Quality
Air Quality Ontario, provided by the Ontario Ministry of Environment and Climate Change, has a network of 13 ambient (outside) air monitoring stations across the province that collect real-time air pollution data. This information is communicated to the public through Ontario’s new Air Quality Health Index (AQHI), and as hourly concentrations of each pollutant. http://airqualityontario.com/
For example, the following links will take you to:
- find Air Quality Health Index readings for St. Catharines, throughout 2016: http://airqualityontario.com/aqhi/search.php?stationid=27067&show_day=0&start_day=14&start_month=12&start_year=2016&submit_search=Get+AQHI+Readings
- Historical air pollutant data: http://airqualityontario.com/history/index.php
- Current pollutant concentrations: http://airqualityontario.com/history/summary.php