11/23/2009 O3
8-Hour		 SO2
24-Hour		 NO2
24-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





27
 29.1

Clinton, Rainbow Park Moderate PM-2.5







93
 36.9
Clinton, Chancy Park Moderate PM-2.5

1
 0.6



88
 34.5
Davenport, 10th and Vine Moderate PM-2.5







81
 30.7
Davenport, Black Hawk Foundry Moderate PM-2.5







93
 36.9
Lake Sugema Moderate PM-2.5

2
 1.5



53
 16.5
Mason City, 17th and Washington Good PM-10





16
 17.7

Muscatine, Musser Park Good SO2

4
 2.8





Emmetsburg Moderate PM-2.5







64
 21.9
Iowa City-Hoover School Moderate PM-2.5







74
 27.2
Muscatine-Garfield Moderate PM-2.5







87
 33.8
Viking Lake Moderate PM-2.5







56
 17.8
Waterloo, Water Tower Moderate PM-2.5







80
 30
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 1-2 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.