Harmac Cedar Woobank, Nanaimo, British Columbia, Canada Historical Air Quality Analysis
Dive into detailed Air Quality Insights with historical data, monthly patterns, and yearly trends at your fingertips!
October Air Quality Analysis
Harmac Cedar Woobank, Nanaimo, British Columbia, Canada
AQI Trends: Highest and Lowest
Same Day Analysis (10th October ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 1st highest AQI at 49 of Good air quality on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 10th Oct - 11th Oct 2025
Harmac Cedar Woobank, Nanaimo, British Columbia, Canada
7 AM10th Oct 2025
7 PM
6 AM11th Oct 2025
59AQI
24AQI
60AQI
20AQI
In the last 24 hours,
Harmac Cedar Woobank's AQI reached its highest point of 60 at 9 PM during the Night, while the lowest point, 20, was recorded at 6 AM during the Night between 10th Oct and 11th Oct 2025.
Day & Night AQI Trend : Sep - Oct 2025
Harmac Cedar Woobank, Nanaimo, British Columbia, Canada
17°C14/20°C
16°C14/19°C
16°C14/19°C
16°C15/18°C
16°C14/18°C
19°C13/25°C
18°C15/22°C
17°C13/22°C
18°C13/24°C
17°C14/20°C
16°C13/20°C
15°C10/22°C
18°C11/26°C
18°C13/25°C
14°C8/20°C
14°C9/20°C
15°C12/19°C
15°C11/19°C
15°C12/18°C
14°C10/20°C
14°C9/18°C
14°C11/16°C
12°C9/15°C
13°C9/19°C
13°C7/20°C
13°C7/22°C
12°C7/19°C
11°C8/17°C
12°C8/17°C
11°C8/15°C
--°C/°C
33AQI
23AQI
34AQI
27AQI
2025 Days Vs Air Quality
Harmac Cedar Woobank, Nanaimo, British Columbia, Canada
87%
245
13%
38
Total number of days with different AQI categories in last 284 days in 2025 (81 days remaining)
Under WHO’s Safe Air Quality Limits: 87%
Health Risk Level:
Low
In 2025, 87% of 284 days were within WHO’s safe air quality limits. The risk of health issues is Low, but the long-term effects, especially on vulnerable individuals, remain uncertain.
Annual Air Quality Insights
Harmac Cedar Woobank, Nanaimo, British Columbia, Canada
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
59AQI
57AQI
57AQI
58AQI
57AQI
57AQI
57AQI
59AQI
58AQI
58AQI
58AQI
59AQI
58AQI
60AQI
60AQI
60AQI
58AQI
60AQI
59AQI
58AQI
60AQI
61AQI
63AQI
60AQI
58AQI
61AQI
60AQI
61AQI
59AQI
52AQI
25AQI
21AQI
23AQI
26AQI
24AQI
38AQI
29AQI
36AQI
54AQI
48AQI
39AQI
31AQI
27AQI
35AQI
39AQI
24AQI
22AQI
28AQI
27AQI
21AQI
19AQI
20AQI
20AQI
17AQI
21AQI
17AQI
23AQI
28AQI
36AQI
43AQI
40AQI
24AQI
22AQI
26AQI
28AQI
28AQI
24AQI
40AQI
36AQI
35AQI
30AQI
26AQI
25AQI
22AQI
20AQI
24AQI
20AQI
21AQI
17AQI
19AQI
17AQI
17AQI
20AQI
21AQI
21AQI
17AQI
16AQI
16AQI
36AQI
19AQI
21AQI
22AQI
33AQI
37AQI
33AQI
31AQI
15AQI
13AQI
15AQI
23AQI
18AQI
28AQI
23AQI
32AQI
19AQI
21AQI
22AQI
24AQI
25AQI
21AQI
22AQI
28AQI
25AQI
28AQI
33AQI
31AQI
31AQI
24AQI
19AQI
23AQI
28AQI
29AQI
20AQI
20AQI
23AQI
21AQI
27AQI
19AQI
20AQI
24AQI
20AQI
22AQI
26AQI
21AQI
21AQI
14AQI
14AQI
16AQI
16AQI
12AQI
16AQI
19AQI
16AQI
21AQI
18AQI
17AQI
16AQI
22AQI
14AQI
17AQI
16AQI
15AQI
18AQI
21AQI
18AQI
21AQI
15AQI
20AQI
23AQI
21AQI
26AQI
29AQI
27AQI
27AQI
19AQI
19AQI
18AQI
20AQI
15AQI
17AQI
18AQI
13AQI
13AQI
18AQI
30AQI
30AQI
16AQI
14AQI
13AQI
23AQI
23AQI
20AQI
18AQI
17AQI
20AQI
20AQI
18AQI
20AQI
20AQI
15AQI
16AQI
20AQI
21AQI
20AQI
16AQI
22AQI
36AQI
40AQI
33AQI
25AQI
24AQI
26AQI
21AQI
21AQI
27AQI
19AQI
21AQI
23AQI
28AQI
32AQI
36AQI
27AQI
19AQI
20AQI
21AQI
39AQI
30AQI
41AQI
18AQI
18AQI
27AQI
24AQI
19AQI
21AQI
19AQI
21AQI
18AQI
13AQI
15AQI
18AQI
19AQI
20AQI
26AQI
23AQI
29AQI
40AQI
47AQI
50AQI
52AQI
52AQI
53AQI
37AQI
43AQI
43AQI
36AQI
60AQI
48AQI
56AQI
57AQI
30AQI
24AQI
30AQI
27AQI
27AQI
21AQI
20AQI
35AQI
21AQI
24AQI
42AQI
24AQI
28AQI
27AQI
24AQI
22AQI
27AQI
30AQI
20AQI
28AQI
21AQI
17AQI
21AQI
14AQI
27AQI
27AQI
36AQI
41AQI
30AQI
52AQI
46AQI
50AQI
45AQI
49AQI
58AQI
28AQI
25AQI
25AQI
20AQI
20AQI
23AQI
29AQI
30AQI
40AQI
No. of days
202529AQI
Highest AQI recorded in
January58AQI
Lowest AQI recorded in
May20AQI
202424AQI
Highest AQI recorded in
December49AQI
Lowest AQI recorded in
May17AQI
202327AQI
Highest AQI recorded in
November33AQI
Lowest AQI recorded in
July19AQI
202229AQI
Highest AQI recorded in
November49AQI
Lowest AQI recorded in
July15AQI
202129AQI
Highest AQI recorded in
January40AQI
Lowest AQI recorded in
September20AQI
202030AQI
Highest AQI recorded in
September57AQI
Lowest AQI recorded in
June14AQI
Most & Least Polluted Years Over the Last 6 Years
Harmac Cedar Woobank's annual 2025 AQI (29) shows an average percentage change of 4.7% (worsened AQI) compared to previous years: 2020 (30), 2021 (29), 2022 (29), 2023 (27), 2024 (24).