Augusta Ave, 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
Augusta Ave, Spokane, Washington, United States
AQI Trends: Highest and Lowest
Same Day Analysis (15th October ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 3rd highest AQI at 46 of Good air quality, showing improvement over 2024 and 2022 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 15th Oct - 16th Oct 2025
Augusta Ave, Spokane, Washington, United States
6 AM15th Oct 2025
6 PM
5 AM16th Oct 2025
56AQI
10AQI
51AQI
11AQI
In the last 24 hours,
Augusta Ave's AQI reached its highest point of 56 at 11 AM during the Day, while the lowest point, undefined, was recorded at 5 AM during the Night between 15th Oct and 16th Oct 2025.
Day & Night AQI Trend : Sep - Oct 2025
Augusta Ave, Spokane, Washington, United States
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
7°C0/16°C
--°C/°C
44AQI
36AQI
48AQI
36AQI
2025 Days Vs Air Quality
Augusta Ave, Spokane, Washington, United States
85%
246
14%
41
0.3%
1
Total number of days with different AQI categories in last 289 days in 2025 (76 days remaining)
Under WHO’s Safe Air Quality Limits: 85%
Health Risk Level:
Low
In 2025, 85% of 289 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
Augusta Ave, Spokane, Washington, United States
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
55AQI
49AQI
28AQI
23AQI
25AQI
21AQI
26AQI
24AQI
30AQI
34AQI
27AQI
47AQI
36AQI
41AQI
44AQI
34AQI
41AQI
58AQI
53AQI
49AQI
45AQI
59AQI
57AQI
55AQI
50AQI
58AQI
60AQI
61AQI
61AQI
66AQI
40AQI
16AQI
19AQI
22AQI
23AQI
29AQI
43AQI
25AQI
37AQI
51AQI
40AQI
42AQI
55AQI
41AQI
26AQI
29AQI
32AQI
36AQI
29AQI
34AQI
27AQI
39AQI
30AQI
25AQI
22AQI
17AQI
22AQI
30AQI
40AQI
38AQI
49AQI
28AQI
32AQI
20AQI
23AQI
36AQI
30AQI
26AQI
17AQI
21AQI
22AQI
17AQI
18AQI
20AQI
15AQI
20AQI
21AQI
18AQI
17AQI
15AQI
15AQI
15AQI
16AQI
21AQI
27AQI
29AQI
20AQI
17AQI
29AQI
20AQI
17AQI
23AQI
20AQI
30AQI
34AQI
38AQI
36AQI
16AQI
15AQI
30AQI
22AQI
31AQI
27AQI
37AQI
42AQI
33AQI
18AQI
26AQI
26AQI
21AQI
14AQI
25AQI
30AQI
41AQI
35AQI
46AQI
43AQI
29AQI
20AQI
21AQI
27AQI
33AQI
33AQI
18AQI
20AQI
29AQI
33AQI
20AQI
31AQI
38AQI
28AQI
16AQI
16AQI
21AQI
22AQI
18AQI
19AQI
16AQI
17AQI
12AQI
12AQI
18AQI
25AQI
30AQI
33AQI
24AQI
15AQI
26AQI
30AQI
15AQI
35AQI
21AQI
13AQI
21AQI
21AQI
32AQI
28AQI
24AQI
23AQI
35AQI
33AQI
43AQI
46AQI
25AQI
22AQI
26AQI
31AQI
31AQI
29AQI
25AQI
22AQI
28AQI
25AQI
25AQI
50AQI
40AQI
25AQI
17AQI
14AQI
19AQI
28AQI
39AQI
42AQI
35AQI
30AQI
24AQI
30AQI
34AQI
34AQI
24AQI
20AQI
25AQI
38AQI
31AQI
21AQI
20AQI
29AQI
44AQI
32AQI
31AQI
33AQI
28AQI
39AQI
36AQI
45AQI
23AQI
19AQI
28AQI
26AQI
32AQI
38AQI
34AQI
42AQI
49AQI
46AQI
26AQI
32AQI
32AQI
23AQI
15AQI
19AQI
25AQI
28AQI
25AQI
39AQI
45AQI
23AQI
13AQI
14AQI
20AQI
20AQI
28AQI
28AQI
33AQI
51AQI
44AQI
48AQI
54AQI
58AQI
57AQI
55AQI
52AQI
67AQI
60AQI
66AQI
80AQI
99AQI
97AQI
116AQI
68AQI
48AQI
52AQI
72AQI
58AQI
55AQI
61AQI
47AQI
25AQI
36AQI
51AQI
54AQI
54AQI
58AQI
40AQI
26AQI
35AQI
48AQI
65AQI
55AQI
77AQI
83AQI
60AQI
36AQI
21AQI
22AQI
31AQI
37AQI
10AQI
54AQI
38AQI
47AQI
49AQI
47AQI
28AQI
18AQI
17AQI
23AQI
46AQI
44AQI
31AQI
23AQI
28AQI
24AQI
27AQI
31AQI
36AQI
59AQI
33AQI
No. of days
202534AQI
Highest AQI recorded in
September59AQI
Lowest AQI recorded in
March23AQI
202430AQI
Highest AQI recorded in
August40AQI
Lowest AQI recorded in
May23AQI
202335AQI
Highest AQI recorded in
August61AQI
Lowest AQI recorded in
February20AQI
202235AQI
Highest AQI recorded in
September64AQI
Lowest AQI recorded in
May18AQI
202131AQI
Highest AQI recorded in
August98AQI
Lowest AQI recorded in
February21AQI
202036AQI
Highest AQI recorded in
September94AQI
Lowest AQI recorded in
June19AQI
Most & Least Polluted Years Over the Last 6 Years
Augusta Ave's annual 2025 AQI (34) shows an average percentage change of 1.5% (worsened AQI) compared to previous years: 2020 (36), 2021 (31), 2022 (35), 2023 (35), 2024 (30).