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Air quality near Lower Sandstone, Portola Valley
Air quality index (AQI) and PM2.5 air pollution near Lower Sandstone, Portola Valley
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Air Quality Map
Real-time Lower Sandstone air pollution map
AIR QUALITY DATA CONTRIBUTORS
Find out more about contributors and data sourcesPollen
What is the pollen count in Lower Sandstone today?
 | Index | Very high | |
 | Tree pollen | Very high | |
 | Grass pollen | Low | |
 | Weed pollen | None |
Source: tomorrow.io
Weather
What is the current weather near Lower Sandstone, Portola Valley?
| Weather | Clear sky |
| Temperature | 69.8°F |
| Humidity | 44% |
| Wind | 12.7 mp/h |
| Pressure | 30 Hg |
live aqi city ranking
Real-time USA city ranking
| # | city | US AQI |
|---|---|---|
| 1 | San Antonio, Texas | 94 |
| 2 | San Bernardino, California | 85 |
| 3 | Boerne, Texas | 70 |
| 4 | San Fernando, California | 70 |
| 5 | Redlands, California | 69 |
| 6 | Yucaipa, California | 68 |
| 7 | Glendale, California | 67 |
| 8 | North Hollywood, California | 67 |
| 9 | Claremont, California | 65 |
| 10 | Hollywood, California | 65 |
(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 | 58 |
| 2 | 14 Arastradero | 18 |
| 3 | 4139 Alpine Road | 18 |
| 4 | San Francisquito Creek Road | 18 |
| 5 | 9 Valley Oak Street | 17 |
| 6 | Alhambra Court | 17 |
| 7 | Ladera - Lucero and Mimosa | 17 |
| 8 | 3249 Alpine Road | 16 |
| 9 | Alpine Hills | 16 |
| 10 | Granada Court | 16 |
(local time)
SEE WORLD AQI RANKING
US AQI
58
live AQI index
Moderate
Overview
What is the current air quality near Lower Sandstone, Portola Valley?
| Air pollution level | Air quality index | Main pollutant |
|---|---|---|
| Moderate | 58 US AQI | PM2.5 |
| Pollutants | Concentration | |
|---|---|---|
| PM2.5 | 15.5µg/m³ | |
Health Recommendations
What is the current air quality near Lower Sandstone, Portola Valley?
 | Sensitive groups should reduce outdoor exercise |
 | Close your windows to avoid dirty outdoor air GET A MONITOR |
 | Sensitive groups should wear a mask outdoors GET A MASK |
 | Sensitive groups should run an air purifier GET AN AIR PURIFIER |
Forecast
Lower Sandstone, Portola Valley air quality index (AQI) forecast
| Day | Pollution level | Weather | Temperature | Wind |
|---|---|---|---|---|
| Monday, Apr 29 | Good 35 AQI US  | |||
| Tuesday, Apr 30 | Good 33 AQI US | |||
| Wednesday, May 1 | Good 43 AQI US | |||
| Today | Moderate 58 AQI US | | 69.8° 48.2° |  8.9 mp/h |
| Friday, May 3 | Good 14 AQI US | | 66.2° 48.2° | 8.9 mp/h |
| Saturday, May 4 | Good 14 AQI US |  100% | 51.8° 41° | 8.9 mp/h |
| Sunday, May 5 | Good 11 AQI US | | 55.4° 41° | 8.9 mp/h |
| Monday, May 6 | Good 10 AQI US |  | 59° 41° | 8.9 mp/h |
| Tuesday, May 7 | Good 14 AQI US | | 64.4° 42.8° | 6.7 mp/h |
| Wednesday, May 8 | Good 16 AQI US | | 69.8° 46.4° | 6.7 mp/h |
Interested in hourly forecast? Get the app
Lower Sandstone 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 4
- Thomas Fogarty Winery 9
- Bay Laurel 10
- Alpine Road 11
- Hayfields Road 11
- Ash Lane 13
- Georgia Lane 13
- Pescadero 13
- Pomponio Court 13
- Sandstone Street 13
- 10 Alhambra Court 14
- Experimental Facilities Dept Shops EFD 14
- Sausal Drive 14
- Vista Verde Way 14
- Buck Meadow Drive 15
- Loop Road 15
- Los Trancos Road 15
- Millennium farm 15
- 3249 Alpine Road 16
- Alpine Hills 16
- Granada Court 16
- LSAC Building 950 16
- 9 Valley Oak Street 17
- Alhambra Court 17
- Ladera - Lucero and Mimosa 17
- 14 Arastradero 18
- 4139 Alpine Road 18
- San Francisquito Creek Road 18
- Lower Sandstone 58
AQI US, Metric