Yakima, 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
Yakima, Washington, United States
AQI Trends: Highest and Lowest
Same Day Analysis (11th October ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 1st highest AQI at 46 of Good air quality on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 10th Oct - 11th Oct 2025
Yakima, Washington, United States
6 AM10th Oct 2025
6 PM
5 AM11th Oct 2025
77AQI
48AQI
62AQI
28AQI
In the last 24 hours,
Yakima's AQI reached its highest point of 77 at 11 AM during the Day, while the lowest point, 28, was recorded at 8 PM during the Night between 10th Oct and 11th Oct 2025.
Day & Night AQI Trend : Sep - Oct 2025
Yakima, Washington, United States
--°C/°C
21°C12/31°C
21°C13/32°C
17°C10/22°C
17°C8/27°C
19°C9/29°C
21°C11/32°C
21°C12/32°C
22°C12/33°C
22°C13/33°C
18°C11/27°C
17°C9/26°C
17°C7/28°C
19°C7/30°C
20°C11/32°C
17°C9/27°C
17°C7/28°C
18°C8/29°C
18°C12/26°C
15°C6/25°C
15°C9/23°C
12°C4/22°C
15°C6/23°C
16°C12/24°C
14°C7/22°C
12°C2/22°C
13°C4/25°C
14°C4/25°C
18°C12/26°C
15°C10/23°C
12°C8/20°C
64AQI
47AQI
51AQI
47AQI
2025 Days Vs Air Quality
Yakima, Washington, United States
84%
239
15%
43
0.7%
2
Total number of days with different AQI categories in last 285 days in 2025 (80 days remaining)
Under WHO’s Safe Air Quality Limits: 84%
Health Risk Level:
Low
In 2025, 84% of 285 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
Yakima, Washington, United States
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
44AQI
39AQI
24AQI
27AQI
33AQI
25AQI
25AQI
27AQI
21AQI
25AQI
24AQI
28AQI
40AQI
59AQI
53AQI
47AQI
31AQI
33AQI
32AQI
31AQI
46AQI
63AQI
58AQI
49AQI
21AQI
28AQI
46AQI
55AQI
64AQI
74AQI
70AQI
29AQI
25AQI
32AQI
27AQI
25AQI
28AQI
25AQI
42AQI
38AQI
25AQI
23AQI
32AQI
27AQI
31AQI
40AQI
39AQI
54AQI
34AQI
40AQI
38AQI
54AQI
55AQI
32AQI
26AQI
16AQI
25AQI
27AQI
36AQI
36AQI
34AQI
17AQI
19AQI
21AQI
17AQI
22AQI
33AQI
26AQI
17AQI
19AQI
19AQI
17AQI
20AQI
17AQI
14AQI
17AQI
15AQI
22AQI
17AQI
15AQI
17AQI
22AQI
16AQI
20AQI
31AQI
20AQI
16AQI
20AQI
22AQI
19AQI
20AQI
16AQI
18AQI
20AQI
25AQI
42AQI
30AQI
16AQI
17AQI
25AQI
15AQI
16AQI
17AQI
30AQI
33AQI
28AQI
17AQI
26AQI
30AQI
17AQI
13AQI
16AQI
19AQI
28AQI
35AQI
34AQI
37AQI
21AQI
17AQI
24AQI
32AQI
31AQI
21AQI
16AQI
17AQI
23AQI
34AQI
19AQI
31AQI
34AQI
25AQI
20AQI
22AQI
17AQI
22AQI
17AQI
16AQI
16AQI
21AQI
14AQI
15AQI
18AQI
22AQI
21AQI
28AQI
19AQI
18AQI
22AQI
24AQI
17AQI
31AQI
13AQI
17AQI
18AQI
20AQI
22AQI
24AQI
23AQI
24AQI
44AQI
30AQI
36AQI
34AQI
25AQI
21AQI
22AQI
27AQI
24AQI
20AQI
18AQI
20AQI
12AQI
13AQI
29AQI
49AQI
35AQI
16AQI
15AQI
12AQI
15AQI
20AQI
25AQI
22AQI
16AQI
17AQI
24AQI
18AQI
19AQI
25AQI
19AQI
14AQI
17AQI
20AQI
20AQI
22AQI
29AQI
37AQI
37AQI
34AQI
24AQI
23AQI
26AQI
30AQI
32AQI
32AQI
22AQI
18AQI
17AQI
21AQI
21AQI
26AQI
29AQI
40AQI
47AQI
43AQI
35AQI
48AQI
29AQI
16AQI
18AQI
19AQI
28AQI
23AQI
28AQI
30AQI
27AQI
21AQI
12AQI
14AQI
19AQI
19AQI
18AQI
19AQI
25AQI
35AQI
50AQI
53AQI
56AQI
59AQI
60AQI
54AQI
53AQI
46AQI
59AQI
64AQI
70AQI
82AQI
110AQI
115AQI
85AQI
51AQI
49AQI
51AQI
61AQI
58AQI
62AQI
46AQI
27AQI
40AQI
37AQI
39AQI
55AQI
59AQI
52AQI
37AQI
67AQI
61AQI
74AQI
58AQI
64AQI
59AQI
77AQI
44AQI
21AQI
37AQI
57AQI
41AQI
55AQI
44AQI
53AQI
57AQI
57AQI
57AQI
46AQI
40AQI
33AQI
21AQI
23AQI
22AQI
23AQI
24AQI
34AQI
60AQI
48AQI
No. of days
202532AQI
Highest AQI recorded in
September60AQI
Lowest AQI recorded in
March21AQI
202428AQI
Highest AQI recorded in
January41AQI
Lowest AQI recorded in
May16AQI
202333AQI
Highest AQI recorded in
January51AQI
Lowest AQI recorded in
April20AQI
202236AQI
Highest AQI recorded in
January56AQI
Lowest AQI recorded in
May16AQI
202137AQI
Highest AQI recorded in
August87AQI
Lowest AQI recorded in
May15AQI
202037AQI
Highest AQI recorded in
September152AQI
Lowest AQI recorded in
June12AQI
Most & Least Polluted Years Over the Last 6 Years
Yakima's annual 2025 AQI (32) shows an average percentage change of -6.5% (improved AQI) compared to previous years: 2020 (37), 2021 (37), 2022 (36), 2023 (33), 2024 (28).