Piedras Negras, Coahuila De Zaragoza, 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+
July Air Quality Analysis
Piedras Negras, Coahuila De Zaragoza, Mexico
2021
2022
2023
2024
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
5th Jul 2021
187AQILowest AQI recorded on
19th Jul 2021
9AQISame Day Analysis (30th July ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 2nd highest AQI at 48 of Good air quality, showing improvement over 2021 on the same day.
Download 2024 Annual Data
World Air Quality Report
Day & Night AQI Trend: 30th Jul - 31st Jul 2025
Piedras Negras, Coahuila De Zaragoza, Mexico
AQI
Day
Night
.
6 AM30th Jul 2025
8 PM
5 AM31st Jul 2025
Day time
Avg. Highest Time
11AM30th Jul
56AQI
Avg. Lowest Time
7AM30th Jul
44AQI
Night time
Avg. Highest Time
9PM30th Jul
48AQI
Avg. Lowest Time
5AM31st Jul
42AQI
In the last 24 hours,
Piedras Negras's AQI reached its highest point of 56 at 11 AM during the Day, while the lowest point, 42, was recorded at 5 AM during the Night between 30th Jul and 31st Jul 2025.
Day & Night AQI Trend : Jul 2025
Piedras Negras, Coahuila De Zaragoza, Mexico
Jul
01st - 02nd02nd - 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 - 31st31st
Day
Night
1st Jul 2025326 AMAQI
1st Jul 2025297 AMAQI
1st Jul 2025288 AMAQI
1st Jul 2025309 AMAQI
1st Jul 20253010 AMAQI
1st Jul 20253111 AMAQI
1st Jul 20253412 PMAQI
1st Jul 2025351 PMAQI
1st Jul 2025342 PMAQI
1st Jul 2025353 PMAQI
1st Jul 2025354 PMAQI
1st Jul 2025375 PMAQI
1st Jul 2025346 PMAQI
1st Jul 2025337 PMAQI
1st Jul 2025318 PMAQI
1st Jul 2025319 PMAQI
1st Jul 20253410 PMAQI
1st Jul 20253611 PMAQI
2nd Jul 20253812 AMAQI
2nd Jul 2025361 AMAQI
2nd Jul 2025362 AMAQI
2nd Jul 2025373 AMAQI
2nd Jul 2025374 AMAQI
2nd Jul 2025405 AMAQI
25°C23/32°C
2nd Jul 2025396 AMAQI
2nd Jul 2025397 AMAQI
2nd Jul 2025398 AMAQI
2nd Jul 2025399 AMAQI
2nd Jul 20253910 AMAQI
2nd Jul 20253011 AMAQI
2nd Jul 20252712 PMAQI
2nd Jul 2025311 PMAQI
2nd Jul 2025332 PMAQI
2nd Jul 2025333 PMAQI
2nd Jul 2025334 PMAQI
2nd Jul 2025335 PMAQI
2nd Jul 2025366 PMAQI
2nd Jul 2025387 PMAQI
2nd Jul 2025378 PMAQI
2nd Jul 2025379 PMAQI
2nd Jul 20253710 PMAQI
2nd Jul 20253711 PMAQI
3rd Jul 20253712 AMAQI
3rd Jul 2025371 AMAQI
3rd Jul 2025372 AMAQI
3rd Jul 2025413 AMAQI
3rd Jul 2025394 AMAQI
3rd Jul 2025425 AMAQI
25°C23/29°C
3rd Jul 2025476 AMAQI
3rd Jul 2025537 AMAQI
3rd Jul 2025518 AMAQI
3rd Jul 2025529 AMAQI
3rd Jul 20254610 AMAQI
3rd Jul 20254611 AMAQI
3rd Jul 20254712 PMAQI
3rd Jul 2025441 PMAQI
3rd Jul 2025462 PMAQI
3rd Jul 2025423 PMAQI
3rd Jul 2025434 PMAQI
3rd Jul 2025435 PMAQI
3rd Jul 2025446 PMAQI
3rd Jul 2025427 PMAQI
3rd Jul 2025428 PMAQI
3rd Jul 2025469 PMAQI
3rd Jul 20254310 PMAQI
3rd Jul 20254411 PMAQI
4th Jul 20254512 AMAQI
4th Jul 2025501 AMAQI
4th Jul 2025452 AMAQI
4th Jul 2025443 AMAQI
4th Jul 2025494 AMAQI
4th Jul 2025505 AMAQI
26°C25/28°C
4th Jul 2025506 AMAQI
4th Jul 2025507 AMAQI
4th Jul 2025518 AMAQI
4th Jul 2025499 AMAQI
4th Jul 20255210 AMAQI
4th Jul 20255211 AMAQI
4th Jul 20255312 PMAQI
4th Jul 2025521 PMAQI
4th Jul 2025512 PMAQI
4th Jul 2025513 PMAQI
4th Jul 2025514 PMAQI
4th Jul 2025485 PMAQI
4th Jul 2025486 PMAQI
4th Jul 2025467 PMAQI
4th Jul 2025488 PMAQI
4th Jul 2025499 PMAQI
4th Jul 20255110 PMAQI
4th Jul 20255711 PMAQI
5th Jul 20256012 AMAQI
5th Jul 2025701 AMAQI
5th Jul 2025692 AMAQI
5th Jul 2025683 AMAQI
5th Jul 2025624 AMAQI
5th Jul 2025655 AMAQI
28°C24/35°C
5th Jul 2025636 AMAQI
5th Jul 2025627 AMAQI
5th Jul 2025618 AMAQI
5th Jul 2025619 AMAQI
5th Jul 20256210 AMAQI
5th Jul 20256411 AMAQI
5th Jul 20256412 PMAQI
5th Jul 2025611 PMAQI
5th Jul 2025592 PMAQI
5th Jul 2025583 PMAQI
5th Jul 2025594 PMAQI
5th Jul 2025595 PMAQI
5th Jul 2025626 PMAQI
5th Jul 2025627 PMAQI
5th Jul 2025608 PMAQI
5th Jul 2025609 PMAQI
5th Jul 20256010 PMAQI
5th Jul 20256011 PMAQI
6th Jul 20256112 AMAQI
6th Jul 2025641 AMAQI
6th Jul 2025632 AMAQI
6th Jul 2025613 AMAQI
6th Jul 2025604 AMAQI
6th Jul 2025625 AMAQI
32°C25/41°C
6th Jul 2025626 AMAQI
6th Jul 2025627 AMAQI
6th Jul 2025648 AMAQI
6th Jul 2025639 AMAQI
6th Jul 20256410 AMAQI
6th Jul 20256411 AMAQI
6th Jul 20256412 PMAQI
6th Jul 2025641 PMAQI
6th Jul 2025622 PMAQI
6th Jul 2025643 PMAQI
6th Jul 2025634 PMAQI
6th Jul 2025625 PMAQI
6th Jul 2025606 PMAQI
6th Jul 2025607 PMAQI
6th Jul 2025608 PMAQI
6th Jul 2025589 PMAQI
6th Jul 20255810 PMAQI
6th Jul 20255711 PMAQI
7th Jul 20255812 AMAQI
7th Jul 2025561 AMAQI
7th Jul 2025552 AMAQI
7th Jul 2025523 AMAQI
7th Jul 2025524 AMAQI
7th Jul 2025515 AMAQI
29°C26/34°C
7th Jul 2025536 AMAQI
7th Jul 2025547 AMAQI
7th Jul 2025558 AMAQI
7th Jul 2025549 AMAQI
7th Jul 20255710 AMAQI
7th Jul 20255811 AMAQI
7th Jul 20255812 PMAQI
7th Jul 2025571 PMAQI
7th Jul 2025572 PMAQI
7th Jul 2025583 PMAQI
7th Jul 2025564 PMAQI
7th Jul 2025565 PMAQI
7th Jul 2025546 PMAQI
7th Jul 2025547 PMAQI
7th Jul 2025568 PMAQI
7th Jul 2025559 PMAQI
7th Jul 20255410 PMAQI
7th Jul 20255411 PMAQI
8th Jul 20255412 AMAQI
8th Jul 2025511 AMAQI
8th Jul 2025452 AMAQI
8th Jul 2025493 AMAQI
8th Jul 2025484 AMAQI
8th Jul 2025525 AMAQI
28°C25/33°C
8th Jul 2025526 AMAQI
8th Jul 2025507 AMAQI
8th Jul 2025488 AMAQI
8th Jul 2025459 AMAQI
8th Jul 20255210 AMAQI
8th Jul 20255211 AMAQI
8th Jul 20255112 PMAQI
8th Jul 2025521 PMAQI
8th Jul 2025542 PMAQI
8th Jul 2025543 PMAQI
8th Jul 2025554 PMAQI
8th Jul 2025545 PMAQI
8th Jul 2025506 PMAQI
8th Jul 2025497 PMAQI
8th Jul 2025498 PMAQI
8th Jul 2025499 PMAQI
8th Jul 20254610 PMAQI
8th Jul 20254411 PMAQI
9th Jul 20254512 AMAQI
9th Jul 2025411 AMAQI
9th Jul 2025322 AMAQI
9th Jul 2025343 AMAQI
9th Jul 2025344 AMAQI
9th Jul 2025335 AMAQI
31°C24/38°C
9th Jul 2025336 AMAQI
9th Jul 2025377 AMAQI
9th Jul 2025348 AMAQI
9th Jul 2025389 AMAQI
9th Jul 20254410 AMAQI
9th Jul 20254011 AMAQI
9th Jul 20253812 PMAQI
9th Jul 2025431 PMAQI
9th Jul 2025422 PMAQI
9th Jul 2025443 PMAQI
9th Jul 2025444 PMAQI
9th Jul 2025425 PMAQI
9th Jul 2025396 PMAQI
9th Jul 2025357 PMAQI
9th Jul 2025388 PMAQI
9th Jul 2025389 PMAQI
9th Jul 20253910 PMAQI
9th Jul 20254111 PMAQI
10th Jul 20254312 AMAQI
10th Jul 2025461 AMAQI
10th Jul 2025502 AMAQI
10th Jul 2025513 AMAQI
10th Jul 2025484 AMAQI
10th Jul 2025525 AMAQI
30°C24/38°C
10th Jul 2025526 AMAQI
10th Jul 2025527 AMAQI
10th Jul 2025518 AMAQI
10th Jul 2025499 AMAQI
10th Jul 20255510 AMAQI
10th Jul 20255311 AMAQI
10th Jul 20255512 PMAQI
10th Jul 2025541 PMAQI
10th Jul 2025532 PMAQI
10th Jul 2025533 PMAQI
10th Jul 2025534 PMAQI
10th Jul 2025535 PMAQI
10th Jul 2025526 PMAQI
10th Jul 2025527 PMAQI
10th Jul 2025528 PMAQI
10th Jul 2025509 PMAQI
10th Jul 20254910 PMAQI
10th Jul 20255011 PMAQI
11th Jul 20255112 AMAQI
11th Jul 2025501 AMAQI
11th Jul 2025512 AMAQI
11th Jul 2025513 AMAQI
11th Jul 2025524 AMAQI
11th Jul 2025525 AMAQI
31°C24/39°C
11th Jul 2025526 AMAQI
11th Jul 2025507 AMAQI
11th Jul 2025518 AMAQI
11th Jul 2025529 AMAQI
11th Jul 20255510 AMAQI
11th Jul 20255411 AMAQI
11th Jul 20255512 PMAQI
11th Jul 2025531 PMAQI
11th Jul 2025522 PMAQI
11th Jul 2025513 PMAQI
11th Jul 2025524 PMAQI
11th Jul 2025535 PMAQI
11th Jul 2025516 PMAQI
11th Jul 2025507 PMAQI
11th Jul 2025518 PMAQI
11th Jul 2025489 PMAQI
11th Jul 20255010 PMAQI
11th Jul 20254811 PMAQI
12th Jul 20255112 AMAQI
12th Jul 2025511 AMAQI
12th Jul 2025512 AMAQI
12th Jul 2025423 AMAQI
12th Jul 2025484 AMAQI
12th Jul 2025475 AMAQI
31°C26/39°C
12th Jul 2025486 AMAQI
12th Jul 2025467 AMAQI
12th Jul 2025438 AMAQI
12th Jul 2025449 AMAQI
12th Jul 20254410 AMAQI
12th Jul 20255011 AMAQI
12th Jul 20255212 PMAQI
12th Jul 2025511 PMAQI
12th Jul 2025502 PMAQI
12th Jul 2025503 PMAQI
12th Jul 2025514 PMAQI
12th Jul 2025505 PMAQI
12th Jul 2025496 PMAQI
12th Jul 2025477 PMAQI
12th Jul 2025468 PMAQI
12th Jul 2025479 PMAQI
12th Jul 20255010 PMAQI
12th Jul 20254811 PMAQI
13th Jul 20254612 AMAQI
13th Jul 2025441 AMAQI
13th Jul 2025382 AMAQI
13th Jul 2025333 AMAQI
13th Jul 2025354 AMAQI
13th Jul 2025385 AMAQI
31°C26/38°C
13th Jul 2025376 AMAQI
13th Jul 2025397 AMAQI
13th Jul 2025428 AMAQI
13th Jul 2025439 AMAQI
13th Jul 20254210 AMAQI
13th Jul 20254711 AMAQI
13th Jul 20255012 PMAQI
13th Jul 2025501 PMAQI
13th Jul 2025462 PMAQI
13th Jul 2025443 PMAQI
13th Jul 2025464 PMAQI
13th Jul 2025445 PMAQI
13th Jul 2025426 PMAQI
13th Jul 2025387 PMAQI
13th Jul 2025398 PMAQI
13th Jul 2025429 PMAQI
13th Jul 20254010 PMAQI
13th Jul 20253611 PMAQI
14th Jul 20254012 AMAQI
14th Jul 2025451 AMAQI
14th Jul 2025462 AMAQI
14th Jul 2025443 AMAQI
14th Jul 2025314 AMAQI
14th Jul 2025375 AMAQI
31°C27/36°C
14th Jul 2025346 AMAQI
14th Jul 2025367 AMAQI
14th Jul 2025388 AMAQI
14th Jul 2025449 AMAQI
14th Jul 20254710 AMAQI
14th Jul 20253711 AMAQI
14th Jul 20253512 PMAQI
14th Jul 2025361 PMAQI
14th Jul 2025412 PMAQI
14th Jul 2025443 PMAQI
14th Jul 2025364 PMAQI
14th Jul 2025355 PMAQI
14th Jul 2025366 PMAQI
14th Jul 2025347 PMAQI
14th Jul 2025338 PMAQI
14th Jul 2025339 PMAQI
14th Jul 20253610 PMAQI
14th Jul 20253711 PMAQI
15th Jul 20253512 AMAQI
15th Jul 2025341 AMAQI
15th Jul 2025322 AMAQI
15th Jul 2025303 AMAQI
15th Jul 2025344 AMAQI
15th Jul 2025365 AMAQI
25°C23/25°C
15th Jul 2025386 AMAQI
15th Jul 2025407 AMAQI
15th Jul 2025418 AMAQI
15th Jul 2025389 AMAQI
15th Jul 20254610 AMAQI
15th Jul 20254611 AMAQI
15th Jul 20255312 PMAQI
15th Jul 2025521 PMAQI
15th Jul 2025502 PMAQI
15th Jul 2025493 PMAQI
15th Jul 2025484 PMAQI
15th Jul 2025465 PMAQI
15th Jul 2025406 PMAQI
15th Jul 2025397 PMAQI
15th Jul 2025388 PMAQI
15th Jul 2025409 PMAQI
15th Jul 20254610 PMAQI
15th Jul 20254711 PMAQI
16th Jul 20254912 AMAQI
16th Jul 2025491 AMAQI
16th Jul 2025512 AMAQI
16th Jul 2025473 AMAQI
16th Jul 2025524 AMAQI
16th Jul 2025525 AMAQI
28°C25/32°C
16th Jul 2025516 AMAQI
16th Jul 2025537 AMAQI
16th Jul 2025568 AMAQI
16th Jul 2025569 AMAQI
16th Jul 20255910 AMAQI
16th Jul 20256511 AMAQI
16th Jul 20256612 PMAQI
16th Jul 2025651 PMAQI
16th Jul 2025632 PMAQI
16th Jul 2025613 PMAQI
16th Jul 2025584 PMAQI
16th Jul 2025585 PMAQI
16th Jul 2025586 PMAQI
16th Jul 2025547 PMAQI
16th Jul 2025548 PMAQI
16th Jul 2025559 PMAQI
16th Jul 20255510 PMAQI
16th Jul 20255511 PMAQI
17th Jul 20255512 AMAQI
17th Jul 2025581 AMAQI
17th Jul 2025622 AMAQI
17th Jul 2025623 AMAQI
17th Jul 2025634 AMAQI
17th Jul 2025655 AMAQI
30°C24/38°C
17th Jul 2025656 AMAQI
17th Jul 2025637 AMAQI
17th Jul 2025648 AMAQI
17th Jul 2025639 AMAQI
17th Jul 20257210 AMAQI
17th Jul 20256611 AMAQI
17th Jul 20256712 PMAQI
17th Jul 2025681 PMAQI
17th Jul 2025652 PMAQI
17th Jul 2025653 PMAQI
17th Jul 2025664 PMAQI
17th Jul 2025665 PMAQI
17th Jul 2025626 PMAQI
17th Jul 2025627 PMAQI
17th Jul 2025618 PMAQI
17th Jul 2025609 PMAQI
17th Jul 20255910 PMAQI
17th Jul 20255711 PMAQI
18th Jul 20255612 AMAQI
18th Jul 2025581 AMAQI
18th Jul 2025522 AMAQI
18th Jul 2025513 AMAQI
18th Jul 2025474 AMAQI
18th Jul 2025475 AMAQI
31°C25/39°C
18th Jul 2025476 AMAQI
18th Jul 2025477 AMAQI
18th Jul 2025478 AMAQI
18th Jul 2025489 AMAQI
18th Jul 20255110 AMAQI
18th Jul 20255111 AMAQI
18th Jul 20255312 PMAQI
18th Jul 2025541 PMAQI
18th Jul 2025542 PMAQI
18th Jul 2025533 PMAQI
18th Jul 2025544 PMAQI
18th Jul 2025545 PMAQI
18th Jul 2025536 PMAQI
18th Jul 2025537 PMAQI
18th Jul 2025538 PMAQI
18th Jul 2025529 PMAQI
18th Jul 20254910 PMAQI
18th Jul 20254611 PMAQI
19th Jul 20254712 AMAQI
19th Jul 2025441 AMAQI
19th Jul 2025342 AMAQI
19th Jul 2025313 AMAQI
19th Jul 2025454 AMAQI
19th Jul 2025485 AMAQI
31°C24/40°C
19th Jul 2025526 AMAQI
19th Jul 2025517 AMAQI
19th Jul 2025518 AMAQI
19th Jul 2025529 AMAQI
19th Jul 20255610 AMAQI
19th Jul 20255811 AMAQI
19th Jul 20255712 PMAQI
19th Jul 2025591 PMAQI
19th Jul 2025542 PMAQI
19th Jul 2025523 PMAQI
19th Jul 2025524 PMAQI
19th Jul 2025485 PMAQI
19th Jul 2025506 PMAQI
19th Jul 2025477 PMAQI
19th Jul 2025448 PMAQI
19th Jul 2025469 PMAQI
19th Jul 20254510 PMAQI
19th Jul 20254311 PMAQI
20th Jul 20254512 AMAQI
20th Jul 2025441 AMAQI
20th Jul 2025462 AMAQI
20th Jul 2025393 AMAQI
20th Jul 2025394 AMAQI
20th Jul 2025465 AMAQI
32°C23/40°C
20th Jul 2025446 AMAQI
20th Jul 2025467 AMAQI
20th Jul 2025428 AMAQI
20th Jul 2025439 AMAQI
20th Jul 20253810 AMAQI
20th Jul 20254511 AMAQI
20th Jul 20254612 PMAQI
20th Jul 2025481 PMAQI
20th Jul 2025462 PMAQI
20th Jul 2025463 PMAQI
20th Jul 2025454 PMAQI
20th Jul 2025465 PMAQI
20th Jul 2025446 PMAQI
20th Jul 2025437 PMAQI
20th Jul 2025438 PMAQI
20th Jul 2025439 PMAQI
20th Jul 20254310 PMAQI
20th Jul 20254511 PMAQI
21st Jul 20254612 AMAQI
21st Jul 2025491 AMAQI
21st Jul 2025522 AMAQI
21st Jul 2025503 AMAQI
21st Jul 2025484 AMAQI
21st Jul 2025475 AMAQI
32°C25/38°C
21st Jul 2025486 AMAQI
21st Jul 2025497 AMAQI
21st Jul 2025508 AMAQI
21st Jul 2025519 AMAQI
21st Jul 20255210 AMAQI
21st Jul 20255111 AMAQI
21st Jul 20255212 PMAQI
21st Jul 2025531 PMAQI
21st Jul 2025532 PMAQI
21st Jul 2025543 PMAQI
21st Jul 2025544 PMAQI
21st Jul 2025545 PMAQI
21st Jul 2025526 PMAQI
21st Jul 2025527 PMAQI
21st Jul 2025538 PMAQI
21st Jul 2025539 PMAQI
21st Jul 20255310 PMAQI
21st Jul 20255211 PMAQI
22nd Jul 20255212 AMAQI
22nd Jul 2025501 AMAQI
22nd Jul 2025522 AMAQI
22nd Jul 2025483 AMAQI
22nd Jul 2025484 AMAQI
22nd Jul 2025445 AMAQI
31°C25/39°C
22nd Jul 2025466 AMAQI
22nd Jul 2025457 AMAQI
22nd Jul 2025478 AMAQI
22nd Jul 2025469 AMAQI
22nd Jul 20254410 AMAQI
22nd Jul 20254911 AMAQI
22nd Jul 20254812 PMAQI
22nd Jul 2025491 PMAQI
22nd Jul 2025502 PMAQI
22nd Jul 2025493 PMAQI
22nd Jul 2025524 PMAQI
22nd Jul 2025525 PMAQI
22nd Jul 2025516 PMAQI
22nd Jul 2025507 PMAQI
22nd Jul 2025508 PMAQI
22nd Jul 2025499 PMAQI
22nd Jul 20254910 PMAQI
22nd Jul 20254411 PMAQI
23rd Jul 20254512 AMAQI
23rd Jul 2025451 AMAQI
23rd Jul 2025482 AMAQI
23rd Jul 2025493 AMAQI
23rd Jul 2025344 AMAQI
23rd Jul 2025345 AMAQI
31°C25/39°C
23rd Jul 2025366 AMAQI
23rd Jul 2025357 AMAQI
23rd Jul 2025368 AMAQI
23rd Jul 2025389 AMAQI
23rd Jul 20254010 AMAQI
23rd Jul 20254011 AMAQI
23rd Jul 20254512 PMAQI
23rd Jul 2025501 PMAQI
23rd Jul 2025442 PMAQI
23rd Jul 2025463 PMAQI
23rd Jul 2025484 PMAQI
23rd Jul 2025505 PMAQI
23rd Jul 2025456 PMAQI
23rd Jul 2025447 PMAQI
23rd Jul 2025428 PMAQI
23rd Jul 2025429 PMAQI
23rd Jul 20253910 PMAQI
23rd Jul 20253811 PMAQI
24th Jul 20253912 AMAQI
24th Jul 2025311 AMAQI
24th Jul 2025242 AMAQI
24th Jul 2025253 AMAQI
24th Jul 2025264 AMAQI
24th Jul 2025225 AMAQI
31°C24/40°C
24th Jul 2025266 AMAQI
24th Jul 2025277 AMAQI
24th Jul 2025288 AMAQI
24th Jul 2025269 AMAQI
24th Jul 20253210 AMAQI
24th Jul 20253011 AMAQI
24th Jul 20253712 PMAQI
24th Jul 2025341 PMAQI
24th Jul 2025342 PMAQI
24th Jul 2025333 PMAQI
24th Jul 2025334 PMAQI
24th Jul 2025325 PMAQI
24th Jul 2025306 PMAQI
24th Jul 2025307 PMAQI
24th Jul 2025338 PMAQI
24th Jul 2025349 PMAQI
24th Jul 20253110 PMAQI
24th Jul 20253211 PMAQI
25th Jul 20252612 AMAQI
25th Jul 2025241 AMAQI
25th Jul 2025202 AMAQI
25th Jul 2025323 AMAQI
25th Jul 2025314 AMAQI
25th Jul 2025285 AMAQI
32°C23/40°C
25th Jul 2025316 AMAQI
25th Jul 2025307 AMAQI
25th Jul 2025288 AMAQI
25th Jul 2025269 AMAQI
25th Jul 20252810 AMAQI
25th Jul 20253111 AMAQI
25th Jul 20253412 PMAQI
25th Jul 2025351 PMAQI
25th Jul 2025312 PMAQI
25th Jul 2025303 PMAQI
25th Jul 2025304 PMAQI
25th Jul 2025315 PMAQI
25th Jul 2025296 PMAQI
25th Jul 2025557 PMAQI
25th Jul 2025548 PMAQI
25th Jul 2025549 PMAQI
25th Jul 20254610 PMAQI
25th Jul 20253711 PMAQI
26th Jul 20253812 AMAQI
26th Jul 2025441 AMAQI
26th Jul 2025472 AMAQI
26th Jul 2025483 AMAQI
26th Jul 2025444 AMAQI
26th Jul 2025425 AMAQI
32°C24/42°C
26th Jul 2025346 AMAQI
26th Jul 2025337 AMAQI
26th Jul 2025338 AMAQI
26th Jul 2025369 AMAQI
26th Jul 20253310 AMAQI
26th Jul 20253111 AMAQI
26th Jul 20253012 PMAQI
26th Jul 2025301 PMAQI
26th Jul 2025302 PMAQI
26th Jul 2025333 PMAQI
26th Jul 2025344 PMAQI
26th Jul 2025335 PMAQI
26th Jul 2025406 PMAQI
26th Jul 2025487 PMAQI
26th Jul 2025598 PMAQI
26th Jul 2025579 PMAQI
26th Jul 20254610 PMAQI
26th Jul 20254611 PMAQI
27th Jul 20253212 AMAQI
27th Jul 2025341 AMAQI
27th Jul 2025372 AMAQI
27th Jul 2025303 AMAQI
27th Jul 2025364 AMAQI
27th Jul 2025385 AMAQI
30°C26/39°C
27th Jul 2025396 AMAQI
27th Jul 2025407 AMAQI
27th Jul 2025398 AMAQI
27th Jul 2025409 AMAQI
27th Jul 20253810 AMAQI
27th Jul 20253811 AMAQI
27th Jul 20253712 PMAQI
27th Jul 2025361 PMAQI
27th Jul 2025362 PMAQI
27th Jul 2025363 PMAQI
27th Jul 2025354 PMAQI
27th Jul 2025365 PMAQI
27th Jul 2025366 PMAQI
27th Jul 2025447 PMAQI
27th Jul 2025428 PMAQI
27th Jul 2025349 PMAQI
27th Jul 20253510 PMAQI
27th Jul 20253411 PMAQI
28th Jul 20254012 AMAQI
28th Jul 2025381 AMAQI
28th Jul 2025402 AMAQI
28th Jul 2025413 AMAQI
28th Jul 2025384 AMAQI
28th Jul 2025405 AMAQI
31°C24/39°C
28th Jul 2025446 AMAQI
28th Jul 2025447 AMAQI
28th Jul 2025428 AMAQI
28th Jul 2025459 AMAQI
28th Jul 20254410 AMAQI
28th Jul 20254611 AMAQI
28th Jul 20255112 PMAQI
28th Jul 2025491 PMAQI
28th Jul 2025472 PMAQI
28th Jul 2025503 PMAQI
28th Jul 2025504 PMAQI
28th Jul 2025515 PMAQI
28th Jul 2025476 PMAQI
28th Jul 2025457 PMAQI
28th Jul 2025448 PMAQI
28th Jul 2025449 PMAQI
28th Jul 20254610 PMAQI
28th Jul 20254911 PMAQI
29th Jul 20254812 AMAQI
29th Jul 2025501 AMAQI
29th Jul 2025552 AMAQI
29th Jul 2025553 AMAQI
29th Jul 2025544 AMAQI
29th Jul 2025565 AMAQI
31°C24/40°C
29th Jul 2025556 AMAQI
29th Jul 2025577 AMAQI
29th Jul 2025558 AMAQI
29th Jul 2025549 AMAQI
29th Jul 20255810 AMAQI
29th Jul 20255711 AMAQI
29th Jul 20256012 PMAQI
29th Jul 2025581 PMAQI
29th Jul 2025562 PMAQI
29th Jul 2025563 PMAQI
29th Jul 2025564 PMAQI
29th Jul 2025545 PMAQI
29th Jul 2025556 PMAQI
29th Jul 2025557 PMAQI
29th Jul 2025558 PMAQI
29th Jul 2025559 PMAQI
29th Jul 20255210 PMAQI
29th Jul 20255211 PMAQI
30th Jul 20254912 AMAQI
30th Jul 2025491 AMAQI
30th Jul 2025392 AMAQI
30th Jul 2025423 AMAQI
30th Jul 2025394 AMAQI
30th Jul 2025385 AMAQI
31°C22/39°C
30th Jul 2025426 AMAQI
30th Jul 2025447 AMAQI
30th Jul 2025528 AMAQI
30th Jul 2025529 AMAQI
30th Jul 20255410 AMAQI
30th Jul 20255611 AMAQI
30th Jul 20255512 PMAQI
30th Jul 2025541 PMAQI
30th Jul 2025552 PMAQI
30th Jul 2025553 PMAQI
30th Jul 2025554 PMAQI
30th Jul 2025555 PMAQI
30th Jul 2025556 PMAQI
30th Jul 2025557 PMAQI
30th Jul 2025488 PMAQI
30th Jul 2025489 PMAQI
30th Jul 20254310 PMAQI
30th Jul 20254511 PMAQI
31st Jul 20254512 AMAQI
31st Jul 2025431 AMAQI
31st Jul 2025442 AMAQI
31st Jul 2025443 AMAQI
31st Jul 2025444 AMAQI
31st Jul 2025425 AMAQI
31°C20/41°C
31st Jul 2025426 AMAQI
6 AM31st Jul 2025437 AMAQI
31st Jul 2025428 AMAQI
31st Jul 2025469 AMAQI
31st Jul 20255310 AMAQI
31st Jul 20255011 AMAQI
1 PM
8 PM
1 AM
5 AM
--°C/°C
Day time
Avg. Highest Time
6 AM - 8 PM
47AQI
15 hours / Day
450 hours / Month
Avg. Lowest Time
6 AM - 8 PM
47AQI
15 hours / Day
450 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 6 AM to 8 PM (Avg. 47), while the lowest AQI was between 6 AM to 8 PM (Avg. 47).
Night time
Avg. Highest Time
9 PM - 11 PM
46AQI
3 hours / Day
90 hours / Month
Avg. Lowest Time
12 AM - 5 AM
45AQI
6 hours / Day
180 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 9 PM to 11 PM (Avg. 46), while the lowest AQI was between 12 AM to 5 AM (Avg. 45).
2025 Days Vs Air Quality
Piedras Negras, Coahuila De Zaragoza, Mexico
2025
43%
90
57%
121
Total number of days with different AQI categories in last 212 days in 2025 (153 days remaining)
Good
90 DaysModerate
121 DaysPoor
0 DaysUnhealthy
0 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 43%
Health Risk Level:
Significant
In 2025, 43% of 212 days were within WHO’s safe air quality limits, and 57% exceeded them. The risk of health issues is Significant, especially for those with existing respiratory or heart conditions.
Annual Air Quality Insights
Piedras Negras, Coahuila De Zaragoza, 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.
1st January 2025
84AQI
84AQI
2nd January 2025
54AQI
54AQI
3rd January 2025
64AQI
64AQI
4th January 2025
67AQI
67AQI
5th January 2025
66AQI
66AQI
6th January 2025
47AQI
47AQI
7th January 2025
48AQI
48AQI
8th January 2025
46AQI
46AQI
9th January 2025
52AQI
52AQI
10th January 2025
47AQI
47AQI
11th January 2025
48AQI
48AQI
12th January 2025
51AQI
51AQI
13th January 2025
55AQI
55AQI
14th January 2025
57AQI
57AQI
15th January 2025
59AQI
59AQI
16th January 2025
58AQI
58AQI
17th January 2025
50AQI
50AQI
18th January 2025
49AQI
49AQI
19th January 2025
52AQI
52AQI
20th January 2025
49AQI
49AQI
21st January 2025
44AQI
44AQI
22nd January 2025
49AQI
49AQI
23rd January 2025
47AQI
47AQI
24th January 2025
48AQI
48AQI
25th January 2025
46AQI
46AQI
26th January 2025
49AQI
49AQI
27th January 2025
52AQI
52AQI
28th January 2025
53AQI
53AQI
29th January 2025
55AQI
55AQI
30th January 2025
55AQI
55AQI
31st January 2025
55AQI
55AQI
1st February 2025
63AQI
63AQI
2nd February 2025
62AQI
62AQI
3rd February 2025
61AQI
61AQI
4th February 2025
60AQI
60AQI
5th February 2025
55AQI
55AQI
6th February 2025
58AQI
58AQI
7th February 2025
57AQI
57AQI
8th February 2025
60AQI
60AQI
9th February 2025
58AQI
58AQI
10th February 2025
60AQI
60AQI
11th February 2025
57AQI
57AQI
12th February 2025
57AQI
57AQI
13th February 2025
53AQI
53AQI
14th February 2025
52AQI
52AQI
15th February 2025
55AQI
55AQI
16th February 2025
49AQI
49AQI
17th February 2025
52AQI
52AQI
18th February 2025
49AQI
49AQI
19th February 2025
50AQI
50AQI
20th February 2025
44AQI
44AQI
21st February 2025
50AQI
50AQI
22nd February 2025
46AQI
46AQI
23rd February 2025
50AQI
50AQI
24th February 2025
48AQI
48AQI
25th February 2025
52AQI
52AQI
26th February 2025
51AQI
51AQI
27th February 2025
52AQI
52AQI
28th February 2025
48AQI
48AQI
1st March 2025
52AQI
52AQI
2nd March 2025
50AQI
50AQI
3rd March 2025
55AQI
55AQI
4th March 2025
67AQI
67AQI
5th March 2025
60AQI
60AQI
6th March 2025
63AQI
63AQI
7th March 2025
60AQI
60AQI
8th March 2025
65AQI
65AQI
9th March 2025
54AQI
54AQI
10th March 2025
56AQI
56AQI
11th March 2025
54AQI
54AQI
12th March 2025
55AQI
55AQI
13th March 2025
62AQI
62AQI
14th March 2025
60AQI
60AQI
15th March 2025
65AQI
65AQI
16th March 2025
60AQI
60AQI
17th March 2025
61AQI
61AQI
18th March 2025
60AQI
60AQI
19th March 2025
71AQI
71AQI
20th March 2025
61AQI
61AQI
21st March 2025
61AQI
61AQI
22nd March 2025
62AQI
62AQI
23rd March 2025
60AQI
60AQI
24th March 2025
60AQI
60AQI
25th March 2025
60AQI
60AQI
26th March 2025
57AQI
57AQI
27th March 2025
41AQI
41AQI
28th March 2025
40AQI
40AQI
29th March 2025
44AQI
44AQI
30th March 2025
62AQI
62AQI
31st March 2025
64AQI
64AQI
1st April 2025
74AQI
74AQI
2nd April 2025
71AQI
71AQI
3rd April 2025
67AQI
67AQI
4th April 2025
57AQI
57AQI
5th April 2025
39AQI
39AQI
6th April 2025
30AQI
30AQI
7th April 2025
38AQI
38AQI
8th April 2025
41AQI
41AQI
9th April 2025
39AQI
39AQI
10th April 2025
42AQI
42AQI
11th April 2025
45AQI
45AQI
12th April 2025
41AQI
41AQI
13th April 2025
42AQI
42AQI
14th April 2025
42AQI
42AQI
15th April 2025
44AQI
44AQI
16th April 2025
47AQI
47AQI
17th April 2025
48AQI
48AQI
18th April 2025
55AQI
55AQI
19th April 2025
60AQI
60AQI
20th April 2025
51AQI
51AQI
21st April 2025
48AQI
48AQI
22nd April 2025
52AQI
52AQI
23rd April 2025
51AQI
51AQI
24th April 2025
58AQI
58AQI
25th April 2025
63AQI
63AQI
26th April 2025
63AQI
63AQI
27th April 2025
56AQI
56AQI
28th April 2025
58AQI
58AQI
29th April 2025
53AQI
53AQI
30th April 2025
55AQI
55AQI
1st May 2025
58AQI
58AQI
2nd May 2025
51AQI
51AQI
3rd May 2025
37AQI
37AQI
4th May 2025
39AQI
39AQI
5th May 2025
45AQI
45AQI
6th May 2025
57AQI
57AQI
7th May 2025
44AQI
44AQI
8th May 2025
46AQI
46AQI
9th May 2025
43AQI
43AQI
10th May 2025
36AQI
36AQI
11th May 2025
39AQI
39AQI
12th May 2025
39AQI
39AQI
13th May 2025
46AQI
46AQI
14th May 2025
53AQI
53AQI
15th May 2025
63AQI
63AQI
16th May 2025
69AQI
69AQI
17th May 2025
73AQI
73AQI
18th May 2025
69AQI
69AQI
19th May 2025
67AQI
67AQI
20th May 2025
61AQI
61AQI
21st May 2025
55AQI
55AQI
22nd May 2025
62AQI
62AQI
23rd May 2025
56AQI
56AQI
24th May 2025
58AQI
58AQI
25th May 2025
59AQI
59AQI
26th May 2025
65AQI
65AQI
27th May 2025
51AQI
51AQI
28th May 2025
48AQI
48AQI
29th May 2025
49AQI
49AQI
30th May 2025
50AQI
50AQI
31st May 2025
48AQI
48AQI
1st June 2025
48AQI
48AQI
2nd June 2025
58AQI
58AQI
3rd June 2025
62AQI
62AQI
4th June 2025
58AQI
58AQI
5th June 2025
53AQI
53AQI
6th June 2025
55AQI
55AQI
7th June 2025
56AQI
56AQI
8th June 2025
56AQI
56AQI
9th June 2025
54AQI
54AQI
10th June 2025
58AQI
58AQI
11th June 2025
52AQI
52AQI
12th June 2025
49AQI
49AQI
13th June 2025
55AQI
55AQI
14th June 2025
62AQI
62AQI
15th June 2025
59AQI
59AQI
16th June 2025
50AQI
50AQI
17th June 2025
43AQI
43AQI
18th June 2025
52AQI
52AQI
19th June 2025
51AQI
51AQI
20th June 2025
48AQI
48AQI
21st June 2025
33AQI
33AQI
22nd June 2025
35AQI
35AQI
23rd June 2025
41AQI
41AQI
24th June 2025
38AQI
38AQI
25th June 2025
33AQI
33AQI
26th June 2025
31AQI
31AQI
27th June 2025
27AQI
27AQI
28th June 2025
27AQI
27AQI
29th June 2025
31AQI
31AQI
30th June 2025
35AQI
35AQI
1st July 2025
32AQI
32AQI
2nd July 2025
36AQI
36AQI
3rd July 2025
43AQI
43AQI
4th July 2025
49AQI
49AQI
5th July 2025
63AQI
63AQI
6th July 2025
62AQI
62AQI
7th July 2025
55AQI
55AQI
8th July 2025
50AQI
50AQI
9th July 2025
38AQI
38AQI
10th July 2025
51AQI
51AQI
11th July 2025
51AQI
51AQI
12th July 2025
48AQI
48AQI
13th July 2025
41AQI
41AQI
14th July 2025
38AQI
38AQI
15th July 2025
40AQI
40AQI
16th July 2025
55AQI
55AQI
17th July 2025
63AQI
63AQI
18th July 2025
52AQI
52AQI
19th July 2025
47AQI
47AQI
20th July 2025
44AQI
44AQI
21st July 2025
51AQI
51AQI
22nd July 2025
49AQI
49AQI
23rd July 2025
43AQI
43AQI
24th July 2025
30AQI
30AQI
25th July 2025
33AQI
33AQI
26th July 2025
41AQI
41AQI
27th July 2025
37AQI
37AQI
28th July 2025
44AQI
44AQI
29th July 2025
54AQI
54AQI
30th July 2025
48AQI
48AQI
53AQI
54AQI
58AQI
51AQI
53AQI
47AQI
46AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202552AQI
14
17
9
19
4
27
14
16
14
17
15
15
20
10
90
121
Highest AQI recorded in
March58AQI
Lowest AQI recorded in
July46AQI
202441AQI
15
2
25
4
18
6
22
6
6
20
1
24
6
25
6
29
2
16
11
17
14
22
8
31
219
116
1
Highest AQI recorded in
December66AQI
Lowest AQI recorded in
August13AQI
2023103AQI
1
12
18
8
6
31
23
5
18
12
23
6
10
2
29
1
143
26
36
Highest AQI recorded in
May404AQI
Lowest AQI recorded in
January20AQI
202258AQI
1
4
5
8
3
14
3
12
9
2
1
1
1
14
1
5
2
1
19
7
70
31
3
7
1
1
Highest AQI recorded in
November414AQI
Lowest AQI recorded in
September34AQI
2021100AQI
1
3
1
10
18
3
12
13
5
10
6
1
4
1
3
1
19
13
5
4
9
10
9
5
5
8
6
2
6
12
8
4
6
1
15
8
5
1
83
91
24
45
5
5
Highest AQI recorded in
April165AQI
Lowest AQI recorded in
August49AQI
2020254AQI
2
2
12
4
10
1
1
2
24
4
1
7
3
20
2
29
30
15
55
14
1
3
96
Highest AQI recorded in
December405AQI
Lowest AQI recorded in
June35AQI
Most & Least Polluted Years Over the Last 6 Years
Most Polluted Year Recorded
2020(Avg.)
254AQILeast Polluted Year Recorded
2024(Avg.)
41AQIPiedras Negras's annual 2025 AQI (52) shows an average percentage change of -32.2% (improved AQI) compared to previous years: 2020 (254), 2021 (100), 2022 (58), 2023 (103), 2024 (41).
