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Air quality in New Brunswick

Air quality index (AQI⁺) and PM2.5 air pollution in New Brunswick • 14:05, Oct 30

California Air Resources Board (CARB)Environment and Local Government of New BrunswickMichael McCoolAnonymous contributor
California Air Resources Board (CARB)Environment and Local Government of New BrunswickMichael McCoolAnonymous contributor

Live most polluted city ranking

Real-time New Brunswick most polluted city ranking

#CitiesAQI⁺ US
1
The national flag of Canada

Saint John

53

2
The national flag of Canada

Queens County

46

3
The national flag of Canada

Moncton

39

4
The national flag of Canada

St Andrews

39

5
The national flag of Canada

Grande-Digue

36

6
The national flag of Canada

Bathurst

33

7
The national flag of Canada

Miramichi

28

8
The national flag of Canada

Shediac

24

9
The national flag of Canada

Fredericton

23

10
The national flag of Canada

Edmundston

20

Live cleanest city ranking

Real-time New Brunswick cleanest city ranking

#CitiesAQI⁺ US
1
The national flag of Canada

Hartland

17

2
The national flag of Canada

Edmundston

20

3
The national flag of Canada

Fredericton

23

4
The national flag of Canada

Shediac

24

5
The national flag of Canada

Miramichi

28

6
The national flag of Canada

Bathurst

33

7
The national flag of Canada

Grande-Digue

36

8
The national flag of Canada

Moncton

39

9
The national flag of Canada

St Andrews

39

10
The national flag of Canada

Queens County

46

Wildfires in New Brunswick

Real-time information

Active fires

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Aerial view of multiple houses covered in haze.
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China Air Quality Alert

Small group of people cycling in morning smog.
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India Air Quality Alert

Polluted skies of Almaty.
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October 28, 2026: Almaty among top 10 most polluted cities in the world

Which is the most polluted city in New Brunswick?