Country Background

Port Isabel, 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 Isabel, Texas, United States

2022
2023
2024
2025
2026
AQI
.
Days

AQI Trends: Highest and Lowest

Highest AQI recorded on
4th Aug 2026
68AQI
Lowest AQI recorded on
1st Aug 2023
14AQI


Same Day Analysis (9th August):
On this day, AQI across the 5 years varied significantly: 2026 ranks 1st highest AQI at 60 of Moderate air quality on the same day.

Day & Night AQI Trend: 8th Aug - 9th Aug 2026

Port Isabel, Texas, United States

AQI
Day
Night
.

6 AM8th Aug 2026

8 PM

5 AM9th Aug 2026

Day time
Avg. Highest Time
5PM8th Aug

52AQI

Avg. Lowest Time
4PM8th Aug

38AQI

Night time
Avg. Highest Time
5AM9th Aug

73AQI

Avg. Lowest Time
11PM8th Aug

38AQI

In the last 24 hours,

Port Isabel's AQI reached its highest point of 73 at 5 AM during the Night, while the lowest point, 38, was recorded at 11 PM during the Night between 8th Aug and 9th Aug 2026.

Day & Night AQI Trend : Jul - Aug 2026

Port Isabel, Texas, United States

JulAug
11th - 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 - 09th09th
Day
Night
11th Jul 2026436 AMAQI
11th Jul 2026427 AMAQI
11th Jul 2026358 AMAQI
11th Jul 2026369 AMAQI
11th Jul 20263210 AMAQI
11th Jul 20263011 AMAQI
11th Jul 20263612 PMAQI
11th Jul 2026401 PMAQI
11th Jul 2026382 PMAQI
11th Jul 2026363 PMAQI
11th Jul 2026394 PMAQI
11th Jul 2026385 PMAQI
11th Jul 2026356 PMAQI
11th Jul 2026407 PMAQI
11th Jul 2026458 PMAQI
11th Jul 2026449 PMAQI
11th Jul 20265010 PMAQI
11th Jul 20264411 PMAQI
12th Jul 20264412 AMAQI
12th Jul 2026441 AMAQI
12th Jul 2026342 AMAQI
12th Jul 2026453 AMAQI
12th Jul 2026404 AMAQI
12th Jul 2026405 AMAQI

28°C27/28°C

12th Jul 2026386 AMAQI
12th Jul 2026367 AMAQI
12th Jul 2026508 AMAQI
12th Jul 2026369 AMAQI
12th Jul 20263310 AMAQI
12th Jul 20263011 AMAQI
12th Jul 20262712 PMAQI
12th Jul 2026281 PMAQI
12th Jul 2026282 PMAQI
12th Jul 2026263 PMAQI
12th Jul 2026244 PMAQI
12th Jul 2026225 PMAQI
12th Jul 2026206 PMAQI
12th Jul 2026187 PMAQI
12th Jul 2026188 PMAQI
12th Jul 2026189 PMAQI
12th Jul 20261810 PMAQI
12th Jul 20261811 PMAQI
13th Jul 20261812 AMAQI
13th Jul 2026181 AMAQI
13th Jul 2026202 AMAQI
13th Jul 2026263 AMAQI
13th Jul 2026244 AMAQI
13th Jul 2026235 AMAQI

27°C27/28°C

13th Jul 2026236 AMAQI
13th Jul 2026227 AMAQI
13th Jul 2026248 AMAQI
13th Jul 2026389 AMAQI
13th Jul 20262810 AMAQI
13th Jul 20263811 AMAQI
13th Jul 20264412 PMAQI
13th Jul 2026541 PMAQI
13th Jul 2026542 PMAQI
13th Jul 2026553 PMAQI
13th Jul 2026634 PMAQI
13th Jul 2026625 PMAQI
13th Jul 2026626 PMAQI
13th Jul 2026627 PMAQI
13th Jul 2026608 PMAQI
13th Jul 2026619 PMAQI
13th Jul 20265810 PMAQI
13th Jul 20265611 PMAQI
14th Jul 20265912 AMAQI
14th Jul 2026581 AMAQI
14th Jul 2026642 AMAQI
14th Jul 2026733 AMAQI
14th Jul 2026604 AMAQI
14th Jul 2026645 AMAQI

27°C27/28°C

14th Jul 2026586 AMAQI
14th Jul 2026597 AMAQI
14th Jul 2026628 AMAQI
14th Jul 2026619 AMAQI
14th Jul 20266210 AMAQI
14th Jul 20266011 AMAQI
14th Jul 20266312 PMAQI
14th Jul 2026641 PMAQI
14th Jul 2026692 PMAQI
14th Jul 2026703 PMAQI
14th Jul 2026804 PMAQI
14th Jul 2026695 PMAQI
14th Jul 2026686 PMAQI
14th Jul 2026707 PMAQI
14th Jul 2026758 PMAQI
14th Jul 2026719 PMAQI
14th Jul 20266610 PMAQI
14th Jul 20266711 PMAQI
15th Jul 20266612 AMAQI
15th Jul 2026641 AMAQI
15th Jul 2026622 AMAQI
15th Jul 2026523 AMAQI
15th Jul 2026384 AMAQI
15th Jul 2026405 AMAQI

27°C27/28°C

15th Jul 2026516 AMAQI
15th Jul 2026537 AMAQI
15th Jul 2026588 AMAQI
15th Jul 2026529 AMAQI
15th Jul 20264210 AMAQI
15th Jul 20265611 AMAQI
15th Jul 20264412 PMAQI
15th Jul 2026601 PMAQI
15th Jul 2026662 PMAQI
15th Jul 2026593 PMAQI
15th Jul 2026584 PMAQI
15th Jul 2026605 PMAQI
15th Jul 2026596 PMAQI
15th Jul 2026627 PMAQI
15th Jul 2026668 PMAQI
15th Jul 2026589 PMAQI
15th Jul 20266010 PMAQI
15th Jul 20266011 PMAQI
16th Jul 20266012 AMAQI
16th Jul 2026571 AMAQI
16th Jul 2026562 AMAQI
16th Jul 2026543 AMAQI
16th Jul 2026504 AMAQI
16th Jul 2026595 AMAQI

27°C27/28°C

16th Jul 2026546 AMAQI
16th Jul 2026517 AMAQI
16th Jul 2026508 AMAQI
16th Jul 2026509 AMAQI
16th Jul 20265210 AMAQI
16th Jul 20265211 AMAQI
16th Jul 20265212 PMAQI
16th Jul 2026521 PMAQI
16th Jul 2026602 PMAQI
16th Jul 2026523 PMAQI
16th Jul 2026544 PMAQI
16th Jul 2026525 PMAQI
16th Jul 2026556 PMAQI
16th Jul 2026537 PMAQI
16th Jul 2026538 PMAQI
16th Jul 2026519 PMAQI
16th Jul 20264610 PMAQI
16th Jul 20264211 PMAQI
17th Jul 20263412 AMAQI
17th Jul 2026301 AMAQI
17th Jul 2026362 AMAQI
17th Jul 2026423 AMAQI
17th Jul 2026444 AMAQI
17th Jul 2026515 AMAQI

28°C27/28°C

17th Jul 2026446 AMAQI
17th Jul 2026447 AMAQI
17th Jul 2026408 AMAQI
17th Jul 2026489 AMAQI
17th Jul 20264910 AMAQI
17th Jul 20264811 AMAQI
17th Jul 20265112 PMAQI
17th Jul 2026531 PMAQI
17th Jul 2026542 PMAQI
17th Jul 2026593 PMAQI
17th Jul 2026644 PMAQI
17th Jul 2026645 PMAQI
17th Jul 2026656 PMAQI
17th Jul 2026607 PMAQI
17th Jul 2026588 PMAQI
17th Jul 2026609 PMAQI
17th Jul 20265810 PMAQI
17th Jul 20265911 PMAQI
18th Jul 20265912 AMAQI
18th Jul 2026591 AMAQI
18th Jul 2026572 AMAQI
18th Jul 2026583 AMAQI
18th Jul 2026574 AMAQI
18th Jul 2026585 AMAQI

28°C27/29°C

18th Jul 2026606 AMAQI
18th Jul 2026627 AMAQI
18th Jul 2026668 AMAQI
18th Jul 2026629 AMAQI
18th Jul 20266310 AMAQI
18th Jul 20266711 AMAQI
18th Jul 20267312 PMAQI
18th Jul 2026841 PMAQI
18th Jul 2026802 PMAQI
18th Jul 2026743 PMAQI
18th Jul 2026784 PMAQI
18th Jul 2026765 PMAQI
18th Jul 2026716 PMAQI
18th Jul 2026687 PMAQI
18th Jul 2026688 PMAQI
18th Jul 2026699 PMAQI
18th Jul 20267010 PMAQI
18th Jul 20266211 PMAQI
19th Jul 20265812 AMAQI
19th Jul 2026601 AMAQI
19th Jul 2026592 AMAQI
19th Jul 2026623 AMAQI
19th Jul 2026624 AMAQI
19th Jul 2026675 AMAQI

28°C27/28°C

19th Jul 2026656 AMAQI
19th Jul 2026707 AMAQI
19th Jul 2026738 AMAQI
19th Jul 2026689 AMAQI
19th Jul 20266910 AMAQI
19th Jul 20267311 AMAQI
19th Jul 20267512 PMAQI
19th Jul 2026791 PMAQI
19th Jul 2026782 PMAQI
19th Jul 2026783 PMAQI
19th Jul 2026824 PMAQI
19th Jul 2026875 PMAQI
19th Jul 2026796 PMAQI
19th Jul 2026767 PMAQI
19th Jul 2026718 PMAQI
19th Jul 2026769 PMAQI
19th Jul 20267310 PMAQI
19th Jul 20266411 PMAQI
20th Jul 20266412 AMAQI
20th Jul 2026621 AMAQI
20th Jul 2026682 AMAQI
20th Jul 2026663 AMAQI
20th Jul 2026704 AMAQI
20th Jul 2026675 AMAQI

28°C27/29°C

20th Jul 2026606 AMAQI
20th Jul 2026647 AMAQI
20th Jul 2026628 AMAQI
20th Jul 2026629 AMAQI
20th Jul 20265810 AMAQI
20th Jul 20266611 AMAQI
20th Jul 20266312 PMAQI
20th Jul 2026651 PMAQI
20th Jul 2026672 PMAQI
20th Jul 2026703 PMAQI
20th Jul 2026694 PMAQI
20th Jul 2026665 PMAQI
20th Jul 2026656 PMAQI
20th Jul 2026627 PMAQI
20th Jul 2026608 PMAQI
20th Jul 2026599 PMAQI
20th Jul 20265611 PMAQI
21st Jul 20265112 AMAQI
21st Jul 2026541 AMAQI
21st Jul 2026572 AMAQI
21st Jul 2026583 AMAQI
21st Jul 2026574 AMAQI
21st Jul 2026555 AMAQI

28°C27/29°C

21st Jul 2026556 AMAQI
21st Jul 2026567 AMAQI
21st Jul 2026598 AMAQI
21st Jul 2026589 AMAQI
21st Jul 20266210 AMAQI
21st Jul 20267011 AMAQI
21st Jul 20267612 PMAQI
21st Jul 2026791 PMAQI
21st Jul 2026762 PMAQI
21st Jul 2026713 PMAQI
21st Jul 2026704 PMAQI
21st Jul 2026665 PMAQI
21st Jul 2026716 PMAQI
21st Jul 2026667 PMAQI
21st Jul 2026598 PMAQI
21st Jul 2026589 PMAQI
21st Jul 20266010 PMAQI
21st Jul 20265611 PMAQI
22nd Jul 20265812 AMAQI
22nd Jul 2026621 AMAQI
22nd Jul 2026582 AMAQI
22nd Jul 2026623 AMAQI
22nd Jul 2026634 AMAQI
22nd Jul 2026655 AMAQI

27°C27/28°C

22nd Jul 2026606 AMAQI
22nd Jul 2026587 AMAQI
22nd Jul 2026628 AMAQI
22nd Jul 2026589 AMAQI
22nd Jul 20265910 AMAQI
22nd Jul 20266511 AMAQI
22nd Jul 20267112 PMAQI
22nd Jul 2026781 PMAQI
22nd Jul 2026902 PMAQI
22nd Jul 2026743 PMAQI
22nd Jul 2026704 PMAQI
22nd Jul 2026785 PMAQI
22nd Jul 2026786 PMAQI
22nd Jul 2026727 PMAQI
22nd Jul 2026678 PMAQI
22nd Jul 2026709 PMAQI
22nd Jul 20266810 PMAQI
22nd Jul 20266011 PMAQI
23rd Jul 20265512 AMAQI
23rd Jul 2026591 AMAQI
23rd Jul 2026642 AMAQI
23rd Jul 2026623 AMAQI
23rd Jul 2026574 AMAQI
23rd Jul 2026555 AMAQI

27°C27/28°C

23rd Jul 2026566 AMAQI
23rd Jul 2026557 AMAQI
23rd Jul 2026548 AMAQI
23rd Jul 2026559 AMAQI
23rd Jul 20266010 AMAQI
23rd Jul 20266211 AMAQI
23rd Jul 20265712 PMAQI
23rd Jul 2026671 PMAQI
23rd Jul 2026672 PMAQI
23rd Jul 2026683 PMAQI
23rd Jul 2026734 PMAQI
23rd Jul 2026715 PMAQI
23rd Jul 2026726 PMAQI
23rd Jul 2026687 PMAQI
23rd Jul 2026668 PMAQI
23rd Jul 2026669 PMAQI
23rd Jul 20266410 PMAQI
23rd Jul 20266611 PMAQI
24th Jul 20266312 AMAQI
24th Jul 2026581 AMAQI
24th Jul 2026572 AMAQI
24th Jul 2026573 AMAQI
24th Jul 2026624 AMAQI
24th Jul 2026585 AMAQI

27°C27/29°C

24th Jul 2026626 AMAQI
24th Jul 2026647 AMAQI
24th Jul 2026588 AMAQI
24th Jul 2026589 AMAQI
24th Jul 20266510 AMAQI
24th Jul 20266411 AMAQI
24th Jul 20267012 PMAQI
24th Jul 2026691 PMAQI
24th Jul 2026712 PMAQI
24th Jul 2026713 PMAQI
24th Jul 2026714 PMAQI
24th Jul 2026715 PMAQI
24th Jul 2026666 PMAQI
24th Jul 2026697 PMAQI
24th Jul 2026648 PMAQI
24th Jul 2026679 PMAQI
24th Jul 20266810 PMAQI
24th Jul 20266611 PMAQI
25th Jul 20266412 AMAQI
25th Jul 2026641 AMAQI
25th Jul 2026592 AMAQI
25th Jul 2026653 AMAQI
25th Jul 2026644 AMAQI
25th Jul 2026625 AMAQI

27°C27/28°C

25th Jul 2026606 AMAQI
25th Jul 2026567 AMAQI
25th Jul 2026578 AMAQI
25th Jul 2026589 AMAQI
25th Jul 20265510 AMAQI
25th Jul 20266211 AMAQI
25th Jul 20266812 PMAQI
25th Jul 2026651 PMAQI
25th Jul 2026642 PMAQI
25th Jul 2026623 PMAQI
25th Jul 2026564 PMAQI
25th Jul 2026575 PMAQI
25th Jul 2026526 PMAQI
25th Jul 2026557 PMAQI
25th Jul 2026528 PMAQI
25th Jul 2026539 PMAQI
25th Jul 20265510 PMAQI
25th Jul 20265711 PMAQI
26th Jul 20265412 AMAQI
26th Jul 2026551 AMAQI
26th Jul 2026522 AMAQI
26th Jul 2026493 AMAQI
26th Jul 2026484 AMAQI
26th Jul 2026465 AMAQI

27°C27/28°C

26th Jul 2026516 AMAQI
26th Jul 2026547 AMAQI
26th Jul 2026518 AMAQI
26th Jul 2026539 AMAQI
26th Jul 20264210 AMAQI
26th Jul 20264211 AMAQI
26th Jul 20263812 PMAQI
26th Jul 2026481 PMAQI
26th Jul 2026442 PMAQI
26th Jul 2026463 PMAQI
26th Jul 2026424 PMAQI
26th Jul 2026505 PMAQI
26th Jul 2026426 PMAQI
26th Jul 2026257 PMAQI
26th Jul 2026338 PMAQI
26th Jul 2026549 PMAQI
26th Jul 20264010 PMAQI
26th Jul 20264411 PMAQI
27th Jul 20265312 AMAQI
27th Jul 2026441 AMAQI
27th Jul 2026462 AMAQI
27th Jul 2026423 AMAQI
27th Jul 2026384 AMAQI
27th Jul 2026485 AMAQI

27°C27/28°C

27th Jul 2026466 AMAQI
27th Jul 2026487 AMAQI
27th Jul 2026448 AMAQI
27th Jul 2026429 AMAQI
27th Jul 20264410 AMAQI
27th Jul 20265311 AMAQI
27th Jul 20265412 PMAQI
27th Jul 2026531 PMAQI
27th Jul 2026582 PMAQI
27th Jul 2026583 PMAQI
27th Jul 2026604 PMAQI
27th Jul 2026595 PMAQI
27th Jul 2026556 PMAQI
27th Jul 2026567 PMAQI
27th Jul 2026538 PMAQI
27th Jul 2026539 PMAQI
27th Jul 20265410 PMAQI
27th Jul 20265611 PMAQI
28th Jul 20265212 AMAQI
28th Jul 2026461 AMAQI
28th Jul 2026442 AMAQI
28th Jul 2026483 AMAQI
28th Jul 2026484 AMAQI
28th Jul 2026525 AMAQI

27°C27/28°C

28th Jul 2026556 AMAQI
28th Jul 2026557 AMAQI
28th Jul 2026558 AMAQI
28th Jul 2026589 AMAQI
28th Jul 20266310 AMAQI
28th Jul 20266711 AMAQI
28th Jul 20267012 PMAQI
28th Jul 2026721 PMAQI
28th Jul 2026682 PMAQI
28th Jul 2026723 PMAQI
28th Jul 2026744 PMAQI
28th Jul 2026765 PMAQI
28th Jul 2026696 PMAQI
28th Jul 2026687 PMAQI
28th Jul 2026648 PMAQI
28th Jul 2026629 PMAQI
28th Jul 20266210 PMAQI
28th Jul 20265511 PMAQI
29th Jul 20264612 AMAQI
29th Jul 2026541 AMAQI
29th Jul 2026522 AMAQI
29th Jul 2026483 AMAQI
29th Jul 2026514 AMAQI
29th Jul 2026425 AMAQI

27°C27/28°C

29th Jul 2026446 AMAQI
29th Jul 2026467 AMAQI
29th Jul 2026488 AMAQI
29th Jul 2026489 AMAQI
29th Jul 20264810 AMAQI
29th Jul 20265111 AMAQI
29th Jul 20265512 PMAQI
29th Jul 2026571 PMAQI
29th Jul 2026572 PMAQI
29th Jul 2026563 PMAQI
29th Jul 2026564 PMAQI
29th Jul 2026555 PMAQI
29th Jul 2026586 PMAQI
29th Jul 2026547 PMAQI
29th Jul 2026558 PMAQI
29th Jul 2026539 PMAQI
29th Jul 20265410 PMAQI
29th Jul 20265611 PMAQI
30th Jul 20265412 AMAQI
30th Jul 2026531 AMAQI
30th Jul 2026482 AMAQI
30th Jul 2026463 AMAQI
30th Jul 2026444 AMAQI
30th Jul 2026465 AMAQI

27°C27/28°C

30th Jul 2026446 AMAQI
30th Jul 2026447 AMAQI
30th Jul 2026538 AMAQI
30th Jul 2026559 AMAQI
30th Jul 20266010 AMAQI
30th Jul 20266311 AMAQI
30th Jul 20266612 PMAQI
30th Jul 2026621 PMAQI
30th Jul 2026652 PMAQI
30th Jul 2026583 PMAQI
30th Jul 2026564 PMAQI
30th Jul 2026525 PMAQI
30th Jul 2026506 PMAQI
30th Jul 2026507 PMAQI
30th Jul 2026468 PMAQI
30th Jul 2026479 PMAQI
30th Jul 20264810 PMAQI
30th Jul 20264611 PMAQI
31st Jul 20264812 AMAQI
31st Jul 2026501 AMAQI
31st Jul 2026512 AMAQI
31st Jul 2026533 AMAQI
31st Jul 2026484 AMAQI
31st Jul 2026505 AMAQI

27°C27/28°C

31st Jul 2026506 AMAQI
31st Jul 2026487 AMAQI
31st Jul 2026518 AMAQI
31st Jul 2026469 AMAQI
31st Jul 20264410 AMAQI
31st Jul 20264411 AMAQI
31st Jul 20265412 PMAQI
31st Jul 2026491 PMAQI
31st Jul 2026482 PMAQI
31st Jul 2026483 PMAQI
31st Jul 2026484 PMAQI
31st Jul 2026465 PMAQI
31st Jul 2026296 PMAQI
31st Jul 2026537 PMAQI
31st Jul 2026508 PMAQI
31st Jul 2026489 PMAQI
31st Jul 20265010 PMAQI
31st Jul 20265111 PMAQI
1st Aug 20265712 AMAQI
1st Aug 2026551 AMAQI
1st Aug 2026642 AMAQI
1st Aug 2026463 AMAQI
1st Aug 2026484 AMAQI
1st Aug 2026505 AMAQI

27°C27/28°C

1st Aug 2026446 AMAQI
1st Aug 2026427 AMAQI
1st Aug 2026428 AMAQI
1st Aug 2026409 AMAQI
1st Aug 20264010 AMAQI
1st Aug 20264811 AMAQI
1st Aug 20265212 PMAQI
1st Aug 2026561 PMAQI
1st Aug 2026522 PMAQI
1st Aug 2026533 PMAQI
1st Aug 2026504 PMAQI
1st Aug 2026485 PMAQI
1st Aug 2026516 PMAQI
1st Aug 2026507 PMAQI
1st Aug 2026488 PMAQI
1st Aug 2026469 PMAQI
1st Aug 20264410 PMAQI
1st Aug 20264211 PMAQI
2nd Aug 20264212 AMAQI
2nd Aug 2026461 AMAQI
2nd Aug 2026422 AMAQI
2nd Aug 2026463 AMAQI
2nd Aug 2026424 AMAQI
2nd Aug 2026425 AMAQI

27°C27/28°C

2nd Aug 2026446 AMAQI
2nd Aug 2026467 AMAQI
2nd Aug 2026448 AMAQI
2nd Aug 2026449 AMAQI
2nd Aug 20264410 AMAQI
2nd Aug 20265311 AMAQI
2nd Aug 20265512 PMAQI
2nd Aug 2026561 PMAQI
2nd Aug 2026572 PMAQI
2nd Aug 2026633 PMAQI
2nd Aug 2026584 PMAQI
2nd Aug 2026575 PMAQI
2nd Aug 2026546 PMAQI
2nd Aug 2026517 PMAQI
2nd Aug 2026548 PMAQI
2nd Aug 2026529 PMAQI
2nd Aug 20265010 PMAQI
2nd Aug 20264611 PMAQI
3rd Aug 20264912 AMAQI
3rd Aug 2026511 AMAQI
3rd Aug 2026572 AMAQI
3rd Aug 2026513 AMAQI
3rd Aug 2026524 AMAQI
3rd Aug 2026565 AMAQI

28°C27/29°C

3rd Aug 2026546 AMAQI
3rd Aug 2026527 AMAQI
3rd Aug 2026498 AMAQI
3rd Aug 2026569 AMAQI
3rd Aug 20265210 AMAQI
3rd Aug 20265011 AMAQI
3rd Aug 20265512 PMAQI
3rd Aug 2026561 PMAQI
3rd Aug 2026662 PMAQI
3rd Aug 2026713 PMAQI
3rd Aug 2026674 PMAQI
3rd Aug 2026665 PMAQI
3rd Aug 2026716 PMAQI
3rd Aug 2026737 PMAQI
3rd Aug 2026658 PMAQI
3rd Aug 2026649 PMAQI
3rd Aug 20266410 PMAQI
3rd Aug 20266711 PMAQI
4th Aug 20266612 AMAQI
4th Aug 2026661 AMAQI
4th Aug 2026682 AMAQI
4th Aug 2026683 AMAQI
4th Aug 2026694 AMAQI
4th Aug 2026685 AMAQI

28°C27/28°C

4th Aug 2026656 AMAQI
4th Aug 2026667 AMAQI
4th Aug 2026668 AMAQI
4th Aug 2026649 AMAQI
4th Aug 20266810 AMAQI
4th Aug 20267111 AMAQI
4th Aug 20267612 PMAQI
4th Aug 2026821 PMAQI
4th Aug 2026832 PMAQI
4th Aug 2026733 PMAQI
4th Aug 2026714 PMAQI
4th Aug 2026735 PMAQI
4th Aug 2026736 PMAQI
4th Aug 2026647 PMAQI
4th Aug 2026608 PMAQI
4th Aug 2026579 PMAQI
4th Aug 20265710 PMAQI
4th Aug 20265511 PMAQI
5th Aug 20266012 AMAQI
5th Aug 2026581 AMAQI
5th Aug 2026602 AMAQI
5th Aug 2026633 AMAQI
5th Aug 2026584 AMAQI
5th Aug 2026545 AMAQI

28°C28/29°C

5th Aug 2026516 AMAQI
5th Aug 2026467 AMAQI
5th Aug 2026488 AMAQI
5th Aug 2026489 AMAQI
5th Aug 20264410 AMAQI
5th Aug 20264811 AMAQI
5th Aug 20265012 PMAQI
5th Aug 2026591 PMAQI
5th Aug 2026422 PMAQI
5th Aug 2026403 PMAQI
5th Aug 2026444 PMAQI
5th Aug 2026445 PMAQI
5th Aug 2026426 PMAQI
5th Aug 2026527 PMAQI
5th Aug 2026508 PMAQI
5th Aug 2026519 PMAQI
5th Aug 20265610 PMAQI
5th Aug 20265411 PMAQI
6th Aug 20265312 AMAQI
6th Aug 2026421 AMAQI
6th Aug 2026482 AMAQI
6th Aug 2026443 AMAQI
6th Aug 2026404 AMAQI
6th Aug 2026505 AMAQI

28°C27/29°C

6th Aug 2026506 AMAQI
6th Aug 2026447 AMAQI
6th Aug 2026538 AMAQI
6th Aug 2026569 AMAQI
6th Aug 20264610 AMAQI
6th Aug 20263811 AMAQI
6th Aug 20265012 PMAQI
6th Aug 2026531 PMAQI
6th Aug 2026512 PMAQI
6th Aug 2026493 PMAQI
6th Aug 2026554 PMAQI
6th Aug 2026515 PMAQI
6th Aug 2026426 PMAQI
6th Aug 2026517 PMAQI
6th Aug 2026488 PMAQI
6th Aug 2026489 PMAQI
6th Aug 20264610 PMAQI
6th Aug 20264711 PMAQI
7th Aug 20265012 AMAQI
7th Aug 2026501 AMAQI
7th Aug 2026442 AMAQI
7th Aug 2026493 AMAQI
7th Aug 2026514 AMAQI
7th Aug 2026495 AMAQI

27°C27/28°C

7th Aug 2026546 AMAQI
7th Aug 2026607 AMAQI
7th Aug 2026558 AMAQI
7th Aug 2026429 AMAQI
7th Aug 20264610 AMAQI
7th Aug 20264611 AMAQI
7th Aug 20265012 PMAQI
7th Aug 2026601 PMAQI
7th Aug 2026422 PMAQI
7th Aug 2026423 PMAQI
7th Aug 2026494 PMAQI
7th Aug 2026505 PMAQI
7th Aug 2026526 PMAQI
7th Aug 2026367 PMAQI
7th Aug 2026368 PMAQI
7th Aug 2026529 PMAQI
7th Aug 20265310 PMAQI
7th Aug 20265011 PMAQI
8th Aug 20265012 AMAQI
8th Aug 2026511 AMAQI
8th Aug 2026522 AMAQI
8th Aug 2026523 AMAQI
8th Aug 2026404 AMAQI
8th Aug 2026405 AMAQI

27°C27/28°C

8th Aug 2026516 AMAQI
8th Aug 2026447 AMAQI
8th Aug 2026488 AMAQI
8th Aug 2026429 AMAQI
8th Aug 20263810 AMAQI
8th Aug 20264211 AMAQI
8th Aug 20264812 PMAQI
8th Aug 2026441 PMAQI
8th Aug 2026402 PMAQI
8th Aug 2026443 PMAQI
8th Aug 2026384 PMAQI
8th Aug 2026525 PMAQI
8th Aug 2026446 PMAQI
8th Aug 2026427 PMAQI
8th Aug 2026428 PMAQI
8th Aug 2026659 PMAQI
8th Aug 20265010 PMAQI
8th Aug 20263811 PMAQI
9th Aug 20265112 AMAQI
9th Aug 2026711 AMAQI
9th Aug 2026662 AMAQI
9th Aug 2026603 AMAQI
9th Aug 2026564 AMAQI
9th Aug 2026735 AMAQI

27°C27/28°C

9th Aug 2026736 AMAQI
6 AM
9th Aug 2026717 AMAQI
9th Aug 2026548 AMAQI
9th Aug 2026629 AMAQI
9th Aug 20266610 AMAQI
9th Aug 20267011 AMAQI
9th Aug 20264412 PMAQI
9th Aug 2026541 PMAQI
1 PM
9th Aug 2026582 PMAQI
9th Aug 2026673 PMAQI
9th Aug 2026564 PMAQI
9th Aug 2026605 PMAQI
9th Aug 2026546 PMAQI
9th Aug 2026307 PMAQI
9th Aug 2026468 PMAQI
8 PM
9th Aug 2026729 PMAQI
9th Aug 20266510 PMAQI
9th Aug 20265411 PMAQI
1 AM
5 AM

27°C27/28°C

Day time
Avg. Highest Time
1 PM - 5 PM

59AQI

5 hours / Day
150 hours / Month
Avg. Lowest Time
6 AM - 10 AM

52AQI

5 hours / Day
150 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 1 PM to 5 PM (Avg. 59), while the lowest AQI was between 6 AM to 10 AM (Avg. 52).
Night time
Avg. Highest Time
9 PM

57AQI

1 hours / Day
30 hours / Month
Avg. Lowest Time
4 AM - 5 AM

52AQI

2 hours / Day
60 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 9 PM to 9 PM (Avg. 57), while the lowest AQI was between 4 AM to 5 AM (Avg. 52).

2026 Days Vs Air Quality

Port Isabel, Texas, United States

2026

81%

177

18%

40

0.4%

1

Total number of days with different AQI categories in last 221 days in 2026 (144 days remaining)

Good
177 Days
Moderate
40 Days
Poor
1 Days
Unhealthy
0 Days
Severe
0 Days
Hazardous
0 Days



Under WHO’s Safe Air Quality Limits: 81%

Health Risk Level:

Low

In 2026, 81% of 221 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 Isabel, 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
47AQI (US)
2nd January 2026
43AQI (US)
3rd January 2026
83AQI (US)
4th January 2026
56AQI (US)
5th January 2026
60AQI (US)
6th January 2026
97AQI (US)
7th January 2026
77AQI (US)
8th January 2026
71AQI (US)
9th January 2026
106AQI (US)
10th January 2026
68AQI (US)
11th January 2026
21AQI (US)
12th January 2026
21AQI (US)
13th January 2026
27AQI (US)
14th January 2026
26AQI (US)
15th January 2026
32AQI (US)
16th January 2026
41AQI (US)
17th January 2026
49AQI (US)
18th January 2026
39AQI (US)
19th January 2026
46AQI (US)
20th January 2026
42AQI (US)
21st January 2026
41AQI (US)
22nd January 2026
34AQI (US)
23rd January 2026
30AQI (US)
24th January 2026
25AQI (US)
25th January 2026
51AQI (US)
26th January 2026
26AQI (US)
27th January 2026
23AQI (US)
28th January 2026
28AQI (US)
29th January 2026
32AQI (US)
30th January 2026
43AQI (US)
31st January 2026
30AQI (US)
1st February 2026
29AQI (US)
2nd February 2026
33AQI (US)
3rd February 2026
33AQI (US)
4th February 2026
29AQI (US)
5th February 2026
28AQI (US)
6th February 2026
40AQI (US)
7th February 2026
32AQI (US)
8th February 2026
27AQI (US)
9th February 2026
33AQI (US)
10th February 2026
33AQI (US)
11th February 2026
28AQI (US)
12th February 2026
34AQI (US)
13th February 2026
41AQI (US)
14th February 2026
53AQI (US)
15th February 2026
37AQI (US)
16th February 2026
41AQI (US)
17th February 2026
49AQI (US)
18th February 2026
42AQI (US)
19th February 2026
62AQI (US)
20th February 2026
53AQI (US)
21st February 2026
46AQI (US)
22nd February 2026
53AQI (US)
23rd February 2026
39AQI (US)
24th February 2026
35AQI (US)
25th February 2026
37AQI (US)
26th February 2026
40AQI (US)
27th February 2026
37AQI (US)
28th February 2026
38AQI (US)
1st March 2026
41AQI (US)
2nd March 2026
44AQI (US)
3rd March 2026
41AQI (US)
4th March 2026
38AQI (US)
5th March 2026
39AQI (US)
6th March 2026
38AQI (US)
7th March 2026
40AQI (US)
8th March 2026
32AQI (US)
9th March 2026
30AQI (US)
10th March 2026
44AQI (US)
11th March 2026
30AQI (US)
12th March 2026
28AQI (US)
13th March 2026
28AQI (US)
14th March 2026
29AQI (US)
15th March 2026
36AQI (US)
16th March 2026
65AQI (US)
17th March 2026
26AQI (US)
18th March 2026
28AQI (US)
19th March 2026
32AQI (US)
20th March 2026
28AQI (US)
21st March 2026
26AQI (US)
22nd March 2026
24AQI (US)
23rd March 2026
38AQI (US)
24th March 2026
30AQI (US)
25th March 2026
35AQI (US)
26th March 2026
31AQI (US)
27th March 2026
27AQI (US)
28th March 2026
23AQI (US)
29th March 2026
34AQI (US)
30th March 2026
45AQI (US)
31st March 2026
33AQI (US)
1st April 2026
33AQI (US)
2nd April 2026
41AQI (US)
3rd April 2026
35AQI (US)
4th April 2026
27AQI (US)
5th April 2026
31AQI (US)
6th April 2026
24AQI (US)
7th April 2026
23AQI (US)
8th April 2026
29AQI (US)
9th April 2026
24AQI (US)
10th April 2026
28AQI (US)
11th April 2026
32AQI (US)
12th April 2026
27AQI (US)
13th April 2026
29AQI (US)
14th April 2026
28AQI (US)
15th April 2026
36AQI (US)
16th April 2026
34AQI (US)
17th April 2026
18th April 2026
35AQI (US)
19th April 2026
31AQI (US)
20th April 2026
20AQI (US)
21st April 2026
25AQI (US)
22nd April 2026
23rd April 2026
28AQI (US)
24th April 2026
36AQI (US)
25th April 2026
52AQI (US)
26th April 2026
38AQI (US)
27th April 2026
42AQI (US)
28th April 2026
49AQI (US)
29th April 2026
34AQI (US)
30th April 2026
34AQI (US)
1st May 2026
21AQI (US)
2nd May 2026
26AQI (US)
3rd May 2026
21AQI (US)
4th May 2026
26AQI (US)
5th May 2026
35AQI (US)
6th May 2026
46AQI (US)
7th May 2026
37AQI (US)
8th May 2026
35AQI (US)
9th May 2026
10th May 2026
30AQI (US)
11th May 2026
25AQI (US)
12th May 2026
28AQI (US)
13th May 2026
32AQI (US)
14th May 2026
23AQI (US)
15th May 2026
42AQI (US)
16th May 2026
50AQI (US)
17th May 2026
58AQI (US)
18th May 2026
58AQI (US)
19th May 2026
59AQI (US)
20th May 2026
52AQI (US)
21st May 2026
43AQI (US)
22nd May 2026
51AQI (US)
23rd May 2026
46AQI (US)
24th May 2026
44AQI (US)
25th May 2026
45AQI (US)
26th May 2026
20AQI (US)
27th May 2026
20AQI (US)
28th May 2026
25AQI (US)
29th May 2026
18AQI (US)
30th May 2026
15AQI (US)
31st May 2026
15AQI (US)
1st June 2026
24AQI (US)
2nd June 2026
33AQI (US)
3rd June 2026
17AQI (US)
4th June 2026
14AQI (US)
5th June 2026
15AQI (US)
6th June 2026
27AQI (US)
7th June 2026
30AQI (US)
8th June 2026
28AQI (US)
9th June 2026
29AQI (US)
10th June 2026
20AQI (US)
11th June 2026
19AQI (US)
12th June 2026
22AQI (US)
13th June 2026
25AQI (US)
14th June 2026
23AQI (US)
15th June 2026
20AQI (US)
16th June 2026
16AQI (US)
17th June 2026
15AQI (US)
18th June 2026
36AQI (US)
19th June 2026
29AQI (US)
20th June 2026
25AQI (US)
21st June 2026
24AQI (US)
22nd June 2026
30AQI (US)
23rd June 2026
42AQI (US)
24th June 2026
50AQI (US)
25th June 2026
38AQI (US)
26th June 2026
45AQI (US)
27th June 2026
41AQI (US)
28th June 2026
38AQI (US)
29th June 2026
55AQI (US)
30th June 2026
43AQI (US)
1st July 2026
29AQI (US)
2nd July 2026
28AQI (US)
3rd July 2026
21AQI (US)
4th July 2026
20AQI (US)
5th July 2026
20AQI (US)
6th July 2026
27AQI (US)
7th July 2026
33AQI (US)
8th July 2026
30AQI (US)
9th July 2026
32AQI (US)
10th July 2026
27AQI (US)
11th July 2026
38AQI (US)
12th July 2026
31AQI (US)
13th July 2026
41AQI (US)
14th July 2026
66AQI (US)
15th July 2026
56AQI (US)
16th July 2026
53AQI (US)
17th July 2026
51AQI (US)
18th July 2026
67AQI (US)
19th July 2026
71AQI (US)
20th July 2026
64AQI (US)
21st July 2026
62AQI (US)
22nd July 2026
67AQI (US)
23rd July 2026
62AQI (US)
24th July 2026
65AQI (US)
25th July 2026
59AQI (US)
26th July 2026
46AQI (US)
27th July 2026
51AQI (US)
28th July 2026
61AQI (US)
29th July 2026
52AQI (US)
30th July 2026
52AQI (US)
31st July 2026
48AQI (US)
1st August 2026
49AQI (US)
2nd August 2026
50AQI (US)
3rd August 2026
59AQI (US)
4th August 2026
68AQI (US)
5th August 2026
51AQI (US)
6th August 2026
48AQI (US)
7th August 2026
49AQI (US)
8th August 2026
46AQI (US)
9th August 2026
60AQI (US)
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

46AQI (US)

39AQI (US)

34AQI (US)

32AQI (US)

35AQI (US)

29AQI (US)

46AQI (US)

53AQI (US)


No. of days

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

202638AQI (US)

22
8
1
24
4
30
1
27
1
25
5
29
1
15
16
5
4
177
40
1

Highest AQI (US) recorded in

August

53AQI (US)


Lowest AQI (US) recorded in

June

29AQI (US)


202552AQI (US)

25
6
25
3
14
17
12
18
9
22
5
25
17
14
27
4
23
7
28
3
14
16
4
26
1
175
186
4

Highest AQI (US) recorded in

October

76AQI (US)


Lowest AQI (US) recorded in

February

38AQI (US)


202462AQI (US)

10
17
4
12
7
4
6
20
5
3
7
13
6
20
5
9
12
8
1
20
10
30
1
24
4
2
19
12
25
5
23
8
181
109
56
6

Highest AQI (US) recorded in

May

123AQI (US)


Lowest AQI (US) recorded in

August

38AQI (US)


202343AQI (US)

20
10
15
13
12
19
15
14
1
16
12
3
16
12
2
8
23
29
2
29
1
28
3
27
2
24
7
239
118
6

Highest AQI (US) recorded in

July

57AQI (US)


Lowest AQI (US) recorded in

September

24AQI (US)


202240AQI (US)

19
2
18
4
25
6
8
22
9
22
17
10
3
17
7
2
27
2
29
2
29
1
27
2
227
80
3

Highest AQI (US) recorded in

May

56AQI (US)


Lowest AQI (US) recorded in

October

28AQI (US)


202142AQI (US)

24
6
23
4
19
12
9
21
21
10
20
10
18
12
17
14
22
6
29
2
30
26
5
258
102

Highest AQI (US) recorded in

April

58AQI (US)


Lowest AQI (US) recorded in

November

26AQI (US)


202045AQI (US)

3
10
3
10
2
10
8
19
8
2
1
15
16
26
5
19
10
1
24
6
28
2
26
5
173
80
5
1

Highest AQI (US) recorded in

April

68AQI (US)


Lowest AQI (US) recorded in

December

31AQI (US)


Most & Least Polluted Years Over the Last 7 Years

Most Polluted Year Recorded
2024(Avg.)
62AQI (US)
Least Polluted Year Recorded
2026(Avg.)
38AQI (US)


Port Isabel's annual 2026 AQI (US) (38) shows an average percentage change of -17.8% (improved AQI (US)) compared to previous years: 2020 (45), 2021 (42), 2022 (40), 2023 (43), 2024 (62), 2025 (52).