Williams Lake, British Columbia, Canada Historical Air Quality Analysis
Dive into detailed Air Quality Insights with historical data, monthly patterns, and yearly trends at your fingertips!
August Air Quality Analysis
Williams Lake, British Columbia, Canada
AQI Trends: Highest and Lowest
Same Day Analysis (12th August):
On this day, AQI across the 5 years varied significantly: 2026 ranks 1st highest AQI at 49 of Good air quality on the same day.
Day & Night AQI Trend: 12th Aug - 13th Aug 2026
Williams Lake, British Columbia, Canada
5 AM12th Aug 2026
9 PM
4 AM13th Aug 2026
83AQI
36AQI
51AQI
44AQI
In the last 24 hours,
Williams Lake's AQI reached its highest point of 83 at 7 PM during the Day, while the lowest point, 36, was recorded at 5 PM during the Day between 12th Aug and 13th Aug 2026.
Day & Night AQI Trend : Jul - Aug 2026
Williams Lake, British Columbia, Canada
20°C11/29°C
22°C12/31°C
23°C16/33°C
16°C13/22°C
15°C11/20°C
19°C10/27°C
21°C12/30°C
23°C14/33°C
22°C15/32°C
21°C14/29°C
18°C10/27°C
17°C11/23°C
16°C11/23°C
17°C10/24°C
16°C7/23°C
18°C12/25°C
19°C12/28°C
13°C9/21°C
9°C5/15°C
14°C5/22°C
18°C8/27°C
20°C10/29°C
21°C11/29°C
21°C13/30°C
19°C13/28°C
18°C11/25°C
17°C11/22°C
15°C10/22°C
16°C8/24°C
16°C9/24°C
77AQI
62AQI
67AQI
63AQI
2026 Days Vs Air Quality
Williams Lake, British Columbia, Canada
90%
199
8%
17
2%
4
0.4%
1
Total number of days with different AQI categories in last 225 days in 2026 (140 days remaining)
Under WHO’s Safe Air Quality Limits: 90%
Health Risk Level:
Very Low
In 2026, 90% of 225 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
Williams Lake, British Columbia, Canada
AQI levels in 2026
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
38AQI (US)
62AQI (US)
36AQI (US)
41AQI (US)
22AQI (US)
19AQI (US)
34AQI (US)
45AQI (US)
23AQI (US)
15AQI (US)
12AQI (US)
21AQI (US)
13AQI (US)
29AQI (US)
52AQI (US)
59AQI (US)
34AQI (US)
48AQI (US)
42AQI (US)
45AQI (US)
34AQI (US)
32AQI (US)
46AQI (US)
49AQI (US)
33AQI (US)
30AQI (US)
22AQI (US)
19AQI (US)
40AQI (US)
38AQI (US)
38AQI (US)
43AQI (US)
28AQI (US)
34AQI (US)
38AQI (US)
42AQI (US)
32AQI (US)
29AQI (US)
32AQI (US)
23AQI (US)
31AQI (US)
24AQI (US)
29AQI (US)
26AQI (US)
22AQI (US)
18AQI (US)
29AQI (US)
34AQI (US)
28AQI (US)
34AQI (US)
25AQI (US)
30AQI (US)
20AQI (US)
26AQI (US)
19AQI (US)
31AQI (US)
24AQI (US)
16AQI (US)
20AQI (US)
27AQI (US)
39AQI (US)
27AQI (US)
29AQI (US)
34AQI (US)
31AQI (US)
37AQI (US)
23AQI (US)
22AQI (US)
27AQI (US)
32AQI (US)
27AQI (US)
21AQI (US)
17AQI (US)
24AQI (US)
32AQI (US)
30AQI (US)
24AQI (US)
21AQI (US)
29AQI (US)
24AQI (US)
17AQI (US)
18AQI (US)
22AQI (US)
19AQI (US)
20AQI (US)
22AQI (US)
21AQI (US)
16AQI (US)
16AQI (US)
19AQI (US)
26AQI (US)
16AQI (US)
21AQI (US)
15AQI (US)
18AQI (US)
22AQI (US)
16AQI (US)
19AQI (US)
20AQI (US)
43AQI (US)
29AQI (US)
15AQI (US)
23AQI (US)
25AQI (US)
21AQI (US)
14AQI (US)
20AQI (US)
15AQI (US)
14AQI (US)
16AQI (US)
18AQI (US)
19AQI (US)
15AQI (US)
18AQI (US)
18AQI (US)
22AQI (US)
23AQI (US)
24AQI (US)
23AQI (US)
20AQI (US)
21AQI (US)
24AQI (US)
22AQI (US)
25AQI (US)
22AQI (US)
24AQI (US)
19AQI (US)
20AQI (US)
17AQI (US)
26AQI (US)
20AQI (US)
34AQI (US)
44AQI (US)
31AQI (US)
21AQI (US)
24AQI (US)
27AQI (US)
20AQI (US)
21AQI (US)
22AQI (US)
21AQI (US)
19AQI (US)
15AQI (US)
18AQI (US)
16AQI (US)
13AQI (US)
13AQI (US)
16AQI (US)
14AQI (US)
15AQI (US)
20AQI (US)
16AQI (US)
23AQI (US)
23AQI (US)
23AQI (US)
20AQI (US)
17AQI (US)
25AQI (US)
15AQI (US)
13AQI (US)
13AQI (US)
16AQI (US)
16AQI (US)
16AQI (US)
17AQI (US)
16AQI (US)
20AQI (US)
13AQI (US)
14AQI (US)
14AQI (US)
18AQI (US)
17AQI (US)
16AQI (US)
20AQI (US)
25AQI (US)
18AQI (US)
16AQI (US)
13AQI (US)
14AQI (US)
19AQI (US)
19AQI (US)
22AQI (US)
16AQI (US)
22AQI (US)
15AQI (US)
12AQI (US)
15AQI (US)
22AQI (US)
20AQI (US)
22AQI (US)
13AQI (US)
17AQI (US)
24AQI (US)
20AQI (US)
53AQI (US)
46AQI (US)
39AQI (US)
54AQI (US)
106AQI (US)
98AQI (US)
88AQI (US)
62AQI (US)
112AQI (US)
163AQI (US)
107AQI (US)
76AQI (US)
59AQI (US)
79AQI (US)
106AQI (US)
87AQI (US)
49AQI (US)
46AQI (US)
55AQI (US)
87AQI (US)
87AQI (US)
60AQI (US)
49AQI (US)
52AQI (US)
46AQI (US)
43AQI (US)
49AQI (US)
35AQI (US)
28AQI (US)
25AQI (US)
20AQI (US)
22AQI (US)
17AQI (US)
50AQI (US)
59AQI (US)
No. of days
202630AQI (US)
Highest AQI (US) recorded in
August59AQI (US)
Lowest AQI (US) recorded in
June17AQI (US)
202530AQI (US)
Highest AQI (US) recorded in
September53AQI (US)
Lowest AQI (US) recorded in
May18AQI (US)
202420AQI (US)
Highest AQI (US) recorded in
December28AQI (US)
Lowest AQI (US) recorded in
June14AQI (US)
202329AQI (US)
Highest AQI (US) recorded in
July46AQI (US)
Lowest AQI (US) recorded in
December15AQI (US)
202229AQI (US)
Highest AQI (US) recorded in
November39AQI (US)
Lowest AQI (US) recorded in
May18AQI (US)
202129AQI (US)
Highest AQI (US) recorded in
July61AQI (US)
Lowest AQI (US) recorded in
May16AQI (US)
202022AQI (US)
Highest AQI (US) recorded in
March26AQI (US)
Lowest AQI (US) recorded in
June15AQI (US)
Most & Least Polluted Years Over the Last 7 Years
Williams Lake's annual 2026 AQI (US) (30) shows an average percentage change of 16.1% (worsened AQI (US)) compared to previous years: 2020 (22), 2021 (29), 2022 (29), 2023 (29), 2024 (20), 2025 (30).