Lead levels in air

Key Points | Report Card | Technical Information | Data

This indicator measures the amount of lead in the air. Lead is a poisonous metal that can cause brain damage. It can also affect the nervous system, blood pressure and immune system. Children are more sensitive to lead poisoning than adults.

This indicator shows that:

• Airborne lead levels in Hamilton have consistently been below the Ministry for the Environment guideline value (0.2 µg/m³) since August 1993, showing that lead is no longer of concern.
• Find out more in the Report Card.

• The data were collected from 1983 to 2001.
• View this graph’s data.
• Find out more about air quality around the Waikato region.

Updated 20 June 2008

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