Hourly Weather | Today Thursday, February 26, 2026
Dayton, Ohio
5 AM
Snowy Weather
30°
Feels Like 27°
48
Humidity: 74%
UV Index: 0
Wind: 6 mph
6 AM
Cloudy Weather
30°
Feels Like 27°
42
Humidity: 76%
UV Index: 0
Wind: 6 mph
7 AM
Snowy Weather
34°
Feels Like 28°
65
Humidity: 66%
UV Index: 0
Wind: 6 mph
8 AM
Cloudy Weather
34°
Feels Like 30°
49
Humidity: 68%
UV Index: 0
Wind: 6 mph
9 AM
Snowy Weather
36°
Feels Like 30°
66
Humidity: 66%
UV Index: 1
Wind: 6 mph
10 AM
Cloudy Weather
37°
Feels Like 36°
49
Humidity: 62%
UV Index: 1
Wind: 6 mph
11 AM
Snowy Weather
39°
Feels Like 37°
59
Humidity: 57%
UV Index: 1
Wind: 5 mph
12 PM
Cloudy Weather
43°
Feels Like 45°
49
Humidity: 51%
UV Index: 1
Wind: 5 mph
1 PM
Cloudy Weather
45°
Feels Like 48°
20
Humidity: 48%
UV Index: 1
Wind: 4 mph
2 PM
Cloudy Weather
46°
Feels Like 48°
20
Humidity: 45%
UV Index: 1
Wind: 5 mph
3 PM
Cloudy Weather
48°
Feels Like 46°
20
Humidity: 44%
UV Index: 1
Wind: 6 mph
4 PM
Cloudy Weather
48°
Feels Like 46°
20
Humidity: 43%
UV Index: 0
Wind: 6 mph
5 PM
Cloudy Weather
48°
Feels Like 46°
20
Humidity: 45%
UV Index: 0
Wind: 6 mph
6 PM
Cloudy Weather
45°
Feels Like 45°
13
Humidity: 49%
UV Index: 0
Wind: 5 mph
7 PM
Cloudy Night
43°
Feels Like 43°
0
Humidity: 57%
UV Index: 0
Wind: 5 mph
8 PM
Cloudy Night
39°
Feels Like 37°
0
Humidity: 65%
UV Index: 0
Wind: 5 mph
9 PM
Cloudy Night
37°
Feels Like 36°
0
Humidity: 68%
UV Index: 0
Wind: 6 mph
10 PM
Cloudy Night
37°
Feels Like 36°
0
Humidity: 70%
UV Index: 0
Wind: 6 mph
11 PM
Cloudy Night
36°
Feels Like 34°
0
Humidity: 73%
UV Index: 0
Wind: 6 mph

Hourly Air Quality Forecast - AQI (US EPA)

5 AM
26 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 6.27 µg/m³
  • PM10: 7.5 µg/m³
  • O3: 0.027 ppm
  • NO2: 4.5 ppb
  • SO2: 0.4 ppb
  • CO: 0.19 ppm

Health Recommendations:

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

6 AM
27 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 6.38 µg/m³
  • PM10: 7.69 µg/m³
  • O3: 0.026 ppm
  • NO2: 4.9 ppb
  • SO2: 0.3 ppb
  • CO: 0.19 ppm

Health Recommendations:

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

7 AM
29 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 6.88 µg/m³
  • PM10: 8.39 µg/m³
  • O3: 0.024 ppm
  • NO2: 6.1 ppb
  • SO2: 0.4 ppb
  • CO: 0.20 ppm

Health Recommendations:

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

8 AM
32 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 7.59 µg/m³
  • PM10: 9.48 µg/m³
  • O3: 0.022 ppm
  • NO2: 8 ppb
  • SO2: 0.3 ppb
  • CO: 0.22 ppm

Health Recommendations:

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

9 AM
33 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 7.99 µg/m³
  • PM10: 10.32 µg/m³
  • O3: 0.022 ppm
  • NO2: 8.5 ppb
  • SO2: 0.4 ppb
  • CO: 0.23 ppm

Health Recommendations:

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

10 AM
34 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 8.14 µg/m³
  • PM10: 10.77 µg/m³
  • O3: 0.025 ppm
  • NO2: 6.7 ppb
  • SO2: 0.5 ppb
  • CO: 0.23 ppm

Health Recommendations:

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

11 AM
31 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 7.08 µg/m³
  • PM10: 9.63 µg/m³
  • O3: 0.034 ppm
  • NO2: 5 ppb
  • SO2: 1.6 ppb
  • CO: 0.20 ppm

Health Recommendations:

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

12 PM
34 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 6.63 µg/m³
  • PM10: 9.12 µg/m³
  • O3: 0.037 ppm
  • NO2: 4.4 ppb
  • SO2: 2 ppb
  • CO: 0.19 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 6.6 µg/m³
  • PM10: 9.05 µg/m³
  • O3: 0.039 ppm
  • NO2: 4.1 ppb
  • SO2: 2.2 ppb
  • CO: 0.18 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 4.96 µg/m³
  • PM10: 6.82 µg/m³
  • O3: 0.047 ppm
  • NO2: 3.1 ppb
  • SO2: 2 ppb
  • CO: 0.16 ppm

Health Recommendations:

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

3 PM
47 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 4.2 µg/m³
  • PM10: 5.76 µg/m³
  • O3: 0.050 ppm
  • NO2: 2.6 ppb
  • SO2: 1.8 ppb
  • CO: 0.15 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 4.09 µg/m³
  • PM10: 5.61 µg/m³
  • O3: 0.051 ppm
  • NO2: 2.6 ppb
  • SO2: 1.8 ppb
  • CO: 0.14 ppm

Health Recommendations:

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

5 PM
43 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 4.6 µg/m³
  • PM10: 6.31 µg/m³
  • O3: 0.046 ppm
  • NO2: 4.6 ppb
  • SO2: 1.6 ppb
  • CO: 0.16 ppm

Health Recommendations:

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

6 PM
35 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 5.76 µg/m³
  • PM10: 7.83 µg/m³
  • O3: 0.037 ppm
  • NO2: 9.2 ppb
  • SO2: 1.3 ppb
  • CO: 0.19 ppm

Health Recommendations:

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

7 PM
29 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 6.91 µg/m³
  • PM10: 9.4 µg/m³
  • O3: 0.030 ppm
  • NO2: 13.4 ppb
  • SO2: 1.2 ppb
  • CO: 0.22 ppm

Health Recommendations:

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

8 PM
34 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 8.26 µg/m³
  • PM10: 11.18 µg/m³
  • O3: 0.026 ppm
  • NO2: 15.8 ppb
  • SO2: 1.2 ppb
  • CO: 0.25 ppm

Health Recommendations:

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

9 PM
41 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 9.82 µg/m³
  • PM10: 13.12 µg/m³
  • O3: 0.024 ppm
  • NO2: 17.1 ppb
  • SO2: 1.3 ppb
  • CO: 0.26 ppm

Health Recommendations:

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

10 PM
47 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 11.32 µg/m³
  • PM10: 14.91 µg/m³
  • O3: 0.022 ppm
  • NO2: 17.8 ppb
  • SO2: 1.3 ppb
  • CO: 0.27 ppm

Health Recommendations:

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

11 PM
51 AQI
Moderate air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 12.55 µg/m³
  • PM10: 16.28 µg/m³
  • O3: 0.021 ppm
  • NO2: 17.8 ppb
  • SO2: 1.3 ppb
  • CO: 0.28 ppm

Health Recommendations:

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