Twin Cities 'bad air days' down in 2012

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MPR reports the Twin Cities area had only four days with air quality alerts in 2012 – three for ozone and one for fine particles, according to the Minnesota Pollution Control Agency.

The state averages about 10 air quality alerts most years, but also had just four in 2011.

MPCA's air monitoring program supervisor, Rich Strassman, told MPR that fine particle pollution has been declining in Minnesota, but the weather also plays a big role.

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