St. Andrews, New Brunswick, Canada Historical Air Quality Analysis
Dive into detailed Air Quality Insights with historical data, monthly patterns, and yearly trends at your fingertips!
March Air Quality Analysis
St. Andrews, New Brunswick, Canada
AQI Trends: Highest and Lowest
Same Day Analysis (7th March):
On this day, AQI across the 2 years varied significantly: 2026 ranks 1st highest AQI at 36 of Good air quality on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 6th Mar - 7th Mar 2026
St. Andrews, New Brunswick, Canada
6 AM6th Mar 2026
5 PM
5 AM7th Mar 2026
48AQI
26AQI
36AQI
14AQI
In the last 24 hours,
St. Andrews's AQI reached its highest point of 48 at 2 PM during the Day, while the lowest point, 14, was recorded at 2 AM during the Night between 6th Mar and 7th Mar 2026.
Day & Night AQI Trend : Feb - Mar 2026
St. Andrews, New Brunswick, Canada
-13°C-26/-6°C
-7°C-12/-3°C
-8°C-12/-5°C
-9°C-14/-4°C
-6°C-11/0°C
-2°C-8/2°C
-3°C-9/0°C
-6°C-11/0°C
-6°C-13/1°C
-7°C-13/0°C
-6°C-16/3°C
-5°C-12/1°C
0°C-4/4°C
-3°C-6/1°C
-6°C-15/0°C
-6°C-10/-2°C
-4°C-12/2°C
-5°C-8/-3°C
-4°C-7/-1°C
-7°C-18/-1°C
-1°C-8/4°C
-6°C-12/0°C
-1°C-9/6°C
-4°C-10/-2°C
-11°C-18/-6°C
-7°C-21/3°C
3°C-3/11°C
-3°C-7/-1°C
-4°C-8/0°C
1°C-6/5°C
57AQI
33AQI
48AQI
35AQI
2026 Days Vs Air Quality
St. Andrews, New Brunswick, Canada
95%
63
5%
3
Total number of days with different AQI categories in last 67 days in 2026 (298 days remaining)
Under WHO’s Safe Air Quality Limits: 95%
Health Risk Level:
Very Low
In 2026, 95% of 67 days were within WHO’s safe air quality limits. The risk of health issues is Very Low, but health impacts are still unclear.
Annual Air Quality Insights
St. Andrews, New Brunswick, Canada
AQI levels in 2026
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
20AQI (US)
14AQI (US)
10AQI (US)
17AQI (US)
27AQI (US)
49AQI (US)
20AQI (US)
15AQI (US)
20AQI (US)
16AQI (US)
11AQI (US)
11AQI (US)
12AQI (US)
46AQI (US)
25AQI (US)
27AQI (US)
14AQI (US)
27AQI (US)
22AQI (US)
15AQI (US)
13AQI (US)
49AQI (US)
53AQI (US)
46AQI (US)
45AQI (US)
47AQI (US)
44AQI (US)
46AQI (US)
51AQI (US)
49AQI (US)
45AQI (US)
47AQI (US)
49AQI (US)
50AQI (US)
50AQI (US)
49AQI (US)
40AQI (US)
38AQI (US)
45AQI (US)
46AQI (US)
45AQI (US)
42AQI (US)
41AQI (US)
49AQI (US)
50AQI (US)
39AQI (US)
43AQI (US)
45AQI (US)
41AQI (US)
40AQI (US)
40AQI (US)
35AQI (US)
35AQI (US)
39AQI (US)
45AQI (US)
41AQI (US)
35AQI (US)
34AQI (US)
37AQI (US)
39AQI (US)
55AQI (US)
45AQI (US)
45AQI (US)
41AQI (US)
36AQI (US)
36AQI (US)
29AQI (US)
43AQI (US)
42AQI (US)
No. of days
202636AQI (US)
Highest AQI (US) recorded in
February43AQI (US)
Lowest AQI (US) recorded in
January29AQI (US)
202524AQI (US)
Highest AQI (US) recorded in
July34AQI (US)
Lowest AQI (US) recorded in
April16AQI (US)
Most & Least Polluted Years Over the Last 2 Years
St. Andrews's annual 2026 AQI (US) (36) shows an average percentage change of 48.1% (worsened AQI (US)) compared to previous years: 2025 (24).