Air Quality in Saint Joseph, United States
Drizzle
20.8°C · 58.4% humidity
20.8°
Feels 20.8°
36
Good
Air quality is satisfactory. Enjoy outdoor activities.
1 station
Nearby Monitoring Stations
Saint Joseph's air quality — share it
AQI Forecast
25
4pm
25
25
36
7pm
33
31
29
10pm
28
27
26
1am
28
28
26
4am
25
25
25
7am
27
27
27
10am
27
27
34
1pm
27
27
Air Quality Index Trend
34h · 1 stnSaint Joseph's air quality is primarily affected by vehicle emissions and industrial activity. Seasonal wildfire smoke and weather patterns can cause periodic air quality deterioration. Current PM2.5 concentration in Saint Joseph is 1.7× the WHO annual guideline of 5 µg/m³.
58.4%
Humidity
49.8 km/h
Wind NE
1023.5 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
8.6 µg/m³
PM10
13.7 µg/m³
050100150200300500
What is the weather forecast for Saint Joseph?
Temperature & Precipitation
PM2.5 Trend
34h · 1 stationPM2.58.6 µg/m³
✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX0.7
Low
Station readings (1 station within 25 km)
8.6
Median
8.6
Average
8.6
Low
8.6
High
PM2.5 µg/m³ · Model: 6.0 · Bias: -2.6
What is the 7-day forecast for Saint Joseph?
05-29
31.7° 6.8°
0.25 mm
05-30
27.2° 17.8°
6.69 mm
05-31
28.6° 11.1°
0.62 mm
06-01
30.8° 16.0°
12.87 mm
06-02
32.0° 15.5°
0.62 mm
06-03
29.9° 23.5°
06-04
26.1° 19.7°
2.5 mm
Both models agree
Avg diff: 5.0°C
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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 2026-05-29T00:27 UTC.