PM2.5 matters!
Data: The Department of Environmental Conservation NY provdives air quaility monitoring data in the state. The data can be downloaded as .csv by every 150 days. However, there are lots of missing data, typo in recordings, duplicated data, etc. Some works need to be done with the cleaning. Codes start with 0_ are related to such works. No analysis till this step. http://www.dec.ny.gov/chemical/8539.html