Interior, 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!
August Air Quality Analysis
Interior, South Dakota, United States
AQI Trends: Highest and Lowest
Same Day Analysis (15th August):
On this day, AQI across the 2 years varied significantly: 2026 ranks 1st highest AQI at 46 of Good air quality on the same day.
Day & Night AQI Trend: 15th Aug - 16th Aug 2026
Interior, South Dakota, United States
5 AM15th Aug 2026
8 PM
4 AM16th Aug 2026
48AQI
32AQI
54AQI
42AQI
In the last 24 hours,
Interior's AQI reached its highest point of 54 at 1 AM during the Night, while the lowest point, 32, was recorded at 6 PM during the Day between 15th Aug and 16th Aug 2026.
Day & Night AQI Trend : Jul - Aug 2026
Interior, South Dakota, United States
28°C21/36°C
32°C23/42°C
31°C26/36°C
26°C18/31°C
23°C18/29°C
22°C18/28°C
28°C17/39°C
33°C21/45°C
34°C25/42°C
32°C23/41°C
28°C20/37°C
30°C21/38°C
27°C21/33°C
25°C18/33°C
27°C15/37°C
33°C22/43°C
28°C18/33°C
18°C10/26°C
22°C11/32°C
29°C18/38°C
24°C16/30°C
26°C16/37°C
26°C16/33°C
27°C20/37°C
27°C20/36°C
23°C17/30°C
19°C17/22°C
24°C18/32°C
24°C20/29°C
25°C20/33°C
56AQI
52AQI
59AQI
52AQI
2026 Days Vs Air Quality
Interior, South Dakota, United States
81%
182
18%
41
0.4%
1
Total number of days with different AQI categories in last 228 days in 2026 (137 days remaining)
Under WHO’s Safe Air Quality Limits: 81%
Health Risk Level:
Low
In 2026, 81% of 228 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
Interior, South Dakota, United States
AQI levels in 2026
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
29AQI (US)
28AQI (US)
26AQI (US)
23AQI (US)
23AQI (US)
16AQI (US)
20AQI (US)
21AQI (US)
26AQI (US)
59AQI (US)
78AQI (US)
64AQI (US)
27AQI (US)
24AQI (US)
20AQI (US)
35AQI (US)
23AQI (US)
25AQI (US)
25AQI (US)
23AQI (US)
25AQI (US)
37AQI (US)
35AQI (US)
29AQI (US)
24AQI (US)
28AQI (US)
25AQI (US)
25AQI (US)
29AQI (US)
42AQI (US)
28AQI (US)
36AQI (US)
26AQI (US)
26AQI (US)
27AQI (US)
33AQI (US)
28AQI (US)
27AQI (US)
31AQI (US)
34AQI (US)
32AQI (US)
31AQI (US)
37AQI (US)
32AQI (US)
37AQI (US)
35AQI (US)
31AQI (US)
31AQI (US)
26AQI (US)
25AQI (US)
21AQI (US)
21AQI (US)
26AQI (US)
25AQI (US)
36AQI (US)
28AQI (US)
26AQI (US)
23AQI (US)
24AQI (US)
30AQI (US)
40AQI (US)
40AQI (US)
31AQI (US)
42AQI (US)
30AQI (US)
30AQI (US)
23AQI (US)
22AQI (US)
22AQI (US)
33AQI (US)
30AQI (US)
25AQI (US)
22AQI (US)
18AQI (US)
23AQI (US)
22AQI (US)
26AQI (US)
46AQI (US)
31AQI (US)
28AQI (US)
18AQI (US)
20AQI (US)
28AQI (US)
32AQI (US)
19AQI (US)
20AQI (US)
22AQI (US)
31AQI (US)
21AQI (US)
20AQI (US)
25AQI (US)
18AQI (US)
19AQI (US)
21AQI (US)
22AQI (US)
28AQI (US)
30AQI (US)
37AQI (US)
17AQI (US)
26AQI (US)
26AQI (US)
32AQI (US)
29AQI (US)
21AQI (US)
26AQI (US)
21AQI (US)
27AQI (US)
29AQI (US)
18AQI (US)
19AQI (US)
26AQI (US)
18AQI (US)
17AQI (US)
19AQI (US)
18AQI (US)
19AQI (US)
21AQI (US)
18AQI (US)
21AQI (US)
18AQI (US)
19AQI (US)
26AQI (US)
22AQI (US)
21AQI (US)
22AQI (US)
28AQI (US)
19AQI (US)
27AQI (US)
32AQI (US)
29AQI (US)
39AQI (US)
33AQI (US)
28AQI (US)
27AQI (US)
39AQI (US)
32AQI (US)
30AQI (US)
36AQI (US)
24AQI (US)
33AQI (US)
46AQI (US)
25AQI (US)
19AQI (US)
14AQI (US)
17AQI (US)
29AQI (US)
24AQI (US)
25AQI (US)
41AQI (US)
31AQI (US)
16AQI (US)
26AQI (US)
39AQI (US)
34AQI (US)
25AQI (US)
15AQI (US)
21AQI (US)
22AQI (US)
17AQI (US)
15AQI (US)
11AQI (US)
11AQI (US)
15AQI (US)
12AQI (US)
19AQI (US)
21AQI (US)
26AQI (US)
36AQI (US)
22AQI (US)
25AQI (US)
23AQI (US)
27AQI (US)
31AQI (US)
20AQI (US)
26AQI (US)
36AQI (US)
41AQI (US)
56AQI (US)
50AQI (US)
70AQI (US)
52AQI (US)
61AQI (US)
83AQI (US)
69AQI (US)
66AQI (US)
66AQI (US)
43AQI (US)
76AQI (US)
65AQI (US)
96AQI (US)
80AQI (US)
57AQI (US)
104AQI (US)
100AQI (US)
51AQI (US)
55AQI (US)
48AQI (US)
54AQI (US)
57AQI (US)
56AQI (US)
55AQI (US)
53AQI (US)
54AQI (US)
76AQI (US)
64AQI (US)
62AQI (US)
54AQI (US)
52AQI (US)
48AQI (US)
51AQI (US)
51AQI (US)
70AQI (US)
62AQI (US)
53AQI (US)
55AQI (US)
53AQI (US)
56AQI (US)
59AQI (US)
50AQI (US)
54AQI (US)
47AQI (US)
47AQI (US)
51AQI (US)
46AQI (US)
30AQI (US)
29AQI (US)
27AQI (US)
23AQI (US)
27AQI (US)
25AQI (US)
64AQI (US)
54AQI (US)
No. of days
202634AQI (US)
Highest AQI (US) recorded in
July64AQI (US)
Lowest AQI (US) recorded in
April23AQI (US)
202539AQI (US)
Highest AQI (US) recorded in
December56AQI (US)
Lowest AQI (US) recorded in
April27AQI (US)
Most & Least Polluted Years Over the Last 2 Years
Interior's annual 2026 AQI (US) (34) shows an average percentage change of -12.8% (improved AQI (US)) compared to previous years: 2025 (39).