Air Quality in Saint Joseph, United States
Windy
6.8°C · 81.9% humidity
6.8°
Feels -0.0°
26
Good
Air quality is satisfactory. Enjoy outdoor activities.
1 station
Nearby Monitoring Stations
AQI Forecast
25
6am
25
27
26
9am
27
27
27
12pm
34
27
27
3pm
27
27
27
6pm
27
27
27
9pm
27
27
27
12am
27
27
27
3am
27
27
Air Quality Index Trend
33h · 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 1.2× the WHO annual guideline of 5 µg/m³.
81.9%
Humidity
75.7 km/h
Wind ENE
1028.9 hPa
Pressure
4.4
UV Moderate
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
6.2 µg/m³
PM10
13.7 µg/m³
050100150200300500
What is the weather forecast for Saint Joseph?
Temperature & Precipitation
PM2.5 Trend
33h · 1 stationPM2.56.2 µg/m³
✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX4.4
Moderate
Station readings (1 station within 25 km)
6.2
Median
6.2
Average
6.2
Low
6.2
High
PM2.5 µg/m³ · Model: 6.5 · Bias: +0.3
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: 4.6°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 2026-05-29T14:29 UTC.