East Chicago, 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+
October Air Quality Analysis
East Chicago, Indiana, United States
2021
2022
2023
2024
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
31st Oct 2022
64AQILowest AQI recorded on
26th Oct 2024
7AQISame Day Analysis (29th October ):
On this day, AQI across the 5 years varied significantly: 2025 ranks the most lowest AQI at 23 of Good air quality, showing improvement over 2024, 2023, 2022 and 2021 on the same day.
Download 2024 Annual Data
World Air Quality Report
Day & Night AQI Trend: 29th Oct - 30th Oct 2025
East Chicago, Indiana, United States
AQI
Day
Night
.
7 AM29th Oct 2025
6 PM
6 AM30th Oct 2025
Day time
Avg. Highest Time
3PM29th Oct
28AQI
Avg. Lowest Time
8AM29th Oct
17AQI
Night time
Avg. Highest Time
1AM30th Oct
32AQI
Avg. Lowest Time
6AM30th Oct
22AQI
In the last 24 hours,
East Chicago's AQI reached its highest point of 32 at 1 AM during the Night, while the lowest point, 17, was recorded at 8 AM during the Day between 29th Oct and 30th Oct 2025.
Day & Night AQI Trend : Sep - Oct 2025
East Chicago, Indiana, United States
SepOct
30th - 01st01st - 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
Day
Night
30th Sep 2025347 AMAQI
30th Sep 2025288 AMAQI
30th Sep 2025249 AMAQI
30th Sep 20252610 AMAQI
30th Sep 20252111 AMAQI
30th Sep 20252412 PMAQI
30th Sep 2025281 PMAQI
30th Sep 2025432 PMAQI
30th Sep 2025393 PMAQI
30th Sep 2025294 PMAQI
30th Sep 2025395 PMAQI
30th Sep 2025476 PMAQI
30th Sep 2025457 PMAQI
30th Sep 2025408 PMAQI
30th Sep 2025429 PMAQI
30th Sep 20254010 PMAQI
30th Sep 20253311 PMAQI
1st Oct 20253212 AMAQI
1st Oct 2025331 AMAQI
1st Oct 2025322 AMAQI
1st Oct 2025343 AMAQI
1st Oct 2025394 AMAQI
1st Oct 2025465 AMAQI
1st Oct 2025426 AMAQI
21°C15/27°C
1st Oct 2025327 AMAQI
1st Oct 2025308 AMAQI
1st Oct 2025309 AMAQI
1st Oct 20252810 AMAQI
1st Oct 20254811 AMAQI
1st Oct 20253712 PMAQI
1st Oct 2025361 PMAQI
1st Oct 2025322 PMAQI
1st Oct 2025353 PMAQI
1st Oct 2025394 PMAQI
1st Oct 2025415 PMAQI
1st Oct 2025506 PMAQI
1st Oct 2025487 PMAQI
1st Oct 2025438 PMAQI
1st Oct 2025379 PMAQI
1st Oct 20253510 PMAQI
1st Oct 20254211 PMAQI
2nd Oct 20254612 AMAQI
2nd Oct 2025541 AMAQI
2nd Oct 2025242 AMAQI
2nd Oct 2025143 AMAQI
2nd Oct 2025184 AMAQI
2nd Oct 2025175 AMAQI
2nd Oct 2025146 AMAQI
21°C14/27°C
2nd Oct 2025307 AMAQI
2nd Oct 2025248 AMAQI
2nd Oct 2025209 AMAQI
2nd Oct 20251610 AMAQI
2nd Oct 20252411 AMAQI
2nd Oct 20252612 PMAQI
2nd Oct 2025361 PMAQI
2nd Oct 2025352 PMAQI
2nd Oct 2025443 PMAQI
2nd Oct 2025384 PMAQI
2nd Oct 2025325 PMAQI
2nd Oct 2025636 PMAQI
2nd Oct 2025897 PMAQI
2nd Oct 2025718 PMAQI
2nd Oct 2025749 PMAQI
2nd Oct 20257310 PMAQI
2nd Oct 20255311 PMAQI
3rd Oct 20255112 AMAQI
3rd Oct 2025531 AMAQI
3rd Oct 2025492 AMAQI
3rd Oct 2025503 AMAQI
3rd Oct 2025484 AMAQI
3rd Oct 2025475 AMAQI
3rd Oct 2025436 AMAQI
20°C12/30°C
3rd Oct 2025567 AMAQI
3rd Oct 2025558 AMAQI
3rd Oct 2025559 AMAQI
3rd Oct 20255510 AMAQI
3rd Oct 20255811 AMAQI
3rd Oct 20255812 PMAQI
3rd Oct 2025601 PMAQI
3rd Oct 2025632 PMAQI
3rd Oct 2025553 PMAQI
3rd Oct 2025574 PMAQI
3rd Oct 2025615 PMAQI
3rd Oct 2025646 PMAQI
3rd Oct 2025747 PMAQI
3rd Oct 2025678 PMAQI
3rd Oct 2025679 PMAQI
3rd Oct 20256810 PMAQI
3rd Oct 20256811 PMAQI
4th Oct 20256512 AMAQI
4th Oct 2025581 AMAQI
4th Oct 2025562 AMAQI
4th Oct 2025553 AMAQI
4th Oct 2025544 AMAQI
4th Oct 2025565 AMAQI
4th Oct 2025596 AMAQI
23°C16/34°C
4th Oct 2025577 AMAQI
4th Oct 2025598 AMAQI
4th Oct 2025609 AMAQI
4th Oct 20255710 AMAQI
4th Oct 20256111 AMAQI
4th Oct 20256112 PMAQI
4th Oct 2025631 PMAQI
4th Oct 2025642 PMAQI
4th Oct 2025603 PMAQI
4th Oct 2025574 PMAQI
4th Oct 2025585 PMAQI
4th Oct 2025556 PMAQI
4th Oct 2025587 PMAQI
4th Oct 2025568 PMAQI
4th Oct 2025579 PMAQI
4th Oct 20256210 PMAQI
4th Oct 20256011 PMAQI
5th Oct 20256412 AMAQI
5th Oct 2025641 AMAQI
5th Oct 2025582 AMAQI
5th Oct 2025573 AMAQI
5th Oct 2025564 AMAQI
5th Oct 2025565 AMAQI
5th Oct 2025556 AMAQI
25°C18/33°C
5th Oct 2025577 AMAQI
5th Oct 2025548 AMAQI
5th Oct 2025559 AMAQI
5th Oct 20255510 AMAQI
5th Oct 20255411 AMAQI
5th Oct 20255312 PMAQI
5th Oct 2025541 PMAQI
5th Oct 2025502 PMAQI
5th Oct 2025483 PMAQI
5th Oct 2025454 PMAQI
5th Oct 2025465 PMAQI
5th Oct 2025486 PMAQI
5th Oct 2025517 PMAQI
5th Oct 2025398 PMAQI
5th Oct 2025459 PMAQI
5th Oct 20254810 PMAQI
5th Oct 20254711 PMAQI
6th Oct 20254512 AMAQI
6th Oct 2025471 AMAQI
6th Oct 2025402 AMAQI
6th Oct 2025393 AMAQI
6th Oct 2025404 AMAQI
6th Oct 2025405 AMAQI
6th Oct 2025396 AMAQI
23°C17/30°C
6th Oct 2025407 AMAQI
6th Oct 2025398 AMAQI
6th Oct 2025399 AMAQI
6th Oct 20253810 AMAQI
6th Oct 20254111 AMAQI
6th Oct 20253912 PMAQI
7th Oct 2025346 AMAQI
23°C18/31°C
7th Oct 2025347 AMAQI
7th Oct 2025358 AMAQI
7th Oct 2025309 AMAQI
7th Oct 20253210 AMAQI
7th Oct 20251811 AMAQI
7th Oct 20252512 PMAQI
7th Oct 2025281 PMAQI
7th Oct 2025302 PMAQI
7th Oct 2025363 PMAQI
7th Oct 2025244 PMAQI
7th Oct 2025305 PMAQI
7th Oct 2025296 PMAQI
7th Oct 2025287 PMAQI
7th Oct 2025258 PMAQI
7th Oct 2025229 PMAQI
7th Oct 20253710 PMAQI
7th Oct 20253411 PMAQI
8th Oct 20254912 AMAQI
8th Oct 2025451 AMAQI
8th Oct 2025382 AMAQI
8th Oct 2025343 AMAQI
8th Oct 2025464 AMAQI
8th Oct 2025385 AMAQI
8th Oct 2025386 AMAQI
18°C13/20°C
8th Oct 2025487 AMAQI
8th Oct 2025428 AMAQI
8th Oct 2025489 AMAQI
8th Oct 20254510 AMAQI
8th Oct 20253811 AMAQI
8th Oct 20252712 PMAQI
8th Oct 2025181 PMAQI
8th Oct 2025182 PMAQI
8th Oct 2025253 PMAQI
8th Oct 2025224 PMAQI
8th Oct 2025195 PMAQI
8th Oct 2025186 PMAQI
8th Oct 2025197 PMAQI
8th Oct 2025168 PMAQI
8th Oct 2025169 PMAQI
8th Oct 20252010 PMAQI
8th Oct 20251811 PMAQI
9th Oct 20251612 AMAQI
9th Oct 2025201 AMAQI
9th Oct 2025422 AMAQI
9th Oct 2025463 AMAQI
9th Oct 2025574 AMAQI
9th Oct 2025555 AMAQI
9th Oct 2025406 AMAQI
13°C10/18°C
9th Oct 2025387 AMAQI
9th Oct 2025228 AMAQI
9th Oct 2025269 AMAQI
9th Oct 20252910 AMAQI
9th Oct 20252811 AMAQI
9th Oct 20251812 PMAQI
9th Oct 2025151 PMAQI
9th Oct 2025222 PMAQI
9th Oct 2025173 PMAQI
9th Oct 2025304 PMAQI
9th Oct 2025285 PMAQI
9th Oct 2025236 PMAQI
9th Oct 2025227 PMAQI
9th Oct 2025188 PMAQI
9th Oct 2025229 PMAQI
9th Oct 20252510 PMAQI
9th Oct 20253511 PMAQI
10th Oct 20254212 AMAQI
10th Oct 2025431 AMAQI
10th Oct 2025352 AMAQI
10th Oct 2025393 AMAQI
10th Oct 2025284 AMAQI
10th Oct 2025435 AMAQI
10th Oct 2025316 AMAQI
12°C7/19°C
10th Oct 2025317 AMAQI
10th Oct 2025218 AMAQI
10th Oct 2025309 AMAQI
10th Oct 20254110 AMAQI
10th Oct 20254611 AMAQI
10th Oct 20254412 PMAQI
10th Oct 2025331 PMAQI
10th Oct 2025352 PMAQI
10th Oct 2025273 PMAQI
10th Oct 2025304 PMAQI
10th Oct 2025285 PMAQI
10th Oct 2025336 PMAQI
10th Oct 2025407 PMAQI
10th Oct 2025488 PMAQI
10th Oct 2025459 PMAQI
10th Oct 20254410 PMAQI
10th Oct 20254511 PMAQI
11th Oct 20254512 AMAQI
11th Oct 2025421 AMAQI
11th Oct 2025512 AMAQI
11th Oct 2025563 AMAQI
11th Oct 2025444 AMAQI
11th Oct 2025445 AMAQI
11th Oct 2025356 AMAQI
14°C7/24°C
11th Oct 2025437 AMAQI
11th Oct 2025378 AMAQI
11th Oct 2025439 AMAQI
11th Oct 20253710 AMAQI
11th Oct 20253411 AMAQI
11th Oct 20254412 PMAQI
11th Oct 2025401 PMAQI
11th Oct 2025382 PMAQI
11th Oct 2025273 PMAQI
11th Oct 2025264 PMAQI
11th Oct 2025235 PMAQI
11th Oct 2025166 PMAQI
11th Oct 2025217 PMAQI
11th Oct 2025178 PMAQI
11th Oct 2025139 PMAQI
11th Oct 20252710 PMAQI
11th Oct 20253811 PMAQI
12th Oct 20252812 AMAQI
12th Oct 2025291 AMAQI
12th Oct 2025492 AMAQI
12th Oct 2025463 AMAQI
12th Oct 2025374 AMAQI
12th Oct 2025345 AMAQI
12th Oct 2025466 AMAQI
15°C13/18°C
12th Oct 2025477 AMAQI
12th Oct 2025458 AMAQI
12th Oct 2025419 AMAQI
12th Oct 20254010 AMAQI
12th Oct 20253911 AMAQI
12th Oct 20253912 PMAQI
12th Oct 2025411 PMAQI
12th Oct 2025422 PMAQI
12th Oct 2025333 PMAQI
12th Oct 2025404 PMAQI
12th Oct 2025325 PMAQI
12th Oct 2025316 PMAQI
12th Oct 2025387 PMAQI
12th Oct 2025388 PMAQI
12th Oct 2025249 PMAQI
12th Oct 20252610 PMAQI
12th Oct 20254611 PMAQI
13th Oct 20255312 AMAQI
13th Oct 2025431 AMAQI
13th Oct 2025402 AMAQI
13th Oct 2025413 AMAQI
13th Oct 2025404 AMAQI
13th Oct 2025495 AMAQI
13th Oct 2025486 AMAQI
14°C8/22°C
13th Oct 2025477 AMAQI
13th Oct 2025478 AMAQI
13th Oct 2025529 AMAQI
13th Oct 20255410 AMAQI
13th Oct 20255411 AMAQI
13th Oct 20255612 PMAQI
13th Oct 2025551 PMAQI
13th Oct 2025512 PMAQI
13th Oct 2025483 PMAQI
13th Oct 2025454 PMAQI
13th Oct 2025425 PMAQI
13th Oct 2025556 PMAQI
13th Oct 2025657 PMAQI
13th Oct 2025678 PMAQI
13th Oct 2025529 PMAQI
13th Oct 20255210 PMAQI
13th Oct 20255611 PMAQI
14th Oct 20255412 AMAQI
14th Oct 2025531 AMAQI
14th Oct 2025542 AMAQI
14th Oct 2025603 AMAQI
14th Oct 2025714 AMAQI
14th Oct 2025725 AMAQI
14th Oct 2025816 AMAQI
16°C10/25°C
14th Oct 2025777 AMAQI
14th Oct 2025758 AMAQI
14th Oct 2025679 AMAQI
14th Oct 20256210 AMAQI
14th Oct 20256611 AMAQI
14th Oct 20256712 PMAQI
14th Oct 2025631 PMAQI
14th Oct 2025592 PMAQI
14th Oct 2025613 PMAQI
14th Oct 2025574 PMAQI
14th Oct 2025575 PMAQI
14th Oct 2025546 PMAQI
14th Oct 2025487 PMAQI
14th Oct 2025428 PMAQI
14th Oct 2025369 PMAQI
14th Oct 20253910 PMAQI
14th Oct 20253011 PMAQI
15th Oct 20253412 AMAQI
15th Oct 2025311 AMAQI
15th Oct 2025162 AMAQI
15th Oct 2025163 AMAQI
15th Oct 2025204 AMAQI
15th Oct 2025235 AMAQI
15th Oct 2025226 AMAQI
17°C13/20°C
15th Oct 2025217 AMAQI
15th Oct 2025368 AMAQI
15th Oct 2025549 AMAQI
15th Oct 20254810 AMAQI
15th Oct 20252611 AMAQI
15th Oct 20252812 PMAQI
15th Oct 2025281 PMAQI
15th Oct 2025532 PMAQI
15th Oct 2025473 PMAQI
15th Oct 2025534 PMAQI
15th Oct 2025465 PMAQI
15th Oct 2025526 PMAQI
15th Oct 2025557 PMAQI
15th Oct 2025548 PMAQI
15th Oct 2025579 PMAQI
15th Oct 20255210 PMAQI
15th Oct 20255111 PMAQI
16th Oct 20255612 AMAQI
16th Oct 2025621 AMAQI
16th Oct 2025602 AMAQI
16th Oct 2025463 AMAQI
16th Oct 2025474 AMAQI
16th Oct 2025475 AMAQI
16th Oct 2025526 AMAQI
15°C14/16°C
16th Oct 2025367 AMAQI
16th Oct 2025348 AMAQI
16th Oct 2025369 AMAQI
16th Oct 20253310 AMAQI
16th Oct 20254111 AMAQI
16th Oct 20255312 PMAQI
16th Oct 2025231 PMAQI
16th Oct 2025272 PMAQI
16th Oct 2025263 PMAQI
16th Oct 2025374 PMAQI
16th Oct 2025655 PMAQI
16th Oct 2025586 PMAQI
16th Oct 2025557 PMAQI
16th Oct 2025368 PMAQI
16th Oct 2025469 PMAQI
16th Oct 20253610 PMAQI
16th Oct 20253411 PMAQI
17th Oct 20254512 AMAQI
17th Oct 2025461 AMAQI
17th Oct 2025372 AMAQI
17th Oct 2025373 AMAQI
17th Oct 2025314 AMAQI
17th Oct 2025245 AMAQI
17th Oct 2025326 AMAQI
15°C10/21°C
17th Oct 2025337 AMAQI
17th Oct 2025368 AMAQI
17th Oct 2025379 AMAQI
17th Oct 20254310 AMAQI
17th Oct 20253111 AMAQI
17th Oct 20253812 PMAQI
17th Oct 2025341 PMAQI
17th Oct 2025372 PMAQI
17th Oct 2025333 PMAQI
17th Oct 2025314 PMAQI
17th Oct 2025385 PMAQI
17th Oct 2025366 PMAQI
17th Oct 2025387 PMAQI
17th Oct 2025358 PMAQI
17th Oct 2025339 PMAQI
17th Oct 20253710 PMAQI
17th Oct 20253911 PMAQI
18th Oct 20253612 AMAQI
18th Oct 2025411 AMAQI
18th Oct 2025412 AMAQI
18th Oct 2025403 AMAQI
18th Oct 2025404 AMAQI
18th Oct 2025395 AMAQI
18th Oct 2025446 AMAQI
18°C12/27°C
18th Oct 2025407 AMAQI
18th Oct 2025478 AMAQI
18th Oct 2025499 AMAQI
18th Oct 20255210 AMAQI
18th Oct 20255611 AMAQI
18th Oct 20255712 PMAQI
18th Oct 2025601 PMAQI
18th Oct 2025622 PMAQI
18th Oct 2025643 PMAQI
18th Oct 2025654 PMAQI
18th Oct 2025635 PMAQI
18th Oct 2025666 PMAQI
18th Oct 2025677 PMAQI
18th Oct 2025658 PMAQI
18th Oct 2025629 PMAQI
18th Oct 20255010 PMAQI
18th Oct 20254311 PMAQI
19th Oct 20253812 AMAQI
19th Oct 2025301 AMAQI
19th Oct 2025242 AMAQI
19th Oct 2025133 AMAQI
19th Oct 2025314 AMAQI
19th Oct 2025335 AMAQI
19th Oct 2025266 AMAQI
19°C16/26°C
19th Oct 2025557 AMAQI
19th Oct 2025368 AMAQI
19th Oct 2025299 AMAQI
19th Oct 20253010 AMAQI
19th Oct 20255011 AMAQI
19th Oct 20254712 PMAQI
19th Oct 2025391 PMAQI
19th Oct 2025272 PMAQI
19th Oct 2025253 PMAQI
19th Oct 2025434 PMAQI
19th Oct 2025385 PMAQI
19th Oct 2025536 PMAQI
19th Oct 2025407 PMAQI
19th Oct 2025478 PMAQI
19th Oct 2025399 PMAQI
19th Oct 20254710 PMAQI
19th Oct 20253011 PMAQI
20th Oct 20251912 AMAQI
20th Oct 2025241 AMAQI
20th Oct 2025202 AMAQI
20th Oct 2025233 AMAQI
20th Oct 2025374 AMAQI
20th Oct 2025195 AMAQI
20th Oct 2025186 AMAQI
13°C8/15°C
20th Oct 2025187 AMAQI
20th Oct 2025198 AMAQI
20th Oct 2025239 AMAQI
20th Oct 20252410 AMAQI
20th Oct 20252611 AMAQI
20th Oct 20252212 PMAQI
20th Oct 2025201 PMAQI
20th Oct 2025252 PMAQI
20th Oct 2025263 PMAQI
20th Oct 2025264 PMAQI
20th Oct 2025345 PMAQI
20th Oct 2025266 PMAQI
20th Oct 2025297 PMAQI
20th Oct 2025268 PMAQI
20th Oct 2025299 PMAQI
20th Oct 20252010 PMAQI
20th Oct 20251811 PMAQI
21st Oct 20252612 AMAQI
21st Oct 2025241 AMAQI
21st Oct 2025202 AMAQI
21st Oct 2025203 AMAQI
21st Oct 2025224 AMAQI
21st Oct 2025235 AMAQI
21st Oct 2025166 AMAQI
11°C5/19°C
21st Oct 2025197 AMAQI
21st Oct 2025268 AMAQI
21st Oct 2025249 AMAQI
21st Oct 20252710 AMAQI
21st Oct 20252911 AMAQI
21st Oct 20252412 PMAQI
21st Oct 2025221 PMAQI
21st Oct 2025212 PMAQI
21st Oct 2025173 PMAQI
21st Oct 2025224 PMAQI
21st Oct 2025225 PMAQI
21st Oct 2025206 PMAQI
21st Oct 2025177 PMAQI
21st Oct 2025248 PMAQI
21st Oct 2025189 PMAQI
21st Oct 20251710 PMAQI
21st Oct 20251711 PMAQI
22nd Oct 20251112 AMAQI
22nd Oct 2025111 AMAQI
22nd Oct 2025112 AMAQI
22nd Oct 2025113 AMAQI
22nd Oct 2025134 AMAQI
22nd Oct 2025125 AMAQI
22nd Oct 2025136 AMAQI
10°C7/15°C
22nd Oct 2025157 AMAQI
22nd Oct 2025128 AMAQI
22nd Oct 2025169 AMAQI
22nd Oct 20251610 AMAQI
22nd Oct 20251711 AMAQI
22nd Oct 20251712 PMAQI
22nd Oct 2025171 PMAQI
22nd Oct 2025122 PMAQI
22nd Oct 2025113 PMAQI
22nd Oct 2025164 PMAQI
22nd Oct 2025175 PMAQI
22nd Oct 2025176 PMAQI
22nd Oct 2025177 PMAQI
22nd Oct 2025178 PMAQI
22nd Oct 2025169 PMAQI
22nd Oct 20251410 PMAQI
22nd Oct 20251111 PMAQI
23rd Oct 20252112 AMAQI
23rd Oct 2025221 AMAQI
23rd Oct 2025222 AMAQI
23rd Oct 2025203 AMAQI
23rd Oct 2025174 AMAQI
23rd Oct 2025175 AMAQI
23rd Oct 2025196 AMAQI
8°C6/10°C
23rd Oct 2025247 AMAQI
23rd Oct 2025288 AMAQI
23rd Oct 2025289 AMAQI
23rd Oct 20252810 AMAQI
23rd Oct 20252811 AMAQI
23rd Oct 20252612 PMAQI
23rd Oct 2025221 PMAQI
23rd Oct 2025222 PMAQI
23rd Oct 2025223 PMAQI
23rd Oct 2025224 PMAQI
23rd Oct 2025185 PMAQI
23rd Oct 2025176 PMAQI
23rd Oct 2025157 PMAQI
23rd Oct 2025138 PMAQI
23rd Oct 2025159 PMAQI
23rd Oct 20251110 PMAQI
23rd Oct 20251311 PMAQI
24th Oct 20251712 AMAQI
24th Oct 2025171 AMAQI
24th Oct 2025222 AMAQI
24th Oct 2025223 AMAQI
24th Oct 2025184 AMAQI
24th Oct 2025195 AMAQI
24th Oct 2025326 AMAQI
7°C3/12°C
24th Oct 2025357 AMAQI
24th Oct 2025378 AMAQI
24th Oct 2025339 AMAQI
24th Oct 20253410 AMAQI
24th Oct 20256411 AMAQI
24th Oct 20256012 PMAQI
24th Oct 2025301 PMAQI
24th Oct 2025252 PMAQI
24th Oct 2025173 PMAQI
24th Oct 2025174 PMAQI
24th Oct 2025175 PMAQI
24th Oct 2025176 PMAQI
24th Oct 2025207 PMAQI
24th Oct 2025198 PMAQI
24th Oct 2025179 PMAQI
24th Oct 20251710 PMAQI
24th Oct 20251711 PMAQI
25th Oct 20252812 AMAQI
25th Oct 2025551 AMAQI
25th Oct 2025512 AMAQI
25th Oct 2025373 AMAQI
25th Oct 2025284 AMAQI
25th Oct 2025285 AMAQI
25th Oct 2025286 AMAQI
7°C1/14°C
25th Oct 2025237 AMAQI
25th Oct 2025228 AMAQI
25th Oct 2025249 AMAQI
25th Oct 20252810 AMAQI
25th Oct 20253211 AMAQI
25th Oct 20254812 PMAQI
25th Oct 2025541 PMAQI
25th Oct 2025552 PMAQI
25th Oct 2025453 PMAQI
25th Oct 2025444 PMAQI
25th Oct 2025445 PMAQI
25th Oct 2025406 PMAQI
25th Oct 2025347 PMAQI
25th Oct 2025338 PMAQI
25th Oct 2025389 PMAQI
25th Oct 20253910 PMAQI
25th Oct 20254911 PMAQI
26th Oct 20255412 AMAQI
26th Oct 2025501 AMAQI
26th Oct 2025552 AMAQI
26th Oct 2025623 AMAQI
26th Oct 2025574 AMAQI
26th Oct 2025575 AMAQI
26th Oct 2025576 AMAQI
7°C1/14°C
26th Oct 2025597 AMAQI
26th Oct 2025568 AMAQI
26th Oct 2025569 AMAQI
26th Oct 20255610 AMAQI
26th Oct 20255611 AMAQI
26th Oct 20254512 PMAQI
26th Oct 2025401 PMAQI
26th Oct 2025392 PMAQI
26th Oct 2025343 PMAQI
26th Oct 2025284 PMAQI
26th Oct 2025285 PMAQI
26th Oct 2025286 PMAQI
26th Oct 2025237 PMAQI
26th Oct 2025228 PMAQI
26th Oct 2025229 PMAQI
26th Oct 20252210 PMAQI
26th Oct 20252711 PMAQI
27th Oct 20253212 AMAQI
27th Oct 2025281 AMAQI
27th Oct 2025282 AMAQI
27th Oct 2025303 AMAQI
27th Oct 2025334 AMAQI
27th Oct 2025395 AMAQI
27th Oct 2025556 AMAQI
10°C4/18°C
27th Oct 2025417 AMAQI
27th Oct 2025448 AMAQI
27th Oct 2025419 AMAQI
27th Oct 20253310 AMAQI
27th Oct 20252711 AMAQI
27th Oct 20251712 PMAQI
27th Oct 2025171 PMAQI
27th Oct 2025172 PMAQI
27th Oct 2025173 PMAQI
27th Oct 2025174 PMAQI
27th Oct 2025185 PMAQI
27th Oct 2025226 PMAQI
27th Oct 2025187 PMAQI
27th Oct 2025208 PMAQI
27th Oct 2025239 PMAQI
27th Oct 20252510 PMAQI
27th Oct 20252211 PMAQI
28th Oct 20252212 AMAQI
28th Oct 2025201 AMAQI
28th Oct 2025172 AMAQI
28th Oct 2025173 AMAQI
28th Oct 2025174 AMAQI
28th Oct 2025175 AMAQI
28th Oct 2025176 AMAQI
10°C5/17°C
28th Oct 2025177 AMAQI
28th Oct 2025228 AMAQI
28th Oct 2025369 AMAQI
28th Oct 20253910 AMAQI
28th Oct 20253211 AMAQI
28th Oct 20253912 PMAQI
28th Oct 2025341 PMAQI
28th Oct 2025282 PMAQI
28th Oct 2025283 PMAQI
28th Oct 2025284 PMAQI
28th Oct 2025325 PMAQI
28th Oct 2025326 PMAQI
28th Oct 2025287 PMAQI
28th Oct 2025288 PMAQI
28th Oct 2025289 PMAQI
28th Oct 20252610 PMAQI
28th Oct 20252211 PMAQI
29th Oct 20252212 AMAQI
29th Oct 2025221 AMAQI
29th Oct 2025202 AMAQI
29th Oct 2025173 AMAQI
29th Oct 2025194 AMAQI
29th Oct 2025225 AMAQI
29th Oct 2025186 AMAQI
11°C5/19°C
29th Oct 2025177 AMAQI
29th Oct 2025178 AMAQI
29th Oct 2025219 AMAQI
29th Oct 20252210 AMAQI
29th Oct 20252211 AMAQI
29th Oct 20252212 PMAQI
29th Oct 2025221 PMAQI
29th Oct 2025242 PMAQI
29th Oct 2025283 PMAQI
29th Oct 2025284 PMAQI
29th Oct 2025275 PMAQI
29th Oct 2025236 PMAQI
29th Oct 2025277 PMAQI
29th Oct 2025288 PMAQI
29th Oct 2025269 PMAQI
29th Oct 20252710 PMAQI
29th Oct 20252811 PMAQI
30th Oct 20252812 AMAQI
30th Oct 2025321 AMAQI
30th Oct 2025282 AMAQI
30th Oct 2025283 AMAQI
30th Oct 2025284 AMAQI
30th Oct 2025265 AMAQI
30th Oct 2025226 AMAQI
11°C6/16°C
30th Oct 2025347 AMAQI
7 AM30th Oct 2025468 AMAQI
30th Oct 2025269 AMAQI
30th Oct 20252210 AMAQI
30th Oct 20252411 AMAQI
30th Oct 20252912 PMAQI
12 PM30th Oct 2025411 PMAQI
30th Oct 2025382 PMAQI
30th Oct 2025413 PMAQI
30th Oct 2025414 PMAQI
6 PM
12 AM
6 AM
--°C/°C
Day time
Avg. Highest Time
7 AM - 12 PM
37AQI
6 hours / Day
180 hours / Month
Avg. Lowest Time
1 PM - 5 PM
36AQI
5 hours / Day
150 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 7 AM to 12 PM (Avg. 37), while the lowest AQI was between 1 PM to 5 PM (Avg. 36).
Night time
Avg. Highest Time
12 AM - 1 AM
39AQI
2 hours / Day
60 hours / Month
Avg. Lowest Time
8 PM - 11 PM
36AQI
4 hours / Day
120 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 12 AM to 1 AM (Avg. 39), while the lowest AQI was between 8 PM to 11 PM (Avg. 36).
2025 Days Vs Air Quality
East Chicago, Indiana, United States
2025
79%
238
20%
61
0.9%
3
Total number of days with different AQI categories in last 303 days in 2025 (62 days remaining)
Good
238 DaysModerate
61 DaysPoor
3 DaysUnhealthy
0 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 79%
Health Risk Level:
Low
In 2025, 79% of 303 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
East Chicago, 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.
-1th undefined 2025
-1th undefined 2025
-1th undefined 2025
1st January 2025
23AQI
23AQI
2nd January 2025
24AQI
24AQI
3rd January 2025
25AQI
25AQI
4th January 2025
21AQI
21AQI
5th January 2025
22AQI
22AQI
6th January 2025
19AQI
19AQI
7th January 2025
22AQI
22AQI
8th January 2025
29AQI
29AQI
9th January 2025
41AQI
41AQI
10th January 2025
68AQI
68AQI
11th January 2025
48AQI
48AQI
12th January 2025
44AQI
44AQI
13th January 2025
21AQI
21AQI
14th January 2025
29AQI
29AQI
15th January 2025
40AQI
40AQI
16th January 2025
42AQI
42AQI
17th January 2025
29AQI
29AQI
18th January 2025
23AQI
23AQI
19th January 2025
19AQI
19AQI
20th January 2025
19AQI
19AQI
21st January 2025
24AQI
24AQI
22nd January 2025
26AQI
26AQI
23rd January 2025
32AQI
32AQI
24th January 2025
38AQI
38AQI
25th January 2025
28AQI
28AQI
26th January 2025
22AQI
22AQI
27th January 2025
22AQI
22AQI
28th January 2025
23AQI
23AQI
29th January 2025
22AQI
22AQI
30th January 2025
32AQI
32AQI
31st January 2025
39AQI
39AQI
1st February 2025
22AQI
22AQI
2nd February 2025
43AQI
43AQI
3rd February 2025
51AQI
51AQI
4th February 2025
20AQI
20AQI
5th February 2025
26AQI
26AQI
6th February 2025
31AQI
31AQI
7th February 2025
24AQI
24AQI
8th February 2025
33AQI
33AQI
9th February 2025
34AQI
34AQI
10th February 2025
30AQI
30AQI
11th February 2025
30AQI
30AQI
12th February 2025
47AQI
47AQI
13th February 2025
34AQI
34AQI
14th February 2025
43AQI
43AQI
15th February 2025
46AQI
46AQI
16th February 2025
30AQI
30AQI
17th February 2025
23AQI
23AQI
18th February 2025
24AQI
24AQI
19th February 2025
24AQI
24AQI
20th February 2025
27AQI
27AQI
21st February 2025
37AQI
37AQI
22nd February 2025
36AQI
36AQI
23rd February 2025
51AQI
51AQI
24th February 2025
39AQI
39AQI
25th February 2025
42AQI
42AQI
26th February 2025
38AQI
38AQI
27th February 2025
44AQI
44AQI
28th February 2025
24AQI
24AQI
1st March 2025
22AQI
22AQI
2nd March 2025
28AQI
28AQI
3rd March 2025
32AQI
32AQI
4th March 2025
30AQI
30AQI
5th March 2025
24AQI
24AQI
6th March 2025
22AQI
22AQI
7th March 2025
27AQI
27AQI
8th March 2025
30AQI
30AQI
9th March 2025
24AQI
24AQI
10th March 2025
26AQI
26AQI
11th March 2025
27AQI
27AQI
12th March 2025
24AQI
24AQI
13th March 2025
43AQI
43AQI
14th March 2025
52AQI
52AQI
15th March 2025
82AQI
82AQI
16th March 2025
37AQI
37AQI
17th March 2025
34AQI
34AQI
18th March 2025
26AQI
26AQI
19th March 2025
34AQI
34AQI
20th March 2025
19AQI
19AQI
21st March 2025
24AQI
24AQI
22nd March 2025
20AQI
20AQI
23rd March 2025
26AQI
26AQI
24th March 2025
20AQI
20AQI
25th March 2025
32AQI
32AQI
26th March 2025
39AQI
39AQI
27th March 2025
44AQI
44AQI
28th March 2025
40AQI
40AQI
29th March 2025
36AQI
36AQI
30th March 2025
35AQI
35AQI
31st March 2025
30AQI
30AQI
1st April 2025
33AQI
33AQI
2nd April 2025
38AQI
38AQI
3rd April 2025
33AQI
33AQI
4th April 2025
33AQI
33AQI
5th April 2025
28AQI
28AQI
6th April 2025
24AQI
24AQI
7th April 2025
26AQI
26AQI
8th April 2025
22AQI
22AQI
9th April 2025
29AQI
29AQI
10th April 2025
51AQI
51AQI
11th April 2025
42AQI
42AQI
12th April 2025
55AQI
55AQI
13th April 2025
41AQI
41AQI
14th April 2025
34AQI
34AQI
15th April 2025
21AQI
21AQI
16th April 2025
21AQI
21AQI
17th April 2025
36AQI
36AQI
18th April 2025
51AQI
51AQI
19th April 2025
42AQI
42AQI
20th April 2025
37AQI
37AQI
21st April 2025
19AQI
19AQI
22nd April 2025
27AQI
27AQI
23rd April 2025
30AQI
30AQI
24th April 2025
54AQI
54AQI
25th April 2025
22AQI
22AQI
26th April 2025
20AQI
20AQI
27th April 2025
29AQI
29AQI
28th April 2025
31AQI
31AQI
29th April 2025
34AQI
34AQI
30th April 2025
28AQI
28AQI
1st May 2025
28AQI
28AQI
2nd May 2025
29AQI
29AQI
3rd May 2025
25AQI
25AQI
4th May 2025
29AQI
29AQI
5th May 2025
26AQI
26AQI
6th May 2025
41AQI
41AQI
7th May 2025
39AQI
39AQI
8th May 2025
26AQI
26AQI
9th May 2025
27AQI
27AQI
10th May 2025
38AQI
38AQI
11th May 2025
27AQI
27AQI
12th May 2025
36AQI
36AQI
13th May 2025
28AQI
28AQI
14th May 2025
32AQI
32AQI
15th May 2025
45AQI
45AQI
16th May 2025
38AQI
38AQI
17th May 2025
22AQI
22AQI
18th May 2025
21AQI
21AQI
19th May 2025
24AQI
24AQI
20th May 2025
27AQI
27AQI
21st May 2025
26AQI
26AQI
22nd May 2025
16AQI
16AQI
23rd May 2025
22AQI
22AQI
24th May 2025
16AQI
16AQI
25th May 2025
15AQI
15AQI
26th May 2025
26AQI
26AQI
27th May 2025
29AQI
29AQI
28th May 2025
33AQI
33AQI
29th May 2025
43AQI
43AQI
30th May 2025
45AQI
45AQI
31st May 2025
38AQI
38AQI
1st June 2025
33AQI
33AQI
2nd June 2025
37AQI
37AQI
3rd June 2025
56AQI
56AQI
4th June 2025
63AQI
63AQI
5th June 2025
101AQI
101AQI
6th June 2025
83AQI
83AQI
7th June 2025
79AQI
79AQI
8th June 2025
72AQI
72AQI
9th June 2025
69AQI
69AQI
10th June 2025
60AQI
60AQI
11th June 2025
69AQI
69AQI
12th June 2025
77AQI
77AQI
13th June 2025
74AQI
74AQI
14th June 2025
63AQI
63AQI
15th June 2025
48AQI
48AQI
16th June 2025
52AQI
52AQI
17th June 2025
41AQI
41AQI
18th June 2025
35AQI
35AQI
19th June 2025
27AQI
27AQI
20th June 2025
38AQI
38AQI
21st June 2025
36AQI
36AQI
22nd June 2025
41AQI
41AQI
23rd June 2025
54AQI
54AQI
24th June 2025
49AQI
49AQI
25th June 2025
32AQI
32AQI
26th June 2025
39AQI
39AQI
27th June 2025
34AQI
34AQI
28th June 2025
20AQI
20AQI
29th June 2025
30AQI
30AQI
30th June 2025
30AQI
30AQI
1st July 2025
28AQI
28AQI
2nd July 2025
52AQI
52AQI
3rd July 2025
53AQI
53AQI
4th July 2025
54AQI
54AQI
5th July 2025
67AQI
67AQI
6th July 2025
54AQI
54AQI
7th July 2025
49AQI
49AQI
8th July 2025
69AQI
69AQI
9th July 2025
52AQI
52AQI
10th July 2025
42AQI
42AQI
11th July 2025
41AQI
41AQI
12th July 2025
30AQI
30AQI
13th July 2025
54AQI
54AQI
14th July 2025
73AQI
73AQI
15th July 2025
82AQI
82AQI
16th July 2025
49AQI
49AQI
17th July 2025
28AQI
28AQI
18th July 2025
28AQI
28AQI
19th July 2025
31AQI
31AQI
20th July 2025
27AQI
27AQI
21st July 2025
58AQI
58AQI
22nd July 2025
73AQI
73AQI
23rd July 2025
60AQI
60AQI
24th July 2025
55AQI
55AQI
25th July 2025
35AQI
35AQI
26th July 2025
30AQI
30AQI
27th July 2025
27AQI
27AQI
28th July 2025
37AQI
37AQI
29th July 2025
40AQI
40AQI
30th July 2025
41AQI
41AQI
31st July 2025
110AQI
110AQI
1st August 2025
101AQI
101AQI
2nd August 2025
77AQI
77AQI
3rd August 2025
78AQI
78AQI
4th August 2025
73AQI
73AQI
5th August 2025
85AQI
85AQI
6th August 2025
89AQI
89AQI
7th August 2025
62AQI
62AQI
8th August 2025
56AQI
56AQI
9th August 2025
54AQI
54AQI
10th August 2025
49AQI
49AQI
11th August 2025
45AQI
45AQI
12th August 2025
44AQI
44AQI
13th August 2025
48AQI
48AQI
14th August 2025
66AQI
66AQI
15th August 2025
71AQI
71AQI
16th August 2025
57AQI
57AQI
17th August 2025
34AQI
34AQI
18th August 2025
31AQI
31AQI
19th August 2025
26AQI
26AQI
20th August 2025
20AQI
20AQI
21st August 2025
20AQI
20AQI
22nd August 2025
31AQI
31AQI
23rd August 2025
33AQI
33AQI
24th August 2025
23AQI
23AQI
25th August 2025
20AQI
20AQI
26th August 2025
29AQI
29AQI
27th August 2025
35AQI
35AQI
28th August 2025
35AQI
35AQI
29th August 2025
19AQI
19AQI
30th August 2025
26AQI
26AQI
31st August 2025
34AQI
34AQI
1st September 2025
35AQI
35AQI
2nd September 2025
37AQI
37AQI
3rd September 2025
50AQI
50AQI
4th September 2025
45AQI
45AQI
5th September 2025
46AQI
46AQI
6th September 2025
23AQI
23AQI
7th September 2025
29AQI
29AQI
8th September 2025
29AQI
29AQI
9th September 2025
31AQI
31AQI
10th September 2025
47AQI
47AQI
11th September 2025
50AQI
50AQI
12th September 2025
48AQI
48AQI
13th September 2025
56AQI
56AQI
14th September 2025
57AQI
57AQI
15th September 2025
54AQI
54AQI
16th September 2025
52AQI
52AQI
17th September 2025
49AQI
49AQI
18th September 2025
54AQI
54AQI
19th September 2025
57AQI
57AQI
20th September 2025
57AQI
57AQI
21st September 2025
54AQI
54AQI
22nd September 2025
37AQI
37AQI
23rd September 2025
42AQI
42AQI
24th September 2025
27AQI
27AQI
25th September 2025
23AQI
23AQI
26th September 2025
38AQI
38AQI
27th September 2025
36AQI
36AQI
28th September 2025
41AQI
41AQI
29th September 2025
39AQI
39AQI
30th September 2025
42AQI
42AQI
1st October 2025
38AQI
38AQI
2nd October 2025
41AQI
41AQI
3rd October 2025
58AQI
58AQI
4th October 2025
59AQI
59AQI
5th October 2025
54AQI
54AQI
6th October 2025
42AQI
42AQI
7th October 2025
29AQI
29AQI
8th October 2025
31AQI
31AQI
9th October 2025
30AQI
30AQI
10th October 2025
38AQI
38AQI
11th October 2025
35AQI
35AQI
12th October 2025
37AQI
37AQI
13th October 2025
51AQI
51AQI
14th October 2025
57AQI
57AQI
15th October 2025
38AQI
38AQI
16th October 2025
46AQI
46AQI
17th October 2025
36AQI
36AQI
18th October 2025
52AQI
52AQI
19th October 2025
36AQI
36AQI
20th October 2025
24AQI
24AQI
21st October 2025
21AQI
21AQI
22nd October 2025
14AQI
14AQI
23rd October 2025
19AQI
19AQI
24th October 2025
25AQI
25AQI
25th October 2025
38AQI
38AQI
26th October 2025
42AQI
42AQI
27th October 2025
27AQI
27AQI
28th October 2025
26AQI
26AQI
29th October 2025
23AQI
23AQI
30th October 2025
31st October 2025
1st November 2025
2nd November 2025
3rd November 2025
4th November 2025
5th November 2025
6th November 2025
7th November 2025
8th November 2025
9th November 2025
10th November 2025
11th November 2025
12th November 2025
13th November 2025
14th November 2025
15th November 2025
16th November 2025
17th November 2025
18th November 2025
19th November 2025
20th November 2025
21st November 2025
22nd November 2025
23rd November 2025
24th November 2025
25th November 2025
26th November 2025
27th November 2025
28th November 2025
29th November 2025
30th November 2025
1st December 2025
2nd December 2025
3rd December 2025
4th December 2025
5th December 2025
6th December 2025
7th December 2025
8th December 2025
9th December 2025
10th December 2025
11th December 2025
12th December 2025
13th December 2025
14th December 2025
15th December 2025
16th December 2025
17th December 2025
18th December 2025
19th December 2025
20th December 2025
21st December 2025
22nd December 2025
23rd December 2025
24th December 2025
25th December 2025
26th December 2025
27th December 2025
28th December 2025
29th December 2025
30th December 2025
31st December 2025
30AQI
34AQI
32AQI
33AQI
30AQI
51AQI
49AQI
47AQI
43AQI
37AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202539AQI
30
1
26
2
29
2
26
4
31
16
13
1
16
14
1
19
11
1
22
8
23
6
238
61
3
Highest AQI recorded in
June51AQI
Lowest AQI recorded in
January30AQI
202432AQI
26
5
19
10
27
4
29
1
30
1
29
30
1
27
4
30
30
1
29
1
29
2
335
30
Highest AQI recorded in
February43AQI
Lowest AQI recorded in
June27AQI
202343AQI
22
9
23
5
26
5
26
4
26
5
7
20
1
2
24
5
2
17
14
28
2
25
6
23
6
26
5
273
86
3
2
Highest AQI recorded in
June72AQI
Lowest AQI recorded in
March36AQI
202237AQI
27
4
12
3
8
23
2
30
1
26
4
21
3
1
26
3
26
5
22
8
20
11
242
44
Highest AQI recorded in
December44AQI
Lowest AQI recorded in
March21AQI
202142AQI
14
16
15
11
2
26
5
19
9
19
1
27
3
16
15
21
10
25
5
28
3
25
5
24
7
259
90
2
Highest AQI recorded in
July53AQI
Lowest AQI recorded in
October36AQI
202043AQI
5
1
2
11
2
18
13
36
16
Highest AQI recorded in
December50AQI
Lowest AQI recorded in
September20AQI
Most & Least Polluted Years Over the Last 6 Years
Most Polluted Year Recorded
2020(Avg.)
43AQILeast Polluted Year Recorded
2024(Avg.)
32AQIEast Chicago's annual 2025 AQI (39) shows an average percentage change of -0.9% (improved AQI) compared to previous years: 2020 (43), 2021 (42), 2022 (37), 2023 (43), 2024 (32).
