Port Way, Clarkston, Washington, United States Historical Air Quality Analysis
Dive into detailed Air Quality Insights with historical data, monthly patterns, and yearly trends at your fingertips!
September Air Quality Analysis
Port Way, Clarkston, Washington, United States
AQI Trends: Highest and Lowest
Same Day Analysis (28th September ):
On this day, AQI across the 1 years varied significantly: 2025 ranks 1st highest AQI at 69 of Moderate air quality on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 28th Sep - 29th Sep 2025
Port Way, Clarkston, Washington, United States
6 AM28th Sep 2025
7 PM
5 AM29th Sep 2025
76AQI
52AQI
56AQI
48AQI
In the last 24 hours,
Port Way's AQI reached its highest point of 76 at 6 AM during the Day, while the lowest point, 48, was recorded at 8 PM during the Night between 28th Sep and 29th Sep 2025.
Day & Night AQI Trend : Aug - Sep 2025
Port Way, Clarkston, Washington, United States
25°C14/37°C
28°C17/41°C
29°C19/41°C
28°C17/40°C
28°C18/40°C
27°C16/38°C
26°C15/37°C
23°C15/37°C
23°C13/34°C
22°C13/32°C
22°C16/31°C
21°C13/31°C
21°C14/30°C
18°C15/25°C
20°C11/31°C
16°C13/20°C
15°C10/21°C
17°C7/30°C
22°C11/33°C
23°C15/33°C
24°C16/33°C
24°C17/33°C
20°C13/29°C
17°C10/25°C
19°C9/30°C
23°C14/34°C
22°C13/33°C
19°C12/26°C
19°C10/29°C
21°C13/32°C
--°C/°C
61AQI
53AQI
53AQI
51AQI
2025 Days Vs Air Quality
Port Way, Clarkston, Washington, United States
86%
161
13%
25
0.5%
1
Total number of days with different AQI categories in last 272 days in 2025 (93 days remaining)
Under WHO’s Safe Air Quality Limits: 86%
Health Risk Level:
Low
In 2025, 86% of 272 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
Port Way, Clarkston, Washington, United States
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
24AQI
30AQI
26AQI
27AQI
33AQI
18AQI
31AQI
27AQI
29AQI
28AQI
29AQI
30AQI
26AQI
22AQI
21AQI
24AQI
18AQI
19AQI
21AQI
31AQI
35AQI
37AQI
17AQI
26AQI
30AQI
28AQI
16AQI
23AQI
28AQI
37AQI
34AQI
35AQI
41AQI
28AQI
26AQI
26AQI
28AQI
31AQI
33AQI
14AQI
19AQI
20AQI
27AQI
17AQI
28AQI
29AQI
23AQI
17AQI
18AQI
24AQI
23AQI
19AQI
13AQI
12AQI
14AQI
12AQI
15AQI
17AQI
20AQI
22AQI
26AQI
22AQI
19AQI
24AQI
25AQI
21AQI
26AQI
18AQI
21AQI
23AQI
24AQI
28AQI
31AQI
31AQI
33AQI
36AQI
42AQI
38AQI
35AQI
25AQI
21AQI
22AQI
28AQI
30AQI
23AQI
20AQI
20AQI
13AQI
13AQI
25AQI
42AQI
39AQI
25AQI
15AQI
16AQI
17AQI
21AQI
23AQI
23AQI
27AQI
20AQI
29AQI
23AQI
24AQI
27AQI
28AQI
19AQI
21AQI
30AQI
26AQI
30AQI
24AQI
38AQI
37AQI
39AQI
34AQI
35AQI
34AQI
32AQI
38AQI
35AQI
29AQI
22AQI
20AQI
22AQI
29AQI
31AQI
42AQI
45AQI
47AQI
38AQI
38AQI
32AQI
31AQI
23AQI
18AQI
19AQI
24AQI
29AQI
30AQI
37AQI
35AQI
23AQI
14AQI
19AQI
23AQI
29AQI
28AQI
26AQI
40AQI
58AQI
57AQI
61AQI
58AQI
61AQI
61AQI
56AQI
55AQI
57AQI
56AQI
59AQI
62AQI
61AQI
88AQI
106AQI
57AQI
49AQI
48AQI
56AQI
52AQI
45AQI
54AQI
43AQI
25AQI
33AQI
36AQI
42AQI
47AQI
55AQI
51AQI
33AQI
54AQI
52AQI
39AQI
67AQI
74AQI
69AQI
26AQI
27AQI
21AQI
26AQI
29AQI
38AQI
54AQI
No. of days
202532AQI
Highest AQI recorded in
September54AQI
Lowest AQI recorded in
May21AQI
Most & Least Polluted Years Over the Last 1 Years
Port Way's annual 2025 AQI (32) shows an average percentage change of NaN% (improved AQI) compared to previous years: .