Greendale, 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
Greendale, Wisconsin, United States
2021
2022
2023
2024
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
1st Aug 2025
103AQILowest AQI recorded on
14th Aug 2023
18AQISame Day Analysis (1st August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 1st highest AQI at 103 of Poor air quality on the same day.
Download 2024 Annual Data
World Air Quality Report
Day & Night AQI Trend: 1st Aug - 2nd Aug 2025
Greendale, Wisconsin, United States
AQI
Day
Night
.
5 AM1st Aug 2025
8 PM
4 AM2nd Aug 2025
Day time
Avg. Highest Time
8AM1st Aug
104AQI
Avg. Lowest Time
4PM1st Aug
84AQI
Night time
Avg. Highest Time
2AM2nd Aug
128AQI
Avg. Lowest Time
9PM1st Aug
108AQI
In the last 24 hours,
Greendale's AQI reached its highest point of 128 at 2 AM during the Night, while the lowest point, 84, was recorded at 4 PM during the Day between 1st Aug and 2nd Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Greendale, Wisconsin, United States
JulAug
03rd - 04th04th - 05th05th - 06th06th - 07th07th - 08th08th - 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
Day
Night
3rd Jul 2025305 AMAQI
3rd Jul 2025346 AMAQI
3rd Jul 2025417 AMAQI
3rd Jul 2025448 AMAQI
3rd Jul 2025439 AMAQI
3rd Jul 20254110 AMAQI
3rd Jul 20254211 AMAQI
3rd Jul 20254412 PMAQI
3rd Jul 2025431 PMAQI
3rd Jul 2025432 PMAQI
3rd Jul 2025453 PMAQI
3rd Jul 2025454 PMAQI
3rd Jul 2025455 PMAQI
3rd Jul 2025446 PMAQI
3rd Jul 2025427 PMAQI
3rd Jul 2025428 PMAQI
3rd Jul 2025429 PMAQI
3rd Jul 20254310 PMAQI
3rd Jul 20254511 PMAQI
4th Jul 20254712 AMAQI
4th Jul 2025461 AMAQI
4th Jul 2025472 AMAQI
4th Jul 2025463 AMAQI
4th Jul 2025444 AMAQI
24°C17/33°C
4th Jul 2025375 AMAQI
4th Jul 2025356 AMAQI
4th Jul 2025397 AMAQI
4th Jul 2025378 AMAQI
4th Jul 2025389 AMAQI
4th Jul 20253610 AMAQI
4th Jul 20253411 AMAQI
4th Jul 20253112 PMAQI
4th Jul 2025321 PMAQI
4th Jul 2025322 PMAQI
4th Jul 2025383 PMAQI
4th Jul 2025384 PMAQI
4th Jul 2025375 PMAQI
4th Jul 2025396 PMAQI
4th Jul 2025387 PMAQI
4th Jul 2025408 PMAQI
4th Jul 2025449 PMAQI
4th Jul 20254610 PMAQI
4th Jul 20255511 PMAQI
5th Jul 20256412 AMAQI
5th Jul 2025711 AMAQI
5th Jul 2025782 AMAQI
5th Jul 2025753 AMAQI
5th Jul 2025844 AMAQI
24°C17/33°C
5th Jul 2025705 AMAQI
5th Jul 2025726 AMAQI
5th Jul 2025747 AMAQI
5th Jul 2025728 AMAQI
5th Jul 2025689 AMAQI
5th Jul 20256410 AMAQI
5th Jul 20256211 AMAQI
5th Jul 20256212 PMAQI
5th Jul 2025611 PMAQI
5th Jul 2025602 PMAQI
5th Jul 2025623 PMAQI
5th Jul 2025614 PMAQI
5th Jul 2025615 PMAQI
5th Jul 2025626 PMAQI
5th Jul 2025637 PMAQI
5th Jul 2025648 PMAQI
5th Jul 2025619 PMAQI
5th Jul 20256210 PMAQI
5th Jul 20256211 PMAQI
6th Jul 20255912 AMAQI
6th Jul 2025581 AMAQI
6th Jul 2025342 AMAQI
6th Jul 2025333 AMAQI
6th Jul 2025314 AMAQI
27°C20/35°C
6th Jul 2025315 AMAQI
6th Jul 2025306 AMAQI
6th Jul 2025367 AMAQI
6th Jul 2025398 AMAQI
6th Jul 2025369 AMAQI
6th Jul 20253510 AMAQI
6th Jul 20253111 AMAQI
6th Jul 20252912 PMAQI
6th Jul 2025281 PMAQI
6th Jul 2025282 PMAQI
6th Jul 2025323 PMAQI
6th Jul 2025334 PMAQI
6th Jul 2025325 PMAQI
6th Jul 2025356 PMAQI
6th Jul 2025407 PMAQI
6th Jul 2025438 PMAQI
6th Jul 2025469 PMAQI
6th Jul 20254610 PMAQI
6th Jul 20254411 PMAQI
7th Jul 20254512 AMAQI
7th Jul 2025421 AMAQI
7th Jul 2025432 AMAQI
7th Jul 2025443 AMAQI
7th Jul 2025454 AMAQI
22°C18/26°C
7th Jul 2025465 AMAQI
7th Jul 2025466 AMAQI
7th Jul 2025457 AMAQI
7th Jul 2025468 AMAQI
7th Jul 2025479 AMAQI
7th Jul 20254710 AMAQI
7th Jul 20254711 AMAQI
7th Jul 20255012 PMAQI
7th Jul 2025521 PMAQI
7th Jul 2025542 PMAQI
7th Jul 2025533 PMAQI
7th Jul 2025534 PMAQI
7th Jul 2025535 PMAQI
7th Jul 2025546 PMAQI
7th Jul 2025507 PMAQI
7th Jul 2025528 PMAQI
7th Jul 2025519 PMAQI
7th Jul 20255110 PMAQI
7th Jul 20255211 PMAQI
8th Jul 20255312 AMAQI
8th Jul 2025541 AMAQI
8th Jul 2025552 AMAQI
8th Jul 2025553 AMAQI
8th Jul 2025534 AMAQI
20°C17/27°C
8th Jul 2025545 AMAQI
8th Jul 2025546 AMAQI
8th Jul 2025557 AMAQI
8th Jul 2025568 AMAQI
8th Jul 2025589 AMAQI
8th Jul 20255810 AMAQI
8th Jul 20255811 AMAQI
8th Jul 20255712 PMAQI
8th Jul 2025601 PMAQI
8th Jul 2025612 PMAQI
8th Jul 2025623 PMAQI
8th Jul 2025604 PMAQI
8th Jul 2025585 PMAQI
8th Jul 2025556 PMAQI
8th Jul 2025557 PMAQI
8th Jul 2025548 PMAQI
8th Jul 2025529 PMAQI
8th Jul 20255310 PMAQI
8th Jul 20255311 PMAQI
9th Jul 20255412 AMAQI
9th Jul 2025541 AMAQI
9th Jul 2025482 AMAQI
9th Jul 2025493 AMAQI
9th Jul 2025464 AMAQI
23°C16/31°C
9th Jul 2025475 AMAQI
9th Jul 2025456 AMAQI
9th Jul 2025507 AMAQI
9th Jul 2025478 AMAQI
9th Jul 2025489 AMAQI
9th Jul 20254810 AMAQI
9th Jul 20255011 AMAQI
9th Jul 20255212 PMAQI
9th Jul 2025511 PMAQI
9th Jul 2025522 PMAQI
9th Jul 2025533 PMAQI
9th Jul 2025544 PMAQI
9th Jul 2025545 PMAQI
9th Jul 2025526 PMAQI
9th Jul 2025527 PMAQI
9th Jul 2025508 PMAQI
9th Jul 2025479 PMAQI
9th Jul 20254510 PMAQI
9th Jul 20254511 PMAQI
10th Jul 20254612 AMAQI
10th Jul 2025431 AMAQI
10th Jul 2025392 AMAQI
10th Jul 2025393 AMAQI
10th Jul 2025404 AMAQI
21°C18/24°C
10th Jul 2025395 AMAQI
10th Jul 2025426 AMAQI
10th Jul 2025447 AMAQI
10th Jul 2025428 AMAQI
10th Jul 2025409 AMAQI
10th Jul 20254010 AMAQI
10th Jul 20254211 AMAQI
10th Jul 20254412 PMAQI
10th Jul 2025431 PMAQI
10th Jul 2025422 PMAQI
10th Jul 2025443 PMAQI
10th Jul 2025454 PMAQI
10th Jul 2025435 PMAQI
10th Jul 2025416 PMAQI
10th Jul 2025427 PMAQI
10th Jul 2025428 PMAQI
10th Jul 2025399 PMAQI
10th Jul 20254010 PMAQI
10th Jul 20254111 PMAQI
11th Jul 20254012 AMAQI
11th Jul 2025381 AMAQI
11th Jul 2025342 AMAQI
11th Jul 2025343 AMAQI
11th Jul 2025344 AMAQI
19°C12/28°C
11th Jul 2025335 AMAQI
11th Jul 2025316 AMAQI
11th Jul 2025327 AMAQI
11th Jul 2025348 AMAQI
11th Jul 2025349 AMAQI
11th Jul 20253610 AMAQI
11th Jul 20253711 AMAQI
11th Jul 20253612 PMAQI
11th Jul 2025381 PMAQI
11th Jul 2025362 PMAQI
11th Jul 2025383 PMAQI
11th Jul 2025364 PMAQI
11th Jul 2025385 PMAQI
11th Jul 2025376 PMAQI
11th Jul 2025367 PMAQI
11th Jul 2025388 PMAQI
11th Jul 2025379 PMAQI
11th Jul 20253710 PMAQI
11th Jul 20253711 PMAQI
12th Jul 20253612 AMAQI
12th Jul 2025311 AMAQI
12th Jul 2025252 AMAQI
12th Jul 2025243 AMAQI
12th Jul 2025244 AMAQI
21°C17/28°C
12th Jul 2025235 AMAQI
12th Jul 2025216 AMAQI
12th Jul 2025237 AMAQI
12th Jul 2025258 AMAQI
12th Jul 2025249 AMAQI
12th Jul 20252410 AMAQI
12th Jul 20252411 AMAQI
12th Jul 20252412 PMAQI
12th Jul 2025231 PMAQI
12th Jul 2025252 PMAQI
12th Jul 2025263 PMAQI
12th Jul 2025284 PMAQI
12th Jul 2025275 PMAQI
12th Jul 2025266 PMAQI
12th Jul 2025267 PMAQI
12th Jul 2025298 PMAQI
12th Jul 2025359 PMAQI
12th Jul 20253710 PMAQI
12th Jul 20254511 PMAQI
13th Jul 20255012 AMAQI
13th Jul 2025611 AMAQI
13th Jul 2025722 AMAQI
13th Jul 2025733 AMAQI
13th Jul 2025664 AMAQI
24°C18/31°C
13th Jul 2025665 AMAQI
13th Jul 2025646 AMAQI
13th Jul 2025657 AMAQI
13th Jul 2025648 AMAQI
13th Jul 2025679 AMAQI
13th Jul 20257410 AMAQI
13th Jul 20257411 AMAQI
13th Jul 20258012 PMAQI
13th Jul 2025851 PMAQI
13th Jul 2025902 PMAQI
13th Jul 2025803 PMAQI
13th Jul 2025794 PMAQI
13th Jul 2025805 PMAQI
13th Jul 2025946 PMAQI
13th Jul 2025717 PMAQI
13th Jul 2025698 PMAQI
13th Jul 2025769 PMAQI
13th Jul 20258310 PMAQI
13th Jul 20258611 PMAQI
14th Jul 20258112 AMAQI
14th Jul 20251051 AMAQI
14th Jul 20251432 AMAQI
14th Jul 20251333 AMAQI
14th Jul 20251214 AMAQI
21°C15/27°C
14th Jul 20251025 AMAQI
14th Jul 2025946 AMAQI
14th Jul 20251007 AMAQI
14th Jul 20251008 AMAQI
14th Jul 2025909 AMAQI
14th Jul 20258310 AMAQI
14th Jul 20258211 AMAQI
14th Jul 20258012 PMAQI
14th Jul 2025801 PMAQI
14th Jul 2025792 PMAQI
14th Jul 2025883 PMAQI
14th Jul 2025844 PMAQI
14th Jul 2025865 PMAQI
14th Jul 2025866 PMAQI
14th Jul 2025867 PMAQI
14th Jul 2025888 PMAQI
14th Jul 2025839 PMAQI
14th Jul 20258510 PMAQI
14th Jul 20258211 PMAQI
15th Jul 20258012 AMAQI
15th Jul 2025841 AMAQI
15th Jul 2025702 AMAQI
15th Jul 2025693 AMAQI
15th Jul 2025684 AMAQI
23°C15/30°C
15th Jul 2025685 AMAQI
15th Jul 2025716 AMAQI
15th Jul 2025727 AMAQI
15th Jul 2025738 AMAQI
15th Jul 2025729 AMAQI
15th Jul 20257010 AMAQI
15th Jul 20257111 AMAQI
15th Jul 20257112 PMAQI
15th Jul 2025671 PMAQI
15th Jul 2025662 PMAQI
15th Jul 2025713 PMAQI
15th Jul 2025704 PMAQI
15th Jul 2025705 PMAQI
15th Jul 2025706 PMAQI
15th Jul 2025727 PMAQI
15th Jul 2025708 PMAQI
15th Jul 2025699 PMAQI
15th Jul 20256910 PMAQI
15th Jul 20256911 PMAQI
16th Jul 20256812 AMAQI
16th Jul 2025641 AMAQI
16th Jul 2025612 AMAQI
16th Jul 2025613 AMAQI
16th Jul 2025594 AMAQI
24°C17/30°C
16th Jul 2025595 AMAQI
16th Jul 2025606 AMAQI
16th Jul 2025657 AMAQI
16th Jul 2025618 AMAQI
16th Jul 2025589 AMAQI
16th Jul 20255610 AMAQI
16th Jul 20255511 AMAQI
16th Jul 20255312 PMAQI
16th Jul 2025531 PMAQI
16th Jul 2025532 PMAQI
16th Jul 2025563 PMAQI
16th Jul 2025564 PMAQI
16th Jul 2025565 PMAQI
16th Jul 2025546 PMAQI
16th Jul 2025587 PMAQI
16th Jul 2025588 PMAQI
16th Jul 2025539 PMAQI
16th Jul 20255210 PMAQI
16th Jul 20254911 PMAQI
17th Jul 20254412 AMAQI
17th Jul 2025361 AMAQI
17th Jul 2025282 AMAQI
17th Jul 2025163 AMAQI
17th Jul 2025164 AMAQI
25°C20/30°C
17th Jul 2025165 AMAQI
17th Jul 2025166 AMAQI
17th Jul 2025187 AMAQI
17th Jul 2025188 AMAQI
17th Jul 2025189 AMAQI
17th Jul 20251910 AMAQI
17th Jul 20252011 AMAQI
17th Jul 20252012 PMAQI
17th Jul 2025191 PMAQI
17th Jul 2025192 PMAQI
17th Jul 2025203 PMAQI
17th Jul 2025214 PMAQI
17th Jul 2025225 PMAQI
17th Jul 2025226 PMAQI
17th Jul 2025217 PMAQI
17th Jul 2025218 PMAQI
17th Jul 2025209 PMAQI
17th Jul 20252010 PMAQI
17th Jul 20252011 PMAQI
18th Jul 20251812 AMAQI
18th Jul 2025171 AMAQI
18th Jul 2025182 AMAQI
18th Jul 2025173 AMAQI
18th Jul 2025184 AMAQI
18°C14/20°C
18th Jul 2025205 AMAQI
18th Jul 2025196 AMAQI
18th Jul 2025237 AMAQI
18th Jul 2025198 AMAQI
18th Jul 2025209 AMAQI
18th Jul 20251810 AMAQI
18th Jul 20251811 AMAQI
18th Jul 20251812 PMAQI
18th Jul 2025181 PMAQI
18th Jul 2025182 PMAQI
18th Jul 2025173 PMAQI
18th Jul 2025194 PMAQI
18th Jul 2025195 PMAQI
18th Jul 2025206 PMAQI
18th Jul 2025197 PMAQI
18th Jul 2025208 PMAQI
18th Jul 2025229 PMAQI
18th Jul 20252410 PMAQI
18th Jul 20252411 PMAQI
19th Jul 20252612 AMAQI
19th Jul 2025261 AMAQI
19th Jul 2025272 AMAQI
19th Jul 2025293 AMAQI
19th Jul 2025344 AMAQI
18°C11/23°C
19th Jul 2025355 AMAQI
19th Jul 2025336 AMAQI
19th Jul 2025327 AMAQI
19th Jul 2025338 AMAQI
19th Jul 2025329 AMAQI
19th Jul 20253010 AMAQI
19th Jul 20252911 AMAQI
19th Jul 20252812 PMAQI
19th Jul 2025281 PMAQI
19th Jul 2025292 PMAQI
19th Jul 2025293 PMAQI
19th Jul 2025284 PMAQI
19th Jul 2025275 PMAQI
19th Jul 2025276 PMAQI
19th Jul 2025297 PMAQI
19th Jul 2025298 PMAQI
19th Jul 2025279 PMAQI
19th Jul 20252710 PMAQI
19th Jul 20252711 PMAQI
20th Jul 20252812 AMAQI
20th Jul 2025291 AMAQI
20th Jul 2025272 AMAQI
20th Jul 2025243 AMAQI
20th Jul 2025224 AMAQI
22°C16/26°C
20th Jul 2025225 AMAQI
20th Jul 2025226 AMAQI
20th Jul 2025247 AMAQI
20th Jul 2025248 AMAQI
20th Jul 2025249 AMAQI
20th Jul 20252210 AMAQI
20th Jul 20252211 AMAQI
20th Jul 20252312 PMAQI
20th Jul 2025221 PMAQI
20th Jul 2025222 PMAQI
20th Jul 2025243 PMAQI
20th Jul 2025264 PMAQI
20th Jul 2025275 PMAQI
20th Jul 2025296 PMAQI
20th Jul 2025277 PMAQI
20th Jul 2025308 PMAQI
20th Jul 2025499 PMAQI
20th Jul 20255010 PMAQI
20th Jul 20255111 PMAQI
21st Jul 20255412 AMAQI
21st Jul 2025561 AMAQI
21st Jul 2025942 AMAQI
21st Jul 20251183 AMAQI
21st Jul 20251294 AMAQI
20°C16/24°C
21st Jul 20251365 AMAQI
21st Jul 20251366 AMAQI
21st Jul 20251187 AMAQI
21st Jul 20251228 AMAQI
21st Jul 20251079 AMAQI
21st Jul 20259010 AMAQI
21st Jul 20258711 AMAQI
21st Jul 20258012 PMAQI
21st Jul 2025771 PMAQI
21st Jul 2025772 PMAQI
21st Jul 2025803 PMAQI
21st Jul 2025784 PMAQI
21st Jul 2025805 PMAQI
21st Jul 2025806 PMAQI
21st Jul 2025867 PMAQI
21st Jul 2025828 PMAQI
21st Jul 2025749 PMAQI
21st Jul 20257810 PMAQI
21st Jul 20258011 PMAQI
22nd Jul 20257712 AMAQI
22nd Jul 2025641 AMAQI
22nd Jul 2025522 AMAQI
22nd Jul 2025533 AMAQI
22nd Jul 2025544 AMAQI
19°C15/23°C
22nd Jul 2025525 AMAQI
22nd Jul 2025526 AMAQI
22nd Jul 2025557 AMAQI
22nd Jul 2025568 AMAQI
22nd Jul 2025589 AMAQI
22nd Jul 20256110 AMAQI
22nd Jul 20256811 AMAQI
22nd Jul 20257112 PMAQI
22nd Jul 2025701 PMAQI
22nd Jul 2025692 PMAQI
22nd Jul 2025653 PMAQI
22nd Jul 2025654 PMAQI
22nd Jul 2025655 PMAQI
22nd Jul 2025656 PMAQI
22nd Jul 2025597 PMAQI
22nd Jul 2025608 PMAQI
22nd Jul 2025629 PMAQI
22nd Jul 20256310 PMAQI
22nd Jul 20256311 PMAQI
23rd Jul 20256312 AMAQI
23rd Jul 2025621 AMAQI
23rd Jul 2025602 AMAQI
23rd Jul 2025583 AMAQI
23rd Jul 2025584 AMAQI
22°C15/30°C
23rd Jul 2025595 AMAQI
23rd Jul 2025596 AMAQI
23rd Jul 2025607 AMAQI
23rd Jul 2025598 AMAQI
23rd Jul 2025609 AMAQI
23rd Jul 20256110 AMAQI
23rd Jul 20256011 AMAQI
23rd Jul 20256012 PMAQI
23rd Jul 2025601 PMAQI
23rd Jul 2025612 PMAQI
23rd Jul 2025613 PMAQI
23rd Jul 2025604 PMAQI
23rd Jul 2025615 PMAQI
23rd Jul 2025606 PMAQI
23rd Jul 2025607 PMAQI
23rd Jul 2025608 PMAQI
23rd Jul 2025599 PMAQI
23rd Jul 20255910 PMAQI
23rd Jul 20255811 PMAQI
24th Jul 20255812 AMAQI
24th Jul 2025581 AMAQI
24th Jul 2025542 AMAQI
24th Jul 2025543 AMAQI
24th Jul 2025544 AMAQI
26°C18/34°C
24th Jul 2025545 AMAQI
24th Jul 2025556 AMAQI
24th Jul 2025567 AMAQI
24th Jul 2025558 AMAQI
24th Jul 2025559 AMAQI
24th Jul 20255410 AMAQI
24th Jul 20255111 AMAQI
24th Jul 20254512 PMAQI
24th Jul 2025411 PMAQI
24th Jul 2025422 PMAQI
24th Jul 2025513 PMAQI
24th Jul 2025514 PMAQI
24th Jul 2025505 PMAQI
24th Jul 2025486 PMAQI
24th Jul 2025537 PMAQI
24th Jul 2025528 PMAQI
24th Jul 2025429 PMAQI
24th Jul 20254010 PMAQI
24th Jul 20254311 PMAQI
25th Jul 20254012 AMAQI
25th Jul 2025381 AMAQI
25th Jul 2025262 AMAQI
25th Jul 2025183 AMAQI
25th Jul 2025184 AMAQI
27°C22/34°C
25th Jul 2025185 AMAQI
25th Jul 2025196 AMAQI
25th Jul 2025207 AMAQI
25th Jul 2025228 AMAQI
25th Jul 2025229 AMAQI
25th Jul 20252210 AMAQI
25th Jul 20252311 AMAQI
25th Jul 20252412 PMAQI
25th Jul 2025271 PMAQI
25th Jul 2025332 PMAQI
25th Jul 2025343 PMAQI
25th Jul 2025354 PMAQI
25th Jul 2025405 PMAQI
25th Jul 2025486 PMAQI
25th Jul 2025307 PMAQI
25th Jul 2025328 PMAQI
25th Jul 2025499 PMAQI
25th Jul 20255210 PMAQI
25th Jul 20255511 PMAQI
26th Jul 20255812 AMAQI
26th Jul 2025881 AMAQI
26th Jul 20251242 AMAQI
26th Jul 2025923 AMAQI
26th Jul 20251064 AMAQI
22°C20/26°C
26th Jul 20251025 AMAQI
26th Jul 20251146 AMAQI
26th Jul 2025997 AMAQI
26th Jul 2025938 AMAQI
26th Jul 2025829 AMAQI
26th Jul 20257110 AMAQI
26th Jul 20256611 AMAQI
26th Jul 20256612 PMAQI
26th Jul 2025611 PMAQI
26th Jul 2025592 PMAQI
26th Jul 2025663 PMAQI
26th Jul 2025624 PMAQI
26th Jul 2025655 PMAQI
26th Jul 2025646 PMAQI
26th Jul 2025737 PMAQI
26th Jul 2025798 PMAQI
26th Jul 2025619 PMAQI
26th Jul 20256210 PMAQI
26th Jul 20256111 PMAQI
27th Jul 20256012 AMAQI
27th Jul 2025571 AMAQI
27th Jul 2025242 AMAQI
27th Jul 2025253 AMAQI
27th Jul 2025264 AMAQI
23°C19/27°C
27th Jul 2025265 AMAQI
27th Jul 2025286 AMAQI
27th Jul 2025287 AMAQI
27th Jul 2025268 AMAQI
27th Jul 2025269 AMAQI
27th Jul 20252710 AMAQI
27th Jul 20252811 AMAQI
27th Jul 20253112 PMAQI
27th Jul 2025311 PMAQI
27th Jul 2025322 PMAQI
27th Jul 2025323 PMAQI
27th Jul 2025324 PMAQI
27th Jul 2025335 PMAQI
27th Jul 2025346 PMAQI
27th Jul 2025317 PMAQI
27th Jul 2025308 PMAQI
27th Jul 2025329 PMAQI
27th Jul 20253210 PMAQI
27th Jul 20253211 PMAQI
28th Jul 20253112 AMAQI
28th Jul 2025301 AMAQI
28th Jul 2025262 AMAQI
28th Jul 2025243 AMAQI
28th Jul 2025254 AMAQI
26°C18/34°C
28th Jul 2025275 AMAQI
28th Jul 2025316 AMAQI
28th Jul 2025337 AMAQI
28th Jul 2025338 AMAQI
28th Jul 2025319 AMAQI
28th Jul 20253410 AMAQI
28th Jul 20253211 AMAQI
28th Jul 20253312 PMAQI
28th Jul 2025341 PMAQI
28th Jul 2025342 PMAQI
28th Jul 2025353 PMAQI
28th Jul 2025344 PMAQI
28th Jul 2025335 PMAQI
28th Jul 2025336 PMAQI
28th Jul 2025327 PMAQI
28th Jul 2025328 PMAQI
28th Jul 2025349 PMAQI
28th Jul 20253610 PMAQI
28th Jul 20253411 PMAQI
29th Jul 20253312 AMAQI
29th Jul 2025331 AMAQI
29th Jul 2025342 AMAQI
29th Jul 2025373 AMAQI
29th Jul 2025374 AMAQI
27°C19/35°C
29th Jul 2025365 AMAQI
29th Jul 2025386 AMAQI
29th Jul 2025397 AMAQI
29th Jul 2025388 AMAQI
29th Jul 2025389 AMAQI
29th Jul 20253710 AMAQI
29th Jul 20253611 AMAQI
29th Jul 20253612 PMAQI
29th Jul 2025381 PMAQI
29th Jul 2025382 PMAQI
29th Jul 2025403 PMAQI
29th Jul 2025394 PMAQI
29th Jul 2025405 PMAQI
29th Jul 2025416 PMAQI
29th Jul 2025397 PMAQI
29th Jul 2025388 PMAQI
29th Jul 2025419 PMAQI
29th Jul 20254110 PMAQI
29th Jul 20254211 PMAQI
30th Jul 20254312 AMAQI
30th Jul 2025461 AMAQI
30th Jul 2025472 AMAQI
30th Jul 2025463 AMAQI
30th Jul 2025464 AMAQI
27°C20/35°C
30th Jul 2025485 AMAQI
30th Jul 2025496 AMAQI
30th Jul 2025487 AMAQI
30th Jul 2025448 AMAQI
30th Jul 2025469 AMAQI
30th Jul 20254610 AMAQI
30th Jul 20254411 AMAQI
30th Jul 20254112 PMAQI
30th Jul 2025421 PMAQI
30th Jul 2025522 PMAQI
30th Jul 2025523 PMAQI
30th Jul 2025524 PMAQI
30th Jul 2025525 PMAQI
30th Jul 2025526 PMAQI
30th Jul 2025527 PMAQI
30th Jul 2025528 PMAQI
30th Jul 2025619 PMAQI
30th Jul 20256310 PMAQI
30th Jul 20256611 PMAQI
31st Jul 20257812 AMAQI
31st Jul 2025821 AMAQI
31st Jul 20251372 AMAQI
31st Jul 20251433 AMAQI
31st Jul 20251544 AMAQI
22°C19/24°C
31st Jul 20251605 AMAQI
31st Jul 20251626 AMAQI
31st Jul 20251697 AMAQI
31st Jul 20251748 AMAQI
31st Jul 20251749 AMAQI
31st Jul 202518310 AMAQI
31st Jul 202517911 AMAQI
31st Jul 202518112 PMAQI
31st Jul 20251791 PMAQI
31st Jul 20251792 PMAQI
31st Jul 20251723 PMAQI
31st Jul 20251714 PMAQI
31st Jul 20251695 PMAQI
31st Jul 20251606 PMAQI
31st Jul 20251637 PMAQI
31st Jul 20251598 PMAQI
31st Jul 20251509 PMAQI
31st Jul 202515310 PMAQI
31st Jul 202513811 PMAQI
1st Aug 202513212 AMAQI
1st Aug 20251161 AMAQI
1st Aug 20251052 AMAQI
1st Aug 20251053 AMAQI
1st Aug 20251054 AMAQI
20°C17/25°C
1st Aug 20251035 AMAQI
1st Aug 2025986 AMAQI
1st Aug 2025947 AMAQI
1st Aug 20251048 AMAQI
1st Aug 2025999 AMAQI
1st Aug 202510410 AMAQI
1st Aug 20259911 AMAQI
1st Aug 20259712 PMAQI
1st Aug 2025891 PMAQI
1st Aug 2025942 PMAQI
1st Aug 2025923 PMAQI
1st Aug 2025844 PMAQI
1st Aug 2025975 PMAQI
1st Aug 2025966 PMAQI
1st Aug 20251037 PMAQI
1st Aug 20251038 PMAQI
1st Aug 20251089 PMAQI
1st Aug 202511810 PMAQI
1st Aug 202511611 PMAQI
2nd Aug 202512612 AMAQI
2nd Aug 20251171 AMAQI
2nd Aug 20251282 AMAQI
2nd Aug 20251173 AMAQI
2nd Aug 20251144 AMAQI
19°C15/25°C
2nd Aug 20251245 AMAQI
5 AM2nd Aug 20251206 AMAQI
2nd Aug 20251107 AMAQI
2nd Aug 20251118 AMAQI
12 PM
8 PM
12 AM
4 AM
--°C/°C
Day time
Avg. Highest Time
5 AM - 8 AM
57AQI
4 hours / Day
120 hours / Month
Avg. Lowest Time
9 AM - 8 PM
53AQI
12 hours / Day
360 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 5 AM to 8 AM (Avg. 57), while the lowest AQI was between 9 AM to 8 PM (Avg. 53).
Night time
Avg. Highest Time
12 AM - 4 AM
57AQI
5 hours / Day
150 hours / Month
Avg. Lowest Time
9 PM - 11 PM
55AQI
3 hours / Day
90 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 12 AM to 4 AM (Avg. 57), while the lowest AQI was between 9 PM to 11 PM (Avg. 55).
2025 Days Vs Air Quality
Greendale, Wisconsin, United States
2025
87%
186
11%
24
0.9%
2
0.4%
1
Total number of days with different AQI categories in last 214 days in 2025 (151 days remaining)
Good
186 DaysModerate
24 DaysPoor
2 DaysUnhealthy
1 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 87%
Health Risk Level:
Low
In 2025, 87% of 214 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
Greendale, 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 January 2025
23AQI
23AQI
2nd January 2025
28AQI
28AQI
3rd January 2025
24AQI
24AQI
4th January 2025
20AQI
20AQI
5th January 2025
20AQI
20AQI
6th January 2025
23AQI
23AQI
7th January 2025
38AQI
38AQI
8th January 2025
32AQI
32AQI
9th January 2025
50AQI
50AQI
10th January 2025
69AQI
69AQI
11th January 2025
45AQI
45AQI
12th January 2025
45AQI
45AQI
13th January 2025
24AQI
24AQI
14th January 2025
39AQI
39AQI
15th January 2025
38AQI
38AQI
16th January 2025
34AQI
34AQI
17th January 2025
28AQI
28AQI
18th January 2025
21AQI
21AQI
19th January 2025
20AQI
20AQI
20th January 2025
21AQI
21AQI
21st January 2025
24AQI
24AQI
22nd January 2025
26AQI
26AQI
23rd January 2025
42AQI
42AQI
24th January 2025
45AQI
45AQI
25th January 2025
36AQI
36AQI
26th January 2025
22AQI
22AQI
27th January 2025
28AQI
28AQI
28th January 2025
31AQI
31AQI
29th January 2025
22AQI
22AQI
30th January 2025
34AQI
34AQI
31st January 2025
42AQI
42AQI
1st February 2025
20AQI
20AQI
2nd February 2025
43AQI
43AQI
3rd February 2025
38AQI
38AQI
4th February 2025
24AQI
24AQI
5th February 2025
22AQI
22AQI
6th February 2025
31AQI
31AQI
7th February 2025
25AQI
25AQI
8th February 2025
30AQI
30AQI
9th February 2025
45AQI
45AQI
10th February 2025
39AQI
39AQI
11th February 2025
42AQI
42AQI
12th February 2025
34AQI
34AQI
13th February 2025
35AQI
35AQI
14th February 2025
49AQI
49AQI
15th February 2025
46AQI
46AQI
16th February 2025
27AQI
27AQI
17th February 2025
34AQI
34AQI
18th February 2025
28AQI
28AQI
19th February 2025
30AQI
30AQI
20th February 2025
28AQI
28AQI
21st February 2025
33AQI
33AQI
22nd February 2025
39AQI
39AQI
23rd February 2025
64AQI
64AQI
24th February 2025
40AQI
40AQI
25th February 2025
26AQI
26AQI
26th February 2025
40AQI
40AQI
27th February 2025
37AQI
37AQI
28th February 2025
22AQI
22AQI
1st March 2025
22AQI
22AQI
2nd March 2025
23AQI
23AQI
3rd March 2025
37AQI
37AQI
4th March 2025
37AQI
37AQI
5th March 2025
27AQI
27AQI
6th March 2025
20AQI
20AQI
7th March 2025
27AQI
27AQI
8th March 2025
23AQI
23AQI
9th March 2025
21AQI
21AQI
10th March 2025
23AQI
23AQI
11th March 2025
22AQI
22AQI
12th March 2025
21AQI
21AQI
13th March 2025
37AQI
37AQI
14th March 2025
47AQI
47AQI
15th March 2025
71AQI
71AQI
16th March 2025
17AQI
17AQI
17th March 2025
21AQI
21AQI
18th March 2025
26AQI
26AQI
19th March 2025
24AQI
24AQI
20th March 2025
16AQI
16AQI
21st March 2025
22AQI
22AQI
22nd March 2025
16AQI
16AQI
23rd March 2025
21AQI
21AQI
24th March 2025
19AQI
19AQI
25th March 2025
22AQI
22AQI
26th March 2025
23AQI
23AQI
27th March 2025
34AQI
34AQI
28th March 2025
43AQI
43AQI
29th March 2025
19AQI
19AQI
30th March 2025
17AQI
17AQI
31st March 2025
16AQI
16AQI
1st April 2025
16AQI
16AQI
2nd April 2025
26AQI
26AQI
3rd April 2025
19AQI
19AQI
4th April 2025
21AQI
21AQI
5th April 2025
20AQI
20AQI
6th April 2025
21AQI
21AQI
7th April 2025
24AQI
24AQI
8th April 2025
16AQI
16AQI
9th April 2025
31AQI
31AQI
10th April 2025
39AQI
39AQI
11th April 2025
46AQI
46AQI
12th April 2025
49AQI
49AQI
13th April 2025
38AQI
38AQI
14th April 2025
28AQI
28AQI
15th April 2025
14AQI
14AQI
16th April 2025
16AQI
16AQI
17th April 2025
29AQI
29AQI
18th April 2025
50AQI
50AQI
19th April 2025
32AQI
32AQI
20th April 2025
25AQI
25AQI
21st April 2025
15AQI
15AQI
22nd April 2025
20AQI
20AQI
23rd April 2025
33AQI
33AQI
24th April 2025
37AQI
37AQI
25th April 2025
19AQI
19AQI
26th April 2025
15AQI
15AQI
27th April 2025
26AQI
26AQI
28th April 2025
31AQI
31AQI
29th April 2025
27AQI
27AQI
30th April 2025
15AQI
15AQI
1st May 2025
22AQI
22AQI
2nd May 2025
20AQI
20AQI
3rd May 2025
14AQI
14AQI
4th May 2025
18AQI
18AQI
5th May 2025
22AQI
22AQI
6th May 2025
31AQI
31AQI
7th May 2025
29AQI
29AQI
8th May 2025
15AQI
15AQI
9th May 2025
19AQI
19AQI
10th May 2025
25AQI
25AQI
11th May 2025
18AQI
18AQI
12th May 2025
30AQI
30AQI
13th May 2025
27AQI
27AQI
14th May 2025
26AQI
26AQI
15th May 2025
38AQI
38AQI
16th May 2025
31AQI
31AQI
17th May 2025
17AQI
17AQI
18th May 2025
17AQI
17AQI
19th May 2025
14AQI
14AQI
20th May 2025
18AQI
18AQI
21st May 2025
17AQI
17AQI
22nd May 2025
14AQI
14AQI
23rd May 2025
14AQI
14AQI
24th May 2025
15AQI
15AQI
25th May 2025
17AQI
17AQI
26th May 2025
27AQI
27AQI
27th May 2025
21AQI
21AQI
28th May 2025
27AQI
27AQI
29th May 2025
28AQI
28AQI
30th May 2025
43AQI
43AQI
31st May 2025
32AQI
32AQI
1st June 2025
23AQI
23AQI
2nd June 2025
32AQI
32AQI
3rd June 2025
52AQI
52AQI
4th June 2025
85AQI
85AQI
5th June 2025
101AQI
101AQI
6th June 2025
79AQI
79AQI
7th June 2025
69AQI
69AQI
8th June 2025
72AQI
72AQI
9th June 2025
73AQI
73AQI
10th June 2025
64AQI
64AQI
11th June 2025
74AQI
74AQI
12th June 2025
81AQI
81AQI
13th June 2025
45AQI
45AQI
14th June 2025
34AQI
34AQI
15th June 2025
38AQI
38AQI
16th June 2025
49AQI
49AQI
17th June 2025
47AQI
47AQI
18th June 2025
32AQI
32AQI
19th June 2025
30AQI
30AQI
20th June 2025
37AQI
37AQI
21st June 2025
37AQI
37AQI
22nd June 2025
38AQI
38AQI
23rd June 2025
54AQI
54AQI
24th June 2025
28AQI
28AQI
25th June 2025
32AQI
32AQI
26th June 2025
35AQI
35AQI
27th June 2025
28AQI
28AQI
28th June 2025
22AQI
22AQI
29th June 2025
27AQI
27AQI
30th June 2025
27AQI
27AQI
1st July 2025
30AQI
30AQI
2nd July 2025
50AQI
50AQI
3rd July 2025
42AQI
42AQI
4th July 2025
41AQI
41AQI
5th July 2025
67AQI
67AQI
6th July 2025
38AQI
38AQI
7th July 2025
48AQI
48AQI
8th July 2025
55AQI
55AQI
9th July 2025
50AQI
50AQI
10th July 2025
41AQI
41AQI
11th July 2025
36AQI
36AQI
12th July 2025
28AQI
28AQI
13th July 2025
73AQI
73AQI
14th July 2025
95AQI
95AQI
15th July 2025
71AQI
71AQI
16th July 2025
58AQI
58AQI
17th July 2025
22AQI
22AQI
18th July 2025
19AQI
19AQI
19th July 2025
29AQI
29AQI
20th July 2025
29AQI
29AQI
21st July 2025
91AQI
91AQI
22nd July 2025
61AQI
61AQI
23rd July 2025
60AQI
60AQI
24th July 2025
51AQI
51AQI
25th July 2025
32AQI
32AQI
26th July 2025
79AQI
79AQI
27th July 2025
32AQI
32AQI
28th July 2025
31AQI
31AQI
29th July 2025
38AQI
38AQI
30th July 2025
50AQI
50AQI
31st July 2025
153AQI
153AQI
1st August 2025
103AQI
103AQI
32AQI
35AQI
26AQI
27AQI
23AQI
48AQI
52AQI
103AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202535AQI
30
1
27
1
30
1
30
31
19
10
1
19
11
1
1
186
24
2
1
Highest AQI recorded in
August103AQI
Lowest AQI recorded in
May23AQI
202432AQI
28
3
23
6
29
2
30
31
29
31
29
2
30
29
2
29
1
29
2
347
18
Highest AQI recorded in
January38AQI
Lowest AQI recorded in
November29AQI
202342AQI
18
13
22
6
25
6
25
5
27
4
6
20
1
2
1
21
9
1
21
10
30
29
2
26
3
28
3
278
81
2
2
1
Highest AQI recorded in
June82AQI
Lowest AQI recorded in
October29AQI
202239AQI
19
12
12
9
25
6
24
1
27
4
28
2
23
1
28
1
25
6
21
9
21
10
254
60
Highest AQI recorded in
January49AQI
Lowest AQI recorded in
September31AQI
202141AQI
17
13
15
13
26
5
24
6
28
3
29
1
16
15
24
7
30
29
2
26
4
23
8
287
77
Highest AQI recorded in
February52AQI
Lowest AQI recorded in
September32AQI
202036AQI
11
2
17
3
18
26
4
27
4
31
27
3
31
23
7
22
9
233
32
Highest AQI recorded in
December41AQI
Lowest AQI recorded in
September31AQI
Most & Least Polluted Years Over the Last 6 Years
Most Polluted Year Recorded
2023(Avg.)
42AQILeast Polluted Year Recorded
2024(Avg.)
32AQIGreendale's annual 2025 AQI (35) shows an average percentage change of -6.9% (improved AQI) compared to previous years: 2020 (36), 2021 (41), 2022 (39), 2023 (42), 2024 (32).
