UNHEALTHY FOR SENSITIVE GROUPS levels are harmful for people with respiratory or heart disease, the elderly, and every healthy child.
UNHEALTHY levels, which cause increased respiratory effects on everyone, also cause increased aggravation of heart or lung disease and premature mortality in persons with cardiopulmonary disease and the elderly.
Two exceedance days in one year keep our community in PM 2.5 nonattainment. During the last winter, Fairbanks had 37 days over the PM 2.5 standard. The health-based 24-hour average standard for PM 2.5 set by state and federal law is 35 micrograms per cubic meter.
The above graph was generated by Clean Air Fairbanks from public records of air quality monitoring data from the Fairbanks North Star Borough Air Quality Program.