06/25/2021 O3
8-Hour
SO2
1-Hour
NO2
1-Hour
PM-10
24-Hour
PM-2.5
24-Hour
Location
Air Quality Critical Pollutant AQI ppb AQI ppb AQI ppb AQI µg/m3 AQI µg/m3
Buffalo, Linwood Mining Good PM-10





19
21.4


Clinton, Chancy Park Good PM-2.5

8
5.8




39
9.3
Clinton, Rainbow Park Good O3 37
40








Davenport, Jefferson School Good O3 37
40
0
0




29
6.9
Emmetsburg Good O3 44
48






8
2
Iowa City, Hoover School Good PM-2.5







25
6
Lake Sugema Good O3 35
38
1
0.5
1
1.5


21
5
Muscatine, Greenwood Cemetery Good SO2

1
0.4






Muscatine, High School E Campus Good PM-2.5







28
6.6
Muscatine, Musser Park Good SO2

16
11.3






Pisgah, Forestry Office Good O3 34
37








Scott County Park Good O3 35
38








Viking Lake Good O3 35
38






18
4.2
Waterloo, Water Tower Good PM-2.5







28
6.7
Waverly Good O3 44
48








Air Quality Index
Category Index Values, Descriptors and Colors
Index Values Descriptor Color
0-50 Good Green
51-100 Moderate Yellow
101-150 Unhealthy for Sensitive Groups Orange
151-200 Unhealthy Red
201-300 Very Unhealthy Purple
301-500 Hazardous Maroon

This is raw data. It has not been validated and may contain errors
  1. The data is obtained from automated, continuous instruments; no human has reviewed or checked the accuracy of this data.
  2. The data has been subject to only preliminary automated quality assurance procedures.
  3. Special conditions such as power outages, equipment malfunction, instrument repair and calibration can produce data that is invalid.
  4. This data is made available for the purpose of public awareness and should not be used in any medical or other scientific study.
  5. Quality assured data is available from the Iowa Department of Natural Resources one to two months after the sampling date.
  6. PM-10, SO2, NO2, H2S and O3 concentrations are calculated using standard temperature and pressure (25 degrees C and 760 mmHg).
  7. PM-2.5 concentrations are calculated using local (actual) temperature and pressure and may include a seasonal adjustment factor.
  8. PM-2.5 and PM-10 data may have a correction factor.