Air quality

The quality of the air we breathe is important to our health. The main issue is winter-time smog due to wood-burning.

We monitor air quality in both Richmond and Nelson.

Air quality data

Click on a marker on the map below to see recent data.

Read the latest notice on air quality exceedances.

High pollution events for 2020 to date

Location Number of exceedances
Richmond:              3
Motueka:              1
Nelson airshed A at St Vincent Street:              0
Nelson airshed B1 at Tahunanui:              0

Since September 2016 the National Standards required that there be no more than three high pollution nights per year.

From September 2020 there shall be no more than one high pollution night per year in order to meet the standard.

A High Pollution night is defined as when the daily PM10 reading is above 50 µg/m3.


Disclaimer for Air Quality Data
Measuring air quality