Hourly Weather | Today Wednesday, March 18, 2026
Springfield, Ohio
5 AM
Cloudy Night
21°
Feels Like 10°
4
Frost Risk: 96%
Humidity: 63%
UV Index: 0
Wind: 9 mph
6 AM
Cloudy Night
21°
Feels Like 12°
4
Frost Risk: 95%
Humidity: 61%
UV Index: 0
Wind: 9 mph
7 AM
Cloudy Night
23°
Feels Like 12°
7
Frost Risk: 57%
Humidity: 58%
UV Index: 0
Wind: 9 mph
8 AM
Cloudy Weather
25°
Feels Like 14°
19
Humidity: 56%
UV Index: 0
Wind: 11 mph
9 AM
Cloudy Weather
25°
Feels Like 14°
19
Humidity: 54%
UV Index: 1
Wind: 12 mph
10 AM
Cloudy Weather
28°
Feels Like 16°
24
Humidity: 50%
UV Index: 1
Wind: 14 mph
11 AM
Snowy Weather
30°
Feels Like 18°
42
Humidity: 48%
UV Index: 1
Wind: 15 mph
12 PM
Cloudy Weather
34°
Feels Like 21°
37
Humidity: 48%
UV Index: 1
Wind: 16 mph
1 PM
Snowy Weather
36°
Feels Like 19°
44
Humidity: 53%
UV Index: 1
Wind: 16 mph
2 PM
Cloudy Weather
36°
Feels Like 25°
40
Humidity: 57%
UV Index: 1
Wind: 16 mph
3 PM
Snowy Weather
37°
Feels Like 23°
45
Humidity: 59%
UV Index: 1
Wind: 15 mph
4 PM
Snowy Weather
37°
Feels Like 25°
47
Humidity: 62%
UV Index: 1
Wind: 14 mph
5 PM
Cloudy Weather
39°
Feels Like 28°
40
Humidity: 63%
UV Index: 1
Wind: 12 mph
6 PM
Cloudy Weather
37°
Feels Like 28°
34
Humidity: 68%
UV Index: 0
Wind: 12 mph
7 PM
Cloudy Weather
37°
Feels Like 28°
22
Humidity: 71%
UV Index: 0
Wind: 11 mph
8 PM
Cloudy Weather
36°
Feels Like 28°
0
Humidity: 74%
UV Index: 0
Wind: 9 mph
9 PM
Cloudy Weather
36°
Feels Like 28°
0
Humidity: 77%
UV Index: 0
Wind: 9 mph
10 PM
Cloudy Weather
36°
Feels Like 28°
0
Humidity: 80%
UV Index: 0
Wind: 11 mph
11 PM
Cloudy Weather
36°
Feels Like 27°
0
Humidity: 82%
UV Index: 0
Wind: 11 mph

Hourly Air Quality Forecast - AQI (US EPA)

5 AM
42 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 2.84 µg/m³
  • PM10: 4.17 µg/m³
  • O3: 0.046 ppm
  • NO2: 2.7 ppb
  • SO2: 1.2 ppb
  • CO: 0.15 ppm

Health Recommendations:

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

6 AM
43 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 2.8 µg/m³
  • PM10: 3.98 µg/m³
  • O3: 0.046 ppm
  • NO2: 2.3 ppb
  • SO2: 1 ppb
  • CO: 0.15 ppm

Health Recommendations:

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

7 AM
43 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 2.77 µg/m³
  • PM10: 3.84 µg/m³
  • O3: 0.047 ppm
  • NO2: 2.1 ppb
  • SO2: 0.9 ppb
  • CO: 0.14 ppm

Health Recommendations:

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

8 AM
43 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 2.86 µg/m³
  • PM10: 3.88 µg/m³
  • O3: 0.047 ppm
  • NO2: 2.3 ppb
  • SO2: 1 ppb
  • CO: 0.14 ppm

Health Recommendations:

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

9 AM
44 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 2.92 µg/m³
  • PM10: 3.9 µg/m³
  • O3: 0.047 ppm
  • NO2: 2.9 ppb
  • SO2: 1 ppb
  • CO: 0.15 ppm

Health Recommendations:

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

10 AM
44 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 2.86 µg/m³
  • PM10: 3.8 µg/m³
  • O3: 0.048 ppm
  • NO2: 3.2 ppb
  • SO2: 1.1 ppb
  • CO: 0.15 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 2.73 µg/m³
  • PM10: 3.58 µg/m³
  • O3: 0.049 ppm
  • NO2: 2.8 ppb
  • SO2: 1.1 ppb
  • CO: 0.15 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 2.47 µg/m³
  • PM10: 3.27 µg/m³
  • O3: 0.051 ppm
  • NO2: 2.3 ppb
  • SO2: 1.1 ppb
  • CO: 0.14 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 2.39 µg/m³
  • PM10: 3.19 µg/m³
  • O3: 0.053 ppm
  • NO2: 2 ppb
  • SO2: 1 ppb
  • CO: 0.14 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 2.5 µg/m³
  • PM10: 3.3 µg/m³
  • O3: 0.054 ppm
  • NO2: 1.7 ppb
  • SO2: 0.9 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.

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

Pollutant Concentrations:

  • PM2.5: 2.81 µg/m³
  • PM10: 3.63 µg/m³
  • O3: 0.057 ppm
  • NO2: 1.4 ppb
  • SO2: 0.9 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.

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

Pollutant Concentrations:

  • PM2.5: 2.94 µg/m³
  • PM10: 3.8 µg/m³
  • O3: 0.057 ppm
  • NO2: 1.4 ppb
  • SO2: 0.8 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
61 AQI
Moderate air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 2.76 µg/m³
  • PM10: 3.63 µg/m³
  • O3: 0.057 ppm
  • NO2: 1.5 ppb
  • SO2: 0.8 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
59 AQI
Moderate air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 2.6 µg/m³
  • PM10: 3.55 µg/m³
  • O3: 0.057 ppm
  • NO2: 2.2 ppb
  • SO2: 0.7 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
50 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 2.48 µg/m³
  • PM10: 3.54 µg/m³
  • O3: 0.054 ppm
  • NO2: 3.6 ppb
  • SO2: 0.5 ppb
  • CO: 0.15 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 2.48 µg/m³
  • PM10: 3.69 µg/m³
  • O3: 0.050 ppm
  • NO2: 4.4 ppb
  • SO2: 0.4 ppb
  • CO: 0.15 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 2.61 µg/m³
  • PM10: 3.99 µg/m³
  • O3: 0.048 ppm
  • NO2: 4.5 ppb
  • SO2: 0.3 ppb
  • CO: 0.16 ppm

Health Recommendations:

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

10 PM
44 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 2.9 µg/m³
  • PM10: 4.33 µg/m³
  • O3: 0.047 ppm
  • NO2: 4.2 ppb
  • SO2: 0.3 ppb
  • CO: 0.16 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 3.43 µg/m³
  • PM10: 4.81 µg/m³
  • O3: 0.047 ppm
  • NO2: 3.7 ppb
  • SO2: 0.3 ppb
  • CO: 0.16 ppm

Health Recommendations:

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