Carbon monoxide levels in air

Key Points | Report Card | Technical Information | Data

This indicator measures the amount of carbon monoxide in the air. Carbon monoxide is a poisonous gas that is colourless, odourless and tasteless. It’s absorbed into the bloodstream of people and animals, causing health effects ranging from headache and dizziness to loss of consciousness and death. Most of the carbon monoxide in urban areas comes from motor vehicles and the burning of solid fuels (such as wood).

This indicator shows that:

• Carbon monoxide (CO) levels in Hamilton are excellent for most of the year.
• Find out more in the Report Card.

• The data were collected from January 1, 1998 to December 31, 2004¹, and averaged hourly.
• View this graph’s data.
• Find out more about air quality around the Waikato region.

Footnotes

1. See the technical information report to find out the main periods of missing data.

Updated 13 February 2009

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