Air Quality in Hazelwood, United States
Windy
25.9°C · 44.9% humidity
25.9°
Feels 25.9°
40
Good
Air quality is satisfactory. Enjoy outdoor activities.
1 station
Nearby Monitoring Stations
Hazelwood's air quality — share it
AQI Forecast
Calibrated
28
6pm
28
28
40
9pm
37
34
32
12am
31
30
30
3am
29
29
29
6am
28
8
28
9am
28
28
28
12pm
28
8
8
3pm
8
8
Station readings
48h ago
AQI 28
PM2.5 6.7 µg/m³ · 48h ago
Air Quality Index Trend
36h · 6 stnHazelwood's air quality is primarily affected by vehicle emissions and industrial activity. Seasonal wildfire smoke and weather patterns can cause periodic air quality deterioration.
44.9%
Humidity
58.4 km/h
Wind NE
1017.8 hPa
Pressure
5.9
UV High
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
9.6 µg/m³
PM10
20.55 µg/m³
050100150200300500
What is the weather forecast for Hazelwood?
Temperature & Precipitation
PM2.5 Trend
36h · 6 stationsPM2.59.6 µg/m³
✓ WHO
Good
PM1020.55 µg/m³
Good
UV INDEX5.9
High
Station readings (1 station within 25 km)
9.6
Median
9.6
Average
9.6
Low
9.6
High
PM2.5 µg/m³ · Model: 10.0 · Bias: +0.4
What is the 7-day forecast for Hazelwood?
08-03
30.6° 20.4°
08-04
35.6° 19.3°
08-05
36.9° 16.4°
11.56 mm
08-06
40.3° 20.6°
2.38 mm
08-07
33.7° 22.2°
08-08
37.4° 24.3°
1.44 mm
08-09
39.7° 25.3°
0.31 mm
Both models agree
Avg diff: 3.7°C
Where are air quality stations near Hazelwood?
55
Ladue, Missouri, USA
34
Ladue, Missouri, USA
43
Forest Park, Missouri, USA
50
Blair Street, Missouri, USA
42
East St. Louis, Illinois, USA
What cities are near Hazelwood?
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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 2026-08-08T02:09 UTC.