Current Air Data Map

View the latest hourly air monitoring data using our interactive map. You can also zoom in to see individual station readings.


AQHI Value Scale - Learn more about AQHI Categories and Explanations

View the AQHI forecast for today, tonight, and tomorrow.

Station Summary Tip

Click on the white triangle to see the next station summary data.

Station Summary Tip


  • PM2.5 = fine particles with a diameter of 2.5 microns (millionths of a metre)
  • PM10 = small particles with a diameter of 10 microns
  • O3 = ozone
  • NO2 = nitrogen dioxide
  • SO2 = sulphur dioxide
  • ppb = parts per billion
  • ppm = parts per million
  • µg/m3 = micrograms per cubic metre
  • N/A = Readings are monitored but are not available at this time.

More Information

To access the older version of the interactive map, visit the AQHI Readings Application (requires Adobe Flash Plugin).

There are more ways to find an air monitoring station and it's latest data.