Port Arthur, Texas, 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
Port Arthur, Texas, United States
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
1st Aug 2025
51AQILowest AQI recorded on
1st Aug 2025
51AQISame Day Analysis (1st August ):
On this day, AQI across the 1 years varied significantly: 2025 ranks 1st highest AQI at 51 of Moderate air quality on the same day.
Download 2024 Annual Data
World Air Quality Report
Day & Night AQI Trend: 1st Aug - 2nd Aug 2025
Port Arthur, Texas, United States
AQI
Day
Night
.
6 AM1st Aug 2025
8 PM
5 AM2nd Aug 2025
Day time
Avg. Highest Time
12PM1st Aug
53AQI
Avg. Lowest Time
9AM1st Aug
46AQI
Night time
Avg. Highest Time
10PM1st Aug
52AQI
Avg. Lowest Time
5AM2nd Aug
41AQI
In the last 24 hours,
Port Arthur's AQI reached its highest point of 53 at 12 PM during the Day, while the lowest point, 41, was recorded at 5 AM during the Night between 1st Aug and 2nd Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Port Arthur, Texas, United States
JulAug
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 - 31st31st - 01st01st - 02nd02nd
Day
Night
3rd Jul 2025556 AMAQI
3rd Jul 2025557 AMAQI
3rd Jul 2025568 AMAQI
3rd Jul 2025569 AMAQI
3rd Jul 20255510 AMAQI
3rd Jul 20255511 AMAQI
3rd Jul 20255412 PMAQI
3rd Jul 2025541 PMAQI
3rd Jul 2025562 PMAQI
3rd Jul 2025583 PMAQI
3rd Jul 2025584 PMAQI
3rd Jul 2025575 PMAQI
3rd Jul 2025556 PMAQI
3rd Jul 2025567 PMAQI
3rd Jul 2025578 PMAQI
3rd Jul 2025569 PMAQI
3rd Jul 20255610 PMAQI
3rd Jul 20255611 PMAQI
4th Jul 20255512 AMAQI
4th Jul 2025551 AMAQI
4th Jul 2025542 AMAQI
4th Jul 2025483 AMAQI
4th Jul 2025444 AMAQI
4th Jul 2025425 AMAQI
30°C25/37°C
4th Jul 2025426 AMAQI
4th Jul 2025497 AMAQI
4th Jul 2025518 AMAQI
4th Jul 2025529 AMAQI
4th Jul 20255210 AMAQI
4th Jul 20255011 AMAQI
4th Jul 20255212 PMAQI
4th Jul 2025521 PMAQI
4th Jul 2025522 PMAQI
4th Jul 2025533 PMAQI
4th Jul 2025544 PMAQI
4th Jul 2025545 PMAQI
4th Jul 2025546 PMAQI
4th Jul 2025537 PMAQI
4th Jul 2025528 PMAQI
4th Jul 2025529 PMAQI
4th Jul 20255210 PMAQI
4th Jul 20255411 PMAQI
5th Jul 20255712 AMAQI
5th Jul 2025561 AMAQI
5th Jul 2025582 AMAQI
5th Jul 2025613 AMAQI
5th Jul 2025634 AMAQI
5th Jul 2025645 AMAQI
29°C26/33°C
5th Jul 2025626 AMAQI
5th Jul 2025637 AMAQI
5th Jul 2025638 AMAQI
5th Jul 2025619 AMAQI
5th Jul 20256210 AMAQI
5th Jul 20256211 AMAQI
5th Jul 20256212 PMAQI
5th Jul 2025641 PMAQI
5th Jul 2025632 PMAQI
5th Jul 2025623 PMAQI
5th Jul 2025614 PMAQI
5th Jul 2025615 PMAQI
5th Jul 2025616 PMAQI
5th Jul 2025617 PMAQI
5th Jul 2025628 PMAQI
5th Jul 2025629 PMAQI
5th Jul 20256010 PMAQI
5th Jul 20256111 PMAQI
6th Jul 20255912 AMAQI
6th Jul 2025611 AMAQI
6th Jul 2025612 AMAQI
6th Jul 2025653 AMAQI
6th Jul 2025604 AMAQI
6th Jul 2025595 AMAQI
30°C26/36°C
6th Jul 2025576 AMAQI
6th Jul 2025597 AMAQI
6th Jul 2025598 AMAQI
6th Jul 2025589 AMAQI
6th Jul 20256010 AMAQI
6th Jul 20256311 AMAQI
6th Jul 20256312 PMAQI
6th Jul 2025631 PMAQI
6th Jul 2025602 PMAQI
6th Jul 2025623 PMAQI
6th Jul 2025624 PMAQI
6th Jul 2025625 PMAQI
6th Jul 2025626 PMAQI
6th Jul 2025617 PMAQI
6th Jul 2025618 PMAQI
6th Jul 2025609 PMAQI
6th Jul 20255810 PMAQI
6th Jul 20255911 PMAQI
7th Jul 20256012 AMAQI
7th Jul 2025601 AMAQI
7th Jul 2025582 AMAQI
7th Jul 2025593 AMAQI
7th Jul 2025564 AMAQI
7th Jul 2025555 AMAQI
29°C25/33°C
7th Jul 2025556 AMAQI
7th Jul 2025577 AMAQI
7th Jul 2025558 AMAQI
7th Jul 2025569 AMAQI
7th Jul 20255910 AMAQI
7th Jul 20256011 AMAQI
7th Jul 20255712 PMAQI
7th Jul 2025581 PMAQI
7th Jul 2025592 PMAQI
7th Jul 2025593 PMAQI
7th Jul 2025604 PMAQI
7th Jul 2025595 PMAQI
7th Jul 2025586 PMAQI
7th Jul 2025607 PMAQI
7th Jul 2025588 PMAQI
7th Jul 2025589 PMAQI
7th Jul 20255810 PMAQI
7th Jul 20255811 PMAQI
8th Jul 20255612 AMAQI
8th Jul 2025541 AMAQI
8th Jul 2025482 AMAQI
8th Jul 2025393 AMAQI
8th Jul 2025394 AMAQI
8th Jul 2025415 AMAQI
29°C26/32°C
8th Jul 2025416 AMAQI
8th Jul 2025447 AMAQI
8th Jul 2025518 AMAQI
8th Jul 2025499 AMAQI
8th Jul 20254910 AMAQI
8th Jul 20255011 AMAQI
8th Jul 20255512 PMAQI
8th Jul 2025541 PMAQI
8th Jul 2025562 PMAQI
8th Jul 2025563 PMAQI
8th Jul 2025514 PMAQI
8th Jul 2025525 PMAQI
8th Jul 2025526 PMAQI
8th Jul 2025517 PMAQI
8th Jul 2025508 PMAQI
8th Jul 2025499 PMAQI
8th Jul 20254810 PMAQI
8th Jul 20254611 PMAQI
9th Jul 20254612 AMAQI
9th Jul 2025461 AMAQI
9th Jul 2025452 AMAQI
9th Jul 2025303 AMAQI
9th Jul 2025354 AMAQI
9th Jul 2025545 AMAQI
30°C26/34°C
9th Jul 2025586 AMAQI
9th Jul 2025487 AMAQI
9th Jul 2025558 AMAQI
9th Jul 2025579 AMAQI
9th Jul 20254410 AMAQI
9th Jul 20255011 AMAQI
9th Jul 20254912 PMAQI
9th Jul 2025471 PMAQI
9th Jul 2025572 PMAQI
9th Jul 2025503 PMAQI
9th Jul 2025484 PMAQI
9th Jul 2025425 PMAQI
9th Jul 2025426 PMAQI
9th Jul 2025467 PMAQI
9th Jul 2025458 PMAQI
9th Jul 2025469 PMAQI
9th Jul 20254710 PMAQI
9th Jul 20255211 PMAQI
10th Jul 20255212 AMAQI
10th Jul 2025501 AMAQI
10th Jul 2025512 AMAQI
10th Jul 2025583 AMAQI
10th Jul 2025614 AMAQI
10th Jul 2025565 AMAQI
29°C24/34°C
10th Jul 2025556 AMAQI
10th Jul 2025557 AMAQI
10th Jul 2025558 AMAQI
10th Jul 2025559 AMAQI
10th Jul 20255510 AMAQI
10th Jul 20255711 AMAQI
10th Jul 20255712 PMAQI
10th Jul 2025571 PMAQI
10th Jul 2025572 PMAQI
10th Jul 2025553 PMAQI
10th Jul 2025564 PMAQI
10th Jul 2025565 PMAQI
10th Jul 2025566 PMAQI
10th Jul 2025557 PMAQI
10th Jul 2025548 PMAQI
10th Jul 2025529 PMAQI
10th Jul 20255310 PMAQI
10th Jul 20255311 PMAQI
11th Jul 20255412 AMAQI
11th Jul 2025551 AMAQI
11th Jul 2025552 AMAQI
11th Jul 2025553 AMAQI
11th Jul 2025564 AMAQI
11th Jul 2025555 AMAQI
29°C25/33°C
11th Jul 2025566 AMAQI
11th Jul 2025577 AMAQI
11th Jul 2025568 AMAQI
11th Jul 2025549 AMAQI
11th Jul 20255310 AMAQI
11th Jul 20255411 AMAQI
11th Jul 20255412 PMAQI
11th Jul 2025551 PMAQI
11th Jul 2025542 PMAQI
11th Jul 2025553 PMAQI
11th Jul 2025554 PMAQI
11th Jul 2025555 PMAQI
11th Jul 2025556 PMAQI
11th Jul 2025557 PMAQI
11th Jul 2025548 PMAQI
11th Jul 2025549 PMAQI
11th Jul 20255410 PMAQI
11th Jul 20255511 PMAQI
12th Jul 20255512 AMAQI
12th Jul 2025581 AMAQI
12th Jul 2025562 AMAQI
12th Jul 2025553 AMAQI
12th Jul 2025574 AMAQI
12th Jul 2025585 AMAQI
30°C26/33°C
12th Jul 2025526 AMAQI
12th Jul 2025517 AMAQI
12th Jul 2025468 AMAQI
12th Jul 2025429 AMAQI
12th Jul 20254410 AMAQI
12th Jul 20255511 AMAQI
12th Jul 20255512 PMAQI
12th Jul 2025501 PMAQI
12th Jul 2025522 PMAQI
12th Jul 2025513 PMAQI
12th Jul 2025524 PMAQI
12th Jul 2025515 PMAQI
12th Jul 2025516 PMAQI
12th Jul 2025517 PMAQI
12th Jul 2025508 PMAQI
12th Jul 2025519 PMAQI
12th Jul 20255210 PMAQI
12th Jul 20254611 PMAQI
13th Jul 20254612 AMAQI
13th Jul 2025491 AMAQI
13th Jul 2025442 AMAQI
13th Jul 2025323 AMAQI
13th Jul 2025314 AMAQI
13th Jul 2025325 AMAQI
30°C27/33°C
13th Jul 2025316 AMAQI
13th Jul 2025367 AMAQI
13th Jul 2025348 AMAQI
13th Jul 2025339 AMAQI
13th Jul 20253710 AMAQI
13th Jul 20254211 AMAQI
13th Jul 20254512 PMAQI
13th Jul 2025421 PMAQI
13th Jul 2025422 PMAQI
13th Jul 2025403 PMAQI
13th Jul 2025394 PMAQI
13th Jul 2025395 PMAQI
13th Jul 2025386 PMAQI
13th Jul 2025397 PMAQI
13th Jul 2025388 PMAQI
13th Jul 2025399 PMAQI
13th Jul 20253610 PMAQI
13th Jul 20253611 PMAQI
14th Jul 20253712 AMAQI
14th Jul 2025361 AMAQI
14th Jul 2025342 AMAQI
14th Jul 2025293 AMAQI
14th Jul 2025264 AMAQI
14th Jul 2025305 AMAQI
30°C27/33°C
14th Jul 2025286 AMAQI
14th Jul 2025297 AMAQI
14th Jul 2025288 AMAQI
14th Jul 2025279 AMAQI
14th Jul 20252810 AMAQI
14th Jul 20253511 AMAQI
14th Jul 20254112 PMAQI
14th Jul 2025401 PMAQI
14th Jul 2025422 PMAQI
14th Jul 2025413 PMAQI
14th Jul 2025394 PMAQI
14th Jul 2025365 PMAQI
14th Jul 2025386 PMAQI
14th Jul 2025367 PMAQI
14th Jul 2025348 PMAQI
14th Jul 2025349 PMAQI
14th Jul 20253510 PMAQI
14th Jul 20254011 PMAQI
15th Jul 20254012 AMAQI
15th Jul 2025401 AMAQI
15th Jul 2025412 AMAQI
15th Jul 2025443 AMAQI
15th Jul 2025474 AMAQI
15th Jul 2025485 AMAQI
30°C27/34°C
15th Jul 2025426 AMAQI
15th Jul 2025467 AMAQI
15th Jul 2025448 AMAQI
15th Jul 2025409 AMAQI
15th Jul 20254210 AMAQI
15th Jul 20254611 AMAQI
15th Jul 20254412 PMAQI
15th Jul 2025541 PMAQI
15th Jul 2025522 PMAQI
15th Jul 2025523 PMAQI
15th Jul 2025524 PMAQI
15th Jul 2025475 PMAQI
15th Jul 2025506 PMAQI
15th Jul 2025497 PMAQI
15th Jul 2025468 PMAQI
15th Jul 2025469 PMAQI
15th Jul 20254510 PMAQI
15th Jul 20254811 PMAQI
16th Jul 20255212 AMAQI
16th Jul 2025491 AMAQI
16th Jul 2025502 AMAQI
16th Jul 2025543 AMAQI
16th Jul 2025554 AMAQI
16th Jul 2025545 AMAQI
30°C26/34°C
16th Jul 2025516 AMAQI
16th Jul 2025507 AMAQI
16th Jul 2025508 AMAQI
16th Jul 2025509 AMAQI
16th Jul 20255210 AMAQI
16th Jul 20255511 AMAQI
16th Jul 20255712 PMAQI
16th Jul 2025581 PMAQI
16th Jul 2025582 PMAQI
16th Jul 2025573 PMAQI
16th Jul 2025584 PMAQI
16th Jul 2025575 PMAQI
16th Jul 2025586 PMAQI
16th Jul 2025547 PMAQI
16th Jul 2025548 PMAQI
16th Jul 2025549 PMAQI
16th Jul 20255410 PMAQI
16th Jul 20255811 PMAQI
17th Jul 20256212 AMAQI
17th Jul 2025621 AMAQI
17th Jul 2025572 AMAQI
17th Jul 2025543 AMAQI
17th Jul 2025514 AMAQI
17th Jul 2025485 AMAQI
30°C26/34°C
17th Jul 2025486 AMAQI
17th Jul 2025487 AMAQI
17th Jul 2025468 AMAQI
17th Jul 2025489 AMAQI
17th Jul 20255110 AMAQI
17th Jul 20255311 AMAQI
17th Jul 20255512 PMAQI
17th Jul 2025541 PMAQI
17th Jul 2025532 PMAQI
17th Jul 2025543 PMAQI
17th Jul 2025554 PMAQI
17th Jul 2025545 PMAQI
17th Jul 2025566 PMAQI
17th Jul 2025547 PMAQI
17th Jul 2025548 PMAQI
17th Jul 2025549 PMAQI
17th Jul 20255510 PMAQI
17th Jul 20255411 PMAQI
18th Jul 20255412 AMAQI
18th Jul 2025541 AMAQI
18th Jul 2025532 AMAQI
18th Jul 2025503 AMAQI
18th Jul 2025444 AMAQI
18th Jul 2025425 AMAQI
29°C24/35°C
18th Jul 2025496 AMAQI
18th Jul 2025527 AMAQI
18th Jul 2025528 AMAQI
18th Jul 2025529 AMAQI
18th Jul 20255310 AMAQI
18th Jul 20255211 AMAQI
18th Jul 20255412 PMAQI
18th Jul 2025531 PMAQI
18th Jul 2025542 PMAQI
18th Jul 2025533 PMAQI
18th Jul 2025524 PMAQI
18th Jul 2025535 PMAQI
18th Jul 2025546 PMAQI
18th Jul 2025537 PMAQI
18th Jul 2025538 PMAQI
18th Jul 2025529 PMAQI
18th Jul 20255110 PMAQI
18th Jul 20255111 PMAQI
19th Jul 20255112 AMAQI
19th Jul 2025481 AMAQI
19th Jul 2025422 AMAQI
19th Jul 2025293 AMAQI
19th Jul 2025314 AMAQI
19th Jul 2025355 AMAQI
28°C27/31°C
19th Jul 2025396 AMAQI
19th Jul 2025377 AMAQI
19th Jul 2025398 AMAQI
19th Jul 2025329 AMAQI
19th Jul 20253110 AMAQI
19th Jul 20254411 AMAQI
19th Jul 20255112 PMAQI
19th Jul 2025511 PMAQI
19th Jul 2025492 PMAQI
19th Jul 2025463 PMAQI
19th Jul 2025464 PMAQI
19th Jul 2025465 PMAQI
19th Jul 2025456 PMAQI
19th Jul 2025447 PMAQI
19th Jul 2025438 PMAQI
19th Jul 2025439 PMAQI
19th Jul 20254210 PMAQI
19th Jul 20254011 PMAQI
20th Jul 20254112 AMAQI
20th Jul 2025411 AMAQI
20th Jul 2025412 AMAQI
20th Jul 2025403 AMAQI
20th Jul 2025394 AMAQI
20th Jul 2025385 AMAQI
30°C27/34°C
20th Jul 2025386 AMAQI
20th Jul 2025407 AMAQI
20th Jul 2025368 AMAQI
20th Jul 2025379 AMAQI
20th Jul 20254210 AMAQI
20th Jul 20254711 AMAQI
20th Jul 20255012 PMAQI
20th Jul 2025501 PMAQI
20th Jul 2025502 PMAQI
20th Jul 2025473 PMAQI
20th Jul 2025454 PMAQI
20th Jul 2025465 PMAQI
20th Jul 2025466 PMAQI
20th Jul 2025457 PMAQI
20th Jul 2025458 PMAQI
20th Jul 2025449 PMAQI
20th Jul 20254510 PMAQI
20th Jul 20254311 PMAQI
21st Jul 20254412 AMAQI
21st Jul 2025421 AMAQI
21st Jul 2025422 AMAQI
21st Jul 2025363 AMAQI
21st Jul 2025344 AMAQI
21st Jul 2025365 AMAQI
30°C27/34°C
21st Jul 2025316 AMAQI
21st Jul 2025357 AMAQI
21st Jul 2025338 AMAQI
21st Jul 2025329 AMAQI
21st Jul 20253210 AMAQI
21st Jul 20254111 AMAQI
21st Jul 20254112 PMAQI
21st Jul 2025421 PMAQI
21st Jul 2025412 PMAQI
21st Jul 2025403 PMAQI
21st Jul 2025424 PMAQI
21st Jul 2025425 PMAQI
21st Jul 2025426 PMAQI
21st Jul 2025427 PMAQI
21st Jul 2025398 PMAQI
21st Jul 2025409 PMAQI
21st Jul 20254010 PMAQI
21st Jul 20254411 PMAQI
22nd Jul 20254312 AMAQI
22nd Jul 2025411 AMAQI
22nd Jul 2025402 AMAQI
22nd Jul 2025333 AMAQI
22nd Jul 2025334 AMAQI
22nd Jul 2025325 AMAQI
31°C27/37°C
22nd Jul 2025346 AMAQI
22nd Jul 2025337 AMAQI
22nd Jul 2025278 AMAQI
22nd Jul 2025289 AMAQI
22nd Jul 20253010 AMAQI
22nd Jul 20253411 AMAQI
22nd Jul 20253912 PMAQI
22nd Jul 2025401 PMAQI
22nd Jul 2025392 PMAQI
22nd Jul 2025363 PMAQI
22nd Jul 2025354 PMAQI
22nd Jul 2025355 PMAQI
22nd Jul 2025366 PMAQI
22nd Jul 2025347 PMAQI
22nd Jul 2025348 PMAQI
22nd Jul 2025359 PMAQI
22nd Jul 20253510 PMAQI
22nd Jul 20253711 PMAQI
23rd Jul 20253512 AMAQI
23rd Jul 2025351 AMAQI
23rd Jul 2025362 AMAQI
23rd Jul 2025313 AMAQI
23rd Jul 2025304 AMAQI
23rd Jul 2025305 AMAQI
31°C26/38°C
23rd Jul 2025376 AMAQI
23rd Jul 2025287 AMAQI
23rd Jul 2025278 AMAQI
23rd Jul 2025249 AMAQI
23rd Jul 20252410 AMAQI
23rd Jul 20253211 AMAQI
23rd Jul 20253512 PMAQI
23rd Jul 2025381 PMAQI
23rd Jul 2025392 PMAQI
23rd Jul 2025363 PMAQI
23rd Jul 2025344 PMAQI
23rd Jul 2025345 PMAQI
23rd Jul 2025356 PMAQI
23rd Jul 2025347 PMAQI
23rd Jul 2025338 PMAQI
23rd Jul 2025349 PMAQI
23rd Jul 20253210 PMAQI
23rd Jul 20253311 PMAQI
24th Jul 20253212 AMAQI
24th Jul 2025331 AMAQI
24th Jul 2025322 AMAQI
24th Jul 2025333 AMAQI
24th Jul 2025314 AMAQI
24th Jul 2025285 AMAQI
31°C26/37°C
24th Jul 2025286 AMAQI
24th Jul 2025317 AMAQI
24th Jul 2025298 AMAQI
24th Jul 2025299 AMAQI
24th Jul 20252810 AMAQI
24th Jul 20253611 AMAQI
24th Jul 20253712 PMAQI
24th Jul 2025391 PMAQI
24th Jul 2025432 PMAQI
24th Jul 2025393 PMAQI
24th Jul 2025384 PMAQI
24th Jul 2025375 PMAQI
24th Jul 2025396 PMAQI
24th Jul 2025357 PMAQI
24th Jul 2025348 PMAQI
24th Jul 2025349 PMAQI
24th Jul 20253410 PMAQI
24th Jul 20253311 PMAQI
25th Jul 20253312 AMAQI
25th Jul 2025321 AMAQI
25th Jul 2025302 AMAQI
25th Jul 2025293 AMAQI
25th Jul 2025304 AMAQI
25th Jul 2025355 AMAQI
31°C25/38°C
25th Jul 2025396 AMAQI
25th Jul 2025437 AMAQI
25th Jul 2025428 AMAQI
25th Jul 2025399 AMAQI
25th Jul 20253610 AMAQI
25th Jul 20254411 AMAQI
25th Jul 20254912 PMAQI
25th Jul 2025441 PMAQI
25th Jul 2025452 PMAQI
25th Jul 2025423 PMAQI
25th Jul 2025394 PMAQI
25th Jul 2025425 PMAQI
25th Jul 2025426 PMAQI
25th Jul 2025407 PMAQI
25th Jul 2025428 PMAQI
25th Jul 2025419 PMAQI
25th Jul 20254110 PMAQI
25th Jul 20254111 PMAQI
26th Jul 20254212 AMAQI
26th Jul 2025401 AMAQI
26th Jul 2025402 AMAQI
26th Jul 2025403 AMAQI
26th Jul 2025414 AMAQI
26th Jul 2025395 AMAQI
29°C25/34°C
26th Jul 2025406 AMAQI
26th Jul 2025397 AMAQI
26th Jul 2025408 AMAQI
26th Jul 2025409 AMAQI
26th Jul 20254010 AMAQI
26th Jul 20253911 AMAQI
26th Jul 20254012 PMAQI
26th Jul 2025381 PMAQI
26th Jul 2025382 PMAQI
26th Jul 2025383 PMAQI
26th Jul 2025384 PMAQI
26th Jul 2025395 PMAQI
26th Jul 2025406 PMAQI
26th Jul 2025407 PMAQI
26th Jul 2025418 PMAQI
26th Jul 2025419 PMAQI
26th Jul 20254010 PMAQI
26th Jul 20254111 PMAQI
27th Jul 20254012 AMAQI
27th Jul 2025401 AMAQI
27th Jul 2025422 AMAQI
27th Jul 2025423 AMAQI
27th Jul 2025414 AMAQI
27th Jul 2025425 AMAQI
28°C26/31°C
27th Jul 2025436 AMAQI
27th Jul 2025427 AMAQI
27th Jul 2025438 AMAQI
27th Jul 2025439 AMAQI
27th Jul 20254310 AMAQI
27th Jul 20254411 AMAQI
27th Jul 20254312 PMAQI
27th Jul 2025431 PMAQI
27th Jul 2025432 PMAQI
27th Jul 2025423 PMAQI
27th Jul 2025424 PMAQI
27th Jul 2025425 PMAQI
27th Jul 2025436 PMAQI
27th Jul 2025437 PMAQI
27th Jul 2025448 PMAQI
27th Jul 2025459 PMAQI
27th Jul 20254610 PMAQI
27th Jul 20255111 PMAQI
28th Jul 20254912 AMAQI
28th Jul 2025501 AMAQI
28th Jul 2025492 AMAQI
28th Jul 2025503 AMAQI
28th Jul 2025524 AMAQI
28th Jul 2025485 AMAQI
30°C27/35°C
28th Jul 2025476 AMAQI
28th Jul 2025507 AMAQI
28th Jul 2025518 AMAQI
28th Jul 2025519 AMAQI
28th Jul 20255110 AMAQI
28th Jul 20255411 AMAQI
28th Jul 20255612 PMAQI
28th Jul 2025591 PMAQI
28th Jul 2025572 PMAQI
28th Jul 2025553 PMAQI
28th Jul 2025554 PMAQI
28th Jul 2025555 PMAQI
28th Jul 2025566 PMAQI
28th Jul 2025547 PMAQI
28th Jul 2025538 PMAQI
28th Jul 2025529 PMAQI
28th Jul 20255310 PMAQI
28th Jul 20255311 PMAQI
29th Jul 20255412 AMAQI
29th Jul 2025551 AMAQI
29th Jul 2025552 AMAQI
29th Jul 2025543 AMAQI
29th Jul 2025554 AMAQI
29th Jul 2025565 AMAQI
31°C27/36°C
29th Jul 2025566 AMAQI
29th Jul 2025567 AMAQI
29th Jul 2025568 AMAQI
29th Jul 2025569 AMAQI
29th Jul 20255510 AMAQI
29th Jul 20255911 AMAQI
29th Jul 20256112 PMAQI
29th Jul 2025611 PMAQI
29th Jul 2025602 PMAQI
29th Jul 2025593 PMAQI
29th Jul 2025584 PMAQI
29th Jul 2025585 PMAQI
29th Jul 2025576 PMAQI
29th Jul 2025577 PMAQI
29th Jul 2025588 PMAQI
29th Jul 2025589 PMAQI
29th Jul 20255710 PMAQI
29th Jul 20255811 PMAQI
30th Jul 20255712 AMAQI
30th Jul 2025571 AMAQI
30th Jul 2025582 AMAQI
30th Jul 2025603 AMAQI
30th Jul 2025604 AMAQI
30th Jul 2025605 AMAQI
31°C24/39°C
30th Jul 2025606 AMAQI
30th Jul 2025597 AMAQI
30th Jul 2025598 AMAQI
30th Jul 2025609 AMAQI
30th Jul 20255910 AMAQI
30th Jul 20256211 AMAQI
30th Jul 20256412 PMAQI
30th Jul 2025661 PMAQI
30th Jul 2025662 PMAQI
30th Jul 2025663 PMAQI
30th Jul 2025664 PMAQI
30th Jul 2025665 PMAQI
30th Jul 2025666 PMAQI
30th Jul 2025667 PMAQI
30th Jul 2025668 PMAQI
30th Jul 2025629 PMAQI
30th Jul 20256010 PMAQI
30th Jul 20255911 PMAQI
31st Jul 20255712 AMAQI
31st Jul 2025571 AMAQI
31st Jul 2025482 AMAQI
31st Jul 2025353 AMAQI
31st Jul 2025334 AMAQI
31st Jul 2025365 AMAQI
32°C25/39°C
31st Jul 2025356 AMAQI
31st Jul 2025497 AMAQI
31st Jul 2025528 AMAQI
31st Jul 2025529 AMAQI
31st Jul 20255310 AMAQI
31st Jul 20255411 AMAQI
31st Jul 20255412 PMAQI
31st Jul 2025551 PMAQI
31st Jul 2025552 PMAQI
31st Jul 2025573 PMAQI
31st Jul 2025584 PMAQI
31st Jul 2025585 PMAQI
31st Jul 2025576 PMAQI
31st Jul 2025537 PMAQI
31st Jul 2025538 PMAQI
31st Jul 2025529 PMAQI
31st Jul 20255310 PMAQI
31st Jul 20255211 PMAQI
1st Aug 20255312 AMAQI
1st Aug 2025541 AMAQI
1st Aug 2025542 AMAQI
1st Aug 2025513 AMAQI
1st Aug 2025504 AMAQI
1st Aug 2025495 AMAQI
28°C26/34°C
1st Aug 2025486 AMAQI
1st Aug 2025467 AMAQI
1st Aug 2025468 AMAQI
1st Aug 2025469 AMAQI
1st Aug 20254810 AMAQI
1st Aug 20255211 AMAQI
1st Aug 20255312 PMAQI
1st Aug 2025531 PMAQI
1st Aug 2025532 PMAQI
1st Aug 2025533 PMAQI
1st Aug 2025534 PMAQI
1st Aug 2025525 PMAQI
1st Aug 2025536 PMAQI
1st Aug 2025517 PMAQI
1st Aug 2025528 PMAQI
1st Aug 2025519 PMAQI
1st Aug 20255210 PMAQI
1st Aug 20254811 PMAQI
2nd Aug 20254412 AMAQI
2nd Aug 2025411 AMAQI
2nd Aug 2025442 AMAQI
2nd Aug 2025443 AMAQI
2nd Aug 2025414 AMAQI
2nd Aug 2025415 AMAQI
29°C25/33°C
2nd Aug 2025436 AMAQI
6 AM2nd Aug 2025457 AMAQI
2nd Aug 2025448 AMAQI
2nd Aug 2025469 AMAQI
2nd Aug 20254610 AMAQI
2nd Aug 20254311 AMAQI
2nd Aug 20254412 PMAQI
2nd Aug 2025491 PMAQI
1 PM2nd Aug 2025522 PMAQI
8 PM
1 AM
5 AM
--°C/°C
Day time
Avg. Highest Time
11 AM - 8 PM
50AQI
10 hours / Day
300 hours / Month
Avg. Lowest Time
6 AM - 10 AM
46AQI
5 hours / Day
150 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 11 AM to 8 PM (Avg. 50), while the lowest AQI was between 6 AM to 10 AM (Avg. 46).
Night time
Avg. Highest Time
12 AM - 2 AM
49AQI
3 hours / Day
90 hours / Month
Avg. Lowest Time
3 AM - 5 AM
45AQI
3 hours / Day
90 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 12 AM to 2 AM (Avg. 49), while the lowest AQI was between 3 AM to 5 AM (Avg. 45).
2025 Days Vs Air Quality
Port Arthur, Texas, United States
2025
69%
88
31%
40
Total number of days with different AQI categories in last 214 days in 2025 (151 days remaining)
Good
88 DaysModerate
40 DaysPoor
0 DaysUnhealthy
0 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 69%
Health Risk Level:
Moderate
In 2025, 69% of 214 days were within WHO’s safe air quality limits, and 31% exceeded them. The risk of health issues is Moderate, particularly for individuals with respiratory or heart conditions.
Annual Air Quality Insights
Port Arthur, Texas, 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 March 2025
35AQI
35AQI
2nd March 2025
41AQI
41AQI
3rd March 2025
36AQI
36AQI
4th March 2025
52AQI
52AQI
5th March 2025
56AQI
56AQI
1st April 2025
60AQI
60AQI
2nd April 2025
51AQI
51AQI
3rd April 2025
55AQI
55AQI
4th April 2025
54AQI
54AQI
5th April 2025
54AQI
54AQI
6th April 2025
24AQI
24AQI
7th April 2025
24AQI
24AQI
8th April 2025
41AQI
41AQI
9th April 2025
38AQI
38AQI
10th April 2025
29AQI
29AQI
11th April 2025
37AQI
37AQI
12th April 2025
46AQI
46AQI
13th April 2025
36AQI
36AQI
14th April 2025
35AQI
35AQI
15th April 2025
39AQI
39AQI
16th April 2025
45AQI
45AQI
17th April 2025
37AQI
37AQI
18th April 2025
41AQI
41AQI
19th April 2025
55AQI
55AQI
20th April 2025
55AQI
55AQI
21st April 2025
50AQI
50AQI
22nd April 2025
47AQI
47AQI
23rd April 2025
49AQI
49AQI
24th April 2025
54AQI
54AQI
25th April 2025
54AQI
54AQI
26th April 2025
44AQI
44AQI
27th April 2025
35AQI
35AQI
28th April 2025
32AQI
32AQI
29th April 2025
29AQI
29AQI
30th April 2025
44AQI
44AQI
1st May 2025
49AQI
49AQI
2nd May 2025
40AQI
40AQI
3rd May 2025
27AQI
27AQI
4th May 2025
27AQI
27AQI
5th May 2025
30AQI
30AQI
6th May 2025
41AQI
41AQI
7th May 2025
33AQI
33AQI
8th May 2025
33AQI
33AQI
9th May 2025
28AQI
28AQI
10th May 2025
31AQI
31AQI
11th May 2025
30AQI
30AQI
12th May 2025
26AQI
26AQI
13th May 2025
35AQI
35AQI
14th May 2025
41AQI
41AQI
15th May 2025
48AQI
48AQI
16th May 2025
50AQI
50AQI
17th May 2025
51AQI
51AQI
18th May 2025
44AQI
44AQI
19th May 2025
49AQI
49AQI
20th May 2025
53AQI
53AQI
21st May 2025
43AQI
43AQI
22nd May 2025
42AQI
42AQI
23rd May 2025
36AQI
36AQI
24th May 2025
42AQI
42AQI
25th May 2025
54AQI
54AQI
26th May 2025
47AQI
47AQI
27th May 2025
30AQI
30AQI
28th May 2025
29AQI
29AQI
29th May 2025
28AQI
28AQI
30th May 2025
33AQI
33AQI
31st May 2025
41AQI
41AQI
1st June 2025
49AQI
49AQI
2nd June 2025
48AQI
48AQI
3rd June 2025
38AQI
38AQI
4th June 2025
36AQI
36AQI
5th June 2025
44AQI
44AQI
6th June 2025
52AQI
52AQI
7th June 2025
60AQI
60AQI
8th June 2025
48AQI
48AQI
9th June 2025
50AQI
50AQI
10th June 2025
51AQI
51AQI
11th June 2025
37AQI
37AQI
12th June 2025
27AQI
27AQI
13th June 2025
33AQI
33AQI
14th June 2025
47AQI
47AQI
15th June 2025
49AQI
49AQI
16th June 2025
34AQI
34AQI
17th June 2025
45AQI
45AQI
18th June 2025
55AQI
55AQI
19th June 2025
52AQI
52AQI
20th June 2025
53AQI
53AQI
21st June 2025
56AQI
56AQI
22nd June 2025
57AQI
57AQI
23rd June 2025
37AQI
37AQI
24th June 2025
29AQI
29AQI
25th June 2025
27AQI
27AQI
26th June 2025
24AQI
24AQI
27th June 2025
24AQI
24AQI
28th June 2025
32AQI
32AQI
29th June 2025
35AQI
35AQI
30th June 2025
54AQI
54AQI
1st July 2025
59AQI
59AQI
2nd July 2025
64AQI
64AQI
3rd July 2025
57AQI
57AQI
4th July 2025
51AQI
51AQI
5th July 2025
61AQI
61AQI
6th July 2025
61AQI
61AQI
7th July 2025
58AQI
58AQI
8th July 2025
49AQI
49AQI
9th July 2025
47AQI
47AQI
10th July 2025
55AQI
55AQI
11th July 2025
55AQI
55AQI
12th July 2025
52AQI
52AQI
13th July 2025
38AQI
38AQI
14th July 2025
34AQI
34AQI
15th July 2025
46AQI
46AQI
16th July 2025
54AQI
54AQI
17th July 2025
54AQI
54AQI
18th July 2025
51AQI
51AQI
19th July 2025
42AQI
42AQI
20th July 2025
43AQI
43AQI
21st July 2025
39AQI
39AQI
22nd July 2025
35AQI
35AQI
23rd July 2025
33AQI
33AQI
24th July 2025
34AQI
34AQI
25th July 2025
39AQI
39AQI
26th July 2025
40AQI
40AQI
27th July 2025
43AQI
43AQI
28th July 2025
52AQI
52AQI
29th July 2025
57AQI
57AQI
30th July 2025
62AQI
62AQI
31st July 2025
50AQI
50AQI
1st August 2025
51AQI
51AQI
44AQI
43AQI
38AQI
43AQI
49AQI
51AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202543AQI
3
2
21
9
28
3
21
9
15
16
1
88
40
Highest AQI recorded in
August51AQI
Lowest AQI recorded in
May38AQI
Most & Least Polluted Years Over the Last 1 Years
Most Polluted Year Recorded
2025(Avg.)
43AQILeast Polluted Year Recorded
2025(Avg.)
43AQIPort Arthur's annual 2025 AQI (43) shows an average percentage change of NaN% (improved AQI) compared to previous years: .
