Port Angeles, 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
Port Angeles, Washington, United States
AQI Trends: Highest and Lowest
Same Day Analysis (15th August):
On this day, AQI across the 5 years varied significantly: 2026 ranks 1st highest AQI at 66 of Moderate air quality on the same day.
Day & Night AQI Trend: 15th Aug - 16th Aug 2026
Port Angeles, Washington, United States
5 AM15th Aug 2026
8 PM
4 AM16th Aug 2026
164AQI
50AQI
68AQI
26AQI
In the last 24 hours,
Port Angeles's AQI reached its highest point of 164 at 2 PM during the Day, while the lowest point, 26, was recorded at 1 AM during the Night between 15th Aug and 16th Aug 2026.
Day & Night AQI Trend : Jul - Aug 2026
Port Angeles, Washington, United States
16°C12/21°C
16°C11/24°C
19°C12/27°C
21°C14/29°C
23°C15/31°C
18°C14/22°C
18°C14/24°C
16°C13/20°C
15°C13/16°C
16°C12/21°C
16°C13/20°C
16°C11/22°C
17°C12/23°C
18°C13/25°C
17°C14/23°C
16°C12/21°C
17°C10/25°C
20°C13/27°C
20°C13/28°C
17°C11/24°C
17°C11/24°C
16°C11/23°C
15°C12/21°C
15°C12/21°C
16°C12/22°C
17°C13/23°C
17°C13/22°C
15°C12/20°C
15°C11/18°C
15°C10/21°C
67AQI
49AQI
51AQI
46AQI
2026 Days Vs Air Quality
Port Angeles, Washington, United States
91%
203
9%
21
Total number of days with different AQI categories in last 228 days in 2026 (137 days remaining)
Under WHO’s Safe Air Quality Limits: 91%
Health Risk Level:
Very Low
In 2026, 91% of 228 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 Angeles, Washington, United States
AQI levels in 2026
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
54AQI (US)
55AQI (US)
46AQI (US)
26AQI (US)
28AQI (US)
24AQI (US)
18AQI (US)
23AQI (US)
43AQI (US)
34AQI (US)
32AQI (US)
28AQI (US)
26AQI (US)
16AQI (US)
21AQI (US)
33AQI (US)
40AQI (US)
38AQI (US)
38AQI (US)
47AQI (US)
40AQI (US)
46AQI (US)
53AQI (US)
49AQI (US)
46AQI (US)
45AQI (US)
41AQI (US)
46AQI (US)
52AQI (US)
45AQI (US)
44AQI (US)
49AQI (US)
49AQI (US)
49AQI (US)
48AQI (US)
48AQI (US)
39AQI (US)
39AQI (US)
46AQI (US)
45AQI (US)
47AQI (US)
46AQI (US)
46AQI (US)
53AQI (US)
48AQI (US)
40AQI (US)
44AQI (US)
46AQI (US)
40AQI (US)
42AQI (US)
42AQI (US)
37AQI (US)
36AQI (US)
40AQI (US)
41AQI (US)
38AQI (US)
34AQI (US)
32AQI (US)
36AQI (US)
40AQI (US)
49AQI (US)
46AQI (US)
47AQI (US)
39AQI (US)
32AQI (US)
42AQI (US)
40AQI (US)
40AQI (US)
34AQI (US)
39AQI (US)
40AQI (US)
38AQI (US)
36AQI (US)
35AQI (US)
36AQI (US)
34AQI (US)
32AQI (US)
32AQI (US)
40AQI (US)
37AQI (US)
36AQI (US)
39AQI (US)
36AQI (US)
34AQI (US)
25AQI (US)
30AQI (US)
35AQI (US)
30AQI (US)
26AQI (US)
25AQI (US)
32AQI (US)
34AQI (US)
26AQI (US)
29AQI (US)
27AQI (US)
26AQI (US)
27AQI (US)
30AQI (US)
28AQI (US)
31AQI (US)
32AQI (US)
29AQI (US)
34AQI (US)
36AQI (US)
33AQI (US)
31AQI (US)
33AQI (US)
34AQI (US)
30AQI (US)
28AQI (US)
26AQI (US)
30AQI (US)
33AQI (US)
33AQI (US)
28AQI (US)
24AQI (US)
23AQI (US)
26AQI (US)
26AQI (US)
24AQI (US)
21AQI (US)
28AQI (US)
32AQI (US)
30AQI (US)
27AQI (US)
26AQI (US)
33AQI (US)
30AQI (US)
28AQI (US)
28AQI (US)
26AQI (US)
44AQI (US)
52AQI (US)
57AQI (US)
57AQI (US)
55AQI (US)
49AQI (US)
40AQI (US)
50AQI (US)
50AQI (US)
46AQI (US)
43AQI (US)
28AQI (US)
28AQI (US)
28AQI (US)
26AQI (US)
28AQI (US)
30AQI (US)
31AQI (US)
31AQI (US)
30AQI (US)
25AQI (US)
28AQI (US)
25AQI (US)
24AQI (US)
26AQI (US)
26AQI (US)
27AQI (US)
27AQI (US)
27AQI (US)
25AQI (US)
24AQI (US)
26AQI (US)
27AQI (US)
28AQI (US)
27AQI (US)
24AQI (US)
24AQI (US)
22AQI (US)
25AQI (US)
24AQI (US)
25AQI (US)
25AQI (US)
27AQI (US)
29AQI (US)
27AQI (US)
25AQI (US)
26AQI (US)
26AQI (US)
27AQI (US)
28AQI (US)
25AQI (US)
25AQI (US)
27AQI (US)
29AQI (US)
27AQI (US)
29AQI (US)
32AQI (US)
30AQI (US)
29AQI (US)
31AQI (US)
30AQI (US)
28AQI (US)
28AQI (US)
42AQI (US)
36AQI (US)
30AQI (US)
39AQI (US)
50AQI (US)
55AQI (US)
47AQI (US)
50AQI (US)
58AQI (US)
42AQI (US)
45AQI (US)
33AQI (US)
42AQI (US)
63AQI (US)
58AQI (US)
48AQI (US)
28AQI (US)
58AQI (US)
48AQI (US)
62AQI (US)
59AQI (US)
50AQI (US)
48AQI (US)
75AQI (US)
66AQI (US)
66AQI (US)
73AQI (US)
49AQI (US)
47AQI (US)
66AQI (US)
38AQI (US)
43AQI (US)
36AQI (US)
30AQI (US)
36AQI (US)
26AQI (US)
37AQI (US)
56AQI (US)
No. of days
202636AQI (US)
Highest AQI (US) recorded in
August56AQI (US)
Lowest AQI (US) recorded in
June26AQI (US)
202529AQI (US)
Highest AQI (US) recorded in
November42AQI (US)
Lowest AQI (US) recorded in
May19AQI (US)
202424AQI (US)
Highest AQI (US) recorded in
December35AQI (US)
Lowest AQI (US) recorded in
June17AQI (US)
202329AQI (US)
Highest AQI (US) recorded in
November47AQI (US)
Lowest AQI (US) recorded in
July18AQI (US)
202229AQI (US)
Highest AQI (US) recorded in
November46AQI (US)
Lowest AQI (US) recorded in
July17AQI (US)
202125AQI (US)
Highest AQI (US) recorded in
January37AQI (US)
Lowest AQI (US) recorded in
July16AQI (US)
202031AQI (US)
Highest AQI (US) recorded in
September70AQI (US)
Lowest AQI (US) recorded in
June15AQI (US)
Most & Least Polluted Years Over the Last 7 Years
Port Angeles's annual 2026 AQI (US) (36) shows an average percentage change of 30.4% (worsened AQI (US)) compared to previous years: 2020 (31), 2021 (25), 2022 (29), 2023 (29), 2024 (24), 2025 (29).