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MDEQ Air Quality Network Review

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*DEQ Air Quality Monitoring Document*

*Available for Public Comment*

Tecumseh Monitoring Station

The Department of Environmental Quality (DEQ) has released the DRAFT “2018 Michigan Ambient Air Monitoring Network Review” for public comment. Every year, the Air Quality Division (AQD) conducts a review of the states ambient air monitoring network to determine if any changes need to be made and to ensure that adequate funding is available for monitoring activities for the upcoming year. Michigans air monitoring network consists of sites throughout the state that collect information about a variety of pollutants, such as ozone, carbon monoxide, nitrogen dioxide lead and particulates, that may be present in the ambient (outdoor) air. The monitoring network is a key element in making sure that the air that we breathe in Michigan is healthy.

Changes to the monitoring network may be made based on historical data collected at that monitor, changes to population levels, as well as changes to the federal monitoring requirements under the Clean Air Act. The AQD looked at the information collected during 2016-2017 and recommends specific changes for the 2018 calendar year based on the criteria mentioned above.

Map of Michigan Ozone Monitoring Stations as of May 9, 2017Changes may also be made because of particular community concerns. For instance, one of the proposed changes to the current network for 2018 is the addition of lead monitoring at three existing monitoring sites in the Detroit metropolitan area.

The AQD is also proposing that additional pollutants be monitored in the Grand Rapids-Wyoming area based on the population increases in that metropolitan area. These proposed additions are nitrogen dioxide and particulate matter less than 10 micrometers in size.

The AQD may also propose to limit certain monitoring activities. For example, the AQD is also proposing to reduce the collection of information for particulate matter less than 2.5 micrometers in size at two sites because the levels of this pollutant have been historically low and the pollutant information is also being collected at near-by sites.

The DRAFT “2018 Michigan Ambient Air Monitoring Network Review” is available on the DEQ Web page at [ ](under “Spotlight”). If you are interested in commenting on the document, comments will be accepted until 5:00 PM EDT on June 12, 2017. Comments will be reviewed with respect to ambient air monitoring activities to be carried out in 2018.

Comments may be submitted either electronically to _robinsona1@michigan.gov_, or by U.S. mail to Amy Robinson, DEQ, Air Quality Division, P.O. Box 30260, Lansing, Michigan 48909-7760.

For more information on Michigan’s air quality, go to [ ]_. To view real-time air monitoring information, go to

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