Air Quality in St. Marys, United States

Drizzle
21.1°C · 65.2% humidity
21.1°
Feels 21.1°
34
Good
Air quality is satisfactory. Enjoy outdoor activities.
Calibrated model

Nearby Monitoring Stations

AQI Forecast
34 10pm
34
34
34 1am
34
34
34 4am
54
54
54 7am
54
27
27 10am
27
27
27 1pm
27
34
34 4pm
34
34
34 7pm
34
34
AD 728×90

Air Quality Index Trend

48h · 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
34
8.07 µg/m³
PM10
19
20.55 µg/m³
050100150200300500

Temperature & Precipitation

PM2.5 Trend

48h · 2 stations
PM2.58.07 µg/m³ ✓ WHO
Good
PM1020.55 µg/m³
Good
UV INDEX0.7
Low
AD 300×250
06-09
26.4° 21.1°
2.0 mm
06-10
35.7° 24.9°
0.25 mm
06-11
26.2° 23.8°
11.19 mm
06-12
32.5° 25.2°
06-13
29.8° 25.0°
1.81 mm
06-14
34.2° 23.6°
3.69 mm
06-15
35.0° 23.0°
2.06 mm
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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 2026-06-09T05:10 UTC.