AddAir quality in Johnston
Air quality index (AQI⁺) and PM2.5 air pollution in Johnston • 3 Followers • 20:00, May 31
22*
US AQI⁺Good
Main pollutant:
PM2.5
4 µg/m³
20°
10 km/h
90 %
Hourly forecast
Johnston air quality index (AQI⁺) forecast
Daily forecast
Johnston air quality index (AQI⁺) forecast
| Today | 53 |  | 28° 19° |  11 km/h | 80% |
| Mon | 59 | | 23° 13° | 27 km/h | 82% |
| Tue | 55 |  | 26° 12° | 19 km/h | 44% |
Air pollutants
What is the current air quality in Johnston?
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 Johnston
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.
Pollen
What is the pollen count in Johnston today?
Index
Moderate
 Tree Low | 25% |
 Grass Moderate | 50% |
 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 Johnston today?
Index
Moderate
Tree Low | 25% |
Grass Moderate | 50% |
Weed Low | 25% |
Source:
wetter.comProtect yourself from air pollution in Johnston
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 Johnston
Worldwide AQI⁺ ranking
Historic air quality near Johnston
History
Historic air quality graph for Johnston
Historic air quality near Johnston
History
Historic air quality graph for Johnston
Most polluted locations near Johnston
Worldwide AQI⁺ ranking
