Country Background
HistoryAQIPM2.5PM10COSO2NO2O3

Utec Campus, San Salvador, San Salvador, 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+

September Air Quality Analysis

Utec Campus, San Salvador, San Salvador, El Salvador

2024
2025
AQI
.
Days

AQI Trends: Highest and Lowest

Highest AQI recorded on
2nd Sep 2024
39AQI
Lowest AQI recorded on
1st Sep 2024
35AQI

Same Day Analysis (1st September ):
On this day, AQI across the 2 years varied significantly: 2025 ranks 1st highest AQI at 36 of Good air quality on the same day.

Download 2024 Annual Data

World Air Quality Report

Globe

Day & Night AQI Trend: 2nd Sep - 3rd Sep 2025

Utec Campus, San Salvador, San Salvador, El Salvador

AQI
Day
Night
.

5 AM2nd Sep 2025

6 PM

4 AM3rd Sep 2025

Day time
Avg. Highest Time
5PM2nd Sep

42AQI

Avg. Lowest Time
8AM2nd Sep

27AQI

Night time
Avg. Highest Time
1AM3rd Sep

46AQI

Avg. Lowest Time
2AM3rd Sep

36AQI

In the last 24 hours,

Utec Campus's AQI reached its highest point of 46 at 1 AM during the Night, while the lowest point, undefined, was recorded at 4 AM during the Night between 2nd Sep and 3rd Sep 2025.

Day & Night AQI Trend : Aug - Sep 2025

Utec Campus, San Salvador, San Salvador, El Salvador

AugSep
04th - 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 - 01st01st - 02nd02nd - 03rd03rd
Day
Night
4th Aug 2025415 AMAQI
4th Aug 2025376 AMAQI
4th Aug 2025517 AMAQI
4th Aug 2025428 AMAQI
4th Aug 2025449 AMAQI
4th Aug 20254310 AMAQI
4th Aug 20254411 AMAQI
4th Aug 20254512 PMAQI
4th Aug 2025401 PMAQI
4th Aug 2025402 PMAQI
4th Aug 2025453 PMAQI
4th Aug 2025384 PMAQI
4th Aug 2025335 PMAQI
4th Aug 2025476 PMAQI
4th Aug 2025447 PMAQI
4th Aug 2025388 PMAQI
4th Aug 2025349 PMAQI
4th Aug 20253010 PMAQI
4th Aug 20253211 PMAQI
5th Aug 20253612 AMAQI
5th Aug 2025341 AMAQI
5th Aug 2025362 AMAQI
5th Aug 2025363 AMAQI
5th Aug 2025364 AMAQI

24°C20/30°C

5th Aug 2025365 AMAQI
5th Aug 2025396 AMAQI
5th Aug 2025467 AMAQI
5th Aug 2025508 AMAQI
5th Aug 2025519 AMAQI
5th Aug 20255410 AMAQI
5th Aug 20255511 AMAQI
5th Aug 20255412 PMAQI
5th Aug 2025481 PMAQI
5th Aug 2025442 PMAQI
5th Aug 2025483 PMAQI
5th Aug 2025494 PMAQI
5th Aug 2025475 PMAQI
5th Aug 2025346 PMAQI
5th Aug 2025437 PMAQI
5th Aug 2025528 PMAQI
5th Aug 2025509 PMAQI
5th Aug 20254710 PMAQI
5th Aug 20255011 PMAQI
6th Aug 20254012 AMAQI
6th Aug 2025321 AMAQI
6th Aug 2025322 AMAQI
6th Aug 2025343 AMAQI
6th Aug 2025324 AMAQI

22°C20/25°C

6th Aug 2025515 AMAQI
6th Aug 2025546 AMAQI
6th Aug 2025447 AMAQI
6th Aug 2025538 AMAQI
6th Aug 2025489 AMAQI
6th Aug 20255010 AMAQI
6th Aug 20255211 AMAQI
6th Aug 20255312 PMAQI
6th Aug 2025481 PMAQI
6th Aug 2025422 PMAQI
6th Aug 2025433 PMAQI
6th Aug 2025424 PMAQI
6th Aug 2025415 PMAQI
6th Aug 2025426 PMAQI
6th Aug 2025417 PMAQI
6th Aug 2025448 PMAQI
6th Aug 2025429 PMAQI
6th Aug 20254310 PMAQI
6th Aug 20254811 PMAQI
7th Aug 20253812 AMAQI
7th Aug 2025361 AMAQI
7th Aug 2025302 AMAQI
7th Aug 2025263 AMAQI
7th Aug 2025304 AMAQI

24°C20/31°C

7th Aug 2025305 AMAQI
7th Aug 2025356 AMAQI
7th Aug 2025377 AMAQI
7th Aug 2025388 AMAQI
7th Aug 2025349 AMAQI
7th Aug 20253210 AMAQI
7th Aug 20254611 AMAQI
7th Aug 20254512 PMAQI
7th Aug 2025361 PMAQI
7th Aug 2025342 PMAQI
7th Aug 2025363 PMAQI
7th Aug 2025354 PMAQI
7th Aug 2025365 PMAQI
7th Aug 2025366 PMAQI
7th Aug 2025387 PMAQI
7th Aug 2025368 PMAQI
7th Aug 2025409 PMAQI
7th Aug 20253610 PMAQI
7th Aug 20253611 PMAQI
8th Aug 20254012 AMAQI
8th Aug 2025401 AMAQI
8th Aug 2025342 AMAQI
8th Aug 2025463 AMAQI
8th Aug 2025404 AMAQI

24°C20/30°C

8th Aug 2025325 AMAQI
8th Aug 2025366 AMAQI
8th Aug 2025347 AMAQI
8th Aug 2025348 AMAQI
8th Aug 2025379 AMAQI
8th Aug 20253810 AMAQI
8th Aug 20253811 AMAQI
8th Aug 20253712 PMAQI
8th Aug 2025361 PMAQI
8th Aug 2025362 PMAQI
8th Aug 2025373 PMAQI
8th Aug 2025364 PMAQI
8th Aug 2025365 PMAQI
8th Aug 2025426 PMAQI
8th Aug 2025407 PMAQI
8th Aug 2025388 PMAQI
8th Aug 2025389 PMAQI
8th Aug 20254510 PMAQI
8th Aug 20254411 PMAQI
9th Aug 20254512 AMAQI
9th Aug 2025461 AMAQI
9th Aug 2025432 AMAQI
9th Aug 2025383 AMAQI
9th Aug 2025384 AMAQI

24°C19/30°C

9th Aug 2025465 AMAQI
9th Aug 2025546 AMAQI
9th Aug 2025527 AMAQI
9th Aug 2025488 AMAQI
9th Aug 2025489 AMAQI
9th Aug 20255010 AMAQI
9th Aug 20254511 AMAQI
9th Aug 20254812 PMAQI
9th Aug 2025481 PMAQI
9th Aug 2025442 PMAQI
9th Aug 2025463 PMAQI
9th Aug 2025464 PMAQI
9th Aug 2025475 PMAQI
9th Aug 2025506 PMAQI
9th Aug 2025527 PMAQI
9th Aug 2025548 PMAQI
9th Aug 2025509 PMAQI
9th Aug 20254910 PMAQI
9th Aug 20254511 PMAQI
10th Aug 20254212 AMAQI
10th Aug 2025441 AMAQI
10th Aug 2025332 AMAQI
10th Aug 2025423 AMAQI
10th Aug 2025364 AMAQI

23°C20/28°C

10th Aug 2025355 AMAQI
10th Aug 2025406 AMAQI
10th Aug 2025417 AMAQI
10th Aug 2025408 AMAQI
10th Aug 2025499 AMAQI
10th Aug 20254010 AMAQI
10th Aug 20253311 AMAQI
10th Aug 20253412 PMAQI
10th Aug 2025371 PMAQI
10th Aug 2025362 PMAQI
10th Aug 2025363 PMAQI
10th Aug 2025384 PMAQI
10th Aug 2025365 PMAQI
10th Aug 2025406 PMAQI
10th Aug 2025407 PMAQI
10th Aug 2025418 PMAQI
10th Aug 2025419 PMAQI
10th Aug 20253910 PMAQI
10th Aug 20254311 PMAQI
11th Aug 20253712 AMAQI
11th Aug 2025401 AMAQI
11th Aug 2025392 AMAQI
11th Aug 2025343 AMAQI
11th Aug 2025324 AMAQI

24°C20/28°C

11th Aug 2025345 AMAQI
11th Aug 2025356 AMAQI
11th Aug 2025357 AMAQI
11th Aug 2025378 AMAQI
11th Aug 2025329 AMAQI
11th Aug 20253010 AMAQI
11th Aug 20253011 AMAQI
11th Aug 20253312 PMAQI
11th Aug 2025351 PMAQI
11th Aug 2025412 PMAQI
11th Aug 2025423 PMAQI
11th Aug 2025404 PMAQI
11th Aug 2025445 PMAQI
11th Aug 2025366 PMAQI
11th Aug 2025357 PMAQI
11th Aug 2025388 PMAQI
11th Aug 2025349 PMAQI
11th Aug 20253810 PMAQI
11th Aug 20253411 PMAQI
12th Aug 20252712 AMAQI
12th Aug 2025281 AMAQI
12th Aug 2025382 AMAQI
12th Aug 2025343 AMAQI
12th Aug 2025324 AMAQI

24°C20/28°C

12th Aug 2025315 AMAQI
12th Aug 2025326 AMAQI
12th Aug 2025327 AMAQI
12th Aug 2025328 AMAQI
12th Aug 2025329 AMAQI
12th Aug 20253110 AMAQI
12th Aug 20252911 AMAQI
12th Aug 20252812 PMAQI
12th Aug 2025291 PMAQI
12th Aug 2025302 PMAQI
12th Aug 2025293 PMAQI
12th Aug 2025304 PMAQI
12th Aug 2025335 PMAQI
12th Aug 2025306 PMAQI
12th Aug 2025327 PMAQI
12th Aug 2025348 PMAQI
12th Aug 2025349 PMAQI
12th Aug 20253210 PMAQI
12th Aug 20253811 PMAQI
13th Aug 20254812 AMAQI
13th Aug 2025441 AMAQI
13th Aug 2025462 AMAQI
13th Aug 2025383 AMAQI
13th Aug 2025334 AMAQI

23°C20/28°C

13th Aug 2025345 AMAQI
13th Aug 2025356 AMAQI
13th Aug 2025487 AMAQI
13th Aug 2025428 AMAQI
13th Aug 2025419 AMAQI
13th Aug 20254010 AMAQI
13th Aug 20254111 AMAQI
13th Aug 20254812 PMAQI
13th Aug 2025511 PMAQI
13th Aug 2025512 PMAQI
13th Aug 2025423 PMAQI
13th Aug 2025424 PMAQI
13th Aug 2025505 PMAQI
13th Aug 2025356 PMAQI
13th Aug 2025407 PMAQI
13th Aug 2025398 PMAQI
13th Aug 2025419 PMAQI
13th Aug 20255110 PMAQI
13th Aug 20255111 PMAQI
14th Aug 20255412 AMAQI
14th Aug 2025501 AMAQI
14th Aug 2025462 AMAQI
14th Aug 2025513 AMAQI
14th Aug 2025514 AMAQI

24°C20/29°C

14th Aug 2025515 AMAQI
14th Aug 2025516 AMAQI
14th Aug 2025577 AMAQI
14th Aug 2025548 AMAQI
14th Aug 2025559 AMAQI
14th Aug 20255410 AMAQI
14th Aug 20255211 AMAQI
14th Aug 20255612 PMAQI
14th Aug 2025561 PMAQI
14th Aug 2025582 PMAQI
14th Aug 2025553 PMAQI
14th Aug 2025544 PMAQI
14th Aug 2025535 PMAQI
14th Aug 2025546 PMAQI
14th Aug 2025547 PMAQI
14th Aug 2025558 PMAQI
14th Aug 2025569 PMAQI
14th Aug 20255510 PMAQI
14th Aug 20255311 PMAQI
15th Aug 20255712 AMAQI
15th Aug 2025511 AMAQI
15th Aug 2025532 AMAQI
15th Aug 2025483 AMAQI
15th Aug 2025464 AMAQI

24°C20/31°C

15th Aug 2025515 AMAQI
15th Aug 2025486 AMAQI
15th Aug 2025507 AMAQI
15th Aug 2025518 AMAQI
15th Aug 2025479 AMAQI
15th Aug 20254510 AMAQI
15th Aug 20254811 AMAQI
15th Aug 20253912 PMAQI
15th Aug 2025461 PMAQI
15th Aug 2025482 PMAQI
15th Aug 2025503 PMAQI
15th Aug 2025474 PMAQI
15th Aug 2025485 PMAQI
15th Aug 2025466 PMAQI
15th Aug 2025517 PMAQI
15th Aug 2025478 PMAQI
15th Aug 2025539 PMAQI
15th Aug 20255110 PMAQI
15th Aug 20255111 PMAQI
16th Aug 20255012 AMAQI
16th Aug 2025501 AMAQI
16th Aug 2025472 AMAQI
16th Aug 2025563 AMAQI
16th Aug 2025534 AMAQI

24°C19/30°C

16th Aug 2025545 AMAQI
16th Aug 2025426 AMAQI
16th Aug 2025387 AMAQI
16th Aug 2025408 AMAQI
16th Aug 2025449 AMAQI
16th Aug 20254710 AMAQI
16th Aug 20255111 AMAQI
16th Aug 20255012 PMAQI
16th Aug 2025531 PMAQI
16th Aug 2025532 PMAQI
16th Aug 2025543 PMAQI
16th Aug 2025584 PMAQI
16th Aug 2025585 PMAQI
16th Aug 2025506 PMAQI
16th Aug 2025477 PMAQI
16th Aug 2025558 PMAQI
16th Aug 2025499 PMAQI
16th Aug 20255610 PMAQI
16th Aug 20255511 PMAQI
17th Aug 20255412 AMAQI
17th Aug 2025541 AMAQI
17th Aug 2025562 AMAQI
17th Aug 2025513 AMAQI
17th Aug 2025524 AMAQI

23°C20/28°C

17th Aug 2025515 AMAQI
17th Aug 2025486 AMAQI
17th Aug 2025477 AMAQI
17th Aug 2025448 AMAQI
17th Aug 2025389 AMAQI
17th Aug 20253610 AMAQI
17th Aug 20253811 AMAQI
17th Aug 20254212 PMAQI
17th Aug 2025411 PMAQI
17th Aug 2025422 PMAQI
17th Aug 2025443 PMAQI
17th Aug 2025394 PMAQI
17th Aug 2025395 PMAQI
17th Aug 2025406 PMAQI
17th Aug 2025427 PMAQI
17th Aug 2025538 PMAQI
17th Aug 2025479 PMAQI
17th Aug 20253510 PMAQI
17th Aug 20254411 PMAQI
18th Aug 20254212 AMAQI
18th Aug 2025421 AMAQI
18th Aug 2025442 AMAQI
18th Aug 2025503 AMAQI
18th Aug 2025404 AMAQI

23°C20/29°C

18th Aug 2025455 AMAQI
18th Aug 2025476 AMAQI
18th Aug 2025387 AMAQI
18th Aug 2025468 AMAQI
18th Aug 2025489 AMAQI
18th Aug 20254710 AMAQI
18th Aug 20254711 AMAQI
18th Aug 20254512 PMAQI
18th Aug 2025521 PMAQI
18th Aug 2025512 PMAQI
18th Aug 2025483 PMAQI
18th Aug 2025484 PMAQI
18th Aug 2025495 PMAQI
18th Aug 2025406 PMAQI
18th Aug 2025407 PMAQI
18th Aug 2025468 PMAQI
18th Aug 2025499 PMAQI
18th Aug 20255010 PMAQI
18th Aug 20254611 PMAQI
19th Aug 20254712 AMAQI
19th Aug 2025441 AMAQI
19th Aug 2025472 AMAQI
19th Aug 2025483 AMAQI
19th Aug 2025484 AMAQI

23°C20/29°C

19th Aug 2025455 AMAQI
19th Aug 2025536 AMAQI
19th Aug 2025477 AMAQI
19th Aug 2025488 AMAQI
19th Aug 2025479 AMAQI
19th Aug 20254110 AMAQI
19th Aug 20254611 AMAQI
19th Aug 20254212 PMAQI
19th Aug 2025421 PMAQI
19th Aug 2025432 PMAQI
19th Aug 2025523 PMAQI
19th Aug 2025504 PMAQI
19th Aug 2025495 PMAQI
19th Aug 2025426 PMAQI
19th Aug 2025437 PMAQI
19th Aug 2025388 PMAQI
19th Aug 2025389 PMAQI
19th Aug 20254010 PMAQI
19th Aug 20254411 PMAQI
20th Aug 20254312 AMAQI
20th Aug 2025471 AMAQI
20th Aug 2025362 AMAQI
20th Aug 2025423 AMAQI
20th Aug 2025554 AMAQI

23°C20/28°C

20th Aug 2025595 AMAQI
20th Aug 2025636 AMAQI
20th Aug 2025607 AMAQI
20th Aug 2025628 AMAQI
20th Aug 2025489 AMAQI
20th Aug 20254410 AMAQI
20th Aug 20254311 AMAQI
20th Aug 20254312 PMAQI
20th Aug 2025541 PMAQI
20th Aug 2025482 PMAQI
20th Aug 2025483 PMAQI
20th Aug 2025504 PMAQI
20th Aug 2025505 PMAQI
20th Aug 2025516 PMAQI
20th Aug 2025457 PMAQI
20th Aug 2025438 PMAQI
20th Aug 2025439 PMAQI
20th Aug 20254110 PMAQI
20th Aug 20253911 PMAQI
21st Aug 20253212 AMAQI
21st Aug 2025331 AMAQI
21st Aug 2025322 AMAQI
21st Aug 2025363 AMAQI
21st Aug 2025424 AMAQI

24°C21/29°C

21st Aug 2025475 AMAQI
21st Aug 2025476 AMAQI
21st Aug 2025407 AMAQI
21st Aug 2025408 AMAQI
21st Aug 2025379 AMAQI
21st Aug 20254410 AMAQI
21st Aug 20254311 AMAQI
21st Aug 20254212 PMAQI
21st Aug 2025401 PMAQI
21st Aug 2025482 PMAQI
21st Aug 2025373 PMAQI
21st Aug 2025404 PMAQI
21st Aug 2025375 PMAQI
21st Aug 2025406 PMAQI
21st Aug 2025407 PMAQI
21st Aug 2025388 PMAQI
21st Aug 2025349 PMAQI
21st Aug 20254710 PMAQI
21st Aug 20254411 PMAQI
22nd Aug 20254712 AMAQI
22nd Aug 2025481 AMAQI
22nd Aug 2025472 AMAQI
22nd Aug 2025483 AMAQI
22nd Aug 2025374 AMAQI

24°C20/30°C

22nd Aug 2025485 AMAQI
22nd Aug 2025486 AMAQI
22nd Aug 2025467 AMAQI
22nd Aug 2025468 AMAQI
22nd Aug 2025449 AMAQI
22nd Aug 20254810 AMAQI
22nd Aug 20254711 AMAQI
22nd Aug 20254212 PMAQI
22nd Aug 2025471 PMAQI
22nd Aug 2025482 PMAQI
22nd Aug 2025443 PMAQI
22nd Aug 2025414 PMAQI
22nd Aug 2025485 PMAQI
22nd Aug 2025496 PMAQI
22nd Aug 2025457 PMAQI
22nd Aug 2025448 PMAQI
22nd Aug 2025509 PMAQI
22nd Aug 20254710 PMAQI
22nd Aug 20255611 PMAQI
23rd Aug 20255312 AMAQI
23rd Aug 2025501 AMAQI
23rd Aug 2025502 AMAQI
23rd Aug 2025493 AMAQI
23rd Aug 2025484 AMAQI

24°C20/29°C

23rd Aug 2025615 AMAQI
23rd Aug 2025546 AMAQI
23rd Aug 2025617 AMAQI
23rd Aug 2025608 AMAQI
23rd Aug 2025599 AMAQI
23rd Aug 20255810 AMAQI
23rd Aug 20255711 AMAQI
23rd Aug 20255412 PMAQI
23rd Aug 2025441 PMAQI
23rd Aug 2025422 PMAQI
23rd Aug 2025413 PMAQI
23rd Aug 2025394 PMAQI
23rd Aug 2025425 PMAQI
23rd Aug 2025486 PMAQI
23rd Aug 2025487 PMAQI
23rd Aug 2025468 PMAQI
23rd Aug 2025489 PMAQI
23rd Aug 20255210 PMAQI
23rd Aug 20255311 PMAQI
24th Aug 20255212 AMAQI
24th Aug 2025501 AMAQI
24th Aug 2025502 AMAQI
24th Aug 2025423 AMAQI
24th Aug 2025434 AMAQI

24°C21/29°C

24th Aug 2025405 AMAQI
24th Aug 2025426 AMAQI
24th Aug 2025447 AMAQI
24th Aug 2025428 AMAQI
24th Aug 2025449 AMAQI
24th Aug 20254710 AMAQI
24th Aug 20254111 AMAQI
24th Aug 20254212 PMAQI
24th Aug 2025411 PMAQI
24th Aug 2025422 PMAQI
24th Aug 2025373 PMAQI
24th Aug 2025374 PMAQI
24th Aug 2025385 PMAQI
24th Aug 2025426 PMAQI
24th Aug 2025397 PMAQI
24th Aug 2025468 PMAQI
24th Aug 2025449 PMAQI
24th Aug 20255210 PMAQI
24th Aug 20254611 PMAQI
25th Aug 20253812 AMAQI
25th Aug 2025321 AMAQI
25th Aug 2025412 AMAQI
25th Aug 2025433 AMAQI
25th Aug 2025524 AMAQI

24°C20/30°C

25th Aug 2025425 AMAQI
25th Aug 2025356 AMAQI
25th Aug 2025397 AMAQI
25th Aug 2025388 AMAQI
25th Aug 2025419 AMAQI
25th Aug 20253410 AMAQI
25th Aug 20253711 AMAQI
25th Aug 20254312 PMAQI
25th Aug 2025481 PMAQI
25th Aug 2025412 PMAQI
25th Aug 2025423 PMAQI
25th Aug 2025404 PMAQI
25th Aug 2025485 PMAQI
25th Aug 2025496 PMAQI
25th Aug 2025387 PMAQI
25th Aug 2025428 PMAQI
25th Aug 2025429 PMAQI
25th Aug 20253610 PMAQI
25th Aug 20254611 PMAQI
26th Aug 20254712 AMAQI
26th Aug 2025451 AMAQI
26th Aug 2025402 AMAQI
26th Aug 2025443 AMAQI
26th Aug 2025434 AMAQI

24°C21/29°C

26th Aug 2025335 AMAQI
26th Aug 2025486 AMAQI
26th Aug 2025507 AMAQI
26th Aug 2025538 AMAQI
26th Aug 2025429 AMAQI
26th Aug 20254410 AMAQI
26th Aug 20255411 AMAQI
26th Aug 20255412 PMAQI
26th Aug 2025551 PMAQI
26th Aug 2025562 PMAQI
26th Aug 2025563 PMAQI
26th Aug 2025554 PMAQI
26th Aug 2025545 PMAQI
26th Aug 2025516 PMAQI
26th Aug 2025457 PMAQI
26th Aug 2025508 PMAQI
26th Aug 2025499 PMAQI
26th Aug 20255210 PMAQI
26th Aug 20254811 PMAQI
27th Aug 20254712 AMAQI
27th Aug 2025501 AMAQI
27th Aug 2025412 AMAQI
27th Aug 2025403 AMAQI
27th Aug 2025354 AMAQI

25°C19/31°C

27th Aug 2025485 AMAQI
27th Aug 2025416 AMAQI
27th Aug 2025417 AMAQI
27th Aug 2025498 AMAQI
27th Aug 2025469 AMAQI
27th Aug 20254610 AMAQI
27th Aug 20254911 AMAQI
27th Aug 20255112 PMAQI
27th Aug 2025501 PMAQI
27th Aug 2025502 PMAQI
27th Aug 2025533 PMAQI
27th Aug 2025524 PMAQI
27th Aug 2025505 PMAQI
27th Aug 2025446 PMAQI
27th Aug 2025467 PMAQI
27th Aug 2025488 PMAQI
27th Aug 2025489 PMAQI
27th Aug 20254710 PMAQI
27th Aug 20254411 PMAQI
28th Aug 20254612 AMAQI
28th Aug 2025451 AMAQI
28th Aug 2025432 AMAQI
28th Aug 2025453 AMAQI
28th Aug 2025414 AMAQI

24°C21/31°C

28th Aug 2025445 AMAQI
28th Aug 2025416 AMAQI
28th Aug 2025467 AMAQI
28th Aug 2025428 AMAQI
28th Aug 2025479 AMAQI
28th Aug 20255010 AMAQI
28th Aug 20255211 AMAQI
28th Aug 20255012 PMAQI
28th Aug 2025451 PMAQI
28th Aug 2025432 PMAQI
28th Aug 2025443 PMAQI
28th Aug 2025444 PMAQI
28th Aug 2025465 PMAQI
28th Aug 2025416 PMAQI
28th Aug 2025367 PMAQI
28th Aug 2025418 PMAQI
28th Aug 2025399 PMAQI
28th Aug 20253910 PMAQI
28th Aug 20254511 PMAQI
29th Aug 20254612 AMAQI
29th Aug 2025461 AMAQI
29th Aug 2025502 AMAQI
29th Aug 2025483 AMAQI
29th Aug 2025504 AMAQI

24°C20/29°C

29th Aug 2025465 AMAQI
29th Aug 2025486 AMAQI
29th Aug 2025517 AMAQI
29th Aug 2025478 AMAQI
29th Aug 2025479 AMAQI
29th Aug 20255010 AMAQI
29th Aug 20255011 AMAQI
29th Aug 20254812 PMAQI
29th Aug 2025501 PMAQI
29th Aug 2025492 PMAQI
29th Aug 2025503 PMAQI
29th Aug 2025514 PMAQI
29th Aug 2025495 PMAQI
29th Aug 2025486 PMAQI
29th Aug 2025487 PMAQI
29th Aug 2025488 PMAQI
29th Aug 2025529 PMAQI
29th Aug 20254610 PMAQI
29th Aug 20254411 PMAQI
30th Aug 20255112 AMAQI
30th Aug 2025501 AMAQI
30th Aug 2025462 AMAQI
30th Aug 2025523 AMAQI
30th Aug 2025524 AMAQI

23°C20/28°C

30th Aug 2025485 AMAQI
30th Aug 2025436 AMAQI
30th Aug 2025447 AMAQI
30th Aug 2025448 AMAQI
30th Aug 2025459 AMAQI
30th Aug 20254410 AMAQI
30th Aug 20254311 AMAQI
30th Aug 20254312 PMAQI
30th Aug 2025471 PMAQI
30th Aug 2025502 PMAQI
30th Aug 2025523 PMAQI
30th Aug 2025524 PMAQI
30th Aug 2025505 PMAQI
30th Aug 2025466 PMAQI
30th Aug 2025527 PMAQI
30th Aug 2025508 PMAQI
30th Aug 2025499 PMAQI
30th Aug 20254410 PMAQI
30th Aug 20254011 PMAQI
31st Aug 20254612 AMAQI
31st Aug 2025361 AMAQI
31st Aug 2025382 AMAQI
31st Aug 2025403 AMAQI
31st Aug 2025524 AMAQI

23°C20/29°C

31st Aug 2025365 AMAQI
31st Aug 2025436 AMAQI
31st Aug 2025427 AMAQI
31st Aug 2025458 AMAQI
31st Aug 2025439 AMAQI
31st Aug 20255010 AMAQI
31st Aug 20254711 AMAQI
31st Aug 20254912 PMAQI
31st Aug 2025561 PMAQI
31st Aug 2025492 PMAQI
31st Aug 2025523 PMAQI
31st Aug 2025434 PMAQI
31st Aug 2025465 PMAQI
31st Aug 2025446 PMAQI
31st Aug 2025457 PMAQI
31st Aug 2025488 PMAQI
31st Aug 2025449 PMAQI
31st Aug 20254110 PMAQI
31st Aug 20254111 PMAQI
1st Sep 20253612 AMAQI
1st Sep 2025461 AMAQI
1st Sep 2025392 AMAQI
1st Sep 2025323 AMAQI
1st Sep 2025304 AMAQI

24°C20/30°C

1st Sep 2025285 AMAQI
1st Sep 2025346 AMAQI
1st Sep 2025407 AMAQI
1st Sep 2025458 AMAQI
1st Sep 2025339 AMAQI
1st Sep 20253810 AMAQI
1st Sep 20254011 AMAQI
1st Sep 20253812 PMAQI
1st Sep 2025391 PMAQI
1st Sep 2025442 PMAQI
1st Sep 2025403 PMAQI
1st Sep 2025374 PMAQI
1st Sep 2025345 PMAQI
1st Sep 2025406 PMAQI
1st Sep 2025397 PMAQI
1st Sep 2025328 PMAQI
1st Sep 2025329 PMAQI
1st Sep 20253510 PMAQI
1st Sep 20253511 PMAQI
2nd Sep 20253612 AMAQI
2nd Sep 2025361 AMAQI
2nd Sep 2025332 AMAQI
2nd Sep 2025303 AMAQI
2nd Sep 2025274 AMAQI

24°C20/30°C

2nd Sep 2025315 AMAQI
2nd Sep 2025306 AMAQI
2nd Sep 2025297 AMAQI
2nd Sep 2025278 AMAQI
2nd Sep 2025339 AMAQI
2nd Sep 20253410 AMAQI
2nd Sep 20254011 AMAQI
2nd Sep 20253512 PMAQI
2nd Sep 2025361 PMAQI
2nd Sep 2025372 PMAQI
2nd Sep 2025373 PMAQI
2nd Sep 2025374 PMAQI
2nd Sep 2025425 PMAQI
2nd Sep 2025346 PMAQI
2nd Sep 2025367 PMAQI
2nd Sep 2025418 PMAQI
2nd Sep 2025429 PMAQI
2nd Sep 20254110 PMAQI
2nd Sep 20254311 PMAQI
3rd Sep 20254212 AMAQI
3rd Sep 2025461 AMAQI
3rd Sep 2025362 AMAQI
3rd Sep 2025403 AMAQI

23°C21/29°C

5 AM
11 AM
6 PM
11 PM
4 AM

--°C/°C

Day time
Avg. Highest Time
5 AM - 8 AM

44AQI

4 hours / Day
120 hours / Month
Avg. Lowest Time
5 AM - 6 PM

44AQI

14 hours / Day
420 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 5 AM to 8 AM (Avg. 44), while the lowest AQI was between 5 AM to 6 PM (Avg. 44).
Night time
Avg. Highest Time
12 AM - 11 PM

43AQI

10 hours / Day
300 hours / Month
Avg. Lowest Time
12 AM - 11 PM

43AQI

10 hours / Day
300 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 12 AM to 11 PM (Avg. 43), while the lowest AQI was between 12 AM to 11 PM (Avg. 43).

2025 Days Vs Air Quality

Utec Campus, San Salvador, San Salvador, El Salvador

2025

45%

110

55%

134

Total number of days with different AQI categories in last 246 days in 2025 (119 days remaining)

Good
110 Days
Moderate
134 Days
Poor
0 Days
Unhealthy
0 Days
Severe
0 Days
Hazardous
0 Days

Under WHO’s Safe Air Quality Limits: 45%

Health Risk Level:

Significant

In 2025, 45% of 246 days were within WHO’s safe air quality limits, and 55% exceeded them. The risk of health issues is Significant, especially for those with existing respiratory or heart conditions.

Annual Air Quality Insights

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

54AQI

55AQI

55AQI

53AQI

52AQI

37AQI

38AQI

45AQI

36AQI

No. of days

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

202549AQI

2
29
1
27
1
30
5
25
11
20
30
31
28
3
1
110
134

Highest AQI recorded in

February

55AQI

Lowest AQI recorded in

September

36AQI

202447AQI

15
1
1
2
10
11
18
25
6
26
5
3
19
4
14
16
6
25
121
86

Highest AQI recorded in

March

66AQI

Lowest AQI recorded in

January

34AQI

202327AQI

3
28
3
31
3

Highest AQI recorded in

December

28AQI

Lowest AQI recorded in

November

17AQI

202068AQI

3
4
6
8
1
1
1
2
1
3
4
22
19
12
1
15
2
30
61
14

Highest AQI recorded in

April

100AQI

Lowest AQI recorded in

August

54AQI

Most & Least Polluted Years Over the Last 4 Years

Most Polluted Year Recorded
2020(Avg.)
68AQI
Least Polluted Year Recorded
2023(Avg.)
27AQI

Utec Campus's annual 2025 AQI (49) shows an average percentage change of 18.5% (worsened AQI) compared to previous years: 2020 (68), 2023 (27), 2024 (47).