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
2026
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
20th Aug 2025
57AQILowest AQI recorded on
10th Aug 2025
28AQISame Day Analysis (8th August):
On this day, AQI across the 2 years varied significantly: 2026 ranks 1st highest AQI at 44 of Good air quality on the same day.
Day & Night AQI Trend: 7th Aug - 8th Aug 2026
Port Arthur, Texas, United States
AQI
Day
Night
.
6 AM7th Aug 2026
8 PM
5 AM8th Aug 2026
Day time
Avg. Highest Time
7AM7th Aug
54AQI
Avg. Lowest Time
10AM7th Aug
41AQI
Night time
Avg. Highest Time
9PM7th Aug
51AQI
Avg. Lowest Time
5AM8th Aug
41AQI
In the last 24 hours,
Port Arthur's AQI reached its highest point of 54 at 7 AM during the Day, while the lowest point, 41, was recorded at 5 AM during the Night between 7th Aug and 8th Aug 2026.
Day & Night AQI Trend : Jul - Aug 2026
Port Arthur, Texas, United States
JulAug
10th - 11th11th - 12th12th - 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
Day
Night
10th Jul 2026326 AMAQI
10th Jul 2026337 AMAQI
10th Jul 2026348 AMAQI
10th Jul 2026379 AMAQI
10th Jul 20263510 AMAQI
10th Jul 20263511 AMAQI
10th Jul 20263612 PMAQI
10th Jul 2026311 PMAQI
10th Jul 2026302 PMAQI
10th Jul 2026343 PMAQI
10th Jul 2026354 PMAQI
10th Jul 2026365 PMAQI
10th Jul 2026356 PMAQI
10th Jul 2026377 PMAQI
10th Jul 2026388 PMAQI
10th Jul 2026319 PMAQI
10th Jul 20263010 PMAQI
10th Jul 20262711 PMAQI
11th Jul 20262612 AMAQI
11th Jul 2026241 AMAQI
11th Jul 2026382 AMAQI
11th Jul 2026373 AMAQI
11th Jul 2026324 AMAQI
11th Jul 2026315 AMAQI
29°C25/35°C
11th Jul 2026296 AMAQI
11th Jul 2026337 AMAQI
11th Jul 2026358 AMAQI
11th Jul 2026339 AMAQI
11th Jul 20263310 AMAQI
11th Jul 20263311 AMAQI
11th Jul 20263412 PMAQI
11th Jul 2026331 PMAQI
11th Jul 2026412 PMAQI
11th Jul 2026303 PMAQI
11th Jul 2026334 PMAQI
11th Jul 2026325 PMAQI
11th Jul 2026316 PMAQI
11th Jul 2026317 PMAQI
11th Jul 2026338 PMAQI
11th Jul 2026289 PMAQI
11th Jul 20262710 PMAQI
11th Jul 20262511 PMAQI
12th Jul 20262412 AMAQI
12th Jul 2026241 AMAQI
12th Jul 2026232 AMAQI
12th Jul 2026303 AMAQI
12th Jul 2026304 AMAQI
12th Jul 2026255 AMAQI
27°C25/32°C
12th Jul 2026436 AMAQI
12th Jul 2026327 AMAQI
12th Jul 2026328 AMAQI
12th Jul 2026319 AMAQI
12th Jul 20263110 AMAQI
12th Jul 20263111 AMAQI
12th Jul 20263012 PMAQI
12th Jul 2026311 PMAQI
12th Jul 2026292 PMAQI
12th Jul 2026303 PMAQI
12th Jul 2026304 PMAQI
12th Jul 2026305 PMAQI
12th Jul 2026306 PMAQI
12th Jul 2026317 PMAQI
12th Jul 2026318 PMAQI
12th Jul 2026289 PMAQI
12th Jul 20262710 PMAQI
12th Jul 20262511 PMAQI
13th Jul 20262312 AMAQI
13th Jul 2026231 AMAQI
13th Jul 2026142 AMAQI
13th Jul 2026313 AMAQI
13th Jul 2026324 AMAQI
13th Jul 2026315 AMAQI
28°C24/35°C
13th Jul 2026336 AMAQI
13th Jul 2026327 AMAQI
13th Jul 2026348 AMAQI
13th Jul 2026369 AMAQI
13th Jul 20263410 AMAQI
13th Jul 20263311 AMAQI
13th Jul 20263512 PMAQI
13th Jul 2026331 PMAQI
13th Jul 2026282 PMAQI
13th Jul 2026333 PMAQI
13th Jul 2026314 PMAQI
13th Jul 2026325 PMAQI
13th Jul 2026296 PMAQI
13th Jul 2026357 PMAQI
13th Jul 2026338 PMAQI
13th Jul 2026439 PMAQI
13th Jul 20262510 PMAQI
13th Jul 20262211 PMAQI
14th Jul 20262212 AMAQI
14th Jul 2026211 AMAQI
14th Jul 2026322 AMAQI
14th Jul 2026323 AMAQI
14th Jul 2026324 AMAQI
14th Jul 2026325 AMAQI
26°C24/30°C
14th Jul 2026316 AMAQI
14th Jul 2026337 AMAQI
14th Jul 2026438 AMAQI
14th Jul 2026349 AMAQI
14th Jul 20263710 AMAQI
14th Jul 20263611 AMAQI
14th Jul 20263412 PMAQI
14th Jul 2026341 PMAQI
14th Jul 2026282 PMAQI
14th Jul 2026343 PMAQI
14th Jul 2026274 PMAQI
14th Jul 2026335 PMAQI
14th Jul 2026316 PMAQI
14th Jul 2026307 PMAQI
14th Jul 2026328 PMAQI
14th Jul 2026289 PMAQI
14th Jul 20264410 PMAQI
14th Jul 20262211 PMAQI
15th Jul 20262212 AMAQI
15th Jul 2026201 AMAQI
15th Jul 2026252 AMAQI
15th Jul 2026293 AMAQI
15th Jul 2026264 AMAQI
15th Jul 2026245 AMAQI
25°C23/30°C
15th Jul 2026276 AMAQI
15th Jul 2026257 AMAQI
15th Jul 2026438 AMAQI
15th Jul 2026259 AMAQI
15th Jul 20263010 AMAQI
15th Jul 20262811 AMAQI
15th Jul 20263112 PMAQI
15th Jul 2026301 PMAQI
15th Jul 2026352 PMAQI
15th Jul 2026313 PMAQI
15th Jul 2026314 PMAQI
15th Jul 2026305 PMAQI
15th Jul 2026316 PMAQI
15th Jul 2026327 PMAQI
15th Jul 2026348 PMAQI
15th Jul 2026299 PMAQI
15th Jul 20262910 PMAQI
15th Jul 20262711 PMAQI
16th Jul 20262612 AMAQI
16th Jul 2026251 AMAQI
16th Jul 2026242 AMAQI
16th Jul 2026273 AMAQI
16th Jul 2026304 AMAQI
16th Jul 2026475 AMAQI
26°C24/32°C
16th Jul 2026306 AMAQI
16th Jul 2026307 AMAQI
16th Jul 2026288 AMAQI
16th Jul 2026319 AMAQI
16th Jul 20263010 AMAQI
16th Jul 20263211 AMAQI
16th Jul 20263112 PMAQI
16th Jul 2026311 PMAQI
16th Jul 2026482 PMAQI
16th Jul 2026313 PMAQI
16th Jul 2026314 PMAQI
16th Jul 2026305 PMAQI
16th Jul 2026276 PMAQI
16th Jul 2026297 PMAQI
16th Jul 2026318 PMAQI
16th Jul 2026289 PMAQI
16th Jul 20262810 PMAQI
16th Jul 20262611 PMAQI
17th Jul 20262512 AMAQI
17th Jul 2026231 AMAQI
17th Jul 2026532 AMAQI
17th Jul 2026423 AMAQI
17th Jul 2026504 AMAQI
17th Jul 2026505 AMAQI
30°C26/35°C
17th Jul 2026456 AMAQI
17th Jul 2026417 AMAQI
17th Jul 2026268 AMAQI
17th Jul 2026279 AMAQI
17th Jul 20263810 AMAQI
17th Jul 20264211 AMAQI
17th Jul 20265112 PMAQI
17th Jul 2026551 PMAQI
17th Jul 2026542 PMAQI
17th Jul 2026573 PMAQI
17th Jul 2026544 PMAQI
17th Jul 2026545 PMAQI
17th Jul 2026496 PMAQI
17th Jul 2026497 PMAQI
17th Jul 2026468 PMAQI
17th Jul 2026479 PMAQI
17th Jul 20264710 PMAQI
17th Jul 20265211 PMAQI
18th Jul 20264912 AMAQI
18th Jul 2026501 AMAQI
18th Jul 2026472 AMAQI
18th Jul 2026453 AMAQI
18th Jul 2026484 AMAQI
18th Jul 2026485 AMAQI
30°C25/37°C
18th Jul 2026476 AMAQI
18th Jul 2026497 AMAQI
18th Jul 2026478 AMAQI
18th Jul 2026489 AMAQI
18th Jul 20264510 AMAQI
18th Jul 20264311 AMAQI
18th Jul 20265112 PMAQI
18th Jul 2026531 PMAQI
18th Jul 2026522 PMAQI
18th Jul 2026513 PMAQI
18th Jul 2026524 PMAQI
18th Jul 2026535 PMAQI
18th Jul 2026526 PMAQI
18th Jul 2026557 PMAQI
18th Jul 2026548 PMAQI
18th Jul 2026519 PMAQI
18th Jul 20265010 PMAQI
18th Jul 20265111 PMAQI
19th Jul 20265312 AMAQI
19th Jul 2026521 AMAQI
19th Jul 2026512 AMAQI
19th Jul 2026503 AMAQI
19th Jul 2026514 AMAQI
19th Jul 2026495 AMAQI
30°C26/37°C
19th Jul 2026486 AMAQI
19th Jul 2026447 AMAQI
19th Jul 2026458 AMAQI
19th Jul 2026499 AMAQI
19th Jul 20264910 AMAQI
19th Jul 20264411 AMAQI
19th Jul 20265112 PMAQI
19th Jul 2026501 PMAQI
19th Jul 2026532 PMAQI
19th Jul 2026563 PMAQI
19th Jul 2026564 PMAQI
19th Jul 2026555 PMAQI
19th Jul 2026606 PMAQI
19th Jul 2026607 PMAQI
19th Jul 2026628 PMAQI
19th Jul 2026609 PMAQI
19th Jul 20265710 PMAQI
19th Jul 20266211 PMAQI
20th Jul 20265812 AMAQI
20th Jul 2026561 AMAQI
20th Jul 2026552 AMAQI
20th Jul 2026533 AMAQI
20th Jul 2026544 AMAQI
20th Jul 2026545 AMAQI
31°C24/38°C
20th Jul 2026556 AMAQI
20th Jul 2026557 AMAQI
20th Jul 2026538 AMAQI
20th Jul 2026459 AMAQI
20th Jul 20264810 AMAQI
20th Jul 20265611 AMAQI
20th Jul 20265912 PMAQI
20th Jul 2026611 PMAQI
20th Jul 2026672 PMAQI
20th Jul 2026663 PMAQI
20th Jul 2026634 PMAQI
20th Jul 2026625 PMAQI
20th Jul 2026616 PMAQI
20th Jul 2026627 PMAQI
20th Jul 2026638 PMAQI
20th Jul 2026589 PMAQI
20th Jul 20265811 PMAQI
21st Jul 20265912 AMAQI
21st Jul 2026631 AMAQI
21st Jul 2026642 AMAQI
21st Jul 2026633 AMAQI
21st Jul 2026654 AMAQI
21st Jul 2026595 AMAQI
31°C25/38°C
21st Jul 2026636 AMAQI
21st Jul 2026577 AMAQI
21st Jul 2026548 AMAQI
21st Jul 2026559 AMAQI
21st Jul 20265710 AMAQI
21st Jul 20266011 AMAQI
21st Jul 20265712 PMAQI
21st Jul 2026591 PMAQI
21st Jul 2026572 PMAQI
21st Jul 2026603 PMAQI
21st Jul 2026574 PMAQI
21st Jul 2026555 PMAQI
21st Jul 2026556 PMAQI
21st Jul 2026587 PMAQI
21st Jul 2026608 PMAQI
21st Jul 2026599 PMAQI
21st Jul 20265710 PMAQI
21st Jul 20266011 PMAQI
22nd Jul 20266212 AMAQI
22nd Jul 2026601 AMAQI
22nd Jul 2026592 AMAQI
22nd Jul 2026583 AMAQI
22nd Jul 2026584 AMAQI
22nd Jul 2026595 AMAQI
31°C25/39°C
22nd Jul 2026596 AMAQI
22nd Jul 2026607 AMAQI
22nd Jul 2026618 AMAQI
22nd Jul 2026619 AMAQI
22nd Jul 20266310 AMAQI
22nd Jul 20266011 AMAQI
22nd Jul 20265912 PMAQI
22nd Jul 2026561 PMAQI
22nd Jul 2026602 PMAQI
22nd Jul 2026623 PMAQI
22nd Jul 2026644 PMAQI
22nd Jul 2026645 PMAQI
22nd Jul 2026626 PMAQI
22nd Jul 2026647 PMAQI
22nd Jul 2026708 PMAQI
22nd Jul 2026659 PMAQI
22nd Jul 20265910 PMAQI
22nd Jul 20265811 PMAQI
23rd Jul 20266112 AMAQI
23rd Jul 2026591 AMAQI
23rd Jul 2026582 AMAQI
23rd Jul 2026573 AMAQI
23rd Jul 2026524 AMAQI
23rd Jul 2026525 AMAQI
32°C27/41°C
23rd Jul 2026526 AMAQI
23rd Jul 2026567 AMAQI
23rd Jul 2026638 AMAQI
23rd Jul 2026539 AMAQI
23rd Jul 20265110 AMAQI
23rd Jul 20265111 AMAQI
23rd Jul 20264712 PMAQI
23rd Jul 2026521 PMAQI
23rd Jul 2026422 PMAQI
23rd Jul 2026603 PMAQI
23rd Jul 2026724 PMAQI
23rd Jul 2026675 PMAQI
23rd Jul 2026596 PMAQI
23rd Jul 2026617 PMAQI
23rd Jul 2026588 PMAQI
23rd Jul 2026609 PMAQI
23rd Jul 20265910 PMAQI
23rd Jul 20265411 PMAQI
24th Jul 20264912 AMAQI
24th Jul 2026511 AMAQI
24th Jul 2026542 AMAQI
24th Jul 2026523 AMAQI
24th Jul 2026484 AMAQI
24th Jul 2026485 AMAQI
27°C26/31°C
24th Jul 2026516 AMAQI
24th Jul 2026477 AMAQI
24th Jul 2026458 AMAQI
24th Jul 2026499 AMAQI
24th Jul 20264310 AMAQI
24th Jul 20264511 AMAQI
24th Jul 20265012 PMAQI
24th Jul 2026571 PMAQI
24th Jul 2026572 PMAQI
24th Jul 2026553 PMAQI
24th Jul 2026554 PMAQI
24th Jul 2026565 PMAQI
24th Jul 2026576 PMAQI
24th Jul 2026577 PMAQI
24th Jul 2026578 PMAQI
24th Jul 2026579 PMAQI
24th Jul 20265610 PMAQI
24th Jul 20265811 PMAQI
25th Jul 20265812 AMAQI
25th Jul 2026571 AMAQI
25th Jul 2026572 AMAQI
25th Jul 2026563 AMAQI
25th Jul 2026544 AMAQI
25th Jul 2026545 AMAQI
30°C25/35°C
25th Jul 2026526 AMAQI
25th Jul 2026567 AMAQI
25th Jul 2026508 AMAQI
25th Jul 2026379 AMAQI
25th Jul 20264410 AMAQI
25th Jul 20264711 AMAQI
25th Jul 20265612 PMAQI
25th Jul 2026561 PMAQI
25th Jul 2026612 PMAQI
25th Jul 2026593 PMAQI
25th Jul 2026564 PMAQI
25th Jul 2026555 PMAQI
25th Jul 2026536 PMAQI
25th Jul 2026547 PMAQI
25th Jul 2026538 PMAQI
25th Jul 2026529 PMAQI
25th Jul 20263710 PMAQI
25th Jul 20265211 PMAQI
26th Jul 20265012 AMAQI
26th Jul 2026471 AMAQI
26th Jul 2026482 AMAQI
26th Jul 2026433 AMAQI
26th Jul 2026564 AMAQI
26th Jul 2026585 AMAQI
30°C25/36°C
26th Jul 2026466 AMAQI
26th Jul 2026507 AMAQI
26th Jul 2026458 AMAQI
26th Jul 2026589 AMAQI
26th Jul 20265710 AMAQI
26th Jul 20265211 AMAQI
26th Jul 20264612 PMAQI
26th Jul 2026521 PMAQI
26th Jul 2026462 PMAQI
26th Jul 2026413 PMAQI
26th Jul 2026374 PMAQI
26th Jul 2026425 PMAQI
26th Jul 2026546 PMAQI
26th Jul 2026297 PMAQI
26th Jul 2026348 PMAQI
26th Jul 2026539 PMAQI
26th Jul 20264710 PMAQI
26th Jul 20265711 PMAQI
27th Jul 20264712 AMAQI
27th Jul 2026491 AMAQI
27th Jul 2026462 AMAQI
27th Jul 2026463 AMAQI
27th Jul 2026544 AMAQI
27th Jul 2026395 AMAQI
29°C24/35°C
27th Jul 2026426 AMAQI
27th Jul 2026527 AMAQI
27th Jul 2026468 AMAQI
27th Jul 2026499 AMAQI
27th Jul 20265410 AMAQI
27th Jul 20264511 AMAQI
27th Jul 20265012 PMAQI
27th Jul 2026511 PMAQI
27th Jul 2026512 PMAQI
27th Jul 2026503 PMAQI
27th Jul 2026504 PMAQI
27th Jul 2026525 PMAQI
27th Jul 2026246 PMAQI
27th Jul 2026267 PMAQI
27th Jul 2026288 PMAQI
27th Jul 2026289 PMAQI
27th Jul 20263910 PMAQI
27th Jul 20265111 PMAQI
28th Jul 20263612 AMAQI
28th Jul 2026371 AMAQI
28th Jul 2026442 AMAQI
28th Jul 2026513 AMAQI
28th Jul 2026504 AMAQI
28th Jul 2026515 AMAQI
30°C25/36°C
28th Jul 2026426 AMAQI
28th Jul 2026467 AMAQI
28th Jul 2026438 AMAQI
28th Jul 2026339 AMAQI
28th Jul 20264310 AMAQI
28th Jul 20264611 AMAQI
28th Jul 20264412 PMAQI
28th Jul 2026441 PMAQI
28th Jul 2026472 PMAQI
28th Jul 2026493 PMAQI
28th Jul 2026474 PMAQI
28th Jul 2026455 PMAQI
28th Jul 2026506 PMAQI
28th Jul 2026507 PMAQI
28th Jul 2026468 PMAQI
28th Jul 2026479 PMAQI
28th Jul 20264510 PMAQI
28th Jul 20264811 PMAQI
29th Jul 20264412 AMAQI
29th Jul 2026471 AMAQI
29th Jul 2026502 AMAQI
29th Jul 2026493 AMAQI
29th Jul 2026494 AMAQI
29th Jul 2026465 AMAQI
30°C24/38°C
29th Jul 2026416 AMAQI
29th Jul 2026487 AMAQI
29th Jul 2026438 AMAQI
29th Jul 2026269 AMAQI
29th Jul 20264110 AMAQI
29th Jul 20264611 AMAQI
29th Jul 20264412 PMAQI
29th Jul 2026431 PMAQI
29th Jul 2026462 PMAQI
29th Jul 2026443 PMAQI
29th Jul 2026454 PMAQI
29th Jul 2026445 PMAQI
29th Jul 2026456 PMAQI
29th Jul 2026417 PMAQI
29th Jul 2026418 PMAQI
29th Jul 2026419 PMAQI
29th Jul 20264610 PMAQI
29th Jul 20264611 PMAQI
30th Jul 20263212 AMAQI
30th Jul 2026511 AMAQI
30th Jul 2026502 AMAQI
30th Jul 2026403 AMAQI
30th Jul 2026504 AMAQI
30th Jul 2026525 AMAQI
30°C24/35°C
30th Jul 2026526 AMAQI
30th Jul 2026517 AMAQI
30th Jul 2026488 AMAQI
30th Jul 2026529 AMAQI
30th Jul 20264910 AMAQI
30th Jul 20265111 AMAQI
30th Jul 20265412 PMAQI
30th Jul 2026581 PMAQI
30th Jul 2026492 PMAQI
30th Jul 2026523 PMAQI
30th Jul 2026544 PMAQI
30th Jul 2026525 PMAQI
30th Jul 2026546 PMAQI
30th Jul 2026427 PMAQI
30th Jul 2026528 PMAQI
30th Jul 2026549 PMAQI
30th Jul 20265410 PMAQI
30th Jul 20265711 PMAQI
31st Jul 20265412 AMAQI
31st Jul 2026521 AMAQI
31st Jul 2026502 AMAQI
31st Jul 2026433 AMAQI
31st Jul 2026504 AMAQI
31st Jul 2026515 AMAQI
30°C25/39°C
31st Jul 2026416 AMAQI
31st Jul 2026537 AMAQI
31st Jul 2026558 AMAQI
31st Jul 2026529 AMAQI
31st Jul 20263510 AMAQI
31st Jul 20264611 AMAQI
31st Jul 20264212 PMAQI
31st Jul 2026501 PMAQI
31st Jul 2026442 PMAQI
31st Jul 2026453 PMAQI
31st Jul 2026504 PMAQI
31st Jul 2026475 PMAQI
31st Jul 2026486 PMAQI
31st Jul 2026517 PMAQI
31st Jul 2026518 PMAQI
31st Jul 2026529 PMAQI
31st Jul 20264510 PMAQI
31st Jul 20264811 PMAQI
1st Aug 20264512 AMAQI
1st Aug 2026461 AMAQI
1st Aug 2026632 AMAQI
1st Aug 2026523 AMAQI
1st Aug 2026414 AMAQI
1st Aug 2026515 AMAQI
30°C24/38°C
1st Aug 2026546 AMAQI
1st Aug 2026537 AMAQI
1st Aug 2026538 AMAQI
1st Aug 2026549 AMAQI
1st Aug 20265310 AMAQI
1st Aug 20265011 AMAQI
1st Aug 20265012 PMAQI
1st Aug 2026521 PMAQI
1st Aug 2026472 PMAQI
1st Aug 2026433 PMAQI
1st Aug 2026504 PMAQI
1st Aug 2026465 PMAQI
1st Aug 2026466 PMAQI
1st Aug 2026337 PMAQI
1st Aug 2026358 PMAQI
1st Aug 2026519 PMAQI
1st Aug 20265010 PMAQI
1st Aug 20265111 PMAQI
2nd Aug 20265312 AMAQI
2nd Aug 2026501 AMAQI
2nd Aug 2026482 AMAQI
2nd Aug 2026483 AMAQI
2nd Aug 2026424 AMAQI
2nd Aug 2026405 AMAQI
31°C25/38°C
2nd Aug 2026416 AMAQI
2nd Aug 2026427 AMAQI
2nd Aug 2026398 AMAQI
2nd Aug 2026489 AMAQI
2nd Aug 20265010 AMAQI
2nd Aug 20264611 AMAQI
2nd Aug 20264612 PMAQI
2nd Aug 2026511 PMAQI
2nd Aug 2026502 PMAQI
2nd Aug 2026573 PMAQI
2nd Aug 2026544 PMAQI
2nd Aug 2026395 PMAQI
2nd Aug 2026406 PMAQI
2nd Aug 2026357 PMAQI
2nd Aug 2026268 PMAQI
2nd Aug 2026479 PMAQI
2nd Aug 20264810 PMAQI
2nd Aug 20265011 PMAQI
3rd Aug 20264612 AMAQI
3rd Aug 2026501 AMAQI
3rd Aug 2026462 AMAQI
3rd Aug 2026483 AMAQI
3rd Aug 2026434 AMAQI
3rd Aug 2026465 AMAQI
31°C26/37°C
3rd Aug 2026506 AMAQI
3rd Aug 2026467 AMAQI
3rd Aug 2026528 AMAQI
3rd Aug 2026529 AMAQI
3rd Aug 20265210 AMAQI
3rd Aug 20264411 AMAQI
3rd Aug 20264112 PMAQI
3rd Aug 2026571 PMAQI
3rd Aug 2026512 PMAQI
3rd Aug 2026553 PMAQI
3rd Aug 2026534 PMAQI
3rd Aug 2026545 PMAQI
3rd Aug 2026546 PMAQI
3rd Aug 2026427 PMAQI
3rd Aug 2026298 PMAQI
3rd Aug 2026569 PMAQI
3rd Aug 20265510 PMAQI
3rd Aug 20264711 PMAQI
4th Aug 20264112 AMAQI
4th Aug 2026461 AMAQI
4th Aug 2026522 AMAQI
4th Aug 2026593 AMAQI
4th Aug 2026584 AMAQI
4th Aug 2026415 AMAQI
30°C24/37°C
4th Aug 2026426 AMAQI
4th Aug 2026537 AMAQI
4th Aug 2026538 AMAQI
4th Aug 2026389 AMAQI
4th Aug 20264510 AMAQI
4th Aug 20265411 AMAQI
4th Aug 20265412 PMAQI
4th Aug 2026551 PMAQI
4th Aug 2026532 PMAQI
4th Aug 2026533 PMAQI
4th Aug 2026544 PMAQI
4th Aug 2026535 PMAQI
4th Aug 2026546 PMAQI
4th Aug 2026557 PMAQI
4th Aug 2026548 PMAQI
4th Aug 2026549 PMAQI
4th Aug 20265610 PMAQI
4th Aug 20265411 PMAQI
5th Aug 20265512 AMAQI
5th Aug 2026571 AMAQI
5th Aug 2026562 AMAQI
5th Aug 2026573 AMAQI
5th Aug 2026564 AMAQI
5th Aug 2026565 AMAQI
30°C24/38°C
5th Aug 2026566 AMAQI
5th Aug 2026557 AMAQI
5th Aug 2026558 AMAQI
5th Aug 2026549 AMAQI
5th Aug 20265410 AMAQI
5th Aug 20265411 AMAQI
5th Aug 20265612 PMAQI
5th Aug 2026561 PMAQI
5th Aug 2026582 PMAQI
5th Aug 2026593 PMAQI
5th Aug 2026574 PMAQI
5th Aug 2026585 PMAQI
5th Aug 2026566 PMAQI
5th Aug 2026557 PMAQI
5th Aug 2026548 PMAQI
5th Aug 2026549 PMAQI
5th Aug 20265410 PMAQI
5th Aug 20265511 PMAQI
6th Aug 20265512 AMAQI
6th Aug 2026551 AMAQI
6th Aug 2026542 AMAQI
6th Aug 2026543 AMAQI
6th Aug 2026544 AMAQI
6th Aug 2026535 AMAQI
30°C25/36°C
6th Aug 2026516 AMAQI
6th Aug 2026467 AMAQI
6th Aug 2026458 AMAQI
6th Aug 2026479 AMAQI
6th Aug 20265010 AMAQI
6th Aug 20265011 AMAQI
6th Aug 20265312 PMAQI
6th Aug 2026491 PMAQI
6th Aug 2026472 PMAQI
6th Aug 2026493 PMAQI
6th Aug 2026494 PMAQI
6th Aug 2026435 PMAQI
6th Aug 2026426 PMAQI
6th Aug 2026427 PMAQI
6th Aug 2026478 PMAQI
6th Aug 2026479 PMAQI
6th Aug 20264310 PMAQI
6th Aug 20264511 PMAQI
7th Aug 20263912 AMAQI
7th Aug 2026551 AMAQI
7th Aug 2026502 AMAQI
7th Aug 2026513 AMAQI
7th Aug 2026514 AMAQI
7th Aug 2026525 AMAQI
30°C25/35°C
7th Aug 2026526 AMAQI
7th Aug 2026547 AMAQI
7th Aug 2026508 AMAQI
7th Aug 2026539 AMAQI
7th Aug 20264110 AMAQI
7th Aug 20264311 AMAQI
7th Aug 20264512 PMAQI
7th Aug 2026481 PMAQI
7th Aug 2026472 PMAQI
7th Aug 2026513 PMAQI
7th Aug 2026524 PMAQI
7th Aug 2026475 PMAQI
7th Aug 2026456 PMAQI
7th Aug 2026457 PMAQI
7th Aug 2026438 PMAQI
7th Aug 2026519 PMAQI
7th Aug 20265010 PMAQI
7th Aug 20265011 PMAQI
8th Aug 20264312 AMAQI
8th Aug 2026441 AMAQI
8th Aug 2026412 AMAQI
8th Aug 2026453 AMAQI
8th Aug 2026434 AMAQI
8th Aug 2026415 AMAQI
30°C24/37°C
8th Aug 2026416 AMAQI
6 AM8th Aug 2026447 AMAQI
8th Aug 2026468 AMAQI
8th Aug 2026449 AMAQI
8th Aug 20264310 AMAQI
8th Aug 20264511 AMAQI
8th Aug 20264312 PMAQI
8th Aug 2026501 PMAQI
1 PM8th Aug 2026472 PMAQI
8th Aug 2026523 PMAQI
8th Aug 2026464 PMAQI
8th Aug 2026445 PMAQI
8th Aug 2026396 PMAQI
8th Aug 2026417 PMAQI
8th Aug 2026408 PMAQI
8 PM8th Aug 2026469 PMAQI
8th Aug 20265110 PMAQI
8th Aug 20264711 PMAQI
1 AM
5 AM
29°C24/35°C
Day time
Avg. Highest Time
1 PM - 6 PM
48AQI
6 hours / Day
180 hours / Month
Avg. Lowest Time
9 AM - 12 PM
45AQI
4 hours / Day
120 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 1 PM to 6 PM (Avg. 48), while the lowest AQI was between 9 AM to 12 PM (Avg. 45).
Night time
Avg. Highest Time
2 AM - 9 PM
46AQI
5 hours / Day
150 hours / Month
Avg. Lowest Time
12 AM - 1 AM
44AQI
2 hours / Day
60 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 2 AM to 9 PM (Avg. 46), while the lowest AQI was between 12 AM to 1 AM (Avg. 44).
2026 Days Vs Air Quality
Port Arthur, Texas, United States
2026
82%
178
18%
39
Total number of days with different AQI categories in last 220 days in 2026 (145 days remaining)
Good
178 DaysModerate
39 DaysPoor
0 DaysUnhealthy
0 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 82%
Health Risk Level:
Low
In 2026, 82% of 220 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
Port Arthur, Texas, 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
53AQI (US)
53AQI (US)
2nd January 2026
22AQI (US)
22AQI (US)
3rd January 2026
37AQI (US)
37AQI (US)
4th January 2026
30AQI (US)
30AQI (US)
5th January 2026
38AQI (US)
38AQI (US)
6th January 2026
37AQI (US)
37AQI (US)
7th January 2026
47AQI (US)
47AQI (US)
8th January 2026
34AQI (US)
34AQI (US)
9th January 2026
31AQI (US)
31AQI (US)
10th January 2026
24AQI (US)
24AQI (US)
11th January 2026
17AQI (US)
17AQI (US)
12th January 2026
21AQI (US)
21AQI (US)
13th January 2026
42AQI (US)
42AQI (US)
14th January 2026
36AQI (US)
36AQI (US)
15th January 2026
23AQI (US)
23AQI (US)
16th January 2026
34AQI (US)
34AQI (US)
17th January 2026
21AQI (US)
21AQI (US)
18th January 2026
25AQI (US)
25AQI (US)
19th January 2026
37AQI (US)
37AQI (US)
20th January 2026
30AQI (US)
30AQI (US)
21st January 2026
32AQI (US)
32AQI (US)
22nd January 2026
53AQI (US)
53AQI (US)
23rd January 2026
55AQI (US)
55AQI (US)
24th January 2026
49AQI (US)
49AQI (US)
25th January 2026
53AQI (US)
53AQI (US)
26th January 2026
50AQI (US)
50AQI (US)
27th January 2026
46AQI (US)
46AQI (US)
28th January 2026
49AQI (US)
49AQI (US)
29th January 2026
52AQI (US)
52AQI (US)
30th January 2026
52AQI (US)
52AQI (US)
31st January 2026
48AQI (US)
48AQI (US)
1st February 2026
53AQI (US)
53AQI (US)
2nd February 2026
55AQI (US)
55AQI (US)
3rd February 2026
52AQI (US)
52AQI (US)
4th February 2026
52AQI (US)
52AQI (US)
5th February 2026
49AQI (US)
49AQI (US)
6th February 2026
45AQI (US)
45AQI (US)
7th February 2026
45AQI (US)
45AQI (US)
8th February 2026
49AQI (US)
49AQI (US)
9th February 2026
50AQI (US)
50AQI (US)
10th February 2026
50AQI (US)
50AQI (US)
11th February 2026
47AQI (US)
47AQI (US)
12th February 2026
53AQI (US)
53AQI (US)
13th February 2026
58AQI (US)
58AQI (US)
14th February 2026
60AQI (US)
60AQI (US)
15th February 2026
53AQI (US)
53AQI (US)
16th February 2026
55AQI (US)
55AQI (US)
17th February 2026
57AQI (US)
57AQI (US)
18th February 2026
52AQI (US)
52AQI (US)
19th February 2026
54AQI (US)
54AQI (US)
20th February 2026
45AQI (US)
45AQI (US)
21st February 2026
45AQI (US)
45AQI (US)
22nd February 2026
44AQI (US)
44AQI (US)
23rd February 2026
49AQI (US)
49AQI (US)
24th February 2026
49AQI (US)
49AQI (US)
25th February 2026
45AQI (US)
45AQI (US)
26th February 2026
41AQI (US)
41AQI (US)
27th February 2026
37AQI (US)
37AQI (US)
28th February 2026
44AQI (US)
44AQI (US)
1st March 2026
55AQI (US)
55AQI (US)
2nd March 2026
53AQI (US)
53AQI (US)
3rd March 2026
46AQI (US)
46AQI (US)
4th March 2026
45AQI (US)
45AQI (US)
5th March 2026
41AQI (US)
41AQI (US)
6th March 2026
41AQI (US)
41AQI (US)
7th March 2026
44AQI (US)
44AQI (US)
8th March 2026
45AQI (US)
45AQI (US)
9th March 2026
43AQI (US)
43AQI (US)
10th March 2026
43AQI (US)
43AQI (US)
11th March 2026
39AQI (US)
39AQI (US)
12th March 2026
42AQI (US)
42AQI (US)
13th March 2026
39AQI (US)
39AQI (US)
14th March 2026
37AQI (US)
37AQI (US)
15th March 2026
40AQI (US)
40AQI (US)
16th March 2026
37AQI (US)
37AQI (US)
17th March 2026
37AQI (US)
37AQI (US)
18th March 2026
34AQI (US)
34AQI (US)
19th March 2026
36AQI (US)
36AQI (US)
20th March 2026
37AQI (US)
37AQI (US)
21st March 2026
36AQI (US)
36AQI (US)
22nd March 2026
36AQI (US)
36AQI (US)
23rd March 2026
46AQI (US)
46AQI (US)
24th March 2026
40AQI (US)
40AQI (US)
25th March 2026
38AQI (US)
38AQI (US)
26th March 2026
38AQI (US)
38AQI (US)
27th March 2026
38AQI (US)
38AQI (US)
28th March 2026
34AQI (US)
34AQI (US)
29th March 2026
37AQI (US)
37AQI (US)
30th March 2026
41AQI (US)
41AQI (US)
31st March 2026
32AQI (US)
32AQI (US)
1st April 2026
35AQI (US)
35AQI (US)
2nd April 2026
36AQI (US)
36AQI (US)
3rd April 2026
31AQI (US)
31AQI (US)
4th April 2026
33AQI (US)
33AQI (US)
5th April 2026
34AQI (US)
34AQI (US)
6th April 2026
35AQI (US)
35AQI (US)
7th April 2026
31AQI (US)
31AQI (US)
8th April 2026
41AQI (US)
41AQI (US)
9th April 2026
33AQI (US)
33AQI (US)
10th April 2026
37AQI (US)
37AQI (US)
11th April 2026
36AQI (US)
36AQI (US)
12th April 2026
34AQI (US)
34AQI (US)
13th April 2026
37AQI (US)
37AQI (US)
14th April 2026
38AQI (US)
38AQI (US)
15th April 2026
40AQI (US)
40AQI (US)
16th April 2026
38AQI (US)
38AQI (US)
17th April 2026
18th April 2026
41AQI (US)
41AQI (US)
19th April 2026
42AQI (US)
42AQI (US)
20th April 2026
33AQI (US)
33AQI (US)
21st April 2026
34AQI (US)
34AQI (US)
22nd April 2026
23rd April 2026
34AQI (US)
34AQI (US)
24th April 2026
43AQI (US)
43AQI (US)
25th April 2026
48AQI (US)
48AQI (US)
26th April 2026
39AQI (US)
39AQI (US)
27th April 2026
33AQI (US)
33AQI (US)
28th April 2026
40AQI (US)
40AQI (US)
29th April 2026
28AQI (US)
28AQI (US)
30th April 2026
31AQI (US)
31AQI (US)
1st May 2026
30AQI (US)
30AQI (US)
2nd May 2026
31AQI (US)
31AQI (US)
3rd May 2026
25AQI (US)
25AQI (US)
4th May 2026
31AQI (US)
31AQI (US)
5th May 2026
40AQI (US)
40AQI (US)
6th May 2026
39AQI (US)
39AQI (US)
7th May 2026
33AQI (US)
33AQI (US)
8th May 2026
37AQI (US)
37AQI (US)
9th May 2026
10th May 2026
40AQI (US)
40AQI (US)
11th May 2026
39AQI (US)
39AQI (US)
12th May 2026
41AQI (US)
41AQI (US)
13th May 2026
39AQI (US)
39AQI (US)
14th May 2026
34AQI (US)
34AQI (US)
15th May 2026
47AQI (US)
47AQI (US)
16th May 2026
54AQI (US)
54AQI (US)
17th May 2026
60AQI (US)
60AQI (US)
18th May 2026
59AQI (US)
59AQI (US)
19th May 2026
58AQI (US)
58AQI (US)
20th May 2026
54AQI (US)
54AQI (US)
21st May 2026
51AQI (US)
51AQI (US)
22nd May 2026
63AQI (US)
63AQI (US)
23rd May 2026
62AQI (US)
62AQI (US)
24th May 2026
58AQI (US)
58AQI (US)
25th May 2026
56AQI (US)
56AQI (US)
26th May 2026
28AQI (US)
28AQI (US)
27th May 2026
29AQI (US)
29AQI (US)
28th May 2026
28AQI (US)
28AQI (US)
29th May 2026
27AQI (US)
27AQI (US)
30th May 2026
28AQI (US)
28AQI (US)
31st May 2026
31AQI (US)
31AQI (US)
1st June 2026
32AQI (US)
32AQI (US)
2nd June 2026
31AQI (US)
31AQI (US)
3rd June 2026
29AQI (US)
29AQI (US)
4th June 2026
26AQI (US)
26AQI (US)
5th June 2026
27AQI (US)
27AQI (US)
6th June 2026
25AQI (US)
25AQI (US)
7th June 2026
25AQI (US)
25AQI (US)
8th June 2026
28AQI (US)
28AQI (US)
9th June 2026
26AQI (US)
26AQI (US)
10th June 2026
27AQI (US)
27AQI (US)
11th June 2026
28AQI (US)
28AQI (US)
12th June 2026
27AQI (US)
27AQI (US)
13th June 2026
26AQI (US)
26AQI (US)
14th June 2026
25AQI (US)
25AQI (US)
15th June 2026
27AQI (US)
27AQI (US)
16th June 2026
27AQI (US)
27AQI (US)
17th June 2026
28AQI (US)
28AQI (US)
18th June 2026
27AQI (US)
27AQI (US)
19th June 2026
26AQI (US)
26AQI (US)
20th June 2026
24AQI (US)
24AQI (US)
21st June 2026
24AQI (US)
24AQI (US)
22nd June 2026
26AQI (US)
26AQI (US)
23rd June 2026
27AQI (US)
27AQI (US)
24th June 2026
27AQI (US)
27AQI (US)
25th June 2026
28AQI (US)
28AQI (US)
26th June 2026
29AQI (US)
29AQI (US)
27th June 2026
30AQI (US)
30AQI (US)
28th June 2026
28AQI (US)
28AQI (US)
29th June 2026
29AQI (US)
29AQI (US)
30th June 2026
29AQI (US)
29AQI (US)
1st July 2026
27AQI (US)
27AQI (US)
2nd July 2026
27AQI (US)
27AQI (US)
3rd July 2026
29AQI (US)
29AQI (US)
4th July 2026
26AQI (US)
26AQI (US)
5th July 2026
28AQI (US)
28AQI (US)
6th July 2026
28AQI (US)
28AQI (US)
7th July 2026
31AQI (US)
31AQI (US)
8th July 2026
27AQI (US)
27AQI (US)
9th July 2026
29AQI (US)
29AQI (US)
10th July 2026
32AQI (US)
32AQI (US)
11th July 2026
32AQI (US)
32AQI (US)
12th July 2026
30AQI (US)
30AQI (US)
13th July 2026
30AQI (US)
30AQI (US)
14th July 2026
32AQI (US)
32AQI (US)
15th July 2026
29AQI (US)
29AQI (US)
16th July 2026
31AQI (US)
31AQI (US)
17th July 2026
45AQI (US)
45AQI (US)
18th July 2026
49AQI (US)
49AQI (US)
19th July 2026
53AQI (US)
53AQI (US)
20th July 2026
58AQI (US)
58AQI (US)
21st July 2026
59AQI (US)
59AQI (US)
22nd July 2026
61AQI (US)
61AQI (US)
23rd July 2026
56AQI (US)
56AQI (US)
24th July 2026
52AQI (US)
52AQI (US)
25th July 2026
53AQI (US)
53AQI (US)
26th July 2026
48AQI (US)
48AQI (US)
27th July 2026
45AQI (US)
45AQI (US)
28th July 2026
45AQI (US)
45AQI (US)
29th July 2026
44AQI (US)
44AQI (US)
30th July 2026
50AQI (US)
50AQI (US)
31st July 2026
48AQI (US)
48AQI (US)
1st August 2026
49AQI (US)
49AQI (US)
2nd August 2026
45AQI (US)
45AQI (US)
3rd August 2026
49AQI (US)
49AQI (US)
4th August 2026
51AQI (US)
51AQI (US)
5th August 2026
56AQI (US)
56AQI (US)
6th August 2026
49AQI (US)
49AQI (US)
7th August 2026
48AQI (US)
48AQI (US)
8th August 2026
44AQI (US)
44AQI (US)
9th August 2026
10th August 2026
11th August 2026
12th August 2026
13th August 2026
14th August 2026
15th August 2026
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
38AQI (US)
50AQI (US)
40AQI (US)
36AQI (US)
42AQI (US)
27AQI (US)
40AQI (US)
49AQI (US)
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202639AQI (US)
25
6
16
12
29
2
28
20
10
30
24
7
6
2
178
39
Highest AQI (US) recorded in
February50AQI (US)
Lowest AQI (US) recorded in
June27AQI (US)
202542AQI (US)
3
2
21
9
28
3
21
9
15
16
23
8
22
8
19
12
27
3
28
3
207
73
Highest AQI (US) recorded in
July49AQI (US)
Lowest AQI (US) recorded in
November34AQI (US)
Most & Least Polluted Years Over the Last 2 Years
Most Polluted Year Recorded
2025(Avg.)
42AQI (US)Least Polluted Year Recorded
2026(Avg.)
39AQI (US)Port Arthur's annual 2026 AQI (US) (39) shows an average percentage change of -7.1% (improved AQI (US)) compared to previous years: 2025 (42).
