None expected for the general population.
51 - 100
High
Acute health effects are not expected but chronic effects may be observed if one is persistently exposed to such levels.
100 - 200
Very High
People with existing heart or respiratory illnesses may notice mild aggravation of their health conditions. Generally healthy individuals may also notice some discomfort.
201 - 500
Severe
People with existing heart or respiratory illnesses may experience significant aggravation of their symptoms. There may also be widespread symptoms in the healthy population (e.g. eye irritation, wheezing, coughing, phlegm and sore throats).
EFFECT OF AIR POLLUTANT