Santa Tecla, La Libertad, El Salvador 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
Santa Tecla, La Libertad, El Salvador
2024
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
13th Oct 2025
76AQILowest AQI recorded on
16th Oct 2024
9AQISame Day Analysis (15th October ):
On this day, AQI across the 2 years varied significantly: 2025 ranks 1st highest AQI at 65 of Moderate air quality on the same day.
Download 2024 Annual Data
World Air Quality Report
Day & Night AQI Trend: 15th Oct - 16th Oct 2025
Santa Tecla, La Libertad, El Salvador
AQI
Day
Night
.
5 AM15th Oct 2025
5 PM
4 AM16th Oct 2025
Day time
Avg. Highest Time
3PM15th Oct
73AQI
Avg. Lowest Time
1PM15th Oct
55AQI
Night time
Avg. Highest Time
2AM16th Oct
80AQI
Avg. Lowest Time
6PM15th Oct
54AQI
In the last 24 hours,
Santa Tecla's AQI reached its highest point of 80 at 2 AM during the Night, while the lowest point, 54, was recorded at 6 PM during the Night between 15th Oct and 16th Oct 2025.
Day & Night AQI Trend : Sep - Oct 2025
Santa Tecla, La Libertad, El Salvador
SepOct
16th - 17th17th - 18th18th - 19th19th - 20th20th - 21st21st - 22nd22nd - 23rd23rd - 24th24th - 25th25th - 26th26th - 27th27th - 28th28th - 29th29th - 30th30th - 01st01st - 02nd02nd - 03rd03rd - 04th04th - 05th05th - 06th06th - 07th07th - 08th08th - 09th09th - 10th10th - 11th11th - 12th12th - 13th13th - 14th14th - 15th15th - 16th16th
Day
Night
16th Sep 2025505 AMAQI
16th Sep 2025556 AMAQI
16th Sep 2025527 AMAQI
16th Sep 2025538 AMAQI
16th Sep 2025549 AMAQI
16th Sep 20255310 AMAQI
16th Sep 20255411 AMAQI
16th Sep 20255212 PMAQI
16th Sep 2025521 PMAQI
16th Sep 2025512 PMAQI
16th Sep 2025513 PMAQI
16th Sep 2025544 PMAQI
16th Sep 2025525 PMAQI
16th Sep 2025516 PMAQI
16th Sep 2025527 PMAQI
16th Sep 2025568 PMAQI
16th Sep 2025539 PMAQI
16th Sep 20255010 PMAQI
16th Sep 20254111 PMAQI
17th Sep 20254212 AMAQI
17th Sep 2025391 AMAQI
17th Sep 2025472 AMAQI
17th Sep 2025543 AMAQI
17th Sep 2025514 AMAQI
24°C21/28°C
17th Sep 2025545 AMAQI
17th Sep 2025546 AMAQI
17th Sep 2025507 AMAQI
17th Sep 2025508 AMAQI
17th Sep 2025449 AMAQI
17th Sep 20254610 AMAQI
17th Sep 20254311 AMAQI
17th Sep 20254412 PMAQI
17th Sep 2025451 PMAQI
17th Sep 2025472 PMAQI
17th Sep 2025473 PMAQI
17th Sep 2025474 PMAQI
17th Sep 2025485 PMAQI
17th Sep 2025496 PMAQI
17th Sep 2025507 PMAQI
17th Sep 2025508 PMAQI
17th Sep 2025489 PMAQI
17th Sep 20254710 PMAQI
17th Sep 20255211 PMAQI
18th Sep 20254512 AMAQI
18th Sep 2025431 AMAQI
18th Sep 2025392 AMAQI
18th Sep 2025303 AMAQI
18th Sep 2025254 AMAQI
23°C19/28°C
18th Sep 2025315 AMAQI
18th Sep 2025376 AMAQI
18th Sep 2025377 AMAQI
18th Sep 2025388 AMAQI
18th Sep 2025469 AMAQI
18th Sep 20254510 AMAQI
18th Sep 20254511 AMAQI
18th Sep 20255012 PMAQI
18th Sep 2025461 PMAQI
18th Sep 2025422 PMAQI
18th Sep 2025413 PMAQI
18th Sep 2025404 PMAQI
18th Sep 2025405 PMAQI
18th Sep 2025446 PMAQI
18th Sep 2025417 PMAQI
18th Sep 2025458 PMAQI
18th Sep 2025439 PMAQI
18th Sep 20254010 PMAQI
18th Sep 20254011 PMAQI
19th Sep 20254412 AMAQI
19th Sep 2025381 AMAQI
19th Sep 2025382 AMAQI
19th Sep 2025323 AMAQI
19th Sep 2025424 AMAQI
22°C19/26°C
19th Sep 2025445 AMAQI
19th Sep 2025466 AMAQI
19th Sep 2025547 AMAQI
19th Sep 2025498 AMAQI
19th Sep 2025509 AMAQI
19th Sep 20254710 AMAQI
19th Sep 20254511 AMAQI
19th Sep 20254212 PMAQI
19th Sep 2025411 PMAQI
19th Sep 2025412 PMAQI
19th Sep 2025423 PMAQI
19th Sep 2025414 PMAQI
19th Sep 2025425 PMAQI
19th Sep 2025406 PMAQI
19th Sep 2025397 PMAQI
19th Sep 2025408 PMAQI
19th Sep 2025429 PMAQI
19th Sep 20254210 PMAQI
19th Sep 20253911 PMAQI
20th Sep 20253912 AMAQI
20th Sep 2025341 AMAQI
20th Sep 2025272 AMAQI
20th Sep 2025293 AMAQI
20th Sep 2025344 AMAQI
21°C20/21°C
20th Sep 2025365 AMAQI
20th Sep 2025366 AMAQI
20th Sep 2025367 AMAQI
20th Sep 2025448 AMAQI
20th Sep 2025369 AMAQI
20th Sep 20254410 AMAQI
20th Sep 20254211 AMAQI
20th Sep 20254312 PMAQI
20th Sep 2025431 PMAQI
20th Sep 2025422 PMAQI
20th Sep 2025413 PMAQI
20th Sep 2025414 PMAQI
20th Sep 2025405 PMAQI
20th Sep 2025446 PMAQI
20th Sep 2025417 PMAQI
20th Sep 2025428 PMAQI
20th Sep 2025449 PMAQI
20th Sep 20255010 PMAQI
20th Sep 20255211 PMAQI
21st Sep 20254812 AMAQI
21st Sep 2025481 AMAQI
21st Sep 2025482 AMAQI
21st Sep 2025443 AMAQI
21st Sep 2025374 AMAQI
23°C20/26°C
21st Sep 2025365 AMAQI
21st Sep 2025476 AMAQI
21st Sep 2025427 AMAQI
21st Sep 2025388 AMAQI
21st Sep 2025469 AMAQI
21st Sep 20255110 AMAQI
21st Sep 20254811 AMAQI
21st Sep 20254312 PMAQI
21st Sep 2025451 PMAQI
21st Sep 2025442 PMAQI
21st Sep 2025443 PMAQI
21st Sep 2025464 PMAQI
21st Sep 2025445 PMAQI
21st Sep 2025476 PMAQI
21st Sep 2025487 PMAQI
21st Sep 2025428 PMAQI
21st Sep 2025449 PMAQI
21st Sep 20254310 PMAQI
21st Sep 20254311 PMAQI
22nd Sep 20254212 AMAQI
22nd Sep 2025351 AMAQI
22nd Sep 2025372 AMAQI
22nd Sep 2025403 AMAQI
22nd Sep 2025384 AMAQI
23°C21/27°C
22nd Sep 2025485 AMAQI
22nd Sep 2025466 AMAQI
22nd Sep 2025387 AMAQI
22nd Sep 2025468 AMAQI
22nd Sep 2025489 AMAQI
22nd Sep 20254410 AMAQI
22nd Sep 20254011 AMAQI
22nd Sep 20254212 PMAQI
22nd Sep 2025421 PMAQI
22nd Sep 2025412 PMAQI
22nd Sep 2025423 PMAQI
22nd Sep 2025404 PMAQI
22nd Sep 2025415 PMAQI
22nd Sep 2025406 PMAQI
22nd Sep 2025407 PMAQI
22nd Sep 2025398 PMAQI
22nd Sep 2025389 PMAQI
22nd Sep 20253910 PMAQI
22nd Sep 20254211 PMAQI
23rd Sep 20254212 AMAQI
23rd Sep 2025431 AMAQI
23rd Sep 2025442 AMAQI
23rd Sep 2025423 AMAQI
23rd Sep 2025434 AMAQI
21°C19/24°C
23rd Sep 2025425 AMAQI
23rd Sep 2025406 AMAQI
23rd Sep 2025457 AMAQI
23rd Sep 2025508 AMAQI
23rd Sep 2025519 AMAQI
23rd Sep 20255310 AMAQI
23rd Sep 20255211 AMAQI
23rd Sep 20254612 PMAQI
23rd Sep 2025441 PMAQI
23rd Sep 2025472 PMAQI
23rd Sep 2025453 PMAQI
23rd Sep 2025454 PMAQI
23rd Sep 2025465 PMAQI
23rd Sep 2025466 PMAQI
23rd Sep 2025457 PMAQI
23rd Sep 2025488 PMAQI
23rd Sep 2025499 PMAQI
23rd Sep 20254710 PMAQI
23rd Sep 20254811 PMAQI
24th Sep 20255012 AMAQI
24th Sep 2025541 AMAQI
24th Sep 2025492 AMAQI
24th Sep 2025473 AMAQI
24th Sep 2025434 AMAQI
23°C20/27°C
24th Sep 2025475 AMAQI
24th Sep 2025516 AMAQI
24th Sep 2025487 AMAQI
24th Sep 2025488 AMAQI
24th Sep 2025489 AMAQI
24th Sep 20254210 AMAQI
24th Sep 20253811 AMAQI
24th Sep 20254212 PMAQI
24th Sep 2025401 PMAQI
24th Sep 2025422 PMAQI
24th Sep 2025433 PMAQI
24th Sep 2025424 PMAQI
24th Sep 2025395 PMAQI
24th Sep 2025436 PMAQI
24th Sep 2025447 PMAQI
24th Sep 2025468 PMAQI
24th Sep 2025449 PMAQI
24th Sep 20254210 PMAQI
24th Sep 20253711 PMAQI
25th Sep 20253212 AMAQI
25th Sep 2025331 AMAQI
25th Sep 2025342 AMAQI
25th Sep 2025343 AMAQI
25th Sep 2025304 AMAQI
25°C22/28°C
25th Sep 2025275 AMAQI
25th Sep 2025286 AMAQI
25th Sep 2025357 AMAQI
25th Sep 2025538 AMAQI
25th Sep 2025429 AMAQI
25th Sep 20253310 AMAQI
25th Sep 20253211 AMAQI
25th Sep 20253512 PMAQI
25th Sep 2025361 PMAQI
25th Sep 2025272 PMAQI
25th Sep 2025283 PMAQI
25th Sep 2025284 PMAQI
25th Sep 2025275 PMAQI
25th Sep 2025366 PMAQI
25th Sep 2025677 PMAQI
25th Sep 2025768 PMAQI
25th Sep 2025679 PMAQI
25th Sep 20255910 PMAQI
25th Sep 20255811 PMAQI
26th Sep 20255612 AMAQI
26th Sep 2025401 AMAQI
26th Sep 2025372 AMAQI
26th Sep 2025323 AMAQI
26th Sep 2025344 AMAQI
25°C22/28°C
26th Sep 2025355 AMAQI
26th Sep 2025346 AMAQI
26th Sep 2025447 AMAQI
26th Sep 2025448 AMAQI
26th Sep 2025499 AMAQI
26th Sep 20253610 AMAQI
26th Sep 20253011 AMAQI
26th Sep 20253612 PMAQI
26th Sep 2025551 PMAQI
26th Sep 2025602 PMAQI
26th Sep 2025553 PMAQI
26th Sep 2025534 PMAQI
26th Sep 2025685 PMAQI
26th Sep 2025796 PMAQI
26th Sep 2025747 PMAQI
26th Sep 2025738 PMAQI
26th Sep 2025769 PMAQI
26th Sep 20257810 PMAQI
26th Sep 20257511 PMAQI
27th Sep 20256912 AMAQI
27th Sep 2025611 AMAQI
27th Sep 2025512 AMAQI
27th Sep 2025463 AMAQI
27th Sep 2025394 AMAQI
24°C22/27°C
27th Sep 2025415 AMAQI
27th Sep 2025426 AMAQI
27th Sep 2025447 AMAQI
27th Sep 2025428 AMAQI
27th Sep 2025539 AMAQI
27th Sep 20255210 AMAQI
27th Sep 20253411 AMAQI
27th Sep 20252912 PMAQI
27th Sep 2025421 PMAQI
27th Sep 2025422 PMAQI
27th Sep 2025363 PMAQI
27th Sep 2025364 PMAQI
27th Sep 2025475 PMAQI
27th Sep 2025546 PMAQI
27th Sep 2025557 PMAQI
27th Sep 2025588 PMAQI
27th Sep 2025579 PMAQI
27th Sep 20255910 PMAQI
27th Sep 20256011 PMAQI
28th Sep 20255812 AMAQI
28th Sep 2025421 AMAQI
28th Sep 2025232 AMAQI
28th Sep 2025243 AMAQI
28th Sep 2025264 AMAQI
23°C21/26°C
28th Sep 2025235 AMAQI
28th Sep 2025256 AMAQI
28th Sep 2025267 AMAQI
28th Sep 2025258 AMAQI
28th Sep 2025359 AMAQI
28th Sep 20253010 AMAQI
28th Sep 20253011 AMAQI
28th Sep 20253212 PMAQI
28th Sep 2025321 PMAQI
28th Sep 2025342 PMAQI
28th Sep 2025423 PMAQI
28th Sep 2025284 PMAQI
28th Sep 2025325 PMAQI
28th Sep 2025426 PMAQI
28th Sep 2025487 PMAQI
28th Sep 2025458 PMAQI
28th Sep 2025499 PMAQI
28th Sep 20253510 PMAQI
28th Sep 20254011 PMAQI
29th Sep 20254112 AMAQI
29th Sep 2025421 AMAQI
29th Sep 2025362 AMAQI
29th Sep 2025383 AMAQI
29th Sep 2025394 AMAQI
23°C20/27°C
29th Sep 2025355 AMAQI
29th Sep 2025416 AMAQI
29th Sep 2025467 AMAQI
29th Sep 2025588 AMAQI
29th Sep 2025469 AMAQI
29th Sep 20255010 AMAQI
29th Sep 20254111 AMAQI
29th Sep 20254412 PMAQI
29th Sep 2025531 PMAQI
29th Sep 2025502 PMAQI
29th Sep 2025373 PMAQI
29th Sep 2025364 PMAQI
29th Sep 2025455 PMAQI
29th Sep 2025556 PMAQI
29th Sep 2025587 PMAQI
29th Sep 2025668 PMAQI
29th Sep 2025729 PMAQI
29th Sep 20256210 PMAQI
29th Sep 20255711 PMAQI
30th Sep 20255712 AMAQI
30th Sep 2025491 AMAQI
30th Sep 2025452 AMAQI
30th Sep 2025493 AMAQI
30th Sep 2025484 AMAQI
23°C21/26°C
30th Sep 2025505 AMAQI
30th Sep 2025506 AMAQI
30th Sep 2025467 AMAQI
30th Sep 2025378 AMAQI
30th Sep 2025449 AMAQI
30th Sep 20254710 AMAQI
30th Sep 20254811 AMAQI
30th Sep 20253412 PMAQI
30th Sep 2025321 PMAQI
30th Sep 2025382 PMAQI
30th Sep 2025533 PMAQI
30th Sep 2025584 PMAQI
30th Sep 2025615 PMAQI
30th Sep 2025666 PMAQI
30th Sep 2025667 PMAQI
30th Sep 2025548 PMAQI
30th Sep 2025519 PMAQI
30th Sep 20255310 PMAQI
30th Sep 20255211 PMAQI
1st Oct 20255312 AMAQI
1st Oct 2025531 AMAQI
1st Oct 2025542 AMAQI
1st Oct 2025573 AMAQI
1st Oct 2025574 AMAQI
22°C20/26°C
1st Oct 2025525 AMAQI
1st Oct 2025506 AMAQI
1st Oct 2025597 AMAQI
1st Oct 2025708 AMAQI
1st Oct 2025579 AMAQI
1st Oct 20255410 AMAQI
1st Oct 20255411 AMAQI
1st Oct 20255012 PMAQI
1st Oct 2025471 PMAQI
1st Oct 2025642 PMAQI
1st Oct 2025513 PMAQI
1st Oct 2025574 PMAQI
1st Oct 2025565 PMAQI
1st Oct 2025636 PMAQI
1st Oct 2025657 PMAQI
1st Oct 2025708 PMAQI
1st Oct 2025709 PMAQI
1st Oct 20257510 PMAQI
1st Oct 20257511 PMAQI
2nd Oct 20256612 AMAQI
2nd Oct 2025571 AMAQI
2nd Oct 2025692 AMAQI
2nd Oct 2025623 AMAQI
2nd Oct 2025594 AMAQI
23°C19/27°C
2nd Oct 2025605 AMAQI
2nd Oct 2025606 AMAQI
2nd Oct 2025617 AMAQI
2nd Oct 2025618 AMAQI
2nd Oct 2025549 AMAQI
2nd Oct 20256010 AMAQI
2nd Oct 20255511 AMAQI
2nd Oct 20255412 PMAQI
2nd Oct 2025461 PMAQI
2nd Oct 2025562 PMAQI
2nd Oct 2025603 PMAQI
2nd Oct 2025614 PMAQI
2nd Oct 2025785 PMAQI
2nd Oct 2025706 PMAQI
2nd Oct 2025617 PMAQI
2nd Oct 2025598 PMAQI
2nd Oct 2025709 PMAQI
2nd Oct 20257110 PMAQI
2nd Oct 20257911 PMAQI
3rd Oct 20257112 AMAQI
3rd Oct 2025611 AMAQI
3rd Oct 2025582 AMAQI
3rd Oct 2025543 AMAQI
3rd Oct 2025554 AMAQI
23°C20/26°C
3rd Oct 2025475 AMAQI
3rd Oct 2025596 AMAQI
3rd Oct 2025677 AMAQI
3rd Oct 2025668 AMAQI
3rd Oct 2025589 AMAQI
3rd Oct 20256710 AMAQI
3rd Oct 20256011 AMAQI
3rd Oct 20255312 PMAQI
3rd Oct 2025541 PMAQI
3rd Oct 2025532 PMAQI
3rd Oct 2025483 PMAQI
3rd Oct 2025574 PMAQI
3rd Oct 2025565 PMAQI
3rd Oct 2025776 PMAQI
3rd Oct 2025747 PMAQI
3rd Oct 2025538 PMAQI
3rd Oct 2025619 PMAQI
3rd Oct 20256310 PMAQI
3rd Oct 20256611 PMAQI
4th Oct 20256412 AMAQI
4th Oct 2025521 AMAQI
4th Oct 2025572 AMAQI
4th Oct 2025583 AMAQI
4th Oct 2025574 AMAQI
23°C21/25°C
4th Oct 2025555 AMAQI
4th Oct 2025566 AMAQI
4th Oct 2025557 AMAQI
4th Oct 2025658 AMAQI
4th Oct 2025639 AMAQI
4th Oct 20255210 AMAQI
4th Oct 20255511 AMAQI
4th Oct 20254812 PMAQI
4th Oct 2025571 PMAQI
4th Oct 2025622 PMAQI
4th Oct 2025563 PMAQI
4th Oct 2025714 PMAQI
4th Oct 2025675 PMAQI
4th Oct 2025736 PMAQI
4th Oct 2025617 PMAQI
4th Oct 2025638 PMAQI
4th Oct 2025599 PMAQI
4th Oct 20256110 PMAQI
4th Oct 20255911 PMAQI
5th Oct 20255212 AMAQI
5th Oct 2025501 AMAQI
5th Oct 2025552 AMAQI
5th Oct 2025633 AMAQI
5th Oct 2025624 AMAQI
23°C21/26°C
5th Oct 2025625 AMAQI
5th Oct 2025606 AMAQI
5th Oct 2025587 AMAQI
5th Oct 2025578 AMAQI
5th Oct 2025589 AMAQI
5th Oct 20255910 AMAQI
5th Oct 20255211 AMAQI
5th Oct 20255712 PMAQI
5th Oct 2025541 PMAQI
5th Oct 2025572 PMAQI
5th Oct 2025653 PMAQI
5th Oct 2025634 PMAQI
5th Oct 2025565 PMAQI
5th Oct 2025576 PMAQI
5th Oct 2025577 PMAQI
5th Oct 2025638 PMAQI
5th Oct 2025609 PMAQI
5th Oct 20256010 PMAQI
5th Oct 20255911 PMAQI
6th Oct 20255612 AMAQI
6th Oct 2025551 AMAQI
6th Oct 2025542 AMAQI
6th Oct 2025543 AMAQI
6th Oct 2025574 AMAQI
22°C20/25°C
6th Oct 2025565 AMAQI
6th Oct 2025656 AMAQI
6th Oct 2025767 AMAQI
6th Oct 2025718 AMAQI
6th Oct 2025699 AMAQI
6th Oct 20256210 AMAQI
6th Oct 20255811 AMAQI
21°C19/22°C
7th Oct 2025485 AMAQI
7th Oct 2025696 AMAQI
7th Oct 2025927 AMAQI
7th Oct 2025888 AMAQI
7th Oct 2025789 AMAQI
7th Oct 20258910 AMAQI
7th Oct 20257611 AMAQI
7th Oct 20256312 PMAQI
7th Oct 2025581 PMAQI
7th Oct 2025602 PMAQI
7th Oct 2025663 PMAQI
7th Oct 2025764 PMAQI
7th Oct 2025745 PMAQI
7th Oct 2025736 PMAQI
7th Oct 2025617 PMAQI
7th Oct 2025708 PMAQI
7th Oct 2025789 PMAQI
7th Oct 20257810 PMAQI
7th Oct 20257211 PMAQI
8th Oct 20256412 AMAQI
8th Oct 2025631 AMAQI
8th Oct 2025612 AMAQI
8th Oct 2025593 AMAQI
8th Oct 2025594 AMAQI
22°C20/23°C
8th Oct 2025585 AMAQI
8th Oct 2025586 AMAQI
8th Oct 2025557 AMAQI
8th Oct 2025458 AMAQI
8th Oct 2025569 AMAQI
8th Oct 20255610 AMAQI
8th Oct 20255111 AMAQI
8th Oct 20255012 PMAQI
8th Oct 2025531 PMAQI
8th Oct 2025462 PMAQI
8th Oct 2025523 PMAQI
8th Oct 2025544 PMAQI
8th Oct 2025585 PMAQI
8th Oct 2025656 PMAQI
8th Oct 2025677 PMAQI
8th Oct 2025598 PMAQI
8th Oct 2025679 PMAQI
8th Oct 20256710 PMAQI
8th Oct 20257211 PMAQI
9th Oct 20258012 AMAQI
9th Oct 2025841 AMAQI
9th Oct 2025792 AMAQI
9th Oct 2025763 AMAQI
9th Oct 2025694 AMAQI
23°C21/26°C
9th Oct 2025585 AMAQI
9th Oct 2025566 AMAQI
9th Oct 2025587 AMAQI
9th Oct 2025588 AMAQI
9th Oct 2025589 AMAQI
9th Oct 20256510 AMAQI
9th Oct 20257411 AMAQI
9th Oct 20257212 PMAQI
9th Oct 2025631 PMAQI
9th Oct 2025652 PMAQI
9th Oct 2025723 PMAQI
9th Oct 2025754 PMAQI
9th Oct 2025785 PMAQI
9th Oct 2025606 PMAQI
9th Oct 2025607 PMAQI
9th Oct 2025648 PMAQI
9th Oct 2025639 PMAQI
9th Oct 20255910 PMAQI
9th Oct 20255911 PMAQI
10th Oct 20256312 AMAQI
10th Oct 2025661 AMAQI
10th Oct 2025692 AMAQI
10th Oct 2025703 AMAQI
10th Oct 2025684 AMAQI
23°C21/27°C
10th Oct 2025745 AMAQI
10th Oct 2025706 AMAQI
10th Oct 2025587 AMAQI
10th Oct 2025728 AMAQI
10th Oct 2025709 AMAQI
10th Oct 20257310 AMAQI
10th Oct 20256811 AMAQI
10th Oct 20256012 PMAQI
10th Oct 2025651 PMAQI
10th Oct 2025752 PMAQI
10th Oct 2025743 PMAQI
10th Oct 2025814 PMAQI
10th Oct 2025825 PMAQI
10th Oct 2025756 PMAQI
10th Oct 2025647 PMAQI
10th Oct 2025628 PMAQI
10th Oct 2025549 PMAQI
10th Oct 20255910 PMAQI
10th Oct 20255811 PMAQI
11th Oct 20256612 AMAQI
11th Oct 2025671 AMAQI
11th Oct 2025682 AMAQI
11th Oct 2025623 AMAQI
11th Oct 2025734 AMAQI
23°C20/27°C
11th Oct 2025685 AMAQI
11th Oct 2025626 AMAQI
11th Oct 2025677 AMAQI
11th Oct 2025658 AMAQI
11th Oct 2025649 AMAQI
11th Oct 20256010 AMAQI
11th Oct 20255811 AMAQI
11th Oct 20256012 PMAQI
11th Oct 2025651 PMAQI
11th Oct 2025652 PMAQI
11th Oct 2025663 PMAQI
11th Oct 2025594 PMAQI
11th Oct 2025655 PMAQI
11th Oct 2025676 PMAQI
11th Oct 2025617 PMAQI
11th Oct 2025618 PMAQI
11th Oct 2025579 PMAQI
11th Oct 20257510 PMAQI
11th Oct 20259111 PMAQI
12th Oct 20257712 AMAQI
12th Oct 2025581 AMAQI
12th Oct 2025592 AMAQI
12th Oct 2025603 AMAQI
12th Oct 2025824 AMAQI
22°C21/25°C
12th Oct 2025875 AMAQI
12th Oct 2025946 AMAQI
12th Oct 2025857 AMAQI
12th Oct 2025828 AMAQI
12th Oct 2025849 AMAQI
12th Oct 20257610 AMAQI
12th Oct 20257211 AMAQI
12th Oct 20257312 PMAQI
12th Oct 2025701 PMAQI
12th Oct 2025712 PMAQI
12th Oct 2025783 PMAQI
12th Oct 2025634 PMAQI
12th Oct 2025575 PMAQI
12th Oct 2025526 PMAQI
12th Oct 2025597 PMAQI
12th Oct 2025648 PMAQI
12th Oct 2025679 PMAQI
12th Oct 20257310 PMAQI
12th Oct 20257011 PMAQI
13th Oct 20258212 AMAQI
13th Oct 2025861 AMAQI
13th Oct 2025832 AMAQI
13th Oct 2025763 AMAQI
13th Oct 2025734 AMAQI
23°C21/26°C
13th Oct 2025785 AMAQI
13th Oct 2025786 AMAQI
13th Oct 2025857 AMAQI
13th Oct 2025958 AMAQI
13th Oct 20251019 AMAQI
13th Oct 20258910 AMAQI
13th Oct 20257811 AMAQI
13th Oct 20256512 PMAQI
13th Oct 2025591 PMAQI
13th Oct 2025532 PMAQI
13th Oct 2025863 PMAQI
13th Oct 2025824 PMAQI
13th Oct 2025685 PMAQI
13th Oct 2025656 PMAQI
13th Oct 2025687 PMAQI
13th Oct 2025658 PMAQI
13th Oct 2025669 PMAQI
13th Oct 20256610 PMAQI
13th Oct 20256911 PMAQI
14th Oct 20257212 AMAQI
14th Oct 2025751 AMAQI
14th Oct 2025722 AMAQI
14th Oct 2025673 AMAQI
14th Oct 2025654 AMAQI
22°C20/24°C
14th Oct 2025605 AMAQI
14th Oct 2025646 AMAQI
14th Oct 2025657 AMAQI
14th Oct 2025668 AMAQI
14th Oct 2025679 AMAQI
14th Oct 20256410 AMAQI
14th Oct 20255211 AMAQI
14th Oct 20255712 PMAQI
14th Oct 2025581 PMAQI
14th Oct 2025522 PMAQI
14th Oct 2025673 PMAQI
14th Oct 2025694 PMAQI
14th Oct 2025765 PMAQI
14th Oct 2025766 PMAQI
14th Oct 2025737 PMAQI
14th Oct 2025738 PMAQI
14th Oct 2025699 PMAQI
14th Oct 20256910 PMAQI
14th Oct 20257411 PMAQI
15th Oct 20257212 AMAQI
15th Oct 2025681 AMAQI
15th Oct 2025762 AMAQI
15th Oct 2025693 AMAQI
15th Oct 2025604 AMAQI
21°C19/24°C
15th Oct 2025665 AMAQI
15th Oct 2025666 AMAQI
15th Oct 2025717 AMAQI
15th Oct 2025698 AMAQI
15th Oct 2025719 AMAQI
15th Oct 20257110 AMAQI
15th Oct 20256011 AMAQI
15th Oct 20255612 PMAQI
15th Oct 2025551 PMAQI
15th Oct 2025632 PMAQI
15th Oct 2025733 PMAQI
15th Oct 2025714 PMAQI
15th Oct 2025645 PMAQI
15th Oct 2025546 PMAQI
15th Oct 2025557 PMAQI
15th Oct 2025598 PMAQI
15th Oct 2025609 PMAQI
15th Oct 20256210 PMAQI
15th Oct 20256811 PMAQI
16th Oct 20257512 AMAQI
16th Oct 2025781 AMAQI
16th Oct 2025802 AMAQI
16th Oct 2025753 AMAQI
16th Oct 2025784 AMAQI
23°C21/26°C
16th Oct 2025735 AMAQI
5 AM16th Oct 2025746 AMAQI
16th Oct 2025717 AMAQI
16th Oct 2025698 AMAQI
16th Oct 2025699 AMAQI
16th Oct 20256610 AMAQI
16th Oct 20256711 AMAQI
11 AM16th Oct 20257812 PMAQI
16th Oct 2025791 PMAQI
16th Oct 2025712 PMAQI
16th Oct 2025703 PMAQI
16th Oct 2025634 PMAQI
16th Oct 2025685 PMAQI
5 PM11 PM
4 AM
--°C/°C
Day time
Avg. Highest Time
7 AM - 10 AM
57AQI
4 hours / Day
120 hours / Month
Avg. Lowest Time
12 PM - 2 PM
51AQI
3 hours / Day
90 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 7 AM to 10 AM (Avg. 57), while the lowest AQI was between 12 PM to 2 PM (Avg. 51).
Night time
Avg. Highest Time
6 PM - 11 PM
58AQI
6 hours / Day
180 hours / Month
Avg. Lowest Time
3 AM - 4 AM
52AQI
2 hours / Day
60 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 6 PM to 11 PM (Avg. 58), while the lowest AQI was between 3 AM to 4 AM (Avg. 52).
2025 Days Vs Air Quality
Santa Tecla, La Libertad, El Salvador
2025
42%
121
58%
167
Total number of days with different AQI categories in last 289 days in 2025 (76 days remaining)
Good
121 DaysModerate
167 DaysPoor
0 DaysUnhealthy
0 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 42%
Health Risk Level:
Significant
In 2025, 42% of 289 days were within WHO’s safe air quality limits, and 58% exceeded them. The risk of health issues is Significant, especially for those with existing respiratory or heart conditions.
Annual Air Quality Insights
Santa Tecla, La Libertad, El Salvador
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
58AQI
58AQI
2nd January 2025
54AQI
54AQI
3rd January 2025
57AQI
57AQI
4th January 2025
54AQI
54AQI
5th January 2025
55AQI
55AQI
6th January 2025
59AQI
59AQI
7th January 2025
60AQI
60AQI
8th January 2025
56AQI
56AQI
9th January 2025
56AQI
56AQI
10th January 2025
55AQI
55AQI
11th January 2025
54AQI
54AQI
12th January 2025
55AQI
55AQI
13th January 2025
56AQI
56AQI
14th January 2025
53AQI
53AQI
15th January 2025
53AQI
53AQI
16th January 2025
52AQI
52AQI
17th January 2025
53AQI
53AQI
18th January 2025
56AQI
56AQI
19th January 2025
55AQI
55AQI
20th January 2025
55AQI
55AQI
21st January 2025
53AQI
53AQI
22nd January 2025
54AQI
54AQI
23rd January 2025
54AQI
54AQI
24th January 2025
57AQI
57AQI
25th January 2025
56AQI
56AQI
26th January 2025
58AQI
58AQI
27th January 2025
56AQI
56AQI
28th January 2025
57AQI
57AQI
29th January 2025
56AQI
56AQI
30th January 2025
56AQI
56AQI
31st January 2025
56AQI
56AQI
1st February 2025
57AQI
57AQI
2nd February 2025
55AQI
55AQI
3rd February 2025
57AQI
57AQI
4th February 2025
56AQI
56AQI
5th February 2025
58AQI
58AQI
6th February 2025
61AQI
61AQI
7th February 2025
58AQI
58AQI
8th February 2025
59AQI
59AQI
9th February 2025
58AQI
58AQI
10th February 2025
58AQI
58AQI
11th February 2025
59AQI
59AQI
12th February 2025
58AQI
58AQI
13th February 2025
59AQI
59AQI
14th February 2025
58AQI
58AQI
15th February 2025
57AQI
57AQI
16th February 2025
56AQI
56AQI
17th February 2025
54AQI
54AQI
18th February 2025
53AQI
53AQI
19th February 2025
55AQI
55AQI
20th February 2025
55AQI
55AQI
21st February 2025
54AQI
54AQI
22nd February 2025
53AQI
53AQI
23rd February 2025
51AQI
51AQI
24th February 2025
49AQI
49AQI
25th February 2025
52AQI
52AQI
26th February 2025
53AQI
53AQI
27th February 2025
57AQI
57AQI
28th February 2025
54AQI
54AQI
1st March 2025
55AQI
55AQI
2nd March 2025
54AQI
54AQI
3rd March 2025
55AQI
55AQI
4th March 2025
53AQI
53AQI
5th March 2025
56AQI
56AQI
6th March 2025
55AQI
55AQI
7th March 2025
54AQI
54AQI
8th March 2025
54AQI
54AQI
9th March 2025
54AQI
54AQI
10th March 2025
53AQI
53AQI
11th March 2025
53AQI
53AQI
12th March 2025
56AQI
56AQI
13th March 2025
57AQI
57AQI
14th March 2025
55AQI
55AQI
15th March 2025
57AQI
57AQI
16th March 2025
54AQI
54AQI
17th March 2025
57AQI
57AQI
18th March 2025
58AQI
58AQI
19th March 2025
61AQI
61AQI
20th March 2025
59AQI
59AQI
21st March 2025
58AQI
58AQI
22nd March 2025
59AQI
59AQI
23rd March 2025
57AQI
57AQI
24th March 2025
57AQI
57AQI
25th March 2025
65AQI
65AQI
26th March 2025
61AQI
61AQI
27th March 2025
63AQI
63AQI
28th March 2025
62AQI
62AQI
29th March 2025
61AQI
61AQI
30th March 2025
59AQI
59AQI
31st March 2025
57AQI
57AQI
1st April 2025
57AQI
57AQI
2nd April 2025
58AQI
58AQI
3rd April 2025
58AQI
58AQI
4th April 2025
57AQI
57AQI
5th April 2025
56AQI
56AQI
6th April 2025
55AQI
55AQI
7th April 2025
53AQI
53AQI
8th April 2025
50AQI
50AQI
9th April 2025
52AQI
52AQI
10th April 2025
51AQI
51AQI
11th April 2025
53AQI
53AQI
12th April 2025
55AQI
55AQI
13th April 2025
60AQI
60AQI
14th April 2025
60AQI
60AQI
15th April 2025
62AQI
62AQI
16th April 2025
64AQI
64AQI
17th April 2025
60AQI
60AQI
18th April 2025
59AQI
59AQI
19th April 2025
56AQI
56AQI
20th April 2025
56AQI
56AQI
21st April 2025
57AQI
57AQI
22nd April 2025
57AQI
57AQI
23rd April 2025
56AQI
56AQI
24th April 2025
54AQI
54AQI
25th April 2025
54AQI
54AQI
26th April 2025
54AQI
54AQI
27th April 2025
53AQI
53AQI
28th April 2025
53AQI
53AQI
29th April 2025
56AQI
56AQI
30th April 2025
55AQI
55AQI
1st May 2025
57AQI
57AQI
2nd May 2025
58AQI
58AQI
3rd May 2025
59AQI
59AQI
4th May 2025
57AQI
57AQI
5th May 2025
57AQI
57AQI
6th May 2025
55AQI
55AQI
7th May 2025
55AQI
55AQI
8th May 2025
56AQI
56AQI
9th May 2025
56AQI
56AQI
10th May 2025
54AQI
54AQI
11th May 2025
51AQI
51AQI
12th May 2025
50AQI
50AQI
13th May 2025
49AQI
49AQI
14th May 2025
52AQI
52AQI
15th May 2025
53AQI
53AQI
16th May 2025
53AQI
53AQI
17th May 2025
54AQI
54AQI
18th May 2025
59AQI
59AQI
19th May 2025
53AQI
53AQI
20th May 2025
55AQI
55AQI
21st May 2025
56AQI
56AQI
22nd May 2025
55AQI
55AQI
23rd May 2025
54AQI
54AQI
24th May 2025
53AQI
53AQI
25th May 2025
51AQI
51AQI
26th May 2025
49AQI
49AQI
27th May 2025
50AQI
50AQI
28th May 2025
51AQI
51AQI
29th May 2025
48AQI
48AQI
30th May 2025
51AQI
51AQI
31st May 2025
48AQI
48AQI
1st June 2025
45AQI
45AQI
2nd June 2025
45AQI
45AQI
3rd June 2025
47AQI
47AQI
4th June 2025
46AQI
46AQI
5th June 2025
47AQI
47AQI
6th June 2025
47AQI
47AQI
7th June 2025
48AQI
48AQI
8th June 2025
41AQI
41AQI
9th June 2025
38AQI
38AQI
10th June 2025
43AQI
43AQI
11th June 2025
45AQI
45AQI
12th June 2025
45AQI
45AQI
13th June 2025
39AQI
39AQI
14th June 2025
36AQI
36AQI
15th June 2025
34AQI
34AQI
16th June 2025
35AQI
35AQI
17th June 2025
35AQI
35AQI
18th June 2025
35AQI
35AQI
19th June 2025
34AQI
34AQI
20th June 2025
33AQI
33AQI
21st June 2025
30AQI
30AQI
22nd June 2025
29AQI
29AQI
23rd June 2025
30AQI
30AQI
24th June 2025
26AQI
26AQI
25th June 2025
30AQI
30AQI
26th June 2025
32AQI
32AQI
27th June 2025
31AQI
31AQI
28th June 2025
31AQI
31AQI
29th June 2025
30AQI
30AQI
30th June 2025
32AQI
32AQI
1st July 2025
32AQI
32AQI
2nd July 2025
33AQI
33AQI
3rd July 2025
35AQI
35AQI
4th July 2025
37AQI
37AQI
5th July 2025
44AQI
44AQI
6th July 2025
46AQI
46AQI
7th July 2025
39AQI
39AQI
8th July 2025
37AQI
37AQI
9th July 2025
37AQI
37AQI
10th July 2025
38AQI
38AQI
11th July 2025
38AQI
38AQI
12th July 2025
40AQI
40AQI
13th July 2025
43AQI
43AQI
14th July 2025
37AQI
37AQI
15th July 2025
39AQI
39AQI
16th July 2025
41AQI
41AQI
17th July 2025
38AQI
38AQI
18th July 2025
32AQI
32AQI
19th July 2025
35AQI
35AQI
20th July 2025
37AQI
37AQI
21st July 2025
39AQI
39AQI
22nd July 2025
42AQI
42AQI
23rd July 2025
48AQI
48AQI
24th July 2025
41AQI
41AQI
25th July 2025
34AQI
34AQI
26th July 2025
34AQI
34AQI
27th July 2025
36AQI
36AQI
28th July 2025
30AQI
30AQI
29th July 2025
32AQI
32AQI
30th July 2025
37AQI
37AQI
31st July 2025
41AQI
41AQI
1st August 2025
51AQI
51AQI
2nd August 2025
47AQI
47AQI
3rd August 2025
45AQI
45AQI
4th August 2025
42AQI
42AQI
5th August 2025
44AQI
44AQI
6th August 2025
42AQI
42AQI
7th August 2025
34AQI
34AQI
8th August 2025
38AQI
38AQI
9th August 2025
46AQI
46AQI
10th August 2025
40AQI
40AQI
11th August 2025
37AQI
37AQI
12th August 2025
33AQI
33AQI
13th August 2025
41AQI
41AQI
14th August 2025
52AQI
52AQI
15th August 2025
50AQI
50AQI
16th August 2025
51AQI
51AQI
17th August 2025
45AQI
45AQI
18th August 2025
45AQI
45AQI
19th August 2025
46AQI
46AQI
20th August 2025
49AQI
49AQI
21st August 2025
41AQI
41AQI
22nd August 2025
46AQI
46AQI
23rd August 2025
55AQI
55AQI
24th August 2025
46AQI
46AQI
25th August 2025
42AQI
42AQI
26th August 2025
46AQI
46AQI
27th August 2025
44AQI
44AQI
28th August 2025
44AQI
44AQI
29th August 2025
51AQI
51AQI
30th August 2025
49AQI
49AQI
31st August 2025
45AQI
45AQI
1st September 2025
37AQI
37AQI
2nd September 2025
38AQI
38AQI
3rd September 2025
43AQI
43AQI
4th September 2025
43AQI
43AQI
5th September 2025
49AQI
49AQI
6th September 2025
52AQI
52AQI
7th September 2025
43AQI
43AQI
8th September 2025
48AQI
48AQI
9th September 2025
44AQI
44AQI
10th September 2025
43AQI
43AQI
11th September 2025
40AQI
40AQI
12th September 2025
45AQI
45AQI
13th September 2025
42AQI
42AQI
14th September 2025
50AQI
50AQI
15th September 2025
50AQI
50AQI
16th September 2025
53AQI
53AQI
17th September 2025
48AQI
48AQI
18th September 2025
40AQI
40AQI
19th September 2025
42AQI
42AQI
20th September 2025
39AQI
39AQI
21st September 2025
45AQI
45AQI
22nd September 2025
41AQI
41AQI
23rd September 2025
46AQI
46AQI
24th September 2025
45AQI
45AQI
25th September 2025
41AQI
41AQI
26th September 2025
52AQI
52AQI
27th September 2025
49AQI
49AQI
28th September 2025
35AQI
35AQI
29th September 2025
48AQI
48AQI
30th September 2025
51AQI
51AQI
1st October 2025
59AQI
59AQI
2nd October 2025
63AQI
63AQI
3rd October 2025
60AQI
60AQI
4th October 2025
59AQI
59AQI
5th October 2025
58AQI
58AQI
6th October 2025
55AQI
55AQI
7th October 2025
73AQI
73AQI
8th October 2025
59AQI
59AQI
9th October 2025
68AQI
68AQI
10th October 2025
67AQI
67AQI
11th October 2025
66AQI
66AQI
12th October 2025
69AQI
69AQI
13th October 2025
76AQI
76AQI
14th October 2025
68AQI
68AQI
15th October 2025
65AQI
65AQI
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
55AQI
56AQI
57AQI
56AQI
54AQI
37AQI
38AQI
45AQI
45AQI
64AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202550AQI
31
1
27
31
1
29
6
25
30
31
26
5
26
4
15
121
167
Highest AQI recorded in
October64AQI
Lowest AQI recorded in
June37AQI
202447AQI
15
1
1
1
1
2
10
12
18
26
5
22
9
3
21
2
15
15
1
30
118
92
Highest AQI recorded in
May61AQI
Lowest AQI recorded in
January30AQI
202323AQI
3
30
1
33
1
Highest AQI recorded in
December24AQI
Lowest AQI recorded in
November15AQI
202142AQI
19
2
2
9
21
11
Highest AQI recorded in
February63AQI
Lowest AQI recorded in
January31AQI
202065AQI
2
11
7
14
4
11
1
3
2
3
16
13
15
20
7
3
4
49
69
18
Highest AQI recorded in
April111AQI
Lowest AQI recorded in
December28AQI
Most & Least Polluted Years Over the Last 5 Years
Most Polluted Year Recorded
2020(Avg.)
65AQILeast Polluted Year Recorded
2023(Avg.)
23AQISanta Tecla's annual 2025 AQI (50) shows an average percentage change of 30.1% (worsened AQI) compared to previous years: 2020 (65), 2021 (42), 2023 (23), 2024 (47).
