Country Background
HistoryAQIPM2.5PM10COSO2NO2O3

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+

July Air Quality Analysis

Santa Tecla, La Libertad, El Salvador

2024
2025
AQI
.
Days

AQI Trends: Highest and Lowest

Highest AQI recorded on
6th Jul 2024
54AQI
Lowest AQI recorded on
28th Jul 2025
30AQI

Same Day Analysis (30th July ):
On this day, AQI across the 2 years varied significantly: 2025 ranks 1st highest AQI at 37 of Good air quality on the same day.

Download 2024 Annual Data

World Air Quality Report

Globe

Day & Night AQI Trend: 30th Jul - 31st Jul 2025

Santa Tecla, La Libertad, El Salvador

AQI
Day
Night
.

5 AM30th Jul 2025

6 PM

4 AM31st Jul 2025

Day time
Avg. Highest Time
12PM30th Jul

42AQI

Avg. Lowest Time
8AM30th Jul

37AQI

Night time
Avg. Highest Time
7PM30th Jul

42AQI

Avg. Lowest Time
4AM31st Jul

33AQI

In the last 24 hours,

Santa Tecla's AQI reached its highest point of 42 at 12 PM during the Day, while the lowest point, 33, was recorded at 4 AM during the Night between 30th Jul and 31st Jul 2025.

Day & Night AQI Trend : Jul 2025

Santa Tecla, La Libertad, El Salvador

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 2025305 AMAQI
1st Jul 2025326 AMAQI
1st Jul 2025367 AMAQI
1st Jul 2025338 AMAQI
1st Jul 2025339 AMAQI
1st Jul 20253310 AMAQI
1st Jul 20253011 AMAQI
1st Jul 20253212 PMAQI
1st Jul 2025321 PMAQI
1st Jul 2025322 PMAQI
1st Jul 2025323 PMAQI
1st Jul 2025304 PMAQI
1st Jul 2025305 PMAQI
1st Jul 2025306 PMAQI
1st Jul 2025297 PMAQI
1st Jul 2025318 PMAQI
1st Jul 2025319 PMAQI
1st Jul 20253310 PMAQI
1st Jul 20253311 PMAQI
2nd Jul 20253312 AMAQI
2nd Jul 2025341 AMAQI
2nd Jul 2025342 AMAQI
2nd Jul 2025333 AMAQI
2nd Jul 2025304 AMAQI

25°C22/29°C

2nd Jul 2025315 AMAQI
2nd Jul 2025316 AMAQI
2nd Jul 2025317 AMAQI
2nd Jul 2025318 AMAQI
2nd Jul 2025319 AMAQI
2nd Jul 20253110 AMAQI
2nd Jul 20253411 AMAQI
2nd Jul 20253412 PMAQI
2nd Jul 2025341 PMAQI
2nd Jul 2025352 PMAQI
2nd Jul 2025353 PMAQI
2nd Jul 2025354 PMAQI
2nd Jul 2025355 PMAQI
2nd Jul 2025366 PMAQI
2nd Jul 2025327 PMAQI
2nd Jul 2025318 PMAQI
2nd Jul 2025319 PMAQI
2nd Jul 20253110 PMAQI
2nd Jul 20253111 PMAQI
3rd Jul 20253112 AMAQI
3rd Jul 2025311 AMAQI
3rd Jul 2025312 AMAQI
3rd Jul 2025343 AMAQI
3rd Jul 2025354 AMAQI

25°C22/28°C

3rd Jul 2025365 AMAQI
3rd Jul 2025346 AMAQI
3rd Jul 2025357 AMAQI
3rd Jul 2025348 AMAQI
3rd Jul 2025409 AMAQI
3rd Jul 20253910 AMAQI
3rd Jul 20253811 AMAQI
3rd Jul 20253812 PMAQI
3rd Jul 2025341 PMAQI
3rd Jul 2025342 PMAQI
3rd Jul 2025353 PMAQI
3rd Jul 2025354 PMAQI
3rd Jul 2025325 PMAQI
3rd Jul 2025356 PMAQI
3rd Jul 2025367 PMAQI
3rd Jul 2025378 PMAQI
3rd Jul 2025389 PMAQI
3rd Jul 20253510 PMAQI
3rd Jul 20253211 PMAQI
4th Jul 20253612 AMAQI
4th Jul 2025381 AMAQI
4th Jul 2025362 AMAQI
4th Jul 2025383 AMAQI
4th Jul 2025414 AMAQI

24°C20/28°C

4th Jul 2025345 AMAQI
4th Jul 2025376 AMAQI
4th Jul 2025387 AMAQI
4th Jul 2025388 AMAQI
4th Jul 2025379 AMAQI
4th Jul 20253610 AMAQI
4th Jul 20253611 AMAQI
4th Jul 20253812 PMAQI
4th Jul 2025381 PMAQI
4th Jul 2025382 PMAQI
4th Jul 2025383 PMAQI
4th Jul 2025374 PMAQI
4th Jul 2025365 PMAQI
4th Jul 2025376 PMAQI
4th Jul 2025387 PMAQI
4th Jul 2025368 PMAQI
4th Jul 2025379 PMAQI
4th Jul 20253610 PMAQI
4th Jul 20254111 PMAQI
5th Jul 20254012 AMAQI
5th Jul 2025461 AMAQI
5th Jul 2025432 AMAQI
5th Jul 2025443 AMAQI
5th Jul 2025444 AMAQI

24°C21/26°C

5th Jul 2025485 AMAQI
5th Jul 2025456 AMAQI
5th Jul 2025457 AMAQI
5th Jul 2025408 AMAQI
5th Jul 2025409 AMAQI
5th Jul 20254510 AMAQI
5th Jul 20254411 AMAQI
5th Jul 20254212 PMAQI
5th Jul 2025431 PMAQI
5th Jul 2025462 PMAQI
5th Jul 2025443 PMAQI
5th Jul 2025454 PMAQI
5th Jul 2025445 PMAQI
5th Jul 2025466 PMAQI
5th Jul 2025407 PMAQI
5th Jul 2025428 PMAQI
5th Jul 2025409 PMAQI
5th Jul 20255110 PMAQI
5th Jul 20254511 PMAQI
6th Jul 20255012 AMAQI
6th Jul 2025481 AMAQI
6th Jul 2025462 AMAQI
6th Jul 2025473 AMAQI
6th Jul 2025434 AMAQI

24°C21/28°C

6th Jul 2025445 AMAQI
6th Jul 2025466 AMAQI
6th Jul 2025457 AMAQI
6th Jul 2025468 AMAQI
6th Jul 2025469 AMAQI
6th Jul 20254410 AMAQI
6th Jul 20254411 AMAQI
6th Jul 20254212 PMAQI
6th Jul 2025441 PMAQI
6th Jul 2025472 PMAQI
6th Jul 2025473 PMAQI
6th Jul 2025504 PMAQI
6th Jul 2025475 PMAQI
6th Jul 2025456 PMAQI
6th Jul 2025457 PMAQI
6th Jul 2025428 PMAQI
6th Jul 2025479 PMAQI
6th Jul 20254610 PMAQI
6th Jul 20254711 PMAQI
7th Jul 20254412 AMAQI
7th Jul 2025421 AMAQI
7th Jul 2025422 AMAQI
7th Jul 2025363 AMAQI
7th Jul 2025394 AMAQI

25°C21/28°C

7th Jul 2025325 AMAQI
7th Jul 2025386 AMAQI
7th Jul 2025367 AMAQI
7th Jul 2025388 AMAQI
7th Jul 2025369 AMAQI
7th Jul 20253410 AMAQI
7th Jul 20253611 AMAQI
7th Jul 20253612 PMAQI
7th Jul 2025371 PMAQI
7th Jul 2025392 PMAQI
7th Jul 2025403 PMAQI
7th Jul 2025394 PMAQI
7th Jul 2025425 PMAQI
7th Jul 2025406 PMAQI
7th Jul 2025407 PMAQI
7th Jul 2025428 PMAQI
7th Jul 2025399 PMAQI
7th Jul 20253810 PMAQI
7th Jul 20253911 PMAQI
8th Jul 20253612 AMAQI
8th Jul 2025361 AMAQI
8th Jul 2025382 AMAQI
8th Jul 2025343 AMAQI
8th Jul 2025364 AMAQI

23°C21/26°C

8th Jul 2025375 AMAQI
8th Jul 2025396 AMAQI
8th Jul 2025387 AMAQI
8th Jul 2025388 AMAQI
8th Jul 2025389 AMAQI
8th Jul 20253610 AMAQI
8th Jul 20253711 AMAQI
8th Jul 20253612 PMAQI
8th Jul 2025371 PMAQI
8th Jul 2025402 PMAQI
8th Jul 2025403 PMAQI
8th Jul 2025404 PMAQI
8th Jul 2025385 PMAQI
8th Jul 2025386 PMAQI
8th Jul 2025407 PMAQI
8th Jul 2025388 PMAQI
8th Jul 2025369 PMAQI
8th Jul 20253710 PMAQI
8th Jul 20254011 PMAQI
9th Jul 20254212 AMAQI
9th Jul 2025381 AMAQI
9th Jul 2025372 AMAQI
9th Jul 2025373 AMAQI
9th Jul 2025354 AMAQI

24°C21/28°C

9th Jul 2025355 AMAQI
9th Jul 2025366 AMAQI
9th Jul 2025377 AMAQI
9th Jul 2025358 AMAQI
9th Jul 2025349 AMAQI
9th Jul 20253510 AMAQI
9th Jul 20253611 AMAQI
9th Jul 20253512 PMAQI
9th Jul 2025381 PMAQI
9th Jul 2025382 PMAQI
9th Jul 2025403 PMAQI
9th Jul 2025394 PMAQI
9th Jul 2025405 PMAQI
9th Jul 2025396 PMAQI
9th Jul 2025347 PMAQI
9th Jul 2025378 PMAQI
9th Jul 2025389 PMAQI
9th Jul 20253610 PMAQI
9th Jul 20253511 PMAQI
10th Jul 20253612 AMAQI
10th Jul 2025381 AMAQI
10th Jul 2025332 AMAQI
10th Jul 2025363 AMAQI
10th Jul 2025404 AMAQI

24°C20/28°C

10th Jul 2025385 AMAQI
10th Jul 2025396 AMAQI
10th Jul 2025387 AMAQI
10th Jul 2025378 AMAQI
10th Jul 2025379 AMAQI
10th Jul 20254210 AMAQI
10th Jul 20254311 AMAQI
10th Jul 20253612 PMAQI
10th Jul 2025381 PMAQI
10th Jul 2025392 PMAQI
10th Jul 2025393 PMAQI
10th Jul 2025444 PMAQI
10th Jul 2025405 PMAQI
10th Jul 2025386 PMAQI
10th Jul 2025377 PMAQI
10th Jul 2025368 PMAQI
10th Jul 2025369 PMAQI
10th Jul 20254010 PMAQI
10th Jul 20254311 PMAQI
11th Jul 20253712 AMAQI
11th Jul 2025351 AMAQI
11th Jul 2025362 AMAQI
11th Jul 2025353 AMAQI
11th Jul 2025394 AMAQI

24°C21/28°C

11th Jul 2025365 AMAQI
11th Jul 2025326 AMAQI
11th Jul 2025377 AMAQI
11th Jul 2025378 AMAQI
11th Jul 2025389 AMAQI
11th Jul 20253610 AMAQI
11th Jul 20253811 AMAQI
11th Jul 20253812 PMAQI
11th Jul 2025381 PMAQI
11th Jul 2025382 PMAQI
11th Jul 2025393 PMAQI
11th Jul 2025384 PMAQI
11th Jul 2025385 PMAQI
11th Jul 2025376 PMAQI
11th Jul 2025407 PMAQI
11th Jul 2025388 PMAQI
11th Jul 2025399 PMAQI
11th Jul 20254110 PMAQI
11th Jul 20254211 PMAQI
12th Jul 20253712 AMAQI
12th Jul 2025381 AMAQI
12th Jul 2025322 AMAQI
12th Jul 2025353 AMAQI
12th Jul 2025454 AMAQI

24°C22/28°C

12th Jul 2025365 AMAQI
12th Jul 2025376 AMAQI
12th Jul 2025387 AMAQI
12th Jul 2025378 AMAQI
12th Jul 2025429 AMAQI
12th Jul 20254710 AMAQI
12th Jul 20253911 AMAQI
12th Jul 20253812 PMAQI
12th Jul 2025431 PMAQI
12th Jul 2025432 PMAQI
12th Jul 2025423 PMAQI
12th Jul 2025424 PMAQI
12th Jul 2025425 PMAQI
12th Jul 2025416 PMAQI
12th Jul 2025437 PMAQI
12th Jul 2025438 PMAQI
12th Jul 2025429 PMAQI
12th Jul 20254410 PMAQI
12th Jul 20254211 PMAQI
13th Jul 20254212 AMAQI
13th Jul 2025401 AMAQI
13th Jul 2025442 AMAQI
13th Jul 2025453 AMAQI
13th Jul 2025464 AMAQI

24°C21/28°C

13th Jul 2025455 AMAQI
13th Jul 2025446 AMAQI
13th Jul 2025427 AMAQI
13th Jul 2025408 AMAQI
13th Jul 2025429 AMAQI
13th Jul 20254010 AMAQI
13th Jul 20254111 AMAQI
13th Jul 20254112 PMAQI
13th Jul 2025441 PMAQI
13th Jul 2025452 PMAQI
13th Jul 2025473 PMAQI
13th Jul 2025444 PMAQI
13th Jul 2025475 PMAQI
13th Jul 2025476 PMAQI
13th Jul 2025447 PMAQI
13th Jul 2025438 PMAQI
13th Jul 2025409 PMAQI
13th Jul 20254010 PMAQI
13th Jul 20254211 PMAQI
14th Jul 20254112 AMAQI
14th Jul 2025421 AMAQI
14th Jul 2025402 AMAQI
14th Jul 2025403 AMAQI
14th Jul 2025334 AMAQI

25°C22/28°C

14th Jul 2025355 AMAQI
14th Jul 2025346 AMAQI
14th Jul 2025327 AMAQI
14th Jul 2025338 AMAQI
14th Jul 2025329 AMAQI
14th Jul 20253510 AMAQI
14th Jul 20253011 AMAQI
14th Jul 20253412 PMAQI
14th Jul 2025381 PMAQI
14th Jul 2025372 PMAQI
14th Jul 2025383 PMAQI
14th Jul 2025394 PMAQI
14th Jul 2025375 PMAQI
14th Jul 2025386 PMAQI
14th Jul 2025427 PMAQI
14th Jul 2025388 PMAQI
14th Jul 2025409 PMAQI
14th Jul 20253610 PMAQI
14th Jul 20254011 PMAQI
15th Jul 20254012 AMAQI
15th Jul 2025381 AMAQI
15th Jul 2025352 AMAQI
15th Jul 2025353 AMAQI
15th Jul 2025384 AMAQI

25°C22/29°C

15th Jul 2025405 AMAQI
15th Jul 2025386 AMAQI
15th Jul 2025387 AMAQI
15th Jul 2025368 AMAQI
15th Jul 2025489 AMAQI
15th Jul 20253810 AMAQI
15th Jul 20253611 AMAQI
15th Jul 20254012 PMAQI
15th Jul 2025401 PMAQI
15th Jul 2025392 PMAQI
15th Jul 2025383 PMAQI
15th Jul 2025384 PMAQI
15th Jul 2025395 PMAQI
15th Jul 2025376 PMAQI
15th Jul 2025387 PMAQI
15th Jul 2025428 PMAQI
15th Jul 2025409 PMAQI
15th Jul 20253810 PMAQI
15th Jul 20254211 PMAQI
16th Jul 20254112 AMAQI
16th Jul 2025381 AMAQI
16th Jul 2025422 AMAQI
16th Jul 2025363 AMAQI
16th Jul 2025384 AMAQI

25°C20/29°C

16th Jul 2025365 AMAQI
16th Jul 2025426 AMAQI
16th Jul 2025407 AMAQI
16th Jul 2025438 AMAQI
16th Jul 2025499 AMAQI
16th Jul 20255110 AMAQI
16th Jul 20254811 AMAQI
16th Jul 20255212 PMAQI
16th Jul 2025411 PMAQI
16th Jul 2025412 PMAQI
16th Jul 2025413 PMAQI
16th Jul 2025444 PMAQI
16th Jul 2025455 PMAQI
16th Jul 2025436 PMAQI
16th Jul 2025407 PMAQI
16th Jul 2025358 PMAQI
16th Jul 2025329 PMAQI
16th Jul 20253510 PMAQI
16th Jul 20253811 PMAQI
17th Jul 20254412 AMAQI
17th Jul 2025461 AMAQI
17th Jul 2025402 AMAQI
17th Jul 2025423 AMAQI
17th Jul 2025504 AMAQI

25°C20/29°C

17th Jul 2025485 AMAQI
17th Jul 2025426 AMAQI
17th Jul 2025467 AMAQI
17th Jul 2025468 AMAQI
17th Jul 2025409 AMAQI
17th Jul 20253510 AMAQI
17th Jul 20253211 AMAQI
17th Jul 20253212 PMAQI
17th Jul 2025361 PMAQI
17th Jul 2025382 PMAQI
17th Jul 2025363 PMAQI
17th Jul 2025344 PMAQI
17th Jul 2025315 PMAQI
17th Jul 2025296 PMAQI
17th Jul 2025327 PMAQI
17th Jul 2025348 PMAQI
17th Jul 2025339 PMAQI
17th Jul 20253410 PMAQI
17th Jul 20253611 PMAQI
18th Jul 20253812 AMAQI
18th Jul 2025331 AMAQI
18th Jul 2025282 AMAQI
18th Jul 2025253 AMAQI
18th Jul 2025274 AMAQI

25°C21/29°C

18th Jul 2025325 AMAQI
18th Jul 2025306 AMAQI
18th Jul 2025347 AMAQI
18th Jul 2025338 AMAQI
18th Jul 2025309 AMAQI
18th Jul 20252810 AMAQI
18th Jul 20252811 AMAQI
18th Jul 20252712 PMAQI
18th Jul 2025301 PMAQI
18th Jul 2025342 PMAQI
18th Jul 2025343 PMAQI
18th Jul 2025334 PMAQI
18th Jul 2025355 PMAQI
18th Jul 2025366 PMAQI
18th Jul 2025327 PMAQI
18th Jul 2025368 PMAQI
18th Jul 2025349 PMAQI
18th Jul 20253210 PMAQI
18th Jul 20253611 PMAQI
19th Jul 20253812 AMAQI
19th Jul 2025351 AMAQI
19th Jul 2025302 AMAQI
19th Jul 2025303 AMAQI
19th Jul 2025264 AMAQI

25°C20/30°C

19th Jul 2025305 AMAQI
19th Jul 2025306 AMAQI
19th Jul 2025357 AMAQI
19th Jul 2025418 AMAQI
19th Jul 2025349 AMAQI
19th Jul 20253610 AMAQI
19th Jul 20253811 AMAQI
19th Jul 20253512 PMAQI
19th Jul 2025351 PMAQI
19th Jul 2025362 PMAQI
19th Jul 2025363 PMAQI
19th Jul 2025354 PMAQI
19th Jul 2025355 PMAQI
19th Jul 2025356 PMAQI
19th Jul 2025367 PMAQI
19th Jul 2025388 PMAQI
19th Jul 2025419 PMAQI
19th Jul 20253610 PMAQI
19th Jul 20253811 PMAQI
20th Jul 20254212 AMAQI
20th Jul 2025281 AMAQI
20th Jul 2025402 AMAQI
20th Jul 2025323 AMAQI
20th Jul 2025334 AMAQI

26°C20/31°C

20th Jul 2025295 AMAQI
20th Jul 2025406 AMAQI
20th Jul 2025377 AMAQI
20th Jul 2025398 AMAQI
20th Jul 2025389 AMAQI
20th Jul 20253810 AMAQI
20th Jul 20253411 AMAQI
20th Jul 20253512 PMAQI
20th Jul 2025331 PMAQI
20th Jul 2025402 PMAQI
20th Jul 2025393 PMAQI
20th Jul 2025404 PMAQI
20th Jul 2025385 PMAQI
20th Jul 2025396 PMAQI
20th Jul 2025417 PMAQI
20th Jul 2025398 PMAQI
20th Jul 2025389 PMAQI
20th Jul 20254010 PMAQI
20th Jul 20255011 PMAQI
21st Jul 20254412 AMAQI
21st Jul 2025431 AMAQI
21st Jul 2025402 AMAQI
21st Jul 2025313 AMAQI
21st Jul 2025334 AMAQI

25°C20/30°C

21st Jul 2025325 AMAQI
21st Jul 2025376 AMAQI
21st Jul 2025407 AMAQI
21st Jul 2025448 AMAQI
21st Jul 2025379 AMAQI
21st Jul 20253310 AMAQI
21st Jul 20253711 AMAQI
21st Jul 20253812 PMAQI
21st Jul 2025391 PMAQI
21st Jul 2025392 PMAQI
21st Jul 2025383 PMAQI
21st Jul 2025384 PMAQI
21st Jul 2025365 PMAQI
21st Jul 2025396 PMAQI
21st Jul 2025407 PMAQI
21st Jul 2025398 PMAQI
21st Jul 2025389 PMAQI
21st Jul 20254810 PMAQI
21st Jul 20254611 PMAQI
22nd Jul 20254012 AMAQI
22nd Jul 2025321 AMAQI
22nd Jul 2025332 AMAQI
22nd Jul 2025363 AMAQI
22nd Jul 2025384 AMAQI

25°C22/28°C

22nd Jul 2025405 AMAQI
22nd Jul 2025486 AMAQI
22nd Jul 2025497 AMAQI
22nd Jul 2025538 AMAQI
22nd Jul 2025489 AMAQI
22nd Jul 20254310 AMAQI
22nd Jul 20254211 AMAQI
22nd Jul 20254312 PMAQI
22nd Jul 2025421 PMAQI
22nd Jul 2025442 PMAQI
22nd Jul 2025453 PMAQI
22nd Jul 2025424 PMAQI
22nd Jul 2025425 PMAQI
22nd Jul 2025436 PMAQI
22nd Jul 2025467 PMAQI
22nd Jul 2025448 PMAQI
22nd Jul 2025489 PMAQI
22nd Jul 20254910 PMAQI
22nd Jul 20255111 PMAQI
23rd Jul 20255412 AMAQI
23rd Jul 2025541 AMAQI
23rd Jul 2025432 AMAQI
23rd Jul 2025373 AMAQI
23rd Jul 2025424 AMAQI

25°C22/29°C

23rd Jul 2025525 AMAQI
23rd Jul 2025546 AMAQI
23rd Jul 2025557 AMAQI
23rd Jul 2025528 AMAQI
23rd Jul 2025539 AMAQI
23rd Jul 20255210 AMAQI
23rd Jul 20254211 AMAQI
23rd Jul 20253712 PMAQI
23rd Jul 2025391 PMAQI
23rd Jul 2025462 PMAQI
23rd Jul 2025473 PMAQI
23rd Jul 2025454 PMAQI
23rd Jul 2025445 PMAQI
23rd Jul 2025476 PMAQI
23rd Jul 2025497 PMAQI
23rd Jul 2025488 PMAQI
23rd Jul 2025539 PMAQI
23rd Jul 20255410 PMAQI
23rd Jul 20255411 PMAQI
24th Jul 20255412 AMAQI
24th Jul 2025451 AMAQI
24th Jul 2025412 AMAQI
24th Jul 2025403 AMAQI
24th Jul 2025394 AMAQI

25°C21/29°C

24th Jul 2025425 AMAQI
24th Jul 2025416 AMAQI
24th Jul 2025427 AMAQI
24th Jul 2025448 AMAQI
24th Jul 2025419 AMAQI
24th Jul 20254110 AMAQI
24th Jul 20254311 AMAQI
24th Jul 20254212 PMAQI
24th Jul 2025351 PMAQI
24th Jul 2025372 PMAQI
24th Jul 2025383 PMAQI
24th Jul 2025374 PMAQI
24th Jul 2025365 PMAQI
24th Jul 2025376 PMAQI
24th Jul 2025387 PMAQI
24th Jul 2025388 PMAQI
24th Jul 2025399 PMAQI
24th Jul 20254210 PMAQI
24th Jul 20254111 PMAQI
25th Jul 20254212 AMAQI
25th Jul 2025401 AMAQI
25th Jul 2025262 AMAQI
25th Jul 2025253 AMAQI
25th Jul 2025264 AMAQI

25°C21/29°C

25th Jul 2025325 AMAQI
25th Jul 2025436 AMAQI
25th Jul 2025397 AMAQI
25th Jul 2025408 AMAQI
25th Jul 2025399 AMAQI
25th Jul 20253410 AMAQI
25th Jul 20253211 AMAQI
25th Jul 20253312 PMAQI
25th Jul 2025301 PMAQI
25th Jul 2025372 PMAQI
25th Jul 2025333 PMAQI
25th Jul 2025314 PMAQI
25th Jul 2025335 PMAQI
25th Jul 2025396 PMAQI
25th Jul 2025387 PMAQI
25th Jul 2025368 PMAQI
25th Jul 2025379 PMAQI
25th Jul 20253910 PMAQI
25th Jul 20253411 PMAQI
26th Jul 20253712 AMAQI
26th Jul 2025391 AMAQI
26th Jul 2025362 AMAQI
26th Jul 2025363 AMAQI
26th Jul 2025374 AMAQI

25°C21/28°C

26th Jul 2025345 AMAQI
26th Jul 2025346 AMAQI
26th Jul 2025347 AMAQI
26th Jul 2025368 AMAQI
26th Jul 2025349 AMAQI
26th Jul 20253810 AMAQI
26th Jul 20253211 AMAQI
26th Jul 20253412 PMAQI
26th Jul 2025331 PMAQI
26th Jul 2025332 PMAQI
26th Jul 2025333 PMAQI
26th Jul 2025324 PMAQI
26th Jul 2025335 PMAQI
26th Jul 2025326 PMAQI
26th Jul 2025327 PMAQI
26th Jul 2025328 PMAQI
26th Jul 2025349 PMAQI
26th Jul 20253010 PMAQI
26th Jul 20253111 PMAQI
27th Jul 20252812 AMAQI
27th Jul 2025301 AMAQI
27th Jul 2025412 AMAQI
27th Jul 2025363 AMAQI
27th Jul 2025404 AMAQI

23°C20/26°C

27th Jul 2025365 AMAQI
27th Jul 2025386 AMAQI
27th Jul 2025437 AMAQI
27th Jul 2025448 AMAQI
27th Jul 2025419 AMAQI
27th Jul 20254110 AMAQI
27th Jul 20253611 AMAQI
27th Jul 20253812 PMAQI
27th Jul 2025311 PMAQI
27th Jul 2025342 PMAQI
27th Jul 2025353 PMAQI
27th Jul 2025344 PMAQI
27th Jul 2025355 PMAQI
27th Jul 2025426 PMAQI
27th Jul 2025387 PMAQI
27th Jul 2025328 PMAQI
27th Jul 2025319 PMAQI
27th Jul 20253210 PMAQI
27th Jul 20253311 PMAQI
28th Jul 20253612 AMAQI
28th Jul 2025301 AMAQI
28th Jul 2025242 AMAQI
28th Jul 2025253 AMAQI
28th Jul 2025244 AMAQI

24°C22/28°C

28th Jul 2025275 AMAQI
28th Jul 2025306 AMAQI
28th Jul 2025327 AMAQI
28th Jul 2025328 AMAQI
28th Jul 2025349 AMAQI
28th Jul 20253710 AMAQI
28th Jul 20253011 AMAQI
28th Jul 20253112 PMAQI
28th Jul 2025341 PMAQI
28th Jul 2025342 PMAQI
28th Jul 2025323 PMAQI
28th Jul 2025314 PMAQI
28th Jul 2025325 PMAQI
28th Jul 2025326 PMAQI
28th Jul 2025307 PMAQI
28th Jul 2025328 PMAQI
28th Jul 2025309 PMAQI
28th Jul 20253210 PMAQI
28th Jul 20253211 PMAQI
29th Jul 20252812 AMAQI
29th Jul 2025261 AMAQI
29th Jul 2025322 AMAQI
29th Jul 2025313 AMAQI
29th Jul 2025334 AMAQI

24°C20/28°C

29th Jul 2025295 AMAQI
29th Jul 2025346 AMAQI
29th Jul 2025377 AMAQI
29th Jul 2025398 AMAQI
29th Jul 2025369 AMAQI
29th Jul 20253410 AMAQI
29th Jul 20253411 AMAQI
29th Jul 20253412 PMAQI
29th Jul 2025341 PMAQI
29th Jul 2025342 PMAQI
29th Jul 2025323 PMAQI
29th Jul 2025324 PMAQI
29th Jul 2025345 PMAQI
29th Jul 2025336 PMAQI
29th Jul 2025347 PMAQI
29th Jul 2025328 PMAQI
29th Jul 2025339 PMAQI
29th Jul 20253410 PMAQI
29th Jul 20253311 PMAQI
30th Jul 20253912 AMAQI
30th Jul 2025341 AMAQI
30th Jul 2025312 AMAQI
30th Jul 2025303 AMAQI
30th Jul 2025324 AMAQI

23°C20/27°C

30th Jul 2025375 AMAQI
30th Jul 2025376 AMAQI
30th Jul 2025377 AMAQI
30th Jul 2025378 AMAQI
30th Jul 2025389 AMAQI
30th Jul 20253910 AMAQI
30th Jul 20254011 AMAQI
30th Jul 20254212 PMAQI
30th Jul 2025421 PMAQI
30th Jul 2025422 PMAQI
30th Jul 2025423 PMAQI
30th Jul 2025424 PMAQI
30th Jul 2025425 PMAQI
30th Jul 2025426 PMAQI
30th Jul 2025427 PMAQI
30th Jul 2025368 PMAQI
30th Jul 2025379 PMAQI
30th Jul 20253810 PMAQI
30th Jul 20253711 PMAQI
31st Jul 20253812 AMAQI
31st Jul 2025371 AMAQI
31st Jul 2025362 AMAQI
31st Jul 2025343 AMAQI
31st Jul 2025334 AMAQI

24°C20/28°C

31st Jul 2025385 AMAQI
5 AM
31st Jul 2025526 AMAQI
31st Jul 2025407 AMAQI
31st Jul 2025418 AMAQI
31st Jul 2025469 AMAQI
31st Jul 20255310 AMAQI
31st Jul 20255511 AMAQI
11 AM
31st Jul 20255412 PMAQI
31st Jul 2025381 PMAQI
31st Jul 2025422 PMAQI
31st Jul 2025463 PMAQI
31st Jul 2025454 PMAQI
6 PM
11 PM
4 AM

--°C/°C

Day time
Avg. Highest Time
6 AM - 6 PM

38AQI

13 hours / Day
390 hours / Month
Avg. Lowest Time
5 AM

36AQI

1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 6 AM to 6 PM (Avg. 38), while the lowest AQI was between 5 AM to 5 AM (Avg. 36).
Night time
Avg. Highest Time
12 AM - 1 AM

39AQI

2 hours / Day
60 hours / Month
Avg. Lowest Time
2 AM - 4 AM

36AQI

3 hours / Day
90 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 12 AM to 1 AM (Avg. 39), while the lowest AQI was between 2 AM to 4 AM (Avg. 36).

2025 Days Vs Air Quality

Santa Tecla, La Libertad, El Salvador

2025

32%

68

68%

143

Total number of days with different AQI categories in last 212 days in 2025 (153 days remaining)

Good
68 Days
Moderate
143 Days
Poor
0 Days
Unhealthy
0 Days
Severe
0 Days
Hazardous
0 Days

Under WHO’s Safe Air Quality Limits: 32%

Health Risk Level:

High

In 2025, 32% of 212 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

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.

1st January 2025
58AQI
2nd January 2025
54AQI
3rd January 2025
57AQI
4th January 2025
54AQI
5th January 2025
55AQI
6th January 2025
59AQI
7th January 2025
60AQI
8th January 2025
56AQI
9th January 2025
56AQI
10th January 2025
55AQI
11th January 2025
54AQI
12th January 2025
55AQI
13th January 2025
56AQI
14th January 2025
53AQI
15th January 2025
53AQI
16th January 2025
52AQI
17th January 2025
53AQI
18th January 2025
56AQI
19th January 2025
55AQI
20th January 2025
55AQI
21st January 2025
53AQI
22nd January 2025
54AQI
23rd January 2025
54AQI
24th January 2025
57AQI
25th January 2025
56AQI
26th January 2025
58AQI
27th January 2025
56AQI
28th January 2025
57AQI
29th January 2025
56AQI
30th January 2025
56AQI
31st January 2025
56AQI
1st February 2025
57AQI
2nd February 2025
55AQI
3rd February 2025
57AQI
4th February 2025
56AQI
5th February 2025
58AQI
6th February 2025
61AQI
7th February 2025
58AQI
8th February 2025
59AQI
9th February 2025
58AQI
10th February 2025
58AQI
11th February 2025
59AQI
12th February 2025
58AQI
13th February 2025
59AQI
14th February 2025
58AQI
15th February 2025
57AQI
16th February 2025
56AQI
17th February 2025
54AQI
18th February 2025
53AQI
19th February 2025
55AQI
20th February 2025
55AQI
21st February 2025
54AQI
22nd February 2025
53AQI
23rd February 2025
51AQI
24th February 2025
49AQI
25th February 2025
52AQI
26th February 2025
53AQI
27th February 2025
57AQI
28th February 2025
54AQI
1st March 2025
55AQI
2nd March 2025
54AQI
3rd March 2025
55AQI
4th March 2025
53AQI
5th March 2025
56AQI
6th March 2025
55AQI
7th March 2025
54AQI
8th March 2025
54AQI
9th March 2025
54AQI
10th March 2025
53AQI
11th March 2025
53AQI
12th March 2025
56AQI
13th March 2025
57AQI
14th March 2025
55AQI
15th March 2025
57AQI
16th March 2025
54AQI
17th March 2025
57AQI
18th March 2025
58AQI
19th March 2025
61AQI
20th March 2025
59AQI
21st March 2025
58AQI
22nd March 2025
59AQI
23rd March 2025
57AQI
24th March 2025
57AQI
25th March 2025
65AQI
26th March 2025
61AQI
27th March 2025
63AQI
28th March 2025
62AQI
29th March 2025
61AQI
30th March 2025
59AQI
31st March 2025
57AQI
1st April 2025
57AQI
2nd April 2025
58AQI
3rd April 2025
58AQI
4th April 2025
57AQI
5th April 2025
56AQI
6th April 2025
55AQI
7th April 2025
53AQI
8th April 2025
50AQI
9th April 2025
52AQI
10th April 2025
51AQI
11th April 2025
53AQI
12th April 2025
55AQI
13th April 2025
60AQI
14th April 2025
60AQI
15th April 2025
62AQI
16th April 2025
64AQI
17th April 2025
60AQI
18th April 2025
59AQI
19th April 2025
56AQI
20th April 2025
56AQI
21st April 2025
57AQI
22nd April 2025
57AQI
23rd April 2025
56AQI
24th April 2025
54AQI
25th April 2025
54AQI
26th April 2025
54AQI
27th April 2025
53AQI
28th April 2025
53AQI
29th April 2025
56AQI
30th April 2025
55AQI
1st May 2025
57AQI
2nd May 2025
58AQI
3rd May 2025
59AQI
4th May 2025
57AQI
5th May 2025
57AQI
6th May 2025
55AQI
7th May 2025
55AQI
8th May 2025
56AQI
9th May 2025
56AQI
10th May 2025
54AQI
11th May 2025
51AQI
12th May 2025
50AQI
13th May 2025
49AQI
14th May 2025
52AQI
15th May 2025
53AQI
16th May 2025
53AQI
17th May 2025
54AQI
18th May 2025
59AQI
19th May 2025
53AQI
20th May 2025
55AQI
21st May 2025
56AQI
22nd May 2025
55AQI
23rd May 2025
54AQI
24th May 2025
53AQI
25th May 2025
51AQI
26th May 2025
49AQI
27th May 2025
50AQI
28th May 2025
51AQI
29th May 2025
48AQI
30th May 2025
51AQI
31st May 2025
48AQI
1st June 2025
45AQI
2nd June 2025
45AQI
3rd June 2025
47AQI
4th June 2025
46AQI
5th June 2025
47AQI
6th June 2025
47AQI
7th June 2025
48AQI
8th June 2025
41AQI
9th June 2025
38AQI
10th June 2025
43AQI
11th June 2025
45AQI
12th June 2025
45AQI
13th June 2025
39AQI
14th June 2025
36AQI
15th June 2025
34AQI
16th June 2025
35AQI
17th June 2025
35AQI
18th June 2025
35AQI
19th June 2025
34AQI
20th June 2025
33AQI
21st June 2025
30AQI
22nd June 2025
29AQI
23rd June 2025
30AQI
24th June 2025
26AQI
25th June 2025
30AQI
26th June 2025
32AQI
27th June 2025
31AQI
28th June 2025
31AQI
29th June 2025
30AQI
30th June 2025
32AQI
1st July 2025
32AQI
2nd July 2025
33AQI
3rd July 2025
35AQI
4th July 2025
37AQI
5th July 2025
44AQI
6th July 2025
46AQI
7th July 2025
39AQI
8th July 2025
37AQI
9th July 2025
37AQI
10th July 2025
38AQI
11th July 2025
38AQI
12th July 2025
40AQI
13th July 2025
43AQI
14th July 2025
37AQI
15th July 2025
39AQI
16th July 2025
41AQI
17th July 2025
38AQI
18th July 2025
32AQI
19th July 2025
35AQI
20th July 2025
37AQI
21st July 2025
39AQI
22nd July 2025
42AQI
23rd July 2025
48AQI
24th July 2025
41AQI
25th July 2025
34AQI
26th July 2025
34AQI
27th July 2025
36AQI
28th July 2025
30AQI
29th July 2025
32AQI
30th July 2025
37AQI

55AQI

56AQI

57AQI

56AQI

54AQI

37AQI

38AQI

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
30
68
143

Highest AQI recorded in

March

57AQI

Lowest AQI recorded in

June

37AQI

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

May

61AQI

Lowest AQI recorded in

January

30AQI

202323AQI

3
30
1
33
1

Highest AQI recorded in

December

24AQI

Lowest AQI recorded in

November

15AQI

202142AQI

19
2
2
9
21
11

Highest AQI recorded in

February

63AQI

Lowest AQI recorded in

January

31AQI

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

April

111AQI

Lowest AQI recorded in

December

28AQI

Most & Least Polluted Years Over the Last 5 Years

Most Polluted Year Recorded
2020(Avg.)
65AQI
Least Polluted Year Recorded
2023(Avg.)
23AQI

Santa Tecla's annual 2025 AQI (50) shows an average percentage change of 31.4% (worsened AQI) compared to previous years: 2020 (65), 2021 (42), 2023 (23), 2024 (47).