Air Quality in Webster Groves, United States

Windy
25.9°C · 44.9% humidity
25.9°
Feels 25.9°
43
Good
Air quality is satisfactory. Enjoy outdoor activities.
3 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
25 7pm
25
25
43 10pm
38
34
32 1am
30
28
27 4am
27
26
26 7am
26
25
25 10am
25
25
25 1pm
25
25
25 4pm
25
25
Station readings 49h ago
AQI 25
PM2.5 6.0 µg/m³ · 49h ago
AD 728×90

Air Quality Index Trend

36h · 6 stn

Webster Groves'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▲
43
10.31 µg/m³
PM10
19
20.55 µg/m³
050100150200300500

What is the weather forecast for Webster Groves?

Temperature & Precipitation

PM2.5 Trend

36h · 6 stations
PM2.510.31 µg/m³ ✓ WHO
Good
PM1020.55 µg/m³
Good
UV INDEX5.9
High
AD 300×250
Station readings (3 stations within 25 km)
10.31
Median
11.7
Average
9.6
Low
13.5
High
PM2.5 µg/m³ · Model: 10.85 · Bias: +0.5

What is the 7-day forecast for Webster Groves?

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: 3.8°C

Where are air quality stations near Webster Groves?

55
Ladue, Missouri, USA
6.4 km PM2.5: 14.0 µg/m³
23
Ladue, Missouri, USA
6.4 km PM2.5: 5.5 µg/m³
36
Forest Park, Missouri, USA
7.9 km PM2.5: 8.6 µg/m³
41
Blair Street, Missouri, USA
15.5 km PM2.5: 9.8 µg/m³
31
Arnold West, Missouri, USA
16.4 km PM2.5: 7.4 µg/m³
35
Arnold West, Missouri, USA
16.4 km PM2.5: 8.4 µg/m³
36
East St. Louis, Illinois, USA
17.2 km PM2.5: 8.6 µg/m³

What cities are near Webster Groves?

44 Kirkwood 47 Affton 40 Clayton 48 Concord 41 University City 49 Lemay 42 Creve Coeur 49 Mehlville 41 Overland 44 Manchester
Get AQI alerts for Webster Groves

Notify me when air quality reaches:

Free · No account · Unsubscribe any time

Data sources: AQI from ground-level monitoring stations via AQICN. Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-08-08T03:04 UTC.