Hourly Weather | Today › Tuesday, October 27, 2026
Dayton, Ohio
3 PM
Cloudy Weather
73°
Feels Like 75°
0
Humidity: 44%
UV Index: 3
Wind: 6 mph
4 PM
Cloudy Weather
75°
Feels Like 75°
0
Humidity: 42%
UV Index: 2
Wind: 6 mph
5 PM
Cloudy Weather
73°
Feels Like 73°
0
Humidity: 44%
UV Index: 1
Wind: 6 mph
6 PM
Cloudy Weather
70°
Feels Like 68°
0
Humidity: 49%
UV Index: 0
Wind: 6 mph
7 PM
Cloudy Night
66°
Feels Like 64°
0
Humidity: 55%
UV Index: 0
Wind: 6 mph
8 PM
Cloudy Night
64°
Feels Like 63°
0
Humidity: 60%
UV Index: 0
Wind: 6 mph
9 PM
Cloudy Night
61°
Feels Like 61°
0
Humidity: 67%
UV Index: 0
Wind: 6 mph
10 PM
Cloudy Night
57°
Feels Like 57°
0
Humidity: 75%
UV Index: 0
Wind: 6 mph
11 PM
Cloudy Night
55°
Feels Like 55°
0
Humidity: 81%
UV Index: 0
Wind: 6 mph

Hourly Air Quality Forecast - AQI (US EPA)

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

Pollutant Concentrations:

  • PM2.5: 21.6 µg/m³
  • PM10: 24.17 µg/m³
  • O3: 0.063 ppm
  • NO2: 1.5 ppb
  • SO2: 2 ppb
  • CO: 0.14 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 19.38 µg/m³
  • PM10: 21.38 µg/m³
  • O3: 0.065 ppm
  • NO2: 1.1 ppb
  • SO2: 1.7 ppb
  • CO: 0.13 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 18.17 µg/m³
  • PM10: 19.99 µg/m³
  • O3: 0.064 ppm
  • NO2: 1.2 ppb
  • SO2: 1.6 ppb
  • CO: 0.13 ppm

Health Recommendations:

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

6 PM
63 AQI
Moderate air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 18.26 µg/m³
  • PM10: 20.12 µg/m³
  • O3: 0.058 ppm
  • NO2: 2.8 ppb
  • SO2: 1.5 ppb
  • CO: 0.14 ppm

Health Recommendations:

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

7 PM
65 AQI
Moderate air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 18.87 µg/m³
  • PM10: 20.9 µg/m³
  • O3: 0.048 ppm
  • NO2: 5.5 ppb
  • SO2: 1.3 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.

8 PM
66 AQI
Moderate air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 19.48 µg/m³
  • PM10: 21.71 µg/m³
  • O3: 0.042 ppm
  • NO2: 7.4 ppb
  • SO2: 1.1 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
67 AQI
Moderate air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 19.93 µg/m³
  • PM10: 22.35 µg/m³
  • O3: 0.038 ppm
  • NO2: 8.1 ppb
  • SO2: 1 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.

10 PM
68 AQI
Moderate air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 20.64 µg/m³
  • PM10: 23.16 µg/m³
  • O3: 0.036 ppm
  • NO2: 7.9 ppb
  • SO2: 0.9 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.

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

Pollutant Concentrations:

  • PM2.5: 21.43 µg/m³
  • PM10: 23.96 µg/m³
  • O3: 0.035 ppm
  • NO2: 7.4 ppb
  • SO2: 0.8 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.