Credit Union, Rapid City, South Dakota, 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
Credit Union, Rapid City, South Dakota, United States
AQI Trends: Highest and Lowest
Same Day Analysis (3rd October ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 3rd highest AQI at 40 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: 4th Oct - 5th Oct 2025
Credit Union, Rapid City, South Dakota, United States
6 AM4th Oct 2025
6 PM
5 AM5th Oct 2025
103AQI
49AQI
116AQI
27AQI
In the last 24 hours,
Credit Union's AQI reached its highest point of 116 at 10 PM during the Night, while the lowest point, 27, was recorded at 2 AM during the Night between 4th Oct and 5th Oct 2025.
Day & Night AQI Trend : Sep - Oct 2025
Credit Union, Rapid City, South Dakota, United States
13°C6/21°C
15°C7/24°C
18°C9/29°C
24°C18/32°C
23°C17/30°C
23°C16/31°C
25°C18/35°C
24°C19/31°C
23°C16/30°C
19°C15/23°C
22°C15/32°C
17°C13/22°C
15°C14/18°C
15°C12/20°C
15°C11/20°C
17°C11/23°C
20°C12/30°C
19°C12/25°C
18°C13/25°C
20°C11/29°C
21°C13/30°C
21°C11/32°C
19°C9/29°C
23°C14/35°C
23°C15/32°C
22°C13/32°C
23°C18/29°C
22°C12/33°C
24°C13/35°C
19°C14/22°C
--°C/°C
39AQI
33AQI
40AQI
34AQI
2025 Days Vs Air Quality
Credit Union, Rapid City, South Dakota, United States
95%
263
5%
13
Total number of days with different AQI categories in last 278 days in 2025 (87 days remaining)
Under WHO’s Safe Air Quality Limits: 95%
Health Risk Level:
Very Low
In 2025, 95% of 278 days were within WHO’s safe air quality limits. The risk of health issues is Very Low, but health impacts are still unclear.
Annual Air Quality Insights
Credit Union, Rapid City, South Dakota, United States
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
43AQI
41AQI
36AQI
27AQI
26AQI
43AQI
44AQI
39AQI
29AQI
29AQI
26AQI
26AQI
29AQI
32AQI
29AQI
28AQI
49AQI
62AQI
42AQI
39AQI
37AQI
41AQI
36AQI
31AQI
32AQI
29AQI
36AQI
38AQI
35AQI
49AQI
30AQI
29AQI
27AQI
28AQI
29AQI
46AQI
33AQI
38AQI
40AQI
39AQI
46AQI
32AQI
40AQI
28AQI
37AQI
46AQI
26AQI
20AQI
20AQI
31AQI
26AQI
28AQI
18AQI
25AQI
20AQI
14AQI
14AQI
16AQI
17AQI
17AQI
16AQI
29AQI
22AQI
17AQI
15AQI
18AQI
16AQI
15AQI
16AQI
18AQI
19AQI
18AQI
33AQI
22AQI
16AQI
24AQI
29AQI
37AQI
20AQI
18AQI
15AQI
16AQI
16AQI
18AQI
21AQI
21AQI
30AQI
21AQI
21AQI
18AQI
22AQI
22AQI
20AQI
28AQI
23AQI
24AQI
20AQI
32AQI
26AQI
35AQI
32AQI
30AQI
28AQI
32AQI
19AQI
24AQI
25AQI
21AQI
17AQI
25AQI
21AQI
20AQI
21AQI
20AQI
22AQI
20AQI
23AQI
22AQI
17AQI
20AQI
20AQI
20AQI
21AQI
19AQI
29AQI
30AQI
22AQI
25AQI
29AQI
23AQI
22AQI
21AQI
40AQI
38AQI
31AQI
23AQI
22AQI
20AQI
30AQI
31AQI
29AQI
19AQI
17AQI
24AQI
23AQI
21AQI
17AQI
22AQI
18AQI
24AQI
48AQI
41AQI
42AQI
38AQI
30AQI
32AQI
28AQI
38AQI
56AQI
52AQI
51AQI
54AQI
55AQI
45AQI
31AQI
27AQI
27AQI
26AQI
25AQI
25AQI
34AQI
36AQI
34AQI
27AQI
30AQI
26AQI
23AQI
22AQI
24AQI
22AQI
22AQI
26AQI
30AQI
29AQI
31AQI
39AQI
25AQI
23AQI
25AQI
32AQI
27AQI
38AQI
30AQI
29AQI
27AQI
27AQI
31AQI
34AQI
42AQI
38AQI
36AQI
36AQI
30AQI
35AQI
30AQI
28AQI
37AQI
31AQI
29AQI
27AQI
40AQI
48AQI
50AQI
59AQI
52AQI
36AQI
27AQI
30AQI
29AQI
37AQI
25AQI
38AQI
44AQI
26AQI
28AQI
29AQI
34AQI
37AQI
29AQI
27AQI
33AQI
41AQI
42AQI
38AQI
34AQI
36AQI
40AQI
42AQI
36AQI
39AQI
35AQI
33AQI
30AQI
35AQI
42AQI
60AQI
68AQI
60AQI
41AQI
47AQI
48AQI
51AQI
49AQI
37AQI
27AQI
21AQI
24AQI
22AQI
18AQI
26AQI
38AQI
27AQI
25AQI
25AQI
25AQI
39AQI
33AQI
40AQI
57AQI
47AQI
33AQI
23AQI
11AQI
40AQI
39AQI
40AQI
36AQI
29AQI
20AQI
24AQI
25AQI
34AQI
32AQI
36AQI
37AQI
40AQI
No. of days
202530AQI
Highest AQI recorded in
October40AQI
Lowest AQI recorded in
March20AQI
202435AQI
Highest AQI recorded in
July47AQI
Lowest AQI recorded in
November26AQI
202344AQI
Highest AQI recorded in
November56AQI
Lowest AQI recorded in
April31AQI
202241AQI
Highest AQI recorded in
December57AQI
Lowest AQI recorded in
May23AQI
202139AQI
Highest AQI recorded in
July59AQI
Lowest AQI recorded in
May27AQI
202037AQI
Highest AQI recorded in
September49AQI
Lowest AQI recorded in
May19AQI
Most & Least Polluted Years Over the Last 6 Years
Credit Union's annual 2025 AQI (30) shows an average percentage change of -22.2% (improved AQI) compared to previous years: 2020 (37), 2021 (39), 2022 (41), 2023 (44), 2024 (35).