Portage, Indiana, 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
Portage, Indiana, United States
2021
2022
2023
2024
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
1st Aug 2025
104AQILowest AQI recorded on
30th Aug 2023
25AQISame Day Analysis (6th August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 1st highest AQI at 89 of Moderate air quality on the same day.
Download 2024 Annual Data
World Air Quality Report
Day & Night AQI Trend: 6th Aug - 7th Aug 2025
Portage, Indiana, United States
AQI
Day
Night
.
5 AM6th Aug 2025
8 PM
4 AM7th Aug 2025
Day time
Avg. Highest Time
5AM6th Aug
84AQI
Avg. Lowest Time
6PM6th Aug
60AQI
Night time
Avg. Highest Time
1AM7th Aug
71AQI
Avg. Lowest Time
4AM7th Aug
55AQI
In the last 24 hours,
Portage's AQI reached its highest point of 84 at 5 AM during the Day, while the lowest point, 55, was recorded at 4 AM during the Night between 6th Aug and 7th Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Portage, Indiana, 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 - 07th07th
Day
Night
8th Jul 2025605 AMAQI
8th Jul 2025606 AMAQI
8th Jul 2025607 AMAQI
8th Jul 2025598 AMAQI
8th Jul 2025589 AMAQI
8th Jul 20255710 AMAQI
8th Jul 20255711 AMAQI
8th Jul 20255812 PMAQI
8th Jul 2025591 PMAQI
8th Jul 2025592 PMAQI
8th Jul 2025593 PMAQI
8th Jul 2025594 PMAQI
8th Jul 2025585 PMAQI
8th Jul 2025546 PMAQI
8th Jul 2025547 PMAQI
8th Jul 2025548 PMAQI
8th Jul 2025529 PMAQI
8th Jul 20255210 PMAQI
8th Jul 20255311 PMAQI
9th Jul 20255312 AMAQI
9th Jul 2025521 AMAQI
9th Jul 2025482 AMAQI
9th Jul 2025463 AMAQI
9th Jul 2025454 AMAQI
24°C16/32°C
9th Jul 2025465 AMAQI
9th Jul 2025486 AMAQI
9th Jul 2025497 AMAQI
9th Jul 2025498 AMAQI
9th Jul 2025519 AMAQI
9th Jul 20254810 AMAQI
9th Jul 20254911 AMAQI
9th Jul 20254512 PMAQI
9th Jul 2025461 PMAQI
9th Jul 2025462 PMAQI
9th Jul 2025493 PMAQI
9th Jul 2025484 PMAQI
9th Jul 2025505 PMAQI
9th Jul 2025496 PMAQI
9th Jul 2025487 PMAQI
9th Jul 2025498 PMAQI
9th Jul 2025489 PMAQI
9th Jul 20254810 PMAQI
9th Jul 20254711 PMAQI
10th Jul 20254612 AMAQI
10th Jul 2025461 AMAQI
10th Jul 2025442 AMAQI
10th Jul 2025353 AMAQI
10th Jul 2025364 AMAQI
23°C20/29°C
10th Jul 2025455 AMAQI
10th Jul 2025396 AMAQI
10th Jul 2025427 AMAQI
10th Jul 2025368 AMAQI
10th Jul 2025359 AMAQI
10th Jul 20253910 AMAQI
10th Jul 20254011 AMAQI
10th Jul 20254112 PMAQI
10th Jul 2025411 PMAQI
10th Jul 2025402 PMAQI
10th Jul 2025423 PMAQI
10th Jul 2025424 PMAQI
10th Jul 2025445 PMAQI
10th Jul 2025446 PMAQI
10th Jul 2025447 PMAQI
10th Jul 2025438 PMAQI
10th Jul 2025469 PMAQI
10th Jul 20254710 PMAQI
10th Jul 20254711 PMAQI
11th Jul 20254512 AMAQI
11th Jul 2025451 AMAQI
11th Jul 2025462 AMAQI
11th Jul 2025473 AMAQI
11th Jul 2025444 AMAQI
24°C19/29°C
11th Jul 2025445 AMAQI
11th Jul 2025426 AMAQI
11th Jul 2025427 AMAQI
11th Jul 2025448 AMAQI
11th Jul 2025469 AMAQI
11th Jul 20254610 AMAQI
11th Jul 20254411 AMAQI
11th Jul 20254312 PMAQI
11th Jul 2025431 PMAQI
11th Jul 2025442 PMAQI
11th Jul 2025453 PMAQI
11th Jul 2025464 PMAQI
11th Jul 2025445 PMAQI
11th Jul 2025456 PMAQI
11th Jul 2025447 PMAQI
11th Jul 2025468 PMAQI
11th Jul 2025469 PMAQI
11th Jul 20254310 PMAQI
11th Jul 20254411 PMAQI
12th Jul 20254412 AMAQI
12th Jul 2025431 AMAQI
12th Jul 2025362 AMAQI
12th Jul 2025293 AMAQI
12th Jul 2025364 AMAQI
26°C20/31°C
12th Jul 2025385 AMAQI
12th Jul 2025396 AMAQI
12th Jul 2025377 AMAQI
12th Jul 2025378 AMAQI
12th Jul 2025369 AMAQI
12th Jul 20253310 AMAQI
12th Jul 20253211 AMAQI
12th Jul 20253512 PMAQI
12th Jul 2025361 PMAQI
12th Jul 2025362 PMAQI
12th Jul 2025373 PMAQI
12th Jul 2025384 PMAQI
12th Jul 2025385 PMAQI
12th Jul 2025366 PMAQI
12th Jul 2025357 PMAQI
12th Jul 2025378 PMAQI
12th Jul 2025359 PMAQI
12th Jul 20253510 PMAQI
12th Jul 20253511 PMAQI
13th Jul 20253712 AMAQI
13th Jul 2025381 AMAQI
13th Jul 2025372 AMAQI
13th Jul 2025383 AMAQI
13th Jul 2025444 AMAQI
26°C23/31°C
13th Jul 2025485 AMAQI
13th Jul 2025506 AMAQI
13th Jul 2025497 AMAQI
13th Jul 2025488 AMAQI
13th Jul 2025489 AMAQI
13th Jul 20255010 AMAQI
13th Jul 20255011 AMAQI
13th Jul 20254812 PMAQI
13th Jul 2025481 PMAQI
13th Jul 2025482 PMAQI
13th Jul 2025483 PMAQI
13th Jul 2025494 PMAQI
13th Jul 2025485 PMAQI
13th Jul 2025496 PMAQI
13th Jul 2025487 PMAQI
13th Jul 2025488 PMAQI
13th Jul 2025489 PMAQI
13th Jul 20254710 PMAQI
13th Jul 20254911 PMAQI
14th Jul 20254812 AMAQI
14th Jul 2025511 AMAQI
14th Jul 2025542 AMAQI
14th Jul 2025633 AMAQI
14th Jul 2025624 AMAQI
24°C21/29°C
14th Jul 2025625 AMAQI
14th Jul 2025586 AMAQI
14th Jul 2025607 AMAQI
14th Jul 2025628 AMAQI
14th Jul 2025639 AMAQI
14th Jul 20256510 AMAQI
14th Jul 20256611 AMAQI
14th Jul 20256712 PMAQI
14th Jul 2025721 PMAQI
14th Jul 2025702 PMAQI
14th Jul 2025673 PMAQI
14th Jul 2025644 PMAQI
14th Jul 2025665 PMAQI
14th Jul 2025676 PMAQI
14th Jul 2025637 PMAQI
14th Jul 2025628 PMAQI
14th Jul 2025649 PMAQI
14th Jul 20256210 PMAQI
14th Jul 20256411 PMAQI
15th Jul 20256412 AMAQI
15th Jul 2025651 AMAQI
15th Jul 2025692 AMAQI
15th Jul 2025763 AMAQI
15th Jul 2025764 AMAQI
24°C17/30°C
15th Jul 2025795 AMAQI
15th Jul 2025766 AMAQI
15th Jul 2025787 AMAQI
15th Jul 2025768 AMAQI
15th Jul 2025729 AMAQI
15th Jul 20257210 AMAQI
15th Jul 20257511 AMAQI
15th Jul 20257212 PMAQI
15th Jul 2025691 PMAQI
15th Jul 2025692 PMAQI
15th Jul 2025683 PMAQI
15th Jul 2025694 PMAQI
15th Jul 2025675 PMAQI
15th Jul 2025686 PMAQI
15th Jul 2025727 PMAQI
15th Jul 2025728 PMAQI
15th Jul 2025689 PMAQI
15th Jul 20257010 PMAQI
15th Jul 20256811 PMAQI
16th Jul 20256712 AMAQI
16th Jul 2025651 AMAQI
16th Jul 2025602 AMAQI
16th Jul 2025463 AMAQI
16th Jul 2025434 AMAQI
25°C18/32°C
16th Jul 2025455 AMAQI
16th Jul 2025456 AMAQI
16th Jul 2025507 AMAQI
16th Jul 2025528 AMAQI
16th Jul 2025539 AMAQI
16th Jul 20255410 AMAQI
16th Jul 20255311 AMAQI
16th Jul 20255412 PMAQI
16th Jul 2025541 PMAQI
16th Jul 2025532 PMAQI
16th Jul 2025543 PMAQI
16th Jul 2025544 PMAQI
16th Jul 2025535 PMAQI
16th Jul 2025546 PMAQI
16th Jul 2025557 PMAQI
16th Jul 2025548 PMAQI
16th Jul 2025529 PMAQI
16th Jul 20255210 PMAQI
16th Jul 20255011 PMAQI
17th Jul 20255012 AMAQI
17th Jul 2025501 AMAQI
17th Jul 2025462 AMAQI
17th Jul 2025393 AMAQI
17th Jul 2025384 AMAQI
27°C22/31°C
17th Jul 2025385 AMAQI
17th Jul 2025426 AMAQI
17th Jul 2025367 AMAQI
17th Jul 2025358 AMAQI
17th Jul 2025359 AMAQI
17th Jul 20253710 AMAQI
17th Jul 20253511 AMAQI
17th Jul 20253512 PMAQI
17th Jul 2025361 PMAQI
17th Jul 2025362 PMAQI
17th Jul 2025383 PMAQI
17th Jul 2025374 PMAQI
17th Jul 2025375 PMAQI
17th Jul 2025386 PMAQI
17th Jul 2025377 PMAQI
17th Jul 2025368 PMAQI
17th Jul 2025359 PMAQI
17th Jul 20253410 PMAQI
17th Jul 20253411 PMAQI
18th Jul 20253412 AMAQI
18th Jul 2025341 AMAQI
18th Jul 2025302 AMAQI
18th Jul 2025303 AMAQI
18th Jul 2025284 AMAQI
22°C20/23°C
18th Jul 2025285 AMAQI
18th Jul 2025306 AMAQI
18th Jul 2025317 AMAQI
18th Jul 2025368 AMAQI
18th Jul 2025349 AMAQI
18th Jul 20253210 AMAQI
18th Jul 20253211 AMAQI
18th Jul 20253212 PMAQI
18th Jul 2025361 PMAQI
18th Jul 2025412 PMAQI
18th Jul 2025393 PMAQI
18th Jul 2025394 PMAQI
18th Jul 2025405 PMAQI
18th Jul 2025376 PMAQI
18th Jul 2025347 PMAQI
18th Jul 2025338 PMAQI
18th Jul 2025359 PMAQI
18th Jul 20253710 PMAQI
18th Jul 20253611 PMAQI
19th Jul 20253412 AMAQI
19th Jul 2025341 AMAQI
19th Jul 2025352 AMAQI
19th Jul 2025413 AMAQI
19th Jul 2025504 AMAQI
22°C18/27°C
19th Jul 2025395 AMAQI
19th Jul 2025366 AMAQI
19th Jul 2025367 AMAQI
19th Jul 2025388 AMAQI
19th Jul 2025419 AMAQI
19th Jul 20253810 AMAQI
19th Jul 20253711 AMAQI
19th Jul 20253912 PMAQI
19th Jul 2025401 PMAQI
19th Jul 2025392 PMAQI
19th Jul 2025403 PMAQI
19th Jul 2025394 PMAQI
19th Jul 2025395 PMAQI
19th Jul 2025386 PMAQI
19th Jul 2025387 PMAQI
19th Jul 2025408 PMAQI
19th Jul 2025409 PMAQI
19th Jul 20254110 PMAQI
19th Jul 20254011 PMAQI
20th Jul 20253912 AMAQI
20th Jul 2025381 AMAQI
20th Jul 2025362 AMAQI
20th Jul 2025333 AMAQI
20th Jul 2025334 AMAQI
23°C19/27°C
20th Jul 2025325 AMAQI
20th Jul 2025326 AMAQI
20th Jul 2025357 AMAQI
20th Jul 2025388 AMAQI
20th Jul 2025389 AMAQI
20th Jul 20253710 AMAQI
20th Jul 20253711 AMAQI
20th Jul 20253512 PMAQI
20th Jul 2025371 PMAQI
20th Jul 2025382 PMAQI
20th Jul 2025383 PMAQI
20th Jul 2025384 PMAQI
20th Jul 2025395 PMAQI
20th Jul 2025386 PMAQI
20th Jul 2025377 PMAQI
20th Jul 2025378 PMAQI
20th Jul 2025359 PMAQI
20th Jul 20253410 PMAQI
20th Jul 20253611 PMAQI
21st Jul 20253812 AMAQI
21st Jul 2025401 AMAQI
21st Jul 2025462 AMAQI
21st Jul 2025553 AMAQI
21st Jul 2025574 AMAQI
23°C21/23°C
21st Jul 2025615 AMAQI
21st Jul 2025526 AMAQI
21st Jul 2025507 AMAQI
21st Jul 2025508 AMAQI
21st Jul 2025509 AMAQI
21st Jul 20254910 AMAQI
21st Jul 20254811 AMAQI
21st Jul 20254912 PMAQI
21st Jul 2025471 PMAQI
21st Jul 2025492 PMAQI
21st Jul 2025533 PMAQI
21st Jul 2025554 PMAQI
21st Jul 2025565 PMAQI
21st Jul 2025566 PMAQI
21st Jul 2025537 PMAQI
21st Jul 2025528 PMAQI
21st Jul 2025559 PMAQI
21st Jul 20255410 PMAQI
21st Jul 20255711 PMAQI
22nd Jul 20255412 AMAQI
22nd Jul 2025551 AMAQI
22nd Jul 2025562 AMAQI
22nd Jul 2025633 AMAQI
22nd Jul 2025614 AMAQI
23°C20/29°C
22nd Jul 2025605 AMAQI
22nd Jul 2025606 AMAQI
22nd Jul 2025617 AMAQI
22nd Jul 2025628 AMAQI
22nd Jul 2025649 AMAQI
22nd Jul 20256210 AMAQI
22nd Jul 20256311 AMAQI
22nd Jul 20256312 PMAQI
22nd Jul 2025631 PMAQI
22nd Jul 2025622 PMAQI
22nd Jul 2025623 PMAQI
22nd Jul 2025614 PMAQI
22nd Jul 2025605 PMAQI
22nd Jul 2025586 PMAQI
22nd Jul 2025607 PMAQI
22nd Jul 2025598 PMAQI
22nd Jul 2025579 PMAQI
22nd Jul 20255610 PMAQI
22nd Jul 20255811 PMAQI
23rd Jul 20255712 AMAQI
23rd Jul 2025561 AMAQI
23rd Jul 2025532 AMAQI
23rd Jul 2025473 AMAQI
23rd Jul 2025474 AMAQI
23°C16/31°C
23rd Jul 2025455 AMAQI
23rd Jul 2025466 AMAQI
23rd Jul 2025497 AMAQI
23rd Jul 2025498 AMAQI
23rd Jul 2025509 AMAQI
23rd Jul 20255110 AMAQI
23rd Jul 20255411 AMAQI
23rd Jul 20255412 PMAQI
23rd Jul 2025541 PMAQI
23rd Jul 2025552 PMAQI
23rd Jul 2025533 PMAQI
23rd Jul 2025534 PMAQI
23rd Jul 2025525 PMAQI
23rd Jul 2025526 PMAQI
23rd Jul 2025517 PMAQI
23rd Jul 2025518 PMAQI
23rd Jul 2025519 PMAQI
23rd Jul 20255110 PMAQI
23rd Jul 20255111 PMAQI
24th Jul 20255012 AMAQI
24th Jul 2025501 AMAQI
24th Jul 2025502 AMAQI
24th Jul 2025503 AMAQI
24th Jul 2025484 AMAQI
25°C18/33°C
24th Jul 2025485 AMAQI
24th Jul 2025516 AMAQI
24th Jul 2025547 AMAQI
24th Jul 2025538 AMAQI
24th Jul 2025509 AMAQI
24th Jul 20255110 AMAQI
24th Jul 20255311 AMAQI
24th Jul 20255412 PMAQI
24th Jul 2025511 PMAQI
24th Jul 2025512 PMAQI
24th Jul 2025513 PMAQI
24th Jul 2025514 PMAQI
24th Jul 2025515 PMAQI
24th Jul 2025516 PMAQI
24th Jul 2025507 PMAQI
24th Jul 2025518 PMAQI
24th Jul 2025489 PMAQI
24th Jul 20254810 PMAQI
24th Jul 20254911 PMAQI
25th Jul 20255012 AMAQI
25th Jul 2025501 AMAQI
25th Jul 2025512 AMAQI
25th Jul 2025433 AMAQI
25th Jul 2025444 AMAQI
28°C23/36°C
25th Jul 2025425 AMAQI
25th Jul 2025416 AMAQI
25th Jul 2025427 AMAQI
25th Jul 2025408 AMAQI
25th Jul 2025419 AMAQI
25th Jul 20254510 AMAQI
25th Jul 20254711 AMAQI
25th Jul 20254412 PMAQI
25th Jul 2025421 PMAQI
25th Jul 2025432 PMAQI
25th Jul 2025453 PMAQI
25th Jul 2025454 PMAQI
25th Jul 2025475 PMAQI
25th Jul 2025456 PMAQI
25th Jul 2025447 PMAQI
25th Jul 2025448 PMAQI
25th Jul 2025419 PMAQI
25th Jul 20254010 PMAQI
25th Jul 20254011 PMAQI
26th Jul 20254012 AMAQI
26th Jul 2025381 AMAQI
26th Jul 2025322 AMAQI
26th Jul 2025363 AMAQI
26th Jul 2025364 AMAQI
24°C23/26°C
26th Jul 2025325 AMAQI
26th Jul 2025316 AMAQI
26th Jul 2025317 AMAQI
26th Jul 2025318 AMAQI
26th Jul 2025309 AMAQI
26th Jul 20253210 AMAQI
26th Jul 20253111 AMAQI
26th Jul 20253212 PMAQI
26th Jul 2025361 PMAQI
26th Jul 2025372 PMAQI
26th Jul 2025343 PMAQI
26th Jul 2025334 PMAQI
26th Jul 2025345 PMAQI
26th Jul 2025346 PMAQI
26th Jul 2025357 PMAQI
26th Jul 2025358 PMAQI
26th Jul 2025369 PMAQI
26th Jul 20253710 PMAQI
26th Jul 20253411 PMAQI
27th Jul 20253312 AMAQI
27th Jul 2025331 AMAQI
27th Jul 2025292 AMAQI
27th Jul 2025293 AMAQI
27th Jul 2025294 AMAQI
26°C22/28°C
27th Jul 2025255 AMAQI
27th Jul 2025266 AMAQI
27th Jul 2025277 AMAQI
27th Jul 2025298 AMAQI
27th Jul 2025289 AMAQI
27th Jul 20253010 AMAQI
27th Jul 20253111 AMAQI
27th Jul 20253512 PMAQI
27th Jul 2025361 PMAQI
27th Jul 2025352 PMAQI
27th Jul 2025333 PMAQI
27th Jul 2025324 PMAQI
27th Jul 2025325 PMAQI
27th Jul 2025306 PMAQI
27th Jul 2025297 PMAQI
27th Jul 2025308 PMAQI
27th Jul 2025329 PMAQI
27th Jul 20253110 PMAQI
27th Jul 20253111 PMAQI
28th Jul 20253112 AMAQI
28th Jul 2025311 AMAQI
28th Jul 2025302 AMAQI
28th Jul 2025293 AMAQI
28th Jul 2025304 AMAQI
26°C22/29°C
28th Jul 2025355 AMAQI
28th Jul 2025366 AMAQI
28th Jul 2025387 AMAQI
28th Jul 2025388 AMAQI
28th Jul 2025419 AMAQI
28th Jul 20253710 AMAQI
28th Jul 20253611 AMAQI
28th Jul 20254112 PMAQI
28th Jul 2025411 PMAQI
28th Jul 2025432 PMAQI
28th Jul 2025423 PMAQI
28th Jul 2025424 PMAQI
28th Jul 2025415 PMAQI
28th Jul 2025416 PMAQI
28th Jul 2025377 PMAQI
28th Jul 2025358 PMAQI
28th Jul 2025359 PMAQI
28th Jul 20253510 PMAQI
28th Jul 20253611 PMAQI
29th Jul 20253512 AMAQI
29th Jul 2025341 AMAQI
29th Jul 2025332 AMAQI
29th Jul 2025323 AMAQI
29th Jul 2025344 AMAQI
26°C22/30°C
29th Jul 2025325 AMAQI
29th Jul 2025376 AMAQI
29th Jul 2025367 AMAQI
29th Jul 2025378 AMAQI
29th Jul 2025389 AMAQI
29th Jul 20254210 AMAQI
29th Jul 20254211 AMAQI
29th Jul 20254412 PMAQI
29th Jul 2025441 PMAQI
29th Jul 2025482 PMAQI
29th Jul 2025433 PMAQI
29th Jul 2025444 PMAQI
29th Jul 2025435 PMAQI
29th Jul 2025426 PMAQI
29th Jul 2025407 PMAQI
29th Jul 2025408 PMAQI
29th Jul 2025429 PMAQI
29th Jul 20254010 PMAQI
29th Jul 20253911 PMAQI
30th Jul 20254012 AMAQI
30th Jul 2025441 AMAQI
30th Jul 2025412 AMAQI
30th Jul 2025363 AMAQI
30th Jul 2025374 AMAQI
26°C20/33°C
30th Jul 2025385 AMAQI
30th Jul 2025416 AMAQI
30th Jul 2025467 AMAQI
30th Jul 2025468 AMAQI
30th Jul 2025489 AMAQI
30th Jul 20254910 AMAQI
30th Jul 20255011 AMAQI
30th Jul 20254512 PMAQI
30th Jul 2025461 PMAQI
30th Jul 2025482 PMAQI
30th Jul 2025473 PMAQI
30th Jul 2025474 PMAQI
30th Jul 2025475 PMAQI
30th Jul 2025476 PMAQI
30th Jul 2025477 PMAQI
30th Jul 2025478 PMAQI
30th Jul 2025469 PMAQI
30th Jul 20254710 PMAQI
30th Jul 20254811 PMAQI
31st Jul 20254912 AMAQI
31st Jul 2025501 AMAQI
31st Jul 2025552 AMAQI
31st Jul 2025623 AMAQI
31st Jul 2025554 AMAQI
24°C23/26°C
31st Jul 2025505 AMAQI
31st Jul 2025576 AMAQI
31st Jul 2025657 AMAQI
31st Jul 2025738 AMAQI
31st Jul 2025929 AMAQI
31st Jul 202510610 AMAQI
31st Jul 202511011 AMAQI
31st Jul 202511912 PMAQI
31st Jul 20251181 PMAQI
31st Jul 20251222 PMAQI
31st Jul 20251263 PMAQI
31st Jul 20251184 PMAQI
31st Jul 20251075 PMAQI
31st Jul 20251096 PMAQI
31st Jul 2025767 PMAQI
31st Jul 2025968 PMAQI
31st Jul 20251229 PMAQI
31st Jul 202511310 PMAQI
31st Jul 202510611 PMAQI
1st Aug 202510612 AMAQI
1st Aug 2025941 AMAQI
1st Aug 20251002 AMAQI
1st Aug 2025963 AMAQI
1st Aug 2025934 AMAQI
22°C19/26°C
1st Aug 2025905 AMAQI
1st Aug 20251016 AMAQI
1st Aug 20251027 AMAQI
1st Aug 2025958 AMAQI
1st Aug 2025889 AMAQI
1st Aug 20258410 AMAQI
1st Aug 20257911 AMAQI
1st Aug 20258812 PMAQI
1st Aug 2025871 PMAQI
1st Aug 2025852 PMAQI
1st Aug 2025843 PMAQI
1st Aug 2025764 PMAQI
1st Aug 2025735 PMAQI
1st Aug 2025666 PMAQI
1st Aug 2025927 PMAQI
1st Aug 2025798 PMAQI
1st Aug 2025669 PMAQI
1st Aug 20256910 PMAQI
1st Aug 20257211 PMAQI
2nd Aug 20257212 AMAQI
2nd Aug 2025741 AMAQI
2nd Aug 2025752 AMAQI
2nd Aug 2025743 AMAQI
2nd Aug 2025724 AMAQI
20°C15/26°C
2nd Aug 2025705 AMAQI
2nd Aug 2025626 AMAQI
2nd Aug 2025677 AMAQI
2nd Aug 2025678 AMAQI
2nd Aug 2025719 AMAQI
2nd Aug 20257110 AMAQI
2nd Aug 20256811 AMAQI
2nd Aug 20256212 PMAQI
2nd Aug 2025571 PMAQI
2nd Aug 2025562 PMAQI
2nd Aug 2025533 PMAQI
2nd Aug 2025494 PMAQI
2nd Aug 2025485 PMAQI
2nd Aug 2025486 PMAQI
2nd Aug 2025647 PMAQI
2nd Aug 2025648 PMAQI
2nd Aug 2025589 PMAQI
2nd Aug 20255810 PMAQI
2nd Aug 20256311 PMAQI
3rd Aug 20256512 AMAQI
3rd Aug 2025651 AMAQI
3rd Aug 2025692 AMAQI
3rd Aug 2025723 AMAQI
3rd Aug 2025744 AMAQI
21°C15/26°C
3rd Aug 2025725 AMAQI
3rd Aug 2025676 AMAQI
3rd Aug 2025707 AMAQI
3rd Aug 2025728 AMAQI
3rd Aug 2025679 AMAQI
3rd Aug 20256810 AMAQI
3rd Aug 20256311 AMAQI
3rd Aug 20256012 PMAQI
3rd Aug 2025561 PMAQI
3rd Aug 2025572 PMAQI
3rd Aug 2025573 PMAQI
3rd Aug 2025574 PMAQI
3rd Aug 2025575 PMAQI
3rd Aug 2025586 PMAQI
3rd Aug 2025627 PMAQI
3rd Aug 2025608 PMAQI
3rd Aug 2025619 PMAQI
3rd Aug 20256510 PMAQI
3rd Aug 20257311 PMAQI
4th Aug 20257812 AMAQI
4th Aug 2025831 AMAQI
4th Aug 2025842 AMAQI
4th Aug 2025743 AMAQI
4th Aug 2025684 AMAQI
21°C14/28°C
4th Aug 2025665 AMAQI
4th Aug 2025636 AMAQI
4th Aug 2025617 AMAQI
4th Aug 2025608 AMAQI
4th Aug 2025599 AMAQI
4th Aug 20256210 AMAQI
4th Aug 20256311 AMAQI
4th Aug 20256012 PMAQI
4th Aug 2025581 PMAQI
4th Aug 2025582 PMAQI
4th Aug 2025583 PMAQI
4th Aug 2025574 PMAQI
4th Aug 2025565 PMAQI
4th Aug 2025566 PMAQI
4th Aug 2025657 PMAQI
4th Aug 2025608 PMAQI
4th Aug 2025579 PMAQI
4th Aug 20255710 PMAQI
4th Aug 20255811 PMAQI
5th Aug 20255812 AMAQI
5th Aug 2025601 AMAQI
5th Aug 2025612 AMAQI
5th Aug 2025603 AMAQI
5th Aug 2025604 AMAQI
21°C14/26°C
5th Aug 2025605 AMAQI
5th Aug 2025616 AMAQI
5th Aug 2025627 AMAQI
5th Aug 2025688 AMAQI
5th Aug 2025769 AMAQI
5th Aug 20258110 AMAQI
5th Aug 20257911 AMAQI
5th Aug 20257512 PMAQI
5th Aug 2025791 PMAQI
5th Aug 2025792 PMAQI
5th Aug 2025773 PMAQI
5th Aug 2025764 PMAQI
5th Aug 2025795 PMAQI
5th Aug 2025826 PMAQI
5th Aug 2025687 PMAQI
5th Aug 2025798 PMAQI
5th Aug 2025909 PMAQI
5th Aug 20259110 PMAQI
5th Aug 20259111 PMAQI
6th Aug 20258712 AMAQI
6th Aug 2025881 AMAQI
6th Aug 2025862 AMAQI
6th Aug 2025863 AMAQI
6th Aug 2025864 AMAQI
22°C17/28°C
6th Aug 2025845 AMAQI
6th Aug 2025826 AMAQI
6th Aug 2025807 AMAQI
6th Aug 2025778 AMAQI
6th Aug 2025759 AMAQI
6th Aug 20257410 AMAQI
6th Aug 20257011 AMAQI
6th Aug 20256812 PMAQI
6th Aug 2025701 PMAQI
6th Aug 2025702 PMAQI
6th Aug 2025683 PMAQI
6th Aug 2025644 PMAQI
6th Aug 2025645 PMAQI
6th Aug 2025606 PMAQI
6th Aug 2025827 PMAQI
6th Aug 2025698 PMAQI
6th Aug 2025579 PMAQI
6th Aug 20255810 PMAQI
6th Aug 20255811 PMAQI
7th Aug 20256612 AMAQI
7th Aug 2025711 AMAQI
7th Aug 2025632 AMAQI
7th Aug 2025573 AMAQI
7th Aug 2025554 AMAQI
23°C16/30°C
7th Aug 2025565 AMAQI
5 AM7th Aug 2025596 AMAQI
7th Aug 2025597 AMAQI
7th Aug 2025588 AMAQI
7th Aug 2025579 AMAQI
12 PM
8 PM
12 AM
4 AM
--°C/°C
Day time
Avg. Highest Time
5 AM - 8 PM
53AQI
16 hours / Day
480 hours / Month
Avg. Lowest Time
5 AM - 8 PM
53AQI
16 hours / Day
480 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 5 AM to 8 PM (Avg. 53), while the lowest AQI was between 5 AM to 8 PM (Avg. 53).
Night time
Avg. Highest Time
12 AM - 11 PM
52AQI
8 hours / Day
240 hours / Month
Avg. Lowest Time
12 AM - 11 PM
52AQI
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. 52), while the lowest AQI was between 12 AM to 11 PM (Avg. 52).
2025 Days Vs Air Quality
Portage, Indiana, United States
2025
80%
175
18%
40
1%
3
Total number of days with different AQI categories in last 219 days in 2025 (146 days remaining)
Good
175 DaysModerate
40 DaysPoor
3 DaysUnhealthy
0 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 80%
Health Risk Level:
Low
In 2025, 80% of 219 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
Portage, Indiana, 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
26AQI
26AQI
2nd January 2025
24AQI
24AQI
3rd January 2025
30AQI
30AQI
4th January 2025
25AQI
25AQI
5th January 2025
27AQI
27AQI
6th January 2025
24AQI
24AQI
7th January 2025
25AQI
25AQI
8th January 2025
37AQI
37AQI
9th January 2025
42AQI
42AQI
10th January 2025
63AQI
63AQI
11th January 2025
48AQI
48AQI
12th January 2025
39AQI
39AQI
13th January 2025
23AQI
23AQI
14th January 2025
27AQI
27AQI
15th January 2025
42AQI
42AQI
16th January 2025
46AQI
46AQI
17th January 2025
30AQI
30AQI
18th January 2025
27AQI
27AQI
19th January 2025
25AQI
25AQI
20th January 2025
25AQI
25AQI
21st January 2025
27AQI
27AQI
22nd January 2025
28AQI
28AQI
23rd January 2025
35AQI
35AQI
24th January 2025
39AQI
39AQI
25th January 2025
29AQI
29AQI
26th January 2025
25AQI
25AQI
27th January 2025
24AQI
24AQI
28th January 2025
28AQI
28AQI
29th January 2025
29AQI
29AQI
30th January 2025
31AQI
31AQI
31st January 2025
38AQI
38AQI
1st February 2025
26AQI
26AQI
2nd February 2025
37AQI
37AQI
3rd February 2025
44AQI
44AQI
4th February 2025
25AQI
25AQI
5th February 2025
30AQI
30AQI
6th February 2025
28AQI
28AQI
7th February 2025
29AQI
29AQI
8th February 2025
34AQI
34AQI
9th February 2025
35AQI
35AQI
10th February 2025
33AQI
33AQI
11th February 2025
32AQI
32AQI
12th February 2025
49AQI
49AQI
13th February 2025
36AQI
36AQI
14th February 2025
42AQI
42AQI
15th February 2025
39AQI
39AQI
16th February 2025
34AQI
34AQI
17th February 2025
29AQI
29AQI
18th February 2025
30AQI
30AQI
19th February 2025
34AQI
34AQI
20th February 2025
40AQI
40AQI
21st February 2025
44AQI
44AQI
22nd February 2025
41AQI
41AQI
23rd February 2025
48AQI
48AQI
24th February 2025
41AQI
41AQI
25th February 2025
47AQI
47AQI
26th February 2025
40AQI
40AQI
27th February 2025
40AQI
40AQI
28th February 2025
31AQI
31AQI
1st March 2025
29AQI
29AQI
2nd March 2025
35AQI
35AQI
3rd March 2025
34AQI
34AQI
4th March 2025
32AQI
32AQI
5th March 2025
26AQI
26AQI
6th March 2025
27AQI
27AQI
7th March 2025
28AQI
28AQI
8th March 2025
33AQI
33AQI
9th March 2025
30AQI
30AQI
10th March 2025
29AQI
29AQI
11th March 2025
32AQI
32AQI
12th March 2025
30AQI
30AQI
13th March 2025
37AQI
37AQI
14th March 2025
43AQI
43AQI
15th March 2025
83AQI
83AQI
16th March 2025
24AQI
24AQI
17th March 2025
34AQI
34AQI
18th March 2025
28AQI
28AQI
19th March 2025
33AQI
33AQI
20th March 2025
21AQI
21AQI
21st March 2025
24AQI
24AQI
22nd March 2025
23AQI
23AQI
23rd March 2025
26AQI
26AQI
24th March 2025
24AQI
24AQI
25th March 2025
44AQI
44AQI
26th March 2025
54AQI
54AQI
27th March 2025
52AQI
52AQI
28th March 2025
44AQI
44AQI
29th March 2025
35AQI
35AQI
30th March 2025
31AQI
31AQI
31st March 2025
18AQI
18AQI
1st April 2025
18AQI
18AQI
2nd April 2025
31AQI
31AQI
3rd April 2025
25AQI
25AQI
4th April 2025
35AQI
35AQI
5th April 2025
18AQI
18AQI
6th April 2025
18AQI
18AQI
7th April 2025
27AQI
27AQI
8th April 2025
20AQI
20AQI
9th April 2025
25AQI
25AQI
10th April 2025
42AQI
42AQI
11th April 2025
35AQI
35AQI
12th April 2025
52AQI
52AQI
13th April 2025
40AQI
40AQI
14th April 2025
34AQI
34AQI
15th April 2025
24AQI
24AQI
16th April 2025
23AQI
23AQI
17th April 2025
32AQI
32AQI
18th April 2025
48AQI
48AQI
19th April 2025
39AQI
39AQI
20th April 2025
32AQI
32AQI
21st April 2025
24AQI
24AQI
22nd April 2025
29AQI
29AQI
23rd April 2025
37AQI
37AQI
24th April 2025
53AQI
53AQI
25th April 2025
22AQI
22AQI
26th April 2025
18AQI
18AQI
27th April 2025
21AQI
21AQI
28th April 2025
26AQI
26AQI
29th April 2025
34AQI
34AQI
30th April 2025
23AQI
23AQI
1st May 2025
26AQI
26AQI
2nd May 2025
28AQI
28AQI
3rd May 2025
17AQI
17AQI
4th May 2025
19AQI
19AQI
5th May 2025
23AQI
23AQI
6th May 2025
35AQI
35AQI
7th May 2025
38AQI
38AQI
8th May 2025
23AQI
23AQI
9th May 2025
31AQI
31AQI
10th May 2025
37AQI
37AQI
11th May 2025
24AQI
24AQI
12th May 2025
35AQI
35AQI
13th May 2025
31AQI
31AQI
14th May 2025
39AQI
39AQI
15th May 2025
49AQI
49AQI
16th May 2025
49AQI
49AQI
17th May 2025
45AQI
45AQI
18th May 2025
42AQI
42AQI
19th May 2025
19AQI
19AQI
20th May 2025
25AQI
25AQI
21st May 2025
24AQI
24AQI
22nd May 2025
16AQI
16AQI
23rd May 2025
19AQI
19AQI
24th May 2025
23AQI
23AQI
25th May 2025
23AQI
23AQI
26th May 2025
21AQI
21AQI
27th May 2025
33AQI
33AQI
28th May 2025
32AQI
32AQI
29th May 2025
41AQI
41AQI
30th May 2025
45AQI
45AQI
31st May 2025
35AQI
35AQI
1st June 2025
33AQI
33AQI
2nd June 2025
41AQI
41AQI
3rd June 2025
55AQI
55AQI
4th June 2025
69AQI
69AQI
5th June 2025
108AQI
108AQI
6th June 2025
79AQI
79AQI
7th June 2025
73AQI
73AQI
8th June 2025
70AQI
70AQI
9th June 2025
65AQI
65AQI
10th June 2025
57AQI
57AQI
11th June 2025
65AQI
65AQI
12th June 2025
74AQI
74AQI
13th June 2025
73AQI
73AQI
14th June 2025
65AQI
65AQI
15th June 2025
45AQI
45AQI
16th June 2025
54AQI
54AQI
17th June 2025
45AQI
45AQI
18th June 2025
38AQI
38AQI
19th June 2025
31AQI
31AQI
20th June 2025
38AQI
38AQI
21st June 2025
40AQI
40AQI
22nd June 2025
45AQI
45AQI
23rd June 2025
55AQI
55AQI
24th June 2025
52AQI
52AQI
25th June 2025
38AQI
38AQI
26th June 2025
40AQI
40AQI
27th June 2025
33AQI
33AQI
28th June 2025
21AQI
21AQI
29th June 2025
32AQI
32AQI
30th June 2025
33AQI
33AQI
1st July 2025
34AQI
34AQI
2nd July 2025
54AQI
54AQI
3rd July 2025
56AQI
56AQI
4th July 2025
59AQI
59AQI
5th July 2025
74AQI
74AQI
6th July 2025
59AQI
59AQI
7th July 2025
48AQI
48AQI
8th July 2025
67AQI
67AQI
9th July 2025
54AQI
54AQI
10th July 2025
45AQI
45AQI
11th July 2025
49AQI
49AQI
12th July 2025
38AQI
38AQI
13th July 2025
53AQI
53AQI
14th July 2025
76AQI
76AQI
15th July 2025
84AQI
84AQI
16th July 2025
54AQI
54AQI
17th July 2025
32AQI
32AQI
18th July 2025
27AQI
27AQI
19th July 2025
38AQI
38AQI
20th July 2025
31AQI
31AQI
21st July 2025
58AQI
58AQI
22nd July 2025
73AQI
73AQI
23rd July 2025
60AQI
60AQI
24th July 2025
57AQI
57AQI
25th July 2025
42AQI
42AQI
26th July 2025
34AQI
34AQI
27th July 2025
32AQI
32AQI
28th July 2025
39AQI
39AQI
29th July 2025
42AQI
42AQI
30th July 2025
47AQI
47AQI
31st July 2025
107AQI
107AQI
1st August 2025
104AQI
104AQI
2nd August 2025
77AQI
77AQI
3rd August 2025
77AQI
77AQI
4th August 2025
72AQI
72AQI
5th August 2025
83AQI
83AQI
6th August 2025
89AQI
89AQI
32AQI
36AQI
34AQI
30AQI
31AQI
52AQI
52AQI
84AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202539AQI
30
1
28
28
3
28
2
31
15
14
1
15
15
1
5
1
175
40
3
Highest AQI recorded in
August84AQI
Lowest AQI recorded in
April30AQI
202435AQI
29
2
21
8
31
30
31
28
1
25
6
25
6
26
4
29
2
29
1
30
1
334
31
Highest AQI recorded in
July43AQI
Lowest AQI recorded in
November26AQI
202341AQI
24
7
25
3
29
2
27
3
21
10
7
20
1
2
20
10
1
17
14
29
1
31
28
1
28
3
286
74
2
2
Highest AQI recorded in
June67AQI
Lowest AQI recorded in
December31AQI
202236AQI
28
2
13
2
8
24
26
5
23
7
21
1
27
2
25
6
24
6
24
7
244
37
Highest AQI recorded in
August46AQI
Lowest AQI recorded in
March24AQI
202138AQI
28
2
23
5
30
1
27
3
30
1
26
4
15
16
19
12
27
3
23
5
29
1
30
1
307
54
Highest AQI recorded in
July54AQI
Lowest AQI recorded in
November31AQI
202034AQI
13
12
18
26
4
26
5
31
30
29
1
29
1
26
5
240
16
Highest AQI recorded in
June39AQI
Lowest AQI recorded in
October28AQI
Most & Least Polluted Years Over the Last 6 Years
Most Polluted Year Recorded
2023(Avg.)
41AQILeast Polluted Year Recorded
2020(Avg.)
34AQIPortage's annual 2025 AQI (39) shows an average percentage change of 7.2% (worsened AQI) compared to previous years: 2020 (34), 2021 (38), 2022 (36), 2023 (41), 2024 (35).
