Interesting things which were found about the data using the application.
The findings are given below for the Cook county of Illinois.
- Amongst the pollutants, SO2 pollutant has shown a relatively downward trend over the last 25 years with some exceptions in certain years.
- PM2.5 pollutant has shown a relatively upward trend over the last 25 years with some exceptions in certain years.
- CO , Carbon monozide emission has been neglible over the last 20 years
These trends show that there has been an effor to reduce harmful emissions but at the same time there are still emissions that need to be controlled to bring them under permissible range.
While comparing different states and their counties, the air Quality in Cook county in Illinois was found to be worse as comapred to those in Florida state.
States like Nebraska , Utah have comparitively good air quality as compared to states like Illinois, California. The counties in these states with less population show air quality as expected. The states and the counties which large population and industry are prone to bad air quality.