Large Swath Of Wisconsin Under Another Air Pollution Alert

As I have noted repeatedly on this blog, the alerts - - the DNR obfuscatorily calls them "advisories" - - are issued after unhealthy conditions have tipped the scales.

Advisory for Ozone (Orange)

Start Time:	4:00PM CT Friday, August 3, 2012
End Time:	2:00AM CT Saturday, August 4, 2012
Counties:	Columbia, Dane, Dodge, Jefferson, Kenosha, Milwaukee, Ozaukee, Racine, Rock, Sauk, Walworth, Washington and Waukesha

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AIR QUALITY INDEX CHART

Air Quality Index (AQI) Values	Levels of Health Concern	Colors
When the AQI is in this range:	...air quality conditions are:	...as symbolized by this color:
0 to 50	Good	Green
51 to 100	Moderate	Yellow
101 to 150	Unhealthy for Sensitive Groups	Orange
151 to 200	Unhealthy	Red
201 to 300	Very Unhealthy	Purple
301 to 500	Hazardous	Maroon