Synonyms that are in the dictionary are marked in green. Synonyms that are not in the dictionary are marked in red.
Antonyms that are in the dictionary are marked in green. Antonyms that are not in the dictionary are marked in red.
Other pollutants measured are inhalable particles (PM10) and sulphur dioxide.
This is an air quality measurement based on a number of pollutants that are adverse to health, including fine particulate matter, sulphur dioxide, carbon monoxide and others.