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HistoryAQIPM2.5PM10COSO2NO2O3

Lafayette Usgs Site, Lafayette, Louisiana, 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

Lafayette Usgs Site, Lafayette, Louisiana, United States

2021
2022
2023
2024
2025
AQI
.
Days

AQI Trends: Highest and Lowest

Highest AQI recorded on
4th Oct 2023
85AQI
Lowest AQI recorded on
3rd Oct 2021
20AQI

Same Day Analysis (2nd October ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 1st highest AQI at 61 of Moderate air quality on the same day.

Download 2024 Annual Data

World Air Quality Report

Globe

Day & Night AQI Trend: 2nd Oct - 3rd Oct 2025

Lafayette Usgs Site, Lafayette, Louisiana, United States

AQI
Day
Night
.

6 AM2nd Oct 2025

7 PM

5 AM3rd Oct 2025

Day time
Avg. Highest Time
7AM2nd Oct

68AQI

Avg. Lowest Time
11AM2nd Oct

51AQI

Night time
Avg. Highest Time
6AM2nd Oct

70AQI

Avg. Lowest Time
10PM2nd Oct

54AQI

In the last 24 hours,

Lafayette Usgs Site's AQI reached its highest point of 70 at 6 AM during the Night, while the lowest point, 51, was recorded at 11 AM during the Day between 2nd Oct and 3rd Oct 2025.

Day & Night AQI Trend : Sep - Oct 2025

Lafayette Usgs Site, Lafayette, Louisiana, United States

SepOct
03rd - 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 - 01st01st - 02nd02nd - 03rd03rd
Day
Night
3rd Sep 2025386 AMAQI
3rd Sep 2025427 AMAQI
3rd Sep 2025418 AMAQI
3rd Sep 2025449 AMAQI
3rd Sep 20254210 AMAQI
3rd Sep 20254711 AMAQI
3rd Sep 20255212 PMAQI
3rd Sep 2025541 PMAQI
3rd Sep 2025562 PMAQI
3rd Sep 2025573 PMAQI
3rd Sep 2025574 PMAQI
3rd Sep 2025595 PMAQI
3rd Sep 2025596 PMAQI
3rd Sep 2025507 PMAQI
3rd Sep 2025498 PMAQI
3rd Sep 2025489 PMAQI
3rd Sep 20254810 PMAQI
3rd Sep 20255011 PMAQI
4th Sep 20254912 AMAQI
4th Sep 2025501 AMAQI
4th Sep 2025492 AMAQI
4th Sep 2025383 AMAQI
4th Sep 2025374 AMAQI
4th Sep 2025395 AMAQI

27°C22/36°C

4th Sep 2025376 AMAQI
4th Sep 2025417 AMAQI
4th Sep 2025478 AMAQI
4th Sep 2025559 AMAQI
4th Sep 20254810 AMAQI
4th Sep 20254011 AMAQI
4th Sep 20254712 PMAQI
4th Sep 2025491 PMAQI
4th Sep 2025512 PMAQI
4th Sep 2025463 PMAQI
4th Sep 2025444 PMAQI
4th Sep 2025445 PMAQI
4th Sep 2025476 PMAQI
4th Sep 2025477 PMAQI
4th Sep 2025478 PMAQI
4th Sep 2025449 PMAQI
4th Sep 20254410 PMAQI
4th Sep 20254811 PMAQI
5th Sep 20254512 AMAQI
5th Sep 2025451 AMAQI
5th Sep 2025412 AMAQI
5th Sep 2025413 AMAQI
5th Sep 2025384 AMAQI
5th Sep 2025355 AMAQI

27°C20/34°C

5th Sep 2025366 AMAQI
5th Sep 2025387 AMAQI
5th Sep 2025398 AMAQI
5th Sep 2025429 AMAQI
5th Sep 20254210 AMAQI
5th Sep 20254411 AMAQI
5th Sep 20254612 PMAQI
5th Sep 2025481 PMAQI
5th Sep 2025402 PMAQI
5th Sep 2025423 PMAQI
5th Sep 2025484 PMAQI
5th Sep 2025545 PMAQI
5th Sep 2025526 PMAQI
5th Sep 2025417 PMAQI
5th Sep 2025528 PMAQI
5th Sep 2025489 PMAQI
5th Sep 20253910 PMAQI
5th Sep 20253411 PMAQI
6th Sep 20253212 AMAQI
6th Sep 2025321 AMAQI
6th Sep 2025332 AMAQI
6th Sep 2025323 AMAQI
6th Sep 2025344 AMAQI
6th Sep 2025375 AMAQI

27°C23/32°C

6th Sep 2025386 AMAQI
6th Sep 2025377 AMAQI
6th Sep 2025348 AMAQI
6th Sep 2025369 AMAQI
6th Sep 20253910 AMAQI
6th Sep 20253511 AMAQI
6th Sep 20253212 PMAQI
6th Sep 2025321 PMAQI
6th Sep 2025382 PMAQI
6th Sep 2025393 PMAQI
6th Sep 2025424 PMAQI
6th Sep 2025425 PMAQI
6th Sep 2025426 PMAQI
6th Sep 2025367 PMAQI
6th Sep 2025378 PMAQI
6th Sep 2025409 PMAQI
6th Sep 20254110 PMAQI
6th Sep 20254411 PMAQI
7th Sep 20254412 AMAQI
7th Sep 2025461 AMAQI
7th Sep 2025492 AMAQI
7th Sep 2025533 AMAQI
7th Sep 2025524 AMAQI
7th Sep 2025535 AMAQI

28°C24/34°C

7th Sep 2025536 AMAQI
7th Sep 2025527 AMAQI
7th Sep 2025528 AMAQI
7th Sep 2025539 AMAQI
7th Sep 20255210 AMAQI
7th Sep 20255111 AMAQI
7th Sep 20255112 PMAQI
7th Sep 2025461 PMAQI
7th Sep 2025462 PMAQI
7th Sep 2025483 PMAQI
7th Sep 2025514 PMAQI
7th Sep 2025525 PMAQI
7th Sep 2025526 PMAQI
7th Sep 2025517 PMAQI
7th Sep 2025518 PMAQI
7th Sep 2025509 PMAQI
7th Sep 20255110 PMAQI
7th Sep 20254611 PMAQI
8th Sep 20254712 AMAQI
8th Sep 2025481 AMAQI
8th Sep 2025472 AMAQI
8th Sep 2025483 AMAQI
8th Sep 2025504 AMAQI
8th Sep 2025495 AMAQI

25°C20/33°C

8th Sep 2025506 AMAQI
8th Sep 2025527 AMAQI
8th Sep 2025508 AMAQI
8th Sep 2025499 AMAQI
8th Sep 20254810 AMAQI
8th Sep 20255211 AMAQI
8th Sep 20255212 PMAQI
8th Sep 2025511 PMAQI
8th Sep 2025512 PMAQI
8th Sep 2025513 PMAQI
8th Sep 2025514 PMAQI
8th Sep 2025535 PMAQI
8th Sep 2025546 PMAQI
8th Sep 2025487 PMAQI
8th Sep 2025508 PMAQI
8th Sep 2025539 PMAQI
8th Sep 20255510 PMAQI
8th Sep 20255411 PMAQI
9th Sep 20255312 AMAQI
9th Sep 2025541 AMAQI
9th Sep 2025522 AMAQI
9th Sep 2025533 AMAQI
9th Sep 2025524 AMAQI
9th Sep 2025505 AMAQI

24°C19/32°C

9th Sep 2025516 AMAQI
9th Sep 2025517 AMAQI
9th Sep 2025528 AMAQI
9th Sep 2025549 AMAQI
9th Sep 20255510 AMAQI
9th Sep 20255611 AMAQI
9th Sep 20255712 PMAQI
9th Sep 2025551 PMAQI
9th Sep 2025562 PMAQI
9th Sep 2025543 PMAQI
9th Sep 2025554 PMAQI
9th Sep 2025535 PMAQI
9th Sep 2025526 PMAQI
9th Sep 2025527 PMAQI
9th Sep 2025528 PMAQI
9th Sep 2025509 PMAQI
9th Sep 20255110 PMAQI
9th Sep 20255411 PMAQI
10th Sep 20255312 AMAQI
10th Sep 2025521 AMAQI
10th Sep 2025502 AMAQI
10th Sep 2025473 AMAQI
10th Sep 2025454 AMAQI
10th Sep 2025415 AMAQI

24°C13/34°C

10th Sep 2025436 AMAQI
10th Sep 2025467 AMAQI
10th Sep 2025518 AMAQI
10th Sep 2025529 AMAQI
10th Sep 20255510 AMAQI
10th Sep 20255411 AMAQI
10th Sep 20255412 PMAQI
10th Sep 2025541 PMAQI
10th Sep 2025512 PMAQI
10th Sep 2025493 PMAQI
10th Sep 2025504 PMAQI
10th Sep 2025525 PMAQI
10th Sep 2025536 PMAQI
10th Sep 2025527 PMAQI
10th Sep 2025548 PMAQI
10th Sep 2025569 PMAQI
10th Sep 20255710 PMAQI
10th Sep 20255311 PMAQI
11th Sep 20255212 AMAQI
11th Sep 2025531 AMAQI
11th Sep 2025512 AMAQI
11th Sep 2025523 AMAQI
11th Sep 2025534 AMAQI
11th Sep 2025535 AMAQI

27°C20/34°C

11th Sep 2025526 AMAQI
11th Sep 2025537 AMAQI
11th Sep 2025538 AMAQI
11th Sep 2025549 AMAQI
11th Sep 20255410 AMAQI
11th Sep 20255211 AMAQI
11th Sep 20255212 PMAQI
11th Sep 2025541 PMAQI
11th Sep 2025562 PMAQI
11th Sep 2025573 PMAQI
11th Sep 2025584 PMAQI
11th Sep 2025605 PMAQI
11th Sep 2025606 PMAQI
11th Sep 2025547 PMAQI
11th Sep 2025568 PMAQI
11th Sep 2025589 PMAQI
11th Sep 20255710 PMAQI
11th Sep 20255811 PMAQI
12th Sep 20255712 AMAQI
12th Sep 2025561 AMAQI
12th Sep 2025562 AMAQI
12th Sep 2025563 AMAQI
12th Sep 2025564 AMAQI
12th Sep 2025575 AMAQI

28°C21/36°C

12th Sep 2025586 AMAQI
12th Sep 2025607 AMAQI
12th Sep 2025608 AMAQI
12th Sep 2025619 AMAQI
12th Sep 20256210 AMAQI
12th Sep 20256411 AMAQI
12th Sep 20256412 PMAQI
12th Sep 2025641 PMAQI
12th Sep 2025642 PMAQI
12th Sep 2025643 PMAQI
12th Sep 2025624 PMAQI
12th Sep 2025625 PMAQI
12th Sep 2025636 PMAQI
12th Sep 2025617 PMAQI
12th Sep 2025608 PMAQI
12th Sep 2025609 PMAQI
12th Sep 20256110 PMAQI
12th Sep 20256011 PMAQI
13th Sep 20256112 AMAQI
13th Sep 2025601 AMAQI
13th Sep 2025602 AMAQI
13th Sep 2025583 AMAQI
13th Sep 2025544 AMAQI
13th Sep 2025565 AMAQI

28°C18/37°C

13th Sep 2025586 AMAQI
13th Sep 2025607 AMAQI
13th Sep 2025608 AMAQI
13th Sep 2025629 AMAQI
13th Sep 20256310 AMAQI
13th Sep 20256411 AMAQI
13th Sep 20256312 PMAQI
13th Sep 2025641 PMAQI
13th Sep 2025642 PMAQI
13th Sep 2025643 PMAQI
13th Sep 2025644 PMAQI
13th Sep 2025635 PMAQI
13th Sep 2025636 PMAQI
13th Sep 2025627 PMAQI
13th Sep 2025608 PMAQI
13th Sep 2025619 PMAQI
13th Sep 20255910 PMAQI
13th Sep 20255811 PMAQI
14th Sep 20255812 AMAQI
14th Sep 2025601 AMAQI
14th Sep 2025602 AMAQI
14th Sep 2025603 AMAQI
14th Sep 2025594 AMAQI
14th Sep 2025605 AMAQI

28°C20/37°C

14th Sep 2025606 AMAQI
14th Sep 2025597 AMAQI
14th Sep 2025598 AMAQI
14th Sep 2025619 AMAQI
14th Sep 20256310 AMAQI
14th Sep 20256111 AMAQI
14th Sep 20255912 PMAQI
14th Sep 2025581 PMAQI
14th Sep 2025582 PMAQI
14th Sep 2025593 PMAQI
14th Sep 2025584 PMAQI
14th Sep 2025575 PMAQI
14th Sep 2025566 PMAQI
14th Sep 2025597 PMAQI
14th Sep 2025578 PMAQI
14th Sep 2025559 PMAQI
14th Sep 20255610 PMAQI
14th Sep 20255611 PMAQI
15th Sep 20255812 AMAQI
15th Sep 2025581 AMAQI
15th Sep 2025572 AMAQI
15th Sep 2025573 AMAQI
15th Sep 2025564 AMAQI
15th Sep 2025605 AMAQI

26°C19/35°C

15th Sep 2025606 AMAQI
15th Sep 2025577 AMAQI
15th Sep 2025508 AMAQI
15th Sep 2025649 AMAQI
15th Sep 20256010 AMAQI
15th Sep 20255911 AMAQI
15th Sep 20255612 PMAQI
15th Sep 2025551 PMAQI
15th Sep 2025552 PMAQI
15th Sep 2025563 PMAQI
15th Sep 2025574 PMAQI
15th Sep 2025565 PMAQI
15th Sep 2025566 PMAQI
15th Sep 2025567 PMAQI
15th Sep 2025578 PMAQI
15th Sep 2025569 PMAQI
15th Sep 20255610 PMAQI
15th Sep 20255811 PMAQI
16th Sep 20255812 AMAQI
16th Sep 2025581 AMAQI
16th Sep 2025592 AMAQI
16th Sep 2025563 AMAQI
16th Sep 2025554 AMAQI
16th Sep 2025565 AMAQI

27°C20/34°C

16th Sep 2025566 AMAQI
16th Sep 2025577 AMAQI
16th Sep 2025588 AMAQI
16th Sep 2025569 AMAQI
16th Sep 20255410 AMAQI
16th Sep 20255311 AMAQI
16th Sep 20255512 PMAQI
16th Sep 2025551 PMAQI
16th Sep 2025582 PMAQI
16th Sep 2025583 PMAQI
16th Sep 2025584 PMAQI
16th Sep 2025595 PMAQI
16th Sep 2025586 PMAQI
16th Sep 2025587 PMAQI
16th Sep 2025588 PMAQI
16th Sep 2025579 PMAQI
16th Sep 20255810 PMAQI
16th Sep 20255711 PMAQI
17th Sep 20255812 AMAQI
17th Sep 2025571 AMAQI
17th Sep 2025562 AMAQI
17th Sep 2025563 AMAQI
17th Sep 2025574 AMAQI
17th Sep 2025585 AMAQI

27°C21/37°C

17th Sep 2025586 AMAQI
17th Sep 2025587 AMAQI
17th Sep 2025558 AMAQI
17th Sep 2025569 AMAQI
17th Sep 20255810 AMAQI
17th Sep 20255711 AMAQI
17th Sep 20255612 PMAQI
17th Sep 2025571 PMAQI
17th Sep 2025592 PMAQI
17th Sep 2025573 PMAQI
17th Sep 2025584 PMAQI
17th Sep 2025575 PMAQI
17th Sep 2025576 PMAQI
17th Sep 2025577 PMAQI
17th Sep 2025578 PMAQI
17th Sep 2025569 PMAQI
17th Sep 20255610 PMAQI
17th Sep 20255611 PMAQI
18th Sep 20255512 AMAQI
18th Sep 2025531 AMAQI
18th Sep 2025462 AMAQI
18th Sep 2025423 AMAQI
18th Sep 2025384 AMAQI
18th Sep 2025355 AMAQI

26°C21/35°C

18th Sep 2025456 AMAQI
18th Sep 2025467 AMAQI
18th Sep 2025488 AMAQI
18th Sep 2025529 AMAQI
18th Sep 20255610 AMAQI
18th Sep 20255011 AMAQI
18th Sep 20254512 PMAQI
18th Sep 2025461 PMAQI
18th Sep 2025472 PMAQI
18th Sep 2025483 PMAQI
18th Sep 2025484 PMAQI
18th Sep 2025495 PMAQI
18th Sep 2025486 PMAQI
18th Sep 2025477 PMAQI
18th Sep 2025478 PMAQI
18th Sep 2025489 PMAQI
18th Sep 20254710 PMAQI
18th Sep 20254611 PMAQI
19th Sep 20254812 AMAQI
19th Sep 2025481 AMAQI
19th Sep 2025382 AMAQI
19th Sep 2025363 AMAQI
19th Sep 2025364 AMAQI
19th Sep 2025435 AMAQI

27°C19/35°C

19th Sep 2025456 AMAQI
19th Sep 2025457 AMAQI
19th Sep 2025448 AMAQI
19th Sep 2025539 AMAQI
19th Sep 20255110 AMAQI
19th Sep 20254311 AMAQI
19th Sep 20253812 PMAQI
19th Sep 2025381 PMAQI
19th Sep 2025422 PMAQI
19th Sep 2025453 PMAQI
19th Sep 2025454 PMAQI
19th Sep 2025445 PMAQI
19th Sep 2025416 PMAQI
19th Sep 2025417 PMAQI
19th Sep 2025418 PMAQI
19th Sep 2025449 PMAQI
19th Sep 20254310 PMAQI
19th Sep 20254511 PMAQI
20th Sep 20254312 AMAQI
20th Sep 2025411 AMAQI
20th Sep 2025272 AMAQI
20th Sep 2025263 AMAQI
20th Sep 2025274 AMAQI
20th Sep 2025265 AMAQI

26°C19/36°C

20th Sep 2025306 AMAQI
20th Sep 2025337 AMAQI
20th Sep 2025358 AMAQI
20th Sep 2025439 AMAQI
20th Sep 20254010 AMAQI
20th Sep 20253811 AMAQI
20th Sep 20253412 PMAQI
20th Sep 2025341 PMAQI
20th Sep 2025362 PMAQI
20th Sep 2025383 PMAQI
20th Sep 2025394 PMAQI
20th Sep 2025395 PMAQI
20th Sep 2025406 PMAQI
20th Sep 2025377 PMAQI
20th Sep 2025368 PMAQI
20th Sep 2025389 PMAQI
20th Sep 20253910 PMAQI
20th Sep 20254011 PMAQI
21st Sep 20254012 AMAQI
21st Sep 2025381 AMAQI
21st Sep 2025392 AMAQI
21st Sep 2025363 AMAQI
21st Sep 2025354 AMAQI
21st Sep 2025285 AMAQI

26°C20/35°C

21st Sep 2025346 AMAQI
21st Sep 2025327 AMAQI
21st Sep 2025368 AMAQI
21st Sep 2025369 AMAQI
21st Sep 20254010 AMAQI
21st Sep 20254711 AMAQI
21st Sep 20254412 PMAQI
21st Sep 2025391 PMAQI
21st Sep 2025382 PMAQI
21st Sep 2025393 PMAQI
21st Sep 2025384 PMAQI
21st Sep 2025415 PMAQI
21st Sep 2025436 PMAQI
21st Sep 2025427 PMAQI
21st Sep 2025428 PMAQI
21st Sep 2025429 PMAQI
21st Sep 20254110 PMAQI
21st Sep 20254011 PMAQI
22nd Sep 20254012 AMAQI
22nd Sep 2025341 AMAQI
22nd Sep 2025282 AMAQI
22nd Sep 2025283 AMAQI
22nd Sep 2025304 AMAQI
22nd Sep 2025315 AMAQI

27°C22/36°C

22nd Sep 2025336 AMAQI
22nd Sep 2025347 AMAQI
22nd Sep 2025368 AMAQI
22nd Sep 2025399 AMAQI
22nd Sep 20254410 AMAQI
22nd Sep 20254211 AMAQI
22nd Sep 20254012 PMAQI
22nd Sep 2025371 PMAQI
22nd Sep 2025382 PMAQI
22nd Sep 2025383 PMAQI
22nd Sep 2025364 PMAQI
22nd Sep 2025335 PMAQI
22nd Sep 2025346 PMAQI
22nd Sep 2025327 PMAQI
22nd Sep 2025328 PMAQI
22nd Sep 2025319 PMAQI
22nd Sep 20253310 PMAQI
22nd Sep 20253211 PMAQI
23rd Sep 20253212 AMAQI
23rd Sep 2025311 AMAQI
23rd Sep 2025262 AMAQI
23rd Sep 2025233 AMAQI
23rd Sep 2025194 AMAQI
23rd Sep 2025185 AMAQI

26°C22/34°C

23rd Sep 2025226 AMAQI
23rd Sep 2025237 AMAQI
23rd Sep 2025248 AMAQI
23rd Sep 2025279 AMAQI
23rd Sep 20252910 AMAQI
23rd Sep 20252811 AMAQI
23rd Sep 20252612 PMAQI
23rd Sep 2025231 PMAQI
23rd Sep 2025232 PMAQI
23rd Sep 2025253 PMAQI
23rd Sep 2025254 PMAQI
23rd Sep 2025265 PMAQI
23rd Sep 2025276 PMAQI
23rd Sep 2025267 PMAQI
23rd Sep 2025268 PMAQI
23rd Sep 2025259 PMAQI
23rd Sep 20252610 PMAQI
23rd Sep 20252611 PMAQI
24th Sep 20252512 AMAQI
24th Sep 2025241 AMAQI
24th Sep 2025192 AMAQI
24th Sep 2025183 AMAQI
24th Sep 2025224 AMAQI
24th Sep 2025265 AMAQI

28°C23/36°C

24th Sep 2025166 AMAQI
24th Sep 2025197 AMAQI
24th Sep 2025188 AMAQI
24th Sep 2025189 AMAQI
24th Sep 20251710 AMAQI
24th Sep 20251911 AMAQI
24th Sep 20251912 PMAQI
24th Sep 2025171 PMAQI
24th Sep 2025182 PMAQI
24th Sep 2025223 PMAQI
24th Sep 2025224 PMAQI
24th Sep 2025225 PMAQI
24th Sep 2025236 PMAQI
24th Sep 2025217 PMAQI
24th Sep 2025218 PMAQI
24th Sep 2025239 PMAQI
24th Sep 20252210 PMAQI
24th Sep 20252211 PMAQI
25th Sep 20251512 AMAQI
25th Sep 202581 AMAQI
25th Sep 202592 AMAQI
25th Sep 2025153 AMAQI
25th Sep 2025144 AMAQI
25th Sep 2025115 AMAQI

27°C24/32°C

25th Sep 2025196 AMAQI
25th Sep 202567 AMAQI
25th Sep 2025108 AMAQI
25th Sep 2025119 AMAQI
25th Sep 20251110 AMAQI
25th Sep 20251411 AMAQI
25th Sep 20252012 PMAQI
25th Sep 2025321 PMAQI
25th Sep 2025272 PMAQI
25th Sep 2025283 PMAQI
25th Sep 2025304 PMAQI
25th Sep 2025335 PMAQI
25th Sep 2025356 PMAQI
25th Sep 2025417 PMAQI
25th Sep 2025358 PMAQI
25th Sep 2025329 PMAQI
25th Sep 20253410 PMAQI
25th Sep 20253111 PMAQI
26th Sep 20255412 AMAQI
26th Sep 2025471 AMAQI
26th Sep 2025402 AMAQI
26th Sep 2025383 AMAQI
26th Sep 2025344 AMAQI
26th Sep 2025275 AMAQI

26°C23/33°C

26th Sep 2025266 AMAQI
26th Sep 2025347 AMAQI
26th Sep 2025358 AMAQI
26th Sep 2025279 AMAQI
26th Sep 20254810 AMAQI
26th Sep 20253711 AMAQI
26th Sep 20252812 PMAQI
26th Sep 2025321 PMAQI
26th Sep 2025382 PMAQI
26th Sep 2025383 PMAQI
26th Sep 2025384 PMAQI
26th Sep 2025385 PMAQI
26th Sep 2025376 PMAQI
26th Sep 2025357 PMAQI
26th Sep 2025338 PMAQI
26th Sep 2025279 PMAQI
26th Sep 20252110 PMAQI
26th Sep 20252211 PMAQI
27th Sep 20252212 AMAQI
27th Sep 2025221 AMAQI
27th Sep 2025242 AMAQI
27th Sep 2025313 AMAQI
27th Sep 2025334 AMAQI
27th Sep 2025305 AMAQI

25°C19/32°C

27th Sep 2025286 AMAQI
27th Sep 2025287 AMAQI
27th Sep 2025248 AMAQI
27th Sep 2025269 AMAQI
27th Sep 20254810 AMAQI
27th Sep 20254611 AMAQI
27th Sep 20253412 PMAQI
27th Sep 2025311 PMAQI
27th Sep 2025282 PMAQI
27th Sep 2025303 PMAQI
27th Sep 2025324 PMAQI
27th Sep 2025375 PMAQI
27th Sep 2025376 PMAQI
27th Sep 2025407 PMAQI
27th Sep 2025358 PMAQI
27th Sep 2025339 PMAQI
27th Sep 20252910 PMAQI
27th Sep 20252411 PMAQI
28th Sep 20253112 AMAQI
28th Sep 2025291 AMAQI
28th Sep 2025232 AMAQI
28th Sep 2025283 AMAQI
28th Sep 2025334 AMAQI
28th Sep 2025275 AMAQI

25°C18/33°C

28th Sep 2025246 AMAQI
28th Sep 2025317 AMAQI
28th Sep 2025338 AMAQI
28th Sep 2025339 AMAQI
28th Sep 20253510 AMAQI
28th Sep 20253911 AMAQI
28th Sep 20254312 PMAQI
28th Sep 2025421 PMAQI
28th Sep 2025412 PMAQI
28th Sep 2025413 PMAQI
28th Sep 2025364 PMAQI
28th Sep 2025395 PMAQI
28th Sep 2025416 PMAQI
28th Sep 2025427 PMAQI
28th Sep 2025418 PMAQI
28th Sep 2025429 PMAQI
28th Sep 20253810 PMAQI
28th Sep 20252811 PMAQI
29th Sep 20253112 AMAQI
29th Sep 2025341 AMAQI
29th Sep 2025442 AMAQI
29th Sep 2025463 AMAQI
29th Sep 2025474 AMAQI
29th Sep 2025505 AMAQI

25°C17/34°C

29th Sep 2025486 AMAQI
29th Sep 2025447 AMAQI
29th Sep 2025278 AMAQI
29th Sep 2025179 AMAQI
29th Sep 20251210 AMAQI
29th Sep 20251611 AMAQI
29th Sep 20251212 PMAQI
29th Sep 2025151 PMAQI
29th Sep 2025252 PMAQI
29th Sep 2025193 PMAQI
29th Sep 2025154 PMAQI
29th Sep 2025125 PMAQI
29th Sep 2025116 PMAQI
29th Sep 2025147 PMAQI
29th Sep 2025158 PMAQI
29th Sep 2025179 PMAQI
29th Sep 20251510 PMAQI
29th Sep 20251911 PMAQI
30th Sep 20252212 AMAQI
30th Sep 2025231 AMAQI
30th Sep 2025162 AMAQI
30th Sep 2025183 AMAQI
30th Sep 2025224 AMAQI
30th Sep 2025315 AMAQI

26°C19/36°C

30th Sep 2025226 AMAQI
30th Sep 2025207 AMAQI
30th Sep 2025198 AMAQI
30th Sep 2025149 AMAQI
30th Sep 20251710 AMAQI
30th Sep 20252211 AMAQI
30th Sep 20252112 PMAQI
30th Sep 2025231 PMAQI
30th Sep 2025462 PMAQI
30th Sep 2025373 PMAQI
30th Sep 2025204 PMAQI
30th Sep 2025205 PMAQI
30th Sep 2025186 PMAQI
30th Sep 2025237 PMAQI
30th Sep 2025228 PMAQI
30th Sep 2025249 PMAQI
30th Sep 20254110 PMAQI
30th Sep 20255311 PMAQI
1st Oct 20255212 AMAQI
1st Oct 2025511 AMAQI
1st Oct 2025542 AMAQI
1st Oct 2025563 AMAQI
1st Oct 2025644 AMAQI
1st Oct 2025705 AMAQI

27°C20/35°C

1st Oct 2025646 AMAQI
1st Oct 2025627 AMAQI
1st Oct 2025608 AMAQI
1st Oct 2025719 AMAQI
1st Oct 20257410 AMAQI
1st Oct 20256911 AMAQI
1st Oct 20256312 PMAQI
1st Oct 2025581 PMAQI
1st Oct 2025612 PMAQI
1st Oct 2025603 PMAQI
1st Oct 2025584 PMAQI
1st Oct 2025575 PMAQI
1st Oct 2025556 PMAQI
1st Oct 2025547 PMAQI
1st Oct 2025558 PMAQI
1st Oct 2025569 PMAQI
1st Oct 20255910 PMAQI
1st Oct 20256311 PMAQI
2nd Oct 20256712 AMAQI
2nd Oct 2025631 AMAQI
2nd Oct 2025662 AMAQI
2nd Oct 2025723 AMAQI
2nd Oct 2025764 AMAQI
2nd Oct 2025795 AMAQI

26°C19/34°C

2nd Oct 2025706 AMAQI
2nd Oct 2025687 AMAQI
2nd Oct 2025688 AMAQI
2nd Oct 2025629 AMAQI
2nd Oct 20255110 AMAQI
2nd Oct 20255111 AMAQI
2nd Oct 20255312 PMAQI
2nd Oct 2025541 PMAQI
2nd Oct 2025572 PMAQI
2nd Oct 2025583 PMAQI
2nd Oct 2025554 PMAQI
2nd Oct 2025545 PMAQI
2nd Oct 2025566 PMAQI
2nd Oct 2025557 PMAQI
2nd Oct 2025548 PMAQI
2nd Oct 2025559 PMAQI
2nd Oct 20255410 PMAQI
2nd Oct 20255611 PMAQI
3rd Oct 20255612 AMAQI
3rd Oct 2025571 AMAQI
3rd Oct 2025572 AMAQI
3rd Oct 2025613 AMAQI
3rd Oct 2025644 AMAQI
3rd Oct 2025675 AMAQI

27°C21/35°C

3rd Oct 2025586 AMAQI
6 AM
3rd Oct 2025667 AMAQI
3rd Oct 2025718 AMAQI
3rd Oct 2025689 AMAQI
3rd Oct 20257010 AMAQI
3rd Oct 20256011 AMAQI
3rd Oct 20255812 PMAQI
12 PM
3rd Oct 2025631 PMAQI
3rd Oct 2025602 PMAQI
3rd Oct 2025683 PMAQI
7 PM
12 AM
5 AM

--°C/°C

Day time
Avg. Highest Time
6 AM - 6 PM

45AQI

13 hours / Day
390 hours / Month
Avg. Lowest Time
6 AM - 7 PM

45AQI

14 hours / Day
420 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 6 AM to 6 PM (Avg. 45), while the lowest AQI was between 6 AM to 7 PM (Avg. 45).
Night time
Avg. Highest Time
12 AM - 1 AM

45AQI

2 hours / Day
60 hours / Month
Avg. Lowest Time
2 AM - 11 PM

44AQI

8 hours / Day
240 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 12 AM to 1 AM (Avg. 45), while the lowest AQI was between 2 AM to 11 PM (Avg. 44).

2025 Days Vs Air Quality

Lafayette Usgs Site, Lafayette, Louisiana, United States

2025

88%

241

12%

34

Total number of days with different AQI categories in last 276 days in 2025 (89 days remaining)

Good
241 Days
Moderate
34 Days
Poor
0 Days
Unhealthy
0 Days
Severe
0 Days
Hazardous
0 Days

Under WHO’s Safe Air Quality Limits: 88%

Health Risk Level:

Low

In 2025, 88% of 276 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

Lafayette Usgs Site, Lafayette, Louisiana, 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
40AQI
2nd January 2025
47AQI
3rd January 2025
40AQI
4th January 2025
34AQI
5th January 2025
26AQI
6th January 2025
24AQI
7th January 2025
23AQI
8th January 2025
29AQI
9th January 2025
30AQI
10th January 2025
22AQI
11th January 2025
36AQI
12th January 2025
36AQI
13th January 2025
25AQI
14th January 2025
26AQI
15th January 2025
28AQI
16th January 2025
40AQI
17th January 2025
43AQI
18th January 2025
39AQI
19th January 2025
32AQI
20th January 2025
27AQI
21st January 2025
29AQI
22nd January 2025
48AQI
23rd January 2025
50AQI
24th January 2025
40AQI
25th January 2025
37AQI
26th January 2025
29AQI
27th January 2025
23AQI
28th January 2025
41AQI
29th January 2025
41AQI
30th January 2025
26AQI
31st January 2025
30AQI
1st February 2025
34AQI
2nd February 2025
40AQI
3rd February 2025
48AQI
4th February 2025
27AQI
5th February 2025
32AQI
6th February 2025
25AQI
7th February 2025
28AQI
8th February 2025
29AQI
9th February 2025
26AQI
10th February 2025
46AQI
11th February 2025
36AQI
12th February 2025
30AQI
13th February 2025
23AQI
14th February 2025
34AQI
15th February 2025
37AQI
16th February 2025
30AQI
17th February 2025
36AQI
18th February 2025
37AQI
19th February 2025
27AQI
20th February 2025
30AQI
21st February 2025
26AQI
22nd February 2025
30AQI
23rd February 2025
40AQI
24th February 2025
23AQI
25th February 2025
27AQI
26th February 2025
27AQI
27th February 2025
40AQI
28th February 2025
38AQI
1st March 2025
39AQI
2nd March 2025
36AQI
3rd March 2025
34AQI
4th March 2025
35AQI
5th March 2025
40AQI
6th March 2025
31AQI
7th March 2025
30AQI
8th March 2025
28AQI
9th March 2025
34AQI
10th March 2025
40AQI
11th March 2025
43AQI
12th March 2025
36AQI
13th March 2025
43AQI
14th March 2025
50AQI
15th March 2025
67AQI
16th March 2025
37AQI
17th March 2025
30AQI
18th March 2025
20AQI
19th March 2025
27AQI
20th March 2025
32AQI
21st March 2025
31AQI
22nd March 2025
30AQI
23rd March 2025
31AQI
24th March 2025
28AQI
25th March 2025
31AQI
26th March 2025
46AQI
27th March 2025
41AQI
28th March 2025
42AQI
29th March 2025
27AQI
30th March 2025
36AQI
31st March 2025
39AQI
1st April 2025
55AQI
2nd April 2025
40AQI
3rd April 2025
48AQI
4th April 2025
53AQI
5th April 2025
49AQI
6th April 2025
28AQI
7th April 2025
19AQI
8th April 2025
37AQI
9th April 2025
37AQI
10th April 2025
28AQI
11th April 2025
31AQI
12th April 2025
41AQI
13th April 2025
39AQI
14th April 2025
29AQI
15th April 2025
30AQI
16th April 2025
38AQI
17th April 2025
41AQI
18th April 2025
36AQI
19th April 2025
46AQI
20th April 2025
47AQI
21st April 2025
45AQI
22nd April 2025
39AQI
23rd April 2025
41AQI
24th April 2025
41AQI
25th April 2025
45AQI
26th April 2025
39AQI
27th April 2025
39AQI
28th April 2025
29AQI
29th April 2025
34AQI
30th April 2025
45AQI
1st May 2025
37AQI
2nd May 2025
35AQI
3rd May 2025
28AQI
4th May 2025
30AQI
5th May 2025
31AQI
6th May 2025
38AQI
7th May 2025
28AQI
8th May 2025
37AQI
9th May 2025
35AQI
10th May 2025
30AQI
11th May 2025
30AQI
12th May 2025
22AQI
13th May 2025
31AQI
14th May 2025
36AQI
15th May 2025
40AQI
16th May 2025
38AQI
17th May 2025
42AQI
18th May 2025
37AQI
19th May 2025
43AQI
20th May 2025
42AQI
21st May 2025
38AQI
22nd May 2025
47AQI
23rd May 2025
35AQI
24th May 2025
39AQI
25th May 2025
47AQI
26th May 2025
37AQI
27th May 2025
30AQI
28th May 2025
35AQI
29th May 2025
32AQI
30th May 2025
35AQI
31st May 2025
30AQI
1st June 2025
47AQI
2nd June 2025
48AQI
3rd June 2025
43AQI
4th June 2025
40AQI
5th June 2025
39AQI
6th June 2025
42AQI
7th June 2025
66AQI
8th June 2025
48AQI
9th June 2025
44AQI
10th June 2025
51AQI
11th June 2025
27AQI
12th June 2025
26AQI
13th June 2025
26AQI
14th June 2025
42AQI
15th June 2025
33AQI
16th June 2025
29AQI
17th June 2025
35AQI
18th June 2025
38AQI
19th June 2025
41AQI
20th June 2025
46AQI
21st June 2025
45AQI
22nd June 2025
45AQI
23rd June 2025
39AQI
24th June 2025
35AQI
25th June 2025
24AQI
26th June 2025
30AQI
27th June 2025
34AQI
28th June 2025
36AQI
29th June 2025
33AQI
30th June 2025
48AQI
1st July 2025
60AQI
2nd July 2025
68AQI
3rd July 2025
65AQI
4th July 2025
55AQI
5th July 2025
68AQI
6th July 2025
57AQI
7th July 2025
48AQI
8th July 2025
39AQI
9th July 2025
35AQI
10th July 2025
30AQI
11th July 2025
39AQI
12th July 2025
42AQI
13th July 2025
32AQI
14th July 2025
26AQI
15th July 2025
29AQI
16th July 2025
41AQI
17th July 2025
49AQI
18th July 2025
34AQI
19th July 2025
30AQI
20th July 2025
36AQI
21st July 2025
27AQI
22nd July 2025
25AQI
23rd July 2025
23AQI
24th July 2025
26AQI
25th July 2025
24AQI
26th July 2025
25AQI
27th July 2025
38AQI
28th July 2025
55AQI
29th July 2025
58AQI
30th July 2025
58AQI
31st July 2025
41AQI
1st August 2025
53AQI
2nd August 2025
48AQI
3rd August 2025
43AQI
4th August 2025
54AQI
5th August 2025
53AQI
6th August 2025
48AQI
7th August 2025
37AQI
8th August 2025
36AQI
9th August 2025
36AQI
10th August 2025
41AQI
11th August 2025
35AQI
12th August 2025
33AQI
13th August 2025
29AQI
14th August 2025
31AQI
15th August 2025
34AQI
16th August 2025
30AQI
17th August 2025
40AQI
18th August 2025
46AQI
19th August 2025
49AQI
20th August 2025
51AQI
21st August 2025
50AQI
22nd August 2025
47AQI
23rd August 2025
41AQI
24th August 2025
51AQI
25th August 2025
54AQI
26th August 2025
56AQI
27th August 2025
56AQI
28th August 2025
54AQI
29th August 2025
48AQI
30th August 2025
35AQI
31st August 2025
34AQI
1st September 2025
41AQI
2nd September 2025
44AQI
3rd September 2025
48AQI
4th September 2025
44AQI
5th September 2025
43AQI
6th September 2025
37AQI
7th September 2025
50AQI
8th September 2025
50AQI
9th September 2025
53AQI
10th September 2025
51AQI
11th September 2025
55AQI
12th September 2025
60AQI
13th September 2025
60AQI
14th September 2025
58AQI
15th September 2025
57AQI
16th September 2025
57AQI
17th September 2025
57AQI
18th September 2025
47AQI
19th September 2025
43AQI
20th September 2025
35AQI
21st September 2025
39AQI
22nd September 2025
34AQI
23rd September 2025
25AQI
24th September 2025
21AQI
25th September 2025
22AQI
26th September 2025
35AQI
27th September 2025
31AQI
28th September 2025
35AQI
29th September 2025
26AQI
30th September 2025
24AQI
1st October 2025
60AQI
2nd October 2025
61AQI
3rd October 2025
4th October 2025
5th October 2025
6th October 2025
7th October 2025
8th October 2025
9th October 2025
10th October 2025
11th October 2025
12th October 2025
13th October 2025
14th October 2025
15th October 2025
16th October 2025
17th October 2025
18th October 2025
19th October 2025
20th October 2025
21st October 2025
22nd October 2025
23rd October 2025
24th October 2025
25th October 2025
26th October 2025
27th October 2025
28th October 2025
29th October 2025
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

34AQI

32AQI

36AQI

39AQI

35AQI

39AQI

41AQI

44AQI

43AQI

61AQI

No. of days

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

202538AQI

31
28
30
1
28
2
31
28
2
22
9
22
9
21
9
2
241
34

Highest AQI recorded in

October

61AQI

Lowest AQI recorded in

February

32AQI

202441AQI

27
3
1
25
4
28
3
29
1
17
14
20
10
27
4
14
17
24
6
17
14
29
1
27
4
284
81
1

Highest AQI recorded in

August

51AQI

Lowest AQI recorded in

November

32AQI

202342AQI

28
3
23
1
4
25
3
1
1
1
25
1
1
3
27
4
29
1
30
1
30
1
25
5
26
5
21
8
24
7
313
39
3
1
8

Highest AQI recorded in

February

63AQI

Lowest AQI recorded in

June

31AQI

202241AQI

26
5
21
2
29
2
14
3
29
2
17
12
1
18
4
1
1
16
13
19
12
25
5
28
3
243
64
1

Highest AQI recorded in

August

52AQI

Lowest AQI recorded in

December

34AQI

202136AQI

23
6
27
1
29
2
28
2
29
2
30
25
6
23
8
25
5
27
4
21
9
29
2
316
47

Highest AQI recorded in

November

42AQI

Lowest AQI recorded in

June

28AQI

202043AQI

10
1
20
1
18
19
10
24
7
19
12
21
9
22
8
1
20
9
1
26
5
199
62
1
1

Highest AQI recorded in

October

55AQI

Lowest AQI recorded in

March

28AQI

Most & Least Polluted Years Over the Last 6 Years

Most Polluted Year Recorded
2020(Avg.)
43AQI
Least Polluted Year Recorded
2021(Avg.)
36AQI

Lafayette Usgs Site's annual 2025 AQI (38) shows an average percentage change of -5.5% (improved AQI) compared to previous years: 2020 (43), 2021 (36), 2022 (41), 2023 (42), 2024 (41).