AddAir quality in Portola Valley
Air quality index (AQI⁺) and PM2.5 air pollution in Portola Valley • 22 Followers • 01:00, Jun 12 Local time
24
US AQI⁺Good
Main pollutant:
PM2.5
4.4 µg/m³
22°
4 km/h
55 %
Hourly forecast
Portola Valley air quality index (AQI⁺) forecast
Daily forecast
Portola Valley air quality index (AQI⁺) forecast
| Today | 45 |  | 29° 15° |  13 km/h | 54% |
| Sat | 59 | | 30° 14° | 11 km/h | 42% |
| Sun | 35 | | 29° 13° | 13 km/h | 47% |
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
- Brookside Drive14
- Portola Road16
- Bay Laurel17
- 9 Valley Oak Street19
- Central Portola Valley19
- Buck Meadow Drive20
- Crescent Avenue21
- Hayfields Road21
- Ash Lane22
- Alpine Road 223
- Buckeye Court24
- Pomponio Court25
- Alpine Hills27
- Lower Sandstone28
- 10 Alhambra Court34
- Granada Court station35
- Alhambra Court37
- 140 Fawn Ln38
- Coalmine View52
