Milwaukee, Ozaukee Counties under ozone alert Friday evening

From the WI DNR:

Advisory for Ozone (Orange)

Start Time:	5:00PM CT Friday, September 20, 2019
End Time:	9:00PM CT Friday, September 20, 2019
Counties:	Milwaukee, Ozaukee

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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

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