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HistoryAQIPM2.5PM10COSO2NO2O3

Port Washington, 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+

July Air Quality Analysis

Port Washington, Wisconsin, United States

2021
2022
2023
2024
2025
AQI
.
Days

AQI Trends: Highest and Lowest

Highest AQI recorded on
25th Jul 2023
116AQI
Lowest AQI recorded on
18th Jul 2025
16AQI

Same Day Analysis (30th July ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 1st highest AQI at 54 of Moderate air quality on the same day.

Download 2024 Annual Data

World Air Quality Report

Globe

Day & Night AQI Trend: 30th Jul - 31st Jul 2025

Port Washington, Wisconsin, United States

AQI
Day
Night
.

5 AM30th Jul 2025

8 PM

4 AM31st Jul 2025

Day time
Avg. Highest Time
3PM30th Jul

75AQI

Avg. Lowest Time
5AM30th Jul

44AQI

Night time
Avg. Highest Time
4AM31st Jul

155AQI

Avg. Lowest Time
10PM30th Jul

64AQI

In the last 24 hours,

Port Washington's AQI reached its highest point of 155 at 4 AM during the Night, while the lowest point, 44, was recorded at 5 AM during the Day between 30th Jul and 31st Jul 2025.

Day & Night AQI Trend : Jul 2025

Port Washington, Wisconsin, United States

Jul
01st - 02nd02nd - 03rd03rd - 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
Day
Night
1st Jul 2025215 AMAQI
1st Jul 2025226 AMAQI
1st Jul 2025227 AMAQI
1st Jul 2025228 AMAQI
1st Jul 2025249 AMAQI
1st Jul 20252510 AMAQI
1st Jul 20252611 AMAQI
1st Jul 20252712 PMAQI
1st Jul 2025301 PMAQI
1st Jul 2025312 PMAQI
1st Jul 2025303 PMAQI
1st Jul 2025304 PMAQI
1st Jul 2025315 PMAQI
1st Jul 2025326 PMAQI
1st Jul 2025287 PMAQI
1st Jul 2025288 PMAQI
1st Jul 2025339 PMAQI
1st Jul 20253310 PMAQI
1st Jul 20253411 PMAQI
2nd Jul 20253812 AMAQI
2nd Jul 2025421 AMAQI
2nd Jul 2025452 AMAQI
2nd Jul 2025463 AMAQI
2nd Jul 2025454 AMAQI

23°C16/30°C

2nd Jul 2025445 AMAQI
2nd Jul 2025466 AMAQI
2nd Jul 2025477 AMAQI
2nd Jul 2025478 AMAQI
2nd Jul 2025479 AMAQI
2nd Jul 20254710 AMAQI
2nd Jul 20254711 AMAQI
2nd Jul 20254412 PMAQI
2nd Jul 2025421 PMAQI
2nd Jul 2025412 PMAQI
2nd Jul 2025413 PMAQI
2nd Jul 2025414 PMAQI
2nd Jul 2025415 PMAQI
2nd Jul 2025416 PMAQI
2nd Jul 2025437 PMAQI
2nd Jul 2025448 PMAQI
2nd Jul 2025429 PMAQI
2nd Jul 20254210 PMAQI
2nd Jul 20254211 PMAQI
3rd Jul 20254212 AMAQI
3rd Jul 2025421 AMAQI
3rd Jul 2025422 AMAQI
3rd Jul 2025423 AMAQI
3rd Jul 2025284 AMAQI

24°C17/31°C

3rd Jul 2025305 AMAQI
3rd Jul 2025336 AMAQI
3rd Jul 2025387 AMAQI
3rd Jul 2025378 AMAQI
3rd Jul 2025369 AMAQI
3rd Jul 20253610 AMAQI
3rd Jul 20253411 AMAQI
3rd Jul 20253712 PMAQI
3rd Jul 2025371 PMAQI
3rd Jul 2025382 PMAQI
3rd Jul 2025423 PMAQI
3rd Jul 2025424 PMAQI
3rd Jul 2025445 PMAQI
3rd Jul 2025446 PMAQI
3rd Jul 2025407 PMAQI
3rd Jul 2025408 PMAQI
3rd Jul 2025419 PMAQI
3rd Jul 20254210 PMAQI
3rd Jul 20254711 PMAQI
4th Jul 20254712 AMAQI
4th Jul 2025481 AMAQI
4th Jul 2025502 AMAQI
4th Jul 2025483 AMAQI
4th Jul 2025474 AMAQI

22°C17/29°C

4th Jul 2025445 AMAQI
4th Jul 2025486 AMAQI
4th Jul 2025477 AMAQI
4th Jul 2025408 AMAQI
4th Jul 2025369 AMAQI
4th Jul 20253410 AMAQI
4th Jul 20253511 AMAQI
4th Jul 20253312 PMAQI
4th Jul 2025341 PMAQI
4th Jul 2025342 PMAQI
4th Jul 2025393 PMAQI
4th Jul 2025394 PMAQI
4th Jul 2025385 PMAQI
4th Jul 2025396 PMAQI
4th Jul 2025417 PMAQI
4th Jul 2025428 PMAQI
4th Jul 2025449 PMAQI
4th Jul 20254510 PMAQI
4th Jul 20254911 PMAQI
5th Jul 20255212 AMAQI
5th Jul 2025601 AMAQI
5th Jul 2025662 AMAQI
5th Jul 2025693 AMAQI
5th Jul 2025704 AMAQI

24°C15/33°C

5th Jul 2025685 AMAQI
5th Jul 2025676 AMAQI
5th Jul 2025667 AMAQI
5th Jul 2025648 AMAQI
5th Jul 2025609 AMAQI
5th Jul 20255810 AMAQI
5th Jul 20255811 AMAQI
5th Jul 20255812 PMAQI
5th Jul 2025561 PMAQI
5th Jul 2025562 PMAQI
5th Jul 2025603 PMAQI
5th Jul 2025594 PMAQI
5th Jul 2025595 PMAQI
5th Jul 2025596 PMAQI
5th Jul 2025607 PMAQI
5th Jul 2025608 PMAQI
5th Jul 2025599 PMAQI
5th Jul 20255910 PMAQI
5th Jul 20255911 PMAQI
6th Jul 20255712 AMAQI
6th Jul 2025581 AMAQI
6th Jul 2025262 AMAQI
6th Jul 2025273 AMAQI
6th Jul 2025264 AMAQI

27°C21/34°C

6th Jul 2025265 AMAQI
6th Jul 2025246 AMAQI
6th Jul 2025327 AMAQI
6th Jul 2025328 AMAQI
6th Jul 2025319 AMAQI
6th Jul 20253010 AMAQI
6th Jul 20252911 AMAQI
6th Jul 20252612 PMAQI
6th Jul 2025271 PMAQI
6th Jul 2025282 PMAQI
6th Jul 2025313 PMAQI
6th Jul 2025334 PMAQI
6th Jul 2025335 PMAQI
6th Jul 2025386 PMAQI
6th Jul 2025387 PMAQI
6th Jul 2025388 PMAQI
6th Jul 2025439 PMAQI
6th Jul 20254210 PMAQI
6th Jul 20254311 PMAQI
7th Jul 20254412 AMAQI
7th Jul 2025421 AMAQI
7th Jul 2025382 AMAQI
7th Jul 2025373 AMAQI
7th Jul 2025364 AMAQI

21°C18/23°C

7th Jul 2025405 AMAQI
7th Jul 2025376 AMAQI
7th Jul 2025387 AMAQI
7th Jul 2025388 AMAQI
7th Jul 2025389 AMAQI
7th Jul 20253610 AMAQI
7th Jul 20253811 AMAQI
7th Jul 20253812 PMAQI
7th Jul 2025391 PMAQI
7th Jul 2025412 PMAQI
7th Jul 2025423 PMAQI
7th Jul 2025454 PMAQI
7th Jul 2025465 PMAQI
7th Jul 2025496 PMAQI
7th Jul 2025447 PMAQI
7th Jul 2025418 PMAQI
7th Jul 2025449 PMAQI
7th Jul 20254410 PMAQI
7th Jul 20254611 PMAQI
8th Jul 20254412 AMAQI
8th Jul 2025441 AMAQI
8th Jul 2025432 AMAQI
8th Jul 2025443 AMAQI
8th Jul 2025424 AMAQI

19°C15/26°C

8th Jul 2025425 AMAQI
8th Jul 2025416 AMAQI
8th Jul 2025467 AMAQI
8th Jul 2025478 AMAQI
8th Jul 2025489 AMAQI
8th Jul 20254610 AMAQI
8th Jul 20254811 AMAQI
8th Jul 20254612 PMAQI
8th Jul 2025501 PMAQI
8th Jul 2025522 PMAQI
8th Jul 2025523 PMAQI
8th Jul 2025524 PMAQI
8th Jul 2025525 PMAQI
8th Jul 2025526 PMAQI
8th Jul 2025507 PMAQI
8th Jul 2025508 PMAQI
8th Jul 2025519 PMAQI
8th Jul 20255010 PMAQI
8th Jul 20255011 PMAQI
9th Jul 20255012 AMAQI
9th Jul 2025461 AMAQI
9th Jul 2025412 AMAQI
9th Jul 2025383 AMAQI
9th Jul 2025364 AMAQI

22°C14/29°C

9th Jul 2025355 AMAQI
9th Jul 2025416 AMAQI
9th Jul 2025427 AMAQI
9th Jul 2025398 AMAQI
9th Jul 2025429 AMAQI
9th Jul 20254610 AMAQI
9th Jul 20254811 AMAQI
9th Jul 20254412 PMAQI
9th Jul 2025451 PMAQI
9th Jul 2025442 PMAQI
9th Jul 2025463 PMAQI
9th Jul 2025474 PMAQI
9th Jul 2025455 PMAQI
9th Jul 2025446 PMAQI
9th Jul 2025447 PMAQI
9th Jul 2025438 PMAQI
9th Jul 2025419 PMAQI
9th Jul 20254010 PMAQI
9th Jul 20254211 PMAQI
10th Jul 20254212 AMAQI
10th Jul 2025401 AMAQI
10th Jul 2025362 AMAQI
10th Jul 2025363 AMAQI
10th Jul 2025344 AMAQI

20°C16/25°C

10th Jul 2025345 AMAQI
10th Jul 2025366 AMAQI
10th Jul 2025367 AMAQI
10th Jul 2025368 AMAQI
10th Jul 2025369 AMAQI
10th Jul 20253610 AMAQI
10th Jul 20253611 AMAQI
10th Jul 20253712 PMAQI
10th Jul 2025371 PMAQI
10th Jul 2025382 PMAQI
10th Jul 2025393 PMAQI
10th Jul 2025384 PMAQI
10th Jul 2025395 PMAQI
10th Jul 2025386 PMAQI
10th Jul 2025377 PMAQI
10th Jul 2025388 PMAQI
10th Jul 2025369 PMAQI
10th Jul 20253610 PMAQI
10th Jul 20253711 PMAQI
11th Jul 20253812 AMAQI
11th Jul 2025341 AMAQI
11th Jul 2025292 AMAQI
11th Jul 2025303 AMAQI
11th Jul 2025284 AMAQI

18°C11/24°C

11th Jul 2025285 AMAQI
11th Jul 2025286 AMAQI
11th Jul 2025297 AMAQI
11th Jul 2025288 AMAQI
11th Jul 2025299 AMAQI
11th Jul 20252810 AMAQI
11th Jul 20252911 AMAQI
11th Jul 20252912 PMAQI
11th Jul 2025301 PMAQI
11th Jul 2025312 PMAQI
11th Jul 2025343 PMAQI
11th Jul 2025344 PMAQI
11th Jul 2025345 PMAQI
11th Jul 2025346 PMAQI
11th Jul 2025337 PMAQI
11th Jul 2025348 PMAQI
11th Jul 2025369 PMAQI
11th Jul 20253610 PMAQI
11th Jul 20253611 PMAQI
12th Jul 20253712 AMAQI
12th Jul 2025331 AMAQI
12th Jul 2025292 AMAQI
12th Jul 2025283 AMAQI
12th Jul 2025234 AMAQI

20°C16/24°C

12th Jul 2025245 AMAQI
12th Jul 2025246 AMAQI
12th Jul 2025247 AMAQI
12th Jul 2025248 AMAQI
12th Jul 2025249 AMAQI
12th Jul 20252410 AMAQI
12th Jul 20252311 AMAQI
12th Jul 20252312 PMAQI
12th Jul 2025221 PMAQI
12th Jul 2025242 PMAQI
12th Jul 2025283 PMAQI
12th Jul 2025284 PMAQI
12th Jul 2025305 PMAQI
12th Jul 2025306 PMAQI
12th Jul 2025277 PMAQI
12th Jul 2025308 PMAQI
12th Jul 2025389 PMAQI
12th Jul 20254010 PMAQI
12th Jul 20254211 PMAQI
13th Jul 20254212 AMAQI
13th Jul 2025521 AMAQI
13th Jul 2025672 AMAQI
13th Jul 2025663 AMAQI
13th Jul 2025584 AMAQI

23°C17/30°C

13th Jul 2025565 AMAQI
13th Jul 2025626 AMAQI
13th Jul 2025647 AMAQI
13th Jul 2025658 AMAQI
13th Jul 2025699 AMAQI
13th Jul 20257810 AMAQI
13th Jul 20258211 AMAQI
13th Jul 20259012 PMAQI
13th Jul 2025951 PMAQI
13th Jul 2025932 PMAQI
13th Jul 2025803 PMAQI
13th Jul 2025784 PMAQI
13th Jul 2025825 PMAQI
13th Jul 2025936 PMAQI
13th Jul 2025727 PMAQI
13th Jul 2025678 PMAQI
13th Jul 2025749 PMAQI
13th Jul 20258010 PMAQI
13th Jul 20257811 PMAQI
14th Jul 20257812 AMAQI
14th Jul 2025931 AMAQI
14th Jul 20251182 AMAQI
14th Jul 20251273 AMAQI
14th Jul 2025964 AMAQI

21°C15/27°C

14th Jul 2025965 AMAQI
14th Jul 2025916 AMAQI
14th Jul 2025907 AMAQI
14th Jul 2025928 AMAQI
14th Jul 2025879 AMAQI
14th Jul 20258410 AMAQI
14th Jul 20258211 AMAQI
14th Jul 20258112 PMAQI
14th Jul 2025821 PMAQI
14th Jul 2025832 PMAQI
14th Jul 2025863 PMAQI
14th Jul 2025844 PMAQI
14th Jul 2025825 PMAQI
14th Jul 2025836 PMAQI
14th Jul 2025857 PMAQI
14th Jul 2025888 PMAQI
14th Jul 2025849 PMAQI
14th Jul 20258710 PMAQI
14th Jul 20258611 PMAQI
15th Jul 20258312 AMAQI
15th Jul 2025841 AMAQI
15th Jul 2025732 AMAQI
15th Jul 2025723 AMAQI
15th Jul 2025714 AMAQI

23°C15/31°C

15th Jul 2025675 AMAQI
15th Jul 2025686 AMAQI
15th Jul 2025677 AMAQI
15th Jul 2025678 AMAQI
15th Jul 2025679 AMAQI
15th Jul 20256710 AMAQI
15th Jul 20256711 AMAQI
15th Jul 20256812 PMAQI
15th Jul 2025681 PMAQI
15th Jul 2025692 PMAQI
15th Jul 2025703 PMAQI
15th Jul 2025734 PMAQI
15th Jul 2025745 PMAQI
15th Jul 2025726 PMAQI
15th Jul 2025717 PMAQI
15th Jul 2025698 PMAQI
15th Jul 2025679 PMAQI
15th Jul 20256810 PMAQI
15th Jul 20256811 PMAQI
16th Jul 20256912 AMAQI
16th Jul 2025641 AMAQI
16th Jul 2025622 AMAQI
16th Jul 2025633 AMAQI
16th Jul 2025664 AMAQI

24°C18/32°C

16th Jul 2025645 AMAQI
16th Jul 2025646 AMAQI
16th Jul 2025647 AMAQI
16th Jul 2025668 AMAQI
16th Jul 2025689 AMAQI
16th Jul 20256610 AMAQI
16th Jul 20256411 AMAQI
16th Jul 20256312 PMAQI
16th Jul 2025621 PMAQI
16th Jul 2025582 PMAQI
16th Jul 2025613 PMAQI
16th Jul 2025604 PMAQI
16th Jul 2025605 PMAQI
16th Jul 2025596 PMAQI
16th Jul 2025637 PMAQI
16th Jul 2025628 PMAQI
16th Jul 2025569 PMAQI
16th Jul 20255610 PMAQI
16th Jul 20255511 PMAQI
17th Jul 20255312 AMAQI
17th Jul 2025361 AMAQI
17th Jul 2025162 AMAQI
17th Jul 2025163 AMAQI
17th Jul 2025154 AMAQI

23°C18/29°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 20251811 AMAQI
17th Jul 20251912 PMAQI
17th Jul 2025181 PMAQI
17th Jul 2025192 PMAQI
17th Jul 2025193 PMAQI
17th Jul 2025214 PMAQI
17th Jul 2025205 PMAQI
17th Jul 2025216 PMAQI
17th Jul 2025207 PMAQI
17th Jul 2025218 PMAQI
17th Jul 2025199 PMAQI
17th Jul 20252010 PMAQI
17th Jul 20252011 PMAQI
18th Jul 20251812 AMAQI
18th Jul 2025181 AMAQI
18th Jul 2025182 AMAQI
18th Jul 2025143 AMAQI
18th Jul 2025144 AMAQI

17°C13/20°C

18th Jul 2025145 AMAQI
18th Jul 2025146 AMAQI
18th Jul 2025167 AMAQI
18th Jul 2025148 AMAQI
18th Jul 2025149 AMAQI
18th Jul 20251410 AMAQI
18th Jul 20251411 AMAQI
18th Jul 20251512 PMAQI
18th Jul 2025151 PMAQI
18th Jul 2025162 PMAQI
18th Jul 2025173 PMAQI
18th Jul 2025184 PMAQI
18th Jul 2025185 PMAQI
18th Jul 2025176 PMAQI
18th Jul 2025167 PMAQI
18th Jul 2025178 PMAQI
18th Jul 2025189 PMAQI
18th Jul 20251810 PMAQI
18th Jul 20252011 PMAQI
19th Jul 20251912 AMAQI
19th Jul 2025201 AMAQI
19th Jul 2025222 AMAQI
19th Jul 2025243 AMAQI
19th Jul 2025274 AMAQI

17°C9/23°C

19th Jul 2025295 AMAQI
19th Jul 2025306 AMAQI
19th Jul 2025287 AMAQI
19th Jul 2025278 AMAQI
19th Jul 2025279 AMAQI
19th Jul 20252710 AMAQI
19th Jul 20252711 AMAQI
19th Jul 20252812 PMAQI
19th Jul 2025271 PMAQI
19th Jul 2025272 PMAQI
19th Jul 2025273 PMAQI
19th Jul 2025274 PMAQI
19th Jul 2025275 PMAQI
19th Jul 2025286 PMAQI
19th Jul 2025267 PMAQI
19th Jul 2025288 PMAQI
19th Jul 2025279 PMAQI
19th Jul 20252610 PMAQI
19th Jul 20252611 PMAQI
20th Jul 20252612 AMAQI
20th Jul 2025241 AMAQI
20th Jul 2025212 AMAQI
20th Jul 2025223 AMAQI
20th Jul 2025214 AMAQI

21°C15/26°C

20th Jul 2025225 AMAQI
20th Jul 2025246 AMAQI
20th Jul 2025247 AMAQI
20th Jul 2025248 AMAQI
20th Jul 2025229 AMAQI
20th Jul 20252110 AMAQI
20th Jul 20252011 AMAQI
20th Jul 20252112 PMAQI
20th Jul 2025221 PMAQI
20th Jul 2025232 PMAQI
20th Jul 2025253 PMAQI
20th Jul 2025274 PMAQI
20th Jul 2025265 PMAQI
20th Jul 2025296 PMAQI
20th Jul 2025257 PMAQI
20th Jul 2025278 PMAQI
20th Jul 2025359 PMAQI
20th Jul 20253510 PMAQI
20th Jul 20254111 PMAQI
21st Jul 20254712 AMAQI
21st Jul 2025521 AMAQI
21st Jul 2025922 AMAQI
21st Jul 2025943 AMAQI
21st Jul 20251064 AMAQI

19°C15/25°C

21st Jul 2025975 AMAQI
21st Jul 2025886 AMAQI
21st Jul 2025757 AMAQI
21st Jul 2025668 AMAQI
21st Jul 2025619 AMAQI
21st Jul 20256310 AMAQI
21st Jul 20255911 AMAQI
21st Jul 20256212 PMAQI
21st Jul 2025621 PMAQI
21st Jul 2025672 PMAQI
21st Jul 2025723 PMAQI
21st Jul 2025754 PMAQI
21st Jul 2025745 PMAQI
21st Jul 2025736 PMAQI
21st Jul 2025707 PMAQI
21st Jul 2025708 PMAQI
21st Jul 2025709 PMAQI
21st Jul 20257210 PMAQI
21st Jul 20257111 PMAQI
22nd Jul 20256912 AMAQI
22nd Jul 2025541 AMAQI
22nd Jul 2025382 AMAQI
22nd Jul 2025403 AMAQI
22nd Jul 2025404 AMAQI

18°C12/24°C

22nd Jul 2025415 AMAQI
22nd Jul 2025426 AMAQI
22nd Jul 2025467 AMAQI
22nd Jul 2025488 AMAQI
22nd Jul 2025489 AMAQI
22nd Jul 20255410 AMAQI
22nd Jul 20255811 AMAQI
22nd Jul 20255712 PMAQI
22nd Jul 2025601 PMAQI
22nd Jul 2025612 PMAQI
22nd Jul 2025583 PMAQI
22nd Jul 2025584 PMAQI
22nd Jul 2025575 PMAQI
22nd Jul 2025576 PMAQI
22nd Jul 2025557 PMAQI
22nd Jul 2025538 PMAQI
22nd Jul 2025569 PMAQI
22nd Jul 20255710 PMAQI
22nd Jul 20255711 PMAQI
23rd Jul 20255712 AMAQI
23rd Jul 2025601 AMAQI
23rd Jul 2025602 AMAQI
23rd Jul 2025603 AMAQI
23rd Jul 2025604 AMAQI

20°C13/26°C

23rd Jul 2025605 AMAQI
23rd Jul 2025586 AMAQI
23rd Jul 2025587 AMAQI
23rd Jul 2025588 AMAQI
23rd Jul 2025579 AMAQI
23rd Jul 20255710 AMAQI
23rd Jul 20255811 AMAQI
23rd Jul 20255712 PMAQI
23rd Jul 2025571 PMAQI
23rd Jul 2025592 PMAQI
23rd Jul 2025593 PMAQI
23rd Jul 2025594 PMAQI
23rd Jul 2025595 PMAQI
23rd Jul 2025596 PMAQI
23rd Jul 2025587 PMAQI
23rd Jul 2025588 PMAQI
23rd Jul 2025589 PMAQI
23rd Jul 20255710 PMAQI
23rd Jul 20255611 PMAQI
24th Jul 20255512 AMAQI
24th Jul 2025551 AMAQI
24th Jul 2025342 AMAQI
24th Jul 2025333 AMAQI
24th Jul 2025364 AMAQI

25°C19/33°C

24th Jul 2025415 AMAQI
24th Jul 2025446 AMAQI
24th Jul 2025487 AMAQI
24th Jul 2025468 AMAQI
24th Jul 2025409 AMAQI
24th Jul 20253810 AMAQI
24th Jul 20253711 AMAQI
24th Jul 20253512 PMAQI
24th Jul 2025351 PMAQI
24th Jul 2025362 PMAQI
24th Jul 2025423 PMAQI
24th Jul 2025414 PMAQI
24th Jul 2025405 PMAQI
24th Jul 2025386 PMAQI
24th Jul 2025427 PMAQI
24th Jul 2025428 PMAQI
24th Jul 2025399 PMAQI
24th Jul 20253710 PMAQI
24th Jul 20253611 PMAQI
25th Jul 20253612 AMAQI
25th Jul 2025301 AMAQI
25th Jul 2025182 AMAQI
25th Jul 2025173 AMAQI
25th Jul 2025174 AMAQI

26°C21/30°C

25th Jul 2025185 AMAQI
25th Jul 2025246 AMAQI
25th Jul 2025207 AMAQI
25th Jul 2025228 AMAQI
25th Jul 2025319 AMAQI
25th Jul 20254010 AMAQI
25th Jul 20253411 AMAQI
25th Jul 20254412 PMAQI
25th Jul 2025381 PMAQI
25th Jul 2025352 PMAQI
25th Jul 2025333 PMAQI
25th Jul 2025364 PMAQI
25th Jul 2025365 PMAQI
25th Jul 2025466 PMAQI
25th Jul 2025327 PMAQI
25th Jul 2025328 PMAQI
25th Jul 2025429 PMAQI
25th Jul 20253910 PMAQI
25th Jul 20253811 PMAQI
26th Jul 20254212 AMAQI
26th Jul 2025591 AMAQI
26th Jul 2025832 AMAQI
26th Jul 2025783 AMAQI
26th Jul 2025764 AMAQI

22°C19/27°C

26th Jul 2025805 AMAQI
26th Jul 2025726 AMAQI
26th Jul 2025837 AMAQI
26th Jul 2025768 AMAQI
26th Jul 2025739 AMAQI
26th Jul 20256810 AMAQI
26th Jul 20256811 AMAQI
26th Jul 20256712 PMAQI
26th Jul 2025631 PMAQI
26th Jul 2025622 PMAQI
26th Jul 2025653 PMAQI
26th Jul 2025644 PMAQI
26th Jul 2025645 PMAQI
26th Jul 2025636 PMAQI
26th Jul 2025667 PMAQI
26th Jul 2025648 PMAQI
26th Jul 2025629 PMAQI
26th Jul 20256210 PMAQI
26th Jul 20256111 PMAQI
27th Jul 20256112 AMAQI
27th Jul 2025601 AMAQI
27th Jul 2025262 AMAQI
27th Jul 2025263 AMAQI
27th Jul 2025274 AMAQI

22°C18/27°C

27th Jul 2025255 AMAQI
27th Jul 2025246 AMAQI
27th Jul 2025287 AMAQI
27th Jul 2025298 AMAQI
27th Jul 2025299 AMAQI
27th Jul 20253010 AMAQI
27th Jul 20253011 AMAQI
27th Jul 20253212 PMAQI
27th Jul 2025321 PMAQI
27th Jul 2025342 PMAQI
27th Jul 2025343 PMAQI
27th Jul 2025364 PMAQI
27th Jul 2025345 PMAQI
27th Jul 2025366 PMAQI
27th Jul 2025337 PMAQI
27th Jul 2025338 PMAQI
27th Jul 2025339 PMAQI
27th Jul 20253310 PMAQI
27th Jul 20253211 PMAQI
28th Jul 20253212 AMAQI
28th Jul 2025281 AMAQI
28th Jul 2025202 AMAQI
28th Jul 2025263 AMAQI
28th Jul 2025284 AMAQI

24°C18/33°C

28th Jul 2025255 AMAQI
28th Jul 2025286 AMAQI
28th Jul 2025297 AMAQI
28th Jul 2025288 AMAQI
28th Jul 2025289 AMAQI
28th Jul 20252810 AMAQI
28th Jul 20252811 AMAQI
28th Jul 20252912 PMAQI
28th Jul 2025291 PMAQI
28th Jul 2025322 PMAQI
28th Jul 2025323 PMAQI
28th Jul 2025324 PMAQI
28th Jul 2025315 PMAQI
28th Jul 2025306 PMAQI
28th Jul 2025297 PMAQI
28th Jul 2025298 PMAQI
28th Jul 2025309 PMAQI
28th Jul 20253010 PMAQI
28th Jul 20253011 PMAQI
29th Jul 20253112 AMAQI
29th Jul 2025321 AMAQI
29th Jul 2025322 AMAQI
29th Jul 2025343 AMAQI
29th Jul 2025334 AMAQI

26°C20/35°C

29th Jul 2025325 AMAQI
29th Jul 2025336 AMAQI
29th Jul 2025347 AMAQI
29th Jul 2025348 AMAQI
29th Jul 2025339 AMAQI
29th Jul 20253110 AMAQI
29th Jul 20253211 AMAQI
29th Jul 20253212 PMAQI
29th Jul 2025341 PMAQI
29th Jul 2025352 PMAQI
29th Jul 2025363 PMAQI
29th Jul 2025364 PMAQI
29th Jul 2025365 PMAQI
29th Jul 2025366 PMAQI
29th Jul 2025357 PMAQI
29th Jul 2025358 PMAQI
29th Jul 2025369 PMAQI
29th Jul 20253610 PMAQI
29th Jul 20253711 PMAQI
30th Jul 20253612 AMAQI
30th Jul 2025401 AMAQI
30th Jul 2025422 AMAQI
30th Jul 2025423 AMAQI
30th Jul 2025414 AMAQI

25°C19/34°C

30th Jul 2025445 AMAQI
30th Jul 2025506 AMAQI
30th Jul 2025507 AMAQI
30th Jul 2025508 AMAQI
30th Jul 2025539 AMAQI
30th Jul 20255310 AMAQI
30th Jul 20255611 AMAQI
30th Jul 20256212 PMAQI
30th Jul 2025641 PMAQI
30th Jul 2025742 PMAQI
30th Jul 2025753 PMAQI
30th Jul 2025754 PMAQI
30th Jul 2025755 PMAQI
30th Jul 2025756 PMAQI
30th Jul 2025757 PMAQI
30th Jul 2025758 PMAQI
30th Jul 2025669 PMAQI
30th Jul 20256410 PMAQI
30th Jul 20256611 PMAQI
31st Jul 20257412 AMAQI
31st Jul 2025771 AMAQI
31st Jul 20251332 AMAQI
31st Jul 20251293 AMAQI
31st Jul 20251554 AMAQI

21°C19/23°C

31st Jul 20251515 AMAQI
5 AM
31st Jul 20251546 AMAQI
31st Jul 20251707 AMAQI
31st Jul 20251728 AMAQI
31st Jul 20251659 AMAQI
31st Jul 202518110 AMAQI
31st Jul 202517911 AMAQI
31st Jul 202518612 PMAQI
12 PM
31st Jul 20251861 PMAQI
31st Jul 20251772 PMAQI
31st Jul 20251743 PMAQI
31st Jul 20251514 PMAQI
8 PM
12 AM
4 AM

--°C/°C

Day time
Avg. Highest Time
5 AM - 4 PM

48AQI

12 hours / Day
360 hours / Month
Avg. Lowest Time
5 PM - 8 PM

46AQI

4 hours / Day
120 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 5 AM to 4 PM (Avg. 48), while the lowest AQI was between 5 PM to 8 PM (Avg. 46).
Night time
Avg. Highest Time
12 AM - 11 PM

47AQI

8 hours / Day
240 hours / Month
Avg. Lowest Time
12 AM - 11 PM

47AQI

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. 47), while the lowest AQI was between 12 AM to 11 PM (Avg. 47).

2025 Days Vs Air Quality

Port Washington, Wisconsin, United States

2025

89%

187

11%

24

Total number of days with different AQI categories in last 212 days in 2025 (153 days remaining)

Good
187 Days
Moderate
24 Days
Poor
0 Days
Unhealthy
0 Days
Severe
0 Days
Hazardous
0 Days

Under WHO’s Safe Air Quality Limits: 89%

Health Risk Level:

Low

In 2025, 89% of 212 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

Port Washington, 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
21AQI
2nd January 2025
23AQI
3rd January 2025
22AQI
4th January 2025
18AQI
5th January 2025
19AQI
6th January 2025
20AQI
7th January 2025
19AQI
8th January 2025
22AQI
9th January 2025
39AQI
10th January 2025
64AQI
11th January 2025
36AQI
12th January 2025
40AQI
13th January 2025
22AQI
14th January 2025
28AQI
15th January 2025
27AQI
16th January 2025
30AQI
17th January 2025
25AQI
18th January 2025
22AQI
19th January 2025
21AQI
20th January 2025
21AQI
21st January 2025
22AQI
22nd January 2025
24AQI
23rd January 2025
25AQI
24th January 2025
28AQI
25th January 2025
27AQI
26th January 2025
22AQI
27th January 2025
23AQI
28th January 2025
24AQI
29th January 2025
24AQI
30th January 2025
30AQI
31st January 2025
39AQI
1st February 2025
24AQI
2nd February 2025
41AQI
3rd February 2025
35AQI
4th February 2025
23AQI
5th February 2025
23AQI
6th February 2025
28AQI
7th February 2025
26AQI
8th February 2025
32AQI
9th February 2025
26AQI
10th February 2025
30AQI
11th February 2025
30AQI
12th February 2025
25AQI
13th February 2025
26AQI
14th February 2025
35AQI
15th February 2025
37AQI
16th February 2025
25AQI
17th February 2025
26AQI
18th February 2025
25AQI
19th February 2025
25AQI
20th February 2025
24AQI
21st February 2025
27AQI
22nd February 2025
38AQI
23rd February 2025
62AQI
24th February 2025
36AQI
25th February 2025
27AQI
26th February 2025
38AQI
27th February 2025
34AQI
28th February 2025
25AQI
1st March 2025
27AQI
2nd March 2025
25AQI
3rd March 2025
33AQI
4th March 2025
35AQI
5th March 2025
27AQI
6th March 2025
26AQI
7th March 2025
26AQI
8th March 2025
26AQI
9th March 2025
26AQI
10th March 2025
27AQI
11th March 2025
27AQI
12th March 2025
27AQI
13th March 2025
35AQI
14th March 2025
45AQI
15th March 2025
74AQI
16th March 2025
15AQI
17th March 2025
17AQI
18th March 2025
24AQI
19th March 2025
21AQI
20th March 2025
16AQI
21st March 2025
21AQI
22nd March 2025
16AQI
23rd March 2025
19AQI
24th March 2025
18AQI
25th March 2025
20AQI
26th March 2025
22AQI
27th March 2025
31AQI
28th March 2025
49AQI
29th March 2025
19AQI
30th March 2025
16AQI
31st March 2025
16AQI
1st April 2025
16AQI
2nd April 2025
21AQI
3rd April 2025
19AQI
4th April 2025
18AQI
5th April 2025
17AQI
6th April 2025
19AQI
7th April 2025
20AQI
8th April 2025
15AQI
9th April 2025
27AQI
10th April 2025
38AQI
11th April 2025
45AQI
12th April 2025
52AQI
13th April 2025
42AQI
14th April 2025
25AQI
15th April 2025
13AQI
16th April 2025
14AQI
17th April 2025
25AQI
18th April 2025
42AQI
19th April 2025
24AQI
20th April 2025
20AQI
21st April 2025
15AQI
22nd April 2025
17AQI
23rd April 2025
28AQI
24th April 2025
28AQI
25th April 2025
16AQI
26th April 2025
13AQI
27th April 2025
24AQI
28th April 2025
29AQI
29th April 2025
22AQI
30th April 2025
12AQI
1st May 2025
18AQI
2nd May 2025
18AQI
3rd May 2025
13AQI
4th May 2025
16AQI
5th May 2025
18AQI
6th May 2025
24AQI
7th May 2025
21AQI
8th May 2025
14AQI
9th May 2025
18AQI
10th May 2025
22AQI
11th May 2025
17AQI
12th May 2025
27AQI
13th May 2025
23AQI
14th May 2025
20AQI
15th May 2025
29AQI
16th May 2025
29AQI
17th May 2025
17AQI
18th May 2025
15AQI
19th May 2025
12AQI
20th May 2025
14AQI
21st May 2025
15AQI
22nd May 2025
12AQI
23rd May 2025
12AQI
24th May 2025
13AQI
25th May 2025
15AQI
26th May 2025
20AQI
27th May 2025
20AQI
28th May 2025
22AQI
29th May 2025
25AQI
30th May 2025
39AQI
31st May 2025
27AQI
1st June 2025
21AQI
2nd June 2025
30AQI
3rd June 2025
50AQI
4th June 2025
87AQI
5th June 2025
95AQI
6th June 2025
75AQI
7th June 2025
68AQI
8th June 2025
64AQI
9th June 2025
71AQI
10th June 2025
56AQI
11th June 2025
72AQI
12th June 2025
77AQI
13th June 2025
35AQI
14th June 2025
32AQI
15th June 2025
34AQI
16th June 2025
43AQI
17th June 2025
49AQI
18th June 2025
33AQI
19th June 2025
27AQI
20th June 2025
34AQI
21st June 2025
33AQI
22nd June 2025
35AQI
23rd June 2025
52AQI
24th June 2025
27AQI
25th June 2025
31AQI
26th June 2025
35AQI
27th June 2025
28AQI
28th June 2025
19AQI
29th June 2025
22AQI
30th June 2025
24AQI
1st July 2025
27AQI
2nd July 2025
43AQI
3rd July 2025
39AQI
4th July 2025
42AQI
5th July 2025
61AQI
6th July 2025
35AQI
7th July 2025
41AQI
8th July 2025
47AQI
9th July 2025
42AQI
10th July 2025
37AQI
11th July 2025
32AQI
12th July 2025
29AQI
13th July 2025
72AQI
14th July 2025
90AQI
15th July 2025
71AQI
16th July 2025
62AQI
17th July 2025
21AQI
18th July 2025
16AQI
19th July 2025
26AQI
20th July 2025
26AQI
21st July 2025
74AQI
22nd July 2025
52AQI
23rd July 2025
58AQI
24th July 2025
40AQI
25th July 2025
31AQI
26th July 2025
67AQI
27th July 2025
33AQI
28th July 2025
29AQI
29th July 2025
34AQI
30th July 2025
54AQI

27AQI

30AQI

27AQI

24AQI

20AQI

45AQI

44AQI

No. of days

Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days

202531AQI

30
1
27
1
30
1
29
1
31
20
10
20
10
187
24

Highest AQI recorded in

June

45AQI

Lowest AQI recorded in

May

20AQI

202430AQI

30
1
24
5
30
1
30
30
1
29
30
1
29
2
29
1
30
1
29
1
30
1
350
15

Highest AQI recorded in

August

34AQI

Lowest AQI recorded in

March

23AQI

202338AQI

25
6
26
2
29
2
26
4
26
5
8
18
1
2
1
24
6
1
23
8
30
31
28
1
28
3
304
55
2
2
1

Highest AQI recorded in

June

72AQI

Lowest AQI recorded in

October

27AQI

202234AQI

29
2
19
2
27
4
24
28
3
28
2
22
1
26
26
5
22
8
29
2
281
28

Highest AQI recorded in

June

36AQI

Lowest AQI recorded in

August

29AQI

202135AQI

21
9
21
7
29
2
24
6
29
2
29
1
19
12
25
6
30
31
29
1
26
5
313
51

Highest AQI recorded in

August

44AQI

Lowest AQI recorded in

October

27AQI

202032AQI

10
3
19
1
18
26
4
29
2
31
29
1
31
26
4
26
5
245
20

Highest AQI recorded in

March

36AQI

Lowest AQI recorded in

October

26AQI

Most & Least Polluted Years Over the Last 6 Years

Most Polluted Year Recorded
2023(Avg.)
38AQI
Least Polluted Year Recorded
2024(Avg.)
30AQI

Port Washington's annual 2025 AQI (31) shows an average percentage change of -7.5% (improved AQI) compared to previous years: 2020 (32), 2021 (35), 2022 (34), 2023 (38), 2024 (30).