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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+

October Air Quality Analysis

Big Bend National Park, Texas, United States

2025
AQI
.
Days

AQI Trends: Highest and Lowest

Highest AQI recorded on
3rd Oct 2025
58AQI
Lowest AQI recorded on
1st Oct 2025
53AQI

Same Day Analysis (3rd October ):
On this day, AQI across the 1 years varied significantly: 2025 ranks 1st highest AQI at 58 of Moderate air quality on the same day.

Download 2024 Annual Data

World Air Quality Report

Globe

Day & Night AQI Trend: 4th Oct - 5th Oct 2025

Big Bend National Park, Texas, United States

AQI
Day
Night
.

7 AM4th Oct 2025

7 PM

6 AM5th Oct 2025

Day time
Avg. Highest Time
2PM4th Oct

60AQI

Avg. Lowest Time
6PM4th Oct

52AQI

Night time
Avg. Highest Time
12AM5th Oct

63AQI

Avg. Lowest Time
10PM4th Oct

56AQI

In the last 24 hours,

Big Bend National Park's AQI reached its highest point of 63 at 12 AM during the Night, while the lowest point, undefined, was recorded at 6 AM during the Night between 4th Oct and 5th Oct 2025.

Day & Night AQI Trend : Sep - Oct 2025

Big Bend National Park, Texas, United States

SepOct
05th - 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 - 01st01st - 02nd02nd - 03rd03rd - 04th04th - 05th05th
Day
Night
5th Sep 2025187 AMAQI
5th Sep 2025228 AMAQI
5th Sep 2025229 AMAQI
5th Sep 20252710 AMAQI
5th Sep 20253011 AMAQI
5th Sep 20252912 PMAQI
5th Sep 2025301 PMAQI
5th Sep 2025312 PMAQI
5th Sep 2025303 PMAQI
5th Sep 2025264 PMAQI
5th Sep 2025235 PMAQI
5th Sep 2025266 PMAQI
5th Sep 2025237 PMAQI
5th Sep 2025248 PMAQI
5th Sep 2025229 PMAQI
5th Sep 20252310 PMAQI
5th Sep 20252211 PMAQI
6th Sep 20252412 AMAQI
6th Sep 2025221 AMAQI
6th Sep 2025242 AMAQI
6th Sep 2025273 AMAQI
6th Sep 2025294 AMAQI
6th Sep 2025285 AMAQI
6th Sep 2025246 AMAQI

26°C22/29°C

6th Sep 2025207 AMAQI
6th Sep 2025218 AMAQI
6th Sep 2025249 AMAQI
6th Sep 20252210 AMAQI
6th Sep 20252311 AMAQI
6th Sep 20252512 PMAQI
6th Sep 2025271 PMAQI
6th Sep 2025272 PMAQI
6th Sep 2025283 PMAQI
6th Sep 2025234 PMAQI
6th Sep 2025225 PMAQI
6th Sep 2025206 PMAQI
6th Sep 2025207 PMAQI
6th Sep 2025228 PMAQI
6th Sep 2025229 PMAQI
6th Sep 20252210 PMAQI
6th Sep 20252211 PMAQI
7th Sep 20252712 AMAQI
7th Sep 2025241 AMAQI
7th Sep 2025252 AMAQI
7th Sep 2025263 AMAQI
7th Sep 2025254 AMAQI
7th Sep 2025225 AMAQI
7th Sep 2025226 AMAQI

21°C19/24°C

7th Sep 2025247 AMAQI
7th Sep 2025258 AMAQI
7th Sep 2025239 AMAQI
7th Sep 20252310 AMAQI
7th Sep 20252311 AMAQI
7th Sep 20252412 PMAQI
7th Sep 2025251 PMAQI
7th Sep 2025242 PMAQI
7th Sep 2025243 PMAQI
7th Sep 2025214 PMAQI
7th Sep 2025185 PMAQI
7th Sep 2025206 PMAQI
7th Sep 2025247 PMAQI
7th Sep 2025248 PMAQI
7th Sep 2025249 PMAQI
7th Sep 20252710 PMAQI
7th Sep 20252811 PMAQI
8th Sep 20253112 AMAQI
8th Sep 2025421 AMAQI
8th Sep 2025432 AMAQI
8th Sep 2025503 AMAQI
8th Sep 2025484 AMAQI
8th Sep 2025545 AMAQI
8th Sep 2025426 AMAQI

25°C21/30°C

8th Sep 2025347 AMAQI
8th Sep 2025328 AMAQI
8th Sep 2025389 AMAQI
8th Sep 20254410 AMAQI
8th Sep 20255011 AMAQI
8th Sep 20254812 PMAQI
8th Sep 2025411 PMAQI
8th Sep 2025432 PMAQI
8th Sep 2025443 PMAQI
8th Sep 2025434 PMAQI
8th Sep 2025335 PMAQI
8th Sep 2025326 PMAQI
8th Sep 2025347 PMAQI
8th Sep 2025298 PMAQI
8th Sep 2025279 PMAQI
8th Sep 20252710 PMAQI
8th Sep 20254211 PMAQI
9th Sep 20254612 AMAQI
9th Sep 2025501 AMAQI
9th Sep 2025502 AMAQI
9th Sep 2025473 AMAQI
9th Sep 2025474 AMAQI
9th Sep 2025405 AMAQI
9th Sep 2025396 AMAQI

25°C20/31°C

9th Sep 2025347 AMAQI
9th Sep 2025338 AMAQI
9th Sep 2025359 AMAQI
9th Sep 20253810 AMAQI
9th Sep 20254311 AMAQI
9th Sep 20254412 PMAQI
9th Sep 2025461 PMAQI
9th Sep 2025452 PMAQI
9th Sep 2025423 PMAQI
9th Sep 2025324 PMAQI
9th Sep 2025325 PMAQI
9th Sep 2025356 PMAQI
9th Sep 2025387 PMAQI
9th Sep 2025378 PMAQI
9th Sep 2025379 PMAQI
9th Sep 20254110 PMAQI
9th Sep 20254611 PMAQI
10th Sep 20255212 AMAQI
10th Sep 2025531 AMAQI
10th Sep 2025462 AMAQI
10th Sep 2025423 AMAQI
10th Sep 2025364 AMAQI
10th Sep 2025305 AMAQI
10th Sep 2025326 AMAQI

25°C18/32°C

10th Sep 2025297 AMAQI
10th Sep 2025328 AMAQI
10th Sep 2025399 AMAQI
10th Sep 20254410 AMAQI
10th Sep 20254611 AMAQI
10th Sep 20254612 PMAQI
10th Sep 2025461 PMAQI
10th Sep 2025442 PMAQI
10th Sep 2025373 PMAQI
10th Sep 2025364 PMAQI
10th Sep 2025365 PMAQI
10th Sep 2025336 PMAQI
10th Sep 2025397 PMAQI
10th Sep 2025348 PMAQI
10th Sep 2025329 PMAQI
10th Sep 20253410 PMAQI
10th Sep 20253511 PMAQI
11th Sep 20253812 AMAQI
11th Sep 2025401 AMAQI
11th Sep 2025362 AMAQI
11th Sep 2025333 AMAQI
11th Sep 2025334 AMAQI
11th Sep 2025335 AMAQI
11th Sep 2025306 AMAQI

26°C19/32°C

11th Sep 2025297 AMAQI
11th Sep 2025288 AMAQI
11th Sep 2025319 AMAQI
11th Sep 20253210 AMAQI
11th Sep 20253811 AMAQI
11th Sep 20254312 PMAQI
11th Sep 2025481 PMAQI
11th Sep 2025482 PMAQI
11th Sep 2025423 PMAQI
11th Sep 2025354 PMAQI
11th Sep 2025325 PMAQI
11th Sep 2025296 PMAQI
11th Sep 2025347 PMAQI
11th Sep 2025328 PMAQI
11th Sep 2025309 PMAQI
11th Sep 20253010 PMAQI
11th Sep 20252811 PMAQI
12th Sep 20252912 AMAQI
12th Sep 2025301 AMAQI
12th Sep 2025262 AMAQI
12th Sep 2025223 AMAQI
12th Sep 2025204 AMAQI
12th Sep 2025205 AMAQI
12th Sep 2025186 AMAQI

25°C19/32°C

12th Sep 2025207 AMAQI
12th Sep 2025258 AMAQI
12th Sep 2025249 AMAQI
12th Sep 20252510 AMAQI
12th Sep 20252911 AMAQI
12th Sep 20252612 PMAQI
12th Sep 2025231 PMAQI
12th Sep 2025212 PMAQI
12th Sep 2025203 PMAQI
12th Sep 2025214 PMAQI
12th Sep 2025205 PMAQI
12th Sep 2025266 PMAQI
12th Sep 2025207 PMAQI
12th Sep 2025308 PMAQI
12th Sep 2025349 PMAQI
12th Sep 20253310 PMAQI
12th Sep 20252711 PMAQI
13th Sep 20252412 AMAQI
13th Sep 2025211 AMAQI
13th Sep 2025222 AMAQI
13th Sep 2025213 AMAQI
13th Sep 2025194 AMAQI
13th Sep 2025215 AMAQI
13th Sep 2025206 AMAQI

25°C19/32°C

13th Sep 2025187 AMAQI
13th Sep 2025188 AMAQI
13th Sep 2025199 AMAQI
13th Sep 20251810 AMAQI
13th Sep 20251811 AMAQI
13th Sep 20251712 PMAQI
13th Sep 2025171 PMAQI
13th Sep 2025182 PMAQI
13th Sep 2025203 PMAQI
13th Sep 2025254 PMAQI
13th Sep 2025245 PMAQI
13th Sep 2025176 PMAQI
13th Sep 2025187 PMAQI
13th Sep 2025198 PMAQI
13th Sep 2025189 PMAQI
13th Sep 20252010 PMAQI
13th Sep 20252211 PMAQI
14th Sep 20252112 AMAQI
14th Sep 2025211 AMAQI
14th Sep 2025252 AMAQI
14th Sep 2025263 AMAQI
14th Sep 2025224 AMAQI
14th Sep 2025245 AMAQI
14th Sep 2025226 AMAQI

25°C19/32°C

14th Sep 2025217 AMAQI
14th Sep 2025208 AMAQI
14th Sep 2025209 AMAQI
14th Sep 20252810 AMAQI
14th Sep 20252311 AMAQI
14th Sep 20251912 PMAQI
14th Sep 2025181 PMAQI
14th Sep 2025162 PMAQI
14th Sep 2025153 PMAQI
14th Sep 2025174 PMAQI
14th Sep 2025145 PMAQI
14th Sep 2025156 PMAQI
14th Sep 2025187 PMAQI
14th Sep 2025178 PMAQI
14th Sep 2025159 PMAQI
14th Sep 20251510 PMAQI
14th Sep 20252011 PMAQI
15th Sep 20252012 AMAQI
15th Sep 2025261 AMAQI
15th Sep 2025202 AMAQI
15th Sep 2025243 AMAQI
15th Sep 2025194 AMAQI
15th Sep 2025175 AMAQI
15th Sep 2025186 AMAQI

25°C21/30°C

15th Sep 2025327 AMAQI
15th Sep 2025368 AMAQI
15th Sep 2025449 AMAQI
15th Sep 20252810 AMAQI
15th Sep 20252211 AMAQI
15th Sep 20252412 PMAQI
15th Sep 2025221 PMAQI
15th Sep 2025222 PMAQI
15th Sep 2025243 PMAQI
15th Sep 2025224 PMAQI
15th Sep 2025195 PMAQI
15th Sep 2025186 PMAQI
15th Sep 2025207 PMAQI
15th Sep 2025188 PMAQI
15th Sep 2025189 PMAQI
15th Sep 20252210 PMAQI
15th Sep 20252311 PMAQI
16th Sep 20252412 AMAQI
16th Sep 2025261 AMAQI
16th Sep 2025252 AMAQI
16th Sep 2025233 AMAQI
16th Sep 2025204 AMAQI
16th Sep 2025265 AMAQI
16th Sep 2025266 AMAQI

25°C20/31°C

16th Sep 2025247 AMAQI
16th Sep 2025268 AMAQI
16th Sep 2025289 AMAQI
16th Sep 20252610 AMAQI
16th Sep 20253011 AMAQI
16th Sep 20253412 PMAQI
16th Sep 2025331 PMAQI
16th Sep 2025322 PMAQI
16th Sep 2025273 PMAQI
16th Sep 2025264 PMAQI
16th Sep 2025255 PMAQI
16th Sep 2025306 PMAQI
16th Sep 2025277 PMAQI
16th Sep 2025288 PMAQI
16th Sep 2025319 PMAQI
16th Sep 20253010 PMAQI
16th Sep 20253411 PMAQI
17th Sep 20253912 AMAQI
17th Sep 2025321 AMAQI
17th Sep 2025302 AMAQI
17th Sep 2025263 AMAQI
17th Sep 2025224 AMAQI
17th Sep 2025235 AMAQI
17th Sep 2025226 AMAQI

24°C19/29°C

17th Sep 2025237 AMAQI
17th Sep 2025278 AMAQI
17th Sep 2025249 AMAQI
17th Sep 20252810 AMAQI
17th Sep 20252611 AMAQI
17th Sep 20252912 PMAQI
17th Sep 2025291 PMAQI
17th Sep 2025282 PMAQI
17th Sep 2025323 PMAQI
17th Sep 2025324 PMAQI
17th Sep 2025305 PMAQI
17th Sep 2025276 PMAQI
17th Sep 2025277 PMAQI
17th Sep 2025328 PMAQI
17th Sep 2025299 PMAQI
17th Sep 20252810 PMAQI
17th Sep 20252711 PMAQI
18th Sep 20252812 AMAQI
18th Sep 2025281 AMAQI
18th Sep 2025302 AMAQI
18th Sep 2025303 AMAQI
18th Sep 2025324 AMAQI
18th Sep 2025315 AMAQI
18th Sep 2025306 AMAQI

24°C19/30°C

18th Sep 2025327 AMAQI
18th Sep 2025308 AMAQI
18th Sep 2025309 AMAQI
18th Sep 20252810 AMAQI
18th Sep 20252711 AMAQI
18th Sep 20253012 PMAQI
18th Sep 2025291 PMAQI
18th Sep 2025282 PMAQI
18th Sep 2025253 PMAQI
18th Sep 2025254 PMAQI
18th Sep 2025265 PMAQI
18th Sep 2025246 PMAQI
18th Sep 2025267 PMAQI
18th Sep 2025278 PMAQI
18th Sep 2025289 PMAQI
18th Sep 20252610 PMAQI
18th Sep 20252411 PMAQI
19th Sep 20252312 AMAQI
19th Sep 2025251 AMAQI
19th Sep 2025272 AMAQI
19th Sep 2025323 AMAQI
19th Sep 2025374 AMAQI
19th Sep 2025245 AMAQI
19th Sep 2025266 AMAQI

24°C19/31°C

19th Sep 2025287 AMAQI
19th Sep 2025248 AMAQI
19th Sep 2025229 AMAQI
19th Sep 20252310 AMAQI
19th Sep 20252211 AMAQI
19th Sep 20252412 PMAQI
19th Sep 2025261 PMAQI
19th Sep 2025262 PMAQI
19th Sep 2025273 PMAQI
19th Sep 2025284 PMAQI
19th Sep 2025325 PMAQI
19th Sep 2025306 PMAQI
19th Sep 2025247 PMAQI
19th Sep 2025268 PMAQI
19th Sep 2025289 PMAQI
19th Sep 20252810 PMAQI
19th Sep 20253011 PMAQI
20th Sep 20252812 AMAQI
20th Sep 2025271 AMAQI
20th Sep 2025242 AMAQI
20th Sep 2025203 AMAQI
20th Sep 2025174 AMAQI
20th Sep 2025145 AMAQI
20th Sep 2025156 AMAQI

24°C19/30°C

20th Sep 2025187 AMAQI
20th Sep 2025168 AMAQI
20th Sep 2025189 AMAQI
20th Sep 20251810 AMAQI
20th Sep 20252211 AMAQI
20th Sep 20252212 PMAQI
20th Sep 2025211 PMAQI
20th Sep 2025212 PMAQI
20th Sep 2025213 PMAQI
20th Sep 2025204 PMAQI
20th Sep 2025185 PMAQI
20th Sep 2025196 PMAQI
20th Sep 2025207 PMAQI
20th Sep 2025188 PMAQI
20th Sep 2025199 PMAQI
20th Sep 20252010 PMAQI
20th Sep 20252111 PMAQI
21st Sep 20252412 AMAQI
21st Sep 2025241 AMAQI
21st Sep 2025262 AMAQI
21st Sep 2025323 AMAQI
21st Sep 2025284 AMAQI
21st Sep 2025235 AMAQI
21st Sep 2025276 AMAQI

26°C20/32°C

21st Sep 2025267 AMAQI
21st Sep 2025248 AMAQI
21st Sep 2025279 AMAQI
21st Sep 20252610 AMAQI
21st Sep 20252411 AMAQI
21st Sep 20252812 PMAQI
21st Sep 2025301 PMAQI
21st Sep 2025262 PMAQI
21st Sep 2025273 PMAQI
21st Sep 2025234 PMAQI
21st Sep 2025235 PMAQI
21st Sep 2025226 PMAQI
21st Sep 2025237 PMAQI
21st Sep 2025258 PMAQI
21st Sep 2025229 PMAQI
21st Sep 20252110 PMAQI
21st Sep 20252011 PMAQI
22nd Sep 20252112 AMAQI
22nd Sep 2025341 AMAQI
22nd Sep 2025282 AMAQI
22nd Sep 2025323 AMAQI
22nd Sep 2025254 AMAQI
22nd Sep 2025205 AMAQI
22nd Sep 2025186 AMAQI

28°C22/35°C

22nd Sep 2025207 AMAQI
22nd Sep 2025228 AMAQI
22nd Sep 2025299 AMAQI
22nd Sep 20252710 AMAQI
22nd Sep 20253011 AMAQI
22nd Sep 20253212 PMAQI
22nd Sep 2025341 PMAQI
22nd Sep 2025312 PMAQI
22nd Sep 2025263 PMAQI
22nd Sep 2025264 PMAQI
22nd Sep 2025235 PMAQI
22nd Sep 2025226 PMAQI
22nd Sep 2025227 PMAQI
22nd Sep 2025238 PMAQI
22nd Sep 2025229 PMAQI
22nd Sep 20252210 PMAQI
22nd Sep 20252111 PMAQI
23rd Sep 20252412 AMAQI
23rd Sep 2025231 AMAQI
23rd Sep 2025262 AMAQI
23rd Sep 2025343 AMAQI
23rd Sep 2025194 AMAQI
23rd Sep 2025185 AMAQI
23rd Sep 2025196 AMAQI

29°C24/35°C

23rd Sep 2025207 AMAQI
23rd Sep 2025208 AMAQI
23rd Sep 2025209 AMAQI
23rd Sep 20251910 AMAQI
23rd Sep 20252011 AMAQI
23rd Sep 20252612 PMAQI
23rd Sep 2025261 PMAQI
23rd Sep 2025232 PMAQI
23rd Sep 2025243 PMAQI
23rd Sep 2025234 PMAQI
23rd Sep 2025205 PMAQI
23rd Sep 2025196 PMAQI
23rd Sep 2025217 PMAQI
23rd Sep 2025218 PMAQI
23rd Sep 2025219 PMAQI
23rd Sep 20252210 PMAQI
23rd Sep 20252211 PMAQI
24th Sep 20252012 AMAQI
24th Sep 2025271 AMAQI
24th Sep 2025282 AMAQI
24th Sep 2025273 AMAQI
24th Sep 2025224 AMAQI
24th Sep 2025205 AMAQI
24th Sep 2025186 AMAQI

30°C25/36°C

24th Sep 2025187 AMAQI
24th Sep 2025188 AMAQI
24th Sep 2025269 AMAQI
24th Sep 20252310 AMAQI
24th Sep 20252411 AMAQI
24th Sep 20253212 PMAQI
24th Sep 2025401 PMAQI
24th Sep 2025402 PMAQI
24th Sep 2025333 PMAQI
24th Sep 2025314 PMAQI
24th Sep 2025285 PMAQI
24th Sep 2025266 PMAQI
24th Sep 2025267 PMAQI
24th Sep 2025258 PMAQI
24th Sep 2025239 PMAQI
24th Sep 20252310 PMAQI
24th Sep 20252511 PMAQI
25th Sep 20252512 AMAQI
25th Sep 2025251 AMAQI
25th Sep 2025232 AMAQI
25th Sep 2025283 AMAQI
25th Sep 2025284 AMAQI
25th Sep 2025255 AMAQI
25th Sep 2025266 AMAQI

26°C22/30°C

25th Sep 2025257 AMAQI
25th Sep 2025258 AMAQI
25th Sep 2025239 AMAQI
25th Sep 20252810 AMAQI
25th Sep 20252711 AMAQI
25th Sep 20252712 PMAQI
25th Sep 2025301 PMAQI
25th Sep 2025312 PMAQI
25th Sep 2025333 PMAQI
25th Sep 2025334 PMAQI
25th Sep 2025345 PMAQI
25th Sep 2025346 PMAQI
25th Sep 2025337 PMAQI
25th Sep 2025298 PMAQI
25th Sep 2025309 PMAQI
25th Sep 20253110 PMAQI
25th Sep 20253111 PMAQI
26th Sep 20253012 AMAQI
26th Sep 2025301 AMAQI
26th Sep 2025312 AMAQI
26th Sep 2025333 AMAQI
26th Sep 2025304 AMAQI
26th Sep 2025325 AMAQI
26th Sep 2025366 AMAQI

24°C19/29°C

26th Sep 2025287 AMAQI
26th Sep 2025308 AMAQI
26th Sep 2025329 AMAQI
26th Sep 20253710 AMAQI
26th Sep 20253811 AMAQI
26th Sep 20254112 PMAQI
26th Sep 2025481 PMAQI
26th Sep 2025442 PMAQI
26th Sep 2025323 PMAQI
26th Sep 2025264 PMAQI
26th Sep 2025255 PMAQI
26th Sep 2025316 PMAQI
26th Sep 2025267 PMAQI
26th Sep 2025238 PMAQI
26th Sep 2025249 PMAQI
26th Sep 20252710 PMAQI
26th Sep 20252711 PMAQI
27th Sep 20252812 AMAQI
27th Sep 2025251 AMAQI
27th Sep 2025212 AMAQI
27th Sep 2025303 AMAQI
27th Sep 2025324 AMAQI
27th Sep 2025305 AMAQI
27th Sep 2025276 AMAQI

25°C19/31°C

27th Sep 2025257 AMAQI
27th Sep 2025188 AMAQI
27th Sep 2025229 AMAQI
27th Sep 20252110 AMAQI
27th Sep 20253211 AMAQI
27th Sep 20254212 PMAQI
27th Sep 2025351 PMAQI
27th Sep 2025422 PMAQI
27th Sep 2025393 PMAQI
27th Sep 2025274 PMAQI
27th Sep 2025285 PMAQI
27th Sep 2025246 PMAQI
27th Sep 2025257 PMAQI
27th Sep 2025218 PMAQI
27th Sep 2025249 PMAQI
27th Sep 20252910 PMAQI
27th Sep 20253611 PMAQI
28th Sep 20252612 AMAQI
28th Sep 2025271 AMAQI
28th Sep 2025272 AMAQI
28th Sep 2025233 AMAQI
28th Sep 2025224 AMAQI
28th Sep 2025275 AMAQI
28th Sep 2025326 AMAQI

26°C21/31°C

28th Sep 2025317 AMAQI
28th Sep 2025288 AMAQI
28th Sep 2025299 AMAQI
28th Sep 20253310 AMAQI
28th Sep 20253311 AMAQI
28th Sep 20253612 PMAQI
28th Sep 2025401 PMAQI
28th Sep 2025382 PMAQI
28th Sep 2025483 PMAQI
28th Sep 2025314 PMAQI
28th Sep 2025395 PMAQI
28th Sep 2025346 PMAQI
28th Sep 2025317 PMAQI
28th Sep 2025348 PMAQI
28th Sep 2025339 PMAQI
28th Sep 20254310 PMAQI
28th Sep 20254211 PMAQI
29th Sep 20253612 AMAQI
29th Sep 2025441 AMAQI
29th Sep 2025382 AMAQI
29th Sep 2025383 AMAQI
29th Sep 2025364 AMAQI
29th Sep 2025345 AMAQI
29th Sep 2025396 AMAQI

26°C22/31°C

29th Sep 2025377 AMAQI
29th Sep 2025468 AMAQI
29th Sep 2025469 AMAQI
29th Sep 20255410 AMAQI
29th Sep 20254911 AMAQI
29th Sep 20255012 PMAQI
29th Sep 2025401 PMAQI
29th Sep 2025462 PMAQI
29th Sep 2025543 PMAQI
29th Sep 2025514 PMAQI
29th Sep 2025485 PMAQI
29th Sep 2025506 PMAQI
29th Sep 2025497 PMAQI
29th Sep 2025498 PMAQI
29th Sep 2025529 PMAQI
29th Sep 20254910 PMAQI
29th Sep 20254611 PMAQI
30th Sep 20254112 AMAQI
30th Sep 2025511 AMAQI
30th Sep 2025562 AMAQI
30th Sep 2025483 AMAQI
30th Sep 2025544 AMAQI
30th Sep 2025535 AMAQI
30th Sep 2025546 AMAQI

24°C19/28°C

30th Sep 2025567 AMAQI
30th Sep 2025558 AMAQI
30th Sep 2025559 AMAQI
30th Sep 20255510 AMAQI
30th Sep 20256111 AMAQI
30th Sep 20255812 PMAQI
30th Sep 2025591 PMAQI
30th Sep 2025622 PMAQI
30th Sep 2025543 PMAQI
30th Sep 2025584 PMAQI
30th Sep 2025565 PMAQI
30th Sep 2025556 PMAQI
30th Sep 2025517 PMAQI
30th Sep 2025478 PMAQI
30th Sep 2025529 PMAQI
30th Sep 20254710 PMAQI
30th Sep 20254711 PMAQI
1st Oct 20255612 AMAQI
1st Oct 2025551 AMAQI
1st Oct 2025552 AMAQI
1st Oct 2025533 AMAQI
1st Oct 2025554 AMAQI
1st Oct 2025565 AMAQI
1st Oct 2025536 AMAQI

24°C17/30°C

1st Oct 2025567 AMAQI
1st Oct 2025528 AMAQI
1st Oct 2025489 AMAQI
1st Oct 20255410 AMAQI
1st Oct 20255511 AMAQI
1st Oct 20255312 PMAQI
1st Oct 2025571 PMAQI
1st Oct 2025622 PMAQI
1st Oct 2025593 PMAQI
1st Oct 2025584 PMAQI
1st Oct 2025565 PMAQI
1st Oct 2025486 PMAQI
1st Oct 2025517 PMAQI
1st Oct 2025458 PMAQI
1st Oct 2025469 PMAQI
1st Oct 20254710 PMAQI
1st Oct 20255211 PMAQI
2nd Oct 20255412 AMAQI
2nd Oct 2025571 AMAQI
2nd Oct 2025542 AMAQI
2nd Oct 2025563 AMAQI
2nd Oct 2025594 AMAQI
2nd Oct 2025495 AMAQI
2nd Oct 2025536 AMAQI

26°C20/32°C

2nd Oct 2025567 AMAQI
2nd Oct 2025528 AMAQI
2nd Oct 2025519 AMAQI
2nd Oct 20255410 AMAQI
2nd Oct 20255811 AMAQI
2nd Oct 20255512 PMAQI
2nd Oct 2025591 PMAQI
2nd Oct 2025622 PMAQI
2nd Oct 2025593 PMAQI
2nd Oct 2025524 PMAQI
2nd Oct 2025535 PMAQI
2nd Oct 2025526 PMAQI
2nd Oct 2025467 PMAQI
2nd Oct 2025488 PMAQI
2nd Oct 2025499 PMAQI
2nd Oct 20255610 PMAQI
2nd Oct 20255611 PMAQI
3rd Oct 20255712 AMAQI
3rd Oct 2025591 AMAQI
3rd Oct 2025712 AMAQI
3rd Oct 2025583 AMAQI
3rd Oct 2025564 AMAQI
3rd Oct 2025545 AMAQI
3rd Oct 2025446 AMAQI

26°C22/32°C

3rd Oct 2025567 AMAQI
3rd Oct 2025568 AMAQI
3rd Oct 2025619 AMAQI
3rd Oct 20255910 AMAQI
3rd Oct 20255911 AMAQI
3rd Oct 20255912 PMAQI
3rd Oct 2025561 PMAQI
3rd Oct 2025612 PMAQI
3rd Oct 2025663 PMAQI
3rd Oct 2025624 PMAQI
3rd Oct 2025565 PMAQI
3rd Oct 2025556 PMAQI
3rd Oct 2025597 PMAQI
3rd Oct 2025568 PMAQI
3rd Oct 2025579 PMAQI
3rd Oct 20255610 PMAQI
3rd Oct 20255611 PMAQI
4th Oct 20255712 AMAQI
4th Oct 2025601 AMAQI
4th Oct 2025612 AMAQI
4th Oct 2025653 AMAQI
4th Oct 2025574 AMAQI
4th Oct 2025585 AMAQI
4th Oct 2025566 AMAQI

25°C21/30°C

4th Oct 2025577 AMAQI
4th Oct 2025548 AMAQI
4th Oct 2025559 AMAQI
4th Oct 20255610 AMAQI
4th Oct 20255911 AMAQI
4th Oct 20255912 PMAQI
4th Oct 2025591 PMAQI
4th Oct 2025602 PMAQI
4th Oct 2025573 PMAQI
4th Oct 2025554 PMAQI
4th Oct 2025565 PMAQI
4th Oct 2025526 PMAQI
4th Oct 2025557 PMAQI
4th Oct 2025568 PMAQI
4th Oct 2025569 PMAQI
4th Oct 20255610 PMAQI
4th Oct 20256111 PMAQI
5th Oct 20256312 AMAQI
5th Oct 2025621 AMAQI

25°C20/30°C

7 AM
1 PM
7 PM
1 AM
6 AM

--°C/°C

Day time
Avg. Highest Time
11 AM - 3 PM

36AQI

5 hours / Day
150 hours / Month
Avg. Lowest Time
7 AM - 8 AM

31AQI

2 hours / Day
60 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 11 AM to 3 PM (Avg. 36), while the lowest AQI was between 7 AM to 8 AM (Avg. 31).
Night time
Avg. Highest Time
1 AM

36AQI

1 hours / Day
30 hours / Month
Avg. Lowest Time
6 AM

30AQI

1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 1 AM to 1 AM (Avg. 36), while the lowest AQI was between 6 AM to 6 AM (Avg. 30).

2025 Days Vs Air Quality

Big Bend National Park, Texas, United States

2025

60%

116

40%

76

Total number of days with different AQI categories in last 278 days in 2025 (87 days remaining)

Good
116 Days
Moderate
76 Days
Poor
0 Days
Unhealthy
0 Days
Severe
0 Days
Hazardous
0 Days

Under WHO’s Safe Air Quality Limits: 60%

Health Risk Level:

Moderate

In 2025, 60% of 278 days were within WHO’s safe air quality limits, and 40% exceeded them. The risk of health issues is Moderate, particularly for individuals with 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.

-1th undefined 2025
-1th undefined 2025
-1th undefined 2025
1st January 2025
2nd January 2025
3rd January 2025
4th January 2025
5th January 2025
6th January 2025
7th January 2025
8th January 2025
9th January 2025
10th January 2025
11th January 2025
12th January 2025
13th January 2025
14th January 2025
15th January 2025
16th January 2025
17th January 2025
18th January 2025
19th January 2025
20th January 2025
21st January 2025
22nd January 2025
23rd January 2025
24th January 2025
25th January 2025
26th January 2025
27th January 2025
28th January 2025
29th January 2025
30th January 2025
31st January 2025
1st February 2025
2nd February 2025
3rd February 2025
4th February 2025
5th February 2025
6th February 2025
7th February 2025
8th February 2025
9th February 2025
10th February 2025
11th February 2025
12th February 2025
13th February 2025
14th February 2025
15th February 2025
16th February 2025
17th February 2025
18th February 2025
19th February 2025
20th February 2025
21st February 2025
22nd February 2025
23rd February 2025
24th February 2025
25th February 2025
26th February 2025
27th February 2025
28th February 2025
1st March 2025
2nd March 2025
3rd March 2025
4th March 2025
5th March 2025
6th March 2025
7th March 2025
8th March 2025
9th March 2025
10th March 2025
11th March 2025
12th March 2025
13th March 2025
14th March 2025
15th March 2025
16th March 2025
17th March 2025
18th March 2025
19th March 2025
20th March 2025
21st March 2025
22nd March 2025
23rd March 2025
24th March 2025
25th March 2025
26th March 2025
57AQI
27th March 2025
56AQI
28th March 2025
48AQI
29th March 2025
57AQI
30th March 2025
58AQI
31st 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
28AQI
2nd August 2025
43AQI
3rd August 2025
41AQI
4th August 2025
34AQI
5th August 2025
48AQI
6th August 2025
47AQI
7th August 2025
42AQI
8th August 2025
52AQI
9th August 2025
54AQI
10th August 2025
52AQI
11th August 2025
53AQI
12th August 2025
42AQI
13th August 2025
38AQI
14th August 2025
45AQI
15th August 2025
38AQI
16th August 2025
33AQI
17th August 2025
33AQI
18th August 2025
29AQI
19th August 2025
37AQI
20th August 2025
33AQI
21st August 2025
35AQI
22nd August 2025
42AQI
23rd August 2025
49AQI
24th August 2025
46AQI
25th August 2025
45AQI
26th August 2025
48AQI
27th August 2025
39AQI
28th August 2025
35AQI
29th August 2025
35AQI
30th August 2025
31AQI
31st August 2025
27AQI
1st September 2025
28AQI
2nd September 2025
30AQI
3rd September 2025
37AQI
4th September 2025
40AQI
5th September 2025
26AQI
6th September 2025
24AQI
7th September 2025
24AQI
8th September 2025
40AQI
9th September 2025
41AQI
10th September 2025
39AQI
11th September 2025
34AQI
12th September 2025
25AQI
13th September 2025
20AQI
14th September 2025
20AQI
15th September 2025
22AQI
16th September 2025
27AQI
17th September 2025
28AQI
18th September 2025
28AQI
19th September 2025
27AQI
20th September 2025
20AQI
21st September 2025
25AQI
22nd September 2025
25AQI
23rd September 2025
22AQI
24th September 2025
26AQI
25th September 2025
29AQI
26th September 2025
31AQI
27th September 2025
28AQI
28th September 2025
32AQI
29th September 2025
45AQI
30th September 2025
53AQI
1st October 2025
53AQI
2nd October 2025
54AQI
3rd October 2025
58AQI
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

56AQI

53AQI

57AQI

48AQI

42AQI

40AQI

30AQI

55AQI

No. of days

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

202545AQI

1
5
10
20
10
21
14
16
25
6
27
4
29
1
3
116
76

Highest AQI recorded in

May

57AQI

Lowest AQI recorded in

September

30AQI

Most & Least Polluted Years Over the Last 1 Years

Most Polluted Year Recorded
2025(Avg.)
45AQI
Least Polluted Year Recorded
2025(Avg.)
45AQI

Big Bend National Park's annual 2025 AQI (45) shows an average percentage change of NaN% (improved AQI) compared to previous years: .