Air Quality in Grayslake, United States

Windy
18.6°C · 49.4% humidity
18.6°
Feels 18.6°
27
Good
Air quality is satisfactory. Enjoy outdoor activities.
2 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
31 8am
31
31
27 11am
11
11
4 2pm
4
4
2 5pm
2
2
31 8pm
31
11
11 11pm
11
11
31 2am
31
31
31 5am
31
31
Station readings
31
26
25
CAMS model adj -23
54
54
54
54
34
34
27
27
27
25
25
25
54
54
34
34
34
34
54
54
54
54
54
54
AD 728×90

Air Quality Index Trend

47h · 1 stn

Grayslake's air quality is primarily affected by vehicle emissions and industrial activity. Seasonal wildfire smoke and weather patterns can cause periodic air quality deterioration.

49.4%
Humidity
58.2 km/h
Wind NW
1020.3 hPa
Pressure
10.9
UV Extreme
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
27
6.5 µg/m³
PM10
13
13.7 µg/m³
050100150200300500

What is the weather forecast for Grayslake?

Temperature & Precipitation

PM2.5 Trend

47h · 1 station
PM2.56.5 µg/m³ ✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX10.9
Extreme
AD 300×250
Station readings (2 stations within 25 km)
6.5
Median
6.5
Average
5.8
Low
7.2
High
PM2.5 µg/m³ · Model: 10.85 · Bias: +4.3

What is the 7-day forecast for Grayslake?

09-05
18.6° 15.4°
09-06
26.2° 10.5°
0.06 mm
09-07
22.6° 15.4°
1.25 mm
09-08
21.1° 12.5°
7.69 mm
09-09
28.6° 14.1°
1.0 mm
09-10
24.4° 15.1°
0.31 mm
09-11
24.8° 15.0°
1.0 mm
Both models agree Avg diff: 6.8°C

Where are air quality stations near Grayslake?

–
a08-968758
12.1 km PM2.5: 0.0 µg/m³ PM10: 0.0 µg/m³
26
Cary, Illinois, USA
21.4 km PM2.5: 6.2 µg/m³
24
Cary, Illinois, USA
21.4 km PM2.5: 5.8 µg/m³
23
Chiwaukee, Wisconsin, USA
26.1 km PM2.5: 5.5 µg/m³
58
Chiwaukee, Wisconsin, USA
26.1 km PM2.5: 15.4 µg/m³
25
Chiwaukee, Wisconsin, USA
26.1 km PM2.5: 6.0 µg/m³
23
Northbrk, Illinois, USA
30.2 km PM2.5: 5.5 µg/m³

What cities are near Grayslake?

27 Round Lake 27 Round Lake Beach 26 Mundelein 25 Libertyville 22 Gurnee 25 Vernon Hills 22 Waukegan 23 North Chicago 26 Lake Zurich 27 McHenry
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Data sources: AQI from ground-level monitoring stations via AQICN. Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-09-05T16:32 UTC.