Pomeroy, Washington, United States 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
Pomeroy, Washington, United States
AQI Trends: Highest and Lowest
Same Day Analysis (1st October):
On this day, AQI across the 2 years varied significantly: 2026 ranks 1st highest AQI at 51 of Moderate air quality on the same day.
Day & Night AQI Trend: 1st Oct - 2nd Oct 2026
Pomeroy, Washington, United States
6 AM1st Oct 2026
6 PM
5 AM2nd Oct 2026
59AQI
20AQI
68AQI
34AQI
In the last 24 hours,
Pomeroy's AQI reached its highest point of 68 at 7 PM during the Night, while the lowest point, 20, was recorded at 6 PM during the Day between 1st Oct and 2nd Oct 2026.
Day & Night AQI Trend : Sep - Oct 2026
Pomeroy, Washington, United States
15°C11/18°C
13°C9/19°C
15°C10/22°C
14°C10/19°C
15°C10/21°C
16°C11/24°C
19°C13/26°C
21°C16/26°C
17°C13/22°C
17°C11/24°C
10°C8/14°C
13°C8/18°C
15°C11/18°C
17°C10/23°C
18°C14/20°C
19°C15/23°C
20°C16/24°C
21°C16/26°C
22°C17/26°C
21°C16/24°C
17°C13/21°C
19°C14/23°C
13°C8/22°C
10°C6/15°C
12°C7/16°C
14°C10/18°C
16°C13/19°C
15°C11/19°C
15°C9/21°C
17°C11/23°C
50AQI
45AQI
48AQI
44AQI
2026 Days Vs Air Quality
Pomeroy, Washington, United States
80%
218
20%
53
Total number of days with different AQI categories in last 275 days in 2026 (90 days remaining)
Under WHO’s Safe Air Quality Limits: 80%
Health Risk Level:
Low
In 2026, 80% of 275 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
Pomeroy, Washington, United States
AQI levels in 2026
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
36AQI (US)
19AQI (US)
16AQI (US)
16AQI (US)
23AQI (US)
14AQI (US)
10AQI (US)
11AQI (US)
18AQI (US)
19AQI (US)
21AQI (US)
18AQI (US)
18AQI (US)
21AQI (US)
30AQI (US)
16AQI (US)
15AQI (US)
18AQI (US)
18AQI (US)
21AQI (US)
28AQI (US)
48AQI (US)
53AQI (US)
47AQI (US)
44AQI (US)
45AQI (US)
43AQI (US)
45AQI (US)
50AQI (US)
45AQI (US)
43AQI (US)
47AQI (US)
47AQI (US)
46AQI (US)
44AQI (US)
46AQI (US)
37AQI (US)
37AQI (US)
44AQI (US)
44AQI (US)
46AQI (US)
42AQI (US)
42AQI (US)
49AQI (US)
47AQI (US)
37AQI (US)
43AQI (US)
44AQI (US)
42AQI (US)
39AQI (US)
40AQI (US)
33AQI (US)
34AQI (US)
38AQI (US)
40AQI (US)
39AQI (US)
33AQI (US)
32AQI (US)
35AQI (US)
37AQI (US)
50AQI (US)
44AQI (US)
44AQI (US)
41AQI (US)
35AQI (US)
38AQI (US)
38AQI (US)
38AQI (US)
34AQI (US)
40AQI (US)
39AQI (US)
38AQI (US)
34AQI (US)
33AQI (US)
33AQI (US)
32AQI (US)
31AQI (US)
30AQI (US)
36AQI (US)
35AQI (US)
33AQI (US)
36AQI (US)
35AQI (US)
32AQI (US)
29AQI (US)
28AQI (US)
32AQI (US)
28AQI (US)
26AQI (US)
25AQI (US)
31AQI (US)
32AQI (US)
25AQI (US)
31AQI (US)
27AQI (US)
25AQI (US)
26AQI (US)
28AQI (US)
27AQI (US)
30AQI (US)
30AQI (US)
27AQI (US)
31AQI (US)
33AQI (US)
32AQI (US)
28AQI (US)
31AQI (US)
32AQI (US)
27AQI (US)
27AQI (US)
23AQI (US)
27AQI (US)
30AQI (US)
33AQI (US)
26AQI (US)
23AQI (US)
22AQI (US)
25AQI (US)
25AQI (US)
23AQI (US)
23AQI (US)
28AQI (US)
31AQI (US)
29AQI (US)
27AQI (US)
26AQI (US)
31AQI (US)
29AQI (US)
26AQI (US)
28AQI (US)
25AQI (US)
46AQI (US)
51AQI (US)
57AQI (US)
57AQI (US)
55AQI (US)
49AQI (US)
40AQI (US)
48AQI (US)
49AQI (US)
46AQI (US)
42AQI (US)
27AQI (US)
28AQI (US)
27AQI (US)
26AQI (US)
28AQI (US)
29AQI (US)
31AQI (US)
31AQI (US)
29AQI (US)
25AQI (US)
27AQI (US)
25AQI (US)
24AQI (US)
26AQI (US)
26AQI (US)
27AQI (US)
27AQI (US)
27AQI (US)
25AQI (US)
24AQI (US)
26AQI (US)
28AQI (US)
28AQI (US)
27AQI (US)
25AQI (US)
24AQI (US)
22AQI (US)
24AQI (US)
24AQI (US)
24AQI (US)
25AQI (US)
28AQI (US)
29AQI (US)
27AQI (US)
25AQI (US)
26AQI (US)
26AQI (US)
27AQI (US)
28AQI (US)
25AQI (US)
25AQI (US)
27AQI (US)
29AQI (US)
26AQI (US)
28AQI (US)
32AQI (US)
30AQI (US)
29AQI (US)
30AQI (US)
30AQI (US)
28AQI (US)
29AQI (US)
59AQI (US)
56AQI (US)
46AQI (US)
55AQI (US)
68AQI (US)
71AQI (US)
70AQI (US)
66AQI (US)
57AQI (US)
57AQI (US)
64AQI (US)
66AQI (US)
60AQI (US)
65AQI (US)
59AQI (US)
59AQI (US)
55AQI (US)
67AQI (US)
70AQI (US)
73AQI (US)
72AQI (US)
72AQI (US)
66AQI (US)
57AQI (US)
53AQI (US)
58AQI (US)
52AQI (US)
69AQI (US)
56AQI (US)
60AQI (US)
53AQI (US)
49AQI (US)
53AQI (US)
60AQI (US)
57AQI (US)
57AQI (US)
56AQI (US)
48AQI (US)
44AQI (US)
55AQI (US)
54AQI (US)
48AQI (US)
45AQI (US)
43AQI (US)
48AQI (US)
57AQI (US)
54AQI (US)
49AQI (US)
49AQI (US)
37AQI (US)
45AQI (US)
47AQI (US)
43AQI (US)
42AQI (US)
47AQI (US)
54AQI (US)
52AQI (US)
47AQI (US)
38AQI (US)
27AQI (US)
44AQI (US)
44AQI (US)
46AQI (US)
52AQI (US)
48AQI (US)
49AQI (US)
48AQI (US)
54AQI (US)
52AQI (US)
52AQI (US)
52AQI (US)
36AQI (US)
44AQI (US)
57AQI (US)
50AQI (US)
50AQI (US)
51AQI (US)
28AQI (US)
41AQI (US)
35AQI (US)
28AQI (US)
35AQI (US)
26AQI (US)
44AQI (US)
57AQI (US)
47AQI (US)
51AQI (US)
No. of days
202638AQI (US)
Highest AQI (US) recorded in
August57AQI (US)
Lowest AQI (US) recorded in
June26AQI (US)
202527AQI (US)
Highest AQI (US) recorded in
September51AQI (US)
Lowest AQI (US) recorded in
May16AQI (US)
Most & Least Polluted Years Over the Last 2 Years
Pomeroy's annual 2026 AQI (US) (38) shows an average percentage change of 40.7% (worsened AQI (US)) compared to previous years: 2025 (27).