Be the first to measure and contribute air quality data to your community
Air Quality 
Air Monitors
Air Purifiers
For Business
News
Support
Air quality in McHenry
Air quality index (AQI) and PM2.5 air pollution in McHenry
252 people follow this city
McHenry Air Quality Map
Real-time McHenry air pollution map
AIR QUALITY DATA SOURCE
* AQI modeled using satellite data Learn more
Pollen
What is the pollen count in McHenry today?
 | Index | Very high | |
 | Tree pollen | Very high | |
 | Grass pollen | High | |
 | Weed pollen | None |
Source: tomorrow.io
Weather
What is the current weather in McHenry?
| Weather | Broken clouds |
| Temperature | 59°F |
| Humidity | 91% |
| Wind | 6 mp/h |
| Pressure | 29.9 Hg |
live aqi city ranking
Real-time USA city ranking
| # | city | US AQI |
|---|---|---|
| 1 |  San Antonio, Texas | 97 |
| 2 | Baytown, Texas | 81 |
| 3 | Boerne, Texas | 81 |
| 4 | New Braunfels, Texas | 81 |
| 5 | Pahrump, Nevada | 80 |
| 6 | Fontana, California | 79 |
| 7 | San Fernando, California | 78 |
| 8 | San Bernardino, California | 76 |
| 9 | La Crescenta-Montrose, California | 74 |
| 10 | Rancho Cucamonga, California | 73 |
(local time)
SEE WORLD AQI RANKING
3D animated air pollution map
US AQI
55*
live AQI index
Moderate
Overview
What is the current air quality in McHenry?
| Air pollution level | Air quality index | Main pollutant |
|---|---|---|
| Moderate | 55* US AQI | PM2.5 |
| Pollutants | Concentration | |
|---|---|---|
| PM2.5 | 11.1*µg/m³ | |
!
PM2.5
x2.2
PM2.5 concentration in McHenry is currently 2.2 times the WHO annual air quality guideline value
Health Recommendations
What is the current air quality in McHenry?
 | Sensitive groups should reduce outdoor exercise |
 | Close your windows to avoid dirty outdoor air GET A MONITOR |
 | Sensitive groups should wear a mask outdoors GET A MASK |
 | Sensitive groups should run an air purifier GET AN AIR PURIFIER |
Forecast
McHenry air quality index (AQI) forecast
| Day | Pollution level | Weather | Temperature | Wind |
|---|---|---|---|---|
| Today | Moderate 55 AQI US |  100% | 68° 57.2° |  6.7 mp/h |
| Sunday, Jun 2 | Moderate 59 AQI US | | 75.2° 51.8° | 6.7 mp/h |
| Monday, Jun 3 | Moderate 68 AQI US | 100% | 77° 55.4° | 15.7 mp/h |
| Tuesday, Jun 4 | Moderate 59 AQI US | 60% | 78.8° 66.2° | 11.2 mp/h |
| Wednesday, Jun 5 | Good 42 AQI US  | 100% | 73.4° 64.4° | 13.4 mp/h |
| Thursday, Jun 6 | Good 13 AQI US | 90% | 66.2° 57.2° | 17.9 mp/h |
| Friday, Jun 7 | Good 8 AQI US | 40% | 71.6° 53.6° | 17.9 mp/h |
| Saturday, Jun 8 | Good 9 AQI US | | 57.2° 48.2° | 15.7 mp/h |
Interested in hourly forecast? Get the app
News
The latest air quality news and resources.
How to best protect from air pollution?
Where is the cleanest air quality in McHenry?
No locations are available.
AQI US, Metric