Saint John - Air Quality Health Index

Observed ConditionsFootnote †

Calculated at: 5:00 AM ADT Wednesday 30 April 2025

4Moderate 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:

  • No need to modify your usual outdoor activities unless you experience symptoms such as coughing and throat irritation.

Forecast Maximums

Issued at: 6:00 AM ADT Wednesday 30 April 2025

Wednesday

4 - Moderate Risk

Wednesday night

3 - Low Risk

Thursday

2 - Low Risk

Thursday night

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...?

You can carpool to work, school, activities or a night out. It's a great way to meet new people and reduce emissions, traffic and noise on the road.


The AQHI is an initiative between Environment Canada, Health Canada, and the New Brunswick Department of Environment and Local Government and the New Brunswick Department of Health in partnership with the New Brunswick Lung Association.

AQHIScale

Observed ConditionsFootnote †


4 - Moderate Risk

Calculated at:

5:00 AM ADT Wednesday 30 April 2025

 

Forecast Maximums


Wednesday
4 - Moderate Risk



Wednesday night
3 - Low Risk



Thursday
2 - Low Risk



Thursday night
2 - Low Risk




Issued at:

6:00 AM ADT Wednesday 30 April 2025

 

The AQHI is an initiative between Environment Canada, Health Canada, and the New Brunswick Department of Environment and Local Government and the New Brunswick Department of Health in partnership with the New Brunswick Lung Association.

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