Chief Garry Park, 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
Chief Garry Park, Spokane, Washington, United States
AQI Trends: Highest and Lowest
Same Day Analysis (17th October ):
On this day, AQI across the 1 years varied significantly: 2025 ranks 1st highest AQI at 45 of Good air quality on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 17th Oct - 18th Oct 2025
Chief Garry Park, Spokane, Washington, United States
6 AM17th Oct 2025
6 PM
5 AM18th Oct 2025
45AQI
13AQI
50AQI
14AQI
In the last 24 hours,
Chief Garry Park's AQI reached its highest point of 50 at 1 AM during the Night, while the lowest point, undefined, was recorded at 5 AM during the Night between 17th Oct and 18th Oct 2025.
Day & Night AQI Trend : Sep - Oct 2025
Chief Garry Park, Spokane, Washington, United States
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
7°C0/16°C
8°C1/17°C
11°C6/19°C
--°C/°C
46AQI
33AQI
50AQI
36AQI
2025 Days Vs Air Quality
Chief Garry Park, Spokane, Washington, United States
85%
176
14%
29
0.4%
1
Total number of days with different AQI categories in last 291 days in 2025 (74 days remaining)
Under WHO’s Safe Air Quality Limits: 85%
Health Risk Level:
Low
In 2025, 85% of 291 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
Chief Garry Park, Spokane, Washington, United States
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
52AQI
31AQI
21AQI
17AQI
31AQI
21AQI
18AQI
24AQI
21AQI
32AQI
37AQI
40AQI
38AQI
17AQI
16AQI
32AQI
23AQI
33AQI
29AQI
39AQI
44AQI
35AQI
18AQI
29AQI
29AQI
22AQI
13AQI
27AQI
34AQI
43AQI
36AQI
49AQI
46AQI
32AQI
21AQI
23AQI
30AQI
36AQI
35AQI
19AQI
21AQI
30AQI
35AQI
21AQI
32AQI
40AQI
30AQI
16AQI
17AQI
23AQI
23AQI
20AQI
22AQI
18AQI
19AQI
13AQI
12AQI
19AQI
27AQI
31AQI
35AQI
25AQI
15AQI
27AQI
32AQI
16AQI
34AQI
22AQI
13AQI
21AQI
22AQI
34AQI
29AQI
25AQI
24AQI
36AQI
32AQI
43AQI
47AQI
26AQI
22AQI
26AQI
31AQI
30AQI
29AQI
24AQI
24AQI
29AQI
25AQI
27AQI
50AQI
41AQI
24AQI
17AQI
14AQI
20AQI
28AQI
38AQI
41AQI
33AQI
29AQI
24AQI
30AQI
34AQI
34AQI
25AQI
20AQI
26AQI
35AQI
29AQI
23AQI
21AQI
32AQI
44AQI
34AQI
32AQI
34AQI
30AQI
41AQI
37AQI
43AQI
23AQI
19AQI
26AQI
25AQI
31AQI
38AQI
34AQI
42AQI
49AQI
45AQI
26AQI
32AQI
32AQI
23AQI
15AQI
19AQI
24AQI
29AQI
25AQI
40AQI
45AQI
23AQI
13AQI
14AQI
20AQI
20AQI
28AQI
28AQI
34AQI
51AQI
44AQI
48AQI
54AQI
58AQI
57AQI
55AQI
53AQI
67AQI
60AQI
66AQI
80AQI
99AQI
97AQI
117AQI
68AQI
48AQI
52AQI
72AQI
58AQI
55AQI
61AQI
47AQI
24AQI
36AQI
51AQI
53AQI
54AQI
56AQI
38AQI
27AQI
37AQI
47AQI
66AQI
58AQI
97AQI
94AQI
59AQI
35AQI
21AQI
22AQI
30AQI
36AQI
11AQI
54AQI
38AQI
48AQI
48AQI
48AQI
28AQI
18AQI
18AQI
23AQI
40AQI
42AQI
45AQI
29AQI
30AQI
25AQI
28AQI
31AQI
36AQI
60AQI
34AQI
No. of days
202535AQI
Highest AQI recorded in
September60AQI
Lowest AQI recorded in
May25AQI
Most & Least Polluted Years Over the Last 1 Years
Chief Garry Park's annual 2025 AQI (35) shows an average percentage change of NaN% (improved AQI) compared to previous years: .