- http://assets.climatecentral.org/pdfs/westernwildfires2016v2.pdf
- http://www.pehsu.net/_Library/facts/wildfire_acute_2011_parents_comm.pdf
- https://www3.epa.gov/airnow/wildfire_may2016.pdf
- https://www.ucsf.edu/news/2017/10/408766/long-term-health-impacts-wildfire-smoke-may-include-cardiac-respiratory-effects
- https://www3.epa.gov/airnow/wildfire_may2016.pdf