Air Quality in Mehlville, United States

Rain
21.9°C · 96.2% humidity
21.9°
Feels 21.9°
41
Good
Air quality is satisfactory. Enjoy outdoor activities.
6 stations

Nearby Monitoring Stations

AQI Forecast
54 9am
54
34
41 12pm
39
38
37 3pm
36
35
35 6pm
35
54
54 9pm
54
54
54 12am
54
54
54 3am
54
54
54 6am
54
27
AD 728×90

Air Quality Index Trend

45h · 6 stn

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

96.2%
Humidity
23.1 km/h
Wind NE
1018.6 hPa
Pressure
19.9
UV Extreme
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
41
9.9 µg/m³
PM10
13
13.7 µg/m³
050100150200300500

What is the weather forecast for Mehlville?

Temperature & Precipitation

PM2.5 Trend

45h · 6 stations
PM2.59.9 µg/m³ ✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX19.9
Extreme
AD 300×250
Station readings (6 stations within 25 km)
9.9
Median
9.47
Average
5.0
Low
12.6
High
PM2.5 µg/m³ · Model: 8.2 · Bias: -1.7

What is the 7-day forecast for Mehlville?

09-05
27.5° 20.2°
3.88 mm
09-06
36.5° 19.6°
2.75 mm
09-07
30.0° 20.8°
09-08
24.3° 20.5°
4.19 mm
09-09
25.3° 15.2°
4.25 mm
09-10
33.5° 19.5°
0.13 mm
09-11
38.5° 19.9°
0.06 mm
Both models agree Avg diff: 6.2°C

Where are air quality stations near Mehlville?

68
Arnold West, Missouri, USA
9.4 km PM2.5: 20.2 µg/m³
46
Arnold West, Missouri, USA
9.4 km PM2.5: 11.0 µg/m³
51
Arnold West, Missouri, USA
9.4 km PM2.5: 12.1 µg/m³
72
Arnold West, Missouri, USA
9.4 km PM2.5: 22.1 µg/m³
49
Arnold West, Missouri, USA
9.4 km PM2.5: 11.8 µg/m³
28
Forest Park, Missouri, USA
14.1 km PM2.5: 6.7 µg/m³
21
Ladue, Missouri, USA
16.0 km PM2.5: 5.0 µg/m³
49
East St. Louis, Illinois, USA
18.2 km PM2.5: 11.8 µg/m³
52
East St. Louis, Illinois, USA
18.2 km PM2.5: 12.6 µg/m³
48
Branch Street, Missouri, USA
20.1 km PM2.5: 11.5 µg/m³

What cities are near Mehlville?

40 Concord 44 Oakville 39 Lemay 36 Affton 30 Webster Groves 32 Kirkwood 25 Clayton 27 University City 44 St. Louis 31 Manchester
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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 2026-09-05T17:11 UTC.