AddAir quality in McHenry County
Air quality index (AQI⁺) and PM2.5 air pollution in McHenry County • 1 Follower • 12:00, Jul 17 Local time
172
US AQI⁺Unhealthy
Main pollutant:
PM2.5
86 µg/m³
30°
7 km/h
67 %
Hourly forecast
McHenry County air quality index (AQI⁺) forecast
Daily forecast
McHenry County air quality index (AQI⁺) forecast
| Today | 156 | | 30° 20° |  12 km/h | 84% |
| Sat | 79 | | 29° 20° | 28 km/h | 78% |
| Sun | 153 |  | 27° 15° | 11 km/h | 72% |
Air pollutants
What is the current air quality in McHenry County?
PM2.5 concentration is currently 17.2 times the World Health Organization annual PM2.5 guideline value.
Health recommendations
 Avoid outdoor exercise |
 Close your windows to avoid dirty outdoor air Get a monitor |
 Wear a mask outdoors Get a mask |
 Run an air purifier Get an air purifier |
Protect yourself from air pollution in McHenry County
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 McHenry County today?
Index
High
 Tree None | 0% |
 Grass Moderate | 50% |
 Weed High | 75% |
Source:
wetter.comHealth recommendations
Avoid outdoor exercise |
Close your windows to avoid dirty outdoor air Get a monitor |
Wear a mask outdoors Get a mask |
Run an air purifier Get an air purifier |
Pollen
What is the pollen count in McHenry County today?
Index
High
Tree None | 0% |
Grass Moderate | 50% |
Weed High | 75% |
Source:
wetter.comProtect yourself from air pollution in McHenry County
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 McHenry County
Worldwide AQI⁺ ranking
Station ranking
Real-time AQI⁺ station ranking for stations in McHenry County
Historic air quality near McHenry County
History
Historic air quality graph for McHenry County
Historic air quality near McHenry County
History
Historic air quality graph for McHenry County
Most polluted locations near McHenry County
Worldwide AQI⁺ rankingStation ranking
Real-time AQI⁺ station ranking for stations in McHenry County
Measure your own air quality
Get a monitor and contribute air quality data in your city.
