Air Quality in Mehlville, United States

Windy
30.4°C · 46.7% humidity
30.4°
Feels 33.1°
35
Good
Air quality is satisfactory. Enjoy outdoor activities.
1 station

Nearby Monitoring Stations

AQI Forecast
54 8am
54
54
35 11am
40
44
47 2pm
29
30
51 5pm
52
53
33 8pm
33
34
34 11pm
34
27
25 2am
25
25
25 5am
25
25
AD 728×90

Air Quality Index Trend

37h · 3 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.

46.7%
Humidity
46.3 km/h
Wind E
1012.4 hPa
Pressure
19.9
UV Extreme
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
35
8.4 µg/m³
PM10
19
20.55 µg/m³
050100150200300500

What is the weather forecast for Mehlville?

Temperature & Precipitation

PM2.5 Trend

37h · 3 stations
PM2.58.4 µg/m³ ✓ WHO
Good
PM1020.55 µg/m³
Good
UV INDEX19.9
Extreme
AD 300×250
Station readings (1 station within 25 km)
8.4
Median
8.4
Average
8.4
Low
8.4
High
PM2.5 µg/m³ · Model: 10.85 · Bias: +2.5

What is the 7-day forecast for Mehlville?

07-21
31.4° 22.7°
07-22
28.6° 20.8°
07-23
21.7° 18.7°
0.31 mm
07-24
29.0° 17.6°
1.25 mm
07-25
28.2° 19.8°
1.75 mm
07-26
32.0° 22.9°
3.19 mm
07-27
29.0° 21.5°
Both models agree Avg diff: 3.7°C

Where are air quality stations near Mehlville?

89
Arnold West, Missouri, USA
9.4 km PM2.5: 30.2 µg/m³
56
Arnold West, Missouri, USA
9.4 km PM2.5: 14.5 µg/m³
30
Forest Park, Missouri, USA
14.1 km PM2.5: 7.2 µg/m³
44
East St. Louis, Illinois, USA
18.2 km PM2.5: 10.6 µg/m³

What cities are near Mehlville?

35 Concord 35 Oakville 35 Lemay 35 Affton 35 Webster Groves 35 Kirkwood 35 Clayton 35 University City 35 St. Louis 45 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 2026-07-21T16:56 UTC.