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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

2021
2022
2023
2024
2025
AQI
.
Days

AQI Trends: Highest and Lowest

Highest AQI recorded on
29th Aug 2021
84AQI
Lowest AQI recorded on
1st Aug 2023
14AQI

Same Day Analysis (20th August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 3rd highest AQI at 50 of Good air quality, showing improvement over 2023 and 2021 on the same day.

Download 2024 Annual Data

World Air Quality Report

Globe

Day & Night AQI Trend: 20th Aug - 21st Aug 2025

Port Isabel, Texas, United States

AQI
Day
Night
.

6 AM20th Aug 2025

8 PM

5 AM21st Aug 2025

Day time
Avg. Highest Time
7AM20th Aug

66AQI

Avg. Lowest Time
5PM20th Aug

40AQI

Night time
Avg. Highest Time
6AM20th Aug

65AQI

Avg. Lowest Time
11PM20th Aug

40AQI

In the last 24 hours,

Port Isabel's AQI reached its highest point of 66 at 7 AM during the Day, while the lowest point, 40, was recorded at 11 PM during the Night between 20th Aug and 21st Aug 2025.

Day & Night AQI Trend : Jul - Aug 2025

Port Isabel, Texas, United States

JulAug
22nd - 23rd23rd - 24th24th - 25th25th - 26th26th - 27th27th - 28th28th - 29th29th - 30th30th - 31st31st - 01st01st - 02nd02nd - 03rd03rd - 04th04th - 05th05th - 06th06th - 07th07th - 08th08th - 09th09th - 10th10th - 11th11th - 12th12th - 13th13th - 14th14th - 15th15th - 16th16th - 17th17th - 18th18th - 19th19th - 20th20th - 21st21st
Day
Night
22nd Jul 2025346 AMAQI
22nd Jul 2025347 AMAQI
22nd Jul 2025348 AMAQI
22nd Jul 2025369 AMAQI
22nd Jul 20253610 AMAQI
22nd Jul 20254511 AMAQI
22nd Jul 20254512 PMAQI
22nd Jul 2025381 PMAQI
22nd Jul 2025382 PMAQI
22nd Jul 2025403 PMAQI
22nd Jul 2025404 PMAQI
22nd Jul 2025395 PMAQI
22nd Jul 2025406 PMAQI
22nd Jul 2025407 PMAQI
22nd Jul 2025368 PMAQI
22nd Jul 2025379 PMAQI
22nd Jul 20253710 PMAQI
22nd Jul 20253611 PMAQI
23rd Jul 20253512 AMAQI
23rd Jul 2025381 AMAQI
23rd Jul 2025392 AMAQI
23rd Jul 2025373 AMAQI
23rd Jul 2025374 AMAQI
23rd Jul 2025365 AMAQI

28°C27/30°C

23rd Jul 2025366 AMAQI
23rd Jul 2025337 AMAQI
23rd Jul 2025318 AMAQI
23rd Jul 2025309 AMAQI
23rd Jul 20253810 AMAQI
23rd Jul 20253711 AMAQI
23rd Jul 20253612 PMAQI
23rd Jul 2025331 PMAQI
23rd Jul 2025342 PMAQI
23rd Jul 2025343 PMAQI
23rd Jul 2025344 PMAQI
23rd Jul 2025345 PMAQI
23rd Jul 2025346 PMAQI
23rd Jul 2025357 PMAQI
23rd Jul 2025358 PMAQI
23rd Jul 2025369 PMAQI
23rd Jul 20253410 PMAQI
23rd Jul 20253311 PMAQI
24th Jul 20253312 AMAQI
24th Jul 2025331 AMAQI
24th Jul 2025262 AMAQI
24th Jul 2025243 AMAQI
24th Jul 2025244 AMAQI
24th Jul 2025195 AMAQI

27°C26/28°C

24th Jul 2025266 AMAQI
24th Jul 2025327 AMAQI
24th Jul 2025308 AMAQI
24th Jul 2025329 AMAQI
24th Jul 20253010 AMAQI
24th Jul 20253611 AMAQI
24th Jul 20253912 PMAQI
24th Jul 2025391 PMAQI
24th Jul 2025392 PMAQI
24th Jul 2025353 PMAQI
24th Jul 2025344 PMAQI
24th Jul 2025355 PMAQI
24th Jul 2025346 PMAQI
24th Jul 2025317 PMAQI
24th Jul 2025328 PMAQI
24th Jul 2025369 PMAQI
24th Jul 20253410 PMAQI
24th Jul 20253611 PMAQI
25th Jul 20253412 AMAQI
25th Jul 2025301 AMAQI
25th Jul 2025262 AMAQI
25th Jul 2025203 AMAQI
25th Jul 2025284 AMAQI
25th Jul 2025265 AMAQI

28°C26/30°C

25th Jul 2025296 AMAQI
25th Jul 2025267 AMAQI
25th Jul 2025278 AMAQI
25th Jul 2025289 AMAQI
25th Jul 20252510 AMAQI
25th Jul 20253011 AMAQI
25th Jul 20253412 PMAQI
25th Jul 2025361 PMAQI
25th Jul 2025362 PMAQI
25th Jul 2025333 PMAQI
25th Jul 2025334 PMAQI
25th Jul 2025345 PMAQI
25th Jul 2025366 PMAQI
25th Jul 2025337 PMAQI
25th Jul 2025378 PMAQI
25th Jul 2025419 PMAQI
25th Jul 20254210 PMAQI
25th Jul 20254311 PMAQI
26th Jul 20254612 AMAQI
26th Jul 2025461 AMAQI
26th Jul 2025442 AMAQI
26th Jul 2025423 AMAQI
26th Jul 2025434 AMAQI
26th Jul 2025455 AMAQI

27°C26/29°C

26th Jul 2025456 AMAQI
26th Jul 2025447 AMAQI
26th Jul 2025428 AMAQI
26th Jul 2025419 AMAQI
26th Jul 20254110 AMAQI
26th Jul 20254211 AMAQI
26th Jul 20254312 PMAQI
26th Jul 2025441 PMAQI
26th Jul 2025442 PMAQI
26th Jul 2025443 PMAQI
26th Jul 2025484 PMAQI
26th Jul 2025485 PMAQI
26th Jul 2025476 PMAQI
26th Jul 2025487 PMAQI
26th Jul 2025528 PMAQI
26th Jul 2025519 PMAQI
26th Jul 20255010 PMAQI
26th Jul 20254911 PMAQI
27th Jul 20255212 AMAQI
27th Jul 2025531 AMAQI
27th Jul 2025542 AMAQI
27th Jul 2025513 AMAQI
27th Jul 2025524 AMAQI
27th Jul 2025505 AMAQI

28°C27/29°C

27th Jul 2025516 AMAQI
27th Jul 2025497 AMAQI
27th Jul 2025448 AMAQI
27th Jul 2025439 AMAQI
27th Jul 20254210 AMAQI
27th Jul 20254211 AMAQI
27th Jul 20254512 PMAQI
27th Jul 2025451 PMAQI
27th Jul 2025442 PMAQI
27th Jul 2025483 PMAQI
27th Jul 2025494 PMAQI
27th Jul 2025495 PMAQI
27th Jul 2025476 PMAQI
27th Jul 2025427 PMAQI
27th Jul 2025478 PMAQI
27th Jul 2025529 PMAQI
27th Jul 20255210 PMAQI
27th Jul 20255411 PMAQI
28th Jul 20255412 AMAQI
28th Jul 2025531 AMAQI
28th Jul 2025532 AMAQI
28th Jul 2025523 AMAQI
28th Jul 2025554 AMAQI
28th Jul 2025565 AMAQI

28°C27/29°C

28th Jul 2025586 AMAQI
28th Jul 2025567 AMAQI
28th Jul 2025588 AMAQI
28th Jul 2025589 AMAQI
28th Jul 20256010 AMAQI
28th Jul 20256011 AMAQI
28th Jul 20256012 PMAQI
28th Jul 2025581 PMAQI
28th Jul 2025582 PMAQI
28th Jul 2025583 PMAQI
28th Jul 2025584 PMAQI
28th Jul 2025585 PMAQI
28th Jul 2025586 PMAQI
28th Jul 2025587 PMAQI
28th Jul 2025568 PMAQI
28th Jul 2025589 PMAQI
28th Jul 20255810 PMAQI
28th Jul 20255611 PMAQI
29th Jul 20255812 AMAQI
29th Jul 2025591 AMAQI
29th Jul 2025592 AMAQI
29th Jul 2025603 AMAQI
29th Jul 2025584 AMAQI
29th Jul 2025585 AMAQI

28°C27/29°C

29th Jul 2025586 AMAQI
29th Jul 2025587 AMAQI
29th Jul 2025588 AMAQI
29th Jul 2025569 AMAQI
29th Jul 20255710 AMAQI
29th Jul 20255711 AMAQI
29th Jul 20255812 PMAQI
29th Jul 2025601 PMAQI
29th Jul 2025612 PMAQI
29th Jul 2025593 PMAQI
29th Jul 2025594 PMAQI
29th Jul 2025595 PMAQI
29th Jul 2025576 PMAQI
29th Jul 2025587 PMAQI
29th Jul 2025598 PMAQI
29th Jul 2025589 PMAQI
29th Jul 20255810 PMAQI
29th Jul 20255811 PMAQI
30th Jul 20255812 AMAQI
30th Jul 2025581 AMAQI
30th Jul 2025542 AMAQI
30th Jul 2025553 AMAQI
30th Jul 2025534 AMAQI
30th Jul 2025545 AMAQI

27°C26/28°C

30th Jul 2025556 AMAQI
30th Jul 2025557 AMAQI
30th Jul 2025568 AMAQI
30th Jul 2025579 AMAQI
30th Jul 20256110 AMAQI
30th Jul 20256011 AMAQI
30th Jul 20255812 PMAQI
30th Jul 2025581 PMAQI
30th Jul 2025582 PMAQI
30th Jul 2025573 PMAQI
30th Jul 2025574 PMAQI
30th Jul 2025575 PMAQI
30th Jul 2025576 PMAQI
30th Jul 2025577 PMAQI
30th Jul 2025578 PMAQI
30th Jul 2025569 PMAQI
30th Jul 20255610 PMAQI
30th Jul 20255411 PMAQI
31st Jul 20255512 AMAQI
31st Jul 2025551 AMAQI
31st Jul 2025512 AMAQI
31st Jul 2025493 AMAQI
31st Jul 2025504 AMAQI
31st Jul 2025495 AMAQI

27°C25/28°C

31st Jul 2025516 AMAQI
31st Jul 2025547 AMAQI
31st Jul 2025548 AMAQI
31st Jul 2025549 AMAQI
31st Jul 20255610 AMAQI
31st Jul 20255511 AMAQI
31st Jul 20255312 PMAQI
31st Jul 2025521 PMAQI
31st Jul 2025402 PMAQI
31st Jul 2025453 PMAQI
31st Jul 2025424 PMAQI
31st Jul 2025375 PMAQI
31st Jul 2025376 PMAQI
31st Jul 2025547 PMAQI
31st Jul 2025558 PMAQI
31st Jul 2025539 PMAQI
31st Jul 20254410 PMAQI
31st Jul 20253711 PMAQI
1st Aug 20254012 AMAQI
1st Aug 2025441 AMAQI
1st Aug 2025422 AMAQI
1st Aug 2025413 AMAQI
1st Aug 2025424 AMAQI
1st Aug 2025405 AMAQI

28°C26/30°C

1st Aug 2025456 AMAQI
1st Aug 2025457 AMAQI
1st Aug 2025468 AMAQI
1st Aug 2025509 AMAQI
1st Aug 20255010 AMAQI
1st Aug 20255211 AMAQI
1st Aug 20255112 PMAQI
1st Aug 2025521 PMAQI
1st Aug 2025522 PMAQI
1st Aug 2025523 PMAQI
1st Aug 2025484 PMAQI
1st Aug 2025435 PMAQI
1st Aug 2025436 PMAQI
1st Aug 2025507 PMAQI
1st Aug 2025498 PMAQI
1st Aug 2025489 PMAQI
1st Aug 20254410 PMAQI
1st Aug 20253911 PMAQI
2nd Aug 20253512 AMAQI
2nd Aug 2025351 AMAQI
2nd Aug 2025322 AMAQI
2nd Aug 2025343 AMAQI
2nd Aug 2025364 AMAQI
2nd Aug 2025345 AMAQI

28°C26/31°C

2nd Aug 2025366 AMAQI
2nd Aug 2025377 AMAQI
2nd Aug 2025388 AMAQI
2nd Aug 2025349 AMAQI
2nd Aug 20254010 AMAQI
2nd Aug 20253811 AMAQI
2nd Aug 20254412 PMAQI
2nd Aug 2025421 PMAQI
2nd Aug 2025432 PMAQI
2nd Aug 2025433 PMAQI
2nd Aug 2025364 PMAQI
2nd Aug 2025285 PMAQI
2nd Aug 2025286 PMAQI
2nd Aug 2025397 PMAQI
2nd Aug 2025368 PMAQI
2nd Aug 2025379 PMAQI
2nd Aug 20253610 PMAQI
2nd Aug 20252811 PMAQI
3rd Aug 20253212 AMAQI
3rd Aug 2025361 AMAQI
3rd Aug 2025352 AMAQI
3rd Aug 2025353 AMAQI
3rd Aug 2025394 AMAQI
3rd Aug 2025415 AMAQI

28°C27/31°C

3rd Aug 2025426 AMAQI
3rd Aug 2025397 AMAQI
3rd Aug 2025418 AMAQI
3rd Aug 2025429 AMAQI
3rd Aug 20254410 AMAQI
3rd Aug 20254611 AMAQI
3rd Aug 20254812 PMAQI
3rd Aug 2025501 PMAQI
3rd Aug 2025512 PMAQI
3rd Aug 2025503 PMAQI
3rd Aug 2025484 PMAQI
3rd Aug 2025445 PMAQI
3rd Aug 2025396 PMAQI
3rd Aug 2025467 PMAQI
3rd Aug 2025468 PMAQI
3rd Aug 2025479 PMAQI
3rd Aug 20254810 PMAQI
3rd Aug 20253711 PMAQI
4th Aug 20253412 AMAQI
4th Aug 2025371 AMAQI
4th Aug 2025352 AMAQI
4th Aug 2025413 AMAQI
4th Aug 2025404 AMAQI
4th Aug 2025465 AMAQI

28°C27/30°C

4th Aug 2025516 AMAQI
4th Aug 2025607 AMAQI
4th Aug 2025588 AMAQI
4th Aug 2025529 AMAQI
4th Aug 20254910 AMAQI
4th Aug 20254711 AMAQI
4th Aug 20254612 PMAQI
4th Aug 2025511 PMAQI
4th Aug 2025522 PMAQI
4th Aug 2025523 PMAQI
4th Aug 2025544 PMAQI
4th Aug 2025485 PMAQI
4th Aug 2025426 PMAQI
4th Aug 2025457 PMAQI
4th Aug 2025418 PMAQI
4th Aug 2025389 PMAQI
4th Aug 20253810 PMAQI
4th Aug 20253311 PMAQI
5th Aug 20254512 AMAQI
5th Aug 2025491 AMAQI
5th Aug 2025492 AMAQI
5th Aug 2025463 AMAQI
5th Aug 2025404 AMAQI
5th Aug 2025505 AMAQI

28°C27/31°C

5th Aug 2025446 AMAQI
5th Aug 2025427 AMAQI
5th Aug 2025458 AMAQI
5th Aug 2025399 AMAQI
5th Aug 20254810 AMAQI
5th Aug 20254911 AMAQI
5th Aug 20255312 PMAQI
5th Aug 2025471 PMAQI
5th Aug 2025462 PMAQI
5th Aug 2025453 PMAQI
5th Aug 2025484 PMAQI
5th Aug 2025425 PMAQI
5th Aug 2025376 PMAQI
5th Aug 2025427 PMAQI
5th Aug 2025398 PMAQI
5th Aug 2025379 PMAQI
5th Aug 20253610 PMAQI
5th Aug 20253311 PMAQI
6th Aug 20253112 AMAQI
6th Aug 2025311 AMAQI
6th Aug 2025292 AMAQI
6th Aug 2025303 AMAQI
6th Aug 2025274 AMAQI
6th Aug 2025305 AMAQI

28°C27/29°C

6th Aug 2025306 AMAQI
6th Aug 2025297 AMAQI
6th Aug 2025368 AMAQI
6th Aug 2025349 AMAQI
6th Aug 20253810 AMAQI
6th Aug 20253811 AMAQI
6th Aug 20253812 PMAQI
6th Aug 2025381 PMAQI
6th Aug 2025382 PMAQI
6th Aug 2025383 PMAQI
6th Aug 2025394 PMAQI
6th Aug 2025395 PMAQI
6th Aug 2025396 PMAQI
6th Aug 2025327 PMAQI
6th Aug 2025338 PMAQI
6th Aug 2025339 PMAQI
6th Aug 20253310 PMAQI
6th Aug 20253111 PMAQI
7th Aug 20253112 AMAQI
7th Aug 2025321 AMAQI
7th Aug 2025322 AMAQI
7th Aug 2025303 AMAQI
7th Aug 2025244 AMAQI
7th Aug 2025215 AMAQI

28°C27/30°C

7th Aug 2025226 AMAQI
7th Aug 2025307 AMAQI
7th Aug 2025288 AMAQI
7th Aug 2025269 AMAQI
7th Aug 20252410 AMAQI
7th Aug 20254411 AMAQI
7th Aug 20254012 PMAQI
7th Aug 2025361 PMAQI
7th Aug 2025362 PMAQI
7th Aug 2025353 PMAQI
7th Aug 2025344 PMAQI
7th Aug 2025345 PMAQI
7th Aug 2025326 PMAQI
7th Aug 2025307 PMAQI
7th Aug 2025298 PMAQI
7th Aug 2025329 PMAQI
7th Aug 20253210 PMAQI
7th Aug 20253211 PMAQI
8th Aug 20253212 AMAQI
8th Aug 2025311 AMAQI
8th Aug 2025292 AMAQI
8th Aug 2025393 AMAQI
8th Aug 2025394 AMAQI
8th Aug 2025435 AMAQI

28°C27/30°C

8th Aug 2025366 AMAQI
8th Aug 2025377 AMAQI
8th Aug 2025408 AMAQI
8th Aug 2025459 AMAQI
8th Aug 20253610 AMAQI
8th Aug 20254711 AMAQI
8th Aug 20255012 PMAQI
8th Aug 2025421 PMAQI
8th Aug 2025422 PMAQI
8th Aug 2025383 PMAQI
8th Aug 2025384 PMAQI
8th Aug 2025385 PMAQI
8th Aug 2025386 PMAQI
8th Aug 2025357 PMAQI
8th Aug 2025338 PMAQI
8th Aug 2025389 PMAQI
8th Aug 20253810 PMAQI
8th Aug 20253711 PMAQI
9th Aug 20253812 AMAQI
9th Aug 2025371 AMAQI
9th Aug 2025402 AMAQI
9th Aug 2025483 AMAQI
9th Aug 2025454 AMAQI
9th Aug 2025435 AMAQI

28°C27/29°C

9th Aug 2025466 AMAQI
9th Aug 2025487 AMAQI
9th Aug 2025448 AMAQI
9th Aug 2025469 AMAQI
9th Aug 20254110 AMAQI
9th Aug 20255511 AMAQI
9th Aug 20255212 PMAQI
9th Aug 2025471 PMAQI
9th Aug 2025422 PMAQI
9th Aug 2025423 PMAQI
9th Aug 2025434 PMAQI
9th Aug 2025415 PMAQI
9th Aug 2025426 PMAQI
9th Aug 2025407 PMAQI
9th Aug 2025398 PMAQI
9th Aug 2025399 PMAQI
9th Aug 20253810 PMAQI
9th Aug 20253811 PMAQI
10th Aug 20253812 AMAQI
10th Aug 2025381 AMAQI
10th Aug 2025322 AMAQI
10th Aug 2025253 AMAQI
10th Aug 2025304 AMAQI
10th Aug 2025295 AMAQI

28°C27/30°C

10th Aug 2025286 AMAQI
10th Aug 2025297 AMAQI
10th Aug 2025298 AMAQI
10th Aug 2025289 AMAQI
10th Aug 20253110 AMAQI
10th Aug 20253411 AMAQI
10th Aug 20253412 PMAQI
10th Aug 2025331 PMAQI
10th Aug 2025312 PMAQI
10th Aug 2025293 PMAQI
10th Aug 2025304 PMAQI
10th Aug 2025305 PMAQI
10th Aug 2025316 PMAQI
10th Aug 2025307 PMAQI
10th Aug 2025308 PMAQI
10th Aug 2025309 PMAQI
10th Aug 20252910 PMAQI
10th Aug 20252811 PMAQI
11th Aug 20252812 AMAQI
11th Aug 2025271 AMAQI
11th Aug 2025292 AMAQI
11th Aug 2025243 AMAQI
11th Aug 2025284 AMAQI
11th Aug 2025285 AMAQI

28°C27/29°C

11th Aug 2025286 AMAQI
11th Aug 2025317 AMAQI
11th Aug 2025358 AMAQI
11th Aug 2025359 AMAQI
11th Aug 20253310 AMAQI
11th Aug 20253411 AMAQI
11th Aug 20253412 PMAQI
11th Aug 2025351 PMAQI
11th Aug 2025352 PMAQI
11th Aug 2025343 PMAQI
11th Aug 2025314 PMAQI
11th Aug 2025305 PMAQI
11th Aug 2025326 PMAQI
11th Aug 2025307 PMAQI
11th Aug 2025318 PMAQI
11th Aug 2025329 PMAQI
11th Aug 20253210 PMAQI
11th Aug 20252911 PMAQI
12th Aug 20253012 AMAQI
12th Aug 2025281 AMAQI
12th Aug 2025282 AMAQI
12th Aug 2025263 AMAQI
12th Aug 2025254 AMAQI
12th Aug 2025275 AMAQI

28°C27/29°C

12th Aug 2025286 AMAQI
12th Aug 2025327 AMAQI
12th Aug 2025348 AMAQI
12th Aug 2025369 AMAQI
12th Aug 20253510 AMAQI
12th Aug 20253411 AMAQI
12th Aug 20253812 PMAQI
12th Aug 2025331 PMAQI
12th Aug 2025342 PMAQI
12th Aug 2025343 PMAQI
12th Aug 2025374 PMAQI
12th Aug 2025325 PMAQI
12th Aug 2025296 PMAQI
12th Aug 2025347 PMAQI
12th Aug 2025328 PMAQI
12th Aug 2025329 PMAQI
12th Aug 20253910 PMAQI
12th Aug 20252111 PMAQI
13th Aug 20252112 AMAQI
13th Aug 2025231 AMAQI
13th Aug 2025262 AMAQI
13th Aug 2025273 AMAQI
13th Aug 2025284 AMAQI
13th Aug 2025315 AMAQI

28°C27/29°C

13th Aug 2025346 AMAQI
13th Aug 2025357 AMAQI
13th Aug 2025398 AMAQI
13th Aug 2025449 AMAQI
13th Aug 20255010 AMAQI
13th Aug 20255311 AMAQI
13th Aug 20255412 PMAQI
13th Aug 2025571 PMAQI
13th Aug 2025622 PMAQI
13th Aug 2025613 PMAQI
13th Aug 2025594 PMAQI
13th Aug 2025605 PMAQI
13th Aug 2025586 PMAQI
13th Aug 2025417 PMAQI
13th Aug 2025468 PMAQI
13th Aug 2025549 PMAQI
13th Aug 20255010 PMAQI
13th Aug 20255111 PMAQI
14th Aug 20255412 AMAQI
14th Aug 2025531 AMAQI
14th Aug 2025532 AMAQI
14th Aug 2025503 AMAQI
14th Aug 2025514 AMAQI
14th Aug 2025465 AMAQI

29°C27/31°C

14th Aug 2025436 AMAQI
14th Aug 2025467 AMAQI
14th Aug 2025518 AMAQI
14th Aug 2025539 AMAQI
14th Aug 20255410 AMAQI
14th Aug 20255311 AMAQI
14th Aug 20255312 PMAQI
14th Aug 2025551 PMAQI
14th Aug 2025542 PMAQI
14th Aug 2025543 PMAQI
14th Aug 2025534 PMAQI
14th Aug 2025485 PMAQI
14th Aug 2025496 PMAQI
14th Aug 2025557 PMAQI
14th Aug 2025538 PMAQI
14th Aug 2025519 PMAQI
14th Aug 20255010 PMAQI
14th Aug 20254811 PMAQI
15th Aug 20254712 AMAQI
15th Aug 2025441 AMAQI
15th Aug 2025442 AMAQI
15th Aug 2025423 AMAQI
15th Aug 2025404 AMAQI
15th Aug 2025395 AMAQI

29°C28/30°C

15th Aug 2025386 AMAQI
15th Aug 2025377 AMAQI
15th Aug 2025368 AMAQI
15th Aug 2025329 AMAQI
15th Aug 20253410 AMAQI
15th Aug 20253811 AMAQI
15th Aug 20253812 PMAQI
15th Aug 2025351 PMAQI
15th Aug 2025342 PMAQI
15th Aug 2025343 PMAQI
15th Aug 2025344 PMAQI
15th Aug 2025335 PMAQI
15th Aug 2025356 PMAQI
15th Aug 2025367 PMAQI
15th Aug 2025368 PMAQI
15th Aug 2025389 PMAQI
15th Aug 20253510 PMAQI
15th Aug 20253711 PMAQI
16th Aug 20253412 AMAQI
16th Aug 2025351 AMAQI
16th Aug 2025322 AMAQI
16th Aug 2025303 AMAQI
16th Aug 2025354 AMAQI
16th Aug 2025405 AMAQI

28°C28/29°C

16th Aug 2025466 AMAQI
16th Aug 2025517 AMAQI
16th Aug 2025538 AMAQI
16th Aug 2025569 AMAQI
16th Aug 20255910 AMAQI
16th Aug 20256011 AMAQI
16th Aug 20256312 PMAQI
16th Aug 2025631 PMAQI
16th Aug 2025632 PMAQI
16th Aug 2025623 PMAQI
16th Aug 2025624 PMAQI
16th Aug 2025645 PMAQI
16th Aug 2025656 PMAQI
16th Aug 2025557 PMAQI
16th Aug 2025608 PMAQI
16th Aug 2025629 PMAQI
16th Aug 20256410 PMAQI
16th Aug 20256211 PMAQI
17th Aug 20255912 AMAQI
17th Aug 2025581 AMAQI
17th Aug 2025572 AMAQI
17th Aug 2025563 AMAQI
17th Aug 2025544 AMAQI
17th Aug 2025555 AMAQI

28°C27/30°C

17th Aug 2025526 AMAQI
17th Aug 2025517 AMAQI
17th Aug 2025508 AMAQI
17th Aug 2025479 AMAQI
17th Aug 20254710 AMAQI
17th Aug 20254811 AMAQI
17th Aug 20254612 PMAQI
17th Aug 2025441 PMAQI
17th Aug 2025452 PMAQI
17th Aug 2025423 PMAQI
17th Aug 2025394 PMAQI
17th Aug 2025335 PMAQI
17th Aug 2025336 PMAQI
17th Aug 2025527 PMAQI
17th Aug 2025488 PMAQI
17th Aug 2025459 PMAQI
17th Aug 20254510 PMAQI
17th Aug 20252711 PMAQI
18th Aug 20253012 AMAQI
18th Aug 2025331 AMAQI
18th Aug 2025322 AMAQI
18th Aug 2025303 AMAQI
18th Aug 2025304 AMAQI
18th Aug 2025305 AMAQI

28°C27/30°C

18th Aug 2025316 AMAQI
18th Aug 2025327 AMAQI
18th Aug 2025368 AMAQI
18th Aug 2025409 AMAQI
18th Aug 20253410 AMAQI
18th Aug 20253411 AMAQI
18th Aug 20253412 PMAQI
18th Aug 2025381 PMAQI
18th Aug 2025412 PMAQI
18th Aug 2025373 PMAQI
18th Aug 2025404 PMAQI
18th Aug 2025425 PMAQI
18th Aug 2025486 PMAQI
18th Aug 2025347 PMAQI
18th Aug 2025328 PMAQI
18th Aug 2025369 PMAQI
18th Aug 20253610 PMAQI
18th Aug 20253211 PMAQI
19th Aug 20253512 AMAQI
19th Aug 2025311 AMAQI
19th Aug 2025362 AMAQI
19th Aug 2025363 AMAQI
19th Aug 2025384 AMAQI
19th Aug 2025455 AMAQI

28°C27/30°C

19th Aug 2025426 AMAQI
19th Aug 2025427 AMAQI
19th Aug 2025518 AMAQI
19th Aug 2025529 AMAQI
19th Aug 20254010 AMAQI
19th Aug 20253911 AMAQI
19th Aug 20254112 PMAQI
19th Aug 2025441 PMAQI
19th Aug 2025432 PMAQI
19th Aug 2025473 PMAQI
19th Aug 2025504 PMAQI
19th Aug 2025515 PMAQI
19th Aug 2025506 PMAQI
19th Aug 2025467 PMAQI
19th Aug 2025428 PMAQI
19th Aug 2025409 PMAQI
19th Aug 20253910 PMAQI
19th Aug 20254611 PMAQI
20th Aug 20254712 AMAQI
20th Aug 2025501 AMAQI
20th Aug 2025472 AMAQI
20th Aug 2025433 AMAQI
20th Aug 2025454 AMAQI
20th Aug 2025565 AMAQI

28°C27/30°C

20th Aug 2025656 AMAQI
20th Aug 2025667 AMAQI
20th Aug 2025588 AMAQI
20th Aug 2025609 AMAQI
20th Aug 20255210 AMAQI
20th Aug 20254811 AMAQI
20th Aug 20255112 PMAQI
20th Aug 2025511 PMAQI
20th Aug 2025502 PMAQI
20th Aug 2025463 PMAQI
20th Aug 2025424 PMAQI
20th Aug 2025405 PMAQI
20th Aug 2025416 PMAQI
20th Aug 2025527 PMAQI
20th Aug 2025478 PMAQI
20th Aug 2025429 PMAQI
20th Aug 20254410 PMAQI
20th Aug 20254011 PMAQI
21st Aug 20254512 AMAQI
21st Aug 2025481 AMAQI
21st Aug 2025492 AMAQI
21st Aug 2025503 AMAQI
21st Aug 2025524 AMAQI
21st Aug 2025525 AMAQI

28°C27/29°C

21st Aug 2025546 AMAQI
6 AM
21st Aug 2025527 AMAQI
21st Aug 2025528 AMAQI
21st Aug 2025529 AMAQI
21st Aug 20255010 AMAQI
21st Aug 20255011 AMAQI
21st Aug 20255112 PMAQI
21st Aug 2025511 PMAQI
1 PM
8 PM
1 AM
5 AM

--°C/°C

Day time
Avg. Highest Time
11 AM - 4 PM

45AQI

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

42AQI

5 hours / Day
150 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 11 AM to 4 PM (Avg. 45), while the lowest AQI was between 6 AM to 10 AM (Avg. 42).
Night time
Avg. Highest Time
9 PM - 10 PM

43AQI

2 hours / Day
60 hours / Month
Avg. Lowest Time
12 AM - 5 AM

40AQI

6 hours / Day
180 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 9 PM to 10 PM (Avg. 43), while the lowest AQI was between 12 AM to 5 AM (Avg. 40).

2025 Days Vs Air Quality

Port Isabel, Texas, United States

2025

54%

125

46%

107

Total number of days with different AQI categories in last 233 days in 2025 (132 days remaining)

Good
125 Days
Moderate
107 Days
Poor
0 Days
Unhealthy
0 Days
Severe
0 Days
Hazardous
0 Days

Under WHO’s Safe Air Quality Limits: 54%

Health Risk Level:

Considerable

In 2025, 54% of 233 days were within WHO’s safe air quality limits, and 46% exceeded them. The risk of health issues is Considerable, with potential for conditions in sensitive individuals.

Annual Air Quality Insights

Port Isabel, 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.

-1th undefined 2025
-1th undefined 2025
-1th undefined 2025
1st January 2025
57AQI
2nd January 2025
56AQI
3rd January 2025
42AQI
4th January 2025
44AQI
5th January 2025
43AQI
6th January 2025
40AQI
7th January 2025
27AQI
8th January 2025
31AQI
9th January 2025
36AQI
10th January 2025
23AQI
11th January 2025
24AQI
12th January 2025
26AQI
13th January 2025
29AQI
14th January 2025
32AQI
15th January 2025
25AQI
16th January 2025
37AQI
17th January 2025
46AQI
18th January 2025
44AQI
19th January 2025
46AQI
20th January 2025
38AQI
21st January 2025
26AQI
22nd January 2025
40AQI
23rd January 2025
27AQI
24th January 2025
38AQI
25th January 2025
41AQI
26th January 2025
50AQI
27th January 2025
46AQI
28th January 2025
51AQI
29th January 2025
54AQI
30th January 2025
57AQI
31st January 2025
55AQI
1st February 2025
47AQI
2nd February 2025
35AQI
3rd February 2025
25AQI
4th February 2025
34AQI
5th February 2025
36AQI
6th February 2025
38AQI
7th February 2025
43AQI
8th February 2025
46AQI
9th February 2025
45AQI
10th February 2025
51AQI
11th February 2025
52AQI
12th February 2025
66AQI
13th February 2025
34AQI
14th February 2025
32AQI
15th February 2025
48AQI
16th February 2025
44AQI
17th February 2025
41AQI
18th February 2025
40AQI
19th February 2025
31AQI
20th February 2025
32AQI
21st February 2025
33AQI
22nd February 2025
34AQI
23rd February 2025
27AQI
24th February 2025
26AQI
25th February 2025
24AQI
26th February 2025
26AQI
27th February 2025
35AQI
28th February 2025
42AQI
1st March 2025
39AQI
2nd March 2025
40AQI
3rd March 2025
48AQI
4th March 2025
68AQI
5th March 2025
71AQI
6th March 2025
45AQI
7th March 2025
56AQI
8th March 2025
75AQI
9th March 2025
46AQI
10th March 2025
38AQI
11th March 2025
36AQI
12th March 2025
48AQI
13th March 2025
57AQI
14th March 2025
87AQI
15th March 2025
95AQI
16th March 2025
72AQI
17th March 2025
51AQI
18th March 2025
51AQI
19th March 2025
69AQI
20th March 2025
52AQI
21st March 2025
47AQI
22nd March 2025
44AQI
23rd March 2025
49AQI
24th March 2025
56AQI
25th March 2025
54AQI
26th March 2025
44AQI
27th March 2025
50AQI
28th March 2025
48AQI
29th March 2025
63AQI
30th March 2025
76AQI
31st March 2025
73AQI
1st April 2025
59AQI
2nd April 2025
66AQI
3rd April 2025
71AQI
4th April 2025
66AQI
5th April 2025
61AQI
6th April 2025
31AQI
7th April 2025
30AQI
8th April 2025
31AQI
9th April 2025
27AQI
10th April 2025
27AQI
11th April 2025
30AQI
12th April 2025
33AQI
13th April 2025
34AQI
14th April 2025
39AQI
15th April 2025
40AQI
16th April 2025
37AQI
17th April 2025
42AQI
18th April 2025
62AQI
19th April 2025
65AQI
20th April 2025
68AQI
21st April 2025
56AQI
22nd April 2025
54AQI
23rd April 2025
58AQI
24th April 2025
61AQI
25th April 2025
63AQI
26th April 2025
58AQI
27th April 2025
53AQI
28th April 2025
54AQI
29th April 2025
52AQI
30th April 2025
57AQI
1st May 2025
56AQI
2nd May 2025
52AQI
3rd May 2025
50AQI
4th May 2025
38AQI
5th May 2025
50AQI
6th May 2025
62AQI
7th May 2025
60AQI
8th May 2025
57AQI
9th May 2025
38AQI
10th May 2025
41AQI
11th May 2025
35AQI
12th May 2025
34AQI
13th May 2025
36AQI
14th May 2025
48AQI
15th May 2025
56AQI
16th May 2025
61AQI
17th May 2025
64AQI
18th May 2025
60AQI
19th May 2025
66AQI
20th May 2025
70AQI
21st May 2025
61AQI
22nd May 2025
54AQI
23rd May 2025
55AQI
24th May 2025
56AQI
25th May 2025
65AQI
26th May 2025
64AQI
27th May 2025
59AQI
28th May 2025
52AQI
29th May 2025
51AQI
30th May 2025
55AQI
31st May 2025
52AQI
1st June 2025
52AQI
2nd June 2025
62AQI
3rd June 2025
51AQI
4th June 2025
51AQI
5th June 2025
56AQI
6th June 2025
61AQI
7th June 2025
65AQI
8th June 2025
61AQI
9th June 2025
64AQI
10th June 2025
60AQI
11th June 2025
57AQI
12th June 2025
57AQI
13th June 2025
67AQI
14th June 2025
65AQI
15th June 2025
62AQI
16th June 2025
58AQI
17th June 2025
59AQI
18th June 2025
60AQI
19th June 2025
62AQI
20th June 2025
58AQI
21st June 2025
59AQI
22nd June 2025
60AQI
23rd June 2025
58AQI
24th June 2025
53AQI
25th June 2025
51AQI
26th June 2025
45AQI
27th June 2025
34AQI
28th June 2025
33AQI
29th June 2025
39AQI
30th June 2025
49AQI
1st July 2025
53AQI
2nd July 2025
48AQI
3rd July 2025
50AQI
4th July 2025
61AQI
5th July 2025
66AQI
6th July 2025
63AQI
7th July 2025
61AQI
8th July 2025
58AQI
9th July 2025
54AQI
10th July 2025
57AQI
11th July 2025
50AQI
12th July 2025
46AQI
13th July 2025
42AQI
14th July 2025
43AQI
15th July 2025
51AQI
16th July 2025
58AQI
17th July 2025
55AQI
18th July 2025
40AQI
19th July 2025
49AQI
20th July 2025
45AQI
21st July 2025
46AQI
22nd July 2025
38AQI
23rd July 2025
35AQI
24th July 2025
31AQI
25th July 2025
32AQI
26th July 2025
45AQI
27th July 2025
49AQI
28th July 2025
57AQI
29th July 2025
58AQI
30th July 2025
56AQI
31st July 2025
49AQI
1st August 2025
46AQI
2nd August 2025
36AQI
3rd August 2025
42AQI
4th August 2025
44AQI
5th August 2025
44AQI
6th August 2025
33AQI
7th August 2025
31AQI
8th August 2025
38AQI
9th August 2025
43AQI
10th August 2025
31AQI
11th August 2025
31AQI
12th August 2025
31AQI
13th August 2025
43AQI
14th August 2025
51AQI
15th August 2025
38AQI
16th August 2025
52AQI
17th August 2025
48AQI
18th August 2025
35AQI
19th August 2025
42AQI
20th August 2025
50AQI
21st August 2025
22nd August 2025
23rd August 2025
24th August 2025
25th August 2025
26th August 2025
27th August 2025
28th August 2025
29th August 2025
30th August 2025
31st August 2025
1st September 2025
2nd September 2025
3rd September 2025
4th September 2025
5th September 2025
6th September 2025
7th September 2025
8th September 2025
9th September 2025
10th September 2025
11th September 2025
12th September 2025
13th September 2025
14th September 2025
15th September 2025
16th September 2025
17th September 2025
18th September 2025
19th September 2025
20th September 2025
21st September 2025
22nd September 2025
23rd September 2025
24th September 2025
25th September 2025
26th September 2025
27th September 2025
28th September 2025
29th September 2025
30th September 2025
1st October 2025
2nd October 2025
3rd October 2025
4th October 2025
5th October 2025
6th October 2025
7th October 2025
8th October 2025
9th October 2025
10th October 2025
11th October 2025
12th October 2025
13th October 2025
14th October 2025
15th October 2025
16th October 2025
17th October 2025
18th October 2025
19th October 2025
20th October 2025
21st October 2025
22nd October 2025
23rd October 2025
24th October 2025
25th October 2025
26th October 2025
27th October 2025
28th October 2025
29th October 2025
30th October 2025
31st October 2025
1st November 2025
2nd November 2025
3rd November 2025
4th November 2025
5th November 2025
6th November 2025
7th November 2025
8th November 2025
9th November 2025
10th November 2025
11th November 2025
12th November 2025
13th November 2025
14th November 2025
15th November 2025
16th November 2025
17th November 2025
18th November 2025
19th November 2025
20th November 2025
21st November 2025
22nd November 2025
23rd November 2025
24th November 2025
25th November 2025
26th November 2025
27th November 2025
28th November 2025
29th November 2025
30th November 2025
1st December 2025
2nd December 2025
3rd December 2025
4th December 2025
5th December 2025
6th December 2025
7th December 2025
8th December 2025
9th December 2025
10th December 2025
11th December 2025
12th December 2025
13th December 2025
14th December 2025
15th December 2025
16th December 2025
17th December 2025
18th December 2025
19th December 2025
20th December 2025
21st December 2025
22nd December 2025
23rd December 2025
24th December 2025
25th December 2025
26th December 2025
27th December 2025
28th December 2025
29th December 2025
30th December 2025
31st December 2025

40AQI

38AQI

56AQI

50AQI

53AQI

56AQI

50AQI

40AQI

No. of days

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

202548AQI

25
6
25
3
14
17
12
18
9
22
5
25
17
14
18
2
125
107

Highest AQI recorded in

March

56AQI

Lowest AQI recorded in

February

38AQI

202462AQI

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 recorded in

May

123AQI

Lowest AQI recorded in

August

38AQI

202343AQI

21
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
240
118
6

Highest AQI recorded in

July

57AQI

Lowest AQI recorded in

September

24AQI

202240AQI

19
3
18
4
25
6
8
22
9
22
17
10
3
17
7
2
27
2
29
2
29
1
27
2
227
81
3

Highest AQI recorded in

May

56AQI

Lowest AQI recorded in

October

28AQI

202142AQI

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 recorded in

April

58AQI

Lowest AQI recorded in

November

26AQI

202045AQI

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 recorded in

April

68AQI

Lowest AQI recorded in

December

31AQI

Most & Least Polluted Years Over the Last 6 Years

Most Polluted Year Recorded
2024(Avg.)
62AQI
Least Polluted Year Recorded
2022(Avg.)
40AQI

Port Isabel's annual 2025 AQI (48) shows an average percentage change of 6.5% (worsened AQI) compared to previous years: 2020 (45), 2021 (42), 2022 (40), 2023 (43), 2024 (62).