AddAir quality in Pen
Air quality index (AQI⁺) and PM2.5 air pollution in Pen • 431 Followers • 23:30, Oct 24 Local time
131*
US AQI⁺Unhealthy for sensitive groups
Main pollutant:
PM2.5
47.7 µg/m³
27°
3 km/h
67 %
Hourly forecast
Pen air quality index (AQI⁺) forecast
Daily forecast
Pen air quality index (AQI⁺) forecast
| Today | 131 |  | 35° 25° |  16 km/h | 56% |
| Mon | 104 |  | 35° 25° | 16 km/h | 55% |
| Tue | 102 | | 36° 25° | 14 km/h | 44% |
Air pollutants
What is the current air quality in Pen?
PM2.5 concentration is currently 9.5 times the World Health Organization annual PM2.5 guideline value.
Health recommendations
 Reduce outdoor exercise |
 Close your windows to avoid dirty outdoor air Get a monitor |
 Sensitive groups should wear a mask outdoors Get a mask |
 Run an air purifier Get an air purifier |
Protect yourself from air pollution in Pen
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.
Health recommendations
Reduce outdoor exercise |
Close your windows to avoid dirty outdoor air Get a monitor |
Sensitive groups should wear a mask outdoors Get a mask |
Run an air purifier Get an air purifier |
Protect yourself from air pollution in Pen
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 Pen
Worldwide AQI⁺ ranking
Historic air quality near Pen
History
Historic air quality graph for Pen
Historic air quality near Pen
History
Historic air quality graph for Pen
Most polluted locations near Pen
Worldwide AQI⁺ ranking
