Marshfield, 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
Marshfield, Wisconsin, United States
2022
2023
2024
2025
2026
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
1st Aug 2025
155AQILowest AQI recorded on
28th Aug 2024
10AQISame Day Analysis (6th August):
On this day, AQI across the 5 years varied significantly: 2026 ranks 3rd highest AQI at 42 of Good air quality, showing improvement over 2025 and 2023 on the same day.
Day & Night AQI Trend: 5th Aug - 6th Aug 2026
Marshfield, Wisconsin, United States
AQI
Day
Night
.
5 AM5th Aug 2026
8 PM
4 AM6th Aug 2026
Day time
Avg. Highest Time
7AM5th Aug
59AQI
Avg. Lowest Time
6PM5th Aug
38AQI
Night time
Avg. Highest Time
11PM5th Aug
52AQI
Avg. Lowest Time
9PM5th Aug
31AQI
In the last 24 hours,
Marshfield's AQI reached its highest point of 59 at 7 AM during the Day, while the lowest point, 31, was recorded at 9 PM during the Night between 5th Aug and 6th Aug 2026.
Day & Night AQI Trend : Jul - Aug 2026
Marshfield, Wisconsin, United States
JulAug
08th - 09th09th - 10th10th - 11th11th - 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
Day
Night
8th Jul 2026175 AMAQI
8th Jul 2026176 AMAQI
8th Jul 2026217 AMAQI
8th Jul 2026178 AMAQI
8th Jul 2026219 AMAQI
8th Jul 20262110 AMAQI
8th Jul 20262111 AMAQI
8th Jul 20262512 PMAQI
8th Jul 2026251 PMAQI
8th Jul 2026292 PMAQI
8th Jul 2026293 PMAQI
8th Jul 2026404 PMAQI
8th Jul 2026385 PMAQI
8th Jul 2026256 PMAQI
8th Jul 2026217 PMAQI
8th Jul 2026218 PMAQI
8th Jul 2026219 PMAQI
8th Jul 20262510 PMAQI
8th Jul 20262511 PMAQI
9th Jul 20262512 AMAQI
9th Jul 2026421 AMAQI
9th Jul 2026422 AMAQI
9th Jul 2026383 AMAQI
9th Jul 2026174 AMAQI
22°C19/26°C
9th Jul 2026185 AMAQI
9th Jul 2026206 AMAQI
9th Jul 2026407 AMAQI
9th Jul 2026198 AMAQI
9th Jul 2026209 AMAQI
9th Jul 20261610 AMAQI
9th Jul 20261611 AMAQI
9th Jul 20261412 PMAQI
9th Jul 2026221 PMAQI
9th Jul 2026102 PMAQI
9th Jul 2026323 PMAQI
9th Jul 2026124 PMAQI
9th Jul 2026105 PMAQI
9th Jul 2026126 PMAQI
9th Jul 2026227 PMAQI
9th Jul 2026128 PMAQI
9th Jul 2026129 PMAQI
9th Jul 20261710 PMAQI
9th Jul 20261311 PMAQI
10th Jul 20261212 AMAQI
10th Jul 2026211 AMAQI
10th Jul 2026252 AMAQI
10th Jul 2026183 AMAQI
10th Jul 2026454 AMAQI
22°C17/28°C
10th Jul 2026405 AMAQI
10th Jul 2026386 AMAQI
10th Jul 2026217 AMAQI
10th Jul 2026328 AMAQI
10th Jul 2026219 AMAQI
10th Jul 20261410 AMAQI
10th Jul 20262111 AMAQI
10th Jul 20262112 PMAQI
10th Jul 2026211 PMAQI
10th Jul 2026212 PMAQI
10th Jul 2026213 PMAQI
10th Jul 2026214 PMAQI
10th Jul 2026365 PMAQI
10th Jul 2026286 PMAQI
10th Jul 2026347 PMAQI
10th Jul 2026188 PMAQI
10th Jul 2026189 PMAQI
10th Jul 20262110 PMAQI
10th Jul 20262511 PMAQI
11th Jul 20262912 AMAQI
11th Jul 2026241 AMAQI
11th Jul 2026362 AMAQI
11th Jul 2026653 AMAQI
11th Jul 2026394 AMAQI
23°C15/29°C
11th Jul 2026405 AMAQI
11th Jul 2026156 AMAQI
11th Jul 2026297 AMAQI
11th Jul 2026298 AMAQI
11th Jul 2026259 AMAQI
11th Jul 20262910 AMAQI
11th Jul 20263411 AMAQI
11th Jul 20264212 PMAQI
11th Jul 2026441 PMAQI
11th Jul 2026202 PMAQI
11th Jul 2026293 PMAQI
11th Jul 2026294 PMAQI
11th Jul 2026295 PMAQI
11th Jul 2026206 PMAQI
11th Jul 2026207 PMAQI
11th Jul 2026428 PMAQI
11th Jul 2026409 PMAQI
11th Jul 20264010 PMAQI
11th Jul 20261111 PMAQI
12th Jul 20263312 AMAQI
12th Jul 2026331 AMAQI
12th Jul 2026212 AMAQI
12th Jul 2026383 AMAQI
12th Jul 2026294 AMAQI
24°C17/31°C
12th Jul 2026225 AMAQI
12th Jul 2026246 AMAQI
12th Jul 2026377 AMAQI
12th Jul 2026228 AMAQI
12th Jul 2026379 AMAQI
12th Jul 20264910 AMAQI
12th Jul 20264411 AMAQI
12th Jul 20264612 PMAQI
12th Jul 2026331 PMAQI
12th Jul 2026262 PMAQI
12th Jul 2026333 PMAQI
12th Jul 2026484 PMAQI
12th Jul 2026485 PMAQI
12th Jul 2026336 PMAQI
12th Jul 2026337 PMAQI
12th Jul 2026338 PMAQI
12th Jul 2026299 PMAQI
12th Jul 20262910 PMAQI
12th Jul 20263311 PMAQI
13th Jul 20263312 AMAQI
13th Jul 2026331 AMAQI
13th Jul 2026332 AMAQI
13th Jul 2026293 AMAQI
13th Jul 2026334 AMAQI
25°C18/32°C
13th Jul 2026245 AMAQI
13th Jul 2026336 AMAQI
13th Jul 2026337 AMAQI
13th Jul 2026258 AMAQI
13th Jul 2026269 AMAQI
13th Jul 20264610 AMAQI
13th Jul 20264011 AMAQI
13th Jul 20264412 PMAQI
13th Jul 2026231 PMAQI
13th Jul 2026292 PMAQI
13th Jul 2026293 PMAQI
13th Jul 2026294 PMAQI
13th Jul 2026245 PMAQI
13th Jul 2026256 PMAQI
13th Jul 2026427 PMAQI
13th Jul 2026408 PMAQI
13th Jul 2026389 PMAQI
13th Jul 20264210 PMAQI
13th Jul 20262911 PMAQI
14th Jul 20262912 AMAQI
14th Jul 2026421 AMAQI
14th Jul 2026462 AMAQI
14th Jul 2026473 AMAQI
14th Jul 2026464 AMAQI
27°C19/34°C
14th Jul 2026245 AMAQI
14th Jul 2026166 AMAQI
14th Jul 2026227 AMAQI
14th Jul 2026258 AMAQI
14th Jul 2026229 AMAQI
14th Jul 20261910 AMAQI
14th Jul 20261911 AMAQI
14th Jul 20262012 PMAQI
14th Jul 2026201 PMAQI
14th Jul 2026302 PMAQI
14th Jul 2026213 PMAQI
14th Jul 2026214 PMAQI
14th Jul 2026205 PMAQI
14th Jul 2026326 PMAQI
14th Jul 2026347 PMAQI
14th Jul 2026228 PMAQI
14th Jul 2026229 PMAQI
14th Jul 20262410 PMAQI
14th Jul 20262211 PMAQI
15th Jul 20262112 AMAQI
15th Jul 2026441 AMAQI
15th Jul 2026962 AMAQI
15th Jul 2026503 AMAQI
15th Jul 2026294 AMAQI
27°C19/35°C
15th Jul 2026295 AMAQI
15th Jul 2026296 AMAQI
15th Jul 2026867 AMAQI
15th Jul 2026298 AMAQI
15th Jul 2026529 AMAQI
15th Jul 20264210 AMAQI
15th Jul 20264211 AMAQI
15th Jul 20264012 PMAQI
15th Jul 2026421 PMAQI
15th Jul 2026552 PMAQI
15th Jul 2026423 PMAQI
15th Jul 2026384 PMAQI
15th Jul 2026255 PMAQI
15th Jul 2026386 PMAQI
15th Jul 20261177 PMAQI
15th Jul 2026428 PMAQI
15th Jul 2026609 PMAQI
15th Jul 202614410 PMAQI
15th Jul 202612411 PMAQI
16th Jul 202617412 AMAQI
16th Jul 2026251 AMAQI
16th Jul 2026262 AMAQI
16th Jul 20261673 AMAQI
16th Jul 20261704 AMAQI
26°C20/33°C
16th Jul 20261305 AMAQI
16th Jul 20262116 AMAQI
16th Jul 20262227 AMAQI
16th Jul 20261988 AMAQI
16th Jul 20262309 AMAQI
16th Jul 202613110 AMAQI
16th Jul 202613911 AMAQI
16th Jul 202623612 PMAQI
16th Jul 20261281 PMAQI
16th Jul 20261922 PMAQI
16th Jul 20261903 PMAQI
16th Jul 20261844 PMAQI
16th Jul 20261635 PMAQI
16th Jul 2026866 PMAQI
16th Jul 20261257 PMAQI
16th Jul 2026538 PMAQI
16th Jul 2026459 PMAQI
16th Jul 202611210 PMAQI
16th Jul 202611211 PMAQI
17th Jul 202612112 AMAQI
17th Jul 2026791 AMAQI
17th Jul 20261332 AMAQI
17th Jul 20261223 AMAQI
17th Jul 20261684 AMAQI
24°C15/32°C
17th Jul 20261505 AMAQI
17th Jul 20261466 AMAQI
17th Jul 20261367 AMAQI
17th Jul 20261408 AMAQI
17th Jul 20261799 AMAQI
17th Jul 202617410 AMAQI
17th Jul 202616011 AMAQI
17th Jul 202616212 PMAQI
17th Jul 20261521 PMAQI
17th Jul 20261132 PMAQI
17th Jul 20261083 PMAQI
17th Jul 2026874 PMAQI
17th Jul 2026905 PMAQI
17th Jul 2026706 PMAQI
17th Jul 2026657 PMAQI
17th Jul 2026788 PMAQI
17th Jul 2026629 PMAQI
17th Jul 20267010 PMAQI
17th Jul 20265411 PMAQI
18th Jul 20264612 AMAQI
18th Jul 2026491 AMAQI
18th Jul 2026592 AMAQI
18th Jul 2026573 AMAQI
18th Jul 2026604 AMAQI
27°C20/34°C
18th Jul 2026515 AMAQI
18th Jul 2026666 AMAQI
18th Jul 2026687 AMAQI
18th Jul 2026648 AMAQI
18th Jul 2026749 AMAQI
18th Jul 20268310 AMAQI
18th Jul 20268211 AMAQI
18th Jul 20268012 PMAQI
18th Jul 2026791 PMAQI
18th Jul 2026722 PMAQI
18th Jul 2026803 PMAQI
18th Jul 2026844 PMAQI
18th Jul 2026865 PMAQI
18th Jul 2026906 PMAQI
18th Jul 2026847 PMAQI
18th Jul 2026988 PMAQI
18th Jul 20261099 PMAQI
18th Jul 202615110 PMAQI
18th Jul 202614811 PMAQI
19th Jul 202615812 AMAQI
19th Jul 20261661 AMAQI
19th Jul 20261722 AMAQI
19th Jul 20261803 AMAQI
19th Jul 20261794 AMAQI
23°C19/27°C
19th Jul 20261865 AMAQI
19th Jul 20261926 AMAQI
19th Jul 20261997 AMAQI
19th Jul 20261908 AMAQI
19th Jul 20261999 AMAQI
19th Jul 202619610 AMAQI
19th Jul 202619411 AMAQI
19th Jul 202619412 PMAQI
19th Jul 20261911 PMAQI
19th Jul 20261782 PMAQI
19th Jul 20261763 PMAQI
19th Jul 20261804 PMAQI
19th Jul 20261745 PMAQI
19th Jul 20261686 PMAQI
19th Jul 20261727 PMAQI
19th Jul 20261648 PMAQI
19th Jul 20261629 PMAQI
19th Jul 202616710 PMAQI
19th Jul 202616611 PMAQI
20th Jul 202617012 AMAQI
20th Jul 20261721 AMAQI
20th Jul 20261702 AMAQI
20th Jul 20261723 AMAQI
20th Jul 20261784 AMAQI
21°C15/28°C
20th Jul 20261725 AMAQI
20th Jul 20261686 AMAQI
20th Jul 20261697 AMAQI
20th Jul 20261668 AMAQI
20th Jul 20261629 AMAQI
20th Jul 202615610 AMAQI
20th Jul 202614811 AMAQI
20th Jul 202610612 PMAQI
20th Jul 2026991 PMAQI
20th Jul 2026792 PMAQI
20th Jul 2026503 PMAQI
20th Jul 2026644 PMAQI
20th Jul 2026495 PMAQI
20th Jul 2026586 PMAQI
20th Jul 2026527 PMAQI
20th Jul 2026548 PMAQI
20th Jul 2026469 PMAQI
20th Jul 20265611 PMAQI
21st Jul 20265712 AMAQI
21st Jul 2026531 AMAQI
21st Jul 2026522 AMAQI
21st Jul 2026543 AMAQI
21st Jul 2026564 AMAQI
24°C19/30°C
21st Jul 2026605 AMAQI
21st Jul 2026576 AMAQI
21st Jul 2026557 AMAQI
21st Jul 2026538 AMAQI
21st Jul 2026469 AMAQI
21st Jul 20264210 AMAQI
21st Jul 20264611 AMAQI
21st Jul 20264012 PMAQI
21st Jul 2026461 PMAQI
21st Jul 2026422 PMAQI
21st Jul 2026343 PMAQI
21st Jul 2026504 PMAQI
21st Jul 2026495 PMAQI
21st Jul 2026506 PMAQI
21st Jul 2026427 PMAQI
21st Jul 2026388 PMAQI
21st Jul 2026239 PMAQI
21st Jul 20264210 PMAQI
21st Jul 20263611 PMAQI
22nd Jul 20263012 AMAQI
22nd Jul 2026211 AMAQI
22nd Jul 2026192 AMAQI
22nd Jul 2026213 AMAQI
22nd Jul 2026194 AMAQI
20°C13/23°C
22nd Jul 2026215 AMAQI
22nd Jul 2026236 AMAQI
22nd Jul 2026237 AMAQI
22nd Jul 2026348 AMAQI
22nd Jul 2026389 AMAQI
22nd Jul 20262310 AMAQI
22nd Jul 20262511 AMAQI
22nd Jul 20262112 PMAQI
22nd Jul 2026231 PMAQI
22nd Jul 2026292 PMAQI
22nd Jul 2026293 PMAQI
22nd Jul 2026344 PMAQI
22nd Jul 2026345 PMAQI
22nd Jul 2026256 PMAQI
22nd Jul 2026277 PMAQI
22nd Jul 2026278 PMAQI
22nd Jul 2026609 PMAQI
22nd Jul 20263610 PMAQI
22nd Jul 20263111 PMAQI
23rd Jul 20265112 AMAQI
23rd Jul 2026531 AMAQI
23rd Jul 2026492 AMAQI
23rd Jul 2026443 AMAQI
23rd Jul 2026404 AMAQI
15°C9/22°C
23rd Jul 2026365 AMAQI
23rd Jul 2026296 AMAQI
23rd Jul 2026327 AMAQI
23rd Jul 2026348 AMAQI
23rd Jul 2026279 AMAQI
23rd Jul 20263310 AMAQI
23rd Jul 20264811 AMAQI
23rd Jul 20265512 PMAQI
23rd Jul 2026671 PMAQI
23rd Jul 2026382 PMAQI
23rd Jul 2026333 PMAQI
23rd Jul 2026384 PMAQI
23rd Jul 2026385 PMAQI
23rd Jul 2026426 PMAQI
23rd Jul 2026517 PMAQI
23rd Jul 2026538 PMAQI
23rd Jul 2026369 PMAQI
23rd Jul 20263610 PMAQI
23rd Jul 20263811 PMAQI
24th Jul 20264212 AMAQI
24th Jul 2026401 AMAQI
24th Jul 2026442 AMAQI
24th Jul 2026363 AMAQI
24th Jul 2026324 AMAQI
18°C9/26°C
24th Jul 2026465 AMAQI
24th Jul 2026366 AMAQI
24th Jul 2026487 AMAQI
24th Jul 2026428 AMAQI
24th Jul 2026369 AMAQI
24th Jul 20264410 AMAQI
24th Jul 20262711 AMAQI
24th Jul 20262912 PMAQI
24th Jul 2026381 PMAQI
24th Jul 2026362 PMAQI
24th Jul 2026423 PMAQI
24th Jul 2026444 PMAQI
24th Jul 2026465 PMAQI
24th Jul 2026446 PMAQI
24th Jul 2026427 PMAQI
24th Jul 2026408 PMAQI
24th Jul 2026389 PMAQI
24th Jul 20262910 PMAQI
24th Jul 20262411 PMAQI
25th Jul 20262512 AMAQI
25th Jul 2026291 AMAQI
25th Jul 2026332 AMAQI
25th Jul 2026273 AMAQI
25th Jul 2026334 AMAQI
20°C12/27°C
25th Jul 2026335 AMAQI
25th Jul 2026336 AMAQI
25th Jul 2026337 AMAQI
25th Jul 2026388 AMAQI
25th Jul 2026389 AMAQI
25th Jul 20263210 AMAQI
25th Jul 20262911 AMAQI
25th Jul 20262512 PMAQI
25th Jul 2026251 PMAQI
25th Jul 2026232 PMAQI
25th Jul 2026363 PMAQI
25th Jul 2026404 PMAQI
25th Jul 2026425 PMAQI
25th Jul 2026446 PMAQI
25th Jul 2026507 PMAQI
25th Jul 2026428 PMAQI
25th Jul 2026449 PMAQI
25th Jul 20264610 PMAQI
25th Jul 20264611 PMAQI
26th Jul 20264412 AMAQI
26th Jul 2026461 AMAQI
26th Jul 2026422 AMAQI
26th Jul 2026493 AMAQI
26th Jul 2026464 AMAQI
22°C17/28°C
26th Jul 2026465 AMAQI
26th Jul 2026486 AMAQI
26th Jul 2026407 AMAQI
26th Jul 2026428 AMAQI
26th Jul 2026449 AMAQI
26th Jul 20264210 AMAQI
26th Jul 20265111 AMAQI
26th Jul 20265312 PMAQI
26th Jul 2026531 PMAQI
26th Jul 2026522 PMAQI
26th Jul 2026543 PMAQI
26th Jul 2026564 PMAQI
26th Jul 2026555 PMAQI
26th Jul 2026526 PMAQI
26th Jul 2026507 PMAQI
26th Jul 2026528 PMAQI
26th Jul 2026559 PMAQI
26th Jul 20265710 PMAQI
26th Jul 20265911 PMAQI
27th Jul 20265812 AMAQI
27th Jul 2026601 AMAQI
27th Jul 2026652 AMAQI
27th Jul 2026603 AMAQI
27th Jul 2026594 AMAQI
26°C19/33°C
27th Jul 2026555 AMAQI
27th Jul 2026596 AMAQI
27th Jul 2026597 AMAQI
27th Jul 2026568 AMAQI
27th Jul 2026499 AMAQI
27th Jul 20265010 AMAQI
27th Jul 20264911 AMAQI
27th Jul 20264612 PMAQI
27th Jul 2026531 PMAQI
27th Jul 2026542 PMAQI
27th Jul 2026563 PMAQI
27th Jul 2026524 PMAQI
27th Jul 2026585 PMAQI
27th Jul 2026546 PMAQI
27th Jul 2026517 PMAQI
27th Jul 2026468 PMAQI
27th Jul 2026469 PMAQI
27th Jul 20265110 PMAQI
27th Jul 20265211 PMAQI
28th Jul 20265412 AMAQI
28th Jul 2026521 AMAQI
28th Jul 2026502 AMAQI
28th Jul 2026503 AMAQI
28th Jul 2026514 AMAQI
27°C21/34°C
28th Jul 2026505 AMAQI
28th Jul 2026506 AMAQI
28th Jul 2026487 AMAQI
28th Jul 2026518 AMAQI
28th Jul 2026499 AMAQI
28th Jul 20264410 AMAQI
28th Jul 20264611 AMAQI
28th Jul 20264012 PMAQI
28th Jul 2026461 PMAQI
28th Jul 2026422 PMAQI
28th Jul 2026443 PMAQI
28th Jul 2026404 PMAQI
28th Jul 2026405 PMAQI
28th Jul 2026426 PMAQI
28th Jul 2026447 PMAQI
28th Jul 2026428 PMAQI
28th Jul 2026449 PMAQI
28th Jul 20264210 PMAQI
28th Jul 20264411 PMAQI
29th Jul 20264212 AMAQI
29th Jul 2026361 AMAQI
29th Jul 2026382 AMAQI
29th Jul 2026443 AMAQI
29th Jul 2026474 AMAQI
22°C14/29°C
29th Jul 2026455 AMAQI
29th Jul 2026326 AMAQI
29th Jul 2026427 AMAQI
29th Jul 2026388 AMAQI
29th Jul 2026409 AMAQI
29th Jul 20263810 AMAQI
29th Jul 20263611 AMAQI
29th Jul 20264712 PMAQI
29th Jul 2026461 PMAQI
29th Jul 2026522 PMAQI
29th Jul 2026423 PMAQI
29th Jul 2026564 PMAQI
29th Jul 2026565 PMAQI
29th Jul 2026546 PMAQI
29th Jul 2026547 PMAQI
29th Jul 2026578 PMAQI
29th Jul 2026599 PMAQI
29th Jul 20265410 PMAQI
29th Jul 20265811 PMAQI
30th Jul 20265412 AMAQI
30th Jul 2026571 AMAQI
30th Jul 2026562 AMAQI
30th Jul 2026573 AMAQI
30th Jul 2026554 AMAQI
23°C15/31°C
30th Jul 2026545 AMAQI
30th Jul 2026526 AMAQI
30th Jul 2026557 AMAQI
30th Jul 2026558 AMAQI
30th Jul 2026569 AMAQI
30th Jul 20265310 AMAQI
30th Jul 20265211 AMAQI
30th Jul 20265112 PMAQI
30th Jul 2026561 PMAQI
30th Jul 2026562 PMAQI
30th Jul 2026533 PMAQI
30th Jul 2026564 PMAQI
30th Jul 2026565 PMAQI
30th Jul 2026546 PMAQI
30th Jul 2026557 PMAQI
30th Jul 2026608 PMAQI
30th Jul 2026609 PMAQI
30th Jul 20265710 PMAQI
30th Jul 20265811 PMAQI
31st Jul 20265212 AMAQI
31st Jul 2026521 AMAQI
31st Jul 2026522 AMAQI
31st Jul 2026533 AMAQI
31st Jul 2026514 AMAQI
25°C19/32°C
31st Jul 2026495 AMAQI
31st Jul 2026506 AMAQI
31st Jul 2026497 AMAQI
31st Jul 2026518 AMAQI
31st Jul 2026509 AMAQI
31st Jul 20264810 AMAQI
31st Jul 20264411 AMAQI
31st Jul 20264912 PMAQI
31st Jul 2026461 PMAQI
31st Jul 2026462 PMAQI
31st Jul 2026503 PMAQI
31st Jul 2026484 PMAQI
31st Jul 2026405 PMAQI
31st Jul 2026386 PMAQI
31st Jul 2026447 PMAQI
31st Jul 2026428 PMAQI
31st Jul 2026449 PMAQI
31st Jul 20264410 PMAQI
31st Jul 20264411 PMAQI
1st Aug 20264412 AMAQI
1st Aug 2026511 AMAQI
1st Aug 2026502 AMAQI
1st Aug 2026513 AMAQI
1st Aug 2026534 AMAQI
21°C17/27°C
1st Aug 2026505 AMAQI
1st Aug 2026466 AMAQI
1st Aug 2026507 AMAQI
1st Aug 2026538 AMAQI
1st Aug 2026519 AMAQI
1st Aug 20265110 AMAQI
1st Aug 20265211 AMAQI
1st Aug 20265012 PMAQI
1st Aug 2026531 PMAQI
1st Aug 2026512 PMAQI
1st Aug 2026533 PMAQI
1st Aug 2026554 PMAQI
1st Aug 2026545 PMAQI
1st Aug 2026526 PMAQI
1st Aug 2026517 PMAQI
1st Aug 2026608 PMAQI
1st Aug 2026599 PMAQI
1st Aug 20265010 PMAQI
1st Aug 20265111 PMAQI
2nd Aug 20264912 AMAQI
2nd Aug 2026511 AMAQI
2nd Aug 2026512 AMAQI
2nd Aug 2026483 AMAQI
2nd Aug 2026504 AMAQI
22°C16/30°C
2nd Aug 2026495 AMAQI
2nd Aug 2026486 AMAQI
2nd Aug 2026487 AMAQI
2nd Aug 2026488 AMAQI
2nd Aug 2026429 AMAQI
2nd Aug 20264610 AMAQI
2nd Aug 20264411 AMAQI
2nd Aug 20264212 PMAQI
2nd Aug 2026511 PMAQI
2nd Aug 2026442 PMAQI
2nd Aug 2026403 PMAQI
2nd Aug 2026424 PMAQI
2nd Aug 2026385 PMAQI
2nd Aug 2026346 PMAQI
2nd Aug 2026467 PMAQI
2nd Aug 2026488 PMAQI
2nd Aug 2026369 PMAQI
2nd Aug 20263810 PMAQI
2nd Aug 20264211 PMAQI
3rd Aug 20263812 AMAQI
3rd Aug 2026361 AMAQI
3rd Aug 2026272 AMAQI
3rd Aug 2026273 AMAQI
3rd Aug 2026344 AMAQI
22°C14/29°C
3rd Aug 2026405 AMAQI
3rd Aug 2026386 AMAQI
3rd Aug 2026447 AMAQI
3rd Aug 2026518 AMAQI
3rd Aug 2026499 AMAQI
3rd Aug 20263810 AMAQI
3rd Aug 20264211 AMAQI
3rd Aug 20263812 PMAQI
3rd Aug 2026381 PMAQI
3rd Aug 2026482 PMAQI
3rd Aug 2026443 PMAQI
3rd Aug 2026464 PMAQI
3rd Aug 2026475 PMAQI
3rd Aug 2026466 PMAQI
3rd Aug 2026527 PMAQI
3rd Aug 2026478 PMAQI
3rd Aug 2026449 PMAQI
3rd Aug 20264010 PMAQI
3rd Aug 20264411 PMAQI
4th Aug 20264412 AMAQI
4th Aug 2026441 AMAQI
4th Aug 2026402 AMAQI
4th Aug 2026443 AMAQI
4th Aug 2026424 AMAQI
23°C14/30°C
4th Aug 2026445 AMAQI
4th Aug 2026426 AMAQI
4th Aug 2026477 AMAQI
4th Aug 2026488 AMAQI
4th Aug 2026489 AMAQI
4th Aug 20265110 AMAQI
4th Aug 20264811 AMAQI
4th Aug 20265312 PMAQI
4th Aug 2026601 PMAQI
4th Aug 2026582 PMAQI
4th Aug 2026583 PMAQI
4th Aug 2026574 PMAQI
4th Aug 2026645 PMAQI
4th Aug 2026626 PMAQI
4th Aug 2026647 PMAQI
4th Aug 2026628 PMAQI
4th Aug 2026709 PMAQI
4th Aug 20266910 PMAQI
4th Aug 20266411 PMAQI
5th Aug 20267012 AMAQI
5th Aug 2026641 AMAQI
5th Aug 2026642 AMAQI
5th Aug 2026573 AMAQI
5th Aug 2026544 AMAQI
22°C19/26°C
5th Aug 2026555 AMAQI
5th Aug 2026576 AMAQI
5th Aug 2026597 AMAQI
5th Aug 2026548 AMAQI
5th Aug 2026549 AMAQI
5th Aug 20265010 AMAQI
5th Aug 20265411 AMAQI
5th Aug 20265312 PMAQI
5th Aug 2026531 PMAQI
5th Aug 2026582 PMAQI
5th Aug 2026543 PMAQI
5th Aug 2026554 PMAQI
5th Aug 2026565 PMAQI
5th Aug 2026386 PMAQI
5th Aug 2026537 PMAQI
5th Aug 2026548 PMAQI
5th Aug 2026319 PMAQI
5th Aug 20265110 PMAQI
5th Aug 20265211 PMAQI
6th Aug 20264212 AMAQI
6th Aug 2026481 AMAQI
6th Aug 2026462 AMAQI
6th Aug 2026403 AMAQI
6th Aug 2026404 AMAQI
20°C12/26°C
6th Aug 2026315 AMAQI
5 AM6th Aug 2026406 AMAQI
6th Aug 2026557 AMAQI
6th Aug 2026388 AMAQI
6th Aug 2026509 AMAQI
6th Aug 20263410 AMAQI
6th Aug 20263811 AMAQI
6th Aug 20263812 PMAQI
12 PM6th Aug 2026481 PMAQI
6th Aug 2026382 PMAQI
6th Aug 2026213 PMAQI
6th Aug 2026464 PMAQI
6th Aug 2026365 PMAQI
6th Aug 2026276 PMAQI
6th Aug 2026517 PMAQI
6th Aug 2026528 PMAQI
8 PM6th Aug 2026529 PMAQI
6th Aug 20264610 PMAQI
6th Aug 20265011 PMAQI
12 AM
4 AM
19°C10/28°C
Day time
Avg. Highest Time
7 AM
62AQI
1 hours / Day
30 hours / Month
Avg. Lowest Time
6 PM
48AQI
1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 7 AM to 7 AM (Avg. 62), while the lowest AQI was between 6 PM to 6 PM (Avg. 48).
Night time
Avg. Highest Time
3 AM - 4 AM
59AQI
2 hours / Day
60 hours / Month
Avg. Lowest Time
9 PM
49AQI
1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 3 AM to 4 AM (Avg. 59), while the lowest AQI was between 9 PM to 9 PM (Avg. 49).
2026 Days Vs Air Quality
Marshfield, Wisconsin, United States
2026
93%
201
5%
10
1%
3
0.4%
1
Total number of days with different AQI categories in last 218 days in 2026 (147 days remaining)
Good
201 DaysModerate
10 DaysPoor
3 DaysUnhealthy
1 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 93%
Health Risk Level:
Very Low
In 2026, 93% of 218 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
Marshfield, 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
18AQI (US)
18AQI (US)
2nd January 2026
19AQI (US)
19AQI (US)
3rd January 2026
26AQI (US)
26AQI (US)
4th January 2026
49AQI (US)
49AQI (US)
5th January 2026
43AQI (US)
43AQI (US)
6th January 2026
55AQI (US)
55AQI (US)
7th January 2026
41AQI (US)
41AQI (US)
8th January 2026
47AQI (US)
47AQI (US)
9th January 2026
25AQI (US)
25AQI (US)
10th January 2026
35AQI (US)
35AQI (US)
11th January 2026
18AQI (US)
18AQI (US)
12th January 2026
21AQI (US)
21AQI (US)
13th January 2026
19AQI (US)
19AQI (US)
14th January 2026
9AQI (US)
9AQI (US)
15th January 2026
13AQI (US)
13AQI (US)
16th January 2026
17AQI (US)
17AQI (US)
17th January 2026
14AQI (US)
14AQI (US)
18th January 2026
15AQI (US)
15AQI (US)
19th January 2026
11AQI (US)
11AQI (US)
20th January 2026
19AQI (US)
19AQI (US)
21st January 2026
27AQI (US)
27AQI (US)
22nd January 2026
39AQI (US)
39AQI (US)
23rd January 2026
39AQI (US)
39AQI (US)
24th January 2026
31AQI (US)
31AQI (US)
25th January 2026
36AQI (US)
36AQI (US)
26th January 2026
37AQI (US)
37AQI (US)
27th January 2026
27AQI (US)
27AQI (US)
28th January 2026
24AQI (US)
24AQI (US)
29th January 2026
33AQI (US)
33AQI (US)
30th January 2026
51AQI (US)
51AQI (US)
31st January 2026
36AQI (US)
36AQI (US)
1st February 2026
31AQI (US)
31AQI (US)
2nd February 2026
34AQI (US)
34AQI (US)
3rd February 2026
34AQI (US)
34AQI (US)
4th February 2026
33AQI (US)
33AQI (US)
5th February 2026
46AQI (US)
46AQI (US)
6th February 2026
41AQI (US)
41AQI (US)
7th February 2026
38AQI (US)
38AQI (US)
8th February 2026
36AQI (US)
36AQI (US)
9th February 2026
39AQI (US)
39AQI (US)
10th February 2026
41AQI (US)
41AQI (US)
11th February 2026
35AQI (US)
35AQI (US)
12th February 2026
26AQI (US)
26AQI (US)
13th February 2026
31AQI (US)
31AQI (US)
14th February 2026
38AQI (US)
38AQI (US)
15th February 2026
43AQI (US)
43AQI (US)
16th February 2026
32AQI (US)
32AQI (US)
17th February 2026
36AQI (US)
36AQI (US)
18th February 2026
41AQI (US)
41AQI (US)
19th February 2026
40AQI (US)
40AQI (US)
20th February 2026
38AQI (US)
38AQI (US)
21st February 2026
35AQI (US)
35AQI (US)
22nd February 2026
37AQI (US)
37AQI (US)
23rd February 2026
37AQI (US)
37AQI (US)
24th February 2026
37AQI (US)
37AQI (US)
25th February 2026
34AQI (US)
34AQI (US)
26th February 2026
28AQI (US)
28AQI (US)
27th February 2026
32AQI (US)
32AQI (US)
28th February 2026
36AQI (US)
36AQI (US)
1st March 2026
37AQI (US)
37AQI (US)
2nd March 2026
52AQI (US)
52AQI (US)
3rd March 2026
32AQI (US)
32AQI (US)
4th March 2026
39AQI (US)
39AQI (US)
5th March 2026
39AQI (US)
39AQI (US)
6th March 2026
28AQI (US)
28AQI (US)
7th March 2026
40AQI (US)
40AQI (US)
8th March 2026
39AQI (US)
39AQI (US)
9th March 2026
34AQI (US)
34AQI (US)
10th March 2026
37AQI (US)
37AQI (US)
11th March 2026
45AQI (US)
45AQI (US)
12th March 2026
31AQI (US)
31AQI (US)
13th March 2026
43AQI (US)
43AQI (US)
14th March 2026
34AQI (US)
34AQI (US)
15th March 2026
33AQI (US)
33AQI (US)
16th March 2026
32AQI (US)
32AQI (US)
17th March 2026
27AQI (US)
27AQI (US)
18th March 2026
28AQI (US)
28AQI (US)
19th March 2026
32AQI (US)
32AQI (US)
20th March 2026
30AQI (US)
30AQI (US)
21st March 2026
31AQI (US)
31AQI (US)
22nd March 2026
34AQI (US)
34AQI (US)
23rd March 2026
40AQI (US)
40AQI (US)
24th March 2026
26AQI (US)
26AQI (US)
25th March 2026
29AQI (US)
29AQI (US)
26th March 2026
29AQI (US)
29AQI (US)
27th March 2026
26AQI (US)
26AQI (US)
28th March 2026
27AQI (US)
27AQI (US)
29th March 2026
26AQI (US)
26AQI (US)
30th March 2026
29AQI (US)
29AQI (US)
31st March 2026
23AQI (US)
23AQI (US)
1st April 2026
29AQI (US)
29AQI (US)
2nd April 2026
31AQI (US)
31AQI (US)
3rd April 2026
28AQI (US)
28AQI (US)
4th April 2026
31AQI (US)
31AQI (US)
5th April 2026
29AQI (US)
29AQI (US)
6th April 2026
30AQI (US)
30AQI (US)
7th April 2026
25AQI (US)
25AQI (US)
8th April 2026
24AQI (US)
24AQI (US)
9th April 2026
26AQI (US)
26AQI (US)
10th April 2026
34AQI (US)
34AQI (US)
11th April 2026
24AQI (US)
24AQI (US)
12th April 2026
28AQI (US)
28AQI (US)
13th April 2026
28AQI (US)
28AQI (US)
14th April 2026
28AQI (US)
28AQI (US)
15th April 2026
29AQI (US)
29AQI (US)
16th April 2026
24AQI (US)
24AQI (US)
17th April 2026
18th April 2026
28AQI (US)
28AQI (US)
19th April 2026
32AQI (US)
32AQI (US)
20th April 2026
23AQI (US)
23AQI (US)
21st April 2026
22AQI (US)
22AQI (US)
22nd April 2026
23rd April 2026
19AQI (US)
19AQI (US)
24th April 2026
21AQI (US)
21AQI (US)
25th April 2026
28AQI (US)
28AQI (US)
26th April 2026
31AQI (US)
31AQI (US)
27th April 2026
20AQI (US)
20AQI (US)
28th April 2026
24AQI (US)
24AQI (US)
29th April 2026
24AQI (US)
24AQI (US)
30th April 2026
26AQI (US)
26AQI (US)
1st May 2026
25AQI (US)
25AQI (US)
2nd May 2026
23AQI (US)
23AQI (US)
3rd May 2026
23AQI (US)
23AQI (US)
4th May 2026
32AQI (US)
32AQI (US)
5th May 2026
33AQI (US)
33AQI (US)
6th May 2026
22AQI (US)
22AQI (US)
7th May 2026
16AQI (US)
16AQI (US)
8th May 2026
29AQI (US)
29AQI (US)
9th May 2026
10th May 2026
31AQI (US)
31AQI (US)
11th May 2026
26AQI (US)
26AQI (US)
12th May 2026
27AQI (US)
27AQI (US)
13th May 2026
26AQI (US)
26AQI (US)
14th May 2026
14AQI (US)
14AQI (US)
15th May 2026
39AQI (US)
39AQI (US)
16th May 2026
50AQI (US)
50AQI (US)
17th May 2026
48AQI (US)
48AQI (US)
18th May 2026
46AQI (US)
46AQI (US)
19th May 2026
50AQI (US)
50AQI (US)
20th May 2026
50AQI (US)
50AQI (US)
21st May 2026
43AQI (US)
43AQI (US)
22nd May 2026
39AQI (US)
39AQI (US)
23rd May 2026
44AQI (US)
44AQI (US)
24th May 2026
44AQI (US)
44AQI (US)
25th May 2026
38AQI (US)
38AQI (US)
26th May 2026
23AQI (US)
23AQI (US)
27th May 2026
14AQI (US)
14AQI (US)
28th May 2026
15AQI (US)
15AQI (US)
29th May 2026
15AQI (US)
15AQI (US)
30th May 2026
16AQI (US)
16AQI (US)
31st May 2026
18AQI (US)
18AQI (US)
1st June 2026
15AQI (US)
15AQI (US)
2nd June 2026
14AQI (US)
14AQI (US)
3rd June 2026
18AQI (US)
18AQI (US)
4th June 2026
22AQI (US)
22AQI (US)
5th June 2026
14AQI (US)
14AQI (US)
6th June 2026
17AQI (US)
17AQI (US)
7th June 2026
22AQI (US)
22AQI (US)
8th June 2026
22AQI (US)
22AQI (US)
9th June 2026
19AQI (US)
19AQI (US)
10th June 2026
20AQI (US)
20AQI (US)
11th June 2026
17AQI (US)
17AQI (US)
12th June 2026
19AQI (US)
19AQI (US)
13th June 2026
18AQI (US)
18AQI (US)
14th June 2026
21AQI (US)
21AQI (US)
15th June 2026
19AQI (US)
19AQI (US)
16th June 2026
18AQI (US)
18AQI (US)
17th June 2026
12AQI (US)
12AQI (US)
18th June 2026
22AQI (US)
22AQI (US)
19th June 2026
20AQI (US)
20AQI (US)
20th June 2026
17AQI (US)
17AQI (US)
21st June 2026
16AQI (US)
16AQI (US)
22nd June 2026
20AQI (US)
20AQI (US)
23rd June 2026
17AQI (US)
17AQI (US)
24th June 2026
15AQI (US)
15AQI (US)
25th June 2026
18AQI (US)
18AQI (US)
26th June 2026
14AQI (US)
14AQI (US)
27th June 2026
21AQI (US)
21AQI (US)
28th June 2026
19AQI (US)
19AQI (US)
29th June 2026
22AQI (US)
22AQI (US)
30th June 2026
39AQI (US)
39AQI (US)
1st July 2026
35AQI (US)
35AQI (US)
2nd July 2026
27AQI (US)
27AQI (US)
3rd July 2026
16AQI (US)
16AQI (US)
4th July 2026
25AQI (US)
25AQI (US)
5th July 2026
36AQI (US)
36AQI (US)
6th July 2026
43AQI (US)
43AQI (US)
7th July 2026
24AQI (US)
24AQI (US)
8th July 2026
22AQI (US)
22AQI (US)
9th July 2026
21AQI (US)
21AQI (US)
10th July 2026
25AQI (US)
25AQI (US)
11th July 2026
32AQI (US)
32AQI (US)
12th July 2026
34AQI (US)
34AQI (US)
13th July 2026
33AQI (US)
33AQI (US)
14th July 2026
27AQI (US)
27AQI (US)
15th July 2026
55AQI (US)
55AQI (US)
16th July 2026
144AQI (US)
144AQI (US)
17th July 2026
117AQI (US)
117AQI (US)
18th July 2026
80AQI (US)
80AQI (US)
19th July 2026
179AQI (US)
179AQI (US)
20th July 2026
118AQI (US)
118AQI (US)
21st July 2026
47AQI (US)
47AQI (US)
22nd July 2026
28AQI (US)
28AQI (US)
23rd July 2026
42AQI (US)
42AQI (US)
24th July 2026
39AQI (US)
39AQI (US)
25th July 2026
35AQI (US)
35AQI (US)
26th July 2026
50AQI (US)
50AQI (US)
27th July 2026
54AQI (US)
54AQI (US)
28th July 2026
46AQI (US)
46AQI (US)
29th July 2026
46AQI (US)
46AQI (US)
30th July 2026
55AQI (US)
55AQI (US)
31st July 2026
47AQI (US)
47AQI (US)
1st August 2026
52AQI (US)
52AQI (US)
2nd August 2026
45AQI (US)
45AQI (US)
3rd August 2026
42AQI (US)
42AQI (US)
4th August 2026
53AQI (US)
53AQI (US)
5th August 2026
54AQI (US)
54AQI (US)
6th August 2026
42AQI (US)
42AQI (US)
7th August 2026
8th August 2026
9th August 2026
10th August 2026
11th August 2026
12th August 2026
13th August 2026
14th August 2026
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
29AQI (US)
36AQI (US)
33AQI (US)
27AQI (US)
31AQI (US)
19AQI (US)
51AQI (US)
48AQI (US)
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202633AQI (US)
29
2
28
30
1
28
30
30
23
4
3
1
3
3
201
10
3
1
Highest AQI (US) recorded in
July51AQI (US)
Lowest AQI (US) recorded in
June19AQI (US)
202534AQI (US)
31
28
31
30
31
17
13
23
7
1
19
10
1
1
26
4
25
6
29
1
25
6
315
47
2
1
Highest AQI (US) recorded in
August50AQI (US)
Lowest AQI (US) recorded in
April25AQI (US)
202426AQI (US)
31
29
31
30
31
29
31
31
30
31
30
31
365
Highest AQI (US) recorded in
April32AQI (US)
Lowest AQI (US) recorded in
January20AQI (US)
202338AQI (US)
22
9
25
3
29
2
29
1
29
2
10
15
3
2
25
4
2
20
11
29
1
31
29
29
2
307
50
5
2
Highest AQI (US) recorded in
June74AQI (US)
Lowest AQI (US) recorded in
October22AQI (US)
202232AQI (US)
29
1
18
3
29
2
29
31
29
1
23
2
29
28
3
27
3
28
3
302
16
Highest AQI (US) recorded in
January34AQI (US)
Lowest AQI (US) recorded in
August22AQI (US)
202135AQI (US)
21
8
24
4
29
2
27
3
31
30
14
16
1
23
5
3
30
31
30
27
4
317
42
4
Highest AQI (US) recorded in
July51AQI (US)
Lowest AQI (US) recorded in
October24AQI (US)
202029AQI (US)
12
1
20
18
30
31
31
29
1
31
27
3
26
5
255
10
Highest AQI (US) recorded in
March36AQI (US)
Lowest AQI (US) recorded in
September24AQI (US)
Most & Least Polluted Years Over the Last 7 Years
Most Polluted Year Recorded
2023(Avg.)
38AQI (US)Least Polluted Year Recorded
2024(Avg.)
26AQI (US)Marshfield's annual 2026 AQI (US) (33) shows an average percentage change of 3.6% (worsened AQI (US)) compared to previous years: 2020 (29), 2021 (35), 2022 (32), 2023 (38), 2024 (26), 2025 (34).
