Regent, Madison, Wisconsin, 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
Regent, Madison, Wisconsin, United States
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
4th Aug 2025
122AQILowest AQI recorded on
8th Aug 2025
54AQISame Day Analysis (9th August ):
On this day, AQI across the 1 years varied significantly: 2025 ranks 1st highest AQI at 55 of Moderate air quality on the same day.
Download 2024 Annual Data
World Air Quality Report
Day & Night AQI Trend: 9th Aug - 10th Aug 2025
Regent, Madison, Wisconsin, United States
AQI
Day
Night
.
5 AM9th Aug 2025
8 PM
4 AM10th Aug 2025
Day time
Avg. Highest Time
5AM9th Aug
57AQI
Avg. Lowest Time
6PM9th Aug
52AQI
Night time
Avg. Highest Time
12AM10th Aug
52AQI
Avg. Lowest Time
4AM10th Aug
44AQI
In the last 24 hours,
Regent's AQI reached its highest point of 57 at 5 AM during the Day, while the lowest point, 44, was recorded at 4 AM during the Night between 9th Aug and 10th Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Regent, Madison, Wisconsin, United States
JulAug
11th - 12th12th - 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
Day
Night
11th Jul 2025395 AMAQI
11th Jul 2025376 AMAQI
11th Jul 2025397 AMAQI
11th Jul 2025408 AMAQI
11th Jul 2025429 AMAQI
11th Jul 20254010 AMAQI
11th Jul 20253811 AMAQI
11th Jul 20253512 PMAQI
11th Jul 2025341 PMAQI
11th Jul 2025342 PMAQI
11th Jul 2025363 PMAQI
11th Jul 2025364 PMAQI
11th Jul 2025365 PMAQI
11th Jul 2025376 PMAQI
11th Jul 2025367 PMAQI
11th Jul 2025378 PMAQI
11th Jul 2025349 PMAQI
11th Jul 20253410 PMAQI
11th Jul 20253411 PMAQI
12th Jul 20253412 AMAQI
12th Jul 2025311 AMAQI
12th Jul 2025262 AMAQI
12th Jul 2025243 AMAQI
12th Jul 2025264 AMAQI
21°C19/27°C
12th Jul 2025295 AMAQI
12th Jul 2025256 AMAQI
12th Jul 2025317 AMAQI
12th Jul 2025248 AMAQI
12th Jul 2025249 AMAQI
12th Jul 20252610 AMAQI
12th Jul 20252611 AMAQI
12th Jul 20252712 PMAQI
12th Jul 2025301 PMAQI
12th Jul 2025302 PMAQI
12th Jul 2025333 PMAQI
12th Jul 2025364 PMAQI
12th Jul 2025455 PMAQI
12th Jul 2025526 PMAQI
12th Jul 2025437 PMAQI
12th Jul 2025378 PMAQI
12th Jul 2025569 PMAQI
12th Jul 20255510 PMAQI
12th Jul 20255411 PMAQI
13th Jul 20255312 AMAQI
13th Jul 2025511 AMAQI
13th Jul 2025532 AMAQI
13th Jul 2025503 AMAQI
13th Jul 2025524 AMAQI
23°C19/31°C
13th Jul 2025525 AMAQI
13th Jul 2025576 AMAQI
13th Jul 2025617 AMAQI
13th Jul 2025668 AMAQI
13th Jul 2025709 AMAQI
13th Jul 20258610 AMAQI
13th Jul 20259511 AMAQI
13th Jul 202511012 PMAQI
13th Jul 20251091 PMAQI
13th Jul 20251042 PMAQI
13th Jul 2025933 PMAQI
13th Jul 2025824 PMAQI
13th Jul 2025905 PMAQI
13th Jul 2025936 PMAQI
13th Jul 2025747 PMAQI
13th Jul 2025788 PMAQI
13th Jul 2025779 PMAQI
13th Jul 20258310 PMAQI
13th Jul 20258011 PMAQI
14th Jul 20257612 AMAQI
14th Jul 2025781 AMAQI
14th Jul 2025722 AMAQI
14th Jul 2025693 AMAQI
14th Jul 2025674 AMAQI
22°C15/28°C
14th Jul 2025675 AMAQI
14th Jul 2025686 AMAQI
14th Jul 2025687 AMAQI
14th Jul 2025708 AMAQI
14th Jul 2025729 AMAQI
14th Jul 20257210 AMAQI
14th Jul 20257011 AMAQI
14th Jul 20257312 PMAQI
14th Jul 2025731 PMAQI
14th Jul 2025722 PMAQI
14th Jul 2025743 PMAQI
14th Jul 2025744 PMAQI
14th Jul 2025695 PMAQI
14th Jul 2025726 PMAQI
14th Jul 2025707 PMAQI
14th Jul 2025728 PMAQI
14th Jul 2025719 PMAQI
14th Jul 20257110 PMAQI
14th Jul 20257011 PMAQI
15th Jul 20256912 AMAQI
15th Jul 2025711 AMAQI
15th Jul 2025622 AMAQI
15th Jul 2025623 AMAQI
15th Jul 2025624 AMAQI
23°C15/32°C
15th Jul 2025605 AMAQI
15th Jul 2025626 AMAQI
15th Jul 2025647 AMAQI
15th Jul 2025648 AMAQI
15th Jul 2025669 AMAQI
15th Jul 20256510 AMAQI
15th Jul 20256611 AMAQI
15th Jul 20256312 PMAQI
15th Jul 2025611 PMAQI
15th Jul 2025612 PMAQI
15th Jul 2025623 PMAQI
15th Jul 2025604 PMAQI
15th Jul 2025605 PMAQI
15th Jul 2025606 PMAQI
15th Jul 2025637 PMAQI
15th Jul 2025628 PMAQI
15th Jul 2025599 PMAQI
15th Jul 20256010 PMAQI
15th Jul 20256011 PMAQI
16th Jul 20255912 AMAQI
16th Jul 2025541 AMAQI
16th Jul 2025442 AMAQI
16th Jul 2025443 AMAQI
16th Jul 2025454 AMAQI
24°C18/31°C
16th Jul 2025465 AMAQI
16th Jul 2025486 AMAQI
16th Jul 2025507 AMAQI
16th Jul 2025518 AMAQI
16th Jul 2025499 AMAQI
16th Jul 20254810 AMAQI
16th Jul 20255011 AMAQI
16th Jul 20254612 PMAQI
16th Jul 2025461 PMAQI
16th Jul 2025482 PMAQI
16th Jul 2025493 PMAQI
16th Jul 2025464 PMAQI
16th Jul 2025445 PMAQI
16th Jul 2025436 PMAQI
16th Jul 2025487 PMAQI
16th Jul 2025488 PMAQI
16th Jul 2025379 PMAQI
16th Jul 20253610 PMAQI
16th Jul 20253811 PMAQI
17th Jul 20253712 AMAQI
17th Jul 2025321 AMAQI
17th Jul 2025212 AMAQI
17th Jul 2025193 AMAQI
17th Jul 2025184 AMAQI
25°C18/32°C
17th Jul 2025165 AMAQI
17th Jul 2025166 AMAQI
17th Jul 2025187 AMAQI
17th Jul 2025188 AMAQI
17th Jul 2025189 AMAQI
17th Jul 20251810 AMAQI
17th Jul 20251911 AMAQI
17th Jul 20252412 PMAQI
17th Jul 2025331 PMAQI
17th Jul 2025242 PMAQI
17th Jul 2025213 PMAQI
17th Jul 2025204 PMAQI
17th Jul 2025205 PMAQI
17th Jul 2025206 PMAQI
17th Jul 2025207 PMAQI
17th Jul 2025218 PMAQI
17th Jul 2025209 PMAQI
17th Jul 20252010 PMAQI
17th Jul 20252111 PMAQI
18th Jul 20252012 AMAQI
18th Jul 2025221 AMAQI
18th Jul 2025202 AMAQI
18th Jul 2025203 AMAQI
18th Jul 2025214 AMAQI
18°C14/22°C
18th Jul 2025215 AMAQI
18th Jul 2025226 AMAQI
18th Jul 2025227 AMAQI
18th Jul 2025238 AMAQI
18th Jul 2025229 AMAQI
18th Jul 20252110 AMAQI
18th Jul 20252011 AMAQI
18th Jul 20252012 PMAQI
18th Jul 2025221 PMAQI
18th Jul 2025222 PMAQI
18th Jul 2025233 PMAQI
18th Jul 2025284 PMAQI
18th Jul 2025255 PMAQI
18th Jul 2025246 PMAQI
18th Jul 2025227 PMAQI
18th Jul 2025228 PMAQI
18th Jul 2025239 PMAQI
18th Jul 20252610 PMAQI
18th Jul 20252611 PMAQI
19th Jul 20252512 AMAQI
19th Jul 2025241 AMAQI
19th Jul 2025242 AMAQI
19th Jul 2025223 AMAQI
19th Jul 2025234 AMAQI
19°C8/28°C
19th Jul 2025225 AMAQI
19th Jul 2025246 AMAQI
19th Jul 2025257 AMAQI
19th Jul 2025268 AMAQI
19th Jul 2025269 AMAQI
19th Jul 20252610 AMAQI
19th Jul 20252711 AMAQI
19th Jul 20252712 PMAQI
19th Jul 2025281 PMAQI
19th Jul 2025302 PMAQI
19th Jul 2025303 PMAQI
19th Jul 2025294 PMAQI
19th Jul 2025265 PMAQI
19th Jul 2025246 PMAQI
19th Jul 2025257 PMAQI
19th Jul 2025258 PMAQI
19th Jul 2025249 PMAQI
19th Jul 20252410 PMAQI
19th Jul 20252411 PMAQI
20th Jul 20252412 AMAQI
20th Jul 2025261 AMAQI
20th Jul 2025262 AMAQI
20th Jul 2025263 AMAQI
20th Jul 2025244 AMAQI
23°C18/30°C
20th Jul 2025245 AMAQI
20th Jul 2025286 AMAQI
20th Jul 2025287 AMAQI
20th Jul 2025278 AMAQI
20th Jul 2025269 AMAQI
20th Jul 20252810 AMAQI
20th Jul 20252811 AMAQI
20th Jul 20252812 PMAQI
20th Jul 2025311 PMAQI
20th Jul 2025302 PMAQI
20th Jul 2025323 PMAQI
20th Jul 2025324 PMAQI
20th Jul 2025335 PMAQI
20th Jul 2025356 PMAQI
20th Jul 2025297 PMAQI
20th Jul 2025308 PMAQI
20th Jul 2025389 PMAQI
20th Jul 20254210 PMAQI
20th Jul 20254811 PMAQI
21st Jul 20255412 AMAQI
21st Jul 2025541 AMAQI
21st Jul 20251062 AMAQI
21st Jul 20251203 AMAQI
21st Jul 20251344 AMAQI
21°C16/24°C
21st Jul 20251295 AMAQI
21st Jul 20251356 AMAQI
21st Jul 20251207 AMAQI
21st Jul 20251288 AMAQI
21st Jul 20251089 AMAQI
21st Jul 20259610 AMAQI
21st Jul 20259711 AMAQI
21st Jul 20258412 PMAQI
21st Jul 2025821 PMAQI
21st Jul 2025812 PMAQI
21st Jul 2025753 PMAQI
21st Jul 2025784 PMAQI
21st Jul 2025805 PMAQI
21st Jul 2025796 PMAQI
21st Jul 2025887 PMAQI
21st Jul 2025858 PMAQI
21st Jul 2025829 PMAQI
21st Jul 20258410 PMAQI
21st Jul 20258511 PMAQI
22nd Jul 20257912 AMAQI
22nd Jul 2025831 AMAQI
22nd Jul 2025702 AMAQI
22nd Jul 2025693 AMAQI
22nd Jul 2025694 AMAQI
21°C12/28°C
22nd Jul 2025655 AMAQI
22nd Jul 2025636 AMAQI
22nd Jul 2025627 AMAQI
22nd Jul 2025618 AMAQI
22nd Jul 2025629 AMAQI
22nd Jul 20256810 AMAQI
22nd Jul 20257011 AMAQI
22nd Jul 20257112 PMAQI
22nd Jul 2025681 PMAQI
22nd Jul 2025662 PMAQI
22nd Jul 2025653 PMAQI
22nd Jul 2025644 PMAQI
22nd Jul 2025645 PMAQI
22nd Jul 2025636 PMAQI
22nd Jul 2025657 PMAQI
22nd Jul 2025658 PMAQI
22nd Jul 2025649 PMAQI
22nd Jul 20256310 PMAQI
22nd Jul 20256411 PMAQI
23rd Jul 20256212 AMAQI
23rd Jul 2025641 AMAQI
23rd Jul 2025612 AMAQI
23rd Jul 2025623 AMAQI
23rd Jul 2025624 AMAQI
23°C14/33°C
23rd Jul 2025625 AMAQI
23rd Jul 2025646 AMAQI
23rd Jul 2025647 AMAQI
23rd Jul 2025628 AMAQI
23rd Jul 2025599 AMAQI
23rd Jul 20255610 AMAQI
23rd Jul 20255411 AMAQI
23rd Jul 20255412 PMAQI
23rd Jul 2025581 PMAQI
23rd Jul 2025612 PMAQI
23rd Jul 2025623 PMAQI
23rd Jul 2025604 PMAQI
23rd Jul 2025585 PMAQI
23rd Jul 2025586 PMAQI
23rd Jul 2025587 PMAQI
23rd Jul 2025598 PMAQI
23rd Jul 2025569 PMAQI
23rd Jul 20255710 PMAQI
23rd Jul 20255811 PMAQI
24th Jul 20255712 AMAQI
24th Jul 2025571 AMAQI
24th Jul 2025472 AMAQI
24th Jul 2025433 AMAQI
24th Jul 2025394 AMAQI
27°C21/36°C
24th Jul 2025395 AMAQI
24th Jul 2025396 AMAQI
24th Jul 2025377 AMAQI
24th Jul 2025328 AMAQI
24th Jul 2025309 AMAQI
24th Jul 20253010 AMAQI
24th Jul 20253011 AMAQI
24th Jul 20252912 PMAQI
24th Jul 2025281 PMAQI
24th Jul 2025302 PMAQI
24th Jul 2025343 PMAQI
24th Jul 2025334 PMAQI
24th Jul 2025355 PMAQI
24th Jul 2025326 PMAQI
24th Jul 2025347 PMAQI
24th Jul 2025338 PMAQI
24th Jul 2025319 PMAQI
24th Jul 20253010 PMAQI
24th Jul 20253111 PMAQI
25th Jul 20253112 AMAQI
25th Jul 2025311 AMAQI
25th Jul 2025192 AMAQI
25th Jul 2025183 AMAQI
25th Jul 2025184 AMAQI
26°C22/33°C
25th Jul 2025185 AMAQI
25th Jul 2025196 AMAQI
25th Jul 2025207 AMAQI
25th Jul 2025238 AMAQI
25th Jul 2025269 AMAQI
25th Jul 20252810 AMAQI
25th Jul 20252811 AMAQI
25th Jul 20252612 PMAQI
25th Jul 2025281 PMAQI
25th Jul 2025312 PMAQI
25th Jul 2025343 PMAQI
25th Jul 2025344 PMAQI
25th Jul 2025355 PMAQI
25th Jul 2025346 PMAQI
25th Jul 2025297 PMAQI
25th Jul 2025338 PMAQI
25th Jul 2025539 PMAQI
25th Jul 20255810 PMAQI
25th Jul 20256011 PMAQI
26th Jul 20256212 AMAQI
26th Jul 2025811 AMAQI
26th Jul 20251302 AMAQI
26th Jul 20251343 AMAQI
26th Jul 20251124 AMAQI
24°C20/29°C
26th Jul 20251035 AMAQI
26th Jul 20251046 AMAQI
26th Jul 20251027 AMAQI
26th Jul 2025988 AMAQI
26th Jul 20251059 AMAQI
26th Jul 20259810 AMAQI
26th Jul 20259711 AMAQI
26th Jul 20257812 PMAQI
26th Jul 2025721 PMAQI
26th Jul 2025692 PMAQI
26th Jul 2025713 PMAQI
26th Jul 2025664 PMAQI
26th Jul 2025645 PMAQI
26th Jul 2025646 PMAQI
26th Jul 2025787 PMAQI
26th Jul 2025898 PMAQI
26th Jul 2025679 PMAQI
26th Jul 20257410 PMAQI
26th Jul 20256811 PMAQI
27th Jul 20256912 AMAQI
27th Jul 2025681 AMAQI
27th Jul 2025332 AMAQI
27th Jul 2025333 AMAQI
27th Jul 2025314 AMAQI
24°C19/31°C
27th Jul 2025325 AMAQI
27th Jul 2025266 AMAQI
27th Jul 2025297 AMAQI
27th Jul 2025298 AMAQI
27th Jul 2025299 AMAQI
27th Jul 20253010 AMAQI
27th Jul 20253211 AMAQI
27th Jul 20253412 PMAQI
27th Jul 2025351 PMAQI
27th Jul 2025342 PMAQI
27th Jul 2025353 PMAQI
27th Jul 2025364 PMAQI
27th Jul 2025355 PMAQI
27th Jul 2025356 PMAQI
27th Jul 2025347 PMAQI
27th Jul 2025348 PMAQI
27th Jul 2025329 PMAQI
27th Jul 20253310 PMAQI
27th Jul 20253511 PMAQI
28th Jul 20253412 AMAQI
28th Jul 2025341 AMAQI
28th Jul 2025282 AMAQI
28th Jul 2025273 AMAQI
28th Jul 2025274 AMAQI
27°C20/35°C
28th Jul 2025265 AMAQI
28th Jul 2025276 AMAQI
28th Jul 2025277 AMAQI
28th Jul 2025278 AMAQI
28th Jul 2025279 AMAQI
28th Jul 20252810 AMAQI
28th Jul 20252811 AMAQI
28th Jul 20252912 PMAQI
28th Jul 2025301 PMAQI
28th Jul 2025302 PMAQI
28th Jul 2025303 PMAQI
28th Jul 2025294 PMAQI
28th Jul 2025285 PMAQI
28th Jul 2025286 PMAQI
28th Jul 2025297 PMAQI
28th Jul 2025288 PMAQI
28th Jul 2025309 PMAQI
28th Jul 20253010 PMAQI
28th Jul 20253311 PMAQI
29th Jul 20253412 AMAQI
29th Jul 2025331 AMAQI
29th Jul 2025332 AMAQI
29th Jul 2025303 AMAQI
29th Jul 2025284 AMAQI
28°C22/36°C
29th Jul 2025285 AMAQI
29th Jul 2025296 AMAQI
29th Jul 2025297 AMAQI
29th Jul 2025308 AMAQI
29th Jul 2025349 AMAQI
29th Jul 20253410 AMAQI
29th Jul 20253911 AMAQI
29th Jul 20253912 PMAQI
29th Jul 2025421 PMAQI
29th Jul 2025422 PMAQI
29th Jul 2025413 PMAQI
29th Jul 2025434 PMAQI
29th Jul 2025435 PMAQI
29th Jul 2025446 PMAQI
29th Jul 2025387 PMAQI
29th Jul 2025388 PMAQI
29th Jul 2025479 PMAQI
29th Jul 20254810 PMAQI
29th Jul 20254911 PMAQI
30th Jul 20255012 AMAQI
30th Jul 2025511 AMAQI
30th Jul 2025562 AMAQI
30th Jul 2025563 AMAQI
30th Jul 2025544 AMAQI
28°C21/35°C
30th Jul 2025545 AMAQI
30th Jul 2025556 AMAQI
30th Jul 2025557 AMAQI
30th Jul 2025558 AMAQI
30th Jul 2025569 AMAQI
30th Jul 20255610 AMAQI
30th Jul 20255611 AMAQI
30th Jul 20255712 PMAQI
30th Jul 2025601 PMAQI
30th Jul 2025592 PMAQI
30th Jul 2025603 PMAQI
30th Jul 2025604 PMAQI
30th Jul 2025605 PMAQI
30th Jul 2025606 PMAQI
30th Jul 2025607 PMAQI
30th Jul 2025608 PMAQI
30th Jul 2025669 PMAQI
30th Jul 20257210 PMAQI
30th Jul 20257811 PMAQI
31st Jul 20257612 AMAQI
31st Jul 2025841 AMAQI
31st Jul 20251462 AMAQI
31st Jul 20251553 AMAQI
31st Jul 20251584 AMAQI
21°C18/23°C
31st Jul 20251605 AMAQI
31st Jul 20251636 AMAQI
31st Jul 20251727 AMAQI
31st Jul 20251748 AMAQI
31st Jul 20251729 AMAQI
31st Jul 202518210 AMAQI
31st Jul 202517911 AMAQI
31st Jul 202518012 PMAQI
31st Jul 20251741 PMAQI
31st Jul 20251702 PMAQI
31st Jul 20251703 PMAQI
31st Jul 20251584 PMAQI
31st Jul 20251575 PMAQI
31st Jul 20251586 PMAQI
31st Jul 20251517 PMAQI
31st Jul 20251408 PMAQI
31st Jul 20251529 PMAQI
31st Jul 202515410 PMAQI
31st Jul 202514511 PMAQI
1st Aug 202514812 AMAQI
1st Aug 20251401 AMAQI
1st Aug 20251422 AMAQI
1st Aug 20251293 AMAQI
1st Aug 20251154 AMAQI
19°C13/25°C
1st Aug 20251145 AMAQI
1st Aug 20251116 AMAQI
1st Aug 20251097 AMAQI
1st Aug 20251088 AMAQI
1st Aug 20251089 AMAQI
1st Aug 202510110 AMAQI
1st Aug 20259611 AMAQI
1st Aug 202510012 PMAQI
1st Aug 20251151 PMAQI
1st Aug 20251132 PMAQI
1st Aug 20251143 PMAQI
1st Aug 20251064 PMAQI
1st Aug 20251045 PMAQI
1st Aug 2025996 PMAQI
1st Aug 20251127 PMAQI
1st Aug 20251098 PMAQI
1st Aug 20251019 PMAQI
1st Aug 202510410 PMAQI
1st Aug 202510511 PMAQI
2nd Aug 202511512 AMAQI
2nd Aug 20251101 AMAQI
2nd Aug 20251112 AMAQI
2nd Aug 20251073 AMAQI
2nd Aug 20251024 AMAQI
18°C10/26°C
2nd Aug 20251055 AMAQI
2nd Aug 2025966 AMAQI
2nd Aug 2025987 AMAQI
2nd Aug 20251048 AMAQI
2nd Aug 20251019 AMAQI
2nd Aug 202510310 AMAQI
2nd Aug 202510211 AMAQI
2nd Aug 20259912 PMAQI
2nd Aug 20251031 PMAQI
2nd Aug 20251022 PMAQI
2nd Aug 2025993 PMAQI
2nd Aug 2025964 PMAQI
2nd Aug 20251015 PMAQI
2nd Aug 2025956 PMAQI
2nd Aug 20251037 PMAQI
2nd Aug 20251118 PMAQI
2nd Aug 20251049 PMAQI
2nd Aug 202510510 PMAQI
2nd Aug 202510811 PMAQI
3rd Aug 202511012 AMAQI
3rd Aug 20251101 AMAQI
3rd Aug 20251112 AMAQI
3rd Aug 20251043 AMAQI
3rd Aug 20251144 AMAQI
19°C9/28°C
3rd Aug 20251105 AMAQI
3rd Aug 20251086 AMAQI
3rd Aug 20251147 AMAQI
3rd Aug 20251088 AMAQI
3rd Aug 20251049 AMAQI
3rd Aug 202510110 AMAQI
3rd Aug 20259611 AMAQI
3rd Aug 20259212 PMAQI
3rd Aug 2025891 PMAQI
3rd Aug 2025922 PMAQI
3rd Aug 2025883 PMAQI
3rd Aug 2025964 PMAQI
3rd Aug 20251045 PMAQI
3rd Aug 20251256 PMAQI
3rd Aug 20251037 PMAQI
3rd Aug 20251188 PMAQI
3rd Aug 20251319 PMAQI
3rd Aug 202513010 PMAQI
3rd Aug 202514011 PMAQI
4th Aug 202513812 AMAQI
4th Aug 20251441 AMAQI
4th Aug 20251392 AMAQI
4th Aug 20251443 AMAQI
4th Aug 20251504 AMAQI
20°C11/29°C
4th Aug 20251465 AMAQI
4th Aug 20251456 AMAQI
4th Aug 20251517 AMAQI
4th Aug 20251518 AMAQI
4th Aug 20251499 AMAQI
4th Aug 202514910 AMAQI
4th Aug 202514411 AMAQI
4th Aug 202514012 PMAQI
4th Aug 20251221 PMAQI
4th Aug 20251062 PMAQI
4th Aug 2025973 PMAQI
4th Aug 2025944 PMAQI
4th Aug 2025965 PMAQI
4th Aug 2025936 PMAQI
4th Aug 20251477 PMAQI
4th Aug 20251078 PMAQI
4th Aug 2025729 PMAQI
4th Aug 20256810 PMAQI
4th Aug 20256511 PMAQI
5th Aug 20256212 AMAQI
5th Aug 2025621 AMAQI
5th Aug 2025602 AMAQI
5th Aug 2025593 AMAQI
5th Aug 2025594 AMAQI
19°C10/26°C
5th Aug 2025585 AMAQI
5th Aug 2025636 AMAQI
5th Aug 2025667 AMAQI
5th Aug 2025738 AMAQI
5th Aug 2025849 AMAQI
5th Aug 20259110 AMAQI
5th Aug 20259211 AMAQI
5th Aug 20259212 PMAQI
5th Aug 2025881 PMAQI
5th Aug 2025902 PMAQI
5th Aug 2025903 PMAQI
5th Aug 2025974 PMAQI
5th Aug 2025985 PMAQI
5th Aug 20251056 PMAQI
5th Aug 2025787 PMAQI
5th Aug 2025908 PMAQI
5th Aug 2025929 PMAQI
5th Aug 20259310 PMAQI
5th Aug 20259311 PMAQI
6th Aug 20259912 AMAQI
6th Aug 20251001 AMAQI
6th Aug 20251072 AMAQI
6th Aug 20251063 AMAQI
6th Aug 20251074 AMAQI
21°C13/31°C
6th Aug 20251125 AMAQI
6th Aug 20251176 AMAQI
6th Aug 20251207 AMAQI
6th Aug 20251248 AMAQI
6th Aug 20251189 AMAQI
6th Aug 202510810 AMAQI
6th Aug 20259611 AMAQI
6th Aug 20259212 PMAQI
6th Aug 2025841 PMAQI
6th Aug 2025772 PMAQI
6th Aug 2025683 PMAQI
6th Aug 2025644 PMAQI
6th Aug 2025595 PMAQI
6th Aug 2025586 PMAQI
6th Aug 2025987 PMAQI
6th Aug 2025768 PMAQI
6th Aug 2025589 PMAQI
6th Aug 20255710 PMAQI
6th Aug 20255611 PMAQI
7th Aug 20256812 AMAQI
7th Aug 2025801 AMAQI
7th Aug 2025662 AMAQI
7th Aug 2025583 AMAQI
7th Aug 2025564 AMAQI
22°C15/28°C
7th Aug 2025585 AMAQI
7th Aug 2025596 AMAQI
7th Aug 2025597 AMAQI
7th Aug 2025598 AMAQI
7th Aug 2025609 AMAQI
7th Aug 20255810 AMAQI
7th Aug 20255811 AMAQI
7th Aug 20255912 PMAQI
7th Aug 2025601 PMAQI
7th Aug 2025622 PMAQI
7th Aug 2025623 PMAQI
7th Aug 2025604 PMAQI
7th Aug 2025615 PMAQI
7th Aug 2025616 PMAQI
7th Aug 2025607 PMAQI
7th Aug 2025618 PMAQI
7th Aug 2025619 PMAQI
7th Aug 20256110 PMAQI
7th Aug 20256011 PMAQI
8th Aug 20256012 AMAQI
8th Aug 2025581 AMAQI
8th Aug 2025532 AMAQI
8th Aug 2025533 AMAQI
8th Aug 2025514 AMAQI
24°C18/33°C
8th Aug 2025485 AMAQI
8th Aug 2025496 AMAQI
8th Aug 2025527 AMAQI
8th Aug 2025518 AMAQI
8th Aug 2025529 AMAQI
8th Aug 20255310 AMAQI
8th Aug 20255311 AMAQI
8th Aug 20255312 PMAQI
8th Aug 2025521 PMAQI
8th Aug 2025542 PMAQI
8th Aug 2025543 PMAQI
8th Aug 2025574 PMAQI
8th Aug 2025565 PMAQI
8th Aug 2025556 PMAQI
8th Aug 2025547 PMAQI
8th Aug 2025548 PMAQI
8th Aug 2025549 PMAQI
8th Aug 20255410 PMAQI
8th Aug 20255411 PMAQI
9th Aug 20255412 AMAQI
9th Aug 2025541 AMAQI
9th Aug 2025552 AMAQI
9th Aug 2025563 AMAQI
9th Aug 2025564 AMAQI
27°C19/35°C
9th Aug 2025575 AMAQI
9th Aug 2025566 AMAQI
9th Aug 2025557 AMAQI
9th Aug 2025558 AMAQI
9th Aug 2025569 AMAQI
9th Aug 20255510 AMAQI
9th Aug 20255611 AMAQI
9th Aug 20255612 PMAQI
9th Aug 2025561 PMAQI
9th Aug 2025562 PMAQI
9th Aug 2025563 PMAQI
9th Aug 2025544 PMAQI
9th Aug 2025525 PMAQI
9th Aug 2025526 PMAQI
9th Aug 2025547 PMAQI
9th Aug 2025568 PMAQI
9th Aug 2025519 PMAQI
9th Aug 20255010 PMAQI
9th Aug 20255111 PMAQI
10th Aug 20255212 AMAQI
10th Aug 2025521 AMAQI
10th Aug 2025522 AMAQI
10th Aug 2025503 AMAQI
10th Aug 2025444 AMAQI
27°C20/36°C
10th Aug 2025505 AMAQI
5 AM10th Aug 2025486 AMAQI
10th Aug 2025487 AMAQI
10th Aug 2025408 AMAQI
10th Aug 2025339 AMAQI
10th Aug 20253210 AMAQI
10th Aug 20253211 AMAQI
10th Aug 20253212 PMAQI
12 PM10th Aug 2025361 PMAQI
10th Aug 2025362 PMAQI
10th Aug 2025363 PMAQI
10th Aug 2025354 PMAQI
10th Aug 2025345 PMAQI
8 PM
12 AM
4 AM
--°C/°C
Day time
Avg. Highest Time
5 AM - 8 PM
63AQI
16 hours / Day
480 hours / Month
Avg. Lowest Time
5 AM - 8 PM
63AQI
16 hours / Day
480 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 5 AM to 8 PM (Avg. 63), while the lowest AQI was between 5 AM to 8 PM (Avg. 63).
Night time
Avg. Highest Time
12 AM - 11 PM
63AQI
8 hours / Day
240 hours / Month
Avg. Lowest Time
12 AM - 11 PM
63AQI
8 hours / Day
240 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 12 AM to 11 PM (Avg. 63), while the lowest AQI was between 12 AM to 11 PM (Avg. 63).
2025 Days Vs Air Quality
Regent, Madison, Wisconsin, United States
2025
72%
98
23%
31
4%
6
0.7%
1
Total number of days with different AQI categories in last 222 days in 2025 (143 days remaining)
Good
98 DaysModerate
31 DaysPoor
6 DaysUnhealthy
1 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 72%
Health Risk Level:
Low
In 2025, 72% of 222 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
Regent, Madison, Wisconsin, 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
30AQI
30AQI
2nd March 2025
48AQI
48AQI
3rd March 2025
20AQI
20AQI
4th March 2025
17AQI
17AQI
5th March 2025
16AQI
16AQI
1st April 2025
21AQI
21AQI
2nd April 2025
28AQI
28AQI
3rd April 2025
20AQI
20AQI
4th April 2025
25AQI
25AQI
5th April 2025
23AQI
23AQI
6th April 2025
24AQI
24AQI
7th April 2025
28AQI
28AQI
8th April 2025
19AQI
19AQI
9th April 2025
39AQI
39AQI
10th April 2025
52AQI
52AQI
11th April 2025
50AQI
50AQI
12th April 2025
56AQI
56AQI
13th April 2025
43AQI
43AQI
14th April 2025
30AQI
30AQI
15th April 2025
15AQI
15AQI
16th April 2025
20AQI
20AQI
17th April 2025
38AQI
38AQI
18th April 2025
48AQI
48AQI
19th April 2025
23AQI
23AQI
20th April 2025
29AQI
29AQI
21st April 2025
16AQI
16AQI
22nd April 2025
28AQI
28AQI
23rd April 2025
37AQI
37AQI
24th April 2025
29AQI
29AQI
25th April 2025
18AQI
18AQI
26th April 2025
19AQI
19AQI
27th April 2025
30AQI
30AQI
28th April 2025
38AQI
38AQI
29th April 2025
26AQI
26AQI
30th April 2025
21AQI
21AQI
1st May 2025
22AQI
22AQI
2nd May 2025
23AQI
23AQI
3rd May 2025
18AQI
18AQI
4th May 2025
24AQI
24AQI
5th May 2025
24AQI
24AQI
6th May 2025
30AQI
30AQI
7th May 2025
33AQI
33AQI
8th May 2025
18AQI
18AQI
9th May 2025
31AQI
31AQI
10th May 2025
36AQI
36AQI
11th May 2025
25AQI
25AQI
12th May 2025
36AQI
36AQI
13th May 2025
42AQI
42AQI
14th May 2025
37AQI
37AQI
15th May 2025
47AQI
47AQI
16th May 2025
35AQI
35AQI
17th May 2025
17AQI
17AQI
18th May 2025
19AQI
19AQI
19th May 2025
16AQI
16AQI
20th May 2025
18AQI
18AQI
21st May 2025
16AQI
16AQI
22nd May 2025
15AQI
15AQI
23rd May 2025
15AQI
15AQI
24th May 2025
26AQI
26AQI
25th May 2025
23AQI
23AQI
26th May 2025
25AQI
25AQI
27th May 2025
26AQI
26AQI
28th May 2025
27AQI
27AQI
29th May 2025
31AQI
31AQI
30th May 2025
38AQI
38AQI
31st May 2025
39AQI
39AQI
1st June 2025
44AQI
44AQI
2nd June 2025
48AQI
48AQI
3rd June 2025
55AQI
55AQI
4th June 2025
109AQI
109AQI
5th June 2025
87AQI
87AQI
6th June 2025
79AQI
79AQI
7th June 2025
76AQI
76AQI
8th June 2025
79AQI
79AQI
9th June 2025
72AQI
72AQI
10th June 2025
65AQI
65AQI
11th June 2025
74AQI
74AQI
12th June 2025
101AQI
101AQI
13th June 2025
53AQI
53AQI
14th June 2025
52AQI
52AQI
15th June 2025
54AQI
54AQI
16th June 2025
53AQI
53AQI
17th June 2025
39AQI
39AQI
18th June 2025
30AQI
30AQI
19th June 2025
33AQI
33AQI
20th June 2025
35AQI
35AQI
21st June 2025
43AQI
43AQI
22nd June 2025
47AQI
47AQI
23rd June 2025
55AQI
55AQI
24th June 2025
27AQI
27AQI
25th June 2025
38AQI
38AQI
26th June 2025
35AQI
35AQI
27th June 2025
22AQI
22AQI
28th June 2025
24AQI
24AQI
29th June 2025
30AQI
30AQI
30th June 2025
26AQI
26AQI
1st July 2025
31AQI
31AQI
2nd July 2025
49AQI
49AQI
3rd July 2025
46AQI
46AQI
4th July 2025
43AQI
43AQI
5th July 2025
59AQI
59AQI
6th July 2025
35AQI
35AQI
7th July 2025
59AQI
59AQI
8th July 2025
64AQI
64AQI
9th July 2025
43AQI
43AQI
10th July 2025
45AQI
45AQI
11th July 2025
36AQI
36AQI
12th July 2025
36AQI
36AQI
13th July 2025
74AQI
74AQI
14th July 2025
71AQI
71AQI
15th July 2025
62AQI
62AQI
16th July 2025
46AQI
46AQI
17th July 2025
21AQI
21AQI
18th July 2025
22AQI
22AQI
19th July 2025
25AQI
25AQI
20th July 2025
30AQI
30AQI
21st July 2025
95AQI
95AQI
22nd July 2025
67AQI
67AQI
23rd July 2025
60AQI
60AQI
24th July 2025
36AQI
36AQI
25th July 2025
31AQI
31AQI
26th July 2025
88AQI
88AQI
27th July 2025
36AQI
36AQI
28th July 2025
29AQI
29AQI
29th July 2025
37AQI
37AQI
30th July 2025
59AQI
59AQI
31st July 2025
153AQI
153AQI
1st August 2025
114AQI
114AQI
2nd August 2025
104AQI
104AQI
3rd August 2025
110AQI
110AQI
4th August 2025
122AQI
122AQI
5th August 2025
80AQI
80AQI
6th August 2025
89AQI
89AQI
7th August 2025
61AQI
61AQI
8th August 2025
54AQI
54AQI
9th August 2025
55AQI
55AQI
26AQI
30AQI
27AQI
53AQI
51AQI
88AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202543AQI
5
28
2
31
15
13
2
19
11
1
5
4
98
31
6
1
Highest AQI recorded in
August88AQI
Lowest AQI recorded in
March26AQI
Most & Least Polluted Years Over the Last 1 Years
Most Polluted Year Recorded
2025(Avg.)
43AQILeast Polluted Year Recorded
2025(Avg.)
43AQIRegent's annual 2025 AQI (43) shows an average percentage change of NaN% (improved AQI) compared to previous years: .
