Barrie - Air Quality Health Index

Observed ConditionsFootnote †

  • Past 24 hr
    • Calculated at: 4:00 PM EDT Friday 20 March 2026

    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 EDT Friday 20 March 2026

    Friday night

    3 - Low Risk

    Saturday

    3 - Low Risk

    Saturday night

    3 - Low Risk

    Sunday

    3 - 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, your physician, or your local health authority.

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

    Did you know...?

    Even if you are relatively fit and healthy, you could experience symptoms when exercising or working outdoors if pollution levels are higher than usual.


    The AQHI is an initiative between Environment Canada, Health Canada and the Province of Ontario.