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St Nicolas, San Nicolas De Los Garza, 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+

October Air Quality Analysis

St Nicolas, San Nicolas De Los Garza, Nuevo Leon, Mexico

2021
2022
2023
2024
2025
AQI
.
Days

AQI Trends: Highest and Lowest

Highest AQI recorded on
21st Oct 2023
110AQI
Lowest AQI recorded on
19th Oct 2024
12AQI

Same Day Analysis (1st October ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 1st highest AQI at 88 of Moderate air quality on the same day.

Download 2024 Annual Data

World Air Quality Report

Globe

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

St Nicolas, San Nicolas De Los Garza, Nuevo Leon, Mexico

AQI
Day
Night
.

7 AM1st Oct 2025

7 PM

6 AM2nd Oct 2025

Day time
Avg. Highest Time
12PM1st Oct

93AQI

Avg. Lowest Time
8AM1st Oct

62AQI

Night time
Avg. Highest Time
10PM1st Oct

84AQI

Avg. Lowest Time
3AM2nd Oct

67AQI

In the last 24 hours,

St Nicolas's AQI reached its highest point of 93 at 12 PM during the Day, while the lowest point, 62, was recorded at 8 AM during the Day between 1st Oct and 2nd Oct 2025.

Day & Night AQI Trend : Sep - Oct 2025

St Nicolas, San Nicolas De Los Garza, Nuevo Leon, Mexico

SepOct
02nd - 03rd03rd - 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 - 01st01st - 02nd02nd
Day
Night
2nd Sep 2025287 AMAQI
2nd Sep 2025328 AMAQI
2nd Sep 2025329 AMAQI
2nd Sep 20253310 AMAQI
2nd Sep 20253411 AMAQI
2nd Sep 20253412 PMAQI
2nd Sep 2025301 PMAQI
2nd Sep 2025292 PMAQI
2nd Sep 2025333 PMAQI
2nd Sep 2025294 PMAQI
2nd Sep 2025315 PMAQI
2nd Sep 2025326 PMAQI
2nd Sep 2025367 PMAQI
2nd Sep 2025388 PMAQI
2nd Sep 2025419 PMAQI
2nd Sep 20254410 PMAQI
2nd Sep 20256411 PMAQI
3rd Sep 20255112 AMAQI
3rd Sep 2025591 AMAQI
3rd Sep 2025432 AMAQI
3rd Sep 2025393 AMAQI
3rd Sep 2025444 AMAQI
3rd Sep 2025335 AMAQI
3rd Sep 2025336 AMAQI

28°C24/33°C

3rd Sep 2025347 AMAQI
3rd Sep 2025368 AMAQI
3rd Sep 2025389 AMAQI
3rd Sep 20253810 AMAQI
3rd Sep 20254211 AMAQI
3rd Sep 20254412 PMAQI
3rd Sep 2025441 PMAQI
3rd Sep 2025382 PMAQI
3rd Sep 2025423 PMAQI
3rd Sep 2025364 PMAQI
3rd Sep 2025355 PMAQI
3rd Sep 2025346 PMAQI
3rd Sep 2025357 PMAQI
3rd Sep 2025428 PMAQI
3rd Sep 2025449 PMAQI
3rd Sep 20255010 PMAQI
3rd Sep 20254711 PMAQI
4th Sep 20255712 AMAQI
4th Sep 2025421 AMAQI
4th Sep 2025632 AMAQI
4th Sep 2025503 AMAQI
4th Sep 2025544 AMAQI
4th Sep 2025515 AMAQI
4th Sep 2025486 AMAQI

29°C24/36°C

4th Sep 2025477 AMAQI
4th Sep 2025568 AMAQI
4th Sep 2025589 AMAQI
4th Sep 20256110 AMAQI
4th Sep 20255211 AMAQI
4th Sep 20255212 PMAQI
4th Sep 2025521 PMAQI
4th Sep 2025532 PMAQI
4th Sep 2025483 PMAQI
4th Sep 2025494 PMAQI
4th Sep 2025505 PMAQI
4th Sep 2025376 PMAQI
4th Sep 2025457 PMAQI
4th Sep 2025468 PMAQI
4th Sep 2025419 PMAQI
4th Sep 20253510 PMAQI
4th Sep 20252711 PMAQI
5th Sep 20253412 AMAQI
5th Sep 2025341 AMAQI
5th Sep 2025282 AMAQI
5th Sep 2025323 AMAQI
5th Sep 2025304 AMAQI
5th Sep 2025305 AMAQI
5th Sep 2025316 AMAQI

30°C23/37°C

5th Sep 2025317 AMAQI
5th Sep 2025328 AMAQI
5th Sep 2025419 AMAQI
5th Sep 20254310 AMAQI
5th Sep 20254611 AMAQI
5th Sep 20254212 PMAQI
5th Sep 2025461 PMAQI
5th Sep 2025512 PMAQI
5th Sep 2025503 PMAQI
5th Sep 2025534 PMAQI
5th Sep 2025545 PMAQI
5th Sep 2025346 PMAQI
5th Sep 2025387 PMAQI
5th Sep 2025388 PMAQI
5th Sep 2025489 PMAQI
5th Sep 20255210 PMAQI
5th Sep 20254911 PMAQI
6th Sep 20254912 AMAQI
6th Sep 2025541 AMAQI
6th Sep 2025542 AMAQI
6th Sep 2025563 AMAQI
6th Sep 2025544 AMAQI
6th Sep 2025525 AMAQI
6th Sep 2025536 AMAQI

29°C22/37°C

6th Sep 2025547 AMAQI
6th Sep 2025548 AMAQI
6th Sep 2025559 AMAQI
6th Sep 20255910 AMAQI
6th Sep 20256111 AMAQI
6th Sep 20256612 PMAQI
6th Sep 2025651 PMAQI
6th Sep 2025622 PMAQI
6th Sep 2025553 PMAQI
6th Sep 2025564 PMAQI
6th Sep 2025585 PMAQI
6th Sep 2025566 PMAQI
6th Sep 2025567 PMAQI
6th Sep 2025558 PMAQI
6th Sep 2025569 PMAQI
6th Sep 20255310 PMAQI
6th Sep 20254811 PMAQI
7th Sep 20254412 AMAQI
7th Sep 2025381 AMAQI
7th Sep 2025392 AMAQI
7th Sep 2025413 AMAQI
7th Sep 2025414 AMAQI
7th Sep 2025435 AMAQI
7th Sep 2025426 AMAQI

29°C24/35°C

7th Sep 2025427 AMAQI
7th Sep 2025428 AMAQI
7th Sep 2025399 AMAQI
7th Sep 20253910 AMAQI
7th Sep 20254011 AMAQI
7th Sep 20254012 PMAQI
7th Sep 2025321 PMAQI
7th Sep 2025342 PMAQI
7th Sep 2025333 PMAQI
7th Sep 2025314 PMAQI
7th Sep 2025255 PMAQI
7th Sep 2025396 PMAQI
7th Sep 2025407 PMAQI
7th Sep 2025308 PMAQI
7th Sep 2025419 PMAQI
7th Sep 20255410 PMAQI
7th Sep 20254411 PMAQI
8th Sep 20255612 AMAQI
8th Sep 2025631 AMAQI
8th Sep 2025642 AMAQI
8th Sep 2025603 AMAQI
8th Sep 2025744 AMAQI
8th Sep 2025525 AMAQI
8th Sep 2025456 AMAQI

27°C23/31°C

8th Sep 2025487 AMAQI
8th Sep 2025528 AMAQI
8th Sep 2025539 AMAQI
8th Sep 20255510 AMAQI
8th Sep 20254611 AMAQI
8th Sep 20254812 PMAQI
8th Sep 2025501 PMAQI
8th Sep 2025482 PMAQI
8th Sep 2025463 PMAQI
8th Sep 2025494 PMAQI
8th Sep 2025395 PMAQI
8th Sep 2025456 PMAQI
8th Sep 2025327 PMAQI
8th Sep 2025388 PMAQI
8th Sep 2025349 PMAQI
8th Sep 20254510 PMAQI
8th Sep 20254111 PMAQI
9th Sep 20253612 AMAQI
9th Sep 2025451 AMAQI
9th Sep 2025452 AMAQI
9th Sep 2025463 AMAQI
9th Sep 2025434 AMAQI
9th Sep 2025415 AMAQI
9th Sep 2025426 AMAQI

25°C22/29°C

9th Sep 2025427 AMAQI
9th Sep 2025438 AMAQI
9th Sep 2025449 AMAQI
9th Sep 20254810 AMAQI
9th Sep 20254911 AMAQI
9th Sep 20254512 PMAQI
9th Sep 2025471 PMAQI
9th Sep 2025462 PMAQI
9th Sep 2025513 PMAQI
9th Sep 2025494 PMAQI
9th Sep 2025475 PMAQI
9th Sep 2025406 PMAQI
9th Sep 2025437 PMAQI
9th Sep 2025428 PMAQI
9th Sep 2025449 PMAQI
9th Sep 20254610 PMAQI
9th Sep 20255411 PMAQI
10th Sep 20255612 AMAQI
10th Sep 2025541 AMAQI
10th Sep 2025702 AMAQI
10th Sep 2025543 AMAQI
10th Sep 2025544 AMAQI
10th Sep 2025505 AMAQI
10th Sep 2025476 AMAQI

26°C22/33°C

10th Sep 2025467 AMAQI
10th Sep 2025528 AMAQI
10th Sep 2025509 AMAQI
10th Sep 20254610 AMAQI
10th Sep 20253911 AMAQI
10th Sep 20254012 PMAQI
10th Sep 2025401 PMAQI
10th Sep 2025362 PMAQI
10th Sep 2025383 PMAQI
10th Sep 2025374 PMAQI
10th Sep 2025345 PMAQI
10th Sep 2025466 PMAQI
10th Sep 2025457 PMAQI
10th Sep 2025468 PMAQI
10th Sep 2025459 PMAQI
10th Sep 20253810 PMAQI
10th Sep 20253811 PMAQI
11th Sep 20253312 AMAQI
11th Sep 2025331 AMAQI
11th Sep 2025282 AMAQI
11th Sep 2025263 AMAQI
11th Sep 2025284 AMAQI
11th Sep 2025285 AMAQI
11th Sep 2025276 AMAQI

26°C21/34°C

11th Sep 2025287 AMAQI
11th Sep 2025338 AMAQI
11th Sep 2025449 AMAQI
11th Sep 20254510 AMAQI
11th Sep 20254611 AMAQI
11th Sep 20255012 PMAQI
11th Sep 2025451 PMAQI
11th Sep 2025412 PMAQI
11th Sep 2025413 PMAQI
11th Sep 2025424 PMAQI
11th Sep 2025385 PMAQI
11th Sep 2025296 PMAQI
11th Sep 2025307 PMAQI
11th Sep 2025338 PMAQI
11th Sep 2025309 PMAQI
11th Sep 20253410 PMAQI
11th Sep 20253011 PMAQI
12th Sep 20253112 AMAQI
12th Sep 2025321 AMAQI
12th Sep 2025292 AMAQI
12th Sep 2025333 AMAQI
12th Sep 2025354 AMAQI
12th Sep 2025325 AMAQI
12th Sep 2025326 AMAQI

26°C22/33°C

12th Sep 2025327 AMAQI
12th Sep 2025368 AMAQI
12th Sep 2025389 AMAQI
12th Sep 20254210 AMAQI
12th Sep 20254311 AMAQI
12th Sep 20254212 PMAQI
12th Sep 2025411 PMAQI
12th Sep 2025432 PMAQI
12th Sep 2025473 PMAQI
12th Sep 2025464 PMAQI
12th Sep 2025415 PMAQI
12th Sep 2025336 PMAQI
12th Sep 2025347 PMAQI
12th Sep 2025348 PMAQI
12th Sep 2025329 PMAQI
12th Sep 20254010 PMAQI
12th Sep 20254111 PMAQI
13th Sep 20254012 AMAQI
13th Sep 2025401 AMAQI
13th Sep 2025422 AMAQI
13th Sep 2025423 AMAQI
13th Sep 2025414 AMAQI
13th Sep 2025425 AMAQI
13th Sep 2025446 AMAQI

26°C23/33°C

13th Sep 2025447 AMAQI
13th Sep 2025448 AMAQI
13th Sep 2025439 AMAQI
13th Sep 20254210 AMAQI
13th Sep 20253911 AMAQI
13th Sep 20253812 PMAQI
13th Sep 2025381 PMAQI
13th Sep 2025382 PMAQI
13th Sep 2025353 PMAQI
13th Sep 2025344 PMAQI
13th Sep 2025365 PMAQI
13th Sep 2025396 PMAQI
13th Sep 2025367 PMAQI
13th Sep 2025388 PMAQI
13th Sep 2025389 PMAQI
13th Sep 20254210 PMAQI
13th Sep 20254111 PMAQI
14th Sep 20254312 AMAQI
14th Sep 2025451 AMAQI
14th Sep 2025482 AMAQI
14th Sep 2025483 AMAQI
14th Sep 2025524 AMAQI
14th Sep 2025495 AMAQI
14th Sep 2025456 AMAQI

26°C22/33°C

14th Sep 2025467 AMAQI
14th Sep 2025468 AMAQI
14th Sep 2025489 AMAQI
14th Sep 20254810 AMAQI
14th Sep 20254311 AMAQI
14th Sep 20254412 PMAQI
14th Sep 2025451 PMAQI
14th Sep 2025402 PMAQI
14th Sep 2025383 PMAQI
14th Sep 2025414 PMAQI
14th Sep 2025395 PMAQI
14th Sep 2025466 PMAQI
14th Sep 2025447 PMAQI
14th Sep 2025538 PMAQI
14th Sep 2025579 PMAQI
14th Sep 20255210 PMAQI
14th Sep 20254611 PMAQI
15th Sep 20254612 AMAQI
15th Sep 2025331 AMAQI
15th Sep 2025362 AMAQI
15th Sep 2025393 AMAQI
15th Sep 2025434 AMAQI
15th Sep 2025395 AMAQI
15th Sep 2025386 AMAQI

25°C22/30°C

15th Sep 2025447 AMAQI
15th Sep 2025638 AMAQI
15th Sep 2025629 AMAQI
15th Sep 20254810 AMAQI
15th Sep 20254411 AMAQI
15th Sep 20254012 PMAQI
15th Sep 2025461 PMAQI
15th Sep 2025452 PMAQI
15th Sep 2025423 PMAQI
15th Sep 2025404 PMAQI
15th Sep 2025435 PMAQI
15th Sep 2025416 PMAQI
15th Sep 2025427 PMAQI
15th Sep 2025418 PMAQI
15th Sep 2025449 PMAQI
15th Sep 20254410 PMAQI
15th Sep 20254011 PMAQI
16th Sep 20254512 AMAQI
16th Sep 2025521 AMAQI
16th Sep 2025472 AMAQI
16th Sep 2025543 AMAQI
16th Sep 2025544 AMAQI
16th Sep 2025505 AMAQI
16th Sep 2025486 AMAQI

24°C22/30°C

16th Sep 2025487 AMAQI
16th Sep 2025458 AMAQI
16th Sep 2025539 AMAQI
16th Sep 20255010 AMAQI
16th Sep 20255311 AMAQI
16th Sep 20255512 PMAQI
16th Sep 2025551 PMAQI
16th Sep 2025502 PMAQI
16th Sep 2025513 PMAQI
16th Sep 2025494 PMAQI
16th Sep 2025515 PMAQI
16th Sep 2025516 PMAQI
16th Sep 2025517 PMAQI
16th Sep 2025508 PMAQI
16th Sep 2025499 PMAQI
16th Sep 20255010 PMAQI
16th Sep 20254011 PMAQI
17th Sep 20254212 AMAQI
17th Sep 2025531 AMAQI
17th Sep 2025462 AMAQI
17th Sep 2025493 AMAQI
17th Sep 2025504 AMAQI
17th Sep 2025395 AMAQI
17th Sep 2025486 AMAQI

23°C19/29°C

17th Sep 2025527 AMAQI
17th Sep 2025548 AMAQI
17th Sep 2025569 AMAQI
17th Sep 20255810 AMAQI
17th Sep 20255911 AMAQI
17th Sep 20255612 PMAQI
17th Sep 2025561 PMAQI
17th Sep 2025522 PMAQI
17th Sep 2025523 PMAQI
17th Sep 2025524 PMAQI
17th Sep 2025525 PMAQI
17th Sep 2025516 PMAQI
17th Sep 2025537 PMAQI
17th Sep 2025528 PMAQI
17th Sep 2025509 PMAQI
17th Sep 20255010 PMAQI
17th Sep 20255211 PMAQI
18th Sep 20255212 AMAQI
18th Sep 2025331 AMAQI
18th Sep 2025372 AMAQI
18th Sep 2025343 AMAQI
18th Sep 2025334 AMAQI
18th Sep 2025415 AMAQI
18th Sep 2025446 AMAQI

24°C19/32°C

18th Sep 2025427 AMAQI
18th Sep 2025468 AMAQI
18th Sep 2025499 AMAQI
18th Sep 20256310 AMAQI
18th Sep 20255411 AMAQI
18th Sep 20255412 PMAQI
18th Sep 2025511 PMAQI
18th Sep 2025462 PMAQI
18th Sep 2025473 PMAQI
18th Sep 2025514 PMAQI
18th Sep 2025525 PMAQI
18th Sep 2025486 PMAQI
18th Sep 2025477 PMAQI
18th Sep 2025448 PMAQI
18th Sep 2025449 PMAQI
18th Sep 20254610 PMAQI
18th Sep 20254711 PMAQI
19th Sep 20254612 AMAQI
19th Sep 2025301 AMAQI
19th Sep 2025282 AMAQI
19th Sep 2025323 AMAQI
19th Sep 2025334 AMAQI
19th Sep 2025445 AMAQI
19th Sep 2025426 AMAQI

24°C20/29°C

19th Sep 2025407 AMAQI
19th Sep 2025378 AMAQI
19th Sep 2025389 AMAQI
19th Sep 20254410 AMAQI
19th Sep 20253811 AMAQI
19th Sep 20254012 PMAQI
19th Sep 2025411 PMAQI
19th Sep 2025392 PMAQI
19th Sep 2025383 PMAQI
19th Sep 2025404 PMAQI
19th Sep 2025435 PMAQI
19th Sep 2025386 PMAQI
19th Sep 2025367 PMAQI
19th Sep 2025368 PMAQI
19th Sep 2025379 PMAQI
19th Sep 20253810 PMAQI
19th Sep 20253911 PMAQI
20th Sep 20254112 AMAQI
20th Sep 2025481 AMAQI
20th Sep 2025462 AMAQI
20th Sep 2025443 AMAQI
20th Sep 2025364 AMAQI
20th Sep 2025405 AMAQI
20th Sep 2025466 AMAQI

25°C22/29°C

20th Sep 2025507 AMAQI
20th Sep 2025508 AMAQI
20th Sep 2025519 AMAQI
20th Sep 20255310 AMAQI
20th Sep 20255411 AMAQI
20th Sep 20254412 PMAQI
20th Sep 2025441 PMAQI
20th Sep 2025442 PMAQI
20th Sep 2025493 PMAQI
20th Sep 2025444 PMAQI
20th Sep 2025425 PMAQI
20th Sep 2025446 PMAQI
20th Sep 2025467 PMAQI
20th Sep 2025468 PMAQI
20th Sep 2025509 PMAQI
20th Sep 20254610 PMAQI
20th Sep 20254811 PMAQI
21st Sep 20254912 AMAQI
21st Sep 2025381 AMAQI
21st Sep 2025392 AMAQI
21st Sep 2025703 AMAQI
21st Sep 2025744 AMAQI
21st Sep 2025605 AMAQI
21st Sep 2025556 AMAQI

26°C23/32°C

21st Sep 2025547 AMAQI
21st Sep 2025538 AMAQI
21st Sep 2025539 AMAQI
21st Sep 20255410 AMAQI
21st Sep 20255711 AMAQI
21st Sep 20256012 PMAQI
21st Sep 2025571 PMAQI
21st Sep 2025552 PMAQI
21st Sep 2025543 PMAQI
21st Sep 2025534 PMAQI
21st Sep 2025545 PMAQI
21st Sep 2025556 PMAQI
21st Sep 2025537 PMAQI
21st Sep 2025548 PMAQI
21st Sep 2025539 PMAQI
21st Sep 20255410 PMAQI
21st Sep 20255411 PMAQI
22nd Sep 20255612 AMAQI
22nd Sep 2025301 AMAQI
22nd Sep 2025322 AMAQI
22nd Sep 2025283 AMAQI
22nd Sep 2025324 AMAQI
22nd Sep 2025335 AMAQI
22nd Sep 2025446 AMAQI

28°C22/36°C

22nd Sep 2025537 AMAQI
22nd Sep 2025538 AMAQI
22nd Sep 2025559 AMAQI
22nd Sep 20255410 AMAQI
22nd Sep 20255511 AMAQI
22nd Sep 20255412 PMAQI
22nd Sep 2025511 PMAQI
22nd Sep 2025462 PMAQI
22nd Sep 2025523 PMAQI
22nd Sep 2025464 PMAQI
22nd Sep 2025485 PMAQI
22nd Sep 2025476 PMAQI
22nd Sep 2025467 PMAQI
22nd Sep 2025428 PMAQI
22nd Sep 2025429 PMAQI
22nd Sep 20254410 PMAQI
22nd Sep 20254511 PMAQI
23rd Sep 20254412 AMAQI
23rd Sep 2025441 AMAQI
23rd Sep 2025522 AMAQI
23rd Sep 2025433 AMAQI
23rd Sep 2025504 AMAQI
23rd Sep 2025505 AMAQI
23rd Sep 2025526 AMAQI

29°C23/37°C

23rd Sep 2025537 AMAQI
23rd Sep 2025558 AMAQI
23rd Sep 2025579 AMAQI
23rd Sep 20255710 AMAQI
23rd Sep 20255711 AMAQI
23rd Sep 20255812 PMAQI
23rd Sep 2025561 PMAQI
23rd Sep 2025522 PMAQI
23rd Sep 2025523 PMAQI
23rd Sep 2025524 PMAQI
23rd Sep 2025525 PMAQI
23rd Sep 2025526 PMAQI
23rd Sep 2025527 PMAQI
23rd Sep 2025528 PMAQI
23rd Sep 2025529 PMAQI
23rd Sep 20255210 PMAQI
23rd Sep 20255211 PMAQI
24th Sep 20255312 AMAQI
24th Sep 2025571 AMAQI
24th Sep 2025592 AMAQI
24th Sep 2025663 AMAQI
24th Sep 2025634 AMAQI
24th Sep 2025625 AMAQI
24th Sep 2025616 AMAQI

29°C24/36°C

24th Sep 2025617 AMAQI
24th Sep 2025658 AMAQI
24th Sep 2025669 AMAQI
24th Sep 20256410 AMAQI
24th Sep 20256911 AMAQI
24th Sep 20256912 PMAQI
24th Sep 2025641 PMAQI
24th Sep 2025602 PMAQI
24th Sep 2025603 PMAQI
24th Sep 2025604 PMAQI
24th Sep 2025605 PMAQI
24th Sep 2025606 PMAQI
24th Sep 2025587 PMAQI
24th Sep 2025598 PMAQI
24th Sep 2025609 PMAQI
24th Sep 20256010 PMAQI
24th Sep 20258011 PMAQI
25th Sep 20256812 AMAQI
25th Sep 2025611 AMAQI
25th Sep 2025602 AMAQI
25th Sep 2025563 AMAQI
25th Sep 2025574 AMAQI
25th Sep 2025515 AMAQI
25th Sep 2025566 AMAQI

28°C24/35°C

25th Sep 2025497 AMAQI
25th Sep 2025358 AMAQI
25th Sep 2025349 AMAQI
25th Sep 20253510 AMAQI
25th Sep 20254011 AMAQI
25th Sep 20254112 PMAQI
25th Sep 2025451 PMAQI
25th Sep 2025432 PMAQI
25th Sep 2025403 PMAQI
25th Sep 2025424 PMAQI
25th Sep 2025415 PMAQI
25th Sep 2025326 PMAQI
25th Sep 2025307 PMAQI
25th Sep 2025408 PMAQI
25th Sep 2025539 PMAQI
25th Sep 20255010 PMAQI
25th Sep 20255211 PMAQI
26th Sep 20255212 AMAQI
26th Sep 2025531 AMAQI
26th Sep 2025582 AMAQI
26th Sep 2025573 AMAQI
26th Sep 2025564 AMAQI
26th Sep 2025615 AMAQI
26th Sep 2025766 AMAQI

28°C24/35°C

26th Sep 2025757 AMAQI
26th Sep 2025808 AMAQI
26th Sep 2025829 AMAQI
26th Sep 20258410 AMAQI
26th Sep 20257911 AMAQI
26th Sep 20257312 PMAQI
26th Sep 2025691 PMAQI
26th Sep 2025692 PMAQI
26th Sep 2025663 PMAQI
26th Sep 2025644 PMAQI
26th Sep 2025645 PMAQI
26th Sep 2025656 PMAQI
26th Sep 2025607 PMAQI
26th Sep 2025568 PMAQI
26th Sep 2025539 PMAQI
26th Sep 20255510 PMAQI
26th Sep 20255611 PMAQI
27th Sep 20256012 AMAQI
27th Sep 2025621 AMAQI
27th Sep 2025622 AMAQI
27th Sep 2025583 AMAQI
27th Sep 2025594 AMAQI
27th Sep 2025605 AMAQI
27th Sep 2025616 AMAQI

28°C22/37°C

27th Sep 2025627 AMAQI
27th Sep 2025648 AMAQI
27th Sep 2025669 AMAQI
27th Sep 20257410 AMAQI
27th Sep 20258011 AMAQI
27th Sep 20258212 PMAQI
27th Sep 2025821 PMAQI
27th Sep 2025782 PMAQI
27th Sep 2025723 PMAQI
27th Sep 2025754 PMAQI
27th Sep 2025735 PMAQI
27th Sep 2025746 PMAQI
27th Sep 2025737 PMAQI
27th Sep 2025718 PMAQI
27th Sep 2025689 PMAQI
27th Sep 20256810 PMAQI
27th Sep 20256111 PMAQI
28th Sep 20255612 AMAQI
28th Sep 2025531 AMAQI
28th Sep 2025532 AMAQI
28th Sep 2025503 AMAQI
28th Sep 2025454 AMAQI
28th Sep 2025445 AMAQI
28th Sep 2025446 AMAQI

28°C23/35°C

28th Sep 2025447 AMAQI
28th Sep 2025448 AMAQI
28th Sep 2025449 AMAQI
28th Sep 20254410 AMAQI
28th Sep 20254211 AMAQI
28th Sep 20254412 PMAQI
28th Sep 2025521 PMAQI
28th Sep 2025532 PMAQI
28th Sep 2025583 PMAQI
28th Sep 2025634 PMAQI
28th Sep 2025595 PMAQI
28th Sep 2025586 PMAQI
28th Sep 2025677 PMAQI
28th Sep 2025698 PMAQI
28th Sep 2025719 PMAQI
28th Sep 20257310 PMAQI
28th Sep 20256211 PMAQI
29th Sep 20256012 AMAQI
29th Sep 2025601 AMAQI
29th Sep 2025602 AMAQI
29th Sep 2025513 AMAQI
29th Sep 2025454 AMAQI
29th Sep 2025445 AMAQI
29th Sep 2025496 AMAQI

27°C21/34°C

29th Sep 2025507 AMAQI
29th Sep 2025588 AMAQI
29th Sep 2025579 AMAQI
29th Sep 20255710 AMAQI
29th Sep 20256111 AMAQI
29th Sep 20255012 PMAQI
29th Sep 2025551 PMAQI
29th Sep 2025582 PMAQI
29th Sep 2025583 PMAQI
29th Sep 2025604 PMAQI
29th Sep 2025625 PMAQI
29th Sep 2025566 PMAQI
29th Sep 2025587 PMAQI
29th Sep 2025578 PMAQI
29th Sep 2025589 PMAQI
29th Sep 20255910 PMAQI
29th Sep 20255511 PMAQI
30th Sep 20256312 AMAQI
30th Sep 2025591 AMAQI
30th Sep 2025602 AMAQI
30th Sep 2025593 AMAQI
30th Sep 2025594 AMAQI
30th Sep 2025625 AMAQI
30th Sep 2025666 AMAQI

27°C20/34°C

30th Sep 2025607 AMAQI
30th Sep 2025598 AMAQI
30th Sep 2025609 AMAQI
30th Sep 20256210 AMAQI
30th Sep 20256111 AMAQI
30th Sep 20255912 PMAQI
30th Sep 2025671 PMAQI
30th Sep 2025502 PMAQI
30th Sep 2025433 PMAQI
30th Sep 2025484 PMAQI
30th Sep 2025585 PMAQI
30th Sep 2025516 PMAQI
30th Sep 2025557 PMAQI
30th Sep 2025578 PMAQI
30th Sep 2025689 PMAQI
30th Sep 20258910 PMAQI
30th Sep 20259411 PMAQI
1st Oct 202510112 AMAQI
1st Oct 2025981 AMAQI
1st Oct 2025972 AMAQI
1st Oct 20251033 AMAQI
1st Oct 20251024 AMAQI
1st Oct 20251075 AMAQI
1st Oct 20251046 AMAQI

28°C21/35°C

1st Oct 2025687 AMAQI
1st Oct 2025628 AMAQI
1st Oct 2025709 AMAQI
1st Oct 20257710 AMAQI
1st Oct 20258211 AMAQI
1st Oct 20259312 PMAQI
1st Oct 2025771 PMAQI
1st Oct 2025922 PMAQI
1st Oct 2025793 PMAQI
1st Oct 2025714 PMAQI
1st Oct 2025685 PMAQI
1st Oct 2025696 PMAQI
1st Oct 2025717 PMAQI
1st Oct 2025758 PMAQI
1st Oct 2025829 PMAQI
1st Oct 20258410 PMAQI
1st Oct 20258411 PMAQI
2nd Oct 20257812 AMAQI
2nd Oct 2025811 AMAQI
2nd Oct 2025772 AMAQI
2nd Oct 2025673 AMAQI
2nd Oct 2025714 AMAQI
2nd Oct 2025705 AMAQI
2nd Oct 2025686 AMAQI

28°C21/36°C

2nd Oct 2025677 AMAQI
7 AM
2nd Oct 2025678 AMAQI
2nd Oct 2025729 AMAQI
2nd Oct 20258010 AMAQI
2nd Oct 20258211 AMAQI
2nd Oct 20257912 PMAQI
2nd Oct 2025741 PMAQI
1 PM
2nd Oct 2025682 PMAQI
2nd Oct 2025713 PMAQI
2nd Oct 2025704 PMAQI
2nd Oct 2025665 PMAQI
7 PM
1 AM
6 AM

--°C/°C

Day time
Avg. Highest Time
9 AM - 1 PM

53AQI

5 hours / Day
150 hours / Month
Avg. Lowest Time
6 PM - 7 PM

47AQI

2 hours / Day
60 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 9 AM to 1 PM (Avg. 53), while the lowest AQI was between 6 PM to 7 PM (Avg. 47).
Night time
Avg. Highest Time
10 PM - 11 PM

52AQI

2 hours / Day
60 hours / Month
Avg. Lowest Time
5 AM - 8 PM

48AQI

3 hours / Day
90 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 10 PM to 11 PM (Avg. 52), while the lowest AQI was between 5 AM to 8 PM (Avg. 48).

2025 Days Vs Air Quality

St Nicolas, San Nicolas De Los Garza, Nuevo Leon, Mexico

2025

30%

83

66%

181

4%

10

Total number of days with different AQI categories in last 275 days in 2025 (90 days remaining)

Good
83 Days
Moderate
181 Days
Poor
10 Days
Unhealthy
0 Days
Severe
0 Days
Hazardous
0 Days

Under WHO’s Safe Air Quality Limits: 30%

Health Risk Level:

High

In 2025, 30% of 275 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

St Nicolas, San Nicolas De Los Garza, 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
125AQI
2nd January 2025
85AQI
3rd January 2025
119AQI
4th January 2025
84AQI
5th January 2025
94AQI
6th January 2025
46AQI
7th January 2025
46AQI
8th January 2025
47AQI
9th January 2025
60AQI
10th January 2025
52AQI
11th January 2025
67AQI
12th January 2025
81AQI
13th January 2025
46AQI
14th January 2025
63AQI
15th January 2025
49AQI
16th January 2025
51AQI
17th January 2025
47AQI
18th January 2025
50AQI
19th January 2025
51AQI
20th January 2025
50AQI
21st January 2025
50AQI
22nd January 2025
71AQI
23rd January 2025
71AQI
24th January 2025
68AQI
25th January 2025
88AQI
26th January 2025
95AQI
27th January 2025
64AQI
28th January 2025
63AQI
29th January 2025
95AQI
30th January 2025
92AQI
31st January 2025
75AQI
1st February 2025
114AQI
2nd February 2025
100AQI
3rd February 2025
97AQI
4th February 2025
79AQI
5th February 2025
78AQI
6th February 2025
86AQI
7th February 2025
98AQI
8th February 2025
102AQI
9th February 2025
101AQI
10th February 2025
80AQI
11th February 2025
84AQI
12th February 2025
92AQI
13th February 2025
58AQI
14th February 2025
75AQI
15th February 2025
111AQI
16th February 2025
70AQI
17th February 2025
59AQI
18th February 2025
97AQI
19th February 2025
68AQI
20th February 2025
53AQI
21st February 2025
72AQI
22nd February 2025
74AQI
23rd February 2025
77AQI
24th February 2025
81AQI
25th February 2025
83AQI
26th February 2025
81AQI
27th February 2025
72AQI
28th February 2025
65AQI
1st March 2025
99AQI
2nd March 2025
64AQI
3rd March 2025
79AQI
4th March 2025
89AQI
5th March 2025
110AQI
6th March 2025
114AQI
7th March 2025
103AQI
8th March 2025
91AQI
9th March 2025
51AQI
10th March 2025
50AQI
11th March 2025
76AQI
12th March 2025
67AQI
13th March 2025
65AQI
14th March 2025
70AQI
15th March 2025
89AQI
16th March 2025
93AQI
17th March 2025
76AQI
18th March 2025
68AQI
19th March 2025
146AQI
20th March 2025
81AQI
21st March 2025
64AQI
22nd March 2025
69AQI
23rd March 2025
78AQI
24th March 2025
73AQI
25th March 2025
65AQI
26th March 2025
64AQI
27th March 2025
51AQI
28th March 2025
55AQI
29th March 2025
56AQI
30th March 2025
63AQI
31st March 2025
63AQI
1st April 2025
72AQI
2nd April 2025
80AQI
3rd April 2025
73AQI
4th April 2025
74AQI
5th April 2025
59AQI
6th April 2025
37AQI
7th April 2025
48AQI
8th April 2025
61AQI
9th April 2025
56AQI
10th April 2025
66AQI
11th April 2025
58AQI
12th April 2025
55AQI
13th April 2025
61AQI
14th April 2025
60AQI
15th April 2025
63AQI
16th April 2025
60AQI
17th April 2025
64AQI
18th April 2025
68AQI
19th April 2025
82AQI
20th April 2025
67AQI
21st April 2025
64AQI
22nd April 2025
65AQI
23rd April 2025
75AQI
24th April 2025
67AQI
25th April 2025
75AQI
26th April 2025
75AQI
27th April 2025
67AQI
28th April 2025
68AQI
29th April 2025
64AQI
30th April 2025
64AQI
1st May 2025
70AQI
2nd May 2025
68AQI
3rd May 2025
41AQI
4th May 2025
46AQI
5th May 2025
58AQI
6th May 2025
70AQI
7th May 2025
61AQI
8th May 2025
58AQI
9th May 2025
42AQI
10th May 2025
56AQI
11th May 2025
61AQI
12th May 2025
59AQI
13th May 2025
69AQI
14th May 2025
77AQI
15th May 2025
84AQI
16th May 2025
92AQI
17th May 2025
93AQI
18th May 2025
84AQI
19th May 2025
79AQI
20th May 2025
80AQI
21st May 2025
81AQI
22nd May 2025
58AQI
23rd May 2025
64AQI
24th May 2025
70AQI
25th May 2025
58AQI
26th May 2025
66AQI
27th May 2025
74AQI
28th May 2025
67AQI
29th May 2025
57AQI
30th May 2025
57AQI
31st May 2025
60AQI
1st June 2025
58AQI
2nd June 2025
62AQI
3rd June 2025
70AQI
4th June 2025
68AQI
5th June 2025
57AQI
6th June 2025
54AQI
7th June 2025
60AQI
8th June 2025
64AQI
9th June 2025
62AQI
10th June 2025
67AQI
11th June 2025
53AQI
12th June 2025
60AQI
13th June 2025
56AQI
14th June 2025
66AQI
15th June 2025
61AQI
16th June 2025
55AQI
17th June 2025
51AQI
18th June 2025
47AQI
19th June 2025
50AQI
20th June 2025
56AQI
21st June 2025
32AQI
22nd June 2025
29AQI
23rd June 2025
37AQI
24th June 2025
35AQI
25th June 2025
41AQI
26th June 2025
47AQI
27th June 2025
38AQI
28th June 2025
37AQI
29th June 2025
40AQI
30th June 2025
29AQI
1st July 2025
31AQI
2nd July 2025
34AQI
3rd July 2025
46AQI
4th July 2025
57AQI
5th July 2025
68AQI
6th July 2025
66AQI
7th July 2025
57AQI
8th July 2025
56AQI
9th July 2025
50AQI
10th July 2025
55AQI
11th July 2025
56AQI
12th July 2025
56AQI
13th July 2025
54AQI
14th July 2025
54AQI
15th July 2025
57AQI
16th July 2025
54AQI
17th July 2025
74AQI
18th July 2025
72AQI
19th July 2025
63AQI
20th July 2025
57AQI
21st July 2025
57AQI
22nd July 2025
57AQI
23rd July 2025
60AQI
24th July 2025
50AQI
25th July 2025
47AQI
26th July 2025
53AQI
27th July 2025
55AQI
28th July 2025
51AQI
29th July 2025
54AQI
30th July 2025
56AQI
31st July 2025
44AQI
1st August 2025
40AQI
2nd August 2025
42AQI
3rd August 2025
37AQI
4th August 2025
36AQI
5th August 2025
41AQI
6th August 2025
37AQI
7th August 2025
38AQI
8th August 2025
38AQI
9th August 2025
45AQI
10th August 2025
41AQI
11th August 2025
40AQI
12th August 2025
37AQI
13th August 2025
47AQI
14th August 2025
62AQI
15th August 2025
39AQI
16th August 2025
47AQI
17th August 2025
50AQI
18th August 2025
31AQI
19th August 2025
32AQI
20th August 2025
38AQI
21st August 2025
43AQI
22nd August 2025
49AQI
23rd August 2025
41AQI
24th August 2025
41AQI
25th August 2025
46AQI
26th August 2025
44AQI
27th August 2025
47AQI
28th August 2025
39AQI
29th August 2025
40AQI
30th August 2025
39AQI
31st August 2025
42AQI
1st September 2025
39AQI
2nd September 2025
37AQI
3rd September 2025
42AQI
4th September 2025
50AQI
5th September 2025
40AQI
6th September 2025
55AQI
7th September 2025
39AQI
8th September 2025
51AQI
9th September 2025
44AQI
10th September 2025
48AQI
11th September 2025
34AQI
12th September 2025
36AQI
13th September 2025
40AQI
14th September 2025
47AQI
15th September 2025
43AQI
16th September 2025
50AQI
17th September 2025
51AQI
18th September 2025
45AQI
19th September 2025
37AQI
20th September 2025
46AQI
21st September 2025
55AQI
22nd September 2025
44AQI
23rd September 2025
51AQI
24th September 2025
63AQI
25th September 2025
48AQI
26th September 2025
63AQI
27th September 2025
68AQI
28th September 2025
54AQI
29th September 2025
56AQI
30th September 2025
61AQI
1st October 2025
88AQI
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

69AQI

82AQI

77AQI

65AQI

66AQI

51AQI

55AQI

42AQI

48AQI

88AQI

No. of days

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

202562AQI

9
20
2
24
4
1
26
4
2
28
3
28
12
18
7
24
30
1
19
11
1
83
181
10

Highest AQI recorded in

October

88AQI

Lowest AQI recorded in

August

42AQI

202464AQI

11
4
1
4
21
4
1
10
1
5
19
2
2
19
7
12
18
28
3
17
13
14
16
10
21
11
17
2
3
26
2
107
194
22
1

Highest AQI recorded in

January

93AQI

Lowest AQI recorded in

July

44AQI

202365AQI

1
21
5
1
3
21
2
4
24
3
4
24
2
9
22
7
8
6
12
19
10
20
13
17
14
15
2
8
19
2
4
19
8
89
229
30
1

Highest AQI recorded in

December

82AQI

Lowest AQI recorded in

September

51AQI

202274AQI

4
16
10
1
20
1
2
21
6
1
2
24
4
2
17
10
2
25
3
24
2
10
20
31
12
14
4
9
6
35
223
44
1

Highest AQI recorded in

December

95AQI

Lowest AQI recorded in

September

56AQI

202168AQI

5
23
2
8
18
2
10
20
1
5
19
6
7
20
3
20
10
21
6
23
11
19
7
23
4
24
1
1
14
15
77
244
27

Highest AQI recorded in

December

99AQI

Lowest AQI recorded in

September

56AQI

202065AQI

1
9
3
17
2
15
2
7
10
6
22
13
18
12
17
1
4
25
2
7
23
1
24
6
56
180
11

Highest AQI recorded in

December

83AQI

Lowest AQI recorded in

June

51AQI

Most & Least Polluted Years Over the Last 6 Years

Most Polluted Year Recorded
2022(Avg.)
74AQI
Least Polluted Year Recorded
2025(Avg.)
62AQI

St Nicolas's annual 2025 AQI (62) shows an average percentage change of -8.05% (improved AQI) compared to previous years: 2020 (65), 2021 (68), 2022 (74), 2023 (65), 2024 (64).