St. John's - Air Quality Health Index

Observed ConditionsFootnote †

  • Past 24 hr
    • Calculated at: 2:30 AM NDT Thursday 19 June 2025

    2Low Risk




    1
    2
    3
    4
    5
    6
    7
    8
    9
    10
    +

    Low Risk
    (1-3)

    Moderate Risk
    (4-6)

    High Risk
    (7-10)

    Very High Risk



    At-Risk Population:

    General Population:

    • Ideal air quality for outdoor activities.

    Forecast Maximums

  • Next 24 hr
  • Health Message
    • Issued at: 5:00 PM NDT Wednesday 18 June 2025

    Wednesday night

    2 - Low Risk

    Thursday

    2 - Low Risk

    Thursday night

    2 - Low Risk

    Friday

    2 - Low Risk

    Who is at risk?

    People with heart and lung conditions are most affected by air pollution.

    To find out if you are at risk, consult the health guide, or your physician.

    Visit the national AQHI Web site to learn more about the AQHI.

    Did you know...?

    Children, the elderly and those with heart or lung disease are most sensitive to the adverse health effects of air pollution.


    The AQHI is an initiative between Environment Canada, Health Canada, the Department of Environment and Climate Change, and the Department of Health and Community Services of Newfoundland and Labrador.