Hourly Weather | Today Wednesday, March 18, 2026
Ankeny, Iowa
7 AM
Cloudy Night
21°
Feels Like 18°
13
Frost Risk: 100%
Humidity: 95%
UV Index: 0
Wind: 6 mph
8 AM
Cloudy Weather
23°
Feels Like 23°
0
Frost Risk: 100%
Humidity: 95%
UV Index: 1
Wind: 6 mph
9 AM
Cloudy Weather
27°
Feels Like 30°
0
Frost Risk: 96%
Humidity: 85%
UV Index: 2
Wind: 5 mph
10 AM
Cloudy Weather
32°
Feels Like 37°
0
Humidity: 81%
UV Index: 3
Wind: 5 mph
11 AM
Cloudy Weather
37°
Feels Like 45°
0
Humidity: 73%
UV Index: 4
Wind: 5 mph
12 PM
Cloudy Weather
43°
Feels Like 48°
0
Humidity: 66%
UV Index: 4
Wind: 6 mph
1 PM
Cloudy Weather
46°
Feels Like 54°
0
Humidity: 62%
UV Index: 5
Wind: 7 mph
2 PM
Cloudy Weather
50°
Feels Like 55°
0
Humidity: 59%
UV Index: 4
Wind: 7 mph
3 PM
Cloudy Weather
54°
Feels Like 55°
0
Humidity: 57%
UV Index: 4
Wind: 7 mph
4 PM
Cloudy Weather
55°
Feels Like 55°
0
Humidity: 56%
UV Index: 3
Wind: 7 mph
5 PM
Cloudy Weather
55°
Feels Like 57°
0
Humidity: 55%
UV Index: 2
Wind: 7 mph
6 PM
Cloudy Weather
54°
Feels Like 54°
0
Humidity: 61%
UV Index: 1
Wind: 7 mph
7 PM
Cloudy Weather
52°
Feels Like 48°
0
Humidity: 68%
UV Index: 0
Wind: 7 mph
8 PM
Cloudy Night
48°
Feels Like 46°
0
Humidity: 74%
UV Index: 0
Wind: 6 mph
9 PM
Cloudy Night
46°
Feels Like 43°
0
Humidity: 79%
UV Index: 0
Wind: 6 mph
10 PM
Cloudy Night
45°
Feels Like 41°
0
Humidity: 83%
UV Index: 0
Wind: 6 mph
11 PM
Cloudy Night
43°
Feels Like 39°
0
Humidity: 86%
UV Index: 0
Wind: 6 mph

Hourly Air Quality Forecast - AQI (US EPA)

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

Pollutant Concentrations:

  • PM2.5: 7.19 µg/m³
  • PM10: 7.79 µg/m³
  • O3: 0.030 ppm
  • NO2: 2.2 ppb
  • SO2: 0.2 ppb
  • CO: 0.16 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 7.88 µg/m³
  • PM10: 8.59 µg/m³
  • O3: 0.027 ppm
  • NO2: 2.8 ppb
  • SO2: 0.2 ppb
  • CO: 0.16 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 8.2 µg/m³
  • PM10: 9.04 µg/m³
  • O3: 0.026 ppm
  • NO2: 3.3 ppb
  • SO2: 0.1 ppb
  • CO: 0.17 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 8.48 µg/m³
  • PM10: 9.46 µg/m³
  • O3: 0.027 ppm
  • NO2: 2.8 ppb
  • SO2: 0.1 ppb
  • CO: 0.18 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 9.15 µg/m³
  • PM10: 10.26 µg/m³
  • O3: 0.028 ppm
  • NO2: 2.4 ppb
  • SO2: 0.2 ppb
  • CO: 0.18 ppm

Health Recommendations:

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

12 PM
42 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 10.07 µg/m³
  • PM10: 11.23 µg/m³
  • O3: 0.030 ppm
  • NO2: 2.1 ppb
  • SO2: 0.2 ppb
  • CO: 0.18 ppm

Health Recommendations:

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

1 PM
48 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 11.48 µg/m³
  • PM10: 12.63 µg/m³
  • O3: 0.033 ppm
  • NO2: 1.9 ppb
  • SO2: 0.2 ppb
  • CO: 0.18 ppm

Health Recommendations:

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

2 PM
49 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 11.66 µg/m³
  • PM10: 12.82 µg/m³
  • O3: 0.042 ppm
  • NO2: 1.4 ppb
  • SO2: 0.5 ppb
  • CO: 0.16 ppm

Health Recommendations:

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

3 PM
50 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 12.14 µg/m³
  • PM10: 13.32 µg/m³
  • O3: 0.046 ppm
  • NO2: 1.2 ppb
  • SO2: 0.5 ppb
  • CO: 0.16 ppm

Health Recommendations:

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

4 PM
50 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 11.9 µg/m³
  • PM10: 13.09 µg/m³
  • O3: 0.049 ppm
  • NO2: 1.1 ppb
  • SO2: 0.4 ppb
  • CO: 0.16 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 11.38 µg/m³
  • PM10: 12.57 µg/m³
  • O3: 0.051 ppm
  • NO2: 1.1 ppb
  • SO2: 0.4 ppb
  • CO: 0.16 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 10.8 µg/m³
  • PM10: 11.97 µg/m³
  • O3: 0.049 ppm
  • NO2: 1.5 ppb
  • SO2: 0.3 ppb
  • CO: 0.16 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 10.09 µg/m³
  • PM10: 11.22 µg/m³
  • O3: 0.046 ppm
  • NO2: 2.3 ppb
  • SO2: 0.2 ppb
  • CO: 0.17 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 9.37 µg/m³
  • PM10: 10.44 µg/m³
  • O3: 0.043 ppm
  • NO2: 2.9 ppb
  • SO2: 0.1 ppb
  • CO: 0.18 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 8.97 µg/m³
  • PM10: 10.04 µg/m³
  • O3: 0.042 ppm
  • NO2: 2.9 ppb
  • SO2: 0.1 ppb
  • CO: 0.18 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 8.64 µg/m³
  • PM10: 9.75 µg/m³
  • O3: 0.041 ppm
  • NO2: 2.8 ppb
  • SO2: 0.1 ppb
  • CO: 0.18 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 8.14 µg/m³
  • PM10: 9.27 µg/m³
  • O3: 0.040 ppm
  • NO2: 2.7 ppb
  • SO2: 0.2 ppb
  • CO: 0.18 ppm

Health Recommendations:

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