Hourly Weather | Today Thursday, February 26, 2026
Noblesville, Indiana
3 AM
Snowy Weather
30°
Feels Like 27°
46
Humidity: 75%
UV Index: 0
Wind: 6 mph
4 AM
Cloudy Weather
30°
Feels Like 27°
29
Humidity: 77%
UV Index: 0
Wind: 5 mph
5 AM
Cloudy Weather
28°
Feels Like 27°
24
Humidity: 79%
UV Index: 0
Wind: 5 mph
6 AM
Cloudy Weather
28°
Feels Like 27°
22
Humidity: 82%
UV Index: 0
Wind: 5 mph
7 AM
Cloudy Weather
27°
Feels Like 27°
49
Frost Risk: 73%
Humidity: 88%
UV Index: 0
Wind: 5 mph
8 AM
Snowy Weather
28°
Feels Like 27°
62
Humidity: 80%
UV Index: 1
Wind: 5 mph
9 AM
Snowy Weather
30°
Feels Like 28°
63
Humidity: 71%
UV Index: 1
Wind: 5 mph
10 AM
Cloudy Weather
34°
Feels Like 36°
40
Humidity: 61%
UV Index: 2
Wind: 5 mph
11 AM
Cloudy Weather
37°
Feels Like 41°
34
Humidity: 56%
UV Index: 2
Wind: 5 mph
12 PM
Cloudy Weather
39°
Feels Like 45°
22
Humidity: 51%
UV Index: 2
Wind: 4 mph
1 PM
Cloudy Weather
43°
Feels Like 52°
0
Humidity: 46%
UV Index: 4
Wind: 4 mph
2 PM
Cloudy Weather
45°
Feels Like 52°
0
Humidity: 44%
UV Index: 3
Wind: 5 mph
3 PM
Cloudy Weather
46°
Feels Like 48°
0
Humidity: 43%
UV Index: 2
Wind: 6 mph
4 PM
Cloudy Weather
48°
Feels Like 48°
0
Humidity: 42%
UV Index: 1
Wind: 6 mph
5 PM
Cloudy Weather
46°
Feels Like 45°
0
Humidity: 46%
UV Index: 0
Wind: 6 mph
6 PM
Cloudy Weather
43°
Feels Like 43°
0
Humidity: 51%
UV Index: 0
Wind: 6 mph
7 PM
Cloudy Night
39°
Feels Like 39°
0
Humidity: 59%
UV Index: 0
Wind: 5 mph
8 PM
Cloudy Night
37°
Feels Like 37°
0
Humidity: 66%
UV Index: 0
Wind: 5 mph
9 PM
Cloudy Night
36°
Feels Like 34°
0
Humidity: 73%
UV Index: 0
Wind: 5 mph
10 PM
Cloudy Night
34°
Feels Like 32°
0
Humidity: 79%
UV Index: 0
Wind: 5 mph
11 PM
Cloudy Night
32°
Feels Like 28°
0
Humidity: 86%
UV Index: 0
Wind: 6 mph

Hourly Air Quality Forecast - AQI (US EPA)

3 AM
28 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 4.58 µg/m³
  • PM10: 4.97 µg/m³
  • O3: 0.030 ppm
  • NO2: 3.7 ppb
  • SO2: 0.3 ppb
  • CO: 0.18 ppm

Health Recommendations:

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

4 AM
27 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 4.56 µg/m³
  • PM10: 5 µg/m³
  • O3: 0.029 ppm
  • NO2: 3.9 ppb
  • SO2: 0.3 ppb
  • CO: 0.19 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 4.56 µg/m³
  • PM10: 5.11 µg/m³
  • O3: 0.029 ppm
  • NO2: 4.1 ppb
  • SO2: 0.3 ppb
  • CO: 0.19 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 4.67 µg/m³
  • PM10: 5.35 µg/m³
  • O3: 0.028 ppm
  • NO2: 4.4 ppb
  • SO2: 0.2 ppb
  • CO: 0.19 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 5.03 µg/m³
  • PM10: 5.82 µg/m³
  • O3: 0.026 ppm
  • NO2: 4.8 ppb
  • SO2: 0.2 ppb
  • CO: 0.20 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 5.36 µg/m³
  • PM10: 6.28 µg/m³
  • O3: 0.025 ppm
  • NO2: 5.5 ppb
  • SO2: 0.2 ppb
  • CO: 0.20 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 5.14 µg/m³
  • PM10: 6.19 µg/m³
  • O3: 0.025 ppm
  • NO2: 5.9 ppb
  • SO2: 0.2 ppb
  • CO: 0.21 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 5 µg/m³
  • PM10: 6.14 µg/m³
  • O3: 0.027 ppm
  • NO2: 4.7 ppb
  • SO2: 0.2 ppb
  • CO: 0.21 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 3.59 µg/m³
  • PM10: 4.56 µg/m³
  • O3: 0.040 ppm
  • NO2: 2.8 ppb
  • SO2: 0.5 ppb
  • CO: 0.18 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 2.97 µg/m³
  • PM10: 3.82 µg/m³
  • O3: 0.043 ppm
  • NO2: 2.1 ppb
  • SO2: 0.6 ppb
  • CO: 0.16 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 2.96 µg/m³
  • PM10: 3.74 µg/m³
  • O3: 0.046 ppm
  • NO2: 1.6 ppb
  • SO2: 0.5 ppb
  • CO: 0.16 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 2.88 µg/m³
  • PM10: 3.56 µg/m³
  • O3: 0.050 ppm
  • NO2: 1.2 ppb
  • SO2: 0.4 ppb
  • CO: 0.15 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: 3.11 µg/m³
  • PM10: 3.78 µg/m³
  • O3: 0.051 ppm
  • NO2: 1.2 ppb
  • SO2: 0.3 ppb
  • CO: 0.15 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 3.41 µg/m³
  • PM10: 4.13 µg/m³
  • O3: 0.051 ppm
  • NO2: 1.3 ppb
  • SO2: 0.3 ppb
  • CO: 0.15 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 3.77 µg/m³
  • PM10: 4.59 µg/m³
  • O3: 0.048 ppm
  • NO2: 2.2 ppb
  • SO2: 0.3 ppb
  • CO: 0.16 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 4.3 µg/m³
  • PM10: 5.28 µg/m³
  • O3: 0.043 ppm
  • NO2: 4 ppb
  • SO2: 0.3 ppb
  • CO: 0.17 ppm

Health Recommendations:

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

7 PM
37 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 4.75 µg/m³
  • PM10: 5.93 µg/m³
  • O3: 0.040 ppm
  • NO2: 5.5 ppb
  • SO2: 0.3 ppb
  • CO: 0.19 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 5.29 µg/m³
  • PM10: 6.66 µg/m³
  • O3: 0.039 ppm
  • NO2: 6.2 ppb
  • SO2: 0.3 ppb
  • CO: 0.20 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 6.25 µg/m³
  • PM10: 7.78 µg/m³
  • O3: 0.037 ppm
  • NO2: 6.4 ppb
  • SO2: 0.3 ppb
  • CO: 0.21 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 7.43 µg/m³
  • PM10: 9.06 µg/m³
  • O3: 0.036 ppm
  • NO2: 6.5 ppb
  • SO2: 0.3 ppb
  • CO: 0.21 ppm

Health Recommendations:

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

11 PM
36 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 8.57 µg/m³
  • PM10: 10.2 µg/m³
  • O3: 0.033 ppm
  • NO2: 6.5 ppb
  • SO2: 0.3 ppb
  • CO: 0.22 ppm

Health Recommendations:

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