Chalco, Mexico, 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
Chalco, Mexico, Mexico
2021
2022
2024
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
13th Oct 2024
77AQILowest AQI recorded on
5th Oct 2021
18AQISame Day Analysis (28th October ):
On this day, AQI across the 4 years varied significantly: 2025 ranks 1st highest AQI at 56 of Moderate air quality on the same day.
Download 2024 Annual Data
World Air Quality Report
Day & Night AQI Trend: 28th Oct - 29th Oct 2025
Chalco, Mexico, Mexico
AQI
Day
Night
.
7 AM28th Oct 2025
7 PM
6 AM29th Oct 2025
Day time
Avg. Highest Time
3PM28th Oct
85AQI
Avg. Lowest Time
7AM28th Oct
56AQI
Night time
Avg. Highest Time
7PM28th Oct
67AQI
Avg. Lowest Time
3AM29th Oct
52AQI
In the last 24 hours,
Chalco's AQI reached its highest point of 85 at 3 PM during the Day, while the lowest point, undefined, was recorded at 6 AM during the Day between 28th Oct and 29th Oct 2025.
Day & Night AQI Trend : Sep - Oct 2025
Chalco, Mexico, Mexico
SepOct
29th - 30th30th - 01st01st - 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
Day
Night
29th Sep 2025347 AMAQI
29th Sep 2025448 AMAQI
29th Sep 2025329 AMAQI
29th Sep 20253710 AMAQI
29th Sep 20252711 AMAQI
29th Sep 20252512 PMAQI
29th Sep 2025341 PMAQI
29th Sep 2025382 PMAQI
29th Sep 2025573 PMAQI
29th Sep 2025644 PMAQI
29th Sep 2025595 PMAQI
29th Sep 2025496 PMAQI
29th Sep 2025507 PMAQI
29th Sep 2025608 PMAQI
29th Sep 2025619 PMAQI
29th Sep 20256210 PMAQI
29th Sep 20256911 PMAQI
30th Sep 20256312 AMAQI
30th Sep 2025661 AMAQI
30th Sep 2025542 AMAQI
30th Sep 2025553 AMAQI
30th Sep 2025554 AMAQI
30th Sep 2025525 AMAQI
30th Sep 2025526 AMAQI
17°C14/22°C
30th Sep 2025527 AMAQI
30th Sep 2025558 AMAQI
30th Sep 2025699 AMAQI
30th Sep 20255810 AMAQI
30th Sep 20255711 AMAQI
30th Sep 20255612 PMAQI
30th Sep 2025571 PMAQI
30th Sep 2025572 PMAQI
30th Sep 2025753 PMAQI
30th Sep 2025764 PMAQI
30th Sep 2025775 PMAQI
30th Sep 2025846 PMAQI
30th Sep 2025877 PMAQI
30th Sep 2025788 PMAQI
30th Sep 2025749 PMAQI
30th Sep 20258010 PMAQI
30th Sep 20256911 PMAQI
1st Oct 20256212 AMAQI
1st Oct 2025601 AMAQI
1st Oct 2025592 AMAQI
1st Oct 2025553 AMAQI
1st Oct 2025564 AMAQI
1st Oct 2025515 AMAQI
1st Oct 2025476 AMAQI
17°C14/22°C
1st Oct 2025507 AMAQI
1st Oct 2025578 AMAQI
1st Oct 2025659 AMAQI
1st Oct 20256710 AMAQI
1st Oct 20256211 AMAQI
1st Oct 20256212 PMAQI
1st Oct 2025661 PMAQI
1st Oct 2025692 PMAQI
1st Oct 2025793 PMAQI
1st Oct 2025864 PMAQI
1st Oct 2025905 PMAQI
1st Oct 2025946 PMAQI
1st Oct 2025897 PMAQI
1st Oct 2025878 PMAQI
1st Oct 2025789 PMAQI
1st Oct 20257010 PMAQI
1st Oct 20256211 PMAQI
2nd Oct 20255512 AMAQI
2nd Oct 2025451 AMAQI
2nd Oct 2025522 AMAQI
2nd Oct 2025483 AMAQI
2nd Oct 2025534 AMAQI
2nd Oct 2025525 AMAQI
2nd Oct 2025516 AMAQI
15°C11/21°C
2nd Oct 2025537 AMAQI
2nd Oct 2025588 AMAQI
2nd Oct 2025649 AMAQI
2nd Oct 20256410 AMAQI
2nd Oct 20256511 AMAQI
2nd Oct 20256912 PMAQI
2nd Oct 2025791 PMAQI
2nd Oct 2025842 PMAQI
2nd Oct 2025883 PMAQI
2nd Oct 2025884 PMAQI
2nd Oct 2025795 PMAQI
2nd Oct 2025756 PMAQI
2nd Oct 2025677 PMAQI
2nd Oct 2025618 PMAQI
2nd Oct 2025499 PMAQI
2nd Oct 20254610 PMAQI
2nd Oct 20253911 PMAQI
3rd Oct 20254412 AMAQI
3rd Oct 2025401 AMAQI
3rd Oct 2025432 AMAQI
3rd Oct 2025393 AMAQI
3rd Oct 2025434 AMAQI
3rd Oct 2025375 AMAQI
3rd Oct 2025426 AMAQI
15°C12/21°C
3rd Oct 2025407 AMAQI
3rd Oct 2025458 AMAQI
3rd Oct 2025489 AMAQI
3rd Oct 20254710 AMAQI
3rd Oct 20254811 AMAQI
3rd Oct 20254912 PMAQI
3rd Oct 2025551 PMAQI
3rd Oct 2025602 PMAQI
3rd Oct 2025643 PMAQI
3rd Oct 2025604 PMAQI
3rd Oct 2025615 PMAQI
3rd Oct 2025596 PMAQI
3rd Oct 2025627 PMAQI
3rd Oct 2025568 PMAQI
3rd Oct 2025519 PMAQI
3rd Oct 20254410 PMAQI
3rd Oct 20253911 PMAQI
4th Oct 20254312 AMAQI
4th Oct 2025521 AMAQI
4th Oct 2025552 AMAQI
4th Oct 2025553 AMAQI
4th Oct 2025534 AMAQI
4th Oct 2025565 AMAQI
4th Oct 2025526 AMAQI
15°C11/20°C
4th Oct 2025587 AMAQI
4th Oct 2025578 AMAQI
4th Oct 2025559 AMAQI
4th Oct 20255310 AMAQI
4th Oct 20255511 AMAQI
4th Oct 20255812 PMAQI
4th Oct 2025571 PMAQI
4th Oct 2025682 PMAQI
4th Oct 2025783 PMAQI
4th Oct 2025884 PMAQI
4th Oct 2025855 PMAQI
4th Oct 2025926 PMAQI
4th Oct 20251117 PMAQI
4th Oct 20251008 PMAQI
4th Oct 2025839 PMAQI
4th Oct 20257010 PMAQI
4th Oct 20256111 PMAQI
5th Oct 20254612 AMAQI
5th Oct 2025521 AMAQI
5th Oct 2025562 AMAQI
5th Oct 2025543 AMAQI
5th Oct 2025564 AMAQI
5th Oct 2025575 AMAQI
5th Oct 2025556 AMAQI
15°C11/21°C
5th Oct 2025547 AMAQI
5th Oct 2025558 AMAQI
5th Oct 2025539 AMAQI
5th Oct 20255310 AMAQI
5th Oct 20255611 AMAQI
5th Oct 20256112 PMAQI
5th Oct 2025621 PMAQI
5th Oct 2025632 PMAQI
5th Oct 2025543 PMAQI
5th Oct 2025464 PMAQI
5th Oct 2025485 PMAQI
5th Oct 2025536 PMAQI
5th Oct 2025537 PMAQI
5th Oct 2025508 PMAQI
5th Oct 2025499 PMAQI
5th Oct 20253810 PMAQI
5th Oct 20253911 PMAQI
6th Oct 20253912 AMAQI
6th Oct 2025541 AMAQI
6th Oct 2025552 AMAQI
6th Oct 2025533 AMAQI
6th Oct 2025534 AMAQI
6th Oct 2025515 AMAQI
6th Oct 2025506 AMAQI
16°C13/20°C
6th Oct 2025537 AMAQI
6th Oct 2025558 AMAQI
6th Oct 2025569 AMAQI
6th Oct 20255810 AMAQI
6th Oct 20256211 AMAQI
7th Oct 2025605 AMAQI
7th Oct 2025546 AMAQI
16°C12/22°C
7th Oct 2025547 AMAQI
7th Oct 2025558 AMAQI
7th Oct 2025589 AMAQI
7th Oct 20256310 AMAQI
7th Oct 20256811 AMAQI
7th Oct 20258112 PMAQI
7th Oct 2025811 PMAQI
7th Oct 2025742 PMAQI
7th Oct 2025623 PMAQI
7th Oct 2025564 PMAQI
7th Oct 2025545 PMAQI
7th Oct 2025536 PMAQI
7th Oct 2025427 PMAQI
7th Oct 2025458 PMAQI
7th Oct 2025409 PMAQI
7th Oct 20254010 PMAQI
7th Oct 20253511 PMAQI
8th Oct 20253612 AMAQI
8th Oct 2025361 AMAQI
8th Oct 2025362 AMAQI
8th Oct 2025363 AMAQI
8th Oct 2025334 AMAQI
8th Oct 2025335 AMAQI
8th Oct 2025306 AMAQI
16°C14/22°C
8th Oct 2025237 AMAQI
8th Oct 2025328 AMAQI
8th Oct 2025389 AMAQI
8th Oct 20254010 AMAQI
8th Oct 20254411 AMAQI
8th Oct 20254712 PMAQI
8th Oct 2025441 PMAQI
8th Oct 2025392 PMAQI
8th Oct 2025413 PMAQI
8th Oct 2025454 PMAQI
8th Oct 2025365 PMAQI
8th Oct 2025376 PMAQI
8th Oct 2025357 PMAQI
8th Oct 2025418 PMAQI
8th Oct 2025389 PMAQI
8th Oct 20253910 PMAQI
8th Oct 20253711 PMAQI
9th Oct 20254012 AMAQI
9th Oct 2025391 AMAQI
9th Oct 2025442 AMAQI
9th Oct 2025393 AMAQI
9th Oct 2025414 AMAQI
9th Oct 2025395 AMAQI
9th Oct 2025426 AMAQI
14°C13/16°C
9th Oct 2025417 AMAQI
9th Oct 2025468 AMAQI
9th Oct 2025399 AMAQI
9th Oct 20254510 AMAQI
9th Oct 20255211 AMAQI
9th Oct 20255012 PMAQI
9th Oct 2025551 PMAQI
9th Oct 2025562 PMAQI
9th Oct 2025553 PMAQI
9th Oct 2025604 PMAQI
9th Oct 2025595 PMAQI
9th Oct 2025636 PMAQI
9th Oct 2025637 PMAQI
9th Oct 2025648 PMAQI
9th Oct 2025549 PMAQI
9th Oct 20254510 PMAQI
9th Oct 20254611 PMAQI
10th Oct 20254212 AMAQI
10th Oct 2025471 AMAQI
10th Oct 2025462 AMAQI
10th Oct 2025453 AMAQI
10th Oct 2025434 AMAQI
10th Oct 2025455 AMAQI
10th Oct 2025466 AMAQI
15°C13/18°C
10th Oct 2025427 AMAQI
10th Oct 2025498 AMAQI
10th Oct 2025409 AMAQI
10th Oct 20254810 AMAQI
10th Oct 20255011 AMAQI
10th Oct 20255212 PMAQI
10th Oct 2025561 PMAQI
10th Oct 2025602 PMAQI
10th Oct 2025693 PMAQI
10th Oct 2025744 PMAQI
10th Oct 2025685 PMAQI
10th Oct 2025656 PMAQI
10th Oct 2025607 PMAQI
10th Oct 2025488 PMAQI
10th Oct 2025459 PMAQI
10th Oct 20255110 PMAQI
10th Oct 20255211 PMAQI
11th Oct 20255512 AMAQI
11th Oct 2025571 AMAQI
11th Oct 2025602 AMAQI
11th Oct 2025543 AMAQI
11th Oct 2025514 AMAQI
11th Oct 2025365 AMAQI
11th Oct 2025406 AMAQI
16°C14/20°C
11th Oct 2025467 AMAQI
11th Oct 2025528 AMAQI
11th Oct 2025509 AMAQI
11th Oct 20254910 AMAQI
11th Oct 20254011 AMAQI
11th Oct 20254312 PMAQI
11th Oct 2025431 PMAQI
11th Oct 2025482 PMAQI
11th Oct 2025513 PMAQI
11th Oct 2025484 PMAQI
11th Oct 2025445 PMAQI
11th Oct 2025416 PMAQI
11th Oct 2025517 PMAQI
11th Oct 2025528 PMAQI
11th Oct 2025489 PMAQI
11th Oct 20255410 PMAQI
11th Oct 20255311 PMAQI
12th Oct 20254312 AMAQI
12th Oct 2025441 AMAQI
12th Oct 2025452 AMAQI
12th Oct 2025453 AMAQI
12th Oct 2025404 AMAQI
12th Oct 2025485 AMAQI
12th Oct 2025556 AMAQI
15°C12/20°C
12th Oct 2025507 AMAQI
12th Oct 2025508 AMAQI
12th Oct 2025589 AMAQI
12th Oct 20256510 AMAQI
12th Oct 20257211 AMAQI
12th Oct 20257312 PMAQI
12th Oct 2025731 PMAQI
12th Oct 2025882 PMAQI
12th Oct 2025903 PMAQI
12th Oct 2025764 PMAQI
12th Oct 2025655 PMAQI
12th Oct 2025566 PMAQI
12th Oct 2025547 PMAQI
12th Oct 2025558 PMAQI
12th Oct 2025559 PMAQI
12th Oct 20255410 PMAQI
12th Oct 20255611 PMAQI
13th Oct 20255412 AMAQI
13th Oct 2025531 AMAQI
13th Oct 2025502 AMAQI
13th Oct 2025583 AMAQI
13th Oct 2025574 AMAQI
13th Oct 2025585 AMAQI
13th Oct 2025606 AMAQI
16°C12/21°C
13th Oct 2025617 AMAQI
13th Oct 2025608 AMAQI
13th Oct 2025579 AMAQI
13th Oct 20256310 AMAQI
13th Oct 20256411 AMAQI
13th Oct 20256312 PMAQI
13th Oct 2025601 PMAQI
13th Oct 2025512 PMAQI
13th Oct 2025493 PMAQI
13th Oct 2025454 PMAQI
13th Oct 2025445 PMAQI
13th Oct 2025536 PMAQI
13th Oct 2025567 PMAQI
13th Oct 2025548 PMAQI
13th Oct 2025479 PMAQI
13th Oct 20254310 PMAQI
13th Oct 20254711 PMAQI
14th Oct 20253912 AMAQI
14th Oct 2025461 AMAQI
14th Oct 2025432 AMAQI
14th Oct 2025473 AMAQI
14th Oct 2025494 AMAQI
14th Oct 2025515 AMAQI
14th Oct 2025516 AMAQI
16°C8/23°C
14th Oct 2025547 AMAQI
14th Oct 2025578 AMAQI
14th Oct 2025579 AMAQI
14th Oct 20255910 AMAQI
14th Oct 20256411 AMAQI
14th Oct 20256412 PMAQI
14th Oct 2025661 PMAQI
14th Oct 2025662 PMAQI
14th Oct 2025683 PMAQI
14th Oct 2025704 PMAQI
14th Oct 2025695 PMAQI
14th Oct 2025606 PMAQI
14th Oct 2025607 PMAQI
14th Oct 2025568 PMAQI
14th Oct 2025489 PMAQI
14th Oct 20255210 PMAQI
14th Oct 20254511 PMAQI
15th Oct 20253612 AMAQI
15th Oct 2025411 AMAQI
15th Oct 2025422 AMAQI
15th Oct 2025433 AMAQI
15th Oct 2025504 AMAQI
15th Oct 2025465 AMAQI
15th Oct 2025526 AMAQI
14°C11/19°C
15th Oct 2025537 AMAQI
15th Oct 2025418 AMAQI
15th Oct 2025439 AMAQI
15th Oct 20254310 AMAQI
15th Oct 20254411 AMAQI
15th Oct 20255312 PMAQI
15th Oct 2025561 PMAQI
15th Oct 2025572 PMAQI
15th Oct 2025553 PMAQI
15th Oct 2025574 PMAQI
15th Oct 2025585 PMAQI
15th Oct 2025566 PMAQI
15th Oct 2025537 PMAQI
15th Oct 2025508 PMAQI
15th Oct 2025529 PMAQI
15th Oct 20254610 PMAQI
15th Oct 20254311 PMAQI
16th Oct 20254812 AMAQI
16th Oct 2025481 AMAQI
16th Oct 2025482 AMAQI
16th Oct 2025533 AMAQI
16th Oct 2025544 AMAQI
16th Oct 2025565 AMAQI
16th Oct 2025556 AMAQI
14°C10/19°C
16th Oct 2025587 AMAQI
16th Oct 2025588 AMAQI
16th Oct 2025619 AMAQI
16th Oct 20256210 AMAQI
16th Oct 20256111 AMAQI
16th Oct 20256612 PMAQI
16th Oct 2025721 PMAQI
16th Oct 2025782 PMAQI
16th Oct 2025783 PMAQI
16th Oct 2025754 PMAQI
16th Oct 2025705 PMAQI
16th Oct 2025696 PMAQI
16th Oct 2025727 PMAQI
16th Oct 2025718 PMAQI
16th Oct 2025739 PMAQI
16th Oct 20257010 PMAQI
16th Oct 20257211 PMAQI
17th Oct 20256812 AMAQI
17th Oct 2025661 AMAQI
17th Oct 2025662 AMAQI
17th Oct 2025623 AMAQI
17th Oct 2025664 AMAQI
17th Oct 2025715 AMAQI
17th Oct 2025646 AMAQI
16°C11/22°C
17th Oct 2025657 AMAQI
17th Oct 2025658 AMAQI
17th Oct 2025659 AMAQI
17th Oct 20256410 AMAQI
17th Oct 20256811 AMAQI
17th Oct 20257812 PMAQI
17th Oct 2025771 PMAQI
17th Oct 2025902 PMAQI
17th Oct 2025873 PMAQI
17th Oct 2025844 PMAQI
17th Oct 2025845 PMAQI
17th Oct 2025816 PMAQI
17th Oct 2025877 PMAQI
17th Oct 2025908 PMAQI
17th Oct 2025989 PMAQI
17th Oct 20259410 PMAQI
17th Oct 20259211 PMAQI
18th Oct 20257912 AMAQI
18th Oct 2025691 AMAQI
18th Oct 2025682 AMAQI
18th Oct 2025693 AMAQI
18th Oct 2025754 AMAQI
18th Oct 2025805 AMAQI
18th Oct 2025806 AMAQI
15°C9/22°C
18th Oct 2025717 AMAQI
18th Oct 2025668 AMAQI
18th Oct 2025649 AMAQI
18th Oct 20256210 AMAQI
18th Oct 20256411 AMAQI
18th Oct 20256712 PMAQI
18th Oct 2025701 PMAQI
18th Oct 2025792 PMAQI
18th Oct 2025833 PMAQI
18th Oct 2025854 PMAQI
18th Oct 2025815 PMAQI
18th Oct 2025726 PMAQI
18th Oct 2025617 PMAQI
18th Oct 2025588 PMAQI
18th Oct 2025579 PMAQI
18th Oct 20255910 PMAQI
18th Oct 20255911 PMAQI
19th Oct 20255612 AMAQI
19th Oct 2025551 AMAQI
19th Oct 2025622 AMAQI
19th Oct 2025633 AMAQI
19th Oct 2025674 AMAQI
19th Oct 2025685 AMAQI
19th Oct 2025696 AMAQI
17°C11/22°C
19th Oct 2025727 AMAQI
19th Oct 2025748 AMAQI
19th Oct 2025699 AMAQI
19th Oct 20257510 AMAQI
19th Oct 20257411 AMAQI
19th Oct 20258212 PMAQI
19th Oct 2025741 PMAQI
19th Oct 2025642 PMAQI
19th Oct 2025563 PMAQI
19th Oct 2025544 PMAQI
19th Oct 2025545 PMAQI
19th Oct 2025566 PMAQI
19th Oct 2025567 PMAQI
19th Oct 2025598 PMAQI
19th Oct 2025649 PMAQI
19th Oct 20256710 PMAQI
19th Oct 20256911 PMAQI
20th Oct 20257112 AMAQI
20th Oct 2025721 AMAQI
20th Oct 2025682 AMAQI
20th Oct 2025673 AMAQI
20th Oct 2025734 AMAQI
20th Oct 2025675 AMAQI
20th Oct 2025666 AMAQI
15°C8/26°C
20th Oct 2025607 AMAQI
20th Oct 2025658 AMAQI
20th Oct 2025689 AMAQI
20th Oct 20256210 AMAQI
20th Oct 20256011 AMAQI
20th Oct 20255912 PMAQI
20th Oct 2025661 PMAQI
20th Oct 2025622 PMAQI
20th Oct 2025663 PMAQI
20th Oct 2025694 PMAQI
20th Oct 2025725 PMAQI
20th Oct 2025726 PMAQI
20th Oct 2025647 PMAQI
20th Oct 2025618 PMAQI
20th Oct 2025659 PMAQI
20th Oct 20256310 PMAQI
20th Oct 20255911 PMAQI
21st Oct 20255612 AMAQI
21st Oct 2025591 AMAQI
21st Oct 2025592 AMAQI
21st Oct 2025583 AMAQI
21st Oct 2025654 AMAQI
21st Oct 2025635 AMAQI
21st Oct 2025606 AMAQI
16°C12/21°C
21st Oct 2025587 AMAQI
21st Oct 2025618 AMAQI
21st Oct 2025619 AMAQI
21st Oct 20256210 AMAQI
21st Oct 20256611 AMAQI
21st Oct 20256912 PMAQI
21st Oct 2025721 PMAQI
21st Oct 2025882 PMAQI
21st Oct 2025843 PMAQI
21st Oct 2025834 PMAQI
21st Oct 2025805 PMAQI
21st Oct 2025646 PMAQI
21st Oct 2025597 PMAQI
21st Oct 2025588 PMAQI
21st Oct 2025609 PMAQI
21st Oct 20255610 PMAQI
21st Oct 20255711 PMAQI
22nd Oct 20255312 AMAQI
22nd Oct 2025521 AMAQI
22nd Oct 2025512 AMAQI
22nd Oct 2025453 AMAQI
22nd Oct 2025454 AMAQI
22nd Oct 2025495 AMAQI
22nd Oct 2025426 AMAQI
15°C12/21°C
22nd Oct 2025527 AMAQI
22nd Oct 2025498 AMAQI
22nd Oct 2025439 AMAQI
22nd Oct 20254410 AMAQI
22nd Oct 20255011 AMAQI
22nd Oct 20255412 PMAQI
22nd Oct 2025521 PMAQI
22nd Oct 2025352 PMAQI
22nd Oct 2025483 PMAQI
22nd Oct 2025564 PMAQI
22nd Oct 2025285 PMAQI
22nd Oct 2025276 PMAQI
22nd Oct 2025357 PMAQI
22nd Oct 2025288 PMAQI
22nd Oct 2025469 PMAQI
22nd Oct 20254210 PMAQI
22nd Oct 20253411 PMAQI
23rd Oct 20253112 AMAQI
23rd Oct 2025281 AMAQI
23rd Oct 2025372 AMAQI
23rd Oct 2025303 AMAQI
23rd Oct 2025284 AMAQI
23rd Oct 2025435 AMAQI
23rd Oct 2025486 AMAQI
15°C11/20°C
23rd Oct 2025547 AMAQI
23rd Oct 2025568 AMAQI
23rd Oct 2025609 AMAQI
23rd Oct 20256110 AMAQI
23rd Oct 20255611 AMAQI
23rd Oct 20255912 PMAQI
23rd Oct 2025611 PMAQI
23rd Oct 2025692 PMAQI
23rd Oct 2025773 PMAQI
23rd Oct 2025704 PMAQI
23rd Oct 2025695 PMAQI
23rd Oct 2025626 PMAQI
23rd Oct 2025567 PMAQI
23rd Oct 2025608 PMAQI
23rd Oct 2025609 PMAQI
23rd Oct 20255810 PMAQI
23rd Oct 20255411 PMAQI
24th Oct 20255112 AMAQI
24th Oct 2025411 AMAQI
24th Oct 2025522 AMAQI
24th Oct 2025533 AMAQI
24th Oct 2025634 AMAQI
24th Oct 2025645 AMAQI
24th Oct 2025496 AMAQI
16°C11/23°C
24th Oct 2025607 AMAQI
24th Oct 2025568 AMAQI
24th Oct 2025589 AMAQI
24th Oct 20255710 AMAQI
24th Oct 20255911 AMAQI
24th Oct 20256512 PMAQI
24th Oct 2025831 PMAQI
24th Oct 2025842 PMAQI
24th Oct 2025803 PMAQI
24th Oct 2025704 PMAQI
24th Oct 2025785 PMAQI
24th Oct 2025876 PMAQI
24th Oct 2025807 PMAQI
24th Oct 2025808 PMAQI
24th Oct 2025699 PMAQI
24th Oct 20256810 PMAQI
24th Oct 20258011 PMAQI
25th Oct 20257112 AMAQI
25th Oct 2025691 AMAQI
25th Oct 2025682 AMAQI
25th Oct 2025663 AMAQI
25th Oct 2025654 AMAQI
25th Oct 2025665 AMAQI
25th Oct 2025736 AMAQI
16°C8/25°C
25th Oct 2025717 AMAQI
25th Oct 2025718 AMAQI
25th Oct 2025719 AMAQI
25th Oct 20256310 AMAQI
25th Oct 20256411 AMAQI
25th Oct 20256812 PMAQI
25th Oct 2025711 PMAQI
25th Oct 2025762 PMAQI
25th Oct 2025793 PMAQI
25th Oct 2025764 PMAQI
25th Oct 2025795 PMAQI
25th Oct 2025796 PMAQI
25th Oct 2025767 PMAQI
25th Oct 2025788 PMAQI
25th Oct 2025789 PMAQI
25th Oct 20257710 PMAQI
25th Oct 20257611 PMAQI
26th Oct 20257212 AMAQI
26th Oct 2025611 AMAQI
26th Oct 2025612 AMAQI
26th Oct 2025553 AMAQI
26th Oct 2025544 AMAQI
26th Oct 2025535 AMAQI
26th Oct 2025616 AMAQI
17°C10/26°C
26th Oct 2025647 AMAQI
26th Oct 2025648 AMAQI
26th Oct 2025609 AMAQI
26th Oct 20256410 AMAQI
26th Oct 20256711 AMAQI
26th Oct 20257812 PMAQI
26th Oct 2025801 PMAQI
26th Oct 2025802 PMAQI
26th Oct 2025793 PMAQI
26th Oct 2025764 PMAQI
26th Oct 2025695 PMAQI
26th Oct 2025686 PMAQI
26th Oct 2025757 PMAQI
26th Oct 2025748 PMAQI
26th Oct 2025689 PMAQI
26th Oct 20256810 PMAQI
26th Oct 20255711 PMAQI
27th Oct 20255012 AMAQI
27th Oct 2025501 AMAQI
27th Oct 2025482 AMAQI
27th Oct 2025473 AMAQI
27th Oct 2025614 AMAQI
27th Oct 2025575 AMAQI
27th Oct 2025556 AMAQI
17°C10/25°C
27th Oct 2025567 AMAQI
27th Oct 2025548 AMAQI
27th Oct 2025559 AMAQI
27th Oct 20255910 AMAQI
27th Oct 20256511 AMAQI
27th Oct 20256812 PMAQI
27th Oct 2025781 PMAQI
27th Oct 2025732 PMAQI
27th Oct 2025683 PMAQI
27th Oct 2025604 PMAQI
27th Oct 2025575 PMAQI
27th Oct 2025636 PMAQI
27th Oct 2025637 PMAQI
27th Oct 2025648 PMAQI
27th Oct 2025619 PMAQI
27th Oct 20255810 PMAQI
27th Oct 20255411 PMAQI
28th Oct 20255212 AMAQI
28th Oct 2025431 AMAQI
28th Oct 2025442 AMAQI
28th Oct 2025463 AMAQI
28th Oct 2025544 AMAQI
28th Oct 2025595 AMAQI
28th Oct 2025566 AMAQI
17°C10/24°C
28th Oct 2025567 AMAQI
28th Oct 2025598 AMAQI
28th Oct 2025659 AMAQI
28th Oct 20256810 AMAQI
28th Oct 20256411 AMAQI
28th Oct 20256912 PMAQI
28th Oct 2025731 PMAQI
28th Oct 2025832 PMAQI
28th Oct 2025853 PMAQI
28th Oct 2025804 PMAQI
28th Oct 2025705 PMAQI
28th Oct 2025686 PMAQI
28th Oct 2025677 PMAQI
28th Oct 2025658 PMAQI
28th Oct 2025679 PMAQI
28th Oct 20256310 PMAQI
28th Oct 20255611 PMAQI
29th Oct 20256212 AMAQI
29th Oct 2025571 AMAQI
29th Oct 2025542 AMAQI
29th Oct 2025523 AMAQI
16°C10/23°C
7 AM
1 PM
7 PM
1 AM
6 AM
--°C/°C
Day time
Avg. Highest Time
1 PM - 4 PM
67AQI
4 hours / Day
120 hours / Month
Avg. Lowest Time
7 AM
54AQI
1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 1 PM to 4 PM (Avg. 67), while the lowest AQI was between 7 AM to 7 AM (Avg. 54).
Night time
Avg. Highest Time
8 PM
62AQI
1 hours / Day
30 hours / Month
Avg. Lowest Time
3 AM
50AQI
1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 8 PM to 8 PM (Avg. 62), while the lowest AQI was between 3 AM to 3 AM (Avg. 50).
2025 Days Vs Air Quality
Chalco, Mexico, Mexico
2025
32%
96
68%
204
0.3%
1
Total number of days with different AQI categories in last 302 days in 2025 (63 days remaining)
Good
96 DaysModerate
204 DaysPoor
1 DaysUnhealthy
0 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 32%
Health Risk Level:
High
In 2025, 32% of 302 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
Chalco, Mexico, 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
130AQI
130AQI
2nd January 2025
98AQI
98AQI
3rd January 2025
96AQI
96AQI
4th January 2025
79AQI
79AQI
5th January 2025
76AQI
76AQI
6th January 2025
78AQI
78AQI
7th January 2025
77AQI
77AQI
8th January 2025
75AQI
75AQI
9th January 2025
69AQI
69AQI
10th January 2025
62AQI
62AQI
11th January 2025
56AQI
56AQI
12th January 2025
52AQI
52AQI
13th January 2025
60AQI
60AQI
14th January 2025
63AQI
63AQI
15th January 2025
67AQI
67AQI
16th January 2025
68AQI
68AQI
17th January 2025
74AQI
74AQI
18th January 2025
75AQI
75AQI
19th January 2025
74AQI
74AQI
20th January 2025
64AQI
64AQI
21st January 2025
64AQI
64AQI
22nd January 2025
68AQI
68AQI
23rd January 2025
72AQI
72AQI
24th January 2025
77AQI
77AQI
25th January 2025
74AQI
74AQI
26th January 2025
75AQI
75AQI
27th January 2025
74AQI
74AQI
28th January 2025
77AQI
77AQI
29th January 2025
72AQI
72AQI
30th January 2025
71AQI
71AQI
31st January 2025
71AQI
71AQI
1st February 2025
70AQI
70AQI
2nd February 2025
73AQI
73AQI
3rd February 2025
69AQI
69AQI
4th February 2025
72AQI
72AQI
5th February 2025
74AQI
74AQI
6th February 2025
75AQI
75AQI
7th February 2025
70AQI
70AQI
8th February 2025
73AQI
73AQI
9th February 2025
73AQI
73AQI
10th February 2025
73AQI
73AQI
11th February 2025
78AQI
78AQI
12th February 2025
72AQI
72AQI
13th February 2025
63AQI
63AQI
14th February 2025
66AQI
66AQI
15th February 2025
62AQI
62AQI
16th February 2025
59AQI
59AQI
17th February 2025
51AQI
51AQI
18th February 2025
55AQI
55AQI
19th February 2025
46AQI
46AQI
20th February 2025
55AQI
55AQI
21st February 2025
51AQI
51AQI
22nd February 2025
49AQI
49AQI
23rd February 2025
48AQI
48AQI
24th February 2025
45AQI
45AQI
25th February 2025
48AQI
48AQI
26th February 2025
56AQI
56AQI
27th February 2025
64AQI
64AQI
28th February 2025
58AQI
58AQI
1st March 2025
62AQI
62AQI
2nd March 2025
57AQI
57AQI
3rd March 2025
59AQI
59AQI
4th March 2025
58AQI
58AQI
5th March 2025
59AQI
59AQI
6th March 2025
59AQI
59AQI
7th March 2025
54AQI
54AQI
8th March 2025
53AQI
53AQI
9th March 2025
53AQI
53AQI
10th March 2025
54AQI
54AQI
11th March 2025
52AQI
52AQI
12th March 2025
56AQI
56AQI
13th March 2025
64AQI
64AQI
14th March 2025
70AQI
70AQI
15th March 2025
67AQI
67AQI
16th March 2025
71AQI
71AQI
17th March 2025
78AQI
78AQI
18th March 2025
78AQI
78AQI
19th March 2025
84AQI
84AQI
20th March 2025
98AQI
98AQI
21st March 2025
84AQI
84AQI
22nd March 2025
84AQI
84AQI
23rd March 2025
80AQI
80AQI
24th March 2025
80AQI
80AQI
25th March 2025
84AQI
84AQI
26th March 2025
78AQI
78AQI
27th March 2025
79AQI
79AQI
28th March 2025
70AQI
70AQI
29th March 2025
71AQI
71AQI
30th March 2025
72AQI
72AQI
31st March 2025
76AQI
76AQI
1st April 2025
78AQI
78AQI
2nd April 2025
80AQI
80AQI
3rd April 2025
78AQI
78AQI
4th April 2025
71AQI
71AQI
5th April 2025
71AQI
71AQI
6th April 2025
70AQI
70AQI
7th April 2025
67AQI
67AQI
8th April 2025
69AQI
69AQI
9th April 2025
69AQI
69AQI
10th April 2025
65AQI
65AQI
11th April 2025
66AQI
66AQI
12th April 2025
63AQI
63AQI
13th April 2025
64AQI
64AQI
14th April 2025
66AQI
66AQI
15th April 2025
67AQI
67AQI
16th April 2025
72AQI
72AQI
17th April 2025
74AQI
74AQI
18th April 2025
80AQI
80AQI
19th April 2025
82AQI
82AQI
20th April 2025
83AQI
83AQI
21st April 2025
84AQI
84AQI
22nd April 2025
84AQI
84AQI
23rd April 2025
84AQI
84AQI
24th April 2025
82AQI
82AQI
25th April 2025
84AQI
84AQI
26th April 2025
82AQI
82AQI
27th April 2025
74AQI
74AQI
28th April 2025
73AQI
73AQI
29th April 2025
77AQI
77AQI
30th April 2025
80AQI
80AQI
1st May 2025
73AQI
73AQI
2nd May 2025
76AQI
76AQI
3rd May 2025
78AQI
78AQI
4th May 2025
78AQI
78AQI
5th May 2025
74AQI
74AQI
6th May 2025
74AQI
74AQI
7th May 2025
78AQI
78AQI
8th May 2025
76AQI
76AQI
9th May 2025
79AQI
79AQI
10th May 2025
72AQI
72AQI
11th May 2025
72AQI
72AQI
12th May 2025
70AQI
70AQI
13th May 2025
67AQI
67AQI
14th May 2025
74AQI
74AQI
15th May 2025
67AQI
67AQI
16th May 2025
69AQI
69AQI
17th May 2025
71AQI
71AQI
18th May 2025
68AQI
68AQI
19th May 2025
70AQI
70AQI
20th May 2025
70AQI
70AQI
21st May 2025
70AQI
70AQI
22nd May 2025
71AQI
71AQI
23rd May 2025
71AQI
71AQI
24th May 2025
69AQI
69AQI
25th May 2025
63AQI
63AQI
26th May 2025
61AQI
61AQI
27th May 2025
61AQI
61AQI
28th May 2025
53AQI
53AQI
29th May 2025
51AQI
51AQI
30th May 2025
53AQI
53AQI
31st May 2025
54AQI
54AQI
1st June 2025
57AQI
57AQI
2nd June 2025
54AQI
54AQI
3rd June 2025
55AQI
55AQI
4th June 2025
55AQI
55AQI
5th June 2025
55AQI
55AQI
6th June 2025
56AQI
56AQI
7th June 2025
53AQI
53AQI
8th June 2025
54AQI
54AQI
9th June 2025
52AQI
52AQI
10th June 2025
55AQI
55AQI
11th June 2025
55AQI
55AQI
12th June 2025
54AQI
54AQI
13th June 2025
46AQI
46AQI
14th June 2025
36AQI
36AQI
15th June 2025
29AQI
29AQI
16th June 2025
34AQI
34AQI
17th June 2025
33AQI
33AQI
18th June 2025
36AQI
36AQI
19th June 2025
30AQI
30AQI
20th June 2025
26AQI
26AQI
21st June 2025
22AQI
22AQI
22nd June 2025
22AQI
22AQI
23rd June 2025
24AQI
24AQI
24th June 2025
22AQI
22AQI
25th June 2025
31AQI
31AQI
26th June 2025
39AQI
39AQI
27th June 2025
40AQI
40AQI
28th June 2025
39AQI
39AQI
29th June 2025
35AQI
35AQI
30th June 2025
29AQI
29AQI
1st July 2025
26AQI
26AQI
2nd July 2025
29AQI
29AQI
3rd July 2025
30AQI
30AQI
4th July 2025
41AQI
41AQI
5th July 2025
54AQI
54AQI
6th July 2025
56AQI
56AQI
7th July 2025
49AQI
49AQI
8th July 2025
51AQI
51AQI
9th July 2025
43AQI
43AQI
10th July 2025
52AQI
52AQI
11th July 2025
52AQI
52AQI
12th July 2025
54AQI
54AQI
13th July 2025
48AQI
48AQI
14th July 2025
48AQI
48AQI
15th July 2025
49AQI
49AQI
16th July 2025
52AQI
52AQI
17th July 2025
53AQI
53AQI
18th July 2025
57AQI
57AQI
19th July 2025
56AQI
56AQI
20th July 2025
54AQI
54AQI
21st July 2025
55AQI
55AQI
22nd July 2025
55AQI
55AQI
23rd July 2025
54AQI
54AQI
24th July 2025
49AQI
49AQI
25th July 2025
44AQI
44AQI
26th July 2025
49AQI
49AQI
27th July 2025
42AQI
42AQI
28th July 2025
37AQI
37AQI
29th July 2025
36AQI
36AQI
30th July 2025
32AQI
32AQI
31st July 2025
35AQI
35AQI
1st August 2025
33AQI
33AQI
2nd August 2025
38AQI
38AQI
3rd August 2025
31AQI
31AQI
4th August 2025
42AQI
42AQI
5th August 2025
45AQI
45AQI
6th August 2025
40AQI
40AQI
7th August 2025
35AQI
35AQI
8th August 2025
42AQI
42AQI
9th August 2025
51AQI
51AQI
10th August 2025
54AQI
54AQI
11th August 2025
46AQI
46AQI
12th August 2025
39AQI
39AQI
13th August 2025
46AQI
46AQI
14th August 2025
56AQI
56AQI
15th August 2025
37AQI
37AQI
16th August 2025
45AQI
45AQI
17th August 2025
51AQI
51AQI
18th August 2025
29AQI
29AQI
19th August 2025
31AQI
31AQI
20th August 2025
35AQI
35AQI
21st August 2025
40AQI
40AQI
22nd August 2025
46AQI
46AQI
23rd August 2025
44AQI
44AQI
24th August 2025
38AQI
38AQI
25th August 2025
40AQI
40AQI
26th August 2025
42AQI
42AQI
27th August 2025
34AQI
34AQI
28th August 2025
30AQI
30AQI
29th August 2025
43AQI
43AQI
30th August 2025
39AQI
39AQI
31st August 2025
42AQI
42AQI
1st September 2025
37AQI
37AQI
2nd September 2025
33AQI
33AQI
3rd September 2025
34AQI
34AQI
4th September 2025
42AQI
42AQI
5th September 2025
39AQI
39AQI
6th September 2025
52AQI
52AQI
7th September 2025
45AQI
45AQI
8th September 2025
54AQI
54AQI
9th September 2025
48AQI
48AQI
10th September 2025
40AQI
40AQI
11th September 2025
26AQI
26AQI
12th September 2025
25AQI
25AQI
13th September 2025
27AQI
27AQI
14th September 2025
42AQI
42AQI
15th September 2025
43AQI
43AQI
16th September 2025
53AQI
53AQI
17th September 2025
43AQI
43AQI
18th September 2025
37AQI
37AQI
19th September 2025
34AQI
34AQI
20th September 2025
31AQI
31AQI
21st September 2025
30AQI
30AQI
22nd September 2025
35AQI
35AQI
23rd September 2025
40AQI
40AQI
24th September 2025
39AQI
39AQI
25th September 2025
32AQI
32AQI
26th September 2025
60AQI
60AQI
27th September 2025
53AQI
53AQI
28th September 2025
53AQI
53AQI
29th September 2025
41AQI
41AQI
30th September 2025
66AQI
66AQI
1st October 2025
68AQI
68AQI
2nd October 2025
60AQI
60AQI
3rd October 2025
48AQI
48AQI
4th October 2025
67AQI
67AQI
5th October 2025
53AQI
53AQI
6th October 2025
51AQI
51AQI
7th October 2025
56AQI
56AQI
8th October 2025
37AQI
37AQI
9th October 2025
49AQI
49AQI
10th October 2025
51AQI
51AQI
11th October 2025
50AQI
50AQI
12th October 2025
56AQI
56AQI
13th October 2025
54AQI
54AQI
14th October 2025
54AQI
54AQI
15th October 2025
48AQI
48AQI
16th October 2025
62AQI
62AQI
17th October 2025
76AQI
76AQI
18th October 2025
69AQI
69AQI
19th October 2025
64AQI
64AQI
20th October 2025
66AQI
66AQI
21st October 2025
63AQI
63AQI
22nd October 2025
43AQI
43AQI
23rd October 2025
51AQI
51AQI
24th October 2025
65AQI
65AQI
25th October 2025
72AQI
72AQI
26th October 2025
66AQI
66AQI
27th October 2025
58AQI
58AQI
28th October 2025
56AQI
56AQI
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
74AQI
62AQI
69AQI
75AQI
69AQI
41AQI
47AQI
41AQI
41AQI
58AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202558AQI
30
1
5
23
31
30
31
18
12
17
14
27
4
23
7
6
22
96
204
1
Highest AQI recorded in
April75AQI
Lowest AQI recorded in
August41AQI
202449AQI
16
2
5
3
2
10
7
22
24
7
23
8
16
12
20
11
13
17
30
1
131
117
1
Highest AQI recorded in
December76AQI
Lowest AQI recorded in
January4AQI
202341AQI
10
21
13
13
11
20
13
9
20
8
5
8
9
18
2
3
31
133
81
Highest AQI recorded in
January55AQI
Lowest AQI recorded in
December4AQI
202243AQI
19
11
11
11
6
19
10
7
9
20
27
3
23
1
29
25
6
29
1
17
14
206
92
Highest AQI recorded in
May58AQI
Lowest AQI recorded in
September28AQI
202142AQI
20
10
11
17
4
7
11
13
1
14
5
17
20
30
29
2
18
12
8
23
182
89
1
Highest AQI recorded in
December57AQI
Lowest AQI recorded in
June22AQI
202035AQI
26
30
1
31
30
27
4
15
15
20
11
179
31
Highest AQI recorded in
November48AQI
Lowest AQI recorded in
September22AQI
Most & Least Polluted Years Over the Last 6 Years
Most Polluted Year Recorded
2025(Avg.)
58AQILeast Polluted Year Recorded
2020(Avg.)
35AQIChalco's annual 2025 AQI (58) shows an average percentage change of 38.2% (worsened AQI) compared to previous years: 2020 (35), 2021 (42), 2022 (43), 2023 (41), 2024 (49).
