Air Quality in Hazelwood, United States

Windy
28.5°C · 57.6% humidity
28.5°
Feels 31.9°
45
Good
Air quality is satisfactory. Enjoy outdoor activities.
5 stations

Nearby Monitoring Stations

AQI Forecast
34 5pm
34
27
45 8pm
40
36
34 11pm
32
28
26 2am
26
25
25 5am
25
24
25 8am
25
25
25 11am
27
27
27 2pm
27
27
AD 728×90

Air Quality Index Trend

43h · 6 stn

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

57.6%
Humidity
51.8 km/h
Wind NE
1011.6 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
45
10.71 µg/m³
PM10
13
13.7 µg/m³
050100150200300500

What is the weather forecast for Hazelwood?

Temperature & Precipitation

PM2.5 Trend

43h · 6 stations
PM2.510.71 µg/m³ ✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX0.7
Low
AD 300×250
Station readings (5 stations within 25 km)
10.71
Median
11.16
Average
8.6
Low
15.0
High
PM2.5 µg/m³ · Model: 7.35 · Bias: -3.4

What is the 7-day forecast for Hazelwood?

07-22
28.5° 22.7°
07-23
21.6° 20.4°
0.38 mm
07-24
30.3° 18.9°
0.5 mm
07-25
27.7° 20.1°
4.63 mm
07-26
33.3° 25.0°
0.62 mm
07-27
31.3° 22.7°
07-28
34.0° 26.5°
0.06 mm
Both models agree Avg diff: 3.5°C

Where are air quality stations near Hazelwood?

45
Forest Park, Missouri, USA
17.4 km PM2.5: 10.8 µg/m³
42
East St. Louis, Illinois, USA
25.5 km PM2.5: 10.1 µg/m³

What cities are near Hazelwood?

45 Florissant 45 Ferguson 42 Overland 43 Maryland Heights 42 Saint Charles 47 Old Jamestown 42 Creve Coeur 48 Spanish Lake 43 University City 42 Clayton
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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 2026-07-22T01:08 UTC.