AddAir quality in Portola Valley
Air quality index (AQI⁺) and PM2.5 air pollution in Portola Valley • 23 Followers • 20:00, Jun 15 Local time
24
US AQI⁺Good
Main pollutant:
PM2.5
4.4 µg/m³
19°
3 km/h
81 %
Hourly forecast
Portola Valley air quality index (AQI⁺) forecast
Daily forecast
Portola Valley air quality index (AQI⁺) forecast
| Today | 37 |  | 26° 17° |  14 km/h | 62% |
| Tue | 32 | | 25° 12° | 17 km/h | 71% |
| Wed | 30 | | 25° 11° | 16 km/h | 64% |
Air pollutants
What is the current air quality in Portola Valley?
PM2.5 concentration currently meets the WHO annual PM2.5 guideline.
Health recommendations
 Enjoy outdoor activities |
 Open your windows to bring clean, fresh air indoors Get a monitor |
Protect yourself from air pollution in Portola Valley
Monitor the air you breathe
Get accurate AirVisual air quality readings and real-time insights for cleaner air. Monitors that reveal pollution sources, highlight when air purifier use is needed.
Medical grade air purifiers
Trusted worldwide, the HealthPro Series uses HyperHEPA technology. Filters ultrafine particles other air purifiers miss, delivering medical-grade protection.
Powerful, stylish air purifiers
Compact and powerful, the Atem Series combines Swiss engineering with high-performance air purification, filtering ultrafine particles with HyperHEPA technology.
Clean Air Facilities
Pollen
What is the pollen count in Portola Valley today?
Index
Low
 Tree Low | 25% |
 Grass Low | 25% |
 Weed Low | 25% |
Source:
wetter.comHealth recommendations
Enjoy outdoor activities |
Open your windows to bring clean, fresh air indoors Get a monitor |
Pollen
What is the pollen count in Portola Valley today?
Index
Low
Tree Low | 25% |
Grass Low | 25% |
Weed Low | 25% |
Source:
wetter.comProtect yourself from air pollution in Portola Valley
Monitor the air you breathe
Get accurate AirVisual air quality readings and real-time insights for cleaner air. Monitors that reveal pollution sources, highlight when air purifier use is needed.
Medical grade air purifiers
Trusted worldwide, the HealthPro Series uses HyperHEPA technology. Filters ultrafine particles other air purifiers miss, delivering medical-grade protection.
Powerful, stylish air purifiers
Compact and powerful, the Atem Series combines Swiss engineering with high-performance air purification, filtering ultrafine particles with HyperHEPA technology.
Most polluted locations near Portola Valley
Worldwide AQI⁺ ranking
Station ranking
Real-time AQI⁺ station ranking for stations in Portola Valley
City ranking
Real-time USA AQI⁺ city ranking
Historic air quality near Portola Valley
History
Historic air quality graph for Portola Valley
Historic air quality near Portola Valley
History
Historic air quality graph for Portola Valley
Clean Air Facilities
Most polluted locations near Portola Valley
Worldwide AQI⁺ rankingStation ranking
Real-time AQI⁺ station ranking for stations in Portola Valley
City ranking
Real-time USA AQI⁺ city ranking
Measure your own air quality
Get a monitor and contribute air quality data in your city.
Where is the cleanest air quality in Portola Valley?
- Georgia Lane13
- Hayfields Road16
- Alpine Hills20
- Brookside Drive20
- Central Portola Valley21
- Portola Road21
- Bay Laurel22
- Alpine Road 223
- Ash Lane23
- Lower Sandstone23
- 10 Alhambra Court26
- Alhambra Court26
- Buck Meadow Drive26
- Buckeye Court26
- Pomponio Court26
- 140 Fawn Ln27
- 9 Valley Oak Street27
- Granada Court station28
- Coalmine View51
