Courtenay, British Columbia, Canada Historical Air Quality Analysis
Dive into detailed Air Quality Insights with historical data, monthly patterns, and yearly trends at your fingertips!
July Air Quality Analysis
Courtenay, British Columbia, Canada
AQI Trends: Highest and Lowest
Same Day Analysis (31st July ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 2nd highest AQI at 31 of Good air quality, showing improvement over 2021 on the same day.
Download 2024 Annual Data
World Air Quality Report
2025 Days Vs Air Quality
Courtenay, British Columbia, Canada
91%
193
9%
19
Total number of days with different AQI categories in last 213 days in 2025 (152 days remaining)
Under WHO’s Safe Air Quality Limits: 91%
Health Risk Level:
Very Low
In 2025, 91% of 213 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
Courtenay, British Columbia, Canada
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
57AQI
59AQI
54AQI
49AQI
46AQI
42AQI
32AQI
56AQI
48AQI
54AQI
41AQI
53AQI
75AQI
62AQI
58AQI
36AQI
32AQI
46AQI
50AQI
55AQI
51AQI
53AQI
54AQI
42AQI
52AQI
53AQI
53AQI
49AQI
49AQI
54AQI
28AQI
30AQI
33AQI
24AQI
26AQI
40AQI
40AQI
43AQI
55AQI
49AQI
47AQI
41AQI
50AQI
50AQI
51AQI
28AQI
28AQI
37AQI
45AQI
21AQI
28AQI
20AQI
24AQI
21AQI
23AQI
20AQI
24AQI
28AQI
28AQI
38AQI
35AQI
28AQI
24AQI
25AQI
30AQI
35AQI
21AQI
36AQI
39AQI
43AQI
27AQI
28AQI
31AQI
25AQI
27AQI
26AQI
31AQI
24AQI
23AQI
21AQI
21AQI
19AQI
25AQI
22AQI
20AQI
18AQI
19AQI
18AQI
29AQI
22AQI
22AQI
25AQI
28AQI
32AQI
38AQI
29AQI
16AQI
14AQI
19AQI
21AQI
19AQI
23AQI
24AQI
27AQI
19AQI
22AQI
19AQI
23AQI
19AQI
19AQI
18AQI
23AQI
21AQI
28AQI
35AQI
27AQI
27AQI
22AQI
20AQI
20AQI
28AQI
30AQI
17AQI
18AQI
21AQI
24AQI
22AQI
18AQI
22AQI
24AQI
19AQI
18AQI
23AQI
20AQI
22AQI
15AQI
16AQI
14AQI
16AQI
12AQI
15AQI
17AQI
16AQI
18AQI
20AQI
18AQI
16AQI
21AQI
16AQI
18AQI
18AQI
17AQI
21AQI
18AQI
16AQI
17AQI
15AQI
17AQI
19AQI
19AQI
25AQI
28AQI
30AQI
24AQI
20AQI
21AQI
20AQI
20AQI
17AQI
17AQI
19AQI
19AQI
19AQI
21AQI
28AQI
30AQI
20AQI
16AQI
14AQI
20AQI
22AQI
22AQI
18AQI
18AQI
19AQI
20AQI
21AQI
22AQI
20AQI
15AQI
18AQI
20AQI
19AQI
19AQI
17AQI
23AQI
32AQI
35AQI
36AQI
30AQI
28AQI
28AQI
27AQI
27AQI
28AQI
21AQI
23AQI
27AQI
30AQI
33AQI
36AQI
31AQI
50AQI
34AQI
27AQI
23AQI
19AQI
20AQI
25AQI
No. of days
202528AQI
Highest AQI recorded in
January50AQI
Lowest AQI recorded in
May19AQI
202424AQI
Highest AQI recorded in
December47AQI
Lowest AQI recorded in
June14AQI
202326AQI
Highest AQI recorded in
November34AQI
Lowest AQI recorded in
July16AQI
202229AQI
Highest AQI recorded in
February43AQI
Lowest AQI recorded in
June16AQI
202129AQI
Highest AQI recorded in
December42AQI
Lowest AQI recorded in
May17AQI
202031AQI
Highest AQI recorded in
September57AQI
Lowest AQI recorded in
June11AQI
Most & Least Polluted Years Over the Last 6 Years
Courtenay's annual 2025 AQI (28) shows an average percentage change of 2.5% (worsened AQI) compared to previous years: 2020 (31), 2021 (29), 2022 (29), 2023 (26), 2024 (24).
