AddAir quality in Portola Valley
Air quality index (AQI⁺) and PM2.5 air pollution in Portola Valley • 23 Followers • 11:00, Jun 15 Local time
34
US AQI⁺Good
Main pollutant:
PM2.5
6.1 µg/m³
21°
4 km/h
71 %
Hourly forecast
Portola Valley air quality index (AQI⁺) forecast
Daily forecast
Portola Valley air quality index (AQI⁺) forecast
| Today | 34 | | 24° 14° |  11 km/h | 75% |
| Tue | 41 | | 26° 17° | 14 km/h | 62% |
| Wed | 29 | | 25° 12° | 17 km/h | 71% |
Air pollutants
What is the current air quality in Portola Valley?
PM2.5 concentration is currently 1.2 times the World Health Organization annual PM2.5 guideline value.
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
High
 Tree Low | 25% |
 Grass Low | 25% |
 Weed High | 75% |
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
High
Tree Low | 25% |
Grass Low | 25% |
Weed High | 75% |
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
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
Measure your own air quality
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