Air Quality in McHenry, United States
Windy
16.8°C · 98.6% humidity
16.8°
Feels 16.8°
22
Good
Air quality is satisfactory. Enjoy outdoor activities.
Calibrated model
Nearby Monitoring Stations
AQI Forecast
Calibrated
28
7pm
30
17
17
10pm
17
17
17
1am
29
29
29
4am
29
17
4
7am
4
4
17
10am
17
17
17
1pm
17
17
17
4pm
17
29
Station readings
28
30
CAMS model
adj -8
37
37
25
25
25
25
25
37
37
37
37
25
12
12
12
25
25
25
25
25
25
25
25
37
PM2.5 Trend (24h)
23h · 81 stations98.6%
Humidity
103.7 km/h
Wind SSW
1014.7 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous
What is the weather forecast for McHenry?
Temperature & Precipitation
PM2.55.31 µg/m³
✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX0.7
Low
What is the 7-day forecast for McHenry?
04-09
17.1° 10.0°
04-10
16.8° 5.9°
4.88 mm
04-11
10.5° 2.1°
9.75 mm
04-12
16.4° 7.4°
2.69 mm
04-13
24.3° 16.1°
0.25 mm
04-14
23.4° 13.6°
58.56 mm
04-15
12.8° 4.3°
0.13 mm
Both models agree
Avg diff: 6.9°C
Where are air quality stations near McHenry?
What cities are near McHenry?
Data sources: AQI from ground-level monitoring stations via AQICN. Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-04-09T22:11 UTC.