Respirable Suspended Particulates (RSP)
The observed human health effects of RSP include breathing and respiratory symptoms (such as shortness of breath, coughing and wheezing), aggravation of existing respiratory disease and damage to lung tissues.
Exposure to elevated level of sulphur dioxide can cause impairment of respiratory function, aggravation of existing respiratory disease (especially bronchitis) and cardiovascular disease.
Nitrogen dioxide (NO2) can irritate the lungs and lower resistance to respiratory infection such as influenza. Individuals with respiratory problems, such as asthma, are more susceptible to the effects.
Ozone has the greatest impact on the respiratory system, where it irritates the mucous membranes of the nose, throat and airways. Symptoms associated with exposure include cough, chest pain, and throat and eye irritation.
Note:
- In the case the air monitoring stations does not deliver data in time, the entry is left blank.
- There is no data on ozone for Central, Causeway Bay and Mongkok districts.