University of South Dakota, Sioux Falls, 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!
Good
050
Moderate
100
Poor
150
Unhealthy
200
Severe
300
Hazardous
301+
August Air Quality Analysis
University of South Dakota, Sioux Falls, South Dakota, United States
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
1st Aug 2025
125AQILowest AQI recorded on
10th Aug 2025
25AQISame Day Analysis (10th August ):
On this day, AQI across the 1 years varied significantly: 2025 ranks 1st highest AQI at 25 of Good air quality on the same day.
Download 2024 Annual Data
World Air Quality Report
Day & Night AQI Trend: 10th Aug - 11th Aug 2025
University of South Dakota, Sioux Falls, South Dakota, United States
AQI
Day
Night
.
6 AM10th Aug 2025
8 PM
5 AM11th Aug 2025
Day time
Avg. Highest Time
6PM10th Aug
46AQI
Avg. Lowest Time
9AM10th Aug
20AQI
Night time
Avg. Highest Time
5AM11th Aug
80AQI
Avg. Lowest Time
9PM10th Aug
53AQI
In the last 24 hours,
University of South Dakota's AQI reached its highest point of 80 at 5 AM during the Night, while the lowest point, 20, was recorded at 9 AM during the Day between 10th Aug and 11th Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
University of South Dakota, Sioux Falls, South Dakota, United States
JulAug
12th - 13th13th - 14th14th - 15th15th - 16th16th - 17th17th - 18th18th - 19th19th - 20th20th - 21st21st - 22nd22nd - 23rd23rd - 24th24th - 25th25th - 26th26th - 27th27th - 28th28th - 29th29th - 30th30th - 31st31st - 01st01st - 02nd02nd - 03rd03rd - 04th04th - 05th05th - 06th06th - 07th07th - 08th08th - 09th09th - 10th10th - 11th11th
Day
Night
12th Jul 2025396 AMAQI
12th Jul 2025397 AMAQI
12th Jul 2025428 AMAQI
12th Jul 2025369 AMAQI
12th Jul 20254010 AMAQI
12th Jul 20253511 AMAQI
12th Jul 20253412 PMAQI
12th Jul 2025351 PMAQI
12th Jul 2025372 PMAQI
12th Jul 2025463 PMAQI
12th Jul 2025544 PMAQI
12th Jul 2025585 PMAQI
12th Jul 2025596 PMAQI
12th Jul 2025557 PMAQI
12th Jul 2025538 PMAQI
12th Jul 2025649 PMAQI
12th Jul 20256910 PMAQI
12th Jul 20256411 PMAQI
13th Jul 20256412 AMAQI
13th Jul 2025641 AMAQI
13th Jul 2025782 AMAQI
13th Jul 2025763 AMAQI
13th Jul 2025764 AMAQI
13th Jul 2025745 AMAQI
22°C16/28°C
13th Jul 2025736 AMAQI
13th Jul 2025747 AMAQI
13th Jul 2025768 AMAQI
13th Jul 2025789 AMAQI
13th Jul 20257610 AMAQI
13th Jul 20256811 AMAQI
13th Jul 20256512 PMAQI
13th Jul 2025641 PMAQI
13th Jul 2025612 PMAQI
13th Jul 2025643 PMAQI
13th Jul 2025664 PMAQI
13th Jul 2025705 PMAQI
13th Jul 2025726 PMAQI
13th Jul 2025707 PMAQI
13th Jul 2025688 PMAQI
13th Jul 2025589 PMAQI
13th Jul 20255910 PMAQI
13th Jul 20256311 PMAQI
14th Jul 20256112 AMAQI
14th Jul 2025561 AMAQI
14th Jul 2025502 AMAQI
14th Jul 2025533 AMAQI
14th Jul 2025514 AMAQI
14th Jul 2025505 AMAQI
23°C13/33°C
14th Jul 2025526 AMAQI
14th Jul 2025567 AMAQI
14th Jul 2025588 AMAQI
14th Jul 2025609 AMAQI
14th Jul 20255810 AMAQI
14th Jul 20255611 AMAQI
14th Jul 20255312 PMAQI
14th Jul 2025501 PMAQI
14th Jul 2025532 PMAQI
14th Jul 2025543 PMAQI
14th Jul 2025544 PMAQI
14th Jul 2025535 PMAQI
14th Jul 2025526 PMAQI
14th Jul 2025547 PMAQI
14th Jul 2025538 PMAQI
14th Jul 2025549 PMAQI
14th Jul 20255610 PMAQI
14th Jul 20255211 PMAQI
15th Jul 20255412 AMAQI
15th Jul 2025501 AMAQI
15th Jul 2025442 AMAQI
15th Jul 2025383 AMAQI
15th Jul 2025404 AMAQI
15th Jul 2025435 AMAQI
27°C19/36°C
15th Jul 2025466 AMAQI
15th Jul 2025497 AMAQI
15th Jul 2025498 AMAQI
15th Jul 2025489 AMAQI
15th Jul 20255210 AMAQI
15th Jul 20255411 AMAQI
15th Jul 20255312 PMAQI
15th Jul 2025521 PMAQI
15th Jul 2025522 PMAQI
15th Jul 2025463 PMAQI
15th Jul 2025464 PMAQI
15th Jul 2025485 PMAQI
15th Jul 2025476 PMAQI
15th Jul 2025527 PMAQI
15th Jul 2025528 PMAQI
15th Jul 2025529 PMAQI
15th Jul 20255110 PMAQI
15th Jul 20255111 PMAQI
16th Jul 20254512 AMAQI
16th Jul 2025371 AMAQI
16th Jul 2025282 AMAQI
16th Jul 2025253 AMAQI
16th Jul 2025244 AMAQI
16th Jul 2025265 AMAQI
28°C21/36°C
16th Jul 2025296 AMAQI
16th Jul 2025387 AMAQI
16th Jul 2025448 AMAQI
16th Jul 2025479 AMAQI
16th Jul 20255210 AMAQI
16th Jul 20255111 AMAQI
16th Jul 20254412 PMAQI
16th Jul 2025371 PMAQI
16th Jul 2025322 PMAQI
16th Jul 2025333 PMAQI
16th Jul 2025344 PMAQI
16th Jul 2025345 PMAQI
16th Jul 2025326 PMAQI
16th Jul 2025317 PMAQI
16th Jul 2025308 PMAQI
16th Jul 2025289 PMAQI
16th Jul 20253010 PMAQI
16th Jul 20253111 PMAQI
17th Jul 20252912 AMAQI
17th Jul 2025261 AMAQI
17th Jul 2025232 AMAQI
17th Jul 2025243 AMAQI
17th Jul 2025234 AMAQI
17th Jul 2025245 AMAQI
19°C13/22°C
17th Jul 2025246 AMAQI
17th Jul 2025257 AMAQI
17th Jul 2025268 AMAQI
17th Jul 2025269 AMAQI
17th Jul 20252310 AMAQI
17th Jul 20252411 AMAQI
17th Jul 20252212 PMAQI
17th Jul 2025201 PMAQI
17th Jul 2025262 PMAQI
17th Jul 2025303 PMAQI
17th Jul 2025274 PMAQI
17th Jul 2025285 PMAQI
17th Jul 2025316 PMAQI
17th Jul 2025267 PMAQI
17th Jul 2025268 PMAQI
17th Jul 2025239 PMAQI
17th Jul 20252310 PMAQI
17th Jul 20252811 PMAQI
18th Jul 20252712 AMAQI
18th Jul 2025261 AMAQI
18th Jul 2025232 AMAQI
18th Jul 2025243 AMAQI
18th Jul 2025214 AMAQI
18th Jul 2025195 AMAQI
18°C11/25°C
18th Jul 2025206 AMAQI
18th Jul 2025187 AMAQI
18th Jul 2025178 AMAQI
18th Jul 2025169 AMAQI
18th Jul 20251810 AMAQI
18th Jul 20252011 AMAQI
18th Jul 20252212 PMAQI
18th Jul 2025261 PMAQI
18th Jul 2025302 PMAQI
18th Jul 2025283 PMAQI
18th Jul 2025274 PMAQI
18th Jul 2025305 PMAQI
18th Jul 2025326 PMAQI
18th Jul 2025267 PMAQI
18th Jul 2025258 PMAQI
18th Jul 2025319 PMAQI
18th Jul 20253110 PMAQI
18th Jul 20253311 PMAQI
19th Jul 20253612 AMAQI
19th Jul 2025331 AMAQI
19th Jul 2025322 AMAQI
19th Jul 2025323 AMAQI
19th Jul 2025284 AMAQI
19th Jul 2025305 AMAQI
21°C14/28°C
19th Jul 2025286 AMAQI
19th Jul 2025267 AMAQI
19th Jul 2025228 AMAQI
19th Jul 2025229 AMAQI
19th Jul 20252210 AMAQI
19th Jul 20252211 AMAQI
19th Jul 20252112 PMAQI
19th Jul 2025221 PMAQI
19th Jul 2025242 PMAQI
19th Jul 2025243 PMAQI
19th Jul 2025264 PMAQI
19th Jul 2025265 PMAQI
19th Jul 2025266 PMAQI
19th Jul 2025297 PMAQI
19th Jul 2025288 PMAQI
19th Jul 2025279 PMAQI
19th Jul 20252510 PMAQI
19th Jul 20252511 PMAQI
20th Jul 20252312 AMAQI
20th Jul 2025241 AMAQI
20th Jul 2025292 AMAQI
20th Jul 2025293 AMAQI
20th Jul 2025234 AMAQI
20th Jul 2025255 AMAQI
23°C19/28°C
20th Jul 2025266 AMAQI
20th Jul 2025287 AMAQI
20th Jul 2025268 AMAQI
20th Jul 2025269 AMAQI
20th Jul 20252610 AMAQI
20th Jul 20252711 AMAQI
20th Jul 20252712 PMAQI
20th Jul 2025261 PMAQI
20th Jul 2025282 PMAQI
20th Jul 2025273 PMAQI
20th Jul 2025284 PMAQI
20th Jul 2025285 PMAQI
20th Jul 2025276 PMAQI
20th Jul 2025257 PMAQI
20th Jul 2025268 PMAQI
20th Jul 2025309 PMAQI
20th Jul 20253010 PMAQI
20th Jul 20253111 PMAQI
21st Jul 20253012 AMAQI
21st Jul 2025301 AMAQI
21st Jul 2025272 AMAQI
21st Jul 2025313 AMAQI
21st Jul 2025294 AMAQI
21st Jul 2025285 AMAQI
22°C14/28°C
21st Jul 2025356 AMAQI
21st Jul 2025417 AMAQI
21st Jul 2025408 AMAQI
21st Jul 2025399 AMAQI
21st Jul 20253610 AMAQI
21st Jul 20253711 AMAQI
21st Jul 20253612 PMAQI
21st Jul 2025361 PMAQI
21st Jul 2025372 PMAQI
21st Jul 2025403 PMAQI
21st Jul 2025384 PMAQI
21st Jul 2025385 PMAQI
21st Jul 2025376 PMAQI
21st Jul 2025357 PMAQI
21st Jul 2025418 PMAQI
21st Jul 2025509 PMAQI
21st Jul 20255210 PMAQI
21st Jul 20255011 PMAQI
22nd Jul 20254812 AMAQI
22nd Jul 2025431 AMAQI
22nd Jul 2025392 AMAQI
22nd Jul 2025343 AMAQI
22nd Jul 2025304 AMAQI
22nd Jul 2025295 AMAQI
26°C21/32°C
22nd Jul 2025356 AMAQI
22nd Jul 2025297 AMAQI
22nd Jul 2025268 AMAQI
22nd Jul 2025279 AMAQI
22nd Jul 20252810 AMAQI
22nd Jul 20253211 AMAQI
22nd Jul 20253012 PMAQI
22nd Jul 2025291 PMAQI
22nd Jul 2025312 PMAQI
22nd Jul 2025343 PMAQI
22nd Jul 2025364 PMAQI
22nd Jul 2025455 PMAQI
22nd Jul 2025466 PMAQI
22nd Jul 2025367 PMAQI
22nd Jul 2025388 PMAQI
22nd Jul 2025489 PMAQI
22nd Jul 20254610 PMAQI
22nd Jul 20254911 PMAQI
23rd Jul 20254812 AMAQI
23rd Jul 2025461 AMAQI
23rd Jul 2025442 AMAQI
23rd Jul 2025393 AMAQI
23rd Jul 2025424 AMAQI
23rd Jul 2025385 AMAQI
28°C22/35°C
23rd Jul 2025346 AMAQI
23rd Jul 2025347 AMAQI
23rd Jul 2025388 AMAQI
23rd Jul 2025419 AMAQI
23rd Jul 20254610 AMAQI
23rd Jul 20255211 AMAQI
23rd Jul 20255012 PMAQI
23rd Jul 2025501 PMAQI
23rd Jul 2025462 PMAQI
23rd Jul 2025443 PMAQI
23rd Jul 2025404 PMAQI
23rd Jul 2025385 PMAQI
23rd Jul 2025326 PMAQI
23rd Jul 2025387 PMAQI
23rd Jul 2025388 PMAQI
23rd Jul 2025299 PMAQI
23rd Jul 20252910 PMAQI
23rd Jul 20253011 PMAQI
24th Jul 20252912 AMAQI
24th Jul 2025261 AMAQI
24th Jul 2025202 AMAQI
24th Jul 2025193 AMAQI
24th Jul 2025164 AMAQI
24th Jul 2025165 AMAQI
27°C22/38°C
24th Jul 2025186 AMAQI
24th Jul 2025227 AMAQI
24th Jul 2025248 AMAQI
24th Jul 2025399 AMAQI
24th Jul 20254910 AMAQI
24th Jul 20255311 AMAQI
24th Jul 20255212 PMAQI
24th Jul 2025521 PMAQI
24th Jul 2025452 PMAQI
24th Jul 2025443 PMAQI
24th Jul 2025444 PMAQI
24th Jul 2025465 PMAQI
24th Jul 2025466 PMAQI
24th Jul 2025327 PMAQI
24th Jul 2025358 PMAQI
24th Jul 2025529 PMAQI
24th Jul 20255210 PMAQI
24th Jul 20255311 PMAQI
25th Jul 20255212 AMAQI
25th Jul 2025511 AMAQI
25th Jul 2025432 AMAQI
25th Jul 2025403 AMAQI
25th Jul 2025374 AMAQI
25th Jul 2025355 AMAQI
24°C19/29°C
25th Jul 2025326 AMAQI
25th Jul 2025347 AMAQI
25th Jul 2025328 AMAQI
25th Jul 2025339 AMAQI
25th Jul 20253010 AMAQI
25th Jul 20252911 AMAQI
25th Jul 20253012 PMAQI
25th Jul 2025301 PMAQI
25th Jul 2025292 PMAQI
25th Jul 2025303 PMAQI
25th Jul 2025324 PMAQI
25th Jul 2025305 PMAQI
25th Jul 2025306 PMAQI
25th Jul 2025347 PMAQI
25th Jul 2025368 PMAQI
25th Jul 2025319 PMAQI
25th Jul 20253210 PMAQI
25th Jul 20252911 PMAQI
26th Jul 20253412 AMAQI
26th Jul 2025311 AMAQI
26th Jul 2025242 AMAQI
26th Jul 2025253 AMAQI
26th Jul 2025254 AMAQI
26th Jul 2025245 AMAQI
24°C16/32°C
26th Jul 2025266 AMAQI
26th Jul 2025307 AMAQI
26th Jul 2025288 AMAQI
26th Jul 2025309 AMAQI
26th Jul 20253010 AMAQI
26th Jul 20253011 AMAQI
26th Jul 20253312 PMAQI
26th Jul 2025331 PMAQI
26th Jul 2025322 PMAQI
26th Jul 2025333 PMAQI
26th Jul 2025304 PMAQI
26th Jul 2025305 PMAQI
26th Jul 2025266 PMAQI
26th Jul 2025277 PMAQI
26th Jul 2025308 PMAQI
26th Jul 2025299 PMAQI
26th Jul 20252810 PMAQI
26th Jul 20253011 PMAQI
27th Jul 20253212 AMAQI
27th Jul 2025301 AMAQI
27th Jul 2025232 AMAQI
27th Jul 2025263 AMAQI
27th Jul 2025284 AMAQI
27th Jul 2025235 AMAQI
26°C20/34°C
27th Jul 2025266 AMAQI
27th Jul 2025277 AMAQI
27th Jul 2025268 AMAQI
27th Jul 2025259 AMAQI
27th Jul 20252210 AMAQI
27th Jul 20252211 AMAQI
27th Jul 20252712 PMAQI
27th Jul 2025311 PMAQI
27th Jul 2025302 PMAQI
27th Jul 2025313 PMAQI
27th Jul 2025324 PMAQI
27th Jul 2025325 PMAQI
27th Jul 2025336 PMAQI
27th Jul 2025317 PMAQI
27th Jul 2025308 PMAQI
27th Jul 2025369 PMAQI
27th Jul 20253510 PMAQI
27th Jul 20253611 PMAQI
28th Jul 20253712 AMAQI
28th Jul 2025341 AMAQI
28th Jul 2025372 AMAQI
28th Jul 2025313 AMAQI
28th Jul 2025244 AMAQI
28th Jul 2025235 AMAQI
29°C20/38°C
28th Jul 2025266 AMAQI
28th Jul 2025247 AMAQI
28th Jul 2025228 AMAQI
28th Jul 2025239 AMAQI
28th Jul 20252410 AMAQI
28th Jul 20252611 AMAQI
28th Jul 20252712 PMAQI
28th Jul 2025291 PMAQI
28th Jul 2025302 PMAQI
28th Jul 2025323 PMAQI
28th Jul 2025304 PMAQI
28th Jul 2025295 PMAQI
28th Jul 2025296 PMAQI
28th Jul 2025297 PMAQI
28th Jul 2025318 PMAQI
28th Jul 2025369 PMAQI
28th Jul 20253610 PMAQI
28th Jul 20253011 PMAQI
29th Jul 20252612 AMAQI
29th Jul 2025171 AMAQI
29th Jul 2025192 AMAQI
29th Jul 2025223 AMAQI
29th Jul 2025244 AMAQI
29th Jul 2025225 AMAQI
28°C20/36°C
29th Jul 2025226 AMAQI
29th Jul 2025247 AMAQI
29th Jul 2025258 AMAQI
29th Jul 2025279 AMAQI
29th Jul 20252610 AMAQI
29th Jul 20252611 AMAQI
29th Jul 20252612 PMAQI
29th Jul 2025291 PMAQI
29th Jul 2025302 PMAQI
29th Jul 2025303 PMAQI
29th Jul 2025304 PMAQI
29th Jul 2025305 PMAQI
29th Jul 2025316 PMAQI
29th Jul 2025267 PMAQI
29th Jul 2025268 PMAQI
29th Jul 2025299 PMAQI
29th Jul 20253310 PMAQI
29th Jul 20253411 PMAQI
30th Jul 20253012 AMAQI
30th Jul 2025301 AMAQI
30th Jul 2025342 AMAQI
30th Jul 2025343 AMAQI
30th Jul 2025324 AMAQI
30th Jul 2025375 AMAQI
23°C19/29°C
30th Jul 2025356 AMAQI
30th Jul 2025337 AMAQI
30th Jul 2025358 AMAQI
30th Jul 2025389 AMAQI
30th Jul 20253710 AMAQI
30th Jul 20254211 AMAQI
30th Jul 20254612 PMAQI
30th Jul 2025471 PMAQI
30th Jul 2025522 PMAQI
30th Jul 2025513 PMAQI
30th Jul 2025514 PMAQI
30th Jul 2025515 PMAQI
30th Jul 2025516 PMAQI
30th Jul 2025517 PMAQI
30th Jul 2025518 PMAQI
30th Jul 2025629 PMAQI
30th Jul 20256410 PMAQI
30th Jul 20256611 PMAQI
31st Jul 20257012 AMAQI
31st Jul 2025761 AMAQI
31st Jul 20251072 AMAQI
31st Jul 20251243 AMAQI
31st Jul 20251124 AMAQI
31st Jul 20251275 AMAQI
22°C18/25°C
31st Jul 20251266 AMAQI
31st Jul 20251297 AMAQI
31st Jul 20251278 AMAQI
31st Jul 20251259 AMAQI
31st Jul 202513610 AMAQI
31st Jul 202513611 AMAQI
31st Jul 202513012 PMAQI
31st Jul 20251431 PMAQI
31st Jul 20251192 PMAQI
31st Jul 20251263 PMAQI
31st Jul 20251294 PMAQI
31st Jul 20251185 PMAQI
31st Jul 20251206 PMAQI
31st Jul 20251287 PMAQI
31st Jul 20251208 PMAQI
31st Jul 20251089 PMAQI
31st Jul 202511910 PMAQI
31st Jul 202510911 PMAQI
1st Aug 202511512 AMAQI
1st Aug 20251191 AMAQI
1st Aug 20251102 AMAQI
1st Aug 20251143 AMAQI
1st Aug 20251114 AMAQI
1st Aug 20251095 AMAQI
21°C16/29°C
1st Aug 20251186 AMAQI
1st Aug 20251127 AMAQI
1st Aug 20251148 AMAQI
1st Aug 20251269 AMAQI
1st Aug 202513410 AMAQI
1st Aug 202513811 AMAQI
1st Aug 202515212 PMAQI
1st Aug 20251501 PMAQI
1st Aug 20251452 PMAQI
1st Aug 20251463 PMAQI
1st Aug 20251364 PMAQI
1st Aug 20251355 PMAQI
1st Aug 20251246 PMAQI
1st Aug 20251227 PMAQI
1st Aug 20251298 PMAQI
1st Aug 20251249 PMAQI
1st Aug 202512710 PMAQI
1st Aug 202511411 PMAQI
2nd Aug 202510912 AMAQI
2nd Aug 20251081 AMAQI
2nd Aug 20251102 AMAQI
2nd Aug 20251123 AMAQI
2nd Aug 20251094 AMAQI
2nd Aug 20251095 AMAQI
19°C12/25°C
2nd Aug 20251026 AMAQI
2nd Aug 20251047 AMAQI
2nd Aug 20251098 AMAQI
2nd Aug 20251029 AMAQI
2nd Aug 202510610 AMAQI
2nd Aug 202510611 AMAQI
2nd Aug 202510612 PMAQI
2nd Aug 20251051 PMAQI
2nd Aug 2025952 PMAQI
2nd Aug 2025923 PMAQI
2nd Aug 2025904 PMAQI
2nd Aug 2025895 PMAQI
2nd Aug 2025836 PMAQI
2nd Aug 20251037 PMAQI
2nd Aug 2025988 PMAQI
2nd Aug 2025929 PMAQI
2nd Aug 20259910 PMAQI
2nd Aug 20259611 PMAQI
3rd Aug 20259712 AMAQI
3rd Aug 2025981 AMAQI
3rd Aug 2025902 AMAQI
3rd Aug 2025903 AMAQI
3rd Aug 2025914 AMAQI
3rd Aug 2025985 AMAQI
17°C10/26°C
3rd Aug 2025896 AMAQI
3rd Aug 2025877 AMAQI
3rd Aug 2025858 AMAQI
3rd Aug 2025859 AMAQI
3rd Aug 20258510 AMAQI
3rd Aug 20258411 AMAQI
3rd Aug 20258412 PMAQI
3rd Aug 2025801 PMAQI
3rd Aug 2025832 PMAQI
3rd Aug 2025793 PMAQI
3rd Aug 2025824 PMAQI
3rd Aug 2025805 PMAQI
3rd Aug 2025786 PMAQI
3rd Aug 2025877 PMAQI
3rd Aug 2025808 PMAQI
3rd Aug 2025789 PMAQI
3rd Aug 20257410 PMAQI
3rd Aug 20257411 PMAQI
4th Aug 20257512 AMAQI
4th Aug 2025721 AMAQI
4th Aug 2025702 AMAQI
4th Aug 2025703 AMAQI
4th Aug 2025734 AMAQI
4th Aug 2025695 AMAQI
18°C16/22°C
4th Aug 2025636 AMAQI
4th Aug 2025637 AMAQI
4th Aug 2025618 AMAQI
4th Aug 2025629 AMAQI
4th Aug 20256110 AMAQI
4th Aug 20256011 AMAQI
4th Aug 20256112 PMAQI
4th Aug 2025581 PMAQI
4th Aug 2025572 PMAQI
4th Aug 2025563 PMAQI
4th Aug 2025554 PMAQI
4th Aug 2025545 PMAQI
4th Aug 2025556 PMAQI
4th Aug 2025637 PMAQI
4th Aug 2025588 PMAQI
4th Aug 2025539 PMAQI
4th Aug 20255210 PMAQI
4th Aug 20255311 PMAQI
5th Aug 20255412 AMAQI
5th Aug 2025521 AMAQI
5th Aug 2025552 AMAQI
5th Aug 2025553 AMAQI
5th Aug 2025544 AMAQI
5th Aug 2025585 AMAQI
20°C16/25°C
5th Aug 2025586 AMAQI
5th Aug 2025597 AMAQI
5th Aug 2025628 AMAQI
5th Aug 2025589 AMAQI
5th Aug 20255610 AMAQI
5th Aug 20255711 AMAQI
5th Aug 20255412 PMAQI
5th Aug 2025541 PMAQI
5th Aug 2025542 PMAQI
5th Aug 2025553 PMAQI
5th Aug 2025564 PMAQI
5th Aug 2025545 PMAQI
5th Aug 2025526 PMAQI
5th Aug 2025557 PMAQI
5th Aug 2025548 PMAQI
5th Aug 2025529 PMAQI
5th Aug 20255210 PMAQI
5th Aug 20255111 PMAQI
6th Aug 20254812 AMAQI
6th Aug 2025461 AMAQI
6th Aug 2025432 AMAQI
6th Aug 2025383 AMAQI
6th Aug 2025364 AMAQI
6th Aug 2025315 AMAQI
22°C17/29°C
6th Aug 2025366 AMAQI
6th Aug 2025267 AMAQI
6th Aug 2025258 AMAQI
6th Aug 2025239 AMAQI
6th Aug 20253010 AMAQI
6th Aug 20253311 AMAQI
6th Aug 20252212 PMAQI
6th Aug 2025211 PMAQI
6th Aug 2025222 PMAQI
6th Aug 2025213 PMAQI
6th Aug 2025284 PMAQI
6th Aug 2025285 PMAQI
6th Aug 2025276 PMAQI
6th Aug 2025297 PMAQI
6th Aug 2025268 PMAQI
6th Aug 2025219 PMAQI
6th Aug 20252010 PMAQI
6th Aug 20252311 PMAQI
7th Aug 20253212 AMAQI
7th Aug 2025311 AMAQI
7th Aug 2025282 AMAQI
7th Aug 2025263 AMAQI
7th Aug 2025244 AMAQI
7th Aug 2025265 AMAQI
24°C20/33°C
7th Aug 2025276 AMAQI
7th Aug 2025287 AMAQI
7th Aug 2025338 AMAQI
7th Aug 2025339 AMAQI
7th Aug 20253310 AMAQI
7th Aug 20253711 AMAQI
7th Aug 20253812 PMAQI
7th Aug 2025401 PMAQI
7th Aug 2025432 PMAQI
7th Aug 2025473 PMAQI
7th Aug 2025504 PMAQI
7th Aug 2025495 PMAQI
7th Aug 2025506 PMAQI
7th Aug 2025367 PMAQI
7th Aug 2025358 PMAQI
7th Aug 2025499 PMAQI
7th Aug 20255010 PMAQI
7th Aug 20255011 PMAQI
8th Aug 20255212 AMAQI
8th Aug 2025531 AMAQI
8th Aug 2025502 AMAQI
8th Aug 2025503 AMAQI
8th Aug 2025524 AMAQI
8th Aug 2025515 AMAQI
26°C21/33°C
8th Aug 2025526 AMAQI
8th Aug 2025527 AMAQI
8th Aug 2025508 AMAQI
8th Aug 2025519 AMAQI
8th Aug 20254810 AMAQI
8th Aug 20254711 AMAQI
8th Aug 20254612 PMAQI
8th Aug 2025461 PMAQI
8th Aug 2025492 PMAQI
8th Aug 2025523 PMAQI
8th Aug 2025504 PMAQI
8th Aug 2025495 PMAQI
8th Aug 2025496 PMAQI
8th Aug 2025517 PMAQI
8th Aug 2025528 PMAQI
8th Aug 2025529 PMAQI
8th Aug 20255110 PMAQI
8th Aug 20254611 PMAQI
9th Aug 20254412 AMAQI
9th Aug 2025471 AMAQI
9th Aug 2025442 AMAQI
9th Aug 2025423 AMAQI
9th Aug 2025404 AMAQI
9th Aug 2025375 AMAQI
27°C23/33°C
9th Aug 2025356 AMAQI
9th Aug 2025347 AMAQI
9th Aug 2025278 AMAQI
9th Aug 2025249 AMAQI
9th Aug 20252410 AMAQI
9th Aug 20252211 AMAQI
9th Aug 20252212 PMAQI
9th Aug 2025201 PMAQI
9th Aug 2025242 PMAQI
9th Aug 2025253 PMAQI
9th Aug 2025254 PMAQI
9th Aug 2025245 PMAQI
9th Aug 2025246 PMAQI
9th Aug 2025237 PMAQI
9th Aug 2025228 PMAQI
9th Aug 2025229 PMAQI
9th Aug 20251910 PMAQI
9th Aug 20252211 PMAQI
10th Aug 20252212 AMAQI
10th Aug 2025201 AMAQI
10th Aug 2025202 AMAQI
10th Aug 2025233 AMAQI
10th Aug 2025244 AMAQI
10th Aug 2025195 AMAQI
25°C21/28°C
10th Aug 2025226 AMAQI
10th Aug 2025227 AMAQI
10th Aug 2025208 AMAQI
10th Aug 2025209 AMAQI
10th Aug 20252310 AMAQI
10th Aug 20252511 AMAQI
10th Aug 20252912 PMAQI
10th Aug 2025361 PMAQI
10th Aug 2025342 PMAQI
10th Aug 2025313 PMAQI
10th Aug 2025304 PMAQI
10th Aug 2025435 PMAQI
10th Aug 2025466 PMAQI
10th Aug 2025287 PMAQI
10th Aug 2025308 PMAQI
10th Aug 2025539 PMAQI
10th Aug 20255410 PMAQI
10th Aug 20255511 PMAQI
11th Aug 20256012 AMAQI
11th Aug 2025701 AMAQI
11th Aug 2025732 AMAQI
11th Aug 2025763 AMAQI
11th Aug 2025724 AMAQI
11th Aug 2025805 AMAQI
22°C16/30°C
11th Aug 2025666 AMAQI
6 AM11th Aug 2025667 AMAQI
11th Aug 2025658 AMAQI
11th Aug 2025719 AMAQI
11th Aug 20258510 AMAQI
11th Aug 20258311 AMAQI
11th Aug 20258812 PMAQI
11th Aug 20251071 PMAQI
1 PM11th Aug 20251282 PMAQI
8 PM
1 AM
5 AM
--°C/°C
Day time
Avg. Highest Time
6 AM - 8 PM
48AQI
15 hours / Day
450 hours / Month
Avg. Lowest Time
6 AM - 8 PM
48AQI
15 hours / Day
450 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 6 AM to 8 PM (Avg. 48), while the lowest AQI was between 6 AM to 8 PM (Avg. 48).
Night time
Avg. Highest Time
12 AM - 11 PM
48AQI
9 hours / Day
270 hours / Month
Avg. Lowest Time
12 AM - 5 AM
48AQI
6 hours / Day
180 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 12 AM to 11 PM (Avg. 48), while the lowest AQI was between 12 AM to 5 AM (Avg. 48).
2025 Days Vs Air Quality
University of South Dakota, Sioux Falls, South Dakota, United States
2025
82%
113
15%
21
2%
3
Total number of days with different AQI categories in last 223 days in 2025 (142 days remaining)
Good
113 DaysModerate
21 DaysPoor
3 DaysUnhealthy
0 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 82%
Health Risk Level:
Low
In 2025, 82% of 223 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
University of South Dakota, Sioux Falls, South Dakota, United States
AQI levels in 2025
AQI
PM2.5
PM10
CO
SO2
NO2
O3
Sun.Mon.Tue.Wed.Thu.Fri.Sat.
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
1st March 2025
35AQI
35AQI
2nd March 2025
45AQI
45AQI
3rd March 2025
26AQI
26AQI
4th March 2025
17AQI
17AQI
5th March 2025
20AQI
20AQI
1st April 2025
24AQI
24AQI
2nd April 2025
29AQI
29AQI
3rd April 2025
20AQI
20AQI
4th April 2025
25AQI
25AQI
5th April 2025
20AQI
20AQI
6th April 2025
18AQI
18AQI
7th April 2025
16AQI
16AQI
8th April 2025
28AQI
28AQI
9th April 2025
37AQI
37AQI
10th April 2025
23AQI
23AQI
11th April 2025
26AQI
26AQI
12th April 2025
59AQI
59AQI
13th April 2025
58AQI
58AQI
14th April 2025
23AQI
23AQI
15th April 2025
15AQI
15AQI
16th April 2025
40AQI
40AQI
17th April 2025
57AQI
57AQI
18th April 2025
28AQI
28AQI
19th April 2025
18AQI
18AQI
20th April 2025
38AQI
38AQI
21st April 2025
28AQI
28AQI
22nd April 2025
24AQI
24AQI
23rd April 2025
21AQI
21AQI
24th April 2025
22AQI
22AQI
25th April 2025
16AQI
16AQI
26th April 2025
21AQI
21AQI
27th April 2025
20AQI
20AQI
28th April 2025
32AQI
32AQI
29th April 2025
14AQI
14AQI
30th April 2025
28AQI
28AQI
1st May 2025
24AQI
24AQI
2nd May 2025
17AQI
17AQI
3rd May 2025
21AQI
21AQI
4th May 2025
37AQI
37AQI
5th May 2025
33AQI
33AQI
6th May 2025
33AQI
33AQI
7th May 2025
30AQI
30AQI
8th May 2025
30AQI
30AQI
9th May 2025
42AQI
42AQI
10th May 2025
37AQI
37AQI
11th May 2025
41AQI
41AQI
12th May 2025
40AQI
40AQI
13th May 2025
41AQI
41AQI
14th May 2025
40AQI
40AQI
15th May 2025
38AQI
38AQI
16th May 2025
26AQI
26AQI
17th May 2025
17AQI
17AQI
18th May 2025
18AQI
18AQI
19th May 2025
19AQI
19AQI
20th May 2025
16AQI
16AQI
21st May 2025
15AQI
15AQI
22nd May 2025
14AQI
14AQI
23rd May 2025
24AQI
24AQI
24th May 2025
25AQI
25AQI
25th May 2025
24AQI
24AQI
26th May 2025
29AQI
29AQI
27th May 2025
27AQI
27AQI
28th May 2025
25AQI
25AQI
29th May 2025
23AQI
23AQI
30th May 2025
20AQI
20AQI
31st May 2025
44AQI
44AQI
1st June 2025
93AQI
93AQI
2nd June 2025
64AQI
64AQI
3rd June 2025
71AQI
71AQI
4th June 2025
58AQI
58AQI
5th June 2025
57AQI
57AQI
6th June 2025
57AQI
57AQI
7th June 2025
51AQI
51AQI
8th June 2025
61AQI
61AQI
9th June 2025
54AQI
54AQI
10th June 2025
64AQI
64AQI
11th June 2025
66AQI
66AQI
12th June 2025
68AQI
68AQI
13th June 2025
59AQI
59AQI
14th June 2025
46AQI
46AQI
15th June 2025
35AQI
35AQI
16th June 2025
26AQI
26AQI
17th June 2025
23AQI
23AQI
18th June 2025
24AQI
24AQI
19th June 2025
29AQI
29AQI
20th June 2025
35AQI
35AQI
21st June 2025
50AQI
50AQI
22nd June 2025
50AQI
50AQI
23rd June 2025
38AQI
38AQI
24th June 2025
29AQI
29AQI
25th June 2025
28AQI
28AQI
26th June 2025
20AQI
20AQI
27th June 2025
17AQI
17AQI
28th June 2025
23AQI
23AQI
29th June 2025
25AQI
25AQI
30th June 2025
23AQI
23AQI
1st July 2025
29AQI
29AQI
2nd July 2025
30AQI
30AQI
3rd July 2025
37AQI
37AQI
4th July 2025
46AQI
46AQI
5th July 2025
31AQI
31AQI
6th July 2025
37AQI
37AQI
7th July 2025
41AQI
41AQI
8th July 2025
29AQI
29AQI
9th July 2025
33AQI
33AQI
10th July 2025
28AQI
28AQI
11th July 2025
33AQI
33AQI
12th July 2025
50AQI
50AQI
13th July 2025
69AQI
69AQI
14th July 2025
54AQI
54AQI
15th July 2025
48AQI
48AQI
16th July 2025
34AQI
34AQI
17th July 2025
25AQI
25AQI
18th July 2025
25AQI
25AQI
19th July 2025
27AQI
27AQI
20th July 2025
27AQI
27AQI
21st July 2025
37AQI
37AQI
22nd July 2025
37AQI
37AQI
23rd July 2025
40AQI
40AQI
24th July 2025
36AQI
36AQI
25th July 2025
35AQI
35AQI
26th July 2025
29AQI
29AQI
27th July 2025
29AQI
29AQI
28th July 2025
30AQI
30AQI
29th July 2025
26AQI
26AQI
30th July 2025
44AQI
44AQI
31st July 2025
118AQI
118AQI
1st August 2025
125AQI
125AQI
2nd August 2025
102AQI
102AQI
3rd August 2025
85AQI
85AQI
4th August 2025
62AQI
62AQI
5th August 2025
55AQI
55AQI
6th August 2025
30AQI
30AQI
7th August 2025
37AQI
37AQI
8th August 2025
50AQI
50AQI
9th August 2025
29AQI
29AQI
10th August 2025
25AQI
25AQI
29AQI
28AQI
28AQI
45AQI
39AQI
60AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202536AQI
5
27
3
31
17
13
28
2
1
5
3
2
113
21
3
Highest AQI recorded in
August60AQI
Lowest AQI recorded in
April28AQI
Most & Least Polluted Years Over the Last 1 Years
Most Polluted Year Recorded
2025(Avg.)
36AQILeast Polluted Year Recorded
2025(Avg.)
36AQIUniversity of South Dakota's annual 2025 AQI (36) shows an average percentage change of NaN% (improved AQI) compared to previous years: .
