Air Quality in McHenry, United States

Windy
16.8°C · 98.6% humidity
16.8°
Feels 16.8°
29
Good
Air quality is satisfactory. Enjoy outdoor activities.
Calibrated model

Nearby Monitoring Stations

AQI Forecast Calibrated
30 8pm
32
19
19 11pm
19
19
31 2am
31
31
31 5am
19
6
6 8am
6
19
19 11am
19
19
19 2pm
19
19
19 5pm
31
31
Station readings
30
32
CAMS model adj -6
37
25
25
25
25
25
37
37
37
37
25
12
12
12
25
25
25
25
25
25
25
25
37
37
AD 728×90

PM2.5 Trend (24h)

23h · 81 stations
98.6%
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

PM2.56.96 µg/m³ ✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX0.7
Low
AD 300×250

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

What cities are near McHenry?

29 Crystal Lake 29 Cary 29 Round Lake 29 Round Lake Beach 29 Lake in the Hills 29 Grayslake 29 Algonquin 30 Lake Zurich 29 Huntley 30 Mundelein

Data sources: AQI from ground-level monitoring stations via AQICN. Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-04-09T23:07 UTC.