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HistoryAQIPM2.5PM10COSO2NO2O3

Big Bend National Park, 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

Big Bend National Park, Texas, United States

2025
AQI
.
Days

AQI Trends: Highest and Lowest

Highest AQI recorded on
1st Aug 2025
27AQI
Lowest AQI recorded on
1st Aug 2025
27AQI

Same Day Analysis (1st August ):
On this day, AQI across the 1 years varied significantly: 2025 ranks 1st highest AQI at 27 of Good air quality on the same day.

Download 2024 Annual Data

World Air Quality Report

Globe

Day & Night AQI Trend: 1st Aug - 2nd Aug 2025

Big Bend National Park, Texas, United States

AQI
Day
Night
.

7 AM1st Aug 2025

8 PM

6 AM2nd Aug 2025

Day time
Avg. Highest Time
5PM1st Aug

36AQI

Avg. Lowest Time
7AM1st Aug

23AQI

Night time
Avg. Highest Time
3AM2nd Aug

44AQI

Avg. Lowest Time
9PM1st Aug

27AQI

In the last 24 hours,

Big Bend National Park's AQI reached its highest point of 44 at 3 AM during the Night, while the lowest point, 23, was recorded at 7 AM during the Day between 1st Aug and 2nd Aug 2025.

Day & Night AQI Trend : Jul - Aug 2025

Big Bend National Park, 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 2025247 AMAQI
3rd Jul 2025228 AMAQI
3rd Jul 2025259 AMAQI
3rd Jul 20252410 AMAQI
3rd Jul 20252511 AMAQI
3rd Jul 20252612 PMAQI
3rd Jul 2025251 PMAQI
3rd Jul 2025292 PMAQI
3rd Jul 2025273 PMAQI
3rd Jul 2025274 PMAQI
3rd Jul 2025285 PMAQI
3rd Jul 2025266 PMAQI
3rd Jul 2025267 PMAQI
3rd Jul 2025268 PMAQI
3rd Jul 2025249 PMAQI
3rd Jul 20252310 PMAQI
3rd Jul 20252611 PMAQI
4th Jul 20253012 AMAQI
4th Jul 2025341 AMAQI
4th Jul 2025322 AMAQI
4th Jul 2025313 AMAQI
4th Jul 2025284 AMAQI
4th Jul 2025255 AMAQI
4th Jul 2025246 AMAQI

24°C22/28°C

4th Jul 2025287 AMAQI
4th Jul 2025268 AMAQI
4th Jul 2025279 AMAQI
4th Jul 20252710 AMAQI
4th Jul 20252911 AMAQI
4th Jul 20253012 PMAQI
4th Jul 2025311 PMAQI
4th Jul 2025312 PMAQI
4th Jul 2025323 PMAQI
4th Jul 2025304 PMAQI
4th Jul 2025315 PMAQI
4th Jul 2025306 PMAQI
4th Jul 2025307 PMAQI
4th Jul 2025298 PMAQI
4th Jul 2025289 PMAQI
4th Jul 20252810 PMAQI
4th Jul 20253211 PMAQI
5th Jul 20253712 AMAQI
5th Jul 2025401 AMAQI
5th Jul 2025422 AMAQI
5th Jul 2025423 AMAQI
5th Jul 2025384 AMAQI
5th Jul 2025355 AMAQI
5th Jul 2025336 AMAQI

27°C23/34°C

5th Jul 2025367 AMAQI
5th Jul 2025378 AMAQI
5th Jul 2025349 AMAQI
5th Jul 20253510 AMAQI
5th Jul 20253611 AMAQI
5th Jul 20253612 PMAQI
5th Jul 2025371 PMAQI
5th Jul 2025382 PMAQI
5th Jul 2025403 PMAQI
5th Jul 2025374 PMAQI
5th Jul 2025395 PMAQI
5th Jul 2025386 PMAQI
5th Jul 2025407 PMAQI
5th Jul 2025398 PMAQI
5th Jul 2025379 PMAQI
5th Jul 20253810 PMAQI
5th Jul 20253711 PMAQI
6th Jul 20254712 AMAQI
6th Jul 2025471 AMAQI
6th Jul 2025432 AMAQI
6th Jul 2025393 AMAQI
6th Jul 2025374 AMAQI
6th Jul 2025345 AMAQI
6th Jul 2025386 AMAQI

30°C23/37°C

6th Jul 2025417 AMAQI
6th Jul 2025438 AMAQI
6th Jul 2025469 AMAQI
6th Jul 20254710 AMAQI
6th Jul 20255011 AMAQI
6th Jul 20255112 PMAQI
6th Jul 2025491 PMAQI
6th Jul 2025452 PMAQI
6th Jul 2025443 PMAQI
6th Jul 2025424 PMAQI
6th Jul 2025425 PMAQI
6th Jul 2025416 PMAQI
6th Jul 2025437 PMAQI
6th Jul 2025448 PMAQI
6th Jul 2025499 PMAQI
6th Jul 20254810 PMAQI
6th Jul 20254011 PMAQI
7th Jul 20254012 AMAQI
7th Jul 2025401 AMAQI
7th Jul 2025382 AMAQI
7th Jul 2025343 AMAQI
7th Jul 2025314 AMAQI
7th Jul 2025315 AMAQI
7th Jul 2025296 AMAQI

28°C23/33°C

7th Jul 2025327 AMAQI
7th Jul 2025328 AMAQI
7th Jul 2025349 AMAQI
7th Jul 20253410 AMAQI
7th Jul 20253811 AMAQI
7th Jul 20254012 PMAQI
7th Jul 2025381 PMAQI
7th Jul 2025402 PMAQI
7th Jul 2025383 PMAQI
7th Jul 2025404 PMAQI
7th Jul 2025455 PMAQI
7th Jul 2025486 PMAQI
7th Jul 2025427 PMAQI
7th Jul 2025408 PMAQI
7th Jul 2025429 PMAQI
7th Jul 20253810 PMAQI
7th Jul 20253811 PMAQI
8th Jul 20253612 AMAQI
8th Jul 2025361 AMAQI
8th Jul 2025332 AMAQI
8th Jul 2025283 AMAQI
8th Jul 2025334 AMAQI
8th Jul 2025325 AMAQI
8th Jul 2025356 AMAQI

27°C21/33°C

8th Jul 2025347 AMAQI
8th Jul 2025348 AMAQI
8th Jul 2025369 AMAQI
8th Jul 20253810 AMAQI
8th Jul 20253811 AMAQI
8th Jul 20254012 PMAQI
8th Jul 2025391 PMAQI
8th Jul 2025382 PMAQI
8th Jul 2025363 PMAQI
8th Jul 2025354 PMAQI
8th Jul 2025355 PMAQI
8th Jul 2025386 PMAQI
8th Jul 2025427 PMAQI
8th Jul 2025358 PMAQI
8th Jul 2025399 PMAQI
8th Jul 20253610 PMAQI
8th Jul 20253711 PMAQI
9th Jul 20253612 AMAQI
9th Jul 2025411 AMAQI
9th Jul 2025472 AMAQI
9th Jul 2025513 AMAQI
9th Jul 2025544 AMAQI
9th Jul 2025535 AMAQI
9th Jul 2025546 AMAQI

27°C23/32°C

9th Jul 2025547 AMAQI
9th Jul 2025568 AMAQI
9th Jul 2025559 AMAQI
9th Jul 20255310 AMAQI
9th Jul 20255011 AMAQI
9th Jul 20254612 PMAQI
9th Jul 2025491 PMAQI
9th Jul 2025502 PMAQI
9th Jul 2025463 PMAQI
9th Jul 2025424 PMAQI
9th Jul 2025415 PMAQI
9th Jul 2025406 PMAQI
9th Jul 2025447 PMAQI
9th Jul 2025428 PMAQI
9th Jul 2025409 PMAQI
9th Jul 20253810 PMAQI
9th Jul 20253711 PMAQI
10th Jul 20254012 AMAQI
10th Jul 2025361 AMAQI
10th Jul 2025382 AMAQI
10th Jul 2025333 AMAQI
10th Jul 2025304 AMAQI
10th Jul 2025315 AMAQI
10th Jul 2025346 AMAQI

27°C21/33°C

10th Jul 2025417 AMAQI
10th Jul 2025378 AMAQI
10th Jul 2025379 AMAQI
10th Jul 20253810 AMAQI
10th Jul 20254411 AMAQI
10th Jul 20254212 PMAQI
10th Jul 2025391 PMAQI
10th Jul 2025442 PMAQI
10th Jul 2025393 PMAQI
10th Jul 2025414 PMAQI
10th Jul 2025415 PMAQI
10th Jul 2025386 PMAQI
10th Jul 2025397 PMAQI
10th Jul 2025378 PMAQI
10th Jul 2025409 PMAQI
10th Jul 20254410 PMAQI
10th Jul 20255111 PMAQI
11th Jul 20255512 AMAQI
11th Jul 2025621 AMAQI
11th Jul 2025882 AMAQI
11th Jul 2025973 AMAQI
11th Jul 20251024 AMAQI
11th Jul 20251205 AMAQI
11th Jul 20251056 AMAQI

28°C22/33°C

11th Jul 20251217 AMAQI
11th Jul 20251108 AMAQI
11th Jul 2025969 AMAQI
11th Jul 20257610 AMAQI
11th Jul 20257211 AMAQI
11th Jul 20257812 PMAQI
11th Jul 2025761 PMAQI
11th Jul 2025632 PMAQI
11th Jul 2025633 PMAQI
11th Jul 2025654 PMAQI
11th Jul 2025635 PMAQI
11th Jul 2025626 PMAQI
11th Jul 2025647 PMAQI
11th Jul 2025658 PMAQI
11th Jul 2025669 PMAQI
11th Jul 20256710 PMAQI
11th Jul 20257011 PMAQI
12th Jul 20257212 AMAQI
12th Jul 2025671 AMAQI
12th Jul 2025682 AMAQI
12th Jul 2025663 AMAQI
12th Jul 2025844 AMAQI
12th Jul 2025745 AMAQI
12th Jul 2025856 AMAQI

28°C21/36°C

12th Jul 2025767 AMAQI
12th Jul 2025698 AMAQI
12th Jul 2025979 AMAQI
12th Jul 20257410 AMAQI
12th Jul 20257011 AMAQI
12th Jul 202510812 PMAQI
12th Jul 2025841 PMAQI
12th Jul 2025712 PMAQI
12th Jul 2025863 PMAQI
12th Jul 2025754 PMAQI
12th Jul 2025745 PMAQI
12th Jul 2025826 PMAQI
12th Jul 2025687 PMAQI
12th Jul 2025748 PMAQI
12th Jul 2025679 PMAQI
12th Jul 20256510 PMAQI
12th Jul 20256811 PMAQI
13th Jul 20256512 AMAQI
13th Jul 2025791 AMAQI
13th Jul 2025672 AMAQI
13th Jul 2025613 AMAQI
13th Jul 2025584 AMAQI
13th Jul 2025535 AMAQI
13th Jul 2025526 AMAQI

28°C23/35°C

13th Jul 2025587 AMAQI
13th Jul 2025578 AMAQI
13th Jul 2025629 AMAQI
13th Jul 20255810 AMAQI
13th Jul 20255811 AMAQI
13th Jul 20255712 PMAQI
13th Jul 2025621 PMAQI
13th Jul 2025662 PMAQI
13th Jul 2025643 PMAQI
13th Jul 2025614 PMAQI
13th Jul 2025625 PMAQI
13th Jul 2025606 PMAQI
13th Jul 2025587 PMAQI
13th Jul 2025608 PMAQI
13th Jul 2025589 PMAQI
13th Jul 20255810 PMAQI
13th Jul 20255611 PMAQI
14th Jul 20255612 AMAQI
14th Jul 2025561 AMAQI
14th Jul 2025572 AMAQI
14th Jul 2025553 AMAQI
14th Jul 2025544 AMAQI
14th Jul 2025525 AMAQI
14th Jul 2025506 AMAQI

28°C22/33°C

14th Jul 2025517 AMAQI
14th Jul 2025508 AMAQI
14th Jul 2025509 AMAQI
14th Jul 20255210 AMAQI
14th Jul 20255311 AMAQI
14th Jul 20255412 PMAQI
14th Jul 2025561 PMAQI
14th Jul 2025582 PMAQI
14th Jul 2025563 PMAQI
14th Jul 2025564 PMAQI
14th Jul 2025575 PMAQI
14th Jul 2025556 PMAQI
14th Jul 2025537 PMAQI
14th Jul 2025528 PMAQI
14th Jul 2025509 PMAQI
14th Jul 20255210 PMAQI
14th Jul 20255211 PMAQI
15th Jul 20254912 AMAQI
15th Jul 2025481 AMAQI
15th Jul 2025442 AMAQI
15th Jul 2025353 AMAQI
15th Jul 2025324 AMAQI
15th Jul 2025305 AMAQI
15th Jul 2025336 AMAQI

27°C21/32°C

15th Jul 2025357 AMAQI
15th Jul 2025418 AMAQI
15th Jul 2025399 AMAQI
15th Jul 20253810 AMAQI
15th Jul 20253911 AMAQI
15th Jul 20254212 PMAQI
15th Jul 2025411 PMAQI
15th Jul 2025502 PMAQI
15th Jul 2025473 PMAQI
15th Jul 2025474 PMAQI
15th Jul 2025455 PMAQI
15th Jul 2025436 PMAQI
15th Jul 2025427 PMAQI
15th Jul 2025418 PMAQI
15th Jul 2025419 PMAQI
15th Jul 20254210 PMAQI
15th Jul 20254711 PMAQI
16th Jul 20255012 AMAQI
16th Jul 2025561 AMAQI
16th Jul 2025612 AMAQI
16th Jul 2025633 AMAQI
16th Jul 2025564 AMAQI
16th Jul 2025535 AMAQI
16th Jul 2025526 AMAQI

27°C21/34°C

16th Jul 2025527 AMAQI
16th Jul 2025538 AMAQI
16th Jul 2025529 AMAQI
16th Jul 20255210 AMAQI
16th Jul 20255211 AMAQI
16th Jul 20255412 PMAQI
16th Jul 2025521 PMAQI
16th Jul 2025532 PMAQI
16th Jul 2025523 PMAQI
16th Jul 2025554 PMAQI
16th Jul 2025535 PMAQI
16th Jul 2025536 PMAQI
16th Jul 2025517 PMAQI
16th Jul 2025538 PMAQI
16th Jul 2025509 PMAQI
16th Jul 20255110 PMAQI
16th Jul 20255211 PMAQI
17th Jul 20255212 AMAQI
17th Jul 2025521 AMAQI
17th Jul 2025552 AMAQI
17th Jul 2025583 AMAQI
17th Jul 2025594 AMAQI
17th Jul 2025545 AMAQI
17th Jul 2025526 AMAQI

29°C23/35°C

17th Jul 2025517 AMAQI
17th Jul 2025518 AMAQI
17th Jul 2025519 AMAQI
17th Jul 20255210 AMAQI
17th Jul 20255411 AMAQI
17th Jul 20255212 PMAQI
17th Jul 2025511 PMAQI
17th Jul 2025512 PMAQI
17th Jul 2025533 PMAQI
17th Jul 2025494 PMAQI
17th Jul 2025485 PMAQI
17th Jul 2025526 PMAQI
17th Jul 2025537 PMAQI
17th Jul 2025538 PMAQI
17th Jul 2025529 PMAQI
17th Jul 20255010 PMAQI
17th Jul 20255211 PMAQI
18th Jul 20254912 AMAQI
18th Jul 2025521 AMAQI
18th Jul 2025572 AMAQI
18th Jul 2025523 AMAQI
18th Jul 2025444 AMAQI
18th Jul 2025385 AMAQI
18th Jul 2025366 AMAQI

28°C23/35°C

18th Jul 2025417 AMAQI
18th Jul 2025408 AMAQI
18th Jul 2025409 AMAQI
18th Jul 20254410 AMAQI
18th Jul 20254111 AMAQI
18th Jul 20254612 PMAQI
18th Jul 2025451 PMAQI
18th Jul 2025442 PMAQI
18th Jul 2025423 PMAQI
18th Jul 2025424 PMAQI
18th Jul 2025425 PMAQI
18th Jul 2025436 PMAQI
18th Jul 2025407 PMAQI
18th Jul 2025428 PMAQI
18th Jul 2025429 PMAQI
18th Jul 20254310 PMAQI
18th Jul 20255511 PMAQI
19th Jul 20255412 AMAQI
19th Jul 2025491 AMAQI
19th Jul 2025432 AMAQI
19th Jul 2025333 AMAQI
19th Jul 2025394 AMAQI
19th Jul 2025295 AMAQI
19th Jul 2025326 AMAQI

28°C22/35°C

19th Jul 2025377 AMAQI
19th Jul 2025388 AMAQI
19th Jul 2025409 AMAQI
19th Jul 20254210 AMAQI
19th Jul 20254511 AMAQI
19th Jul 20254412 PMAQI
19th Jul 2025501 PMAQI
19th Jul 2025522 PMAQI
19th Jul 2025503 PMAQI
19th Jul 2025484 PMAQI
19th Jul 2025485 PMAQI
19th Jul 2025436 PMAQI
19th Jul 2025427 PMAQI
19th Jul 2025428 PMAQI
19th Jul 2025439 PMAQI
19th Jul 20254410 PMAQI
19th Jul 20255411 PMAQI
20th Jul 20255212 AMAQI
20th Jul 2025531 AMAQI
20th Jul 2025522 AMAQI
20th Jul 2025523 AMAQI
20th Jul 2025484 AMAQI
20th Jul 2025435 AMAQI
20th Jul 2025446 AMAQI

28°C22/35°C

20th Jul 2025457 AMAQI
20th Jul 2025448 AMAQI
20th Jul 2025429 AMAQI
20th Jul 20254410 AMAQI
20th Jul 20254311 AMAQI
20th Jul 20254412 PMAQI
20th Jul 2025411 PMAQI
20th Jul 2025442 PMAQI
20th Jul 2025493 PMAQI
20th Jul 2025414 PMAQI
20th Jul 2025415 PMAQI
20th Jul 2025476 PMAQI
20th Jul 2025487 PMAQI
20th Jul 2025468 PMAQI
20th Jul 2025449 PMAQI
20th Jul 20254910 PMAQI
20th Jul 20255411 PMAQI
21st Jul 20255812 AMAQI
21st Jul 2025581 AMAQI
21st Jul 2025542 AMAQI
21st Jul 2025523 AMAQI
21st Jul 2025494 AMAQI
21st Jul 2025455 AMAQI
21st Jul 2025416 AMAQI

30°C23/37°C

21st Jul 2025407 AMAQI
21st Jul 2025438 AMAQI
21st Jul 2025479 AMAQI
21st Jul 20254410 AMAQI
21st Jul 20253911 AMAQI
21st Jul 20253612 PMAQI
21st Jul 2025371 PMAQI
21st Jul 2025372 PMAQI
21st Jul 2025373 PMAQI
21st Jul 2025384 PMAQI
21st Jul 2025385 PMAQI
21st Jul 2025376 PMAQI
21st Jul 2025407 PMAQI
21st Jul 2025398 PMAQI
21st Jul 2025389 PMAQI
21st Jul 20253810 PMAQI
21st Jul 20254611 PMAQI
22nd Jul 20255112 AMAQI
22nd Jul 2025451 AMAQI
22nd Jul 2025612 AMAQI
22nd Jul 2025623 AMAQI
22nd Jul 2025544 AMAQI
22nd Jul 2025485 AMAQI
22nd Jul 2025566 AMAQI

30°C24/36°C

22nd Jul 2025467 AMAQI
22nd Jul 2025448 AMAQI
22nd Jul 2025409 AMAQI
22nd Jul 20254210 AMAQI
22nd Jul 20254711 AMAQI
22nd Jul 20254412 PMAQI
22nd Jul 2025441 PMAQI
22nd Jul 2025432 PMAQI
22nd Jul 2025423 PMAQI
22nd Jul 2025414 PMAQI
22nd Jul 2025425 PMAQI
22nd Jul 2025436 PMAQI
22nd Jul 2025467 PMAQI
22nd Jul 2025488 PMAQI
22nd Jul 2025519 PMAQI
22nd Jul 20254910 PMAQI
22nd Jul 20254811 PMAQI
23rd Jul 20254812 AMAQI
23rd Jul 2025441 AMAQI
23rd Jul 2025482 AMAQI
23rd Jul 2025403 AMAQI
23rd Jul 2025384 AMAQI
23rd Jul 2025375 AMAQI
23rd Jul 2025326 AMAQI

28°C23/35°C

23rd Jul 2025327 AMAQI
23rd Jul 2025348 AMAQI
23rd Jul 2025359 AMAQI
23rd Jul 20253810 AMAQI
23rd Jul 20253611 AMAQI
23rd Jul 20253612 PMAQI
23rd Jul 2025351 PMAQI
23rd Jul 2025362 PMAQI
23rd Jul 2025403 PMAQI
23rd Jul 2025384 PMAQI
23rd Jul 2025365 PMAQI
23rd Jul 2025356 PMAQI
23rd Jul 2025367 PMAQI
23rd Jul 2025348 PMAQI
23rd Jul 2025349 PMAQI
23rd Jul 20253310 PMAQI
23rd Jul 20253411 PMAQI
24th Jul 20253612 AMAQI
24th Jul 2025381 AMAQI
24th Jul 2025382 AMAQI
24th Jul 2025343 AMAQI
24th Jul 2025284 AMAQI
24th Jul 2025335 AMAQI
24th Jul 2025316 AMAQI

29°C22/35°C

24th Jul 2025297 AMAQI
24th Jul 2025318 AMAQI
24th Jul 2025369 AMAQI
24th Jul 20253910 AMAQI
24th Jul 20254011 AMAQI
24th Jul 20254012 PMAQI
24th Jul 2025371 PMAQI
24th Jul 2025342 PMAQI
24th Jul 2025343 PMAQI
24th Jul 2025334 PMAQI
24th Jul 2025325 PMAQI
24th Jul 2025306 PMAQI
24th Jul 2025307 PMAQI
24th Jul 2025328 PMAQI
24th Jul 2025369 PMAQI
24th Jul 20253910 PMAQI
24th Jul 20253611 PMAQI
25th Jul 20253112 AMAQI
25th Jul 2025281 AMAQI
25th Jul 2025342 AMAQI
25th Jul 2025363 AMAQI
25th Jul 2025334 AMAQI
25th Jul 2025325 AMAQI
25th Jul 2025276 AMAQI

30°C23/36°C

25th Jul 2025317 AMAQI
25th Jul 2025338 AMAQI
25th Jul 2025329 AMAQI
25th Jul 20254110 AMAQI
25th Jul 20254611 AMAQI
25th Jul 20254112 PMAQI
25th Jul 2025441 PMAQI
25th Jul 2025482 PMAQI
25th Jul 2025433 PMAQI
25th Jul 2025434 PMAQI
25th Jul 2025395 PMAQI
25th Jul 2025336 PMAQI
25th Jul 2025307 PMAQI
25th Jul 2025288 PMAQI
25th Jul 2025279 PMAQI
25th Jul 20252810 PMAQI
25th Jul 20252811 PMAQI
26th Jul 20252812 AMAQI
26th Jul 2025281 AMAQI
26th Jul 2025302 AMAQI
26th Jul 2025323 AMAQI
26th Jul 2025324 AMAQI
26th Jul 2025305 AMAQI
26th Jul 2025306 AMAQI

30°C23/36°C

26th Jul 2025317 AMAQI
26th Jul 2025348 AMAQI
26th Jul 2025339 AMAQI
26th Jul 20253610 AMAQI
26th Jul 20253611 AMAQI
26th Jul 20253212 PMAQI
26th Jul 2025321 PMAQI
26th Jul 2025322 PMAQI
26th Jul 2025313 PMAQI
26th Jul 2025314 PMAQI
26th Jul 2025305 PMAQI
26th Jul 2025306 PMAQI
26th Jul 2025327 PMAQI
26th Jul 2025308 PMAQI
26th Jul 2025309 PMAQI
26th Jul 20252710 PMAQI
26th Jul 20252911 PMAQI
27th Jul 20253312 AMAQI
27th Jul 2025321 AMAQI
27th Jul 2025322 AMAQI
27th Jul 2025323 AMAQI
27th Jul 2025324 AMAQI
27th Jul 2025315 AMAQI
27th Jul 2025356 AMAQI

29°C24/35°C

27th Jul 2025337 AMAQI
27th Jul 2025358 AMAQI
27th Jul 2025369 AMAQI
27th Jul 20253810 AMAQI
27th Jul 20253711 AMAQI
27th Jul 20253612 PMAQI
27th Jul 2025361 PMAQI
27th Jul 2025352 PMAQI
27th Jul 2025363 PMAQI
27th Jul 2025354 PMAQI
27th Jul 2025375 PMAQI
27th Jul 2025386 PMAQI
27th Jul 2025367 PMAQI
27th Jul 2025378 PMAQI
27th Jul 2025409 PMAQI
27th Jul 20254210 PMAQI
27th Jul 20253711 PMAQI
28th Jul 20253612 AMAQI
28th Jul 2025391 AMAQI
28th Jul 2025372 AMAQI
28th Jul 2025343 AMAQI
28th Jul 2025344 AMAQI
28th Jul 2025295 AMAQI
28th Jul 2025286 AMAQI

26°C22/33°C

28th Jul 2025307 AMAQI
28th Jul 2025308 AMAQI
28th Jul 2025319 AMAQI
28th Jul 20253410 AMAQI
28th Jul 20253611 AMAQI
28th Jul 20253412 PMAQI
28th Jul 2025351 PMAQI
28th Jul 2025332 PMAQI
28th Jul 2025363 PMAQI
28th Jul 2025354 PMAQI
28th Jul 2025345 PMAQI
28th Jul 2025376 PMAQI
28th Jul 2025327 PMAQI
28th Jul 2025358 PMAQI
28th Jul 2025389 PMAQI
28th Jul 20253810 PMAQI
28th Jul 20253711 PMAQI
29th Jul 20253512 AMAQI
29th Jul 2025341 AMAQI
29th Jul 2025362 AMAQI
29th Jul 2025323 AMAQI
29th Jul 2025304 AMAQI
29th Jul 2025305 AMAQI
29th Jul 2025296 AMAQI

27°C21/34°C

29th Jul 2025277 AMAQI
29th Jul 2025288 AMAQI
29th Jul 2025309 AMAQI
29th Jul 20253110 AMAQI
29th Jul 20253311 AMAQI
29th Jul 20253112 PMAQI
29th Jul 2025341 PMAQI
29th Jul 2025312 PMAQI
29th Jul 2025323 PMAQI
29th Jul 2025334 PMAQI
29th Jul 2025325 PMAQI
29th Jul 2025326 PMAQI
29th Jul 2025327 PMAQI
29th Jul 2025318 PMAQI
29th Jul 2025329 PMAQI
29th Jul 20253210 PMAQI
29th Jul 20253411 PMAQI
30th Jul 20253512 AMAQI
30th Jul 2025341 AMAQI
30th Jul 2025322 AMAQI
30th Jul 2025273 AMAQI
30th Jul 2025274 AMAQI
30th Jul 2025225 AMAQI
30th Jul 2025246 AMAQI

27°C22/34°C

30th Jul 2025267 AMAQI
30th Jul 2025248 AMAQI
30th Jul 2025289 AMAQI
30th Jul 20252610 AMAQI
30th Jul 20253011 AMAQI
30th Jul 20253412 PMAQI
30th Jul 2025351 PMAQI
30th Jul 2025322 PMAQI
30th Jul 2025323 PMAQI
30th Jul 2025324 PMAQI
30th Jul 2025325 PMAQI
30th Jul 2025326 PMAQI
30th Jul 2025327 PMAQI
30th Jul 2025328 PMAQI
30th Jul 2025349 PMAQI
30th Jul 20253610 PMAQI
30th Jul 20253711 PMAQI
31st Jul 20253812 AMAQI
31st Jul 2025391 AMAQI
31st Jul 2025422 AMAQI
31st Jul 2025453 AMAQI
31st Jul 2025394 AMAQI
31st Jul 2025355 AMAQI
31st Jul 2025266 AMAQI

27°C21/35°C

31st Jul 2025217 AMAQI
31st Jul 2025228 AMAQI
31st Jul 2025239 AMAQI
31st Jul 20252810 AMAQI
31st Jul 20253111 AMAQI
31st Jul 20253012 PMAQI
31st Jul 2025271 PMAQI
31st Jul 2025262 PMAQI
31st Jul 2025373 PMAQI
31st Jul 2025374 PMAQI
31st Jul 2025365 PMAQI
31st Jul 2025356 PMAQI
31st Jul 2025287 PMAQI
31st Jul 2025298 PMAQI
31st Jul 2025289 PMAQI
31st Jul 20252610 PMAQI
31st Jul 20252311 PMAQI
1st Aug 20252512 AMAQI
1st Aug 2025251 AMAQI
1st Aug 2025242 AMAQI
1st Aug 2025233 AMAQI
1st Aug 2025254 AMAQI
1st Aug 2025225 AMAQI
1st Aug 2025236 AMAQI

28°C21/35°C

1st Aug 2025237 AMAQI
1st Aug 2025248 AMAQI
1st Aug 2025289 AMAQI
1st Aug 20253410 AMAQI
1st Aug 20253111 AMAQI
1st Aug 20253212 PMAQI
1st Aug 2025311 PMAQI
1st Aug 2025282 PMAQI
1st Aug 2025323 PMAQI
1st Aug 2025344 PMAQI
1st Aug 2025365 PMAQI
1st Aug 2025356 PMAQI
1st Aug 2025267 PMAQI
1st Aug 2025288 PMAQI
1st Aug 2025279 PMAQI
1st Aug 20252810 PMAQI
1st Aug 20253411 PMAQI
2nd Aug 20253812 AMAQI
2nd Aug 2025401 AMAQI
2nd Aug 2025432 AMAQI
2nd Aug 2025443 AMAQI
2nd Aug 2025434 AMAQI
2nd Aug 2025425 AMAQI
2nd Aug 2025436 AMAQI

29°C23/35°C

2nd Aug 2025447 AMAQI
7 AM
2nd Aug 2025478 AMAQI
2nd Aug 2025429 AMAQI
2nd Aug 20254210 AMAQI
2nd Aug 20254611 AMAQI
2nd Aug 20254812 PMAQI
2nd Aug 2025451 PMAQI
1 PM
2nd Aug 2025462 PMAQI
8 PM
1 AM
6 AM

--°C/°C

Day time
Avg. Highest Time
7 AM - 8 PM

42AQI

14 hours / Day
420 hours / Month
Avg. Lowest Time
7 AM - 8 PM

42AQI

14 hours / Day
420 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 7 AM to 8 PM (Avg. 42), while the lowest AQI was between 7 AM to 8 PM (Avg. 42).
Night time
Avg. Highest Time
12 AM - 11 PM

42AQI

10 hours / Day
300 hours / Month
Avg. Lowest Time
12 AM - 11 PM

42AQI

10 hours / Day
300 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 12 AM to 11 PM (Avg. 42), while the lowest AQI was between 12 AM to 11 PM (Avg. 42).

2025 Days Vs Air Quality

Big Bend National Park, Texas, United States

2025

47%

61

53%

68

Total number of days with different AQI categories in last 214 days in 2025 (151 days remaining)

Good
61 Days
Moderate
68 Days
Poor
0 Days
Unhealthy
0 Days
Severe
0 Days
Hazardous
0 Days

Under WHO’s Safe Air Quality Limits: 47%

Health Risk Level:

Significant

In 2025, 47% of 214 days were within WHO’s safe air quality limits, and 53% exceeded them. The risk of health issues is Significant, especially for those with existing respiratory or heart conditions.

Annual Air Quality Insights

Big Bend National Park, 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
57AQI
2nd March 2025
56AQI
3rd March 2025
48AQI
4th March 2025
57AQI
5th March 2025
58AQI
6th March 2025
60AQI
1st April 2025
64AQI
2nd April 2025
67AQI
3rd April 2025
55AQI
4th April 2025
61AQI
5th April 2025
32AQI
6th April 2025
26AQI
7th April 2025
27AQI
8th April 2025
31AQI
9th April 2025
42AQI
10th April 2025
37AQI
11th April 2025
40AQI
12th April 2025
41AQI
13th April 2025
54AQI
14th April 2025
51AQI
15th April 2025
50AQI
16th April 2025
59AQI
17th April 2025
73AQI
18th April 2025
63AQI
19th April 2025
71AQI
20th April 2025
52AQI
21st April 2025
49AQI
22nd April 2025
65AQI
23rd April 2025
57AQI
24th April 2025
59AQI
25th April 2025
56AQI
26th April 2025
60AQI
27th April 2025
67AQI
28th April 2025
59AQI
29th April 2025
58AQI
30th April 2025
51AQI
1st May 2025
50AQI
2nd May 2025
64AQI
3rd May 2025
41AQI
4th May 2025
57AQI
5th May 2025
58AQI
6th May 2025
61AQI
7th May 2025
47AQI
8th May 2025
44AQI
9th May 2025
35AQI
10th May 2025
37AQI
11th May 2025
37AQI
12th May 2025
47AQI
13th May 2025
69AQI
14th May 2025
73AQI
15th May 2025
71AQI
16th May 2025
57AQI
17th May 2025
67AQI
18th May 2025
68AQI
19th May 2025
78AQI
20th May 2025
64AQI
21st May 2025
57AQI
22nd May 2025
66AQI
23rd May 2025
58AQI
24th May 2025
59AQI
25th May 2025
60AQI
26th May 2025
59AQI
27th May 2025
57AQI
28th May 2025
57AQI
29th May 2025
59AQI
30th May 2025
50AQI
31st May 2025
49AQI
1st June 2025
47AQI
2nd June 2025
56AQI
3rd June 2025
51AQI
4th June 2025
57AQI
5th June 2025
56AQI
6th June 2025
50AQI
7th June 2025
47AQI
8th June 2025
50AQI
9th June 2025
53AQI
10th June 2025
61AQI
11th June 2025
47AQI
12th June 2025
43AQI
13th June 2025
48AQI
14th June 2025
55AQI
15th June 2025
58AQI
16th June 2025
59AQI
17th June 2025
59AQI
18th June 2025
60AQI
19th June 2025
57AQI
20th June 2025
54AQI
21st June 2025
66AQI
22nd June 2025
64AQI
23rd June 2025
51AQI
24th June 2025
35AQI
25th June 2025
28AQI
26th June 2025
25AQI
27th June 2025
27AQI
28th June 2025
26AQI
29th June 2025
23AQI
30th June 2025
28AQI
1st July 2025
34AQI
2nd July 2025
30AQI
3rd July 2025
26AQI
4th July 2025
29AQI
5th July 2025
38AQI
6th July 2025
43AQI
7th July 2025
38AQI
8th July 2025
36AQI
9th July 2025
46AQI
10th July 2025
39AQI
11th July 2025
79AQI
12th July 2025
75AQI
13th July 2025
60AQI
14th July 2025
54AQI
15th July 2025
41AQI
16th July 2025
54AQI
17th July 2025
53AQI
18th July 2025
44AQI
19th July 2025
43AQI
20th July 2025
47AQI
21st July 2025
43AQI
22nd July 2025
48AQI
23rd July 2025
37AQI
24th July 2025
34AQI
25th July 2025
34AQI
26th July 2025
31AQI
27th July 2025
36AQI
28th July 2025
34AQI
29th July 2025
32AQI
30th July 2025
31AQI
31st July 2025
32AQI
1st August 2025
27AQI

56AQI

53AQI

57AQI

48AQI

42AQI

27AQI

No. of days

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

202550AQI

1
5
10
20
10
21
14
16
25
6
1
61
68

Highest AQI recorded in

May

57AQI

Lowest AQI recorded in

August

27AQI

Most & Least Polluted Years Over the Last 1 Years

Most Polluted Year Recorded
2025(Avg.)
50AQI
Least Polluted Year Recorded
2025(Avg.)
50AQI

Big Bend National Park's annual 2025 AQI (50) shows an average percentage change of NaN% (improved AQI) compared to previous years: .