Air Quality in Prospect Heights, United States

Windy
17.8°C · 81.8% humidity
17.8°
Feels 17.8°
27
Good
Air quality is satisfactory. Enjoy outdoor activities.
56 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
30 5pm
29
29
33 8pm
33
33
33 11pm
33
46
46 2am
46
46
46 5am
46
33
21 8am
8
8
21 11am
21
21
21 2pm
33
33
Station readings
30
29
29
CAMS model adj -4
37
37
37
37
37
37
37
37
50
50
50
50
50
50
37
25
12
12
25
25
25
25
37
37
AD 728×90

PM2.5 Trend (24h)

24h · 272 stations
81.8%
Humidity
94.2 km/h
Wind SW
1017.0 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Temperature & Precipitation

PM2.56.38 µg/m³ ✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX0.7
Low
AD 300×250
6.38
Median
6.43
Average
5.67
Low
8.85
High
PM2.5 µg/m³ · Model: 7.4 · Bias: +1.0
04-09
17.8° 10.6°
04-10
17.8° 5.5°
9.94 mm
04-11
8.1° 3.1°
15.38 mm
04-12
17.1° 7.9°
4.0 mm
04-13
24.9° 16.6°
0.5 mm
04-14
24.3° 15.6°
32.31 mm
04-15
13.1° 3.7°
0.19 mm

Data sources: AQI from ground-level monitoring stations via AQICN. Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-04-09T20:29 UTC.