The main air pollution problem in Canterbury is winter air pollution from PM10 in Christchurch and Canterbury towns. This type of pollution is mainly caused by woodburners and open fires.
Other air quality issues
The other main air quality issues in Canterbury are:
Air pollution from transport
In general, in Christchurch as a whole, vehicles are not a major source of air pollution. However, along busy roads such as Riccarton Road, the concentrations of air pollutants may be high at times. Poorly tuned vehicles can also create smoke (and sometimes odour) nuisance.
Air pollution from commercial activities
In general, in Christchurch as a whole, industry is not a major source of air pollution. However, in certain areas the concentrations of air pollutants may be high at times. Some commercial activities can also create smoke and odour.
Air pollution from agrichemical spraydrift
Agrichemical spraying may seem an easy and often inexpensive way to beat pests, but it’s not always the most suitable one. Some agrichemicals can be toxic to humans and pets, or can harm other crops and plants. Excessive use of agrichemicals can result in resistance. It is best to take a cautious approach and use suitable techniques.
Air pollution from odours
Odour is one of the most frequently raised concerns regarding poor air quality in Canterbury. Odour, possibly more than any other contaminant, directly affects the "amenity values" of an area. Amenity values are those qualities and characteristics that contribute to people's appreciation of an area.
Air pollution from other air pollutants
Apart from suspended particulate (PM10) Environment Canterbury monitors the following other air pollutants: carbon monoxide, nitrogen dioxide, sulphur dioxide, hazardous air pollutants and ozone.