Louisville, Kentucky, 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
Louisville, Kentucky, United States
2022
2023
2024
2025
2026
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
5th Aug 2024
79AQILowest AQI recorded on
31st Aug 2023
19AQISame Day Analysis (15th August):
On this day, AQI across the 5 years varied significantly: 2026 ranks 3rd highest AQI at 39 of Good air quality, showing improvement over 2025 and 2024 on the same day.
Day & Night AQI Trend: 15th Aug - 16th Aug 2026
Louisville, Kentucky, United States
AQI
Day
Night
.
6 AM15th Aug 2026
8 PM
5 AM16th Aug 2026
Day time
Avg. Highest Time
7PM15th Aug
57AQI
Avg. Lowest Time
8AM15th Aug
23AQI
Night time
Avg. Highest Time
5AM16th Aug
66AQI
Avg. Lowest Time
9PM15th Aug
58AQI
In the last 24 hours,
Louisville's AQI reached its highest point of 66 at 5 AM during the Night, while the lowest point, 23, was recorded at 8 AM during the Day between 15th Aug and 16th Aug 2026.
Day & Night AQI Trend : Jul - Aug 2026
Louisville, Kentucky, United States
JulAug
18th - 19th19th - 20th20th - 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
Day
Night
18th Jul 2026516 AMAQI
18th Jul 2026487 AMAQI
18th Jul 2026438 AMAQI
18th Jul 2026449 AMAQI
18th Jul 20264410 AMAQI
18th Jul 20264411 AMAQI
18th Jul 20264412 PMAQI
18th Jul 2026431 PMAQI
18th Jul 2026442 PMAQI
18th Jul 2026433 PMAQI
18th Jul 2026434 PMAQI
18th Jul 2026435 PMAQI
18th Jul 2026446 PMAQI
18th Jul 2026457 PMAQI
18th Jul 2026428 PMAQI
18th Jul 2026449 PMAQI
18th Jul 20263210 PMAQI
18th Jul 20262611 PMAQI
19th Jul 20263212 AMAQI
19th Jul 2026371 AMAQI
19th Jul 2026432 AMAQI
19th Jul 2026353 AMAQI
19th Jul 2026464 AMAQI
19th Jul 2026335 AMAQI
28°C25/35°C
19th Jul 2026386 AMAQI
19th Jul 2026457 AMAQI
19th Jul 2026558 AMAQI
19th Jul 2026449 AMAQI
19th Jul 20264310 AMAQI
19th Jul 20262911 AMAQI
19th Jul 20265612 PMAQI
19th Jul 2026271 PMAQI
19th Jul 2026482 PMAQI
19th Jul 2026393 PMAQI
19th Jul 2026424 PMAQI
19th Jul 2026515 PMAQI
19th Jul 2026526 PMAQI
19th Jul 2026577 PMAQI
19th Jul 2026608 PMAQI
19th Jul 2026659 PMAQI
19th Jul 20266910 PMAQI
19th Jul 20267511 PMAQI
20th Jul 20268212 AMAQI
20th Jul 2026851 AMAQI
20th Jul 2026882 AMAQI
20th Jul 2026923 AMAQI
20th Jul 2026954 AMAQI
20th Jul 20261005 AMAQI
28°C24/34°C
20th Jul 20261006 AMAQI
20th Jul 20261007 AMAQI
20th Jul 20261058 AMAQI
20th Jul 20261059 AMAQI
20th Jul 202610510 AMAQI
20th Jul 20269311 AMAQI
20th Jul 20268612 PMAQI
20th Jul 2026661 PMAQI
20th Jul 2026662 PMAQI
20th Jul 2026483 PMAQI
20th Jul 2026524 PMAQI
20th Jul 2026325 PMAQI
20th Jul 2026436 PMAQI
20th Jul 2026287 PMAQI
20th Jul 2026418 PMAQI
20th Jul 2026359 PMAQI
20th Jul 20264410 PMAQI
21st Jul 20265112 AMAQI
21st Jul 2026551 AMAQI
21st Jul 2026572 AMAQI
21st Jul 2026593 AMAQI
21st Jul 2026584 AMAQI
21st Jul 2026585 AMAQI
27°C22/34°C
21st Jul 2026546 AMAQI
21st Jul 2026537 AMAQI
21st Jul 2026528 AMAQI
21st Jul 2026509 AMAQI
21st Jul 20264610 AMAQI
21st Jul 20264811 AMAQI
21st Jul 20264612 PMAQI
21st Jul 2026451 PMAQI
21st Jul 2026462 PMAQI
21st Jul 2026453 PMAQI
21st Jul 2026444 PMAQI
21st Jul 2026415 PMAQI
21st Jul 2026416 PMAQI
21st Jul 2026367 PMAQI
21st Jul 2026388 PMAQI
21st Jul 2026409 PMAQI
21st Jul 20262710 PMAQI
21st Jul 20262311 PMAQI
22nd Jul 20262612 AMAQI
22nd Jul 2026281 AMAQI
22nd Jul 2026312 AMAQI
22nd Jul 2026323 AMAQI
22nd Jul 2026424 AMAQI
22nd Jul 2026445 AMAQI
29°C24/35°C
22nd Jul 2026496 AMAQI
22nd Jul 2026507 AMAQI
22nd Jul 2026508 AMAQI
22nd Jul 2026509 AMAQI
22nd Jul 20264810 AMAQI
22nd Jul 20263911 AMAQI
22nd Jul 20263312 PMAQI
22nd Jul 2026461 PMAQI
22nd Jul 2026462 PMAQI
22nd Jul 2026403 PMAQI
22nd Jul 2026434 PMAQI
22nd Jul 2026275 PMAQI
22nd Jul 2026386 PMAQI
22nd Jul 2026367 PMAQI
22nd Jul 2026358 PMAQI
22nd Jul 2026309 PMAQI
22nd Jul 20263510 PMAQI
22nd Jul 20263711 PMAQI
23rd Jul 20263112 AMAQI
23rd Jul 2026321 AMAQI
23rd Jul 2026252 AMAQI
23rd Jul 2026273 AMAQI
23rd Jul 2026294 AMAQI
23rd Jul 2026235 AMAQI
24°C20/28°C
23rd Jul 2026256 AMAQI
23rd Jul 2026217 AMAQI
23rd Jul 2026288 AMAQI
23rd Jul 2026299 AMAQI
23rd Jul 20263710 AMAQI
23rd Jul 20263811 AMAQI
23rd Jul 20263312 PMAQI
23rd Jul 2026181 PMAQI
23rd Jul 2026402 PMAQI
23rd Jul 2026343 PMAQI
23rd Jul 2026394 PMAQI
23rd Jul 2026255 PMAQI
23rd Jul 2026306 PMAQI
23rd Jul 2026247 PMAQI
23rd Jul 2026338 PMAQI
23rd Jul 2026319 PMAQI
23rd Jul 20262510 PMAQI
23rd Jul 20262411 PMAQI
24th Jul 20263212 AMAQI
24th Jul 2026251 AMAQI
24th Jul 2026262 AMAQI
24th Jul 2026403 AMAQI
24th Jul 2026414 AMAQI
24th Jul 2026255 AMAQI
22°C16/30°C
24th Jul 2026316 AMAQI
24th Jul 2026377 AMAQI
24th Jul 2026248 AMAQI
24th Jul 2026259 AMAQI
24th Jul 20264010 AMAQI
24th Jul 20263711 AMAQI
24th Jul 20262512 PMAQI
24th Jul 2026221 PMAQI
24th Jul 2026212 PMAQI
24th Jul 2026253 PMAQI
24th Jul 2026294 PMAQI
24th Jul 2026265 PMAQI
24th Jul 2026216 PMAQI
24th Jul 2026217 PMAQI
24th Jul 2026248 PMAQI
24th Jul 2026239 PMAQI
24th Jul 20262510 PMAQI
24th Jul 20262411 PMAQI
25th Jul 20262412 AMAQI
25th Jul 2026251 AMAQI
25th Jul 2026232 AMAQI
25th Jul 2026233 AMAQI
25th Jul 2026264 AMAQI
25th Jul 2026375 AMAQI
24°C17/30°C
25th Jul 2026396 AMAQI
25th Jul 2026377 AMAQI
25th Jul 2026408 AMAQI
25th Jul 2026399 AMAQI
25th Jul 20263710 AMAQI
25th Jul 20262511 AMAQI
25th Jul 20262612 PMAQI
25th Jul 2026251 PMAQI
25th Jul 2026372 PMAQI
25th Jul 2026273 PMAQI
25th Jul 2026374 PMAQI
25th Jul 2026385 PMAQI
25th Jul 2026406 PMAQI
25th Jul 2026447 PMAQI
25th Jul 2026428 PMAQI
25th Jul 2026419 PMAQI
25th Jul 20263610 PMAQI
25th Jul 20262711 PMAQI
26th Jul 20262612 AMAQI
26th Jul 2026381 AMAQI
26th Jul 2026372 AMAQI
26th Jul 2026283 AMAQI
26th Jul 2026264 AMAQI
26th Jul 2026385 AMAQI
23°C20/26°C
26th Jul 2026446 AMAQI
26th Jul 2026437 AMAQI
26th Jul 2026428 AMAQI
26th Jul 2026419 AMAQI
26th Jul 20264010 AMAQI
26th Jul 20263611 AMAQI
26th Jul 20263112 PMAQI
26th Jul 2026231 PMAQI
26th Jul 2026392 PMAQI
26th Jul 2026293 PMAQI
26th Jul 2026404 PMAQI
26th Jul 2026315 PMAQI
26th Jul 2026266 PMAQI
26th Jul 2026307 PMAQI
26th Jul 2026408 PMAQI
26th Jul 2026429 PMAQI
26th Jul 20264010 PMAQI
26th Jul 20264311 PMAQI
27th Jul 20264012 AMAQI
27th Jul 2026411 AMAQI
27th Jul 2026442 AMAQI
27th Jul 2026413 AMAQI
27th Jul 2026384 AMAQI
27th Jul 2026265 AMAQI
25°C21/31°C
27th Jul 2026396 AMAQI
27th Jul 2026387 AMAQI
27th Jul 2026338 AMAQI
27th Jul 2026389 AMAQI
27th Jul 20263710 AMAQI
27th Jul 20262511 AMAQI
27th Jul 20262412 PMAQI
27th Jul 2026351 PMAQI
27th Jul 2026342 PMAQI
27th Jul 2026353 PMAQI
27th Jul 2026364 PMAQI
27th Jul 2026395 PMAQI
27th Jul 2026426 PMAQI
27th Jul 2026427 PMAQI
27th Jul 2026448 PMAQI
27th Jul 2026469 PMAQI
27th Jul 20264510 PMAQI
27th Jul 20264211 PMAQI
28th Jul 20263912 AMAQI
28th Jul 2026431 AMAQI
28th Jul 2026432 AMAQI
28th Jul 2026423 AMAQI
28th Jul 2026414 AMAQI
28th Jul 2026425 AMAQI
28°C23/35°C
28th Jul 2026446 AMAQI
28th Jul 2026457 AMAQI
28th Jul 2026498 AMAQI
28th Jul 2026489 AMAQI
28th Jul 20265010 AMAQI
28th Jul 20265311 AMAQI
28th Jul 20265312 PMAQI
28th Jul 2026551 PMAQI
28th Jul 2026542 PMAQI
28th Jul 2026563 PMAQI
28th Jul 2026534 PMAQI
28th Jul 2026525 PMAQI
28th Jul 2026536 PMAQI
28th Jul 2026527 PMAQI
28th Jul 2026508 PMAQI
28th Jul 2026499 PMAQI
28th Jul 20264610 PMAQI
28th Jul 20264511 PMAQI
29th Jul 20264512 AMAQI
29th Jul 2026381 AMAQI
29th Jul 2026262 AMAQI
29th Jul 2026383 AMAQI
29th Jul 2026424 AMAQI
29th Jul 2026455 AMAQI
28°C24/34°C
29th Jul 2026456 AMAQI
29th Jul 2026467 AMAQI
29th Jul 2026478 AMAQI
29th Jul 2026509 AMAQI
29th Jul 20264910 AMAQI
29th Jul 20265011 AMAQI
29th Jul 20265212 PMAQI
29th Jul 2026531 PMAQI
29th Jul 2026522 PMAQI
29th Jul 2026533 PMAQI
29th Jul 2026504 PMAQI
29th Jul 2026515 PMAQI
29th Jul 2026506 PMAQI
29th Jul 2026507 PMAQI
29th Jul 2026468 PMAQI
29th Jul 2026469 PMAQI
29th Jul 20264310 PMAQI
29th Jul 20264411 PMAQI
30th Jul 20264612 AMAQI
30th Jul 2026421 AMAQI
30th Jul 2026512 AMAQI
30th Jul 2026503 AMAQI
30th Jul 2026454 AMAQI
30th Jul 2026435 AMAQI
26°C21/33°C
30th Jul 2026516 AMAQI
30th Jul 2026447 AMAQI
30th Jul 2026528 AMAQI
30th Jul 2026539 AMAQI
30th Jul 20265410 AMAQI
30th Jul 20264211 AMAQI
30th Jul 20264112 PMAQI
30th Jul 2026341 PMAQI
30th Jul 2026252 PMAQI
30th Jul 2026253 PMAQI
30th Jul 2026244 PMAQI
30th Jul 2026305 PMAQI
30th Jul 2026366 PMAQI
30th Jul 2026317 PMAQI
30th Jul 2026348 PMAQI
30th Jul 2026279 PMAQI
30th Jul 20264310 PMAQI
30th Jul 20264011 PMAQI
31st Jul 20264012 AMAQI
31st Jul 2026531 AMAQI
31st Jul 2026542 AMAQI
31st Jul 2026553 AMAQI
31st Jul 2026554 AMAQI
31st Jul 2026515 AMAQI
26°C19/33°C
31st Jul 2026426 AMAQI
31st Jul 2026377 AMAQI
31st Jul 2026548 AMAQI
31st Jul 2026579 AMAQI
31st Jul 20265410 AMAQI
31st Jul 20264611 AMAQI
31st Jul 20264112 PMAQI
31st Jul 2026381 PMAQI
31st Jul 2026242 PMAQI
31st Jul 2026343 PMAQI
31st Jul 2026364 PMAQI
31st Jul 2026255 PMAQI
31st Jul 2026236 PMAQI
31st Jul 2026277 PMAQI
31st Jul 2026308 PMAQI
31st Jul 2026269 PMAQI
31st Jul 20263810 PMAQI
31st Jul 20263611 PMAQI
1st Aug 20263512 AMAQI
1st Aug 2026381 AMAQI
1st Aug 2026362 AMAQI
1st Aug 2026373 AMAQI
1st Aug 2026254 AMAQI
1st Aug 2026255 AMAQI
26°C20/34°C
1st Aug 2026386 AMAQI
1st Aug 2026397 AMAQI
1st Aug 2026378 AMAQI
1st Aug 2026369 AMAQI
1st Aug 20262810 AMAQI
1st Aug 20262611 AMAQI
1st Aug 20263412 PMAQI
1st Aug 2026461 PMAQI
1st Aug 2026442 PMAQI
1st Aug 2026403 PMAQI
1st Aug 2026244 PMAQI
1st Aug 2026365 PMAQI
1st Aug 2026356 PMAQI
1st Aug 2026247 PMAQI
1st Aug 2026308 PMAQI
1st Aug 2026409 PMAQI
1st Aug 20262910 PMAQI
1st Aug 20263311 PMAQI
2nd Aug 20263612 AMAQI
2nd Aug 2026341 AMAQI
2nd Aug 2026272 AMAQI
2nd Aug 2026393 AMAQI
2nd Aug 2026364 AMAQI
2nd Aug 2026275 AMAQI
25°C22/29°C
2nd Aug 2026326 AMAQI
2nd Aug 2026287 AMAQI
2nd Aug 2026298 AMAQI
2nd Aug 2026249 AMAQI
2nd Aug 20263410 AMAQI
2nd Aug 20263311 AMAQI
2nd Aug 20263912 PMAQI
2nd Aug 2026441 PMAQI
2nd Aug 2026442 PMAQI
2nd Aug 2026483 PMAQI
2nd Aug 2026364 PMAQI
2nd Aug 2026365 PMAQI
2nd Aug 2026406 PMAQI
2nd Aug 2026387 PMAQI
2nd Aug 2026368 PMAQI
2nd Aug 2026259 PMAQI
2nd Aug 20263810 PMAQI
2nd Aug 20262711 PMAQI
3rd Aug 20263712 AMAQI
3rd Aug 2026251 AMAQI
3rd Aug 2026402 AMAQI
3rd Aug 2026413 AMAQI
3rd Aug 2026314 AMAQI
3rd Aug 2026405 AMAQI
23°C21/25°C
3rd Aug 2026396 AMAQI
3rd Aug 2026387 AMAQI
3rd Aug 2026388 AMAQI
3rd Aug 2026369 AMAQI
3rd Aug 20263610 AMAQI
3rd Aug 20263611 AMAQI
3rd Aug 20263712 PMAQI
3rd Aug 2026381 PMAQI
3rd Aug 2026332 PMAQI
3rd Aug 2026333 PMAQI
3rd Aug 2026354 PMAQI
3rd Aug 2026355 PMAQI
3rd Aug 2026376 PMAQI
3rd Aug 2026477 PMAQI
3rd Aug 2026398 PMAQI
3rd Aug 2026239 PMAQI
3rd Aug 20263710 PMAQI
3rd Aug 20263911 PMAQI
4th Aug 20264012 AMAQI
4th Aug 2026431 AMAQI
4th Aug 2026402 AMAQI
4th Aug 2026423 AMAQI
4th Aug 2026484 AMAQI
4th Aug 2026495 AMAQI
24°C19/31°C
4th Aug 2026506 AMAQI
4th Aug 2026487 AMAQI
4th Aug 2026488 AMAQI
4th Aug 2026459 AMAQI
4th Aug 20264310 AMAQI
4th Aug 20264911 AMAQI
4th Aug 20265112 PMAQI
4th Aug 2026511 PMAQI
4th Aug 2026492 PMAQI
4th Aug 2026343 PMAQI
4th Aug 2026234 PMAQI
4th Aug 2026145 PMAQI
4th Aug 2026236 PMAQI
4th Aug 2026357 PMAQI
4th Aug 2026328 PMAQI
4th Aug 2026239 PMAQI
4th Aug 20264110 PMAQI
4th Aug 20264011 PMAQI
5th Aug 20264412 AMAQI
5th Aug 2026471 AMAQI
5th Aug 2026492 AMAQI
5th Aug 2026473 AMAQI
5th Aug 2026464 AMAQI
5th Aug 2026445 AMAQI
26°C19/32°C
5th Aug 2026516 AMAQI
5th Aug 2026457 AMAQI
5th Aug 2026448 AMAQI
5th Aug 2026479 AMAQI
5th Aug 20264710 AMAQI
5th Aug 20264811 AMAQI
5th Aug 20265012 PMAQI
5th Aug 2026401 PMAQI
5th Aug 2026402 PMAQI
5th Aug 2026433 PMAQI
5th Aug 2026244 PMAQI
5th Aug 2026425 PMAQI
5th Aug 2026486 PMAQI
5th Aug 2026397 PMAQI
5th Aug 2026408 PMAQI
5th Aug 2026399 PMAQI
5th Aug 20263010 PMAQI
5th Aug 20264011 PMAQI
6th Aug 20264312 AMAQI
6th Aug 2026441 AMAQI
6th Aug 2026482 AMAQI
6th Aug 2026443 AMAQI
6th Aug 2026454 AMAQI
6th Aug 2026495 AMAQI
27°C20/35°C
6th Aug 2026476 AMAQI
6th Aug 2026477 AMAQI
6th Aug 2026528 AMAQI
6th Aug 2026519 AMAQI
6th Aug 20265210 AMAQI
6th Aug 20265111 AMAQI
6th Aug 20264812 PMAQI
6th Aug 2026461 PMAQI
6th Aug 2026442 PMAQI
6th Aug 2026423 PMAQI
6th Aug 2026424 PMAQI
6th Aug 2026385 PMAQI
6th Aug 2026266 PMAQI
6th Aug 2026347 PMAQI
6th Aug 2026418 PMAQI
6th Aug 2026439 PMAQI
6th Aug 20264510 PMAQI
6th Aug 20264811 PMAQI
7th Aug 20264712 AMAQI
7th Aug 2026481 AMAQI
7th Aug 2026452 AMAQI
7th Aug 2026473 AMAQI
7th Aug 2026444 AMAQI
7th Aug 2026475 AMAQI
28°C22/36°C
7th Aug 2026476 AMAQI
7th Aug 2026467 AMAQI
7th Aug 2026418 AMAQI
7th Aug 2026419 AMAQI
7th Aug 20263810 AMAQI
7th Aug 20262911 AMAQI
7th Aug 20263012 PMAQI
7th Aug 2026401 PMAQI
7th Aug 2026422 PMAQI
7th Aug 2026453 PMAQI
7th Aug 2026454 PMAQI
7th Aug 2026455 PMAQI
7th Aug 2026466 PMAQI
7th Aug 2026477 PMAQI
7th Aug 2026488 PMAQI
7th Aug 2026499 PMAQI
7th Aug 20264910 PMAQI
7th Aug 20264911 PMAQI
8th Aug 20265012 AMAQI
8th Aug 2026531 AMAQI
8th Aug 2026532 AMAQI
8th Aug 2026503 AMAQI
8th Aug 2026504 AMAQI
8th Aug 2026455 AMAQI
30°C24/37°C
8th Aug 2026446 AMAQI
8th Aug 2026467 AMAQI
8th Aug 2026448 AMAQI
8th Aug 2026489 AMAQI
8th Aug 20264710 AMAQI
8th Aug 20264611 AMAQI
8th Aug 20264212 PMAQI
8th Aug 2026421 PMAQI
8th Aug 2026422 PMAQI
8th Aug 2026463 PMAQI
8th Aug 2026444 PMAQI
8th Aug 2026455 PMAQI
8th Aug 2026466 PMAQI
8th Aug 2026467 PMAQI
8th Aug 2026438 PMAQI
8th Aug 2026449 PMAQI
8th Aug 20264410 PMAQI
8th Aug 20264211 PMAQI
9th Aug 20264712 AMAQI
9th Aug 2026481 AMAQI
9th Aug 2026452 AMAQI
9th Aug 2026443 AMAQI
9th Aug 2026444 AMAQI
9th Aug 2026425 AMAQI
29°C24/35°C
9th Aug 2026426 AMAQI
9th Aug 2026407 AMAQI
9th Aug 2026408 AMAQI
9th Aug 2026389 AMAQI
9th Aug 20264010 AMAQI
9th Aug 20263811 AMAQI
9th Aug 20262512 PMAQI
9th Aug 2026221 PMAQI
9th Aug 2026242 PMAQI
9th Aug 2026233 PMAQI
9th Aug 2026224 PMAQI
9th Aug 2026235 PMAQI
9th Aug 2026236 PMAQI
9th Aug 2026237 PMAQI
9th Aug 2026308 PMAQI
9th Aug 2026359 PMAQI
9th Aug 20264910 PMAQI
9th Aug 20263711 PMAQI
10th Aug 20263912 AMAQI
10th Aug 2026381 AMAQI
10th Aug 2026402 AMAQI
10th Aug 2026483 AMAQI
10th Aug 2026464 AMAQI
10th Aug 2026475 AMAQI
29°C22/36°C
10th Aug 2026476 AMAQI
10th Aug 2026447 AMAQI
10th Aug 2026438 AMAQI
10th Aug 2026459 AMAQI
10th Aug 20264510 AMAQI
10th Aug 20264011 AMAQI
10th Aug 20263712 PMAQI
10th Aug 2026371 PMAQI
10th Aug 2026382 PMAQI
10th Aug 2026383 PMAQI
10th Aug 2026374 PMAQI
10th Aug 2026395 PMAQI
10th Aug 2026406 PMAQI
10th Aug 2026387 PMAQI
10th Aug 2026388 PMAQI
10th Aug 2026409 PMAQI
10th Aug 20263810 PMAQI
10th Aug 20264311 PMAQI
11th Aug 20264312 AMAQI
11th Aug 2026431 AMAQI
11th Aug 2026432 AMAQI
11th Aug 2026433 AMAQI
11th Aug 2026464 AMAQI
11th Aug 2026425 AMAQI
30°C24/37°C
11th Aug 2026426 AMAQI
11th Aug 2026447 AMAQI
11th Aug 2026458 AMAQI
11th Aug 2026459 AMAQI
11th Aug 20264410 AMAQI
11th Aug 20264411 AMAQI
11th Aug 20264412 PMAQI
11th Aug 2026411 PMAQI
11th Aug 2026422 PMAQI
11th Aug 2026433 PMAQI
11th Aug 2026414 PMAQI
11th Aug 2026415 PMAQI
11th Aug 2026436 PMAQI
11th Aug 2026427 PMAQI
11th Aug 2026428 PMAQI
11th Aug 2026419 PMAQI
11th Aug 20264310 PMAQI
11th Aug 20264111 PMAQI
12th Aug 20263912 AMAQI
12th Aug 2026391 AMAQI
12th Aug 2026372 AMAQI
12th Aug 2026243 AMAQI
12th Aug 2026384 AMAQI
12th Aug 2026415 AMAQI
30°C22/37°C
12th Aug 2026396 AMAQI
12th Aug 2026267 AMAQI
12th Aug 2026268 AMAQI
12th Aug 2026259 AMAQI
12th Aug 20263710 AMAQI
12th Aug 20262211 AMAQI
12th Aug 20262312 PMAQI
12th Aug 2026351 PMAQI
12th Aug 2026312 PMAQI
12th Aug 2026383 PMAQI
12th Aug 2026244 PMAQI
12th Aug 2026415 PMAQI
12th Aug 2026236 PMAQI
12th Aug 2026347 PMAQI
12th Aug 2026288 PMAQI
12th Aug 2026429 PMAQI
12th Aug 20264010 PMAQI
12th Aug 20263311 PMAQI
13th Aug 20262312 AMAQI
13th Aug 2026251 AMAQI
13th Aug 2026242 AMAQI
13th Aug 2026253 AMAQI
13th Aug 2026284 AMAQI
13th Aug 2026255 AMAQI
25°C21/32°C
13th Aug 2026256 AMAQI
13th Aug 2026237 AMAQI
13th Aug 2026238 AMAQI
13th Aug 2026259 AMAQI
13th Aug 20263910 AMAQI
13th Aug 20264011 AMAQI
13th Aug 20264212 PMAQI
13th Aug 2026431 PMAQI
13th Aug 2026412 PMAQI
13th Aug 2026433 PMAQI
13th Aug 2026444 PMAQI
13th Aug 2026415 PMAQI
13th Aug 2026416 PMAQI
13th Aug 2026417 PMAQI
13th Aug 2026408 PMAQI
13th Aug 2026389 PMAQI
13th Aug 20262410 PMAQI
13th Aug 20262511 PMAQI
14th Aug 20262412 AMAQI
14th Aug 2026271 AMAQI
14th Aug 2026282 AMAQI
14th Aug 2026313 AMAQI
14th Aug 2026384 AMAQI
14th Aug 2026415 AMAQI
28°C22/36°C
14th Aug 2026426 AMAQI
14th Aug 2026437 AMAQI
14th Aug 2026448 AMAQI
14th Aug 2026449 AMAQI
14th Aug 20264410 AMAQI
14th Aug 20264311 AMAQI
14th Aug 20264512 PMAQI
14th Aug 2026431 PMAQI
14th Aug 2026422 PMAQI
14th Aug 2026403 PMAQI
14th Aug 2026344 PMAQI
14th Aug 2026375 PMAQI
14th Aug 2026306 PMAQI
14th Aug 2026257 PMAQI
14th Aug 2026268 PMAQI
14th Aug 2026279 PMAQI
14th Aug 20264210 PMAQI
14th Aug 20264111 PMAQI
15th Aug 20262312 AMAQI
15th Aug 2026251 AMAQI
15th Aug 2026222 AMAQI
15th Aug 2026223 AMAQI
15th Aug 2026234 AMAQI
15th Aug 2026225 AMAQI
29°C24/36°C
15th Aug 2026236 AMAQI
15th Aug 2026237 AMAQI
15th Aug 2026238 AMAQI
15th Aug 2026249 AMAQI
15th Aug 20262610 AMAQI
15th Aug 20264311 AMAQI
15th Aug 20264512 PMAQI
15th Aug 2026471 PMAQI
15th Aug 2026502 PMAQI
15th Aug 2026503 PMAQI
15th Aug 2026514 PMAQI
15th Aug 2026535 PMAQI
15th Aug 2026546 PMAQI
15th Aug 2026577 PMAQI
15th Aug 2026568 PMAQI
15th Aug 2026589 PMAQI
15th Aug 20266010 PMAQI
15th Aug 20266311 PMAQI
16th Aug 20266312 AMAQI
16th Aug 2026641 AMAQI
16th Aug 2026642 AMAQI
16th Aug 2026633 AMAQI
16th Aug 2026644 AMAQI
16th Aug 2026665 AMAQI
30°C23/37°C
16th Aug 2026646 AMAQI
6 AM16th Aug 2026687 AMAQI
16th Aug 2026678 AMAQI
16th Aug 2026679 AMAQI
16th Aug 20266710 AMAQI
16th Aug 20266411 AMAQI
16th Aug 20266212 PMAQI
16th Aug 2026601 PMAQI
1 PM16th Aug 2026572 PMAQI
16th Aug 2026553 PMAQI
16th Aug 2026554 PMAQI
16th Aug 2026525 PMAQI
16th Aug 2026486 PMAQI
16th Aug 2026447 PMAQI
8 PM
1 AM
5 AM
30°C25/38°C
Day time
Avg. Highest Time
6 AM - 10 AM
44AQI
5 hours / Day
150 hours / Month
Avg. Lowest Time
4 PM - 8 PM
38AQI
5 hours / Day
150 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 6 AM to 10 AM (Avg. 44), while the lowest AQI was between 4 PM to 8 PM (Avg. 38).
Night time
Avg. Highest Time
1 AM - 5 AM
42AQI
5 hours / Day
150 hours / Month
Avg. Lowest Time
9 PM
38AQI
1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 1 AM to 5 AM (Avg. 42), while the lowest AQI was between 9 PM to 9 PM (Avg. 38).
2026 Days Vs Air Quality
Louisville, Kentucky, United States
2026
95%
212
5%
12
Total number of days with different AQI categories in last 228 days in 2026 (137 days remaining)
Good
212 DaysModerate
12 DaysPoor
0 DaysUnhealthy
0 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 95%
Health Risk Level:
Very Low
In 2026, 95% of 228 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
Louisville, Kentucky, 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
33AQI (US)
33AQI (US)
2nd January 2026
48AQI (US)
48AQI (US)
3rd January 2026
57AQI (US)
57AQI (US)
4th January 2026
60AQI (US)
60AQI (US)
5th January 2026
53AQI (US)
53AQI (US)
6th January 2026
49AQI (US)
49AQI (US)
7th January 2026
60AQI (US)
60AQI (US)
8th January 2026
55AQI (US)
55AQI (US)
9th January 2026
31AQI (US)
31AQI (US)
10th January 2026
21AQI (US)
21AQI (US)
11th January 2026
18AQI (US)
18AQI (US)
12th January 2026
29AQI (US)
29AQI (US)
13th January 2026
26AQI (US)
26AQI (US)
14th January 2026
15AQI (US)
15AQI (US)
15th January 2026
11AQI (US)
11AQI (US)
16th January 2026
25AQI (US)
25AQI (US)
17th January 2026
30AQI (US)
30AQI (US)
18th January 2026
19AQI (US)
19AQI (US)
19th January 2026
17AQI (US)
17AQI (US)
20th January 2026
19AQI (US)
19AQI (US)
21st January 2026
35AQI (US)
35AQI (US)
22nd January 2026
40AQI (US)
40AQI (US)
23rd January 2026
42AQI (US)
42AQI (US)
24th January 2026
31AQI (US)
31AQI (US)
25th January 2026
36AQI (US)
36AQI (US)
26th January 2026
34AQI (US)
34AQI (US)
27th January 2026
30AQI (US)
30AQI (US)
28th January 2026
32AQI (US)
32AQI (US)
29th January 2026
53AQI (US)
53AQI (US)
30th January 2026
53AQI (US)
53AQI (US)
31st January 2026
33AQI (US)
33AQI (US)
1st February 2026
41AQI (US)
41AQI (US)
2nd February 2026
45AQI (US)
45AQI (US)
3rd February 2026
42AQI (US)
42AQI (US)
4th February 2026
34AQI (US)
34AQI (US)
5th February 2026
47AQI (US)
47AQI (US)
6th February 2026
41AQI (US)
41AQI (US)
7th February 2026
37AQI (US)
37AQI (US)
8th February 2026
25AQI (US)
25AQI (US)
9th February 2026
41AQI (US)
41AQI (US)
10th February 2026
43AQI (US)
43AQI (US)
11th February 2026
30AQI (US)
30AQI (US)
12th February 2026
32AQI (US)
32AQI (US)
13th February 2026
40AQI (US)
40AQI (US)
14th February 2026
41AQI (US)
41AQI (US)
15th February 2026
34AQI (US)
34AQI (US)
16th February 2026
35AQI (US)
35AQI (US)
17th February 2026
39AQI (US)
39AQI (US)
18th February 2026
40AQI (US)
40AQI (US)
19th February 2026
36AQI (US)
36AQI (US)
20th February 2026
28AQI (US)
28AQI (US)
21st February 2026
26AQI (US)
26AQI (US)
22nd February 2026
26AQI (US)
26AQI (US)
23rd February 2026
27AQI (US)
27AQI (US)
24th February 2026
33AQI (US)
33AQI (US)
25th February 2026
42AQI (US)
42AQI (US)
26th February 2026
28AQI (US)
28AQI (US)
27th February 2026
28AQI (US)
28AQI (US)
28th February 2026
28AQI (US)
28AQI (US)
1st March 2026
28AQI (US)
28AQI (US)
2nd March 2026
45AQI (US)
45AQI (US)
3rd March 2026
28AQI (US)
28AQI (US)
4th March 2026
37AQI (US)
37AQI (US)
5th March 2026
27AQI (US)
27AQI (US)
6th March 2026
19AQI (US)
19AQI (US)
7th March 2026
30AQI (US)
30AQI (US)
8th March 2026
29AQI (US)
29AQI (US)
9th March 2026
28AQI (US)
28AQI (US)
10th March 2026
32AQI (US)
32AQI (US)
11th March 2026
36AQI (US)
36AQI (US)
12th March 2026
37AQI (US)
37AQI (US)
13th March 2026
32AQI (US)
32AQI (US)
14th March 2026
23AQI (US)
23AQI (US)
15th March 2026
24AQI (US)
24AQI (US)
16th March 2026
29AQI (US)
29AQI (US)
17th March 2026
30AQI (US)
30AQI (US)
18th March 2026
21AQI (US)
21AQI (US)
19th March 2026
31AQI (US)
31AQI (US)
20th March 2026
43AQI (US)
43AQI (US)
21st March 2026
33AQI (US)
33AQI (US)
22nd March 2026
35AQI (US)
35AQI (US)
23rd March 2026
38AQI (US)
38AQI (US)
24th March 2026
26AQI (US)
26AQI (US)
25th March 2026
33AQI (US)
33AQI (US)
26th March 2026
35AQI (US)
35AQI (US)
27th March 2026
24AQI (US)
24AQI (US)
28th March 2026
21AQI (US)
21AQI (US)
29th March 2026
15AQI (US)
15AQI (US)
30th March 2026
24AQI (US)
24AQI (US)
31st March 2026
28AQI (US)
28AQI (US)
1st April 2026
24AQI (US)
24AQI (US)
2nd April 2026
20AQI (US)
20AQI (US)
3rd April 2026
19AQI (US)
19AQI (US)
4th April 2026
28AQI (US)
28AQI (US)
5th April 2026
29AQI (US)
29AQI (US)
6th April 2026
29AQI (US)
29AQI (US)
7th April 2026
24AQI (US)
24AQI (US)
8th April 2026
31AQI (US)
31AQI (US)
9th April 2026
29AQI (US)
29AQI (US)
10th April 2026
33AQI (US)
33AQI (US)
11th April 2026
27AQI (US)
27AQI (US)
12th April 2026
25AQI (US)
25AQI (US)
13th April 2026
25AQI (US)
25AQI (US)
14th April 2026
26AQI (US)
26AQI (US)
15th April 2026
30AQI (US)
30AQI (US)
16th April 2026
27AQI (US)
27AQI (US)
17th April 2026
18th April 2026
22AQI (US)
22AQI (US)
19th April 2026
22AQI (US)
22AQI (US)
20th April 2026
21AQI (US)
21AQI (US)
21st April 2026
26AQI (US)
26AQI (US)
22nd April 2026
23rd April 2026
36AQI (US)
36AQI (US)
24th April 2026
35AQI (US)
35AQI (US)
25th April 2026
16AQI (US)
16AQI (US)
26th April 2026
22AQI (US)
22AQI (US)
27th April 2026
20AQI (US)
20AQI (US)
28th April 2026
21AQI (US)
21AQI (US)
29th April 2026
22AQI (US)
22AQI (US)
30th April 2026
22AQI (US)
22AQI (US)
1st May 2026
24AQI (US)
24AQI (US)
2nd May 2026
14AQI (US)
14AQI (US)
3rd May 2026
20AQI (US)
20AQI (US)
4th May 2026
34AQI (US)
34AQI (US)
5th May 2026
36AQI (US)
36AQI (US)
6th May 2026
25AQI (US)
25AQI (US)
7th May 2026
22AQI (US)
22AQI (US)
8th May 2026
31AQI (US)
31AQI (US)
9th May 2026
10th May 2026
27AQI (US)
27AQI (US)
11th May 2026
19AQI (US)
19AQI (US)
12th May 2026
27AQI (US)
27AQI (US)
13th May 2026
29AQI (US)
29AQI (US)
14th May 2026
19AQI (US)
19AQI (US)
15th May 2026
36AQI (US)
36AQI (US)
16th May 2026
48AQI (US)
48AQI (US)
17th May 2026
52AQI (US)
52AQI (US)
18th May 2026
55AQI (US)
55AQI (US)
19th May 2026
52AQI (US)
52AQI (US)
20th May 2026
44AQI (US)
44AQI (US)
21st May 2026
39AQI (US)
39AQI (US)
22nd May 2026
37AQI (US)
37AQI (US)
23rd May 2026
39AQI (US)
39AQI (US)
24th May 2026
39AQI (US)
39AQI (US)
25th May 2026
40AQI (US)
40AQI (US)
26th May 2026
22AQI (US)
22AQI (US)
27th May 2026
13AQI (US)
13AQI (US)
28th May 2026
14AQI (US)
14AQI (US)
29th May 2026
16AQI (US)
16AQI (US)
30th May 2026
16AQI (US)
16AQI (US)
31st May 2026
14AQI (US)
14AQI (US)
1st June 2026
19AQI (US)
19AQI (US)
2nd June 2026
16AQI (US)
16AQI (US)
3rd June 2026
17AQI (US)
17AQI (US)
4th June 2026
25AQI (US)
25AQI (US)
5th June 2026
27AQI (US)
27AQI (US)
6th June 2026
24AQI (US)
24AQI (US)
7th June 2026
21AQI (US)
21AQI (US)
8th June 2026
14AQI (US)
14AQI (US)
9th June 2026
18AQI (US)
18AQI (US)
10th June 2026
20AQI (US)
20AQI (US)
11th June 2026
20AQI (US)
20AQI (US)
12th June 2026
15AQI (US)
15AQI (US)
13th June 2026
16AQI (US)
16AQI (US)
14th June 2026
15AQI (US)
15AQI (US)
15th June 2026
13AQI (US)
13AQI (US)
16th June 2026
21AQI (US)
21AQI (US)
17th June 2026
22AQI (US)
22AQI (US)
18th June 2026
21AQI (US)
21AQI (US)
19th June 2026
14AQI (US)
14AQI (US)
20th June 2026
17AQI (US)
17AQI (US)
21st June 2026
15AQI (US)
15AQI (US)
22nd June 2026
15AQI (US)
15AQI (US)
23rd June 2026
13AQI (US)
13AQI (US)
24th June 2026
12AQI (US)
12AQI (US)
25th June 2026
21AQI (US)
21AQI (US)
26th June 2026
14AQI (US)
14AQI (US)
27th June 2026
18AQI (US)
18AQI (US)
28th June 2026
18AQI (US)
18AQI (US)
29th June 2026
28AQI (US)
28AQI (US)
30th June 2026
43AQI (US)
43AQI (US)
1st July 2026
68AQI (US)
68AQI (US)
2nd July 2026
44AQI (US)
44AQI (US)
3rd July 2026
34AQI (US)
34AQI (US)
4th July 2026
16AQI (US)
16AQI (US)
5th July 2026
19AQI (US)
19AQI (US)
6th July 2026
21AQI (US)
21AQI (US)
7th July 2026
18AQI (US)
18AQI (US)
8th July 2026
20AQI (US)
20AQI (US)
9th July 2026
18AQI (US)
18AQI (US)
10th July 2026
15AQI (US)
15AQI (US)
11th July 2026
11AQI (US)
11AQI (US)
12th July 2026
14AQI (US)
14AQI (US)
13th July 2026
16AQI (US)
16AQI (US)
14th July 2026
11AQI (US)
11AQI (US)
15th July 2026
15AQI (US)
15AQI (US)
16th July 2026
17AQI (US)
17AQI (US)
17th July 2026
32AQI (US)
32AQI (US)
18th July 2026
44AQI (US)
44AQI (US)
19th July 2026
47AQI (US)
47AQI (US)
20th July 2026
74AQI (US)
74AQI (US)
21st July 2026
46AQI (US)
46AQI (US)
22nd July 2026
39AQI (US)
39AQI (US)
23rd July 2026
29AQI (US)
29AQI (US)
24th July 2026
28AQI (US)
28AQI (US)
25th July 2026
33AQI (US)
33AQI (US)
26th July 2026
36AQI (US)
36AQI (US)
27th July 2026
38AQI (US)
38AQI (US)
28th July 2026
48AQI (US)
48AQI (US)
29th July 2026
46AQI (US)
46AQI (US)
30th July 2026
40AQI (US)
40AQI (US)
31st July 2026
40AQI (US)
40AQI (US)
1st August 2026
34AQI (US)
34AQI (US)
2nd August 2026
35AQI (US)
35AQI (US)
3rd August 2026
36AQI (US)
36AQI (US)
4th August 2026
40AQI (US)
40AQI (US)
5th August 2026
43AQI (US)
43AQI (US)
6th August 2026
45AQI (US)
45AQI (US)
7th August 2026
44AQI (US)
44AQI (US)
8th August 2026
46AQI (US)
46AQI (US)
9th August 2026
35AQI (US)
35AQI (US)
10th August 2026
41AQI (US)
41AQI (US)
11th August 2026
43AQI (US)
43AQI (US)
12th August 2026
33AQI (US)
33AQI (US)
13th August 2026
33AQI (US)
33AQI (US)
14th August 2026
37AQI (US)
37AQI (US)
15th August 2026
39AQI (US)
39AQI (US)
16th August 2026
17th August 2026
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
35AQI (US)
35AQI (US)
30AQI (US)
25AQI (US)
30AQI (US)
19AQI (US)
32AQI (US)
39AQI (US)
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202630AQI (US)
24
7
28
31
28
27
3
30
29
2
15
212
12
Highest AQI (US) recorded in
August39AQI (US)
Lowest AQI (US) recorded in
June19AQI (US)
202538AQI (US)
28
3
28
28
3
28
2
30
1
18
12
21
9
1
26
5
17
13
24
7
26
4
17
14
291
73
1
Highest AQI (US) recorded in
December47AQI (US)
Lowest AQI (US) recorded in
May29AQI (US)
202433AQI (US)
27
3
23
6
31
28
1
31
28
2
27
4
20
11
30
24
7
28
2
31
328
36
Highest AQI (US) recorded in
August45AQI (US)
Lowest AQI (US) recorded in
September26AQI (US)
202345AQI (US)
21
10
22
6
22
9
21
9
27
4
7
20
2
1
17
12
2
17
14
28
2
28
3
18
11
27
4
255
104
4
1
Highest AQI (US) recorded in
June72AQI (US)
Lowest AQI (US) recorded in
October35AQI (US)
202240AQI (US)
19
12
15
7
26
5
14
3
30
1
25
5
20
2
1
26
3
25
6
15
15
22
9
238
68
Highest AQI (US) recorded in
November49AQI (US)
Lowest AQI (US) recorded in
September31AQI (US)
202143AQI (US)
19
10
14
14
26
5
23
7
23
8
26
2
15
16
20
11
24
5
28
3
22
8
24
7
264
96
Highest AQI (US) recorded in
July54AQI (US)
Lowest AQI (US) recorded in
October37AQI (US)
202039AQI (US)
9
4
17
4
18
28
2
29
2
27
4
29
1
25
6
20
10
16
15
218
48
Highest AQI (US) recorded in
December50AQI (US)
Lowest AQI (US) recorded in
May29AQI (US)
Most & Least Polluted Years Over the Last 7 Years
Most Polluted Year Recorded
2023(Avg.)
45AQI (US)Least Polluted Year Recorded
2026(Avg.)
30AQI (US)Louisville's annual 2026 AQI (US) (30) shows an average percentage change of -23.6% (improved AQI (US)) compared to previous years: 2020 (39), 2021 (43), 2022 (40), 2023 (45), 2024 (33), 2025 (38).
