Monroe St, 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
Monroe St, Spokane, Washington, United States
AQI Trends: Highest and Lowest
Same Day Analysis (12th October ):
On this day, AQI across the 5 years varied significantly: 2025 ranks the most lowest AQI at 21 of Good air quality, showing improvement over 2024, 2023, 2022 and 2021 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 12th Oct - 13th Oct 2025
Monroe St, Spokane, Washington, United States
6 AM12th Oct 2025
6 PM
5 AM13th Oct 2025
35AQI
13AQI
39AQI
18AQI
In the last 24 hours,
Monroe St's AQI reached its highest point of 39 at 9 PM during the Night, while the lowest point, 13, was recorded at 5 PM during the Day between 12th Oct and 13th Oct 2025.
Day & Night AQI Trend : Sep - Oct 2025
Monroe St, Spokane, Washington, United States
23°C15/32°C
18°C15/20°C
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
--°C/°C
41AQI
41AQI
49AQI
43AQI
2025 Days Vs Air Quality
Monroe St, Spokane, Washington, United States
87%
247
13%
37
0.3%
1
Total number of days with different AQI categories in last 286 days in 2025 (79 days remaining)
Under WHO’s Safe Air Quality Limits: 87%
Health Risk Level:
Low
In 2025, 87% of 286 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
Monroe St, Spokane, Washington, United States
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
51AQI
48AQI
29AQI
24AQI
27AQI
22AQI
26AQI
24AQI
30AQI
35AQI
26AQI
43AQI
35AQI
42AQI
42AQI
35AQI
37AQI
55AQI
53AQI
43AQI
37AQI
52AQI
53AQI
49AQI
44AQI
50AQI
51AQI
56AQI
56AQI
58AQI
38AQI
18AQI
19AQI
21AQI
21AQI
24AQI
38AQI
23AQI
34AQI
46AQI
37AQI
36AQI
50AQI
35AQI
24AQI
27AQI
30AQI
32AQI
29AQI
32AQI
25AQI
37AQI
26AQI
22AQI
18AQI
16AQI
20AQI
24AQI
34AQI
37AQI
42AQI
26AQI
26AQI
18AQI
21AQI
26AQI
25AQI
23AQI
17AQI
19AQI
20AQI
16AQI
17AQI
18AQI
14AQI
17AQI
17AQI
17AQI
15AQI
15AQI
15AQI
15AQI
15AQI
18AQI
22AQI
21AQI
17AQI
14AQI
22AQI
16AQI
16AQI
18AQI
17AQI
22AQI
30AQI
35AQI
27AQI
13AQI
14AQI
20AQI
16AQI
23AQI
18AQI
28AQI
33AQI
27AQI
17AQI
21AQI
17AQI
18AQI
13AQI
19AQI
22AQI
31AQI
30AQI
39AQI
34AQI
23AQI
15AQI
16AQI
21AQI
30AQI
25AQI
14AQI
14AQI
21AQI
25AQI
15AQI
24AQI
29AQI
19AQI
15AQI
14AQI
15AQI
16AQI
15AQI
15AQI
13AQI
15AQI
12AQI
12AQI
15AQI
20AQI
26AQI
32AQI
21AQI
15AQI
20AQI
22AQI
14AQI
24AQI
17AQI
13AQI
17AQI
19AQI
24AQI
21AQI
21AQI
22AQI
29AQI
26AQI
39AQI
46AQI
24AQI
20AQI
23AQI
28AQI
26AQI
20AQI
19AQI
20AQI
16AQI
15AQI
24AQI
50AQI
37AQI
23AQI
16AQI
13AQI
16AQI
22AQI
30AQI
32AQI
25AQI
23AQI
23AQI
25AQI
29AQI
28AQI
21AQI
17AQI
26AQI
29AQI
22AQI
20AQI
19AQI
29AQI
40AQI
28AQI
29AQI
32AQI
30AQI
36AQI
34AQI
38AQI
23AQI
17AQI
27AQI
20AQI
24AQI
27AQI
32AQI
39AQI
49AQI
47AQI
28AQI
33AQI
33AQI
24AQI
17AQI
20AQI
22AQI
29AQI
26AQI
41AQI
47AQI
23AQI
13AQI
15AQI
22AQI
24AQI
24AQI
25AQI
34AQI
51AQI
43AQI
49AQI
54AQI
58AQI
58AQI
56AQI
54AQI
67AQI
60AQI
65AQI
78AQI
94AQI
96AQI
115AQI
69AQI
52AQI
53AQI
72AQI
57AQI
55AQI
61AQI
48AQI
25AQI
36AQI
52AQI
54AQI
53AQI
54AQI
38AQI
27AQI
33AQI
41AQI
70AQI
55AQI
75AQI
84AQI
57AQI
32AQI
20AQI
23AQI
33AQI
38AQI
15AQI
49AQI
40AQI
50AQI
49AQI
49AQI
33AQI
21AQI
41AQI
29AQI
20AQI
22AQI
19AQI
24AQI
27AQI
36AQI
59AQI
35AQI
No. of days
202531AQI
Highest AQI recorded in
September59AQI
Lowest AQI recorded in
May19AQI
202425AQI
Highest AQI recorded in
July37AQI
Lowest AQI recorded in
May13AQI
202330AQI
Highest AQI recorded in
August63AQI
Lowest AQI recorded in
April14AQI
202228AQI
Highest AQI recorded in
September53AQI
Lowest AQI recorded in
May13AQI
202128AQI
Highest AQI recorded in
August67AQI
Lowest AQI recorded in
May16AQI
202033AQI
Highest AQI recorded in
September97AQI
Lowest AQI recorded in
June14AQI
Most & Least Polluted Years Over the Last 6 Years
Monroe St's annual 2025 AQI (31) shows an average percentage change of 8.7% (worsened AQI) compared to previous years: 2020 (33), 2021 (28), 2022 (28), 2023 (30), 2024 (25).