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
2026
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
4th Aug 2025
122AQILowest AQI recorded on
25th Aug 2025
17AQISame Day Analysis (14th August):
On this day, AQI across the 2 years varied significantly: 2026 ranks 2nd highest AQI at 48 of Good air quality, showing improvement over 2025 on the same day.
Day & Night AQI Trend: 13th Aug - 14th Aug 2026
Regent, Madison, Wisconsin, United States
AQI
Day
Night
.
5 AM13th Aug 2026
8 PM
4 AM14th Aug 2026
Day time
Avg. Highest Time
7PM13th Aug
55AQI
Avg. Lowest Time
7AM13th Aug
40AQI
Night time
Avg. Highest Time
1AM14th Aug
58AQI
Avg. Lowest Time
5AM13th Aug
46AQI
In the last 24 hours,
Regent's AQI reached its highest point of 58 at 1 AM during the Night, while the lowest point, 40, was recorded at 7 AM during the Day between 13th Aug and 14th Aug 2026.
Day & Night AQI Trend : Jul - Aug 2026
Regent, Madison, Wisconsin, United States
JulAug
16th - 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 - 12th12th - 13th13th - 14th14th
Day
Night
16th Jul 20261705 AMAQI
16th Jul 20261766 AMAQI
16th Jul 20261927 AMAQI
16th Jul 20262348 AMAQI
16th Jul 20262899 AMAQI
16th Jul 202637210 AMAQI
16th Jul 202637311 AMAQI
16th Jul 202629512 PMAQI
16th Jul 20262451 PMAQI
16th Jul 20262262 PMAQI
16th Jul 20261863 PMAQI
16th Jul 20261764 PMAQI
16th Jul 20261965 PMAQI
16th Jul 20261426 PMAQI
16th Jul 20261827 PMAQI
16th Jul 20261788 PMAQI
16th Jul 20261689 PMAQI
16th Jul 202617410 PMAQI
16th Jul 202620711 PMAQI
17th Jul 202627312 AMAQI
17th Jul 20263121 AMAQI
17th Jul 20262742 AMAQI
17th Jul 20262553 AMAQI
17th Jul 20262404 AMAQI
28°C22/35°C
17th Jul 20262335 AMAQI
17th Jul 20262226 AMAQI
17th Jul 20262347 AMAQI
17th Jul 20262328 AMAQI
17th Jul 20262669 AMAQI
17th Jul 202627710 AMAQI
17th Jul 202623111 AMAQI
17th Jul 202621112 PMAQI
17th Jul 20261821 PMAQI
17th Jul 20261642 PMAQI
17th Jul 20261533 PMAQI
17th Jul 20261104 PMAQI
17th Jul 2026785 PMAQI
17th Jul 2026656 PMAQI
17th Jul 2026537 PMAQI
17th Jul 2026468 PMAQI
17th Jul 2026389 PMAQI
17th Jul 20265110 PMAQI
17th Jul 20265111 PMAQI
18th Jul 20264212 AMAQI
18th Jul 2026381 AMAQI
18th Jul 2026422 AMAQI
18th Jul 2026443 AMAQI
18th Jul 2026444 AMAQI
28°C21/35°C
18th Jul 2026405 AMAQI
18th Jul 2026426 AMAQI
18th Jul 2026337 AMAQI
18th Jul 2026388 AMAQI
18th Jul 2026349 AMAQI
18th Jul 20263110 AMAQI
18th Jul 20264811 AMAQI
18th Jul 20264812 PMAQI
18th Jul 2026441 PMAQI
18th Jul 2026532 PMAQI
18th Jul 2026663 PMAQI
18th Jul 2026784 PMAQI
18th Jul 2026805 PMAQI
18th Jul 2026766 PMAQI
18th Jul 2026717 PMAQI
18th Jul 2026708 PMAQI
18th Jul 2026709 PMAQI
18th Jul 20267410 PMAQI
18th Jul 202610011 PMAQI
19th Jul 202615412 AMAQI
19th Jul 20261641 AMAQI
19th Jul 20261702 AMAQI
19th Jul 20261763 AMAQI
19th Jul 20261844 AMAQI
28°C23/33°C
19th Jul 20261945 AMAQI
19th Jul 20262096 AMAQI
19th Jul 20262167 AMAQI
19th Jul 20262158 AMAQI
19th Jul 20262099 AMAQI
19th Jul 202619610 AMAQI
19th Jul 202618811 AMAQI
19th Jul 202618612 PMAQI
19th Jul 20261761 PMAQI
19th Jul 20261682 PMAQI
19th Jul 20261603 PMAQI
19th Jul 20261594 PMAQI
19th Jul 20261545 PMAQI
19th Jul 20261486 PMAQI
19th Jul 20261467 PMAQI
19th Jul 20261388 PMAQI
19th Jul 20261249 PMAQI
19th Jul 202611810 PMAQI
19th Jul 202612011 PMAQI
20th Jul 202612012 AMAQI
20th Jul 20261121 AMAQI
20th Jul 20261102 AMAQI
20th Jul 20261103 AMAQI
20th Jul 20261124 AMAQI
24°C18/31°C
20th Jul 20261085 AMAQI
20th Jul 20261086 AMAQI
20th Jul 20261067 AMAQI
20th Jul 20261058 AMAQI
20th Jul 20261069 AMAQI
20th Jul 202611010 AMAQI
20th Jul 202610811 AMAQI
20th Jul 202611212 PMAQI
20th Jul 20261101 PMAQI
20th Jul 20261122 PMAQI
20th Jul 20261043 PMAQI
20th Jul 20261004 PMAQI
20th Jul 2026735 PMAQI
20th Jul 2026706 PMAQI
20th Jul 2026627 PMAQI
20th Jul 2026538 PMAQI
20th Jul 2026499 PMAQI
20th Jul 20265011 PMAQI
21st Jul 20263812 AMAQI
21st Jul 2026381 AMAQI
21st Jul 2026292 AMAQI
21st Jul 2026363 AMAQI
21st Jul 2026334 AMAQI
24°C18/30°C
21st Jul 2026405 AMAQI
21st Jul 2026426 AMAQI
21st Jul 2026527 AMAQI
21st Jul 2026448 AMAQI
21st Jul 2026499 AMAQI
21st Jul 20265210 AMAQI
21st Jul 20265011 AMAQI
21st Jul 20264212 PMAQI
21st Jul 2026501 PMAQI
21st Jul 2026422 PMAQI
21st Jul 2026333 PMAQI
21st Jul 2026404 PMAQI
21st Jul 2026325 PMAQI
21st Jul 2026326 PMAQI
21st Jul 2026217 PMAQI
21st Jul 2026258 PMAQI
21st Jul 2026319 PMAQI
21st Jul 20263110 PMAQI
21st Jul 20263411 PMAQI
22nd Jul 20264412 AMAQI
22nd Jul 2026361 AMAQI
22nd Jul 2026192 AMAQI
22nd Jul 2026173 AMAQI
22nd Jul 2026174 AMAQI
25°C20/29°C
22nd Jul 2026175 AMAQI
22nd Jul 2026176 AMAQI
22nd Jul 2026177 AMAQI
22nd Jul 2026198 AMAQI
22nd Jul 2026219 AMAQI
22nd Jul 20262510 AMAQI
22nd Jul 20262311 AMAQI
22nd Jul 20262512 PMAQI
22nd Jul 2026251 PMAQI
22nd Jul 2026122 PMAQI
22nd Jul 2026123 PMAQI
22nd Jul 2026254 PMAQI
22nd Jul 2026255 PMAQI
22nd Jul 2026256 PMAQI
22nd Jul 2026257 PMAQI
22nd Jul 2026828 PMAQI
22nd Jul 20261049 PMAQI
22nd Jul 20263010 PMAQI
22nd Jul 20262511 PMAQI
23rd Jul 20262512 AMAQI
23rd Jul 2026701 AMAQI
23rd Jul 2026302 AMAQI
23rd Jul 2026473 AMAQI
23rd Jul 2026294 AMAQI
20°C14/26°C
23rd Jul 2026215 AMAQI
23rd Jul 2026256 AMAQI
23rd Jul 2026257 AMAQI
23rd Jul 2026238 AMAQI
23rd Jul 2026219 AMAQI
23rd Jul 20262910 AMAQI
23rd Jul 20263611 AMAQI
23rd Jul 20264212 PMAQI
23rd Jul 2026271 PMAQI
23rd Jul 2026332 PMAQI
23rd Jul 2026323 PMAQI
23rd Jul 2026294 PMAQI
23rd Jul 2026235 PMAQI
23rd Jul 2026236 PMAQI
23rd Jul 2026367 PMAQI
23rd Jul 2026238 PMAQI
23rd Jul 2026259 PMAQI
23rd Jul 20264010 PMAQI
23rd Jul 20264011 PMAQI
24th Jul 20262912 AMAQI
24th Jul 2026231 AMAQI
24th Jul 2026272 AMAQI
24th Jul 2026293 AMAQI
24th Jul 2026404 AMAQI
21°C14/29°C
24th Jul 2026335 AMAQI
24th Jul 2026346 AMAQI
24th Jul 2026387 AMAQI
24th Jul 2026428 AMAQI
24th Jul 2026349 AMAQI
24th Jul 20263410 AMAQI
24th Jul 20262711 AMAQI
24th Jul 20262512 PMAQI
24th Jul 2026251 PMAQI
24th Jul 2026272 PMAQI
24th Jul 2026293 PMAQI
24th Jul 2026274 PMAQI
24th Jul 2026315 PMAQI
24th Jul 2026276 PMAQI
24th Jul 2026277 PMAQI
24th Jul 2026258 PMAQI
24th Jul 2026259 PMAQI
24th Jul 20262710 PMAQI
24th Jul 20263411 PMAQI
25th Jul 20262912 AMAQI
25th Jul 2026311 AMAQI
25th Jul 2026332 AMAQI
25th Jul 2026333 AMAQI
25th Jul 2026364 AMAQI
22°C15/30°C
25th Jul 2026385 AMAQI
25th Jul 2026446 AMAQI
25th Jul 2026387 AMAQI
25th Jul 2026448 AMAQI
25th Jul 2026469 AMAQI
25th Jul 20264910 AMAQI
25th Jul 20264211 AMAQI
25th Jul 20265012 PMAQI
25th Jul 2026461 PMAQI
25th Jul 2026482 PMAQI
25th Jul 2026463 PMAQI
25th Jul 2026384 PMAQI
25th Jul 2026385 PMAQI
25th Jul 2026386 PMAQI
25th Jul 2026387 PMAQI
25th Jul 2026408 PMAQI
25th Jul 2026469 PMAQI
25th Jul 20264410 PMAQI
25th Jul 20265111 PMAQI
26th Jul 20264412 AMAQI
26th Jul 2026511 AMAQI
26th Jul 2026512 AMAQI
26th Jul 2026423 AMAQI
26th Jul 2026384 AMAQI
23°C17/31°C
26th Jul 2026445 AMAQI
26th Jul 2026546 AMAQI
26th Jul 2026507 AMAQI
26th Jul 2026488 AMAQI
26th Jul 2026429 AMAQI
26th Jul 20264010 AMAQI
26th Jul 20264411 AMAQI
26th Jul 20264612 PMAQI
26th Jul 2026561 PMAQI
26th Jul 2026672 PMAQI
26th Jul 2026673 PMAQI
26th Jul 2026644 PMAQI
26th Jul 2026695 PMAQI
26th Jul 2026666 PMAQI
26th Jul 2026697 PMAQI
26th Jul 2026678 PMAQI
26th Jul 2026679 PMAQI
26th Jul 20266810 PMAQI
26th Jul 20267011 PMAQI
27th Jul 20266412 AMAQI
27th Jul 2026621 AMAQI
27th Jul 2026692 AMAQI
27th Jul 2026813 AMAQI
27th Jul 2026744 AMAQI
29°C23/36°C
27th Jul 2026685 AMAQI
27th Jul 2026696 AMAQI
27th Jul 2026767 AMAQI
27th Jul 2026688 AMAQI
27th Jul 2026609 AMAQI
27th Jul 20264810 AMAQI
27th Jul 20265111 AMAQI
27th Jul 20265012 PMAQI
27th Jul 2026441 PMAQI
27th Jul 2026482 PMAQI
27th Jul 2026503 PMAQI
27th Jul 2026484 PMAQI
27th Jul 2026505 PMAQI
27th Jul 2026526 PMAQI
27th Jul 2026527 PMAQI
27th Jul 2026508 PMAQI
27th Jul 2026449 PMAQI
27th Jul 20264410 PMAQI
27th Jul 20264411 PMAQI
28th Jul 20265412 AMAQI
28th Jul 2026521 AMAQI
28th Jul 2026442 AMAQI
28th Jul 2026513 AMAQI
28th Jul 2026464 AMAQI
31°C24/38°C
28th Jul 2026485 AMAQI
28th Jul 2026466 AMAQI
28th Jul 2026487 AMAQI
28th Jul 2026548 AMAQI
28th Jul 2026549 AMAQI
28th Jul 20265510 AMAQI
28th Jul 20265511 AMAQI
28th Jul 20265212 PMAQI
28th Jul 2026481 PMAQI
28th Jul 2026442 PMAQI
28th Jul 2026423 PMAQI
28th Jul 2026474 PMAQI
28th Jul 2026425 PMAQI
28th Jul 2026366 PMAQI
28th Jul 2026387 PMAQI
28th Jul 2026318 PMAQI
28th Jul 2026279 PMAQI
28th Jul 20262510 PMAQI
28th Jul 20262711 PMAQI
29th Jul 20262512 AMAQI
29th Jul 2026271 AMAQI
29th Jul 2026292 AMAQI
29th Jul 2026253 AMAQI
29th Jul 2026234 AMAQI
25°C21/29°C
29th Jul 2026275 AMAQI
29th Jul 2026256 AMAQI
29th Jul 2026257 AMAQI
29th Jul 2026218 AMAQI
29th Jul 2026299 AMAQI
29th Jul 20262510 AMAQI
29th Jul 20263211 AMAQI
29th Jul 20262712 PMAQI
29th Jul 2026251 PMAQI
29th Jul 2026292 PMAQI
29th Jul 2026273 PMAQI
29th Jul 2026344 PMAQI
29th Jul 2026365 PMAQI
29th Jul 2026316 PMAQI
29th Jul 2026297 PMAQI
29th Jul 2026318 PMAQI
29th Jul 2026349 PMAQI
29th Jul 20262710 PMAQI
29th Jul 20262911 PMAQI
30th Jul 20262912 AMAQI
30th Jul 2026291 AMAQI
30th Jul 2026332 AMAQI
30th Jul 2026313 AMAQI
30th Jul 2026314 AMAQI
24°C17/31°C
30th Jul 2026315 AMAQI
30th Jul 2026366 AMAQI
30th Jul 2026407 AMAQI
30th Jul 2026318 AMAQI
30th Jul 2026299 AMAQI
30th Jul 20262110 AMAQI
30th Jul 20262311 AMAQI
30th Jul 20262912 PMAQI
30th Jul 2026271 PMAQI
30th Jul 2026292 PMAQI
30th Jul 2026293 PMAQI
30th Jul 2026334 PMAQI
30th Jul 2026335 PMAQI
30th Jul 2026316 PMAQI
30th Jul 2026367 PMAQI
30th Jul 2026328 PMAQI
30th Jul 2026389 PMAQI
30th Jul 20263810 PMAQI
30th Jul 20264011 PMAQI
31st Jul 20263812 AMAQI
31st Jul 2026361 AMAQI
31st Jul 2026362 AMAQI
31st Jul 2026383 AMAQI
31st Jul 2026364 AMAQI
26°C17/34°C
31st Jul 2026405 AMAQI
31st Jul 2026366 AMAQI
31st Jul 2026387 AMAQI
31st Jul 2026408 AMAQI
31st Jul 2026339 AMAQI
31st Jul 20263610 AMAQI
31st Jul 20264011 AMAQI
31st Jul 20264212 PMAQI
31st Jul 2026461 PMAQI
31st Jul 2026362 PMAQI
31st Jul 2026233 PMAQI
31st Jul 2026344 PMAQI
31st Jul 2026335 PMAQI
31st Jul 2026386 PMAQI
31st Jul 2026407 PMAQI
31st Jul 2026508 PMAQI
31st Jul 2026489 PMAQI
31st Jul 20265310 PMAQI
31st Jul 20265711 PMAQI
1st Aug 20265412 AMAQI
1st Aug 2026491 AMAQI
1st Aug 2026462 AMAQI
1st Aug 2026333 AMAQI
1st Aug 2026404 AMAQI
21°C19/25°C
1st Aug 2026275 AMAQI
1st Aug 2026426 AMAQI
1st Aug 2026447 AMAQI
1st Aug 2026388 AMAQI
1st Aug 2026369 AMAQI
1st Aug 20264610 AMAQI
1st Aug 20264611 AMAQI
1st Aug 20264212 PMAQI
1st Aug 2026401 PMAQI
1st Aug 2026462 PMAQI
1st Aug 2026503 PMAQI
1st Aug 2026554 PMAQI
1st Aug 2026405 PMAQI
1st Aug 2026406 PMAQI
1st Aug 2026407 PMAQI
1st Aug 2026478 PMAQI
1st Aug 2026429 PMAQI
1st Aug 20264410 PMAQI
1st Aug 20264611 PMAQI
2nd Aug 20264412 AMAQI
2nd Aug 2026401 AMAQI
2nd Aug 2026522 AMAQI
2nd Aug 2026513 AMAQI
2nd Aug 2026484 AMAQI
21°C18/25°C
2nd Aug 2026445 AMAQI
2nd Aug 2026506 AMAQI
2nd Aug 2026447 AMAQI
2nd Aug 2026448 AMAQI
2nd Aug 2026429 AMAQI
2nd Aug 20264210 AMAQI
2nd Aug 20264211 AMAQI
2nd Aug 20264412 PMAQI
2nd Aug 2026441 PMAQI
2nd Aug 2026482 PMAQI
2nd Aug 2026443 PMAQI
2nd Aug 2026444 PMAQI
2nd Aug 2026505 PMAQI
2nd Aug 2026446 PMAQI
2nd Aug 2026387 PMAQI
2nd Aug 2026368 PMAQI
2nd Aug 2026389 PMAQI
2nd Aug 20264210 PMAQI
2nd Aug 20263611 PMAQI
3rd Aug 20264012 AMAQI
3rd Aug 2026471 AMAQI
3rd Aug 2026442 AMAQI
3rd Aug 2026443 AMAQI
3rd Aug 2026424 AMAQI
22°C19/27°C
3rd Aug 2026445 AMAQI
3rd Aug 2026346 AMAQI
3rd Aug 2026347 AMAQI
3rd Aug 2026368 AMAQI
3rd Aug 2026299 AMAQI
3rd Aug 20263110 AMAQI
3rd Aug 20263211 AMAQI
3rd Aug 20263412 PMAQI
3rd Aug 2026311 PMAQI
3rd Aug 2026292 PMAQI
3rd Aug 2026273 PMAQI
3rd Aug 2026314 PMAQI
3rd Aug 2026335 PMAQI
3rd Aug 2026366 PMAQI
3rd Aug 2026367 PMAQI
3rd Aug 2026368 PMAQI
3rd Aug 2026369 PMAQI
3rd Aug 20263810 PMAQI
3rd Aug 20264011 PMAQI
4th Aug 20264212 AMAQI
4th Aug 2026401 AMAQI
4th Aug 2026422 AMAQI
4th Aug 2026363 AMAQI
4th Aug 2026464 AMAQI
22°C16/29°C
4th Aug 2026465 AMAQI
4th Aug 2026496 AMAQI
4th Aug 2026537 AMAQI
4th Aug 2026518 AMAQI
4th Aug 2026389 AMAQI
4th Aug 20264210 AMAQI
4th Aug 20264611 AMAQI
4th Aug 20264912 PMAQI
4th Aug 2026421 PMAQI
4th Aug 2026442 PMAQI
4th Aug 2026463 PMAQI
4th Aug 2026504 PMAQI
4th Aug 2026445 PMAQI
4th Aug 2026466 PMAQI
4th Aug 2026517 PMAQI
4th Aug 2026468 PMAQI
4th Aug 2026429 PMAQI
4th Aug 20264610 PMAQI
4th Aug 20264611 PMAQI
5th Aug 20264212 AMAQI
5th Aug 2026461 AMAQI
5th Aug 2026492 AMAQI
5th Aug 2026513 AMAQI
5th Aug 2026554 AMAQI
24°C18/31°C
5th Aug 2026625 AMAQI
5th Aug 2026656 AMAQI
5th Aug 2026627 AMAQI
5th Aug 2026648 AMAQI
5th Aug 2026679 AMAQI
5th Aug 20266510 AMAQI
5th Aug 20266211 AMAQI
5th Aug 20265912 PMAQI
5th Aug 2026601 PMAQI
5th Aug 2026642 PMAQI
5th Aug 2026643 PMAQI
5th Aug 2026654 PMAQI
5th Aug 2026625 PMAQI
5th Aug 2026606 PMAQI
5th Aug 2026637 PMAQI
5th Aug 2026598 PMAQI
5th Aug 2026599 PMAQI
5th Aug 20266210 PMAQI
5th Aug 20265811 PMAQI
6th Aug 20265712 AMAQI
6th Aug 2026571 AMAQI
6th Aug 2026552 AMAQI
6th Aug 2026533 AMAQI
6th Aug 2026574 AMAQI
22°C19/24°C
6th Aug 2026555 AMAQI
6th Aug 2026526 AMAQI
6th Aug 2026527 AMAQI
6th Aug 2026488 AMAQI
6th Aug 2026469 AMAQI
6th Aug 20264210 AMAQI
6th Aug 20264011 AMAQI
6th Aug 20264412 PMAQI
6th Aug 2026541 PMAQI
6th Aug 2026532 PMAQI
6th Aug 2026463 PMAQI
6th Aug 2026444 PMAQI
6th Aug 2026445 PMAQI
6th Aug 2026466 PMAQI
6th Aug 2026467 PMAQI
6th Aug 2026488 PMAQI
6th Aug 2026449 PMAQI
6th Aug 20264410 PMAQI
6th Aug 20264711 PMAQI
7th Aug 20264912 AMAQI
7th Aug 2026501 AMAQI
7th Aug 2026482 AMAQI
7th Aug 2026443 AMAQI
7th Aug 2026464 AMAQI
22°C17/29°C
7th Aug 2026425 AMAQI
7th Aug 2026386 AMAQI
7th Aug 2026387 AMAQI
7th Aug 2026388 AMAQI
7th Aug 2026529 AMAQI
7th Aug 20264410 AMAQI
7th Aug 20264411 AMAQI
7th Aug 20264412 PMAQI
7th Aug 2026361 PMAQI
7th Aug 2026332 PMAQI
7th Aug 2026383 PMAQI
7th Aug 2026404 PMAQI
7th Aug 2026335 PMAQI
7th Aug 2026406 PMAQI
7th Aug 2026467 PMAQI
7th Aug 2026538 PMAQI
7th Aug 2026519 PMAQI
7th Aug 20265210 PMAQI
7th Aug 20264611 PMAQI
8th Aug 20264012 AMAQI
8th Aug 2026381 AMAQI
8th Aug 2026402 AMAQI
8th Aug 2026403 AMAQI
8th Aug 2026404 AMAQI
25°C21/31°C
8th Aug 2026385 AMAQI
8th Aug 2026386 AMAQI
8th Aug 2026407 AMAQI
8th Aug 2026428 AMAQI
8th Aug 2026349 AMAQI
8th Aug 20263210 AMAQI
8th Aug 20264211 AMAQI
8th Aug 20263612 PMAQI
8th Aug 2026271 PMAQI
8th Aug 2026462 PMAQI
8th Aug 2026333 PMAQI
8th Aug 2026504 PMAQI
8th Aug 2026335 PMAQI
8th Aug 2026316 PMAQI
8th Aug 2026367 PMAQI
8th Aug 2026298 PMAQI
8th Aug 2026389 PMAQI
8th Aug 20264010 PMAQI
8th Aug 20262311 PMAQI
9th Aug 20262512 AMAQI
9th Aug 2026311 AMAQI
9th Aug 2026252 AMAQI
9th Aug 2026253 AMAQI
9th Aug 2026254 AMAQI
23°C20/30°C
9th Aug 2026255 AMAQI
9th Aug 2026296 AMAQI
9th Aug 2026387 AMAQI
9th Aug 2026448 AMAQI
9th Aug 2026369 AMAQI
9th Aug 20264610 AMAQI
9th Aug 20263611 AMAQI
9th Aug 20263412 PMAQI
9th Aug 2026401 PMAQI
9th Aug 2026292 PMAQI
9th Aug 2026333 PMAQI
9th Aug 2026364 PMAQI
9th Aug 2026385 PMAQI
9th Aug 2026446 PMAQI
9th Aug 2026277 PMAQI
9th Aug 2026558 PMAQI
9th Aug 2026429 PMAQI
9th Aug 20262710 PMAQI
9th Aug 20262911 PMAQI
10th Aug 20264212 AMAQI
10th Aug 2026251 AMAQI
10th Aug 2026252 AMAQI
10th Aug 2026253 AMAQI
10th Aug 2026314 AMAQI
22°C17/29°C
10th Aug 2026425 AMAQI
10th Aug 2026546 AMAQI
10th Aug 2026487 AMAQI
10th Aug 2026428 AMAQI
10th Aug 2026539 AMAQI
10th Aug 20264610 AMAQI
10th Aug 20263611 AMAQI
10th Aug 20264012 PMAQI
10th Aug 2026401 PMAQI
10th Aug 2026462 PMAQI
10th Aug 2026443 PMAQI
10th Aug 2026464 PMAQI
10th Aug 2026465 PMAQI
10th Aug 2026516 PMAQI
10th Aug 2026527 PMAQI
10th Aug 2026408 PMAQI
10th Aug 2026409 PMAQI
10th Aug 20264010 PMAQI
10th Aug 20264211 PMAQI
11th Aug 20264012 AMAQI
11th Aug 2026421 AMAQI
11th Aug 2026422 AMAQI
11th Aug 2026403 AMAQI
11th Aug 2026404 AMAQI
24°C19/30°C
11th Aug 2026405 AMAQI
11th Aug 2026426 AMAQI
11th Aug 2026427 AMAQI
11th Aug 2026408 AMAQI
11th Aug 2026429 AMAQI
11th Aug 20264210 AMAQI
11th Aug 20264011 AMAQI
11th Aug 20264412 PMAQI
11th Aug 2026251 PMAQI
11th Aug 2026362 PMAQI
11th Aug 2026313 PMAQI
11th Aug 2026274 PMAQI
11th Aug 2026235 PMAQI
11th Aug 2026276 PMAQI
11th Aug 2026297 PMAQI
11th Aug 2026298 PMAQI
11th Aug 2026319 PMAQI
11th Aug 20262910 PMAQI
11th Aug 20263111 PMAQI
12th Aug 20262912 AMAQI
12th Aug 2026421 AMAQI
12th Aug 2026362 AMAQI
12th Aug 2026383 AMAQI
12th Aug 2026384 AMAQI
25°C22/30°C
12th Aug 2026365 AMAQI
12th Aug 2026366 AMAQI
12th Aug 2026407 AMAQI
12th Aug 2026408 AMAQI
12th Aug 2026509 AMAQI
12th Aug 20264210 AMAQI
12th Aug 20264011 AMAQI
12th Aug 20264012 PMAQI
12th Aug 2026401 PMAQI
12th Aug 2026362 PMAQI
12th Aug 2026383 PMAQI
12th Aug 2026424 PMAQI
12th Aug 2026405 PMAQI
12th Aug 2026446 PMAQI
12th Aug 2026467 PMAQI
12th Aug 2026498 PMAQI
12th Aug 2026489 PMAQI
12th Aug 20264610 PMAQI
12th Aug 20264811 PMAQI
13th Aug 20264812 AMAQI
13th Aug 2026441 AMAQI
13th Aug 2026462 AMAQI
13th Aug 2026423 AMAQI
13th Aug 2026424 AMAQI
24°C20/30°C
13th Aug 2026465 AMAQI
13th Aug 2026486 AMAQI
13th Aug 2026407 AMAQI
13th Aug 2026448 AMAQI
13th Aug 2026429 AMAQI
13th Aug 20265110 AMAQI
13th Aug 20264911 AMAQI
13th Aug 20265012 PMAQI
13th Aug 2026511 PMAQI
13th Aug 2026482 PMAQI
13th Aug 2026483 PMAQI
13th Aug 2026484 PMAQI
13th Aug 2026515 PMAQI
13th Aug 2026536 PMAQI
13th Aug 2026557 PMAQI
13th Aug 2026558 PMAQI
13th Aug 2026579 PMAQI
13th Aug 20265510 PMAQI
13th Aug 20265511 PMAQI
14th Aug 20265612 AMAQI
14th Aug 2026581 AMAQI
14th Aug 2026582 AMAQI
14th Aug 2026583 AMAQI
14th Aug 2026574 AMAQI
23°C20/27°C
14th Aug 2026565 AMAQI
5 AM14th Aug 2026596 AMAQI
14th Aug 2026567 AMAQI
14th Aug 2026518 AMAQI
14th Aug 2026509 AMAQI
14th Aug 20265110 AMAQI
14th Aug 20264811 AMAQI
14th Aug 20264212 PMAQI
12 PM14th Aug 2026511 PMAQI
14th Aug 2026492 PMAQI
14th Aug 2026493 PMAQI
14th Aug 2026524 PMAQI
14th Aug 2026505 PMAQI
14th Aug 2026486 PMAQI
14th Aug 2026517 PMAQI
14th Aug 2026388 PMAQI
8 PM14th Aug 2026279 PMAQI
14th Aug 20262510 PMAQI
14th Aug 20262311 PMAQI
12 AM
4 AM
22°C19/27°C
Day time
Avg. Highest Time
9 AM - 11 AM
66AQI
3 hours / Day
90 hours / Month
Avg. Lowest Time
6 PM - 8 PM
51AQI
3 hours / Day
90 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 9 AM to 11 AM (Avg. 66), while the lowest AQI was between 6 PM to 8 PM (Avg. 51).
Night time
Avg. Highest Time
1 AM
61AQI
1 hours / Day
30 hours / Month
Avg. Lowest Time
10 PM
49AQI
1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 1 AM to 1 AM (Avg. 61), while the lowest AQI was between 10 PM to 10 PM (Avg. 49).
2026 Days Vs Air Quality
Regent, Madison, Wisconsin, United States
2026
79%
177
19%
43
0.9%
2
0.4%
1
Total number of days with different AQI categories in last 226 days in 2026 (139 days remaining)
Good
177 DaysModerate
43 DaysPoor
0 DaysUnhealthy
2 DaysSevere
1 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 79%
Health Risk Level:
Low
In 2026, 79% of 226 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 2026
AQI (US)
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.
-1th undefined 2026
-1th undefined 2026
-1th undefined 2026
-1th undefined 2026
1st January 2026
9AQI (US)
9AQI (US)
2nd January 2026
21AQI (US)
21AQI (US)
3rd January 2026
20AQI (US)
20AQI (US)
4th January 2026
46AQI (US)
46AQI (US)
5th January 2026
73AQI (US)
73AQI (US)
6th January 2026
93AQI (US)
93AQI (US)
7th January 2026
57AQI (US)
57AQI (US)
8th January 2026
56AQI (US)
56AQI (US)
9th January 2026
30AQI (US)
30AQI (US)
10th January 2026
41AQI (US)
41AQI (US)
11th January 2026
22AQI (US)
22AQI (US)
12th January 2026
23AQI (US)
23AQI (US)
13th January 2026
22AQI (US)
22AQI (US)
14th January 2026
10AQI (US)
10AQI (US)
15th January 2026
10AQI (US)
10AQI (US)
16th January 2026
19AQI (US)
19AQI (US)
17th January 2026
16AQI (US)
16AQI (US)
18th January 2026
14AQI (US)
14AQI (US)
19th January 2026
14AQI (US)
14AQI (US)
20th January 2026
21AQI (US)
21AQI (US)
21st January 2026
32AQI (US)
32AQI (US)
22nd January 2026
42AQI (US)
42AQI (US)
23rd January 2026
53AQI (US)
53AQI (US)
24th January 2026
38AQI (US)
38AQI (US)
25th January 2026
40AQI (US)
40AQI (US)
26th January 2026
37AQI (US)
37AQI (US)
27th January 2026
30AQI (US)
30AQI (US)
28th January 2026
30AQI (US)
30AQI (US)
29th January 2026
42AQI (US)
42AQI (US)
30th January 2026
55AQI (US)
55AQI (US)
31st January 2026
35AQI (US)
35AQI (US)
1st February 2026
34AQI (US)
34AQI (US)
2nd February 2026
46AQI (US)
46AQI (US)
3rd February 2026
39AQI (US)
39AQI (US)
4th February 2026
30AQI (US)
30AQI (US)
5th February 2026
56AQI (US)
56AQI (US)
6th February 2026
50AQI (US)
50AQI (US)
7th February 2026
35AQI (US)
35AQI (US)
8th February 2026
44AQI (US)
44AQI (US)
9th February 2026
66AQI (US)
66AQI (US)
10th February 2026
51AQI (US)
51AQI (US)
11th February 2026
31AQI (US)
31AQI (US)
12th February 2026
33AQI (US)
33AQI (US)
13th February 2026
71AQI (US)
71AQI (US)
14th February 2026
75AQI (US)
75AQI (US)
15th February 2026
63AQI (US)
63AQI (US)
16th February 2026
46AQI (US)
46AQI (US)
17th February 2026
69AQI (US)
69AQI (US)
18th February 2026
51AQI (US)
51AQI (US)
19th February 2026
31AQI (US)
31AQI (US)
20th February 2026
37AQI (US)
37AQI (US)
21st February 2026
33AQI (US)
33AQI (US)
22nd February 2026
37AQI (US)
37AQI (US)
23rd February 2026
36AQI (US)
36AQI (US)
24th February 2026
39AQI (US)
39AQI (US)
25th February 2026
35AQI (US)
35AQI (US)
26th February 2026
39AQI (US)
39AQI (US)
27th February 2026
48AQI (US)
48AQI (US)
28th February 2026
34AQI (US)
34AQI (US)
1st March 2026
30AQI (US)
30AQI (US)
2nd March 2026
41AQI (US)
41AQI (US)
3rd March 2026
55AQI (US)
55AQI (US)
4th March 2026
80AQI (US)
80AQI (US)
5th March 2026
84AQI (US)
84AQI (US)
6th March 2026
61AQI (US)
61AQI (US)
7th March 2026
38AQI (US)
38AQI (US)
8th March 2026
39AQI (US)
39AQI (US)
9th March 2026
33AQI (US)
33AQI (US)
10th March 2026
36AQI (US)
36AQI (US)
11th March 2026
40AQI (US)
40AQI (US)
12th March 2026
38AQI (US)
38AQI (US)
13th March 2026
37AQI (US)
37AQI (US)
14th March 2026
36AQI (US)
36AQI (US)
15th March 2026
30AQI (US)
30AQI (US)
16th March 2026
36AQI (US)
36AQI (US)
17th March 2026
34AQI (US)
34AQI (US)
18th March 2026
44AQI (US)
44AQI (US)
19th March 2026
79AQI (US)
79AQI (US)
20th March 2026
56AQI (US)
56AQI (US)
21st March 2026
67AQI (US)
67AQI (US)
22nd March 2026
38AQI (US)
38AQI (US)
23rd March 2026
39AQI (US)
39AQI (US)
24th March 2026
34AQI (US)
34AQI (US)
25th March 2026
47AQI (US)
47AQI (US)
26th March 2026
50AQI (US)
50AQI (US)
27th March 2026
29AQI (US)
29AQI (US)
28th March 2026
29AQI (US)
29AQI (US)
29th March 2026
37AQI (US)
37AQI (US)
30th March 2026
53AQI (US)
53AQI (US)
31st March 2026
44AQI (US)
44AQI (US)
1st April 2026
31AQI (US)
31AQI (US)
2nd April 2026
29AQI (US)
29AQI (US)
3rd April 2026
45AQI (US)
45AQI (US)
4th April 2026
32AQI (US)
32AQI (US)
5th April 2026
30AQI (US)
30AQI (US)
6th April 2026
32AQI (US)
32AQI (US)
7th April 2026
26AQI (US)
26AQI (US)
8th April 2026
25AQI (US)
25AQI (US)
9th April 2026
31AQI (US)
31AQI (US)
10th April 2026
40AQI (US)
40AQI (US)
11th April 2026
62AQI (US)
62AQI (US)
12th April 2026
51AQI (US)
51AQI (US)
13th April 2026
37AQI (US)
37AQI (US)
14th April 2026
31AQI (US)
31AQI (US)
15th April 2026
28AQI (US)
28AQI (US)
16th April 2026
32AQI (US)
32AQI (US)
17th April 2026
18th April 2026
27AQI (US)
27AQI (US)
19th April 2026
33AQI (US)
33AQI (US)
20th April 2026
27AQI (US)
27AQI (US)
21st April 2026
27AQI (US)
27AQI (US)
22nd April 2026
23rd April 2026
33AQI (US)
33AQI (US)
24th April 2026
21AQI (US)
21AQI (US)
25th April 2026
27AQI (US)
27AQI (US)
26th April 2026
40AQI (US)
40AQI (US)
27th April 2026
47AQI (US)
47AQI (US)
28th April 2026
24AQI (US)
24AQI (US)
29th April 2026
26AQI (US)
26AQI (US)
30th April 2026
32AQI (US)
32AQI (US)
1st May 2026
35AQI (US)
35AQI (US)
2nd May 2026
29AQI (US)
29AQI (US)
3rd May 2026
27AQI (US)
27AQI (US)
4th May 2026
35AQI (US)
35AQI (US)
5th May 2026
30AQI (US)
30AQI (US)
6th May 2026
18AQI (US)
18AQI (US)
7th May 2026
22AQI (US)
22AQI (US)
8th May 2026
31AQI (US)
31AQI (US)
9th May 2026
10th May 2026
27AQI (US)
27AQI (US)
11th May 2026
23AQI (US)
23AQI (US)
12th May 2026
24AQI (US)
24AQI (US)
13th May 2026
26AQI (US)
26AQI (US)
14th May 2026
16AQI (US)
16AQI (US)
15th May 2026
24AQI (US)
24AQI (US)
16th May 2026
30AQI (US)
30AQI (US)
17th May 2026
62AQI (US)
62AQI (US)
18th May 2026
39AQI (US)
39AQI (US)
19th May 2026
40AQI (US)
40AQI (US)
20th May 2026
48AQI (US)
48AQI (US)
21st May 2026
42AQI (US)
42AQI (US)
22nd May 2026
33AQI (US)
33AQI (US)
23rd May 2026
33AQI (US)
33AQI (US)
24th May 2026
48AQI (US)
48AQI (US)
25th May 2026
42AQI (US)
42AQI (US)
26th May 2026
25AQI (US)
25AQI (US)
27th May 2026
18AQI (US)
18AQI (US)
28th May 2026
13AQI (US)
13AQI (US)
29th May 2026
16AQI (US)
16AQI (US)
30th May 2026
26AQI (US)
26AQI (US)
31st May 2026
21AQI (US)
21AQI (US)
1st June 2026
21AQI (US)
21AQI (US)
2nd June 2026
12AQI (US)
12AQI (US)
3rd June 2026
15AQI (US)
15AQI (US)
4th June 2026
22AQI (US)
22AQI (US)
5th June 2026
48AQI (US)
48AQI (US)
6th June 2026
28AQI (US)
28AQI (US)
7th June 2026
37AQI (US)
37AQI (US)
8th June 2026
44AQI (US)
44AQI (US)
9th June 2026
30AQI (US)
30AQI (US)
10th June 2026
28AQI (US)
28AQI (US)
11th June 2026
22AQI (US)
22AQI (US)
12th June 2026
15AQI (US)
15AQI (US)
13th June 2026
11AQI (US)
11AQI (US)
14th June 2026
20AQI (US)
20AQI (US)
15th June 2026
20AQI (US)
20AQI (US)
16th June 2026
17AQI (US)
17AQI (US)
17th June 2026
24AQI (US)
24AQI (US)
18th June 2026
23AQI (US)
23AQI (US)
19th June 2026
20AQI (US)
20AQI (US)
20th June 2026
23AQI (US)
23AQI (US)
21st June 2026
25AQI (US)
25AQI (US)
22nd June 2026
29AQI (US)
29AQI (US)
23rd June 2026
22AQI (US)
22AQI (US)
24th June 2026
29AQI (US)
29AQI (US)
25th June 2026
18AQI (US)
18AQI (US)
26th June 2026
23AQI (US)
23AQI (US)
27th June 2026
46AQI (US)
46AQI (US)
28th June 2026
54AQI (US)
54AQI (US)
29th June 2026
56AQI (US)
56AQI (US)
30th June 2026
55AQI (US)
55AQI (US)
1st July 2026
52AQI (US)
52AQI (US)
2nd July 2026
34AQI (US)
34AQI (US)
3rd July 2026
38AQI (US)
38AQI (US)
4th July 2026
55AQI (US)
55AQI (US)
5th July 2026
62AQI (US)
62AQI (US)
6th July 2026
55AQI (US)
55AQI (US)
7th July 2026
51AQI (US)
51AQI (US)
8th July 2026
54AQI (US)
54AQI (US)
9th July 2026
42AQI (US)
42AQI (US)
10th July 2026
46AQI (US)
46AQI (US)
11th July 2026
53AQI (US)
53AQI (US)
12th July 2026
54AQI (US)
54AQI (US)
13th July 2026
53AQI (US)
53AQI (US)
14th July 2026
48AQI (US)
48AQI (US)
15th July 2026
53AQI (US)
53AQI (US)
16th July 2026
206AQI (US)
206AQI (US)
17th July 2026
177AQI (US)
177AQI (US)
18th July 2026
54AQI (US)
54AQI (US)
19th July 2026
170AQI (US)
170AQI (US)
20th July 2026
96AQI (US)
96AQI (US)
21st July 2026
38AQI (US)
38AQI (US)
22nd July 2026
29AQI (US)
29AQI (US)
23rd July 2026
31AQI (US)
31AQI (US)
24th July 2026
30AQI (US)
30AQI (US)
25th July 2026
41AQI (US)
41AQI (US)
26th July 2026
55AQI (US)
55AQI (US)
27th July 2026
57AQI (US)
57AQI (US)
28th July 2026
44AQI (US)
44AQI (US)
29th July 2026
28AQI (US)
28AQI (US)
30th July 2026
32AQI (US)
32AQI (US)
31st July 2026
39AQI (US)
39AQI (US)
1st August 2026
43AQI (US)
43AQI (US)
2nd August 2026
44AQI (US)
44AQI (US)
3rd August 2026
36AQI (US)
36AQI (US)
4th August 2026
45AQI (US)
45AQI (US)
5th August 2026
59AQI (US)
59AQI (US)
6th August 2026
49AQI (US)
49AQI (US)
7th August 2026
44AQI (US)
44AQI (US)
8th August 2026
37AQI (US)
37AQI (US)
9th August 2026
34AQI (US)
34AQI (US)
10th August 2026
42AQI (US)
42AQI (US)
11th August 2026
36AQI (US)
36AQI (US)
12th August 2026
41AQI (US)
41AQI (US)
13th August 2026
49AQI (US)
49AQI (US)
14th August 2026
48AQI (US)
48AQI (US)
15th August 2026
16th August 2026
17th August 2026
18th August 2026
19th August 2026
20th August 2026
21st August 2026
22nd August 2026
23rd August 2026
24th August 2026
25th August 2026
26th August 2026
27th August 2026
28th August 2026
29th August 2026
30th August 2026
31st August 2026
1st September 2026
2nd September 2026
3rd September 2026
4th September 2026
5th September 2026
6th September 2026
7th September 2026
8th September 2026
9th September 2026
10th September 2026
11th September 2026
12th September 2026
13th September 2026
14th September 2026
15th September 2026
16th September 2026
17th September 2026
18th September 2026
19th September 2026
20th September 2026
21st September 2026
22nd September 2026
23rd September 2026
24th September 2026
25th September 2026
26th September 2026
27th September 2026
28th September 2026
29th September 2026
30th September 2026
1st October 2026
2nd October 2026
3rd October 2026
4th October 2026
5th October 2026
6th October 2026
7th October 2026
8th October 2026
9th October 2026
10th October 2026
11th October 2026
12th October 2026
13th October 2026
14th October 2026
15th October 2026
16th October 2026
17th October 2026
18th October 2026
19th October 2026
20th October 2026
21st October 2026
22nd October 2026
23rd October 2026
24th October 2026
25th October 2026
26th October 2026
27th October 2026
28th October 2026
29th October 2026
30th October 2026
31st October 2026
1st November 2026
2nd November 2026
3rd November 2026
4th November 2026
5th November 2026
6th November 2026
7th November 2026
8th November 2026
9th November 2026
10th November 2026
11th November 2026
12th November 2026
13th November 2026
14th November 2026
15th November 2026
16th November 2026
17th November 2026
18th November 2026
19th November 2026
20th November 2026
21st November 2026
22nd November 2026
23rd November 2026
24th November 2026
25th November 2026
26th November 2026
27th November 2026
28th November 2026
29th November 2026
30th November 2026
1st December 2026
2nd December 2026
3rd December 2026
4th December 2026
5th December 2026
6th December 2026
7th December 2026
8th December 2026
9th December 2026
10th December 2026
11th December 2026
12th December 2026
13th December 2026
14th December 2026
15th December 2026
16th December 2026
17th December 2026
18th December 2026
19th December 2026
20th December 2026
21st December 2026
22nd December 2026
23rd December 2026
24th December 2026
25th December 2026
26th December 2026
27th December 2026
28th December 2026
29th December 2026
30th December 2026
31st December 2026
34AQI (US)
45AQI (US)
45AQI (US)
33AQI (US)
30AQI (US)
28AQI (US)
61AQI (US)
43AQI (US)
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202640AQI (US)
25
6
20
8
23
8
26
2
29
1
27
3
14
14
2
1
13
1
177
43
2
1
Highest AQI (US) recorded in
July61AQI (US)
Lowest AQI (US) recorded in
June28AQI (US)
202540AQI (US)
5
28
2
31
15
13
2
19
11
1
19
8
4
23
7
25
6
22
8
18
13
205
68
6
1
Highest AQI (US) recorded in
June53AQI (US)
Lowest AQI (US) recorded in
March26AQI (US)
Most & Least Polluted Years Over the Last 2 Years
Most Polluted Year Recorded
2026(Avg.)
40AQI (US)Least Polluted Year Recorded
2025(Avg.)
40AQI (US)Regent's annual 2026 AQI (US) (40) shows an average percentage change of 0% (No Change AQI (US)) compared to previous years: 2025 (40).
