Today | Weather | Tuesday, January 13, 2026

Weather in St. Joseph, Missouri

04:02 PM
Now
Rainy Weather
57° F
Feels Like 50°
Precipitation 51 %
Wind 15 mph
UV Index (0 - 11+) 0
Humidity 46 %
Today
Rainy Weather
Day 59°
Night 30°
Precipitation 58 %
Wind 8 mph
UV Index (0 - 11+) 2

St. Joseph Weather Forecast Updated

Last updated on

Air Quality in St. Joseph

NOW
33 AQI
Good air quality Dominant pollutant: O3

Pollutant Concentrations:

PM2.5 2.77 µg/m³
PM10 3.49 µg/m³
O3 0.035 ppm
NO2 2.7 ppb
SO2 0.6 ppb
CO 0.13 ppm
NH3 0.43 µg/m³
NO 0.11 µg/m³
PM2.5 – Fine particles <2.5μm
PM10 – Inhalable particles <10μm
O3 – Ozone
NO2 – Nitrogen dioxide
SO2 – Sulfur dioxide
CO – Carbon monoxide
NH3 – Ammonia
NO – Nitric oxide

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

Show raw pollutant concentrations (µg/m³)
PM2.52.77 µg/m³
PM103.49 µg/m³
O369.05 µg/m³
NO25.12 µg/m³
SO21.63 µg/m³
CO152.96 µg/m³
NH30.43 µg/m³
NO0.11 µg/m³