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Valle Alto, Nuevo Leon, Mexico 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+

September Air Quality Analysis

Valle Alto, Nuevo Leon, Mexico

2021
2022
2023
2024
2025
AQI
.
Days

AQI Trends: Highest and Lowest

Highest AQI recorded on
16th Sep 2022
78AQI
Lowest AQI recorded on
3rd Sep 2022
21AQI

Same Day Analysis (15th September ):
On this day, AQI across the 5 years varied significantly: 2025 ranks the most lowest AQI at 34 of Good air quality, showing improvement over 2024, 2023, 2022 and 2021 on the same day.

Download 2024 Annual Data

World Air Quality Report

Globe

Day & Night AQI Trend: 15th Sep - 16th Sep 2025

Valle Alto, Nuevo Leon, Mexico

AQI
Day
Night
.

7 AM15th Sep 2025

8 PM

6 AM16th Sep 2025

Day time
Avg. Highest Time
7AM15th Sep

47AQI

Avg. Lowest Time
5PM15th Sep

33AQI

Night time
Avg. Highest Time
4AM16th Sep

48AQI

Avg. Lowest Time
11PM15th Sep

34AQI

In the last 24 hours,

Valle Alto's AQI reached its highest point of 48 at 4 AM during the Night, while the lowest point, 33, was recorded at 5 PM during the Day between 15th Sep and 16th Sep 2025.

Day & Night AQI Trend : Aug - Sep 2025

Valle Alto, Nuevo Leon, Mexico

AugSep
17th - 18th18th - 19th19th - 20th20th - 21st21st - 22nd22nd - 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
Day
Night
17th Aug 2025517 AMAQI
17th Aug 2025518 AMAQI
17th Aug 2025529 AMAQI
17th Aug 20255410 AMAQI
17th Aug 20255311 AMAQI
17th Aug 20255012 PMAQI
17th Aug 2025471 PMAQI
17th Aug 2025442 PMAQI
17th Aug 2025373 PMAQI
17th Aug 2025374 PMAQI
17th Aug 2025425 PMAQI
17th Aug 2025546 PMAQI
17th Aug 2025527 PMAQI
17th Aug 2025518 PMAQI
17th Aug 2025569 PMAQI
17th Aug 20252810 PMAQI
17th Aug 20253011 PMAQI
18th Aug 20253412 AMAQI
18th Aug 2025291 AMAQI
18th Aug 2025232 AMAQI
18th Aug 2025263 AMAQI
18th Aug 2025324 AMAQI
18th Aug 2025325 AMAQI
18th Aug 2025326 AMAQI

28°C22/36°C

18th Aug 2025327 AMAQI
18th Aug 2025328 AMAQI
18th Aug 2025399 AMAQI
18th Aug 20253810 AMAQI
18th Aug 20253211 AMAQI
18th Aug 20252812 PMAQI
18th Aug 2025301 PMAQI
18th Aug 2025302 PMAQI
18th Aug 2025283 PMAQI
18th Aug 2025334 PMAQI
18th Aug 2025355 PMAQI
18th Aug 2025326 PMAQI
18th Aug 2025297 PMAQI
18th Aug 2025268 PMAQI
18th Aug 2025229 PMAQI
18th Aug 20252310 PMAQI
18th Aug 20252511 PMAQI
19th Aug 20252212 AMAQI
19th Aug 2025271 AMAQI
19th Aug 2025262 AMAQI
19th Aug 2025283 AMAQI
19th Aug 2025264 AMAQI
19th Aug 2025235 AMAQI
19th Aug 2025266 AMAQI

28°C23/36°C

19th Aug 2025257 AMAQI
19th Aug 2025358 AMAQI
19th Aug 2025369 AMAQI
19th Aug 20254210 AMAQI
19th Aug 20253711 AMAQI
19th Aug 20253812 PMAQI
19th Aug 2025331 PMAQI
19th Aug 2025342 PMAQI
19th Aug 2025303 PMAQI
19th Aug 2025334 PMAQI
19th Aug 2025405 PMAQI
19th Aug 2025306 PMAQI
19th Aug 2025257 PMAQI
19th Aug 2025328 PMAQI
19th Aug 2025269 PMAQI
19th Aug 20252610 PMAQI
19th Aug 20252811 PMAQI
20th Aug 20254312 AMAQI
20th Aug 2025311 AMAQI
20th Aug 2025322 AMAQI
20th Aug 2025353 AMAQI
20th Aug 2025324 AMAQI
20th Aug 2025365 AMAQI
20th Aug 2025456 AMAQI

29°C23/36°C

20th Aug 2025387 AMAQI
20th Aug 2025468 AMAQI
20th Aug 2025449 AMAQI
20th Aug 20254810 AMAQI
20th Aug 20254811 AMAQI
20th Aug 20254412 PMAQI
20th Aug 2025401 PMAQI
20th Aug 2025422 PMAQI
20th Aug 2025403 PMAQI
20th Aug 2025354 PMAQI
20th Aug 2025335 PMAQI
20th Aug 2025286 PMAQI
20th Aug 2025317 PMAQI
20th Aug 2025368 PMAQI
20th Aug 2025319 PMAQI
20th Aug 20253310 PMAQI
20th Aug 20253111 PMAQI
21st Aug 20253712 AMAQI
21st Aug 2025381 AMAQI
21st Aug 2025342 AMAQI
21st Aug 2025303 AMAQI
21st Aug 2025274 AMAQI
21st Aug 2025265 AMAQI
21st Aug 2025346 AMAQI

26°C23/30°C

21st Aug 2025337 AMAQI
21st Aug 2025348 AMAQI
21st Aug 2025319 AMAQI
21st Aug 20253310 AMAQI
21st Aug 20253011 AMAQI
21st Aug 20253412 PMAQI
21st Aug 2025301 PMAQI
21st Aug 2025302 PMAQI
21st Aug 2025253 PMAQI
21st Aug 2025244 PMAQI
21st Aug 2025245 PMAQI
21st Aug 2025306 PMAQI
21st Aug 2025297 PMAQI
21st Aug 2025268 PMAQI
21st Aug 2025269 PMAQI
21st Aug 20257110 PMAQI
21st Aug 20257411 PMAQI
22nd Aug 20256912 AMAQI
22nd Aug 2025751 AMAQI
22nd Aug 2025522 AMAQI
22nd Aug 2025463 AMAQI
22nd Aug 2025444 AMAQI
22nd Aug 2025375 AMAQI
22nd Aug 2025396 AMAQI

29°C23/35°C

22nd Aug 2025427 AMAQI
22nd Aug 2025468 AMAQI
22nd Aug 2025469 AMAQI
22nd Aug 20254610 AMAQI
22nd Aug 20254811 AMAQI
22nd Aug 20253912 PMAQI
22nd Aug 2025401 PMAQI
22nd Aug 2025402 PMAQI
22nd Aug 2025383 PMAQI
22nd Aug 2025324 PMAQI
22nd Aug 2025325 PMAQI
22nd Aug 2025446 PMAQI
22nd Aug 2025407 PMAQI
22nd Aug 2025378 PMAQI
22nd Aug 2025369 PMAQI
22nd Aug 20253910 PMAQI
22nd Aug 20254111 PMAQI
23rd Aug 20254512 AMAQI
23rd Aug 2025421 AMAQI
23rd Aug 2025452 AMAQI
23rd Aug 2025423 AMAQI
23rd Aug 2025424 AMAQI
23rd Aug 2025375 AMAQI
23rd Aug 2025426 AMAQI

27°C23/31°C

23rd Aug 2025527 AMAQI
23rd Aug 2025538 AMAQI
23rd Aug 2025509 AMAQI
23rd Aug 20254710 AMAQI
23rd Aug 20254711 AMAQI
23rd Aug 20254512 PMAQI
23rd Aug 2025391 PMAQI
23rd Aug 2025382 PMAQI
23rd Aug 2025333 PMAQI
23rd Aug 2025294 PMAQI
23rd Aug 2025325 PMAQI
23rd Aug 2025406 PMAQI
23rd Aug 2025377 PMAQI
23rd Aug 2025318 PMAQI
23rd Aug 2025329 PMAQI
23rd Aug 20253810 PMAQI
23rd Aug 20254311 PMAQI
24th Aug 20253812 AMAQI
24th Aug 2025441 AMAQI
24th Aug 2025402 AMAQI
24th Aug 2025353 AMAQI
24th Aug 2025364 AMAQI
24th Aug 2025335 AMAQI
24th Aug 2025346 AMAQI

27°C23/33°C

24th Aug 2025327 AMAQI
24th Aug 2025348 AMAQI
24th Aug 2025339 AMAQI
24th Aug 20253810 AMAQI
24th Aug 20253411 AMAQI
24th Aug 20253212 PMAQI
24th Aug 2025321 PMAQI
24th Aug 2025322 PMAQI
24th Aug 2025343 PMAQI
24th Aug 2025374 PMAQI
24th Aug 2025405 PMAQI
24th Aug 2025396 PMAQI
24th Aug 2025367 PMAQI
24th Aug 2025338 PMAQI
24th Aug 2025389 PMAQI
24th Aug 20254010 PMAQI
24th Aug 20253811 PMAQI
25th Aug 20253712 AMAQI
25th Aug 2025341 AMAQI
25th Aug 2025322 AMAQI
25th Aug 2025323 AMAQI
25th Aug 2025324 AMAQI
25th Aug 2025315 AMAQI
25th Aug 2025316 AMAQI

27°C24/33°C

25th Aug 2025357 AMAQI
25th Aug 2025338 AMAQI
25th Aug 2025389 AMAQI
25th Aug 20253810 AMAQI
25th Aug 20254211 AMAQI
25th Aug 20254312 PMAQI
25th Aug 2025431 PMAQI
25th Aug 2025432 PMAQI
25th Aug 2025513 PMAQI
25th Aug 2025514 PMAQI
25th Aug 2025515 PMAQI
25th Aug 2025346 PMAQI
25th Aug 2025387 PMAQI
25th Aug 2025378 PMAQI
25th Aug 2025399 PMAQI
25th Aug 20254310 PMAQI
25th Aug 20254611 PMAQI
26th Aug 20254612 AMAQI
26th Aug 2025431 AMAQI
26th Aug 2025382 AMAQI
26th Aug 2025303 AMAQI
26th Aug 2025354 AMAQI
26th Aug 2025345 AMAQI
26th Aug 2025326 AMAQI

26°C24/32°C

26th Aug 2025317 AMAQI
26th Aug 2025358 AMAQI
26th Aug 2025399 AMAQI
26th Aug 20254110 AMAQI
26th Aug 20254111 AMAQI
26th Aug 20253312 PMAQI
26th Aug 2025311 PMAQI
26th Aug 2025302 PMAQI
26th Aug 2025323 PMAQI
26th Aug 2025364 PMAQI
26th Aug 2025345 PMAQI
26th Aug 2025426 PMAQI
26th Aug 2025447 PMAQI
26th Aug 2025428 PMAQI
26th Aug 2025429 PMAQI
26th Aug 20255210 PMAQI
26th Aug 20254811 PMAQI
27th Aug 20254712 AMAQI
27th Aug 2025441 AMAQI
27th Aug 2025422 AMAQI
27th Aug 2025443 AMAQI
27th Aug 2025374 AMAQI
27th Aug 2025475 AMAQI
27th Aug 2025396 AMAQI

26°C23/30°C

27th Aug 2025457 AMAQI
27th Aug 2025448 AMAQI
27th Aug 2025489 AMAQI
27th Aug 20254810 AMAQI
27th Aug 20254211 AMAQI
27th Aug 20254412 PMAQI
27th Aug 2025481 PMAQI
27th Aug 2025482 PMAQI
27th Aug 2025513 PMAQI
27th Aug 2025484 PMAQI
27th Aug 2025445 PMAQI
27th Aug 2025386 PMAQI
27th Aug 2025467 PMAQI
27th Aug 2025448 PMAQI
27th Aug 2025479 PMAQI
27th Aug 20253610 PMAQI
27th Aug 20254211 PMAQI
28th Aug 20253412 AMAQI
28th Aug 2025361 AMAQI
28th Aug 2025342 AMAQI
28th Aug 2025323 AMAQI
28th Aug 2025294 AMAQI
28th Aug 2025285 AMAQI
28th Aug 2025306 AMAQI

27°C22/34°C

28th Aug 2025327 AMAQI
28th Aug 2025308 AMAQI
28th Aug 2025329 AMAQI
28th Aug 20253610 AMAQI
28th Aug 20253611 AMAQI
28th Aug 20253712 PMAQI
28th Aug 2025341 PMAQI
28th Aug 2025392 PMAQI
28th Aug 2025383 PMAQI
28th Aug 2025344 PMAQI
28th Aug 2025325 PMAQI
28th Aug 2025346 PMAQI
28th Aug 2025327 PMAQI
28th Aug 2025338 PMAQI
28th Aug 2025329 PMAQI
28th Aug 20252510 PMAQI
28th Aug 20252411 PMAQI
29th Aug 20252912 AMAQI
29th Aug 2025341 AMAQI
29th Aug 2025342 AMAQI
29th Aug 2025363 AMAQI
29th Aug 2025364 AMAQI
29th Aug 2025405 AMAQI
29th Aug 2025456 AMAQI

28°C22/35°C

29th Aug 2025437 AMAQI
29th Aug 2025428 AMAQI
29th Aug 2025409 AMAQI
29th Aug 20254010 AMAQI
29th Aug 20254211 AMAQI
29th Aug 20253812 PMAQI
29th Aug 2025341 PMAQI
29th Aug 2025322 PMAQI
29th Aug 2025293 PMAQI
29th Aug 2025334 PMAQI
29th Aug 2025325 PMAQI
29th Aug 2025386 PMAQI
29th Aug 2025367 PMAQI
29th Aug 2025388 PMAQI
29th Aug 2025419 PMAQI
29th Aug 20253810 PMAQI
29th Aug 20253611 PMAQI
30th Aug 20253612 AMAQI
30th Aug 2025321 AMAQI
30th Aug 2025312 AMAQI
30th Aug 2025363 AMAQI
30th Aug 2025394 AMAQI
30th Aug 2025375 AMAQI
30th Aug 2025366 AMAQI

29°C23/34°C

30th Aug 2025387 AMAQI
30th Aug 2025358 AMAQI
30th Aug 2025369 AMAQI
30th Aug 20253010 AMAQI
30th Aug 20253311 AMAQI
30th Aug 20253212 PMAQI
30th Aug 2025401 PMAQI
30th Aug 2025372 PMAQI
30th Aug 2025263 PMAQI
30th Aug 2025314 PMAQI
30th Aug 2025345 PMAQI
30th Aug 2025326 PMAQI
30th Aug 2025327 PMAQI
30th Aug 2025268 PMAQI
30th Aug 2025279 PMAQI
30th Aug 20253610 PMAQI
30th Aug 20253011 PMAQI
31st Aug 20252612 AMAQI
31st Aug 2025291 AMAQI
31st Aug 2025322 AMAQI
31st Aug 2025343 AMAQI
31st Aug 2025324 AMAQI
31st Aug 2025285 AMAQI
31st Aug 2025286 AMAQI

29°C23/34°C

31st Aug 2025297 AMAQI
31st Aug 2025308 AMAQI
31st Aug 2025349 AMAQI
31st Aug 20254210 AMAQI
31st Aug 20254811 AMAQI
31st Aug 20255112 PMAQI
31st Aug 2025521 PMAQI
31st Aug 2025482 PMAQI
31st Aug 2025483 PMAQI
31st Aug 2025404 PMAQI
31st Aug 2025445 PMAQI
31st Aug 2025406 PMAQI
31st Aug 2025377 PMAQI
31st Aug 2025488 PMAQI
31st Aug 2025469 PMAQI
31st Aug 20254710 PMAQI
31st Aug 20254711 PMAQI
1st Sep 20259612 AMAQI
1st Sep 2025621 AMAQI
1st Sep 2025552 AMAQI
1st Sep 2025483 AMAQI
1st Sep 2025384 AMAQI
1st Sep 2025325 AMAQI
1st Sep 2025296 AMAQI

28°C23/34°C

1st Sep 2025317 AMAQI
1st Sep 2025388 AMAQI
1st Sep 2025269 AMAQI
1st Sep 20252710 AMAQI
1st Sep 20252811 AMAQI
1st Sep 20253112 PMAQI
1st Sep 2025341 PMAQI
1st Sep 2025312 PMAQI
1st Sep 2025343 PMAQI
1st Sep 2025344 PMAQI
1st Sep 2025345 PMAQI
1st Sep 2025306 PMAQI
1st Sep 2025337 PMAQI
1st Sep 2025548 PMAQI
1st Sep 2025749 PMAQI
1st Sep 20256710 PMAQI
1st Sep 20256511 PMAQI
2nd Sep 20255612 AMAQI
2nd Sep 2025391 AMAQI
2nd Sep 2025342 AMAQI
2nd Sep 2025283 AMAQI
2nd Sep 2025244 AMAQI
2nd Sep 2025265 AMAQI
2nd Sep 2025266 AMAQI

27°C22/34°C

2nd Sep 2025257 AMAQI
2nd Sep 2025258 AMAQI
2nd Sep 2025269 AMAQI
2nd Sep 20252810 AMAQI
2nd Sep 20252811 AMAQI
2nd Sep 20253012 PMAQI
2nd Sep 2025301 PMAQI
2nd Sep 2025282 PMAQI
2nd Sep 2025323 PMAQI
2nd Sep 2025384 PMAQI
2nd Sep 2025375 PMAQI
2nd Sep 2025286 PMAQI
2nd Sep 2025317 PMAQI
2nd Sep 2025328 PMAQI
2nd Sep 2025359 PMAQI
2nd Sep 20253910 PMAQI
2nd Sep 20254211 PMAQI
3rd Sep 20253912 AMAQI
3rd Sep 2025381 AMAQI
3rd Sep 2025362 AMAQI
3rd Sep 2025363 AMAQI
3rd Sep 2025344 AMAQI
3rd Sep 2025315 AMAQI
3rd Sep 2025316 AMAQI

27°C23/32°C

3rd Sep 2025367 AMAQI
3rd Sep 2025328 AMAQI
3rd Sep 2025389 AMAQI
3rd Sep 20253110 AMAQI
3rd Sep 20253211 AMAQI
3rd Sep 20253212 PMAQI
3rd Sep 2025301 PMAQI
3rd Sep 2025262 PMAQI
3rd Sep 2025293 PMAQI
3rd Sep 2025324 PMAQI
3rd Sep 2025355 PMAQI
3rd Sep 2025326 PMAQI
3rd Sep 2025287 PMAQI
3rd Sep 2025288 PMAQI
3rd Sep 2025319 PMAQI
3rd Sep 20254910 PMAQI
3rd Sep 20254611 PMAQI
4th Sep 20253912 AMAQI
4th Sep 2025381 AMAQI
4th Sep 2025372 AMAQI
4th Sep 2025543 AMAQI
4th Sep 2025464 AMAQI
4th Sep 2025285 AMAQI
4th Sep 2025306 AMAQI

29°C24/35°C

4th Sep 2025467 AMAQI
4th Sep 2025448 AMAQI
4th Sep 2025319 AMAQI
4th Sep 20253610 AMAQI
4th Sep 20255311 AMAQI
4th Sep 20255312 PMAQI
4th Sep 2025521 PMAQI
4th Sep 2025542 PMAQI
4th Sep 2025473 PMAQI
4th Sep 2025424 PMAQI
4th Sep 2025405 PMAQI
4th Sep 2025406 PMAQI
4th Sep 2025407 PMAQI
4th Sep 2025438 PMAQI
4th Sep 2025409 PMAQI
4th Sep 20253410 PMAQI
4th Sep 20252611 PMAQI
5th Sep 20253012 AMAQI
5th Sep 2025301 AMAQI
5th Sep 2025292 AMAQI
5th Sep 2025263 AMAQI
5th Sep 2025274 AMAQI
5th Sep 2025275 AMAQI
5th Sep 2025316 AMAQI

29°C22/36°C

5th Sep 2025277 AMAQI
5th Sep 2025278 AMAQI
5th Sep 2025379 AMAQI
5th Sep 20254010 AMAQI
5th Sep 20254411 AMAQI
5th Sep 20254212 PMAQI
5th Sep 2025461 PMAQI
5th Sep 2025492 PMAQI
5th Sep 2025503 PMAQI
5th Sep 2025494 PMAQI
5th Sep 2025535 PMAQI
5th Sep 2025306 PMAQI
5th Sep 2025327 PMAQI
5th Sep 2025348 PMAQI
5th Sep 2025419 PMAQI
5th Sep 20254510 PMAQI
5th Sep 20254811 PMAQI
6th Sep 20254912 AMAQI
6th Sep 2025561 AMAQI
6th Sep 2025552 AMAQI
6th Sep 2025543 AMAQI
6th Sep 2025564 AMAQI
6th Sep 2025565 AMAQI
6th Sep 2025556 AMAQI

29°C22/35°C

6th Sep 2025557 AMAQI
6th Sep 2025578 AMAQI
6th Sep 2025589 AMAQI
6th Sep 20256110 AMAQI
6th Sep 20256411 AMAQI
6th Sep 20256812 PMAQI
6th Sep 2025651 PMAQI
6th Sep 2025622 PMAQI
6th Sep 2025563 PMAQI
6th Sep 2025584 PMAQI
6th Sep 2025595 PMAQI
6th Sep 2025596 PMAQI
6th Sep 2025607 PMAQI
6th Sep 2025548 PMAQI
6th Sep 2025569 PMAQI
6th Sep 20255110 PMAQI
6th Sep 20254611 PMAQI
7th Sep 20254212 AMAQI
7th Sep 2025341 AMAQI
7th Sep 2025372 AMAQI
7th Sep 2025343 AMAQI
7th Sep 2025364 AMAQI
7th Sep 2025385 AMAQI
7th Sep 2025366 AMAQI

28°C24/33°C

7th Sep 2025407 AMAQI
7th Sep 2025408 AMAQI
7th Sep 2025399 AMAQI
7th Sep 20253710 AMAQI
7th Sep 20253811 AMAQI
7th Sep 20253712 PMAQI
7th Sep 2025311 PMAQI
7th Sep 2025342 PMAQI
7th Sep 2025313 PMAQI
7th Sep 2025294 PMAQI
7th Sep 2025225 PMAQI
7th Sep 2025396 PMAQI
7th Sep 2025347 PMAQI
7th Sep 2025308 PMAQI
7th Sep 2025409 PMAQI
7th Sep 20254610 PMAQI
7th Sep 20253211 PMAQI
8th Sep 20254912 AMAQI
8th Sep 2025571 AMAQI
8th Sep 2025532 AMAQI
8th Sep 2025523 AMAQI
8th Sep 2025724 AMAQI
8th Sep 2025485 AMAQI
8th Sep 2025346 AMAQI

27°C23/31°C

8th Sep 2025397 AMAQI
8th Sep 2025408 AMAQI
8th Sep 2025439 AMAQI
8th Sep 20254410 AMAQI
8th Sep 20253811 AMAQI
8th Sep 20254012 PMAQI
8th Sep 2025381 PMAQI
8th Sep 2025412 PMAQI
8th Sep 2025423 PMAQI
8th Sep 2025444 PMAQI
8th Sep 2025365 PMAQI
8th Sep 2025356 PMAQI
8th Sep 2025267 PMAQI
8th Sep 2025338 PMAQI
8th Sep 2025289 PMAQI
8th Sep 20253310 PMAQI
8th Sep 20253811 PMAQI
9th Sep 20252712 AMAQI
9th Sep 2025331 AMAQI
9th Sep 2025342 AMAQI
9th Sep 2025373 AMAQI
9th Sep 2025344 AMAQI
9th Sep 2025435 AMAQI
9th Sep 2025376 AMAQI

25°C22/28°C

9th Sep 2025427 AMAQI
9th Sep 2025398 AMAQI
9th Sep 2025409 AMAQI
9th Sep 20254410 AMAQI
9th Sep 20254511 AMAQI
9th Sep 20254112 PMAQI
9th Sep 2025381 PMAQI
9th Sep 2025392 PMAQI
9th Sep 2025463 PMAQI
9th Sep 2025464 PMAQI
9th Sep 2025405 PMAQI
9th Sep 2025396 PMAQI
9th Sep 2025417 PMAQI
9th Sep 2025418 PMAQI
9th Sep 2025449 PMAQI
9th Sep 20254010 PMAQI
9th Sep 20254811 PMAQI
10th Sep 20255112 AMAQI
10th Sep 2025521 AMAQI
10th Sep 2025522 AMAQI
10th Sep 2025503 AMAQI
10th Sep 2025504 AMAQI
10th Sep 2025485 AMAQI
10th Sep 2025466 AMAQI

26°C22/32°C

10th Sep 2025447 AMAQI
10th Sep 2025488 AMAQI
10th Sep 2025489 AMAQI
10th Sep 20254610 AMAQI
10th Sep 20254011 AMAQI
10th Sep 20254012 PMAQI
10th Sep 2025391 PMAQI
10th Sep 2025322 PMAQI
10th Sep 2025313 PMAQI
10th Sep 2025324 PMAQI
10th Sep 2025305 PMAQI
10th Sep 2025396 PMAQI
10th Sep 2025407 PMAQI
10th Sep 2025408 PMAQI
10th Sep 2025489 PMAQI
10th Sep 20253210 PMAQI
10th Sep 20253111 PMAQI
11th Sep 20253312 AMAQI
11th Sep 2025341 AMAQI
11th Sep 2025262 AMAQI
11th Sep 2025263 AMAQI
11th Sep 2025284 AMAQI
11th Sep 2025305 AMAQI
11th Sep 2025306 AMAQI

25°C21/30°C

11th Sep 2025327 AMAQI
11th Sep 2025348 AMAQI
11th Sep 2025439 AMAQI
11th Sep 20254610 AMAQI
11th Sep 20254611 AMAQI
11th Sep 20254812 PMAQI
11th Sep 2025421 PMAQI
11th Sep 2025362 PMAQI
11th Sep 2025413 PMAQI
11th Sep 2025394 PMAQI
11th Sep 2025355 PMAQI
11th Sep 2025306 PMAQI
11th Sep 2025287 PMAQI
11th Sep 2025288 PMAQI
11th Sep 2025299 PMAQI
11th Sep 20253510 PMAQI
11th Sep 20253011 PMAQI
12th Sep 20253012 AMAQI
12th Sep 2025311 AMAQI
12th Sep 2025252 AMAQI
12th Sep 2025293 AMAQI
12th Sep 2025324 AMAQI
12th Sep 2025285 AMAQI
12th Sep 2025276 AMAQI

25°C21/32°C

12th Sep 2025267 AMAQI
12th Sep 2025328 AMAQI
12th Sep 2025329 AMAQI
12th Sep 20253610 AMAQI
12th Sep 20253811 AMAQI
12th Sep 20254012 PMAQI
12th Sep 2025391 PMAQI
12th Sep 2025402 PMAQI
12th Sep 2025423 PMAQI
12th Sep 2025434 PMAQI
12th Sep 2025395 PMAQI
12th Sep 2025336 PMAQI
12th Sep 2025347 PMAQI
12th Sep 2025308 PMAQI
12th Sep 2025309 PMAQI
12th Sep 20254010 PMAQI
12th Sep 20254011 PMAQI
13th Sep 20253912 AMAQI
13th Sep 2025391 AMAQI
13th Sep 2025402 AMAQI
13th Sep 2025393 AMAQI
13th Sep 2025374 AMAQI
13th Sep 2025415 AMAQI
13th Sep 2025406 AMAQI

25°C22/29°C

13th Sep 2025407 AMAQI
13th Sep 2025408 AMAQI
13th Sep 2025399 AMAQI
13th Sep 20253810 AMAQI
13th Sep 20253811 AMAQI
13th Sep 20253512 PMAQI
13th Sep 2025341 PMAQI
13th Sep 2025342 PMAQI
13th Sep 2025333 PMAQI
13th Sep 2025334 PMAQI
13th Sep 2025345 PMAQI
13th Sep 2025366 PMAQI
13th Sep 2025367 PMAQI
13th Sep 2025358 PMAQI
13th Sep 2025369 PMAQI
13th Sep 20253510 PMAQI
13th Sep 20253311 PMAQI
14th Sep 20253612 AMAQI
14th Sep 2025381 AMAQI
14th Sep 2025402 AMAQI
14th Sep 2025403 AMAQI
14th Sep 2025494 AMAQI
14th Sep 2025405 AMAQI
14th Sep 2025336 AMAQI

25°C22/29°C

14th Sep 2025367 AMAQI
14th Sep 2025358 AMAQI
14th Sep 2025399 AMAQI
14th Sep 20253610 AMAQI
14th Sep 20252911 AMAQI
14th Sep 20252812 PMAQI
14th Sep 2025241 PMAQI
14th Sep 2025202 PMAQI
14th Sep 2025213 PMAQI
14th Sep 2025254 PMAQI
14th Sep 2025205 PMAQI
14th Sep 2025366 PMAQI
14th Sep 2025277 PMAQI
14th Sep 2025258 PMAQI
14th Sep 2025279 PMAQI
14th Sep 20252810 PMAQI
14th Sep 20253411 PMAQI
15th Sep 20253512 AMAQI
15th Sep 2025241 AMAQI
15th Sep 2025262 AMAQI
15th Sep 2025303 AMAQI
15th Sep 2025314 AMAQI
15th Sep 2025275 AMAQI
15th Sep 2025356 AMAQI

24°C22/29°C

15th Sep 2025477 AMAQI
15th Sep 2025448 AMAQI
15th Sep 2025449 AMAQI
15th Sep 20253810 AMAQI
15th Sep 20254211 AMAQI
15th Sep 20254012 PMAQI
15th Sep 2025411 PMAQI
15th Sep 2025372 PMAQI
15th Sep 2025363 PMAQI
15th Sep 2025344 PMAQI
15th Sep 2025335 PMAQI
15th Sep 2025356 PMAQI
15th Sep 2025367 PMAQI
15th Sep 2025378 PMAQI
15th Sep 2025369 PMAQI
15th Sep 20253610 PMAQI
15th Sep 20253411 PMAQI
16th Sep 20253812 AMAQI
16th Sep 2025421 AMAQI
16th Sep 2025412 AMAQI
16th Sep 2025383 AMAQI
16th Sep 2025484 AMAQI
16th Sep 2025475 AMAQI
16th Sep 2025426 AMAQI

23°C21/27°C

16th Sep 2025447 AMAQI
7 AM
16th Sep 2025408 AMAQI
16th Sep 2025519 AMAQI
16th Sep 20254810 AMAQI
16th Sep 20255511 AMAQI
16th Sep 20254612 PMAQI
16th Sep 2025451 PMAQI
1 PM
16th Sep 2025452 PMAQI
16th Sep 2025423 PMAQI
16th Sep 2025454 PMAQI
8 PM
1 AM
6 AM

--°C/°C

Day time
Avg. Highest Time
7 AM - 8 PM

38AQI

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

38AQI

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. 38), while the lowest AQI was between 7 AM to 8 PM (Avg. 38).
Night time
Avg. Highest Time
12 AM

42AQI

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

36AQI

2 hours / Day
60 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 12 AM to 12 AM (Avg. 42), while the lowest AQI was between 5 AM to 6 AM (Avg. 36).

2025 Days Vs Air Quality

Valle Alto, Nuevo Leon, Mexico

2025

34%

89

65%

167

0.3%

1

0.3%

1

Total number of days with different AQI categories in last 259 days in 2025 (106 days remaining)

Good
89 Days
Moderate
167 Days
Poor
1 Days
Unhealthy
1 Days
Severe
0 Days
Hazardous
0 Days

Under WHO’s Safe Air Quality Limits: 34%

Health Risk Level:

High

In 2025, 34% of 259 days were within WHO’s safe air quality limits. The risk of health issues is High, with respiratory problems, heart disease, skin issues, and stress being more common, particularly among children and the elderly.

Annual Air Quality Insights

Valle Alto, Nuevo Leon, Mexico

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
75AQI
2nd January 2025
89AQI
3rd January 2025
100AQI
4th January 2025
78AQI
5th January 2025
74AQI
6th January 2025
47AQI
7th January 2025
49AQI
8th January 2025
45AQI
9th January 2025
55AQI
10th January 2025
49AQI
11th January 2025
55AQI
12th January 2025
62AQI
13th January 2025
49AQI
14th January 2025
48AQI
15th January 2025
41AQI
16th January 2025
42AQI
17th January 2025
38AQI
18th January 2025
43AQI
19th January 2025
46AQI
20th January 2025
46AQI
21st January 2025
47AQI
22nd January 2025
63AQI
23rd January 2025
63AQI
24th January 2025
60AQI
25th January 2025
78AQI
26th January 2025
84AQI
27th January 2025
67AQI
28th January 2025
49AQI
29th January 2025
72AQI
30th January 2025
86AQI
31st January 2025
71AQI
1st February 2025
67AQI
2nd February 2025
76AQI
3rd February 2025
75AQI
4th February 2025
75AQI
5th February 2025
71AQI
6th February 2025
83AQI
7th February 2025
84AQI
8th February 2025
91AQI
9th February 2025
95AQI
10th February 2025
71AQI
11th February 2025
83AQI
12th February 2025
79AQI
13th February 2025
53AQI
14th February 2025
78AQI
15th February 2025
100AQI
16th February 2025
64AQI
17th February 2025
57AQI
18th February 2025
90AQI
19th February 2025
67AQI
20th February 2025
52AQI
21st February 2025
64AQI
22nd February 2025
68AQI
23rd February 2025
81AQI
24th February 2025
72AQI
25th February 2025
73AQI
26th February 2025
79AQI
27th February 2025
66AQI
28th February 2025
58AQI
1st March 2025
72AQI
2nd March 2025
61AQI
3rd March 2025
84AQI
4th March 2025
88AQI
5th March 2025
98AQI
6th March 2025
117AQI
7th March 2025
99AQI
8th March 2025
79AQI
9th March 2025
52AQI
10th March 2025
52AQI
11th March 2025
79AQI
12th March 2025
65AQI
13th March 2025
63AQI
14th March 2025
71AQI
15th March 2025
72AQI
16th March 2025
94AQI
17th March 2025
79AQI
18th March 2025
67AQI
19th March 2025
158AQI
20th March 2025
88AQI
21st March 2025
59AQI
22nd March 2025
75AQI
23rd March 2025
83AQI
24th March 2025
77AQI
25th March 2025
64AQI
26th March 2025
60AQI
27th March 2025
54AQI
28th March 2025
53AQI
29th March 2025
56AQI
30th March 2025
69AQI
31st March 2025
68AQI
1st April 2025
79AQI
2nd April 2025
77AQI
3rd April 2025
68AQI
4th April 2025
71AQI
5th April 2025
59AQI
6th April 2025
36AQI
7th April 2025
44AQI
8th April 2025
53AQI
9th April 2025
62AQI
10th April 2025
65AQI
11th April 2025
58AQI
12th April 2025
54AQI
13th April 2025
66AQI
14th April 2025
59AQI
15th April 2025
66AQI
16th April 2025
59AQI
17th April 2025
64AQI
18th April 2025
69AQI
19th April 2025
82AQI
20th April 2025
69AQI
21st April 2025
66AQI
22nd April 2025
66AQI
23rd April 2025
67AQI
24th April 2025
69AQI
25th April 2025
71AQI
26th April 2025
68AQI
27th April 2025
71AQI
28th April 2025
70AQI
29th April 2025
65AQI
30th April 2025
69AQI
1st May 2025
70AQI
2nd May 2025
71AQI
3rd May 2025
49AQI
4th May 2025
49AQI
5th May 2025
54AQI
6th May 2025
73AQI
7th May 2025
66AQI
8th May 2025
58AQI
9th May 2025
43AQI
10th May 2025
45AQI
11th May 2025
51AQI
12th May 2025
56AQI
13th May 2025
68AQI
14th May 2025
75AQI
15th May 2025
84AQI
16th May 2025
89AQI
17th May 2025
90AQI
18th May 2025
72AQI
19th May 2025
71AQI
20th May 2025
68AQI
21st May 2025
69AQI
22nd May 2025
60AQI
23rd May 2025
62AQI
24th May 2025
61AQI
25th May 2025
63AQI
26th May 2025
67AQI
27th May 2025
70AQI
28th May 2025
65AQI
29th May 2025
60AQI
30th May 2025
58AQI
31st May 2025
56AQI
1st June 2025
58AQI
2nd June 2025
61AQI
3rd June 2025
69AQI
4th June 2025
61AQI
5th June 2025
58AQI
6th June 2025
53AQI
7th June 2025
57AQI
8th June 2025
59AQI
9th June 2025
55AQI
10th June 2025
62AQI
11th June 2025
52AQI
12th June 2025
49AQI
13th June 2025
53AQI
14th June 2025
58AQI
15th June 2025
51AQI
16th June 2025
48AQI
17th June 2025
42AQI
18th June 2025
36AQI
19th June 2025
37AQI
20th June 2025
35AQI
21st June 2025
31AQI
22nd June 2025
30AQI
23rd June 2025
44AQI
24th June 2025
35AQI
25th June 2025
39AQI
26th June 2025
37AQI
27th June 2025
31AQI
28th June 2025
36AQI
29th June 2025
41AQI
30th June 2025
30AQI
1st July 2025
29AQI
2nd July 2025
35AQI
3rd July 2025
46AQI
4th July 2025
56AQI
5th July 2025
57AQI
6th July 2025
64AQI
7th July 2025
54AQI
8th July 2025
56AQI
9th July 2025
46AQI
10th July 2025
50AQI
11th July 2025
54AQI
12th July 2025
55AQI
13th July 2025
53AQI
14th July 2025
52AQI
15th July 2025
52AQI
16th July 2025
50AQI
17th July 2025
69AQI
18th July 2025
68AQI
19th July 2025
59AQI
20th July 2025
53AQI
21st July 2025
52AQI
22nd July 2025
54AQI
23rd July 2025
57AQI
24th July 2025
51AQI
25th July 2025
45AQI
26th July 2025
51AQI
27th July 2025
55AQI
28th July 2025
46AQI
29th July 2025
54AQI
30th July 2025
54AQI
31st July 2025
40AQI
1st August 2025
34AQI
2nd August 2025
42AQI
3rd August 2025
36AQI
4th August 2025
35AQI
5th August 2025
41AQI
6th August 2025
38AQI
7th August 2025
36AQI
8th August 2025
36AQI
9th August 2025
45AQI
10th August 2025
39AQI
11th August 2025
39AQI
12th August 2025
35AQI
13th August 2025
47AQI
14th August 2025
56AQI
15th August 2025
40AQI
16th August 2025
46AQI
17th August 2025
48AQI
18th August 2025
30AQI
19th August 2025
30AQI
20th August 2025
37AQI
21st August 2025
34AQI
22nd August 2025
45AQI
23rd August 2025
41AQI
24th August 2025
36AQI
25th August 2025
38AQI
26th August 2025
39AQI
27th August 2025
44AQI
28th August 2025
32AQI
29th August 2025
37AQI
30th August 2025
33AQI
31st August 2025
39AQI
1st September 2025
46AQI
2nd September 2025
33AQI
3rd September 2025
34AQI
4th September 2025
41AQI
5th September 2025
37AQI
6th September 2025
57AQI
7th September 2025
36AQI
8th September 2025
43AQI
9th September 2025
39AQI
10th September 2025
43AQI
11th September 2025
33AQI
12th September 2025
33AQI
13th September 2025
37AQI
14th September 2025
33AQI
15th September 2025
34AQI
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

60AQI

74AQI

76AQI

65AQI

64AQI

47AQI

52AQI

39AQI

39AQI

No. of days

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

202558AQI

14
17
28
29
1
1
2
28
4
27
16
14
9
22
30
1
14
1
89
167
1
1

Highest AQI recorded in

March

76AQI

Lowest AQI recorded in

September

39AQI

202458AQI

2
12
1
1
5
24
1
10
2
7
16
3
3
18
7
11
19
30
1
20
10
17
13
13
18
12
18
5
25
1
126
184
14
1

Highest AQI recorded in

May

78AQI

Lowest AQI recorded in

July

42AQI

202362AQI

5
21
2
2
22
2
4
21
6
8
20
1
1
9
21
1
5
13
3
12
19
13
17
19
11
16
15
10
19
16
15
119
214
15
1

Highest AQI recorded in

March

81AQI

Lowest AQI recorded in

September

50AQI

202264AQI

4
25
2
6
15
1
1
23
3
3
27
30
1
9
21
5
18
1
1
17
12
17
14
11
18
1
1
7
7
75
211
15

Highest AQI recorded in

December

89AQI

Lowest AQI recorded in

September

45AQI

202151AQI

24
6
21
6
1
9
20
2
12
17
1
13
10
20
8
21
10
18
11
21
6
12
9
19
11
3
27
193
141
3
1

Highest AQI recorded in

December

64AQI

Lowest AQI recorded in

January

41AQI

202041AQI

17
14
4
27
2
21
10
20
11
22
6
28
1
19
9
22
7
2
190
50
2

Highest AQI recorded in

December

49AQI

Lowest AQI recorded in

June

30AQI

Most & Least Polluted Years Over the Last 6 Years

Most Polluted Year Recorded
2022(Avg.)
64AQI
Least Polluted Year Recorded
2020(Avg.)
41AQI

Valle Alto's annual 2025 AQI (58) shows an average percentage change of 8.3% (worsened AQI) compared to previous years: 2020 (41), 2021 (51), 2022 (64), 2023 (62), 2024 (58).