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Air quality near Loop Road, Portola Valley
Air quality index (AQI) and PM2.5 air pollution near Loop Road, Portola Valley
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Air Quality Map
Real-time Loop Road air pollution map
AIR QUALITY DATA CONTRIBUTORS
Find out more about contributors and data sourcesPollen
What is the pollen count in Loop Road today?
 | Index | Low | |
 | Tree pollen | Low | |
 | Grass pollen | Low | |
 | Weed pollen | None |
Source: tomorrow.io
Weather
What is the current weather near Loop Road, Portola Valley?
| Weather | Clear sky |
| Temperature | 66.2°F |
| Humidity | 47% |
| Wind | 13.8 mp/h |
| Pressure | 30 Hg |
live aqi city ranking
Real-time USA city ranking
| # | city | US AQI |
|---|---|---|
| 1 | Allentown, Pennsylvania | 67 |
| 2 | Bethlehem, Pennsylvania | 66 |
| 3 | Mecca, California | 63 |
| 4 | Quakertown, Pennsylvania | 63 |
| 5 | Coopersburg, Pennsylvania | 62 |
| 6 | Lewisville, Texas | 62 |
| 7 | Big Bear Lake, California | 61 |
| 8 | Saint Clair, Pennsylvania | 61 |
| 9 | Philadelphia, Pennsylvania | 59 |
| 10 | Wichita, Kansas | 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 | Lower Sandstone | 49 |
| 2 | 4139 Alpine Road | 35 |
| 3 | 14 Arastradero | 23 |
| 4 | LSAC Building 950 | 22 |
| 5 | Alhambra Court | 21 |
| 6 | 10 Alhambra Court | 20 |
| 7 | 9 Valley Oak Street | 20 |
| 8 | Granada Court | 20 |
| 9 | Los Trancos Road | 20 |
| 10 | San Francisquito Creek Road | 20 |
(local time)
SEE WORLD AQI RANKING
US AQI
18
live AQI index
Good
Overview
What is the current air quality near Loop Road, Portola Valley?
| Air pollution level | Air quality index | Main pollutant |
|---|---|---|
| Good | 18 US AQI | PM2.5 |
| Pollutants | Concentration | |
|---|---|---|
| PM2.5 | 4.4µg/m³ | |
Health Recommendations
What is the current air quality near Loop Road, Portola Valley?
 | Enjoy outdoor activities |
 | Open your windows to bring clean, fresh air indoors GET A MONITOR |
Forecast
Loop Road, Portola Valley air quality index (AQI) forecast
| Day | Pollution level | Weather | Temperature | Wind |
|---|---|---|---|---|
| Saturday, Apr 27 | Good 10 AQI US | |||
| Sunday, Apr 28 | Good 13 AQI US | |||
| Monday, Apr 29 | Good 17 AQI US | |||
| Today | Good 18 AQI US | | 66.2° 44.6° |  8.9 mp/h |
| Wednesday, May 1 | Good 16 AQI US | | 69.8° 46.4° | 8.9 mp/h |
| Thursday, May 2 | Good 16 AQI US | | 69.8° 50° | 8.9 mp/h |
| Friday, May 3 | Good 17 AQI US |  | 68° 50° | 8.9 mp/h |
| Saturday, May 4 | Good 14 AQI US |  100% | 51.8° 44.6° | 11.2 mp/h |
| Sunday, May 5 | Good 6 AQI US | 40% | 51.8° 46.4° | 15.7 mp/h |
| Monday, May 6 | Good 11 AQI US |  | 59° 46.4° | 11.2 mp/h |
| Tuesday, May 7 | Good 14 AQI US | | 64.4° 46.4° | 8.9 mp/h |
Interested in hourly forecast? Get the app
News
The latest air quality news and resources.
Loop Road air quality data attribution
Contributor
Anonymous Contributor
Data source
Data validated and calibrated by IQAirWhere is the cleanest air quality in Portola Valley?
- Coalmine View 2
- Thomas Fogarty Winery 3
- Alpine Road 12
- Bay Laurel 13
- Georgia Lane 13
- Hayfields Road 13
- Ash Lane 15
- Experimental Facilities Dept Shops EFD 16
- Pomponio Court 16
- Alpine Hills 17
- Buck Meadow Drive 17
- Millennium farm 17
- Pescadero 17
- Sandstone Street 17
- Vista Verde Way 17
- Loop Road 18
- Sausal Drive 18
- 3249 Alpine Road 19
- Ladera - Lucero and Mimosa 19
- 10 Alhambra Court 20
- 9 Valley Oak Street 20
- Granada Court 20
- Los Trancos Road 20
- San Francisquito Creek Road 20
- Alhambra Court 21
- LSAC Building 950 22
- 14 Arastradero 23
- 4139 Alpine Road 35
- Lower Sandstone 49
AQI US, Metric