Port Hawkesbury, Antigonish, Nova Scotia, 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
Port Hawkesbury, Antigonish, Nova Scotia, Canada
AQI Trends: Highest and Lowest
Same Day Analysis (8th March):
On this day, AQI across the 5 years varied significantly: 2026 ranks 1st highest AQI at 40 of Good air quality on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 7th Mar - 8th Mar 2026
Port Hawkesbury, Antigonish, Nova Scotia, Canada
6 AM7th Mar 2026
5 PM
5 AM8th Mar 2026
64AQI
25AQI
42AQI
29AQI
In the last 24 hours,
Port Hawkesbury's AQI reached its highest point of 64 at 3 PM during the Day, while the lowest point, 25, was recorded at 6 AM during the Day between 7th Mar and 8th Mar 2026.
Day & Night AQI Trend : Feb - Mar 2026
Port Hawkesbury, Antigonish, Nova Scotia, Canada
-3°C-6/0°C
-4°C-7/-2°C
-6°C-7/-4°C
-2°C-5/-1°C
-3°C-6/0°C
-1°C-3/0°C
-5°C-7/-4°C
-4°C-9/1°C
-2°C-5/0°C
-2°C-5/0°C
-2°C-5/1°C
-3°C-7/0°C
-2°C-3/-1°C
-4°C-8/0°C
-6°C-10/-4°C
-2°C-4/-1°C
-2°C-4/-1°C
0°C-4/3°C
-2°C-4/2°C
2°C0/4°C
-2°C-6/0°C
-2°C-6/2°C
-1°C-9/2°C
-13°C-16/-10°C
-6°C-13/1°C
1°C-2/6°C
-8°C-15/-4°C
-9°C-16/-2°C
-1°C-6/2°C
5°C4/6°C
57AQI
36AQI
46AQI
39AQI
2026 Days Vs Air Quality
Port Hawkesbury, Antigonish, Nova Scotia, Canada
91%
61
9%
6
Total number of days with different AQI categories in last 68 days in 2026 (297 days remaining)
Under WHO’s Safe Air Quality Limits: 91%
Health Risk Level:
Very Low
In 2026, 91% of 68 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
Port Hawkesbury, Antigonish, Nova Scotia, Canada
AQI levels in 2026
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
23AQI (US)
12AQI (US)
11AQI (US)
13AQI (US)
19AQI (US)
39AQI (US)
20AQI (US)
20AQI (US)
20AQI (US)
16AQI (US)
17AQI (US)
9AQI (US)
13AQI (US)
25AQI (US)
14AQI (US)
13AQI (US)
12AQI (US)
23AQI (US)
17AQI (US)
17AQI (US)
11AQI (US)
47AQI (US)
56AQI (US)
48AQI (US)
48AQI (US)
48AQI (US)
45AQI (US)
48AQI (US)
52AQI (US)
50AQI (US)
45AQI (US)
47AQI (US)
51AQI (US)
49AQI (US)
50AQI (US)
49AQI (US)
41AQI (US)
39AQI (US)
47AQI (US)
47AQI (US)
47AQI (US)
47AQI (US)
47AQI (US)
53AQI (US)
51AQI (US)
43AQI (US)
44AQI (US)
45AQI (US)
43AQI (US)
40AQI (US)
44AQI (US)
39AQI (US)
35AQI (US)
40AQI (US)
43AQI (US)
43AQI (US)
36AQI (US)
35AQI (US)
38AQI (US)
42AQI (US)
53AQI (US)
47AQI (US)
45AQI (US)
43AQI (US)
39AQI (US)
40AQI (US)
40AQI (US)
27AQI (US)
44AQI (US)
44AQI (US)
No. of days
202636AQI (US)
Highest AQI (US) recorded in
February44AQI (US)
Lowest AQI (US) recorded in
January27AQI (US)
202523AQI (US)
Highest AQI (US) recorded in
July29AQI (US)
Lowest AQI (US) recorded in
September18AQI (US)
202420AQI (US)
Highest AQI (US) recorded in
August25AQI (US)
Lowest AQI (US) recorded in
November13AQI (US)
202324AQI (US)
Highest AQI (US) recorded in
September29AQI (US)
Lowest AQI (US) recorded in
November20AQI (US)
202223AQI (US)
Highest AQI (US) recorded in
January29AQI (US)
Lowest AQI (US) recorded in
September18AQI (US)
202123AQI (US)
Highest AQI (US) recorded in
August30AQI (US)
Lowest AQI (US) recorded in
May18AQI (US)
202022AQI (US)
Highest AQI (US) recorded in
July25AQI (US)
Lowest AQI (US) recorded in
October18AQI (US)
Most & Least Polluted Years Over the Last 7 Years
Port Hawkesbury's annual 2026 AQI (US) (36) shows an average percentage change of 63.3% (worsened AQI (US)) compared to previous years: 2020 (22), 2021 (23), 2022 (23), 2023 (24), 2024 (20), 2025 (23).