Country Background
HistoryAQIPM2.5PM10COSO2NO2O3

Westlake Site, Sulphur, 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+

August Air Quality Analysis

Westlake Site, Sulphur, Louisiana, United States

2021
2022
2023
2024
2025
AQI
.
Days

AQI Trends: Highest and Lowest

Highest AQI recorded on
23rd Aug 2023
93AQI
Lowest AQI recorded on
31st Aug 2024
16AQI

Same Day Analysis (10th August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 4th highest AQI at 27 of Good air quality, showing improvement over 2024, 2023 and 2021 on the same day.

Download 2024 Annual Data

World Air Quality Report

Globe

Day & Night AQI Trend: 10th Aug - 11th Aug 2025

Westlake Site, Sulphur, Louisiana, United States

AQI
Day
Night
.

6 AM10th Aug 2025

8 PM

5 AM11th Aug 2025

Day time
Avg. Highest Time
8AM10th Aug

32AQI

Avg. Lowest Time
1PM10th Aug

24AQI

Night time
Avg. Highest Time
1AM11th Aug

38AQI

Avg. Lowest Time
10PM10th Aug

27AQI

In the last 24 hours,

Westlake Site's AQI reached its highest point of 38 at 1 AM during the Night, while the lowest point, 24, was recorded at 1 PM during the Day between 10th Aug and 11th Aug 2025.

Day & Night AQI Trend : Jul - Aug 2025

Westlake Site, Sulphur, Louisiana, United States

JulAug
12th - 13th13th - 14th14th - 15th15th - 16th16th - 17th17th - 18th18th - 19th19th - 20th20th - 21st21st - 22nd22nd - 23rd23rd - 24th24th - 25th25th - 26th26th - 27th27th - 28th28th - 29th29th - 30th30th - 31st31st - 01st01st - 02nd02nd - 03rd03rd - 04th04th - 05th05th - 06th06th - 07th07th - 08th08th - 09th09th - 10th10th - 11th11th
Day
Night
12th Jul 2025466 AMAQI
12th Jul 2025457 AMAQI
12th Jul 2025448 AMAQI
12th Jul 2025459 AMAQI
12th Jul 20254010 AMAQI
12th Jul 20254111 AMAQI
12th Jul 20253912 PMAQI
12th Jul 2025361 PMAQI
12th Jul 2025402 PMAQI
12th Jul 2025443 PMAQI
12th Jul 2025424 PMAQI
12th Jul 2025415 PMAQI
12th Jul 2025446 PMAQI
12th Jul 2025427 PMAQI
12th Jul 2025418 PMAQI
12th Jul 2025429 PMAQI
12th Jul 20254310 PMAQI
12th Jul 20254211 PMAQI
13th Jul 20254312 AMAQI
13th Jul 2025421 AMAQI
13th Jul 2025272 AMAQI
13th Jul 2025263 AMAQI
13th Jul 2025264 AMAQI
13th Jul 2025245 AMAQI

28°C24/35°C

13th Jul 2025276 AMAQI
13th Jul 2025307 AMAQI
13th Jul 2025298 AMAQI
13th Jul 2025309 AMAQI
13th Jul 20253210 AMAQI
13th Jul 20252911 AMAQI
13th Jul 20253012 PMAQI
13th Jul 2025281 PMAQI
13th Jul 2025312 PMAQI
13th Jul 2025323 PMAQI
13th Jul 2025314 PMAQI
13th Jul 2025305 PMAQI
13th Jul 2025326 PMAQI
13th Jul 2025317 PMAQI
13th Jul 2025328 PMAQI
13th Jul 2025309 PMAQI
13th Jul 20252910 PMAQI
13th Jul 20252911 PMAQI
14th Jul 20253012 AMAQI
14th Jul 2025291 AMAQI
14th Jul 2025282 AMAQI
14th Jul 2025263 AMAQI
14th Jul 2025294 AMAQI
14th Jul 2025305 AMAQI

28°C24/33°C

14th Jul 2025316 AMAQI
14th Jul 2025307 AMAQI
14th Jul 2025288 AMAQI
14th Jul 2025269 AMAQI
14th Jul 20252410 AMAQI
14th Jul 20252611 AMAQI
14th Jul 20252612 PMAQI
14th Jul 2025261 PMAQI
14th Jul 2025252 PMAQI
14th Jul 2025273 PMAQI
14th Jul 2025284 PMAQI
14th Jul 2025275 PMAQI
14th Jul 2025286 PMAQI
14th Jul 2025277 PMAQI
14th Jul 2025268 PMAQI
14th Jul 2025289 PMAQI
14th Jul 20252910 PMAQI
14th Jul 20253011 PMAQI
15th Jul 20253112 AMAQI
15th Jul 2025301 AMAQI
15th Jul 2025332 AMAQI
15th Jul 2025333 AMAQI
15th Jul 2025364 AMAQI
15th Jul 2025385 AMAQI

29°C24/33°C

15th Jul 2025396 AMAQI
15th Jul 2025377 AMAQI
15th Jul 2025388 AMAQI
15th Jul 2025349 AMAQI
15th Jul 20253710 AMAQI
15th Jul 20253611 AMAQI
15th Jul 20253512 PMAQI
15th Jul 2025351 PMAQI
15th Jul 2025372 PMAQI
15th Jul 2025363 PMAQI
15th Jul 2025374 PMAQI
15th Jul 2025405 PMAQI
15th Jul 2025376 PMAQI
15th Jul 2025367 PMAQI
15th Jul 2025368 PMAQI
15th Jul 2025369 PMAQI
15th Jul 20253610 PMAQI
15th Jul 20253611 PMAQI
16th Jul 20253612 AMAQI
16th Jul 2025381 AMAQI
16th Jul 2025382 AMAQI
16th Jul 2025423 AMAQI
16th Jul 2025434 AMAQI
16th Jul 2025435 AMAQI

29°C24/34°C

16th Jul 2025446 AMAQI
16th Jul 2025447 AMAQI
16th Jul 2025438 AMAQI
16th Jul 2025489 AMAQI
16th Jul 20255210 AMAQI
16th Jul 20255211 AMAQI
16th Jul 20254812 PMAQI
16th Jul 2025461 PMAQI
16th Jul 2025472 PMAQI
16th Jul 2025503 PMAQI
16th Jul 2025504 PMAQI
16th Jul 2025505 PMAQI
16th Jul 2025506 PMAQI
16th Jul 2025487 PMAQI
16th Jul 2025478 PMAQI
16th Jul 2025489 PMAQI
16th Jul 20254810 PMAQI
16th Jul 20254811 PMAQI
17th Jul 20254812 AMAQI
17th Jul 2025461 AMAQI
17th Jul 2025502 AMAQI
17th Jul 2025513 AMAQI
17th Jul 2025504 AMAQI
17th Jul 2025525 AMAQI

29°C24/35°C

17th Jul 2025526 AMAQI
17th Jul 2025527 AMAQI
17th Jul 2025528 AMAQI
17th Jul 2025519 AMAQI
17th Jul 20255210 AMAQI
17th Jul 20255211 AMAQI
17th Jul 20255212 PMAQI
17th Jul 2025521 PMAQI
17th Jul 2025522 PMAQI
17th Jul 2025523 PMAQI
17th Jul 2025524 PMAQI
17th Jul 2025525 PMAQI
17th Jul 2025526 PMAQI
17th Jul 2025527 PMAQI
17th Jul 2025528 PMAQI
17th Jul 2025519 PMAQI
17th Jul 20255110 PMAQI
17th Jul 20254611 PMAQI
18th Jul 20255012 AMAQI
18th Jul 2025501 AMAQI
18th Jul 2025472 AMAQI
18th Jul 2025523 AMAQI
18th Jul 2025494 AMAQI
18th Jul 2025525 AMAQI

28°C24/32°C

18th Jul 2025546 AMAQI
18th Jul 2025527 AMAQI
18th Jul 2025488 AMAQI
18th Jul 2025469 AMAQI
18th Jul 20254810 AMAQI
18th Jul 20254311 AMAQI
18th Jul 20254412 PMAQI
18th Jul 2025441 PMAQI
18th Jul 2025442 PMAQI
18th Jul 2025473 PMAQI
18th Jul 2025484 PMAQI
18th Jul 2025485 PMAQI
18th Jul 2025496 PMAQI
18th Jul 2025487 PMAQI
18th Jul 2025488 PMAQI
18th Jul 2025479 PMAQI
18th Jul 20254810 PMAQI
18th Jul 20254711 PMAQI
19th Jul 20254612 AMAQI
19th Jul 2025451 AMAQI
19th Jul 2025332 AMAQI
19th Jul 2025303 AMAQI
19th Jul 2025284 AMAQI
19th Jul 2025275 AMAQI

26°C24/29°C

19th Jul 2025316 AMAQI
19th Jul 2025347 AMAQI
19th Jul 2025328 AMAQI
19th Jul 2025289 AMAQI
19th Jul 20252910 AMAQI
19th Jul 20253111 AMAQI
19th Jul 20253212 PMAQI
19th Jul 2025321 PMAQI
19th Jul 2025332 PMAQI
19th Jul 2025353 PMAQI
19th Jul 2025344 PMAQI
19th Jul 2025375 PMAQI
19th Jul 2025376 PMAQI
19th Jul 2025387 PMAQI
19th Jul 2025388 PMAQI
19th Jul 2025399 PMAQI
19th Jul 20253810 PMAQI
19th Jul 20253811 PMAQI
20th Jul 20253812 AMAQI
20th Jul 2025381 AMAQI
20th Jul 2025402 AMAQI
20th Jul 2025383 AMAQI
20th Jul 2025384 AMAQI
20th Jul 2025405 AMAQI

29°C25/33°C

20th Jul 2025396 AMAQI
20th Jul 2025387 AMAQI
20th Jul 2025378 AMAQI
20th Jul 2025409 AMAQI
20th Jul 20254210 AMAQI
20th Jul 20254211 AMAQI
20th Jul 20254012 PMAQI
20th Jul 2025401 PMAQI
20th Jul 2025382 PMAQI
20th Jul 2025403 PMAQI
20th Jul 2025394 PMAQI
20th Jul 2025405 PMAQI
20th Jul 2025396 PMAQI
20th Jul 2025417 PMAQI
20th Jul 2025418 PMAQI
20th Jul 2025409 PMAQI
20th Jul 20254010 PMAQI
20th Jul 20253911 PMAQI
21st Jul 20254012 AMAQI
21st Jul 2025391 AMAQI
21st Jul 2025352 AMAQI
21st Jul 2025343 AMAQI
21st Jul 2025344 AMAQI
21st Jul 2025325 AMAQI

29°C25/34°C

21st Jul 2025286 AMAQI
21st Jul 2025307 AMAQI
21st Jul 2025318 AMAQI
21st Jul 2025279 AMAQI
21st Jul 20252810 AMAQI
21st Jul 20253211 AMAQI
21st Jul 20253012 PMAQI
21st Jul 2025301 PMAQI
21st Jul 2025312 PMAQI
21st Jul 2025343 PMAQI
21st Jul 2025324 PMAQI
21st Jul 2025325 PMAQI
21st Jul 2025336 PMAQI
21st Jul 2025317 PMAQI
21st Jul 2025308 PMAQI
21st Jul 2025329 PMAQI
21st Jul 20253110 PMAQI
21st Jul 20253211 PMAQI
22nd Jul 20253212 AMAQI
22nd Jul 2025301 AMAQI
22nd Jul 2025282 AMAQI
22nd Jul 2025273 AMAQI
22nd Jul 2025284 AMAQI
22nd Jul 2025275 AMAQI

29°C24/35°C

22nd Jul 2025286 AMAQI
22nd Jul 2025287 AMAQI
22nd Jul 2025288 AMAQI
22nd Jul 2025309 AMAQI
22nd Jul 20253610 AMAQI
22nd Jul 20253111 AMAQI
22nd Jul 20252812 PMAQI
22nd Jul 2025301 PMAQI
22nd Jul 2025302 PMAQI
22nd Jul 2025313 PMAQI
22nd Jul 2025294 PMAQI
22nd Jul 2025295 PMAQI
22nd Jul 2025296 PMAQI
22nd Jul 2025307 PMAQI
22nd Jul 2025298 PMAQI
22nd Jul 2025289 PMAQI
22nd Jul 20252810 PMAQI
22nd Jul 20253011 PMAQI
23rd Jul 20253012 AMAQI
23rd Jul 2025301 AMAQI
23rd Jul 2025272 AMAQI
23rd Jul 2025303 AMAQI
23rd Jul 2025294 AMAQI
23rd Jul 2025305 AMAQI

30°C25/37°C

23rd Jul 2025306 AMAQI
23rd Jul 2025317 AMAQI
23rd Jul 2025308 AMAQI
23rd Jul 2025319 AMAQI
23rd Jul 20253010 AMAQI
23rd Jul 20253011 AMAQI
23rd Jul 20253012 PMAQI
23rd Jul 2025281 PMAQI
23rd Jul 2025302 PMAQI
23rd Jul 2025313 PMAQI
23rd Jul 2025314 PMAQI
23rd Jul 2025315 PMAQI
23rd Jul 2025296 PMAQI
23rd Jul 2025297 PMAQI
23rd Jul 2025298 PMAQI
23rd Jul 2025289 PMAQI
23rd Jul 20252810 PMAQI
23rd Jul 20252811 PMAQI
24th Jul 20252812 AMAQI
24th Jul 2025261 AMAQI
24th Jul 2025212 AMAQI
24th Jul 2025233 AMAQI
24th Jul 2025234 AMAQI
24th Jul 2025255 AMAQI

30°C24/35°C

24th Jul 2025306 AMAQI
24th Jul 2025307 AMAQI
24th Jul 2025308 AMAQI
24th Jul 2025299 AMAQI
24th Jul 20252810 AMAQI
24th Jul 20252811 AMAQI
24th Jul 20252812 PMAQI
24th Jul 2025271 PMAQI
24th Jul 2025282 PMAQI
24th Jul 2025283 PMAQI
24th Jul 2025294 PMAQI
24th Jul 2025325 PMAQI
24th Jul 2025376 PMAQI
24th Jul 2025307 PMAQI
24th Jul 2025308 PMAQI
24th Jul 2025269 PMAQI
24th Jul 20252710 PMAQI
24th Jul 20252711 PMAQI
25th Jul 20253012 AMAQI
25th Jul 2025311 AMAQI
25th Jul 2025352 AMAQI
25th Jul 2025363 AMAQI
25th Jul 2025384 AMAQI
25th Jul 2025395 AMAQI

31°C25/38°C

25th Jul 2025366 AMAQI
25th Jul 2025367 AMAQI
25th Jul 2025368 AMAQI
25th Jul 2025379 AMAQI
25th Jul 20253810 AMAQI
25th Jul 20253811 AMAQI
25th Jul 20254012 PMAQI
25th Jul 2025331 PMAQI
25th Jul 2025332 PMAQI
25th Jul 2025363 PMAQI
25th Jul 2025344 PMAQI
25th Jul 2025335 PMAQI
25th Jul 2025336 PMAQI
25th Jul 2025377 PMAQI
25th Jul 2025368 PMAQI
25th Jul 2025319 PMAQI
25th Jul 20253010 PMAQI
25th Jul 20253211 PMAQI
26th Jul 20253212 AMAQI
26th Jul 2025271 AMAQI
26th Jul 2025192 AMAQI
26th Jul 2025183 AMAQI
26th Jul 2025204 AMAQI
26th Jul 2025185 AMAQI

27°C24/32°C

26th Jul 2025206 AMAQI
26th Jul 2025227 AMAQI
26th Jul 2025208 AMAQI
26th Jul 2025209 AMAQI
26th Jul 20252110 AMAQI
26th Jul 20252011 AMAQI
26th Jul 20252012 PMAQI
26th Jul 2025191 PMAQI
26th Jul 2025222 PMAQI
26th Jul 2025223 PMAQI
26th Jul 2025244 PMAQI
26th Jul 2025245 PMAQI
26th Jul 2025236 PMAQI
26th Jul 2025227 PMAQI
26th Jul 2025248 PMAQI
26th Jul 2025269 PMAQI
26th Jul 20252510 PMAQI
26th Jul 20252611 PMAQI
27th Jul 20252712 AMAQI
27th Jul 2025281 AMAQI
27th Jul 2025282 AMAQI
27th Jul 2025283 AMAQI
27th Jul 2025264 AMAQI
27th Jul 2025295 AMAQI

28°C25/32°C

27th Jul 2025296 AMAQI
27th Jul 2025307 AMAQI
27th Jul 2025308 AMAQI
27th Jul 2025309 AMAQI
27th Jul 20252710 AMAQI
27th Jul 20252611 AMAQI
27th Jul 20252812 PMAQI
27th Jul 2025291 PMAQI
27th Jul 2025322 PMAQI
27th Jul 2025333 PMAQI
27th Jul 2025334 PMAQI
27th Jul 2025335 PMAQI
27th Jul 2025346 PMAQI
27th Jul 2025307 PMAQI
27th Jul 2025328 PMAQI
27th Jul 2025369 PMAQI
27th Jul 20253710 PMAQI
27th Jul 20253711 PMAQI
28th Jul 20253612 AMAQI
28th Jul 2025401 AMAQI
28th Jul 2025502 AMAQI
28th Jul 2025513 AMAQI
28th Jul 2025514 AMAQI
28th Jul 2025525 AMAQI

29°C23/34°C

28th Jul 2025506 AMAQI
28th Jul 2025487 AMAQI
28th Jul 2025508 AMAQI
28th Jul 2025499 AMAQI
28th Jul 20255010 AMAQI
28th Jul 20255211 AMAQI
28th Jul 20255212 PMAQI
28th Jul 2025531 PMAQI
28th Jul 2025532 PMAQI
28th Jul 2025523 PMAQI
28th Jul 2025524 PMAQI
28th Jul 2025525 PMAQI
28th Jul 2025536 PMAQI
28th Jul 2025527 PMAQI
28th Jul 2025528 PMAQI
28th Jul 2025519 PMAQI
28th Jul 20255210 PMAQI
28th Jul 20255211 PMAQI
29th Jul 20255212 AMAQI
29th Jul 2025521 AMAQI
29th Jul 2025522 AMAQI
29th Jul 2025543 AMAQI
29th Jul 2025564 AMAQI
29th Jul 2025565 AMAQI

30°C23/37°C

29th Jul 2025576 AMAQI
29th Jul 2025567 AMAQI
29th Jul 2025568 AMAQI
29th Jul 2025569 AMAQI
29th Jul 20255610 AMAQI
29th Jul 20255611 AMAQI
29th Jul 20255612 PMAQI
29th Jul 2025561 PMAQI
29th Jul 2025552 PMAQI
29th Jul 2025553 PMAQI
29th Jul 2025554 PMAQI
29th Jul 2025545 PMAQI
29th Jul 2025546 PMAQI
29th Jul 2025557 PMAQI
29th Jul 2025558 PMAQI
29th Jul 2025549 PMAQI
29th Jul 20255410 PMAQI
29th Jul 20255411 PMAQI
30th Jul 20255412 AMAQI
30th Jul 2025541 AMAQI
30th Jul 2025562 AMAQI
30th Jul 2025583 AMAQI
30th Jul 2025604 AMAQI
30th Jul 2025625 AMAQI

31°C25/38°C

30th Jul 2025616 AMAQI
30th Jul 2025587 AMAQI
30th Jul 2025588 AMAQI
30th Jul 2025589 AMAQI
30th Jul 20255710 AMAQI
30th Jul 20255711 AMAQI
30th Jul 20255712 PMAQI
30th Jul 2025561 PMAQI
30th Jul 2025552 PMAQI
30th Jul 2025553 PMAQI
30th Jul 2025554 PMAQI
30th Jul 2025555 PMAQI
30th Jul 2025556 PMAQI
30th Jul 2025557 PMAQI
30th Jul 2025558 PMAQI
30th Jul 2025559 PMAQI
30th Jul 20255610 PMAQI
30th Jul 20255511 PMAQI
31st Jul 20255412 AMAQI
31st Jul 2025541 AMAQI
31st Jul 2025262 AMAQI
31st Jul 2025273 AMAQI
31st Jul 2025274 AMAQI
31st Jul 2025275 AMAQI

32°C26/39°C

31st Jul 2025336 AMAQI
31st Jul 2025387 AMAQI
31st Jul 2025398 AMAQI
31st Jul 2025419 AMAQI
31st Jul 20254310 AMAQI
31st Jul 20254211 AMAQI
31st Jul 20254312 PMAQI
31st Jul 2025451 PMAQI
31st Jul 2025472 PMAQI
31st Jul 2025473 PMAQI
31st Jul 2025524 PMAQI
31st Jul 2025525 PMAQI
31st Jul 2025536 PMAQI
31st Jul 2025437 PMAQI
31st Jul 2025458 PMAQI
31st Jul 2025509 PMAQI
31st Jul 20255010 PMAQI
31st Jul 20255011 PMAQI
1st Aug 20255012 AMAQI
1st Aug 2025501 AMAQI
1st Aug 2025462 AMAQI
1st Aug 2025463 AMAQI
1st Aug 2025444 AMAQI
1st Aug 2025455 AMAQI

27°C24/29°C

1st Aug 2025466 AMAQI
1st Aug 2025467 AMAQI
1st Aug 2025478 AMAQI
1st Aug 2025469 AMAQI
1st Aug 20254610 AMAQI
1st Aug 20254511 AMAQI
1st Aug 20254812 PMAQI
1st Aug 2025461 PMAQI
1st Aug 2025462 PMAQI
1st Aug 2025453 PMAQI
1st Aug 2025444 PMAQI
1st Aug 2025435 PMAQI
1st Aug 2025446 PMAQI
1st Aug 2025457 PMAQI
1st Aug 2025428 PMAQI
1st Aug 2025439 PMAQI
1st Aug 20254410 PMAQI
1st Aug 20254611 PMAQI
2nd Aug 20254712 AMAQI
2nd Aug 2025461 AMAQI
2nd Aug 2025472 AMAQI
2nd Aug 2025463 AMAQI
2nd Aug 2025474 AMAQI
2nd Aug 2025445 AMAQI

29°C23/34°C

2nd Aug 2025486 AMAQI
2nd Aug 2025487 AMAQI
2nd Aug 2025468 AMAQI
2nd Aug 2025469 AMAQI
2nd Aug 20254210 AMAQI
2nd Aug 20253811 AMAQI
2nd Aug 20253812 PMAQI
2nd Aug 2025371 PMAQI
2nd Aug 2025412 PMAQI
2nd Aug 2025363 PMAQI
2nd Aug 2025324 PMAQI
2nd Aug 2025305 PMAQI
2nd Aug 2025326 PMAQI
2nd Aug 2025407 PMAQI
2nd Aug 2025378 PMAQI
2nd Aug 2025359 PMAQI
2nd Aug 20253410 PMAQI
2nd Aug 20253011 PMAQI
3rd Aug 20253412 AMAQI
3rd Aug 2025341 AMAQI
3rd Aug 2025342 AMAQI
3rd Aug 2025343 AMAQI
3rd Aug 2025364 AMAQI
3rd Aug 2025375 AMAQI

29°C24/36°C

3rd Aug 2025366 AMAQI
3rd Aug 2025387 AMAQI
3rd Aug 2025408 AMAQI
3rd Aug 2025419 AMAQI
3rd Aug 20254410 AMAQI
3rd Aug 20254511 AMAQI
3rd Aug 20254612 PMAQI
3rd Aug 2025441 PMAQI
3rd Aug 2025482 PMAQI
3rd Aug 2025483 PMAQI
3rd Aug 2025454 PMAQI
3rd Aug 2025465 PMAQI
3rd Aug 2025446 PMAQI
3rd Aug 2025407 PMAQI
3rd Aug 2025448 PMAQI
3rd Aug 2025449 PMAQI
3rd Aug 20254610 PMAQI
3rd Aug 20255111 PMAQI
4th Aug 20255212 AMAQI
4th Aug 2025531 AMAQI
4th Aug 2025532 AMAQI
4th Aug 2025543 AMAQI
4th Aug 2025544 AMAQI
4th Aug 2025555 AMAQI

28°C22/34°C

4th Aug 2025566 AMAQI
4th Aug 2025587 AMAQI
4th Aug 2025578 AMAQI
4th Aug 2025589 AMAQI
4th Aug 20255810 AMAQI
4th Aug 20255611 AMAQI
4th Aug 20255712 PMAQI
4th Aug 2025561 PMAQI
4th Aug 2025552 PMAQI
4th Aug 2025553 PMAQI
4th Aug 2025544 PMAQI
4th Aug 2025525 PMAQI
4th Aug 2025536 PMAQI
4th Aug 2025547 PMAQI
4th Aug 2025548 PMAQI
4th Aug 2025539 PMAQI
4th Aug 20255310 PMAQI
4th Aug 20255311 PMAQI
5th Aug 20255412 AMAQI
5th Aug 2025541 AMAQI
5th Aug 2025562 AMAQI
5th Aug 2025563 AMAQI
5th Aug 2025574 AMAQI
5th Aug 2025575 AMAQI

29°C22/35°C

5th Aug 2025586 AMAQI
5th Aug 2025597 AMAQI
5th Aug 2025558 AMAQI
5th Aug 2025559 AMAQI
5th Aug 20255310 AMAQI
5th Aug 20255111 AMAQI
5th Aug 20255312 PMAQI
5th Aug 2025541 PMAQI
5th Aug 2025542 PMAQI
5th Aug 2025553 PMAQI
5th Aug 2025544 PMAQI
5th Aug 2025525 PMAQI
5th Aug 2025476 PMAQI
5th Aug 2025537 PMAQI
5th Aug 2025508 PMAQI
5th Aug 2025509 PMAQI
5th Aug 20254910 PMAQI
5th Aug 20255111 PMAQI
6th Aug 20255012 AMAQI
6th Aug 2025461 AMAQI
6th Aug 2025442 AMAQI
6th Aug 2025423 AMAQI
6th Aug 2025444 AMAQI
6th Aug 2025445 AMAQI

28°C22/36°C

6th Aug 2025486 AMAQI
6th Aug 2025507 AMAQI
6th Aug 2025528 AMAQI
6th Aug 2025499 AMAQI
6th Aug 20254310 AMAQI
6th Aug 20253911 AMAQI
6th Aug 20253712 PMAQI
6th Aug 2025361 PMAQI
6th Aug 2025382 PMAQI
6th Aug 2025383 PMAQI
6th Aug 2025364 PMAQI
6th Aug 2025325 PMAQI
6th Aug 2025316 PMAQI
6th Aug 2025477 PMAQI
6th Aug 2025398 PMAQI
6th Aug 2025329 PMAQI
6th Aug 20253010 PMAQI
6th Aug 20252811 PMAQI
7th Aug 20253312 AMAQI
7th Aug 2025371 AMAQI
7th Aug 2025222 AMAQI
7th Aug 2025213 AMAQI
7th Aug 2025214 AMAQI
7th Aug 2025225 AMAQI

29°C24/35°C

7th Aug 2025246 AMAQI
7th Aug 2025267 AMAQI
7th Aug 2025268 AMAQI
7th Aug 2025269 AMAQI
7th Aug 20252610 AMAQI
7th Aug 20252511 AMAQI
7th Aug 20252712 PMAQI
7th Aug 2025291 PMAQI
7th Aug 2025312 PMAQI
7th Aug 2025313 PMAQI
7th Aug 2025324 PMAQI
7th Aug 2025325 PMAQI
7th Aug 2025306 PMAQI
7th Aug 2025297 PMAQI
7th Aug 2025288 PMAQI
7th Aug 2025319 PMAQI
7th Aug 20253010 PMAQI
7th Aug 20253011 PMAQI
8th Aug 20253112 AMAQI
8th Aug 2025301 AMAQI
8th Aug 2025362 AMAQI
8th Aug 2025353 AMAQI
8th Aug 2025344 AMAQI
8th Aug 2025345 AMAQI

29°C25/36°C

8th Aug 2025346 AMAQI
8th Aug 2025347 AMAQI
8th Aug 2025348 AMAQI
8th Aug 2025339 AMAQI
8th Aug 20253210 AMAQI
8th Aug 20253311 AMAQI
8th Aug 20253312 PMAQI
8th Aug 2025341 PMAQI
8th Aug 2025362 PMAQI
8th Aug 2025363 PMAQI
8th Aug 2025364 PMAQI
8th Aug 2025365 PMAQI
8th Aug 2025376 PMAQI
8th Aug 2025367 PMAQI
8th Aug 2025348 PMAQI
8th Aug 2025369 PMAQI
8th Aug 20253610 PMAQI
8th Aug 20253611 PMAQI
9th Aug 20253412 AMAQI
9th Aug 2025331 AMAQI
9th Aug 2025262 AMAQI
9th Aug 2025263 AMAQI
9th Aug 2025264 AMAQI
9th Aug 2025295 AMAQI

29°C23/35°C

9th Aug 2025306 AMAQI
9th Aug 2025337 AMAQI
9th Aug 2025348 AMAQI
9th Aug 2025339 AMAQI
9th Aug 20253010 AMAQI
9th Aug 20252811 AMAQI
9th Aug 20252612 PMAQI
9th Aug 2025261 PMAQI
9th Aug 2025292 PMAQI
9th Aug 2025293 PMAQI
9th Aug 2025294 PMAQI
9th Aug 2025285 PMAQI
9th Aug 2025306 PMAQI
9th Aug 2025297 PMAQI
9th Aug 2025298 PMAQI
9th Aug 2025289 PMAQI
9th Aug 20252810 PMAQI
9th Aug 20253011 PMAQI
10th Aug 20252812 AMAQI
10th Aug 2025281 AMAQI
10th Aug 2025222 AMAQI
10th Aug 2025243 AMAQI
10th Aug 2025264 AMAQI
10th Aug 2025315 AMAQI

29°C23/35°C

10th Aug 2025306 AMAQI
10th Aug 2025317 AMAQI
10th Aug 2025328 AMAQI
10th Aug 2025309 AMAQI
10th Aug 20253010 AMAQI
10th Aug 20252911 AMAQI
10th Aug 20252712 PMAQI
10th Aug 2025241 PMAQI
10th Aug 2025262 PMAQI
10th Aug 2025273 PMAQI
10th Aug 2025274 PMAQI
10th Aug 2025265 PMAQI
10th Aug 2025286 PMAQI
10th Aug 2025307 PMAQI
10th Aug 2025278 PMAQI
10th Aug 2025289 PMAQI
10th Aug 20252710 PMAQI
10th Aug 20252811 PMAQI
11th Aug 20252912 AMAQI
11th Aug 2025381 AMAQI
11th Aug 2025362 AMAQI
11th Aug 2025323 AMAQI
11th Aug 2025364 AMAQI
11th Aug 2025385 AMAQI

28°C23/33°C

11th Aug 2025406 AMAQI
6 AM
11th Aug 2025407 AMAQI
11th Aug 2025408 AMAQI
11th Aug 2025389 AMAQI
11th Aug 20253610 AMAQI
11th Aug 20253411 AMAQI
11th Aug 20253312 PMAQI
11th Aug 2025321 PMAQI
1 PM
11th Aug 2025312 PMAQI
11th Aug 2025273 PMAQI
8 PM
1 AM
5 AM

--°C/°C

Day time
Avg. Highest Time
6 AM - 8 PM

39AQI

15 hours / Day
450 hours / Month
Avg. Lowest Time
6 AM - 8 PM

39AQI

15 hours / Day
450 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 6 AM to 8 PM (Avg. 39), while the lowest AQI was between 6 AM to 8 PM (Avg. 39).
Night time
Avg. Highest Time
12 AM - 1 AM

40AQI

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

38AQI

7 hours / Day
210 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 12 AM to 1 AM (Avg. 40), while the lowest AQI was between 2 AM to 11 PM (Avg. 38).

2025 Days Vs Air Quality

Westlake Site, Sulphur, Louisiana, United States

2025

88%

196

12%

26

Total number of days with different AQI categories in last 223 days in 2025 (142 days remaining)

Good
196 Days
Moderate
26 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 223 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

Westlake Site, Sulphur, 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.

1st January 2025
33AQI
2nd January 2025
36AQI
3rd January 2025
45AQI
4th January 2025
32AQI
5th January 2025
28AQI
6th January 2025
22AQI
7th January 2025
23AQI
8th January 2025
28AQI
9th January 2025
34AQI
10th January 2025
20AQI
11th January 2025
28AQI
12th January 2025
30AQI
13th January 2025
24AQI
14th January 2025
22AQI
15th January 2025
22AQI
16th January 2025
27AQI
17th January 2025
34AQI
18th January 2025
37AQI
19th January 2025
20AQI
20th January 2025
19AQI
21st January 2025
20AQI
22nd January 2025
26AQI
23rd January 2025
29AQI
24th January 2025
30AQI
25th January 2025
22AQI
26th January 2025
26AQI
27th January 2025
22AQI
28th January 2025
35AQI
29th January 2025
37AQI
30th January 2025
33AQI
31st January 2025
29AQI
1st February 2025
29AQI
2nd February 2025
38AQI
3rd February 2025
33AQI
4th February 2025
30AQI
5th February 2025
30AQI
6th February 2025
32AQI
7th February 2025
32AQI
8th February 2025
38AQI
9th February 2025
31AQI
10th February 2025
43AQI
11th February 2025
40AQI
12th February 2025
36AQI
13th February 2025
26AQI
14th February 2025
27AQI
15th February 2025
41AQI
16th February 2025
34AQI
17th February 2025
45AQI
18th February 2025
46AQI
19th February 2025
26AQI
20th February 2025
25AQI
21st February 2025
22AQI
22nd February 2025
27AQI
23rd February 2025
34AQI
24th February 2025
24AQI
25th February 2025
32AQI
26th February 2025
29AQI
27th February 2025
37AQI
28th February 2025
49AQI
1st March 2025
41AQI
2nd March 2025
34AQI
3rd March 2025
33AQI
4th March 2025
46AQI
5th March 2025
39AQI
6th March 2025
21AQI
7th March 2025
32AQI
8th March 2025
35AQI
9th March 2025
29AQI
10th March 2025
36AQI
11th March 2025
38AQI
12th March 2025
36AQI
13th March 2025
49AQI
14th March 2025
57AQI
15th March 2025
76AQI
16th March 2025
31AQI
17th March 2025
31AQI
18th March 2025
26AQI
19th March 2025
42AQI
20th March 2025
23AQI
21st March 2025
34AQI
22nd March 2025
38AQI
23rd March 2025
39AQI
24th March 2025
37AQI
25th March 2025
35AQI
26th March 2025
50AQI
27th March 2025
38AQI
28th March 2025
41AQI
29th March 2025
32AQI
30th March 2025
49AQI
31st March 2025
43AQI
1st April 2025
52AQI
2nd April 2025
51AQI
3rd April 2025
54AQI
4th April 2025
51AQI
5th April 2025
55AQI
6th April 2025
19AQI
7th April 2025
18AQI
8th April 2025
27AQI
9th April 2025
28AQI
10th April 2025
28AQI
11th April 2025
34AQI
12th April 2025
39AQI
13th April 2025
35AQI
14th April 2025
32AQI
15th April 2025
37AQI
16th April 2025
60AQI
17th April 2025
40AQI
18th April 2025
40AQI
19th April 2025
47AQI
20th April 2025
50AQI
21st April 2025
52AQI
22nd April 2025
43AQI
23rd April 2025
42AQI
24th April 2025
40AQI
25th April 2025
52AQI
26th April 2025
39AQI
27th April 2025
32AQI
28th April 2025
28AQI
29th April 2025
29AQI
30th April 2025
38AQI
1st May 2025
34AQI
2nd May 2025
34AQI
3rd May 2025
21AQI
4th May 2025
21AQI
5th May 2025
23AQI
6th May 2025
32AQI
7th May 2025
25AQI
8th May 2025
30AQI
9th May 2025
25AQI
10th May 2025
30AQI
11th May 2025
22AQI
12th May 2025
22AQI
13th May 2025
29AQI
14th May 2025
41AQI
15th May 2025
43AQI
16th May 2025
43AQI
17th May 2025
41AQI
18th May 2025
36AQI
19th May 2025
40AQI
20th May 2025
42AQI
21st May 2025
34AQI
22nd May 2025
35AQI
23rd May 2025
32AQI
24th May 2025
34AQI
25th May 2025
44AQI
26th May 2025
35AQI
27th May 2025
24AQI
28th May 2025
27AQI
29th May 2025
27AQI
30th May 2025
32AQI
31st May 2025
32AQI
1st June 2025
35AQI
2nd June 2025
38AQI
3rd June 2025
32AQI
4th June 2025
30AQI
5th June 2025
33AQI
6th June 2025
44AQI
7th June 2025
63AQI
8th June 2025
39AQI
9th June 2025
37AQI
10th June 2025
47AQI
11th June 2025
28AQI
12th June 2025
23AQI
13th June 2025
25AQI
14th June 2025
40AQI
15th June 2025
43AQI
16th June 2025
29AQI
17th June 2025
38AQI
18th June 2025
51AQI
19th June 2025
44AQI
20th June 2025
48AQI
21st June 2025
54AQI
22nd June 2025
54AQI
23rd June 2025
30AQI
24th June 2025
25AQI
25th June 2025
25AQI
26th June 2025
28AQI
27th June 2025
26AQI
28th June 2025
26AQI
29th June 2025
35AQI
30th June 2025
49AQI
1st July 2025
61AQI
2nd July 2025
62AQI
3rd July 2025
60AQI
4th July 2025
51AQI
5th July 2025
62AQI
6th July 2025
56AQI
7th July 2025
55AQI
8th July 2025
40AQI
9th July 2025
31AQI
10th July 2025
35AQI
11th July 2025
47AQI
12th July 2025
43AQI
13th July 2025
30AQI
14th July 2025
28AQI
15th July 2025
36AQI
16th July 2025
46AQI
17th July 2025
51AQI
18th July 2025
48AQI
19th July 2025
35AQI
20th July 2025
40AQI
21st July 2025
32AQI
22nd July 2025
29AQI
23rd July 2025
30AQI
24th July 2025
28AQI
25th July 2025
35AQI
26th July 2025
22AQI
27th July 2025
30AQI
28th July 2025
50AQI
29th July 2025
55AQI
30th July 2025
57AQI
31st July 2025
42AQI
1st August 2025
45AQI
2nd August 2025
40AQI
3rd August 2025
41AQI
4th August 2025
54AQI
5th August 2025
53AQI
6th August 2025
41AQI
7th August 2025
28AQI
8th August 2025
34AQI
9th August 2025
29AQI
10th August 2025
27AQI

28AQI

33AQI

38AQI

40AQI

32AQI

37AQI

43AQI

39AQI

No. of days

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

202536AQI

31
28
29
2
22
8
31
26
4
21
10
8
2
196
26

Highest AQI recorded in

July

43AQI

Lowest AQI recorded in

January

28AQI

202437AQI

27
4
18
11
29
2
26
4
23
7
1
26
4
29
2
18
13
30
26
5
29
1
27
4
308
57
1

Highest AQI recorded in

May

46AQI

Lowest AQI recorded in

November

30AQI

202343AQI

29
2
22
6
15
16
25
5
16
15
18
12
16
15
16
15
24
6
27
4
26
3
16
13
250
112

Highest AQI recorded in

May

53AQI

Lowest AQI recorded in

January

32AQI

202242AQI

26
5
17
4
22
9
25
5
25
6
18
12
20
4
1
20
9
20
11
24
6
29
2
247
73

Highest AQI recorded in

June

50AQI

Lowest AQI recorded in

August

25AQI

202143AQI

28
1
24
4
27
4
23
7
28
3
21
9
17
14
19
12
16
14
20
7
2
1
24
6
28
3
275
84
2
1

Highest AQI recorded in

October

51AQI

Lowest AQI recorded in

January

36AQI

202037AQI

6
7
17
4
15
3
19
10
1
16
15
17
10
14
1
26
23
7
30
1
183
58
1

Highest AQI recorded in

July

50AQI

Lowest AQI recorded in

October

1AQI

Most & Least Polluted Years Over the Last 6 Years

Most Polluted Year Recorded
2023(Avg.)
43AQI
Least Polluted Year Recorded
2025(Avg.)
36AQI

Westlake Site's annual 2025 AQI (36) shows an average percentage change of -10.5% (improved AQI) compared to previous years: 2020 (37), 2021 (43), 2022 (42), 2023 (43), 2024 (37).