- Lower Sandstone 12
- Alpine Road 14
- Pescadero 14
- Bay Laurel 15
- Hayfields Road 17
- Sausal Drive 17
- Alhambra Court 18
- Experimental Facilities Dept Shops EFD 18
- Los Trancos Road 18
- Pomponio Court 18
- 4139 Alpine Road 19
- Ladera - Lucero and Mimosa 19
- Vista Verde Way 19
- 3249 Alpine Road 20
- Alpine Hills 20
- Granada Court 20
- Millennium farm 20
- San Francisquito Creek Road 20
- Sandstone Street 20
- 10 Alhambra Court 21
- Buck Meadow Drive 21
- Loop Road 21
- 9 Valley Oak Street 22
- 14 Arastradero 23
- LSAC Building 950 23
- Antonio Court 34
AQI US, Metric