Hourly Weather | Today Tuesday, April 7, 2026
St. Joseph, Missouri
1 PM
Cloudy Weather
50°
Feels Like 43°
37
Humidity: 50%
UV Index: 2
Wind: 16 mph
2 PM
Cloudy Weather
52°
Feels Like 46°
6
Humidity: 50%
UV Index: 2
Wind: 16 mph
3 PM
Cloudy Weather
54°
Feels Like 46°
6
Humidity: 51%
UV Index: 2
Wind: 16 mph
4 PM
Cloudy Weather
55°
Feels Like 48°
6
Humidity: 51%
UV Index: 1
Wind: 16 mph
5 PM
Cloudy Weather
55°
Feels Like 48°
6
Humidity: 52%
UV Index: 1
Wind: 16 mph
6 PM
Cloudy Weather
55°
Feels Like 50°
6
Humidity: 50%
UV Index: 0
Wind: 14 mph
7 PM
Cloudy Weather
57°
Feels Like 54°
4
Humidity: 47%
UV Index: 0
Wind: 14 mph
8 PM
Cloudy Weather
57°
Feels Like 52°
0
Humidity: 47%
UV Index: 0
Wind: 15 mph
9 PM
Cloudy Weather
55°
Feels Like 48°
0
Humidity: 52%
UV Index: 0
Wind: 16 mph
10 PM
Cloudy Weather
54°
Feels Like 46°
0
Humidity: 56%
UV Index: 0
Wind: 16 mph
11 PM
Cloudy Weather
52°
Feels Like 45°
0
Humidity: 60%
UV Index: 0
Wind: 15 mph

Hourly Air Quality Forecast - AQI (US EPA)

1 PM
45 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 5.09 µg/m³
  • PM10: 5.52 µg/m³
  • O3: 0.049 ppm
  • NO2: 0.9 ppb
  • SO2: 0.6 ppb
  • CO: 0.14 ppm

Health Recommendations:

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

2 PM
48 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 8.06 µg/m³
  • PM10: 8.59 µg/m³
  • O3: 0.052 ppm
  • NO2: 0.9 ppb
  • SO2: 0.6 ppb
  • CO: 0.15 ppm

Health Recommendations:

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

3 PM
51 AQI
Moderate air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 11.01 µg/m³
  • PM10: 11.63 µg/m³
  • O3: 0.054 ppm
  • NO2: 1 ppb
  • SO2: 0.6 ppb
  • CO: 0.16 ppm

Health Recommendations:

Air quality is acceptable; some pollutants may pose a risk for a small number of unusually sensitive people.

4 PM
60 AQI
Moderate air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 14 µg/m³
  • PM10: 14.71 µg/m³
  • O3: 0.057 ppm
  • NO2: 1.2 ppb
  • SO2: 0.6 ppb
  • CO: 0.18 ppm

Health Recommendations:

Air quality is acceptable; some pollutants may pose a risk for a small number of unusually sensitive people.

5 PM
72 AQI
Moderate air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 16.29 µg/m³
  • PM10: 17.06 µg/m³
  • O3: 0.061 ppm
  • NO2: 1.4 ppb
  • SO2: 0.6 ppb
  • CO: 0.19 ppm

Health Recommendations:

Air quality is acceptable; some pollutants may pose a risk for a small number of unusually sensitive people.

6 PM
73 AQI
Moderate air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 16.38 µg/m³
  • PM10: 17.13 µg/m³
  • O3: 0.061 ppm
  • NO2: 1.6 ppb
  • SO2: 0.6 ppb
  • CO: 0.19 ppm

Health Recommendations:

Air quality is acceptable; some pollutants may pose a risk for a small number of unusually sensitive people.

7 PM
68 AQI
Moderate air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 15.96 µg/m³
  • PM10: 16.65 µg/m³
  • O3: 0.060 ppm
  • NO2: 1.9 ppb
  • SO2: 0.6 ppb
  • CO: 0.19 ppm

Health Recommendations:

Air quality is acceptable; some pollutants may pose a risk for a small number of unusually sensitive people.

8 PM
63 AQI
Moderate air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 14.78 µg/m³
  • PM10: 15.43 µg/m³
  • O3: 0.058 ppm
  • NO2: 2 ppb
  • SO2: 0.6 ppb
  • CO: 0.18 ppm

Health Recommendations:

Air quality is acceptable; some pollutants may pose a risk for a small number of unusually sensitive people.

9 PM
58 AQI
Moderate air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 12.96 µg/m³
  • PM10: 13.57 µg/m³
  • O3: 0.056 ppm
  • NO2: 1.8 ppb
  • SO2: 0.6 ppb
  • CO: 0.17 ppm

Health Recommendations:

Air quality is acceptable; some pollutants may pose a risk for a small number of unusually sensitive people.

10 PM
53 AQI
Moderate air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 11.09 µg/m³
  • PM10: 11.7 µg/m³
  • O3: 0.055 ppm
  • NO2: 1.6 ppb
  • SO2: 0.6 ppb
  • CO: 0.16 ppm

Health Recommendations:

Air quality is acceptable; some pollutants may pose a risk for a small number of unusually sensitive people.

11 PM
49 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 9.23 µg/m³
  • PM10: 9.86 µg/m³
  • O3: 0.053 ppm
  • NO2: 1.5 ppb
  • SO2: 0.6 ppb
  • CO: 0.15 ppm

Health Recommendations:

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