Air Quality in St. Marys, United States

Drizzle
21.1°C · 65.2% humidity
21.1°
Feels 21.1°
36
Good
Air quality is satisfactory. Enjoy outdoor activities.
Calibrated model

Nearby Monitoring Stations

AQI Forecast
27 8pm
34
34
36 11pm
34
34
34 2am
34
34
54 5am
54
54
54 8am
27
27
27 11am
27
27
27 2pm
34
34
34 5pm
34
34
AD 728×90

Air Quality Index Trend

46h · 2 stn

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

65.2%
Humidity
47.2 km/h
Wind NW
1011.4 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous
PM2.5
36
8.73 µg/m³
PM10
19
20.55 µg/m³
050100150200300500

Temperature & Precipitation

PM2.5 Trend

46h · 2 stations
PM2.58.73 µg/m³ ✓ WHO
Good
PM1020.55 µg/m³
Good
UV INDEX0.7
Low
AD 300×250
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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 2026-06-09T03:40 UTC.