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HistoryAQIPM₂.₅PM₁₀COSO₂NO₂O₃

Indpls W.18Th St, Speedway, 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

Indpls W.18Th St, Speedway, Indiana, United States

2022
2023
2024
2025
2026
AQI
.
Days

AQI Trends: Highest and Lowest

Highest AQI recorded on
1st Aug 2025
87AQI
Lowest AQI recorded on
10th Aug 2024
20AQI

Same Day Analysis (17th August):
On this day, AQI across the 5 years varied significantly: 2026 ranks 4th highest AQI at 27 of Good air quality, showing improvement over 2025, 2024 and 2023 on the same day.

Day & Night AQI Trend: 17th Aug - 18th Aug 2026

Indpls W.18Th St, Speedway, Indiana, United States

AQI
Day
Night
.

6 AM17th Aug 2026

8 PM

5 AM18th Aug 2026

Day time
Avg. Highest Time
2PM17th Aug

34AQI

Avg. Lowest Time
11AM17th Aug

14AQI

Night time
Avg. Highest Time
4AM18th Aug

42AQI

Avg. Lowest Time
12AM18th Aug

21AQI

In the last 24 hours,

Indpls W.18Th St's AQI reached its highest point of 42 at 4 AM during the Night, while the lowest point, 14, was recorded at 11 AM during the Day between 17th Aug and 18th Aug 2026.

Day & Night AQI Trend : Jul - Aug 2026

Indpls W.18Th St, Speedway, Indiana, United States

JulAug
20th - 21st21st - 22nd22nd - 23rd23rd - 24th24th - 25th25th - 26th26th - 27th27th - 28th28th - 29th29th - 30th30th - 31st31st - 01st01st - 02nd02nd - 03rd03rd - 04th04th - 05th05th - 06th06th - 07th07th - 08th08th - 09th09th - 10th10th - 11th11th - 12th12th - 13th13th - 14th14th - 15th15th - 16th16th - 17th17th - 18th18th
Day
Night
20th Jul 2026976 AMAQI
20th Jul 2026987 AMAQI
20th Jul 20261008 AMAQI
20th Jul 2026979 AMAQI
20th Jul 20269510 AMAQI
20th Jul 202610011 AMAQI
20th Jul 20269712 PMAQI
20th Jul 20261091 PMAQI
20th Jul 20261002 PMAQI
20th Jul 20261023 PMAQI
20th Jul 20261054 PMAQI
20th Jul 2026965 PMAQI
20th Jul 20261046 PMAQI
20th Jul 2026947 PMAQI
20th Jul 2026938 PMAQI
20th Jul 20261009 PMAQI
20th Jul 20269710 PMAQI
21st Jul 20269912 AMAQI
21st Jul 20261051 AMAQI
21st Jul 20261042 AMAQI
21st Jul 20261053 AMAQI
21st Jul 2026984 AMAQI
21st Jul 2026995 AMAQI

26°C18/35°C

21st Jul 2026936 AMAQI
21st Jul 2026947 AMAQI
21st Jul 2026968 AMAQI
21st Jul 2026859 AMAQI
21st Jul 20267610 AMAQI
21st Jul 20267011 AMAQI
21st Jul 20266212 PMAQI
21st Jul 2026551 PMAQI
21st Jul 2026512 PMAQI
21st Jul 2026423 PMAQI
21st Jul 2026404 PMAQI
21st Jul 2026405 PMAQI
21st Jul 2026496 PMAQI
21st Jul 2026537 PMAQI
21st Jul 2026558 PMAQI
21st Jul 2026529 PMAQI
21st Jul 20264810 PMAQI
21st Jul 20264911 PMAQI
22nd Jul 20265612 AMAQI
22nd Jul 2026481 AMAQI
22nd Jul 2026442 AMAQI
22nd Jul 2026293 AMAQI
22nd Jul 2026384 AMAQI
22nd Jul 2026175 AMAQI

27°C21/36°C

22nd Jul 2026176 AMAQI
22nd Jul 2026147 AMAQI
22nd Jul 2026108 AMAQI
22nd Jul 202689 AMAQI
22nd Jul 20262010 AMAQI
22nd Jul 2026811 AMAQI
22nd Jul 2026812 PMAQI
22nd Jul 2026101 PMAQI
22nd Jul 2026102 PMAQI
22nd Jul 2026123 PMAQI
22nd Jul 2026384 PMAQI
22nd Jul 2026125 PMAQI
22nd Jul 2026126 PMAQI
22nd Jul 2026177 PMAQI
22nd Jul 2026178 PMAQI
22nd Jul 2026149 PMAQI
22nd Jul 20261410 PMAQI
22nd Jul 20261511 PMAQI
23rd Jul 20261912 AMAQI
23rd Jul 2026231 AMAQI
23rd Jul 2026312 AMAQI
23rd Jul 2026173 AMAQI
23rd Jul 2026294 AMAQI
23rd Jul 2026175 AMAQI

21°C17/25°C

23rd Jul 2026176 AMAQI
23rd Jul 2026217 AMAQI
23rd Jul 2026338 AMAQI
23rd Jul 2026339 AMAQI
23rd Jul 20263210 AMAQI
23rd Jul 20263311 AMAQI
23rd Jul 20262912 PMAQI
23rd Jul 2026361 PMAQI
23rd Jul 2026422 PMAQI
23rd Jul 2026423 PMAQI
23rd Jul 2026424 PMAQI
23rd Jul 2026255 PMAQI
23rd Jul 2026336 PMAQI
23rd Jul 2026217 PMAQI
23rd Jul 2026218 PMAQI
23rd Jul 2026179 PMAQI
23rd Jul 20262710 PMAQI
23rd Jul 20262111 PMAQI
24th Jul 20262112 AMAQI
24th Jul 2026381 AMAQI
24th Jul 2026382 AMAQI
24th Jul 2026403 AMAQI
24th Jul 2026454 AMAQI
24th Jul 2026385 AMAQI

20°C13/29°C

24th Jul 2026426 AMAQI
24th Jul 2026427 AMAQI
24th Jul 2026388 AMAQI
24th Jul 2026469 AMAQI
24th Jul 20264210 AMAQI
24th Jul 20263811 AMAQI
24th Jul 20263112 PMAQI
24th Jul 2026311 PMAQI
24th Jul 2026252 PMAQI
24th Jul 2026253 PMAQI
24th Jul 2026254 PMAQI
24th Jul 2026255 PMAQI
24th Jul 2026256 PMAQI
24th Jul 2026257 PMAQI
24th Jul 2026258 PMAQI
24th Jul 2026259 PMAQI
24th Jul 20262510 PMAQI
24th Jul 20263811 PMAQI
25th Jul 20263812 AMAQI
25th Jul 2026331 AMAQI
25th Jul 2026252 AMAQI
25th Jul 2026583 AMAQI
25th Jul 2026584 AMAQI
25th Jul 2026695 AMAQI

22°C15/30°C

25th Jul 2026606 AMAQI
25th Jul 2026607 AMAQI
25th Jul 2026548 AMAQI
25th Jul 2026469 AMAQI
25th Jul 20265110 AMAQI
25th Jul 20263611 AMAQI
25th Jul 20264012 PMAQI
25th Jul 2026291 PMAQI
25th Jul 2026362 PMAQI
25th Jul 2026313 PMAQI
25th Jul 2026364 PMAQI
25th Jul 2026385 PMAQI
25th Jul 2026426 PMAQI
25th Jul 2026427 PMAQI
25th Jul 2026368 PMAQI
25th Jul 2026409 PMAQI
25th Jul 20263810 PMAQI
25th Jul 20263311 PMAQI
26th Jul 20263812 AMAQI
26th Jul 2026421 AMAQI
26th Jul 2026312 AMAQI
26th Jul 2026313 AMAQI
26th Jul 2026364 AMAQI
26th Jul 2026275 AMAQI

21°C15/27°C

26th Jul 2026366 AMAQI
26th Jul 2026387 AMAQI
26th Jul 2026348 AMAQI
26th Jul 2026239 AMAQI
26th Jul 20263610 AMAQI
26th Jul 20262711 AMAQI
26th Jul 20263812 PMAQI
26th Jul 2026231 PMAQI
26th Jul 2026292 PMAQI
26th Jul 2026333 PMAQI
26th Jul 2026324 PMAQI
26th Jul 2026405 PMAQI
26th Jul 2026386 PMAQI
26th Jul 2026407 PMAQI
26th Jul 2026408 PMAQI
26th Jul 2026429 PMAQI
26th Jul 20263110 PMAQI
26th Jul 20263611 PMAQI
27th Jul 20263612 AMAQI
27th Jul 2026361 AMAQI
27th Jul 2026422 AMAQI
27th Jul 2026383 AMAQI
27th Jul 2026464 AMAQI
27th Jul 2026465 AMAQI

26°C20/35°C

27th Jul 2026426 AMAQI
27th Jul 2026517 AMAQI
27th Jul 2026488 AMAQI
27th Jul 2026499 AMAQI
27th Jul 20264810 AMAQI
27th Jul 20265111 AMAQI
27th Jul 20265112 PMAQI
27th Jul 2026491 PMAQI
27th Jul 2026512 PMAQI
27th Jul 2026533 PMAQI
27th Jul 2026544 PMAQI
27th Jul 2026535 PMAQI
27th Jul 2026536 PMAQI
27th Jul 2026537 PMAQI
27th Jul 2026428 PMAQI
27th Jul 2026319 PMAQI
27th Jul 20263110 PMAQI
27th Jul 20262911 PMAQI
28th Jul 20262912 AMAQI
28th Jul 2026311 AMAQI
28th Jul 2026292 AMAQI
28th Jul 2026253 AMAQI
28th Jul 2026344 AMAQI
28th Jul 2026405 AMAQI

26°C22/37°C

28th Jul 2026406 AMAQI
28th Jul 2026487 AMAQI
28th Jul 2026468 AMAQI
28th Jul 2026519 AMAQI
28th Jul 20265210 AMAQI
28th Jul 20265411 AMAQI
28th Jul 20265312 PMAQI
28th Jul 2026531 PMAQI
28th Jul 2026502 PMAQI
28th Jul 2026443 PMAQI
28th Jul 2026424 PMAQI
28th Jul 2026255 PMAQI
28th Jul 2026276 PMAQI
28th Jul 2026277 PMAQI
28th Jul 2026448 PMAQI
28th Jul 2026449 PMAQI
28th Jul 20264410 PMAQI
28th Jul 20264611 PMAQI
29th Jul 20264612 AMAQI
29th Jul 2026501 AMAQI
29th Jul 2026462 AMAQI
29th Jul 2026423 AMAQI
29th Jul 2026404 AMAQI
29th Jul 2026365 AMAQI

25°C21/31°C

29th Jul 2026386 AMAQI
29th Jul 2026277 AMAQI
29th Jul 2026408 AMAQI
29th Jul 2026259 AMAQI
29th Jul 20262710 AMAQI
29th Jul 20262511 AMAQI
29th Jul 20264212 PMAQI
29th Jul 2026421 PMAQI
29th Jul 2026462 PMAQI
29th Jul 2026483 PMAQI
29th Jul 2026404 PMAQI
29th Jul 2026445 PMAQI
29th Jul 2026366 PMAQI
29th Jul 2026367 PMAQI
29th Jul 2026258 PMAQI
29th Jul 2026219 PMAQI
29th Jul 20264210 PMAQI
29th Jul 20262911 PMAQI
30th Jul 20262112 AMAQI
30th Jul 2026421 AMAQI
30th Jul 2026482 AMAQI
30th Jul 2026523 AMAQI
30th Jul 2026504 AMAQI
30th Jul 2026445 AMAQI

22°C17/29°C

30th Jul 2026406 AMAQI
30th Jul 2026407 AMAQI
30th Jul 2026408 AMAQI
30th Jul 2026409 AMAQI
30th Jul 20264210 AMAQI
30th Jul 20263311 AMAQI
30th Jul 20263412 PMAQI
30th Jul 2026341 PMAQI
30th Jul 2026232 PMAQI
30th Jul 2026233 PMAQI
30th Jul 2026234 PMAQI
30th Jul 2026275 PMAQI
30th Jul 2026326 PMAQI
30th Jul 2026237 PMAQI
30th Jul 2026238 PMAQI
30th Jul 2026259 PMAQI
30th Jul 20263810 PMAQI
30th Jul 20264211 PMAQI
31st Jul 20265012 AMAQI
31st Jul 2026561 AMAQI
31st Jul 2026562 AMAQI
31st Jul 2026703 AMAQI
31st Jul 2026764 AMAQI
31st Jul 2026715 AMAQI

24°C16/32°C

31st Jul 2026566 AMAQI
31st Jul 2026567 AMAQI
31st Jul 2026538 AMAQI
31st Jul 2026569 AMAQI
31st Jul 20265710 AMAQI
31st Jul 20265011 AMAQI
31st Jul 20265312 PMAQI
31st Jul 2026481 PMAQI
31st Jul 2026472 PMAQI
31st Jul 2026363 PMAQI
31st Jul 2026404 PMAQI
31st Jul 2026365 PMAQI
31st Jul 2026426 PMAQI
31st Jul 2026367 PMAQI
31st Jul 2026388 PMAQI
31st Jul 2026339 PMAQI
31st Jul 20263610 PMAQI
31st Jul 20264211 PMAQI
1st Aug 20264412 AMAQI
1st Aug 2026421 AMAQI
1st Aug 2026472 AMAQI
1st Aug 2026403 AMAQI
1st Aug 2026404 AMAQI
1st Aug 2026405 AMAQI

24°C18/31°C

1st Aug 2026406 AMAQI
1st Aug 2026387 AMAQI
1st Aug 2026388 AMAQI
1st Aug 2026389 AMAQI
1st Aug 20263610 AMAQI
1st Aug 20265311 AMAQI
1st Aug 20265312 PMAQI
1st Aug 2026461 PMAQI
1st Aug 2026462 PMAQI
1st Aug 2026523 PMAQI
1st Aug 2026404 PMAQI
1st Aug 2026345 PMAQI
1st Aug 2026366 PMAQI
1st Aug 2026347 PMAQI
1st Aug 2026268 PMAQI
1st Aug 2026359 PMAQI
1st Aug 20262610 PMAQI
1st Aug 20262611 PMAQI
2nd Aug 20261812 AMAQI
2nd Aug 2026191 AMAQI
2nd Aug 2026222 AMAQI
2nd Aug 2026283 AMAQI
2nd Aug 2026324 AMAQI
2nd Aug 2026275 AMAQI

23°C21/25°C

2nd Aug 2026236 AMAQI
2nd Aug 2026217 AMAQI
2nd Aug 2026218 AMAQI
2nd Aug 2026259 AMAQI
2nd Aug 20263610 AMAQI
2nd Aug 20264011 AMAQI
2nd Aug 20264012 PMAQI
2nd Aug 2026421 PMAQI
2nd Aug 2026482 PMAQI
2nd Aug 2026483 PMAQI
2nd Aug 2026364 PMAQI
2nd Aug 2026385 PMAQI
2nd Aug 2026306 PMAQI
2nd Aug 2026327 PMAQI
2nd Aug 2026328 PMAQI
2nd Aug 2026299 PMAQI
2nd Aug 20263410 PMAQI
2nd Aug 20264211 PMAQI
3rd Aug 20264012 AMAQI
3rd Aug 2026441 AMAQI
3rd Aug 2026402 AMAQI
3rd Aug 2026443 AMAQI
3rd Aug 2026444 AMAQI
3rd Aug 2026445 AMAQI

21°C19/26°C

3rd Aug 2026406 AMAQI
3rd Aug 2026447 AMAQI
3rd Aug 2026408 AMAQI
3rd Aug 2026409 AMAQI
3rd Aug 20264410 AMAQI
3rd Aug 20264011 AMAQI
3rd Aug 20264212 PMAQI
3rd Aug 2026421 PMAQI
3rd Aug 2026422 PMAQI
3rd Aug 2026443 PMAQI
3rd Aug 2026404 PMAQI
3rd Aug 2026425 PMAQI
3rd Aug 2026366 PMAQI
3rd Aug 2026407 PMAQI
3rd Aug 2026368 PMAQI
3rd Aug 2026279 PMAQI
3rd Aug 20263610 PMAQI
3rd Aug 20264011 PMAQI
4th Aug 20265012 AMAQI
4th Aug 2026541 AMAQI
4th Aug 2026482 AMAQI
4th Aug 2026523 AMAQI
4th Aug 2026494 AMAQI
4th Aug 2026445 AMAQI

22°C18/29°C

4th Aug 2026446 AMAQI
4th Aug 2026427 AMAQI
4th Aug 2026488 AMAQI
4th Aug 2026469 AMAQI
4th Aug 20264810 AMAQI
4th Aug 20264611 AMAQI
4th Aug 20265012 PMAQI
4th Aug 2026331 PMAQI
4th Aug 2026362 PMAQI
4th Aug 2026423 PMAQI
4th Aug 2026294 PMAQI
4th Aug 2026485 PMAQI
4th Aug 2026386 PMAQI
4th Aug 2026387 PMAQI
4th Aug 2026308 PMAQI
4th Aug 2026319 PMAQI
4th Aug 20263610 PMAQI
4th Aug 20264211 PMAQI
5th Aug 20263212 AMAQI
5th Aug 2026361 AMAQI
5th Aug 2026402 AMAQI
5th Aug 2026273 AMAQI
5th Aug 2026364 AMAQI
5th Aug 2026445 AMAQI

23°C16/31°C

5th Aug 2026466 AMAQI
5th Aug 2026487 AMAQI
5th Aug 2026538 AMAQI
5th Aug 2026569 AMAQI
5th Aug 20265510 AMAQI
5th Aug 20265111 AMAQI
5th Aug 20265312 PMAQI
5th Aug 2026441 PMAQI
5th Aug 2026442 PMAQI
5th Aug 2026423 PMAQI
5th Aug 2026384 PMAQI
5th Aug 2026405 PMAQI
5th Aug 2026406 PMAQI
5th Aug 2026387 PMAQI
5th Aug 2026428 PMAQI
5th Aug 2026429 PMAQI
5th Aug 20264210 PMAQI
5th Aug 20265711 PMAQI
6th Aug 20265712 AMAQI
6th Aug 2026731 AMAQI
6th Aug 2026692 AMAQI
6th Aug 2026603 AMAQI
6th Aug 2026624 AMAQI
6th Aug 2026575 AMAQI

23°C16/32°C

6th Aug 2026566 AMAQI
6th Aug 2026537 AMAQI
6th Aug 2026558 AMAQI
6th Aug 2026579 AMAQI
6th Aug 20265710 AMAQI
6th Aug 20265811 AMAQI
6th Aug 20266012 PMAQI
6th Aug 2026561 PMAQI
6th Aug 2026552 PMAQI
6th Aug 2026483 PMAQI
6th Aug 2026534 PMAQI
6th Aug 2026425 PMAQI
6th Aug 2026526 PMAQI
6th Aug 2026407 PMAQI
6th Aug 2026528 PMAQI
6th Aug 2026559 PMAQI
6th Aug 20265310 PMAQI
6th Aug 20265211 PMAQI
7th Aug 20265212 AMAQI
7th Aug 2026401 AMAQI
7th Aug 2026482 AMAQI
7th Aug 2026513 AMAQI
7th Aug 2026504 AMAQI
7th Aug 2026515 AMAQI

24°C19/31°C

7th Aug 2026506 AMAQI
7th Aug 2026497 AMAQI
7th Aug 2026448 AMAQI
7th Aug 2026409 AMAQI
7th Aug 20265110 AMAQI
7th Aug 20265511 AMAQI
7th Aug 20264212 PMAQI
7th Aug 2026311 PMAQI
7th Aug 2026332 PMAQI
7th Aug 2026363 PMAQI
7th Aug 2026334 PMAQI
7th Aug 2026385 PMAQI
7th Aug 2026426 PMAQI
7th Aug 2026487 PMAQI
7th Aug 2026448 PMAQI
7th Aug 2026449 PMAQI
7th Aug 20264610 PMAQI
7th Aug 20264211 PMAQI
8th Aug 20264412 AMAQI
8th Aug 2026361 AMAQI
8th Aug 2026482 AMAQI
8th Aug 2026503 AMAQI
8th Aug 2026484 AMAQI
8th Aug 2026465 AMAQI

26°C20/33°C

8th Aug 2026486 AMAQI
8th Aug 2026507 AMAQI
8th Aug 2026488 AMAQI
8th Aug 2026469 AMAQI
8th Aug 20264810 AMAQI
8th Aug 20264811 AMAQI
8th Aug 20264412 PMAQI
8th Aug 2026461 PMAQI
8th Aug 2026442 PMAQI
8th Aug 2026423 PMAQI
8th Aug 2026464 PMAQI
8th Aug 2026445 PMAQI
8th Aug 2026406 PMAQI
8th Aug 2026387 PMAQI
8th Aug 2026428 PMAQI
8th Aug 2026409 PMAQI
8th Aug 20264010 PMAQI
8th Aug 20264211 PMAQI
9th Aug 20264012 AMAQI
9th Aug 2026521 AMAQI
9th Aug 2026552 AMAQI
9th Aug 2026573 AMAQI
9th Aug 2026594 AMAQI
9th Aug 2026585 AMAQI

27°C22/34°C

9th Aug 2026566 AMAQI
9th Aug 2026567 AMAQI
9th Aug 2026578 AMAQI
9th Aug 2026549 AMAQI
9th Aug 20265410 AMAQI
9th Aug 20264811 AMAQI
9th Aug 20264612 PMAQI
9th Aug 2026421 PMAQI
9th Aug 2026442 PMAQI
9th Aug 2026463 PMAQI
9th Aug 2026444 PMAQI
9th Aug 2026465 PMAQI
9th Aug 2026426 PMAQI
9th Aug 2026407 PMAQI
9th Aug 2026428 PMAQI
9th Aug 2026429 PMAQI
9th Aug 20264410 PMAQI
9th Aug 20264211 PMAQI
10th Aug 20264212 AMAQI
10th Aug 2026421 AMAQI
10th Aug 2026422 AMAQI
10th Aug 2026403 AMAQI
10th Aug 2026424 AMAQI
10th Aug 2026385 AMAQI

27°C22/34°C

10th Aug 2026386 AMAQI
10th Aug 2026387 AMAQI
10th Aug 2026428 AMAQI
10th Aug 2026449 AMAQI
10th Aug 20264410 AMAQI
10th Aug 20264211 AMAQI
10th Aug 20264212 PMAQI
10th Aug 2026421 PMAQI
10th Aug 2026422 PMAQI
10th Aug 2026383 PMAQI
10th Aug 2026404 PMAQI
10th Aug 2026445 PMAQI
10th Aug 2026446 PMAQI
10th Aug 2026427 PMAQI
10th Aug 2026468 PMAQI
10th Aug 2026449 PMAQI
10th Aug 20264610 PMAQI
10th Aug 20264411 PMAQI
11th Aug 20264412 AMAQI
11th Aug 2026461 AMAQI
11th Aug 2026482 AMAQI
11th Aug 2026463 AMAQI
11th Aug 2026464 AMAQI
11th Aug 2026425 AMAQI

28°C23/36°C

11th Aug 2026466 AMAQI
11th Aug 2026467 AMAQI
11th Aug 2026428 AMAQI
11th Aug 2026429 AMAQI
11th Aug 20264610 AMAQI
11th Aug 20264211 AMAQI
11th Aug 20264412 PMAQI
11th Aug 2026441 PMAQI
11th Aug 2026482 PMAQI
11th Aug 2026503 PMAQI
11th Aug 2026444 PMAQI
11th Aug 2026385 PMAQI
11th Aug 2026466 PMAQI
11th Aug 2026237 PMAQI
11th Aug 2026278 PMAQI
11th Aug 2026349 PMAQI
11th Aug 20262710 PMAQI
11th Aug 20262311 PMAQI
12th Aug 20262712 AMAQI
12th Aug 2026271 AMAQI
12th Aug 2026342 AMAQI
12th Aug 2026233 AMAQI
12th Aug 2026364 AMAQI
12th Aug 2026325 AMAQI

27°C20/34°C

12th Aug 2026276 AMAQI
12th Aug 2026277 AMAQI
12th Aug 2026428 AMAQI
12th Aug 2026509 AMAQI
12th Aug 20265110 AMAQI
12th Aug 20265711 AMAQI
12th Aug 20265612 PMAQI
12th Aug 2026551 PMAQI
12th Aug 2026482 PMAQI
12th Aug 2026403 PMAQI
12th Aug 2026254 PMAQI
12th Aug 2026365 PMAQI
12th Aug 2026296 PMAQI
12th Aug 2026487 PMAQI
12th Aug 2026348 PMAQI
12th Aug 2026509 PMAQI
12th Aug 20264210 PMAQI
12th Aug 20264411 PMAQI
13th Aug 20262312 AMAQI
13th Aug 2026271 AMAQI
13th Aug 2026252 AMAQI
13th Aug 2026313 AMAQI
13th Aug 2026244 AMAQI
13th Aug 2026255 AMAQI

22°C19/26°C

13th Aug 2026256 AMAQI
13th Aug 2026257 AMAQI
13th Aug 2026298 AMAQI
13th Aug 2026259 AMAQI
13th Aug 20262310 AMAQI
13th Aug 20263311 AMAQI
13th Aug 20263212 PMAQI
13th Aug 2026231 PMAQI
13th Aug 2026272 PMAQI
13th Aug 2026383 PMAQI
13th Aug 2026404 PMAQI
13th Aug 2026445 PMAQI
13th Aug 2026426 PMAQI
13th Aug 2026427 PMAQI
13th Aug 2026428 PMAQI
13th Aug 2026449 PMAQI
13th Aug 20264610 PMAQI
13th Aug 20264211 PMAQI
14th Aug 20264612 AMAQI
14th Aug 2026421 AMAQI
14th Aug 2026462 AMAQI
14th Aug 2026483 AMAQI
14th Aug 2026444 AMAQI
14th Aug 2026235 AMAQI

25°C19/33°C

14th Aug 2026366 AMAQI
14th Aug 2026237 AMAQI
14th Aug 2026258 AMAQI
14th Aug 2026509 AMAQI
14th Aug 20263210 AMAQI
14th Aug 20263611 AMAQI
14th Aug 20263212 PMAQI
14th Aug 2026421 PMAQI
14th Aug 2026342 PMAQI
14th Aug 2026363 PMAQI
14th Aug 2026334 PMAQI
14th Aug 2026335 PMAQI
14th Aug 2026426 PMAQI
14th Aug 2026387 PMAQI
14th Aug 2026388 PMAQI
14th Aug 2026409 PMAQI
14th Aug 20265010 PMAQI
14th Aug 20263811 PMAQI
15th Aug 20262912 AMAQI
15th Aug 2026251 AMAQI
15th Aug 2026482 AMAQI
15th Aug 2026533 AMAQI
15th Aug 2026534 AMAQI
15th Aug 2026515 AMAQI

24°C22/29°C

15th Aug 2026486 AMAQI
15th Aug 2026337 AMAQI
15th Aug 2026388 AMAQI
15th Aug 2026329 AMAQI
15th Aug 20263810 AMAQI
15th Aug 20263411 AMAQI
15th Aug 20265212 PMAQI
15th Aug 2026241 PMAQI
15th Aug 2026522 PMAQI
15th Aug 2026523 PMAQI
15th Aug 2026544 PMAQI
15th Aug 2026565 PMAQI
15th Aug 2026586 PMAQI
15th Aug 2026387 PMAQI
15th Aug 2026438 PMAQI
15th Aug 2026609 PMAQI
15th Aug 20266310 PMAQI
15th Aug 20263311 PMAQI
16th Aug 20263312 AMAQI
16th Aug 2026461 AMAQI
16th Aug 2026512 AMAQI
16th Aug 2026533 AMAQI
16th Aug 2026524 AMAQI
16th Aug 2026485 AMAQI

26°C21/33°C

16th Aug 2026466 AMAQI
16th Aug 2026507 AMAQI
16th Aug 2026488 AMAQI
16th Aug 2026489 AMAQI
16th Aug 20265110 AMAQI
16th Aug 20265311 AMAQI
16th Aug 20265112 PMAQI
16th Aug 2026481 PMAQI
16th Aug 2026382 PMAQI
16th Aug 2026363 PMAQI
16th Aug 2026464 PMAQI
16th Aug 2026255 PMAQI
16th Aug 2026296 PMAQI
16th Aug 2026337 PMAQI
16th Aug 2026388 PMAQI
16th Aug 2026509 PMAQI
16th Aug 20264210 PMAQI
16th Aug 20264211 PMAQI
17th Aug 20264212 AMAQI
17th Aug 2026381 AMAQI
17th Aug 2026322 AMAQI
17th Aug 2026333 AMAQI
17th Aug 2026334 AMAQI
17th Aug 2026385 AMAQI

27°C24/32°C

17th Aug 2026216 AMAQI
17th Aug 2026217 AMAQI
17th Aug 2026298 AMAQI
17th Aug 2026239 AMAQI
17th Aug 20262410 AMAQI
17th Aug 20261411 AMAQI
17th Aug 20262312 PMAQI
17th Aug 2026251 PMAQI
17th Aug 2026342 PMAQI
17th Aug 2026213 PMAQI
17th Aug 2026214 PMAQI
17th Aug 2026255 PMAQI
17th Aug 2026256 PMAQI
17th Aug 2026217 PMAQI
17th Aug 2026258 PMAQI
17th Aug 2026219 PMAQI
17th Aug 20262510 PMAQI
17th Aug 20262511 PMAQI
18th Aug 20262112 AMAQI
18th Aug 2026311 AMAQI
18th Aug 2026332 AMAQI
18th Aug 2026293 AMAQI
18th Aug 2026424 AMAQI
18th Aug 2026365 AMAQI

24°C21/28°C

18th Aug 2026336 AMAQI
6 AM
18th Aug 2026337 AMAQI
18th Aug 2026218 AMAQI
18th Aug 2026259 AMAQI
18th Aug 20262710 AMAQI
18th Aug 20263311 AMAQI
18th Aug 20263412 PMAQI
18th Aug 2026441 PMAQI
1 PM
18th Aug 2026252 PMAQI
18th Aug 2026253 PMAQI
18th Aug 2026124 PMAQI
18th Aug 2026185 PMAQI
18th Aug 2026296 PMAQI
18th Aug 2026237 PMAQI
18th Aug 2026218 PMAQI
8 PM
18th Aug 2026259 PMAQI
18th Aug 20262510 PMAQI
1 AM
5 AM

22°C16/30°C

Day time
Avg. Highest Time
10 AM - 12 PM

44AQI

3 hours / Day
90 hours / Month
Avg. Lowest Time
7 PM - 8 PM

37AQI

2 hours / Day
60 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 10 AM to 12 PM (Avg. 44), while the lowest AQI was between 7 PM to 8 PM (Avg. 37).
Night time
Avg. Highest Time
4 AM

49AQI

1 hours / Day
30 hours / Month
Avg. Lowest Time
11 PM

38AQI

1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 4 AM to 4 AM (Avg. 49), while the lowest AQI was between 11 PM to 11 PM (Avg. 38).

2026 Days Vs Air Quality

Indpls W.18Th St, Speedway, Indiana, United States

2026

91%

206

8%

18

0.8%

2

Total number of days with different AQI categories in last 230 days in 2026 (135 days remaining)

Good
206 Days
Moderate
18 Days
Poor
2 Days
Unhealthy
0 Days
Severe
0 Days
Hazardous
0 Days

Under WHO’s Safe Air Quality Limits: 91%

Health Risk Level:

Very Low

In 2026, 91% of 230 days were within WHO’s safe air quality limits. The risk of health issues is Very Low, but health impacts are still unclear.

Annual Air Quality Insights

Indpls W.18Th St, Speedway, Indiana, United States

AQI levels in 2026

AQI (US)
PM₂.₅
PM₁₀
CO
SO₂
NO₂
O₃
Sun.Mon.Tue.Wed.Thu.Fri.Sat.

Jan.

Feb.

Mar.

Apr.

May

Jun.

Jul.

Aug.

Sep.

Oct.

Nov.

Dec.

-1th undefined 2026
-1th undefined 2026
-1th undefined 2026
-1th undefined 2026
1st January 2026
19AQI (US)
2nd January 2026
35AQI (US)
3rd January 2026
46AQI (US)
4th January 2026
62AQI (US)
5th January 2026
54AQI (US)
6th January 2026
54AQI (US)
7th January 2026
57AQI (US)
8th January 2026
60AQI (US)
9th January 2026
24AQI (US)
10th January 2026
24AQI (US)
11th January 2026
21AQI (US)
12th January 2026
32AQI (US)
13th January 2026
39AQI (US)
14th January 2026
18AQI (US)
15th January 2026
12AQI (US)
16th January 2026
26AQI (US)
17th January 2026
29AQI (US)
18th January 2026
21AQI (US)
19th January 2026
22AQI (US)
20th January 2026
19AQI (US)
21st January 2026
37AQI (US)
22nd January 2026
51AQI (US)
23rd January 2026
52AQI (US)
24th January 2026
50AQI (US)
25th January 2026
53AQI (US)
26th January 2026
50AQI (US)
27th January 2026
22AQI (US)
28th January 2026
32AQI (US)
29th January 2026
36AQI (US)
30th January 2026
52AQI (US)
31st January 2026
41AQI (US)
1st February 2026
38AQI (US)
2nd February 2026
41AQI (US)
3rd February 2026
42AQI (US)
4th February 2026
42AQI (US)
5th February 2026
43AQI (US)
6th February 2026
38AQI (US)
7th February 2026
39AQI (US)
8th February 2026
42AQI (US)
9th February 2026
38AQI (US)
10th February 2026
37AQI (US)
11th February 2026
34AQI (US)
12th February 2026
28AQI (US)
13th February 2026
37AQI (US)
14th February 2026
32AQI (US)
15th February 2026
31AQI (US)
16th February 2026
37AQI (US)
17th February 2026
31AQI (US)
18th February 2026
37AQI (US)
19th February 2026
35AQI (US)
20th February 2026
33AQI (US)
21st February 2026
35AQI (US)
22nd February 2026
36AQI (US)
23rd February 2026
39AQI (US)
24th February 2026
29AQI (US)
25th February 2026
40AQI (US)
26th February 2026
29AQI (US)
27th February 2026
27AQI (US)
28th February 2026
30AQI (US)
1st March 2026
36AQI (US)
2nd March 2026
55AQI (US)
3rd March 2026
30AQI (US)
4th March 2026
39AQI (US)
5th March 2026
38AQI (US)
6th March 2026
18AQI (US)
7th March 2026
34AQI (US)
8th March 2026
37AQI (US)
9th March 2026
32AQI (US)
10th March 2026
25AQI (US)
11th March 2026
37AQI (US)
12th March 2026
38AQI (US)
13th March 2026
36AQI (US)
14th March 2026
35AQI (US)
15th March 2026
25AQI (US)
16th March 2026
36AQI (US)
17th March 2026
35AQI (US)
18th March 2026
30AQI (US)
19th March 2026
27AQI (US)
20th March 2026
42AQI (US)
21st March 2026
29AQI (US)
22nd March 2026
28AQI (US)
23rd March 2026
38AQI (US)
24th March 2026
36AQI (US)
25th March 2026
26AQI (US)
26th March 2026
20AQI (US)
27th March 2026
28AQI (US)
28th March 2026
26AQI (US)
29th March 2026
20AQI (US)
30th March 2026
17AQI (US)
31st March 2026
19AQI (US)
1st April 2026
25AQI (US)
2nd April 2026
21AQI (US)
3rd April 2026
14AQI (US)
4th April 2026
25AQI (US)
5th April 2026
29AQI (US)
6th April 2026
29AQI (US)
7th April 2026
28AQI (US)
8th April 2026
32AQI (US)
9th April 2026
20AQI (US)
10th April 2026
24AQI (US)
11th April 2026
31AQI (US)
12th April 2026
20AQI (US)
13th April 2026
18AQI (US)
14th April 2026
18AQI (US)
15th April 2026
24AQI (US)
16th April 2026
26AQI (US)
17th April 2026
18th April 2026
27AQI (US)
19th April 2026
33AQI (US)
20th April 2026
28AQI (US)
21st April 2026
20AQI (US)
22nd April 2026
23rd April 2026
19AQI (US)
24th April 2026
20AQI (US)
25th April 2026
21AQI (US)
26th April 2026
32AQI (US)
27th April 2026
24AQI (US)
28th April 2026
26AQI (US)
29th April 2026
26AQI (US)
30th April 2026
28AQI (US)
1st May 2026
27AQI (US)
2nd May 2026
22AQI (US)
3rd May 2026
24AQI (US)
4th May 2026
31AQI (US)
5th May 2026
38AQI (US)
6th May 2026
29AQI (US)
7th May 2026
21AQI (US)
8th May 2026
28AQI (US)
9th May 2026
10th May 2026
28AQI (US)
11th May 2026
25AQI (US)
12th May 2026
28AQI (US)
13th May 2026
24AQI (US)
14th May 2026
26AQI (US)
15th May 2026
43AQI (US)
16th May 2026
53AQI (US)
17th May 2026
56AQI (US)
18th May 2026
57AQI (US)
19th May 2026
53AQI (US)
20th May 2026
40AQI (US)
21st May 2026
35AQI (US)
22nd May 2026
35AQI (US)
23rd May 2026
42AQI (US)
24th May 2026
44AQI (US)
25th May 2026
42AQI (US)
26th May 2026
33AQI (US)
27th May 2026
18AQI (US)
28th May 2026
42AQI (US)
29th May 2026
32AQI (US)
30th May 2026
42AQI (US)
31st May 2026
21AQI (US)
1st June 2026
36AQI (US)
2nd June 2026
28AQI (US)
3rd June 2026
28AQI (US)
4th June 2026
57AQI (US)
5th June 2026
45AQI (US)
6th June 2026
27AQI (US)
7th June 2026
19AQI (US)
8th June 2026
15AQI (US)
9th June 2026
17AQI (US)
10th June 2026
20AQI (US)
11th June 2026
14AQI (US)
12th June 2026
17AQI (US)
13th June 2026
22AQI (US)
14th June 2026
16AQI (US)
15th June 2026
19AQI (US)
16th June 2026
28AQI (US)
17th June 2026
21AQI (US)
18th June 2026
21AQI (US)
19th June 2026
15AQI (US)
20th June 2026
13AQI (US)
21st June 2026
26AQI (US)
22nd June 2026
16AQI (US)
23rd June 2026
16AQI (US)
24th June 2026
14AQI (US)
25th June 2026
13AQI (US)
26th June 2026
24AQI (US)
27th June 2026
19AQI (US)
28th June 2026
15AQI (US)
29th June 2026
22AQI (US)
30th June 2026
47AQI (US)
1st July 2026
65AQI (US)
2nd July 2026
40AQI (US)
3rd July 2026
33AQI (US)
4th July 2026
23AQI (US)
5th July 2026
33AQI (US)
6th July 2026
19AQI (US)
7th July 2026
16AQI (US)
8th July 2026
22AQI (US)
9th July 2026
26AQI (US)
10th July 2026
18AQI (US)
11th July 2026
13AQI (US)
12th July 2026
14AQI (US)
13th July 2026
17AQI (US)
14th July 2026
20AQI (US)
15th July 2026
28AQI (US)
16th July 2026
22AQI (US)
17th July 2026
40AQI (US)
18th July 2026
36AQI (US)
19th July 2026
114AQI (US)
20th July 2026
106AQI (US)
21st July 2026
72AQI (US)
22nd July 2026
20AQI (US)
23rd July 2026
28AQI (US)
24th July 2026
33AQI (US)
25th July 2026
43AQI (US)
26th July 2026
34AQI (US)
27th July 2026
45AQI (US)
28th July 2026
41AQI (US)
29th July 2026
37AQI (US)
30th July 2026
35AQI (US)
31st July 2026
50AQI (US)
1st August 2026
40AQI (US)
2nd August 2026
32AQI (US)
3rd August 2026
40AQI (US)
4th August 2026
43AQI (US)
5th August 2026
44AQI (US)
6th August 2026
56AQI (US)
7th August 2026
44AQI (US)
8th August 2026
44AQI (US)
9th August 2026
49AQI (US)
10th August 2026
42AQI (US)
11th August 2026
41AQI (US)
12th August 2026
39AQI (US)
13th August 2026
32AQI (US)
14th August 2026
38AQI (US)
15th August 2026
44AQI (US)
16th August 2026
44AQI (US)
17th August 2026
27AQI (US)
18th August 2026
19th August 2026
20th August 2026
21st August 2026
22nd August 2026
23rd August 2026
24th August 2026
25th August 2026
26th August 2026
27th August 2026
28th August 2026
29th August 2026
30th August 2026
31st August 2026
1st September 2026
2nd September 2026
3rd September 2026
4th September 2026
5th September 2026
6th September 2026
7th September 2026
8th September 2026
9th September 2026
10th September 2026
11th September 2026
12th September 2026
13th September 2026
14th September 2026
15th September 2026
16th September 2026
17th September 2026
18th September 2026
19th September 2026
20th September 2026
21st September 2026
22nd September 2026
23rd September 2026
24th September 2026
25th September 2026
26th September 2026
27th September 2026
28th September 2026
29th September 2026
30th September 2026
1st October 2026
2nd October 2026
3rd October 2026
4th October 2026
5th October 2026
6th October 2026
7th October 2026
8th October 2026
9th October 2026
10th October 2026
11th October 2026
12th October 2026
13th October 2026
14th October 2026
15th October 2026
16th October 2026
17th October 2026
18th October 2026
19th October 2026
20th October 2026
21st October 2026
22nd October 2026
23rd October 2026
24th October 2026
25th October 2026
26th October 2026
27th October 2026
28th October 2026
29th October 2026
30th October 2026
31st October 2026
1st November 2026
2nd November 2026
3rd November 2026
4th November 2026
5th November 2026
6th November 2026
7th November 2026
8th November 2026
9th November 2026
10th November 2026
11th November 2026
12th November 2026
13th November 2026
14th November 2026
15th November 2026
16th November 2026
17th November 2026
18th November 2026
19th November 2026
20th November 2026
21st November 2026
22nd November 2026
23rd November 2026
24th November 2026
25th November 2026
26th November 2026
27th November 2026
28th November 2026
29th November 2026
30th November 2026
1st December 2026
2nd December 2026
3rd December 2026
4th December 2026
5th December 2026
6th December 2026
7th December 2026
8th December 2026
9th December 2026
10th December 2026
11th December 2026
12th December 2026
13th December 2026
14th December 2026
15th December 2026
16th December 2026
17th December 2026
18th December 2026
19th December 2026
20th December 2026
21st December 2026
22nd December 2026
23rd December 2026
24th December 2026
25th December 2026
26th December 2026
27th December 2026
28th December 2026
29th December 2026
30th December 2026
31st December 2026

37AQI (US)

36AQI (US)

31AQI (US)

25AQI (US)

35AQI (US)

23AQI (US)

37AQI (US)

41AQI (US)

No. of days

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

202633AQI (US)

22
9
28
30
1
28
26
4
29
1
27
2
2
16
1
206
18
2

Highest AQI (US) recorded in

August

41AQI (US)

Lowest AQI (US) recorded in

June

23AQI (US)

202543AQI (US)

25
6
25
3
28
3
29
1
30
1
16
14
13
17
1
18
13
15
15
21
10
17
12
1
14
17
251
112
2

Highest AQI (US) recorded in

July

52AQI (US)

Lowest AQI (US) recorded in

May

32AQI (US)

202440AQI (US)

25
6
16
13
23
8
26
4
26
5
23
6
21
10
21
10
28
2
17
13
1
29
1
28
3
283
81
1

Highest AQI (US) recorded in

October

51AQI (US)

Lowest AQI (US) recorded in

April

32AQI (US)

202350AQI (US)

16
15
19
9
19
12
16
14
20
11
5
19
4
1
1
16
12
3
15
16
21
9
23
8
14
14
1
21
9
1
205
148
9
1
1

Highest AQI (US) recorded in

June

83AQI (US)

Lowest AQI (US) recorded in

October

37AQI (US)

202244AQI (US)

23
6
1
16
5
14
1
26
3
27
4
16
13
13
10
1
21
8
19
12
12
16
2
15
16
203
94
3

Highest AQI (US) recorded in

November

60AQI (US)

Lowest AQI (US) recorded in

March

31AQI (US)

202147AQI (US)

17
12
13
15
16
14
1
16
13
1
21
10
26
4
15
15
1
19
11
1
24
6
26
5
20
9
1
20
11
233
125
5

Highest AQI (US) recorded in

February

55AQI (US)

Lowest AQI (US) recorded in

October

37AQI (US)

202042AQI (US)

10
3
15
5
17
1
7
7
23
8
24
7
21
9
24
7
16
13
1
15
15
1
172
75
2

Highest AQI (US) recorded in

December

53AQI (US)

Lowest AQI (US) recorded in

May

31AQI (US)

Most & Least Polluted Years Over the Last 7 Years

Most Polluted Year Recorded
2023(Avg.)
50AQI (US)
Least Polluted Year Recorded
2026(Avg.)
33AQI (US)

Indpls W.18Th St's annual 2026 AQI (US) (33) shows an average percentage change of -25.1% (improved AQI (US)) compared to previous years: 2020 (42), 2021 (47), 2022 (44), 2023 (50), 2024 (40), 2025 (43).