Rock County's Public Health Department has begun monitoring air quality around Beloit and Janesville. Health Department Director Katrina Harwood says the county has set up new air monitors around to collect 24-hour data on the air quality.

Rock County's Public Health Department has begun monitoring air quality around Beloit and Janesville. Health Department Director Katrina Harwood says the county has set up new air monitors around to collect 24-hour data on the air quality.




