Vancouver, Washington, United States 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
Vancouver, Washington, United States
AQI Trends: Highest and Lowest
Same Day Analysis (5th August):
On this day, AQI across the 5 years varied significantly: 2026 ranks 1st highest AQI at 72 of Moderate air quality on the same day.
Day & Night AQI Trend: 4th Aug - 5th Aug 2026
Vancouver, Washington, United States
5 AM4th Aug 2026
8 PM
4 AM5th Aug 2026
87AQI
60AQI
75AQI
61AQI
In the last 24 hours,
Vancouver's AQI reached its highest point of 87 at 9 AM during the Day, while the lowest point, 60, was recorded at 4 PM during the Day between 4th Aug and 5th Aug 2026.
Day & Night AQI Trend : Jul - Aug 2026
Vancouver, Washington, United States
21°C14/30°C
20°C15/28°C
20°C12/30°C
20°C14/29°C
19°C15/27°C
19°C12/28°C
22°C12/32°C
23°C15/33°C
23°C16/32°C
19°C16/26°C
19°C12/26°C
20°C13/29°C
22°C14/31°C
24°C16/34°C
28°C17/40°C
29°C21/40°C
21°C17/29°C
23°C16/33°C
20°C15/24°C
21°C16/29°C
22°C14/31°C
20°C16/27°C
20°C14/29°C
21°C13/30°C
23°C14/33°C
19°C16/23°C
18°C12/25°C
21°C12/32°C
24°C14/36°C
24°C15/35°C
52AQI
44AQI
50AQI
41AQI
2026 Days Vs Air Quality
Vancouver, Washington, United States
86%
185
13%
28
0.4%
1
Total number of days with different AQI categories in last 217 days in 2026 (148 days remaining)
Under WHO’s Safe Air Quality Limits: 86%
Health Risk Level:
Low
In 2026, 86% of 217 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
Vancouver, Washington, United States
AQI levels in 2026
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
108AQI (US)
33AQI (US)
28AQI (US)
20AQI (US)
24AQI (US)
34AQI (US)
24AQI (US)
25AQI (US)
22AQI (US)
42AQI (US)
46AQI (US)
30AQI (US)
54AQI (US)
52AQI (US)
36AQI (US)
36AQI (US)
26AQI (US)
52AQI (US)
56AQI (US)
43AQI (US)
48AQI (US)
49AQI (US)
54AQI (US)
50AQI (US)
46AQI (US)
47AQI (US)
44AQI (US)
47AQI (US)
52AQI (US)
48AQI (US)
46AQI (US)
48AQI (US)
50AQI (US)
50AQI (US)
48AQI (US)
47AQI (US)
39AQI (US)
40AQI (US)
46AQI (US)
45AQI (US)
47AQI (US)
45AQI (US)
46AQI (US)
52AQI (US)
49AQI (US)
41AQI (US)
45AQI (US)
46AQI (US)
42AQI (US)
42AQI (US)
41AQI (US)
35AQI (US)
36AQI (US)
40AQI (US)
45AQI (US)
41AQI (US)
35AQI (US)
35AQI (US)
38AQI (US)
41AQI (US)
54AQI (US)
46AQI (US)
46AQI (US)
42AQI (US)
38AQI (US)
40AQI (US)
40AQI (US)
41AQI (US)
36AQI (US)
43AQI (US)
42AQI (US)
40AQI (US)
36AQI (US)
36AQI (US)
37AQI (US)
34AQI (US)
32AQI (US)
31AQI (US)
38AQI (US)
36AQI (US)
36AQI (US)
40AQI (US)
36AQI (US)
32AQI (US)
30AQI (US)
29AQI (US)
34AQI (US)
30AQI (US)
27AQI (US)
26AQI (US)
33AQI (US)
33AQI (US)
26AQI (US)
31AQI (US)
28AQI (US)
26AQI (US)
27AQI (US)
30AQI (US)
28AQI (US)
31AQI (US)
33AQI (US)
28AQI (US)
34AQI (US)
34AQI (US)
34AQI (US)
29AQI (US)
33AQI (US)
33AQI (US)
28AQI (US)
27AQI (US)
24AQI (US)
29AQI (US)
30AQI (US)
33AQI (US)
28AQI (US)
24AQI (US)
23AQI (US)
26AQI (US)
26AQI (US)
23AQI (US)
23AQI (US)
29AQI (US)
33AQI (US)
31AQI (US)
28AQI (US)
28AQI (US)
34AQI (US)
31AQI (US)
28AQI (US)
28AQI (US)
25AQI (US)
46AQI (US)
51AQI (US)
57AQI (US)
57AQI (US)
55AQI (US)
49AQI (US)
41AQI (US)
49AQI (US)
50AQI (US)
46AQI (US)
43AQI (US)
28AQI (US)
28AQI (US)
27AQI (US)
26AQI (US)
28AQI (US)
29AQI (US)
31AQI (US)
31AQI (US)
30AQI (US)
26AQI (US)
27AQI (US)
24AQI (US)
24AQI (US)
26AQI (US)
26AQI (US)
27AQI (US)
27AQI (US)
26AQI (US)
25AQI (US)
24AQI (US)
26AQI (US)
27AQI (US)
28AQI (US)
27AQI (US)
25AQI (US)
24AQI (US)
23AQI (US)
25AQI (US)
24AQI (US)
24AQI (US)
25AQI (US)
28AQI (US)
29AQI (US)
27AQI (US)
25AQI (US)
26AQI (US)
26AQI (US)
28AQI (US)
28AQI (US)
25AQI (US)
25AQI (US)
28AQI (US)
29AQI (US)
27AQI (US)
29AQI (US)
32AQI (US)
30AQI (US)
29AQI (US)
30AQI (US)
30AQI (US)
28AQI (US)
28AQI (US)
60AQI (US)
58AQI (US)
48AQI (US)
57AQI (US)
56AQI (US)
56AQI (US)
52AQI (US)
58AQI (US)
62AQI (US)
58AQI (US)
61AQI (US)
56AQI (US)
46AQI (US)
60AQI (US)
50AQI (US)
46AQI (US)
53AQI (US)
62AQI (US)
71AQI (US)
72AQI (US)
43AQI (US)
43AQI (US)
37AQI (US)
29AQI (US)
36AQI (US)
26AQI (US)
42AQI (US)
61AQI (US)
No. of days
202637AQI (US)
Highest AQI (US) recorded in
August61AQI (US)
Lowest AQI (US) recorded in
June26AQI (US)
202530AQI (US)
Highest AQI (US) recorded in
November46AQI (US)
Lowest AQI (US) recorded in
May17AQI (US)
202420AQI (US)
Highest AQI (US) recorded in
December31AQI (US)
Lowest AQI (US) recorded in
May13AQI (US)
202326AQI (US)
Highest AQI (US) recorded in
November42AQI (US)
Lowest AQI (US) recorded in
April17AQI (US)
202230AQI (US)
Highest AQI (US) recorded in
October53AQI (US)
Lowest AQI (US) recorded in
May16AQI (US)
202124AQI (US)
Highest AQI (US) recorded in
March37AQI (US)
Lowest AQI (US) recorded in
July14AQI (US)
202038AQI (US)
Highest AQI (US) recorded in
September118AQI (US)
Lowest AQI (US) recorded in
June13AQI (US)
Most & Least Polluted Years Over the Last 7 Years
Vancouver's annual 2026 AQI (US) (37) shows an average percentage change of 37.5% (worsened AQI (US)) compared to previous years: 2020 (38), 2021 (24), 2022 (30), 2023 (26), 2024 (20), 2025 (30).