AddAir quality in Johnstown
Air quality index (AQI⁺) and PM2.5 air pollution in Johnstown • 698 Followers • 15:00, Nov 13
30
US AQI⁺Good
Main pollutant:
O₃
64 µg/m³
4°
18 km/h
68 %
Hourly forecast
Johnstown air quality index (AQI⁺) forecast
Daily forecast
Johnstown air quality index (AQI⁺) forecast
| Today | 32 | | 5° 0° |  20 km/h | 79% |
| Sat | 30 | | 3° 0° | 22 km/h | 94% |
| Sun | 36 | | 5° 3° | 16 km/h | 91% |
Air pollutants
What is the current air quality in Johnstown?
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 Johnstown
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
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Pollen
What is the pollen count in Johnstown today?
Index
None
 Tree None | 0% |
 Grass None | 0% |
 Weed None | 0% |
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 Johnstown today?
Index
None
Tree None | 0% |
Grass None | 0% |
Weed None | 0% |
Source:
wetter.comProtect yourself from air pollution in Johnstown
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 Johnstown
Worldwide AQI⁺ ranking
Historic air quality near Johnstown
History
Historic air quality graph for Johnstown
Historic air quality near Johnstown
History
Historic air quality graph for Johnstown
Most polluted locations near Johnstown
Worldwide AQI⁺ ranking
Measure your own air quality
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