East Central, Spokane, 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
East Central, Spokane, Washington, United States
AQI Trends: Highest and Lowest
Same Day Analysis (14th October ):
On this day, AQI across the 1 years varied significantly: 2025 ranks 1st highest AQI at 23 of Good air quality on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 14th Oct - 15th Oct 2025
East Central, Spokane, Washington, United States
6 AM14th Oct 2025
6 PM
5 AM15th Oct 2025
51AQI
9AQI
54AQI
13AQI
In the last 24 hours,
East Central's AQI reached its highest point of 54 at 2 AM during the Night, while the lowest point, 9, was recorded at 8 AM during the Day between 14th Oct and 15th Oct 2025.
Day & Night AQI Trend : Sep - Oct 2025
East Central, Spokane, Washington, United States
14°C13/16°C
20°C12/30°C
24°C16/33°C
24°C15/33°C
24°C15/33°C
24°C16/32°C
18°C14/23°C
15°C7/24°C
17°C7/28°C
19°C8/32°C
19°C9/30°C
16°C8/22°C
17°C8/28°C
19°C9/32°C
18°C11/29°C
17°C12/24°C
15°C11/21°C
13°C9/21°C
13°C6/21°C
14°C8/21°C
12°C5/20°C
11°C1/22°C
13°C2/24°C
14°C3/27°C
18°C10/30°C
16°C11/23°C
9°C8/10°C
7°C5/10°C
7°C2/13°C
6°C1/14°C
--°C/°C
44AQI
36AQI
49AQI
37AQI
2025 Days Vs Air Quality
East Central, Spokane, Washington, United States
85%
172
15%
30
0.4%
1
Total number of days with different AQI categories in last 288 days in 2025 (77 days remaining)
Under WHO’s Safe Air Quality Limits: 85%
Health Risk Level:
Low
In 2025, 85% of 288 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
East Central, Spokane, Washington, United States
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
46AQI
22AQI
18AQI
15AQI
29AQI
17AQI
16AQI
21AQI
19AQI
26AQI
36AQI
42AQI
35AQI
13AQI
14AQI
26AQI
21AQI
30AQI
24AQI
35AQI
41AQI
33AQI
18AQI
26AQI
26AQI
20AQI
13AQI
27AQI
34AQI
50AQI
43AQI
50AQI
45AQI
28AQI
17AQI
17AQI
25AQI
34AQI
29AQI
14AQI
17AQI
28AQI
31AQI
18AQI
31AQI
38AQI
25AQI
15AQI
16AQI
17AQI
20AQI
16AQI
18AQI
16AQI
15AQI
13AQI
12AQI
17AQI
27AQI
32AQI
36AQI
26AQI
16AQI
29AQI
30AQI
15AQI
36AQI
22AQI
13AQI
20AQI
25AQI
33AQI
29AQI
25AQI
28AQI
37AQI
34AQI
43AQI
49AQI
27AQI
23AQI
26AQI
33AQI
30AQI
26AQI
23AQI
24AQI
23AQI
22AQI
29AQI
50AQI
40AQI
25AQI
17AQI
13AQI
19AQI
29AQI
37AQI
38AQI
29AQI
28AQI
26AQI
29AQI
33AQI
33AQI
26AQI
20AQI
29AQI
36AQI
27AQI
24AQI
23AQI
32AQI
47AQI
35AQI
34AQI
35AQI
32AQI
41AQI
36AQI
45AQI
23AQI
17AQI
28AQI
22AQI
29AQI
38AQI
38AQI
41AQI
51AQI
46AQI
27AQI
32AQI
32AQI
23AQI
17AQI
22AQI
23AQI
33AQI
26AQI
43AQI
47AQI
22AQI
14AQI
15AQI
22AQI
24AQI
26AQI
31AQI
39AQI
54AQI
47AQI
50AQI
55AQI
59AQI
58AQI
56AQI
54AQI
67AQI
60AQI
66AQI
80AQI
97AQI
96AQI
115AQI
68AQI
52AQI
54AQI
72AQI
58AQI
56AQI
62AQI
47AQI
25AQI
36AQI
52AQI
54AQI
54AQI
56AQI
41AQI
29AQI
40AQI
47AQI
67AQI
57AQI
96AQI
94AQI
59AQI
35AQI
20AQI
22AQI
30AQI
37AQI
11AQI
54AQI
38AQI
48AQI
48AQI
47AQI
28AQI
18AQI
18AQI
23AQI
25AQI
28AQI
23AQI
28AQI
31AQI
37AQI
61AQI
32AQI
No. of days
202534AQI
Highest AQI recorded in
September61AQI
Lowest AQI recorded in
May23AQI
Most & Least Polluted Years Over the Last 1 Years
East Central's annual 2025 AQI (34) shows an average percentage change of NaN% (improved AQI) compared to previous years: .