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+
August Air Quality Analysis
San Salvador, San Salvador, El Salvador
2021
2022
2023
2024
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
12th Aug 2023
130AQILowest AQI recorded on
12th Aug 2025
32AQISame Day Analysis (21st August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 4th highest AQI at 38 of Good air quality, showing improvement over 2024, 2023 and 2021 on the same day.
Download 2024 Annual Data
World Air Quality Report
Day & Night AQI Trend: 21st Aug - 22nd Aug 2025
San Salvador, San Salvador, El Salvador
AQI
Day
Night
.
5 AM21st Aug 2025
6 PM
4 AM22nd Aug 2025
Day time
Avg. Highest Time
6AM21st Aug
45AQI
Avg. Lowest Time
5PM21st Aug
36AQI
Night time
Avg. Highest Time
1AM22nd Aug
54AQI
Avg. Lowest Time
9PM21st Aug
35AQI
In the last 24 hours,
San Salvador's AQI reached its highest point of 54 at 1 AM during the Night, while the lowest point, 35, was recorded at 9 PM during the Night between 21st Aug and 22nd Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
San Salvador, San Salvador, El Salvador
JulAug
23rd - 24th24th - 25th25th - 26th26th - 27th27th - 28th28th - 29th29th - 30th30th - 31st31st - 01st01st - 02nd02nd - 03rd03rd - 04th04th - 05th05th - 06th06th - 07th07th - 08th08th - 09th09th - 10th10th - 11th11th - 12th12th - 13th13th - 14th14th - 15th15th - 16th16th - 17th17th - 18th18th - 19th19th - 20th20th - 21st21st - 22nd22nd
Day
Night
23rd Jul 2025515 AMAQI
23rd Jul 2025516 AMAQI
23rd Jul 2025517 AMAQI
23rd Jul 2025518 AMAQI
23rd Jul 2025529 AMAQI
23rd Jul 20255110 AMAQI
23rd Jul 20254411 AMAQI
23rd Jul 20254512 PMAQI
23rd Jul 2025441 PMAQI
23rd Jul 2025482 PMAQI
23rd Jul 2025473 PMAQI
23rd Jul 2025484 PMAQI
23rd Jul 2025475 PMAQI
23rd Jul 2025476 PMAQI
23rd Jul 2025487 PMAQI
23rd Jul 2025488 PMAQI
23rd Jul 2025519 PMAQI
23rd Jul 20255110 PMAQI
23rd Jul 20255311 PMAQI
24th Jul 20255012 AMAQI
24th Jul 2025381 AMAQI
24th Jul 2025362 AMAQI
24th Jul 2025353 AMAQI
24th Jul 2025344 AMAQI
24°C20/31°C
24th Jul 2025355 AMAQI
24th Jul 2025376 AMAQI
24th Jul 2025407 AMAQI
24th Jul 2025408 AMAQI
24th Jul 2025399 AMAQI
24th Jul 20253910 AMAQI
24th Jul 20254111 AMAQI
24th Jul 20254212 PMAQI
24th Jul 2025351 PMAQI
24th Jul 2025372 PMAQI
24th Jul 2025383 PMAQI
24th Jul 2025384 PMAQI
24th Jul 2025385 PMAQI
24th Jul 2025386 PMAQI
24th Jul 2025387 PMAQI
24th Jul 2025398 PMAQI
24th Jul 2025399 PMAQI
24th Jul 20254010 PMAQI
24th Jul 20253811 PMAQI
25th Jul 20253912 AMAQI
25th Jul 2025381 AMAQI
25th Jul 2025292 AMAQI
25th Jul 2025263 AMAQI
25th Jul 2025264 AMAQI
24°C20/30°C
25th Jul 2025295 AMAQI
25th Jul 2025366 AMAQI
25th Jul 2025387 AMAQI
25th Jul 2025388 AMAQI
25th Jul 2025359 AMAQI
25th Jul 20253510 AMAQI
25th Jul 20253311 AMAQI
25th Jul 20253112 PMAQI
25th Jul 2025321 PMAQI
25th Jul 2025372 PMAQI
25th Jul 2025343 PMAQI
25th Jul 2025334 PMAQI
25th Jul 2025345 PMAQI
25th Jul 2025386 PMAQI
25th Jul 2025367 PMAQI
25th Jul 2025348 PMAQI
25th Jul 2025349 PMAQI
25th Jul 20253410 PMAQI
25th Jul 20253311 PMAQI
26th Jul 20253512 AMAQI
26th Jul 2025351 AMAQI
26th Jul 2025322 AMAQI
26th Jul 2025373 AMAQI
26th Jul 2025344 AMAQI
24°C20/30°C
26th Jul 2025375 AMAQI
26th Jul 2025356 AMAQI
26th Jul 2025357 AMAQI
26th Jul 2025388 AMAQI
26th Jul 2025399 AMAQI
26th Jul 20253810 AMAQI
26th Jul 20253511 AMAQI
26th Jul 20253712 PMAQI
26th Jul 2025361 PMAQI
26th Jul 2025342 PMAQI
26th Jul 2025363 PMAQI
26th Jul 2025344 PMAQI
26th Jul 2025345 PMAQI
26th Jul 2025336 PMAQI
26th Jul 2025347 PMAQI
26th Jul 2025348 PMAQI
26th Jul 2025359 PMAQI
26th Jul 20253210 PMAQI
26th Jul 20253311 PMAQI
27th Jul 20253312 AMAQI
27th Jul 2025271 AMAQI
27th Jul 2025322 AMAQI
27th Jul 2025293 AMAQI
27th Jul 2025344 AMAQI
23°C20/27°C
27th Jul 2025325 AMAQI
27th Jul 2025356 AMAQI
27th Jul 2025327 AMAQI
27th Jul 2025378 AMAQI
27th Jul 2025379 AMAQI
27th Jul 20253610 AMAQI
27th Jul 20253311 AMAQI
27th Jul 20253612 PMAQI
27th Jul 2025301 PMAQI
27th Jul 2025332 PMAQI
27th Jul 2025333 PMAQI
27th Jul 2025344 PMAQI
27th Jul 2025325 PMAQI
27th Jul 2025386 PMAQI
27th Jul 2025357 PMAQI
27th Jul 2025318 PMAQI
27th Jul 2025319 PMAQI
27th Jul 20253210 PMAQI
27th Jul 20253211 PMAQI
28th Jul 20253612 AMAQI
28th Jul 2025301 AMAQI
28th Jul 2025262 AMAQI
28th Jul 2025253 AMAQI
28th Jul 2025274 AMAQI
23°C21/29°C
28th Jul 2025265 AMAQI
28th Jul 2025296 AMAQI
28th Jul 2025327 AMAQI
28th Jul 2025338 AMAQI
28th Jul 2025389 AMAQI
28th Jul 20253710 AMAQI
28th Jul 20253311 AMAQI
28th Jul 20254012 PMAQI
28th Jul 2025421 PMAQI
28th Jul 2025352 PMAQI
28th Jul 2025323 PMAQI
28th Jul 2025324 PMAQI
28th Jul 2025345 PMAQI
28th Jul 2025336 PMAQI
28th Jul 2025337 PMAQI
28th Jul 2025328 PMAQI
28th Jul 2025329 PMAQI
28th Jul 20253310 PMAQI
28th Jul 20253611 PMAQI
29th Jul 20252912 AMAQI
29th Jul 2025291 AMAQI
29th Jul 2025342 AMAQI
29th Jul 2025313 AMAQI
29th Jul 2025304 AMAQI
24°C20/30°C
29th Jul 2025325 AMAQI
29th Jul 2025346 AMAQI
29th Jul 2025377 AMAQI
29th Jul 2025388 AMAQI
29th Jul 2025389 AMAQI
29th Jul 20253910 AMAQI
29th Jul 20254011 AMAQI
29th Jul 20254112 PMAQI
29th Jul 2025391 PMAQI
29th Jul 2025372 PMAQI
29th Jul 2025373 PMAQI
29th Jul 2025354 PMAQI
29th Jul 2025385 PMAQI
29th Jul 2025366 PMAQI
29th Jul 2025367 PMAQI
29th Jul 2025338 PMAQI
29th Jul 2025339 PMAQI
29th Jul 20253510 PMAQI
29th Jul 20253411 PMAQI
30th Jul 20253612 AMAQI
30th Jul 2025341 AMAQI
30th Jul 2025292 AMAQI
30th Jul 2025303 AMAQI
30th Jul 2025314 AMAQI
23°C20/29°C
30th Jul 2025335 AMAQI
30th Jul 2025366 AMAQI
30th Jul 2025357 AMAQI
30th Jul 2025398 AMAQI
30th Jul 2025369 AMAQI
30th Jul 20253710 AMAQI
30th Jul 20254211 AMAQI
30th Jul 20254512 PMAQI
30th Jul 2025471 PMAQI
30th Jul 2025482 PMAQI
30th Jul 2025483 PMAQI
30th Jul 2025484 PMAQI
30th Jul 2025485 PMAQI
30th Jul 2025486 PMAQI
30th Jul 2025487 PMAQI
30th Jul 2025388 PMAQI
30th Jul 2025379 PMAQI
30th Jul 20253710 PMAQI
30th Jul 20253611 PMAQI
31st Jul 20253812 AMAQI
31st Jul 2025431 AMAQI
31st Jul 2025322 AMAQI
31st Jul 2025323 AMAQI
31st Jul 2025324 AMAQI
24°C20/30°C
31st Jul 2025355 AMAQI
31st Jul 2025456 AMAQI
31st Jul 2025417 AMAQI
31st Jul 2025418 AMAQI
31st Jul 2025429 AMAQI
31st Jul 20254510 AMAQI
31st Jul 20254711 AMAQI
31st Jul 20254712 PMAQI
31st Jul 2025401 PMAQI
31st Jul 2025432 PMAQI
31st Jul 2025443 PMAQI
31st Jul 2025404 PMAQI
31st Jul 2025395 PMAQI
31st Jul 2025446 PMAQI
31st Jul 2025407 PMAQI
31st Jul 2025398 PMAQI
31st Jul 2025319 PMAQI
31st Jul 20253110 PMAQI
31st Jul 20253511 PMAQI
1st Aug 20253712 AMAQI
1st Aug 2025421 AMAQI
1st Aug 2025432 AMAQI
1st Aug 2025393 AMAQI
1st Aug 2025474 AMAQI
24°C20/30°C
1st Aug 2025405 AMAQI
1st Aug 2025386 AMAQI
1st Aug 2025427 AMAQI
1st Aug 2025538 AMAQI
1st Aug 2025509 AMAQI
1st Aug 20254910 AMAQI
1st Aug 20254711 AMAQI
1st Aug 20255012 PMAQI
1st Aug 2025501 PMAQI
1st Aug 2025542 PMAQI
1st Aug 2025503 PMAQI
1st Aug 2025484 PMAQI
1st Aug 2025495 PMAQI
1st Aug 2025446 PMAQI
1st Aug 2025487 PMAQI
1st Aug 2025508 PMAQI
1st Aug 2025529 PMAQI
1st Aug 20254910 PMAQI
1st Aug 20254911 PMAQI
2nd Aug 20254712 AMAQI
2nd Aug 2025501 AMAQI
2nd Aug 2025462 AMAQI
2nd Aug 2025443 AMAQI
2nd Aug 2025534 AMAQI
24°C20/30°C
2nd Aug 2025485 AMAQI
2nd Aug 2025486 AMAQI
2nd Aug 2025487 AMAQI
2nd Aug 2025498 AMAQI
2nd Aug 2025479 AMAQI
2nd Aug 20255110 AMAQI
2nd Aug 20254811 AMAQI
2nd Aug 20254812 PMAQI
2nd Aug 2025451 PMAQI
2nd Aug 2025422 PMAQI
2nd Aug 2025413 PMAQI
2nd Aug 2025424 PMAQI
2nd Aug 2025435 PMAQI
2nd Aug 2025456 PMAQI
2nd Aug 2025427 PMAQI
2nd Aug 2025468 PMAQI
2nd Aug 2025419 PMAQI
2nd Aug 20253210 PMAQI
2nd Aug 20253811 PMAQI
3rd Aug 20253812 AMAQI
3rd Aug 2025381 AMAQI
3rd Aug 2025412 AMAQI
3rd Aug 2025433 AMAQI
3rd Aug 2025454 AMAQI
24°C20/30°C
3rd Aug 2025445 AMAQI
3rd Aug 2025436 AMAQI
3rd Aug 2025437 AMAQI
3rd Aug 2025408 AMAQI
3rd Aug 2025449 AMAQI
3rd Aug 20254410 AMAQI
3rd Aug 20253711 AMAQI
3rd Aug 20254112 PMAQI
3rd Aug 2025451 PMAQI
3rd Aug 2025422 PMAQI
3rd Aug 2025453 PMAQI
3rd Aug 2025414 PMAQI
3rd Aug 2025375 PMAQI
3rd Aug 2025396 PMAQI
3rd Aug 2025437 PMAQI
3rd Aug 2025418 PMAQI
3rd Aug 2025409 PMAQI
3rd Aug 20254710 PMAQI
3rd Aug 20254711 PMAQI
4th Aug 20254612 AMAQI
4th Aug 2025431 AMAQI
4th Aug 2025462 AMAQI
4th Aug 2025443 AMAQI
4th Aug 2025434 AMAQI
24°C19/30°C
4th Aug 2025395 AMAQI
4th Aug 2025366 AMAQI
4th Aug 2025477 AMAQI
4th Aug 2025408 AMAQI
4th Aug 2025439 AMAQI
4th Aug 20254210 AMAQI
4th Aug 20254511 AMAQI
4th Aug 20254412 PMAQI
4th Aug 2025461 PMAQI
4th Aug 2025472 PMAQI
4th Aug 2025453 PMAQI
4th Aug 2025404 PMAQI
4th Aug 2025405 PMAQI
4th Aug 2025446 PMAQI
4th Aug 2025407 PMAQI
4th Aug 2025368 PMAQI
4th Aug 2025349 PMAQI
4th Aug 20253010 PMAQI
4th Aug 20253111 PMAQI
5th Aug 20253712 AMAQI
5th Aug 2025381 AMAQI
5th Aug 2025382 AMAQI
5th Aug 2025383 AMAQI
5th Aug 2025394 AMAQI
24°C20/30°C
5th Aug 2025395 AMAQI
5th Aug 2025416 AMAQI
5th Aug 2025457 AMAQI
5th Aug 2025478 AMAQI
5th Aug 2025499 AMAQI
5th Aug 20255110 AMAQI
5th Aug 20255211 AMAQI
5th Aug 20255212 PMAQI
5th Aug 2025471 PMAQI
5th Aug 2025442 PMAQI
5th Aug 2025473 PMAQI
5th Aug 2025484 PMAQI
5th Aug 2025445 PMAQI
5th Aug 2025356 PMAQI
5th Aug 2025417 PMAQI
5th Aug 2025478 PMAQI
5th Aug 2025469 PMAQI
5th Aug 20254310 PMAQI
5th Aug 20254611 PMAQI
6th Aug 20253812 AMAQI
6th Aug 2025331 AMAQI
6th Aug 2025332 AMAQI
6th Aug 2025323 AMAQI
6th Aug 2025334 AMAQI
22°C20/25°C
6th Aug 2025485 AMAQI
6th Aug 2025496 AMAQI
6th Aug 2025447 AMAQI
6th Aug 2025508 AMAQI
6th Aug 2025489 AMAQI
6th Aug 20255010 AMAQI
6th Aug 20255011 AMAQI
6th Aug 20255112 PMAQI
6th Aug 2025461 PMAQI
6th Aug 2025422 PMAQI
6th Aug 2025423 PMAQI
6th Aug 2025424 PMAQI
6th Aug 2025425 PMAQI
6th Aug 2025406 PMAQI
6th Aug 2025407 PMAQI
6th Aug 2025428 PMAQI
6th Aug 2025409 PMAQI
6th Aug 20254110 PMAQI
6th Aug 20254411 PMAQI
7th Aug 20253812 AMAQI
7th Aug 2025341 AMAQI
7th Aug 2025292 AMAQI
7th Aug 2025273 AMAQI
7th Aug 2025274 AMAQI
24°C20/31°C
7th Aug 2025285 AMAQI
7th Aug 2025336 AMAQI
7th Aug 2025357 AMAQI
7th Aug 2025358 AMAQI
7th Aug 2025329 AMAQI
7th Aug 20253110 AMAQI
7th Aug 20253811 AMAQI
7th Aug 20254012 PMAQI
7th Aug 2025341 PMAQI
7th Aug 2025322 PMAQI
7th Aug 2025333 PMAQI
7th Aug 2025344 PMAQI
7th Aug 2025345 PMAQI
7th Aug 2025346 PMAQI
7th Aug 2025357 PMAQI
7th Aug 2025348 PMAQI
7th Aug 2025369 PMAQI
7th Aug 20253410 PMAQI
7th Aug 20253311 PMAQI
8th Aug 20253812 AMAQI
8th Aug 2025391 AMAQI
8th Aug 2025332 AMAQI
8th Aug 2025403 AMAQI
8th Aug 2025374 AMAQI
24°C20/30°C
8th Aug 2025335 AMAQI
8th Aug 2025366 AMAQI
8th Aug 2025347 AMAQI
8th Aug 2025358 AMAQI
8th Aug 2025399 AMAQI
8th Aug 20253910 AMAQI
8th Aug 20254211 AMAQI
8th Aug 20253912 PMAQI
8th Aug 2025371 PMAQI
8th Aug 2025362 PMAQI
8th Aug 2025363 PMAQI
8th Aug 2025364 PMAQI
8th Aug 2025355 PMAQI
8th Aug 2025396 PMAQI
8th Aug 2025387 PMAQI
8th Aug 2025368 PMAQI
8th Aug 2025369 PMAQI
8th Aug 20254210 PMAQI
8th Aug 20254211 PMAQI
9th Aug 20254512 AMAQI
9th Aug 2025491 AMAQI
9th Aug 2025482 AMAQI
9th Aug 2025433 AMAQI
9th Aug 2025434 AMAQI
24°C19/30°C
9th Aug 2025485 AMAQI
9th Aug 2025536 AMAQI
9th Aug 2025537 AMAQI
9th Aug 2025508 AMAQI
9th Aug 2025509 AMAQI
9th Aug 20255210 AMAQI
9th Aug 20255011 AMAQI
9th Aug 20255212 PMAQI
9th Aug 2025501 PMAQI
9th Aug 2025472 PMAQI
9th Aug 2025493 PMAQI
9th Aug 2025484 PMAQI
9th Aug 2025495 PMAQI
9th Aug 2025516 PMAQI
9th Aug 2025537 PMAQI
9th Aug 2025548 PMAQI
9th Aug 2025529 PMAQI
9th Aug 20255010 PMAQI
9th Aug 20254711 PMAQI
10th Aug 20254612 AMAQI
10th Aug 2025461 AMAQI
10th Aug 2025392 AMAQI
10th Aug 2025453 AMAQI
10th Aug 2025414 AMAQI
23°C20/28°C
10th Aug 2025405 AMAQI
10th Aug 2025436 AMAQI
10th Aug 2025447 AMAQI
10th Aug 2025448 AMAQI
10th Aug 2025499 AMAQI
10th Aug 20254410 AMAQI
10th Aug 20253911 AMAQI
10th Aug 20253912 PMAQI
10th Aug 2025401 PMAQI
10th Aug 2025412 PMAQI
10th Aug 2025403 PMAQI
10th Aug 2025414 PMAQI
10th Aug 2025415 PMAQI
10th Aug 2025446 PMAQI
10th Aug 2025447 PMAQI
10th Aug 2025448 PMAQI
10th Aug 2025449 PMAQI
10th Aug 20254310 PMAQI
10th Aug 20254611 PMAQI
11th Aug 20254512 AMAQI
11th Aug 2025441 AMAQI
11th Aug 2025392 AMAQI
11th Aug 2025373 AMAQI
11th Aug 2025354 AMAQI
24°C20/28°C
11th Aug 2025345 AMAQI
11th Aug 2025366 AMAQI
11th Aug 2025357 AMAQI
11th Aug 2025368 AMAQI
11th Aug 2025329 AMAQI
11th Aug 20253210 AMAQI
11th Aug 20253311 AMAQI
11th Aug 20253512 PMAQI
11th Aug 2025371 PMAQI
11th Aug 2025422 PMAQI
11th Aug 2025433 PMAQI
11th Aug 2025444 PMAQI
11th Aug 2025465 PMAQI
11th Aug 2025376 PMAQI
11th Aug 2025387 PMAQI
11th Aug 2025438 PMAQI
11th Aug 2025419 PMAQI
11th Aug 20253910 PMAQI
11th Aug 20253511 PMAQI
12th Aug 20253412 AMAQI
12th Aug 2025331 AMAQI
12th Aug 2025402 AMAQI
12th Aug 2025363 AMAQI
12th Aug 2025344 AMAQI
24°C20/28°C
12th Aug 2025315 AMAQI
12th Aug 2025346 AMAQI
12th Aug 2025317 AMAQI
12th Aug 2025348 AMAQI
12th Aug 2025349 AMAQI
12th Aug 20253310 AMAQI
12th Aug 20253211 AMAQI
12th Aug 20253112 PMAQI
12th Aug 2025311 PMAQI
12th Aug 2025312 PMAQI
12th Aug 2025303 PMAQI
12th Aug 2025324 PMAQI
12th Aug 2025335 PMAQI
12th Aug 2025326 PMAQI
12th Aug 2025337 PMAQI
12th Aug 2025388 PMAQI
12th Aug 2025399 PMAQI
12th Aug 20253410 PMAQI
12th Aug 20253911 PMAQI
13th Aug 20254512 AMAQI
13th Aug 2025431 AMAQI
13th Aug 2025442 AMAQI
13th Aug 2025343 AMAQI
13th Aug 2025324 AMAQI
23°C20/28°C
13th Aug 2025335 AMAQI
13th Aug 2025326 AMAQI
13th Aug 2025457 AMAQI
13th Aug 2025448 AMAQI
13th Aug 2025429 AMAQI
13th Aug 20254110 AMAQI
13th Aug 20254111 AMAQI
13th Aug 20255112 PMAQI
13th Aug 2025521 PMAQI
13th Aug 2025522 PMAQI
13th Aug 2025463 PMAQI
13th Aug 2025464 PMAQI
13th Aug 2025515 PMAQI
13th Aug 2025366 PMAQI
13th Aug 2025417 PMAQI
13th Aug 2025418 PMAQI
13th Aug 2025439 PMAQI
13th Aug 20255110 PMAQI
13th Aug 20255311 PMAQI
14th Aug 20255512 AMAQI
14th Aug 2025531 AMAQI
14th Aug 2025482 AMAQI
14th Aug 2025503 AMAQI
14th Aug 2025504 AMAQI
24°C20/29°C
14th Aug 2025505 AMAQI
14th Aug 2025516 AMAQI
14th Aug 2025567 AMAQI
14th Aug 2025558 AMAQI
14th Aug 2025559 AMAQI
14th Aug 20255410 AMAQI
14th Aug 20255411 AMAQI
14th Aug 20255712 PMAQI
14th Aug 2025561 PMAQI
14th Aug 2025582 PMAQI
14th Aug 2025553 PMAQI
14th Aug 2025544 PMAQI
14th Aug 2025545 PMAQI
14th Aug 2025546 PMAQI
14th Aug 2025547 PMAQI
14th Aug 2025568 PMAQI
14th Aug 2025569 PMAQI
14th Aug 20255510 PMAQI
14th Aug 20255411 PMAQI
15th Aug 20255412 AMAQI
15th Aug 2025491 AMAQI
15th Aug 2025512 AMAQI
15th Aug 2025463 AMAQI
15th Aug 2025474 AMAQI
24°C20/31°C
15th Aug 2025495 AMAQI
15th Aug 2025466 AMAQI
15th Aug 2025467 AMAQI
15th Aug 2025468 AMAQI
15th Aug 2025449 AMAQI
15th Aug 20254210 AMAQI
15th Aug 20254511 AMAQI
15th Aug 20253812 PMAQI
15th Aug 2025441 PMAQI
15th Aug 2025472 PMAQI
15th Aug 2025493 PMAQI
15th Aug 2025464 PMAQI
15th Aug 2025445 PMAQI
15th Aug 2025446 PMAQI
15th Aug 2025477 PMAQI
15th Aug 2025458 PMAQI
15th Aug 2025489 PMAQI
15th Aug 20254510 PMAQI
15th Aug 20254311 PMAQI
16th Aug 20254412 AMAQI
16th Aug 2025461 AMAQI
16th Aug 2025442 AMAQI
16th Aug 2025513 AMAQI
16th Aug 2025494 AMAQI
24°C19/30°C
16th Aug 2025495 AMAQI
16th Aug 2025416 AMAQI
16th Aug 2025387 AMAQI
16th Aug 2025408 AMAQI
16th Aug 2025449 AMAQI
16th Aug 20254610 AMAQI
16th Aug 20255111 AMAQI
16th Aug 20255212 PMAQI
16th Aug 2025551 PMAQI
16th Aug 2025552 PMAQI
16th Aug 2025563 PMAQI
16th Aug 2025604 PMAQI
16th Aug 2025605 PMAQI
16th Aug 2025486 PMAQI
16th Aug 2025487 PMAQI
16th Aug 2025548 PMAQI
16th Aug 2025519 PMAQI
16th Aug 20255710 PMAQI
16th Aug 20255611 PMAQI
17th Aug 20255612 AMAQI
17th Aug 2025551 AMAQI
17th Aug 2025562 AMAQI
17th Aug 2025523 AMAQI
17th Aug 2025524 AMAQI
23°C20/28°C
17th Aug 2025565 AMAQI
17th Aug 2025506 AMAQI
17th Aug 2025487 AMAQI
17th Aug 2025468 AMAQI
17th Aug 2025429 AMAQI
17th Aug 20254010 AMAQI
17th Aug 20254111 AMAQI
17th Aug 20254312 PMAQI
17th Aug 2025441 PMAQI
17th Aug 2025442 PMAQI
17th Aug 2025443 PMAQI
17th Aug 2025404 PMAQI
17th Aug 2025395 PMAQI
17th Aug 2025446 PMAQI
17th Aug 2025457 PMAQI
17th Aug 2025508 PMAQI
17th Aug 2025469 PMAQI
17th Aug 20253310 PMAQI
17th Aug 20253811 PMAQI
18th Aug 20253812 AMAQI
18th Aug 2025381 AMAQI
18th Aug 2025362 AMAQI
18th Aug 2025403 AMAQI
18th Aug 2025384 AMAQI
23°C20/29°C
18th Aug 2025395 AMAQI
18th Aug 2025426 AMAQI
18th Aug 2025387 AMAQI
18th Aug 2025438 AMAQI
18th Aug 2025449 AMAQI
18th Aug 20254410 AMAQI
18th Aug 20254311 AMAQI
18th Aug 20254112 PMAQI
18th Aug 2025471 PMAQI
18th Aug 2025462 PMAQI
18th Aug 2025423 PMAQI
18th Aug 2025424 PMAQI
18th Aug 2025445 PMAQI
18th Aug 2025376 PMAQI
18th Aug 2025377 PMAQI
18th Aug 2025438 PMAQI
18th Aug 2025449 PMAQI
18th Aug 20254310 PMAQI
18th Aug 20254111 PMAQI
19th Aug 20254112 AMAQI
19th Aug 2025381 AMAQI
19th Aug 2025442 AMAQI
19th Aug 2025433 AMAQI
19th Aug 2025454 AMAQI
23°C20/29°C
19th Aug 2025425 AMAQI
19th Aug 2025476 AMAQI
19th Aug 2025437 AMAQI
19th Aug 2025448 AMAQI
19th Aug 2025439 AMAQI
19th Aug 20253910 AMAQI
19th Aug 20254111 AMAQI
19th Aug 20253912 PMAQI
19th Aug 2025391 PMAQI
19th Aug 2025412 PMAQI
19th Aug 2025473 PMAQI
19th Aug 2025444 PMAQI
19th Aug 2025455 PMAQI
19th Aug 2025396 PMAQI
19th Aug 2025387 PMAQI
19th Aug 2025358 PMAQI
19th Aug 2025389 PMAQI
19th Aug 20253610 PMAQI
19th Aug 20253811 PMAQI
20th Aug 20253712 AMAQI
20th Aug 2025411 AMAQI
20th Aug 2025342 AMAQI
20th Aug 2025383 AMAQI
20th Aug 2025484 AMAQI
23°C20/28°C
20th Aug 2025525 AMAQI
20th Aug 2025556 AMAQI
20th Aug 2025527 AMAQI
20th Aug 2025548 AMAQI
20th Aug 2025479 AMAQI
20th Aug 20254410 AMAQI
20th Aug 20254111 AMAQI
20th Aug 20254012 PMAQI
20th Aug 2025481 PMAQI
20th Aug 2025442 PMAQI
20th Aug 2025463 PMAQI
20th Aug 2025474 PMAQI
20th Aug 2025475 PMAQI
20th Aug 2025446 PMAQI
20th Aug 2025417 PMAQI
20th Aug 2025418 PMAQI
20th Aug 2025409 PMAQI
20th Aug 20253910 PMAQI
20th Aug 20253711 PMAQI
21st Aug 20253212 AMAQI
21st Aug 2025341 AMAQI
21st Aug 2025322 AMAQI
21st Aug 2025343 AMAQI
21st Aug 2025414 AMAQI
24°C21/29°C
21st Aug 2025435 AMAQI
21st Aug 2025456 AMAQI
21st Aug 2025407 AMAQI
21st Aug 2025408 AMAQI
21st Aug 2025399 AMAQI
21st Aug 20254310 AMAQI
21st Aug 20254411 AMAQI
21st Aug 20254212 PMAQI
21st Aug 2025401 PMAQI
21st Aug 2025442 PMAQI
21st Aug 2025373 PMAQI
21st Aug 2025394 PMAQI
21st Aug 2025365 PMAQI
21st Aug 2025376 PMAQI
21st Aug 2025387 PMAQI
21st Aug 2025368 PMAQI
21st Aug 2025359 PMAQI
21st Aug 20254310 PMAQI
21st Aug 20254611 PMAQI
22nd Aug 20255112 AMAQI
22nd Aug 2025541 AMAQI
22nd Aug 2025482 AMAQI
22nd Aug 2025433 AMAQI
22nd Aug 2025384 AMAQI
24°C20/30°C
22nd Aug 2025445 AMAQI
5 AM22nd Aug 2025446 AMAQI
22nd Aug 2025447 AMAQI
22nd Aug 2025468 AMAQI
22nd Aug 2025449 AMAQI
22nd Aug 20254610 AMAQI
22nd Aug 20254611 AMAQI
11 AM22nd Aug 20254212 PMAQI
6 PM
11 PM
4 AM
--°C/°C
Day time
Avg. Highest Time
5 AM - 6 PM
42AQI
14 hours / Day
420 hours / Month
Avg. Lowest Time
5 AM - 6 PM
42AQI
14 hours / Day
420 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 5 AM to 6 PM (Avg. 42), while the lowest AQI was between 5 AM to 6 PM (Avg. 42).
Night time
Avg. Highest Time
12 AM - 1 AM
42AQI
2 hours / Day
60 hours / Month
Avg. Lowest Time
2 AM - 4 AM
39AQI
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. 42), while the lowest AQI was between 2 AM to 4 AM (Avg. 39).
2025 Days Vs Air Quality
San Salvador, San Salvador, El Salvador
2025
73%
169
27%
64
Total number of days with different AQI categories in last 234 days in 2025 (131 days remaining)
Good
169 DaysModerate
64 DaysPoor
0 DaysUnhealthy
0 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 73%
Health Risk Level:
Low
In 2025, 73% of 234 days were within WHO’s safe air quality limits. The risk of health issues is Low, but the long-term effects, especially on vulnerable individuals, remain uncertain.
Annual Air Quality Insights
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
50AQI
50AQI
2nd January 2025
49AQI
49AQI
3rd January 2025
53AQI
53AQI
4th January 2025
50AQI
50AQI
5th January 2025
50AQI
50AQI
6th January 2025
50AQI
50AQI
7th January 2025
50AQI
50AQI
8th January 2025
51AQI
51AQI
9th January 2025
49AQI
49AQI
10th January 2025
50AQI
50AQI
11th January 2025
49AQI
49AQI
12th January 2025
50AQI
50AQI
13th January 2025
48AQI
48AQI
14th January 2025
47AQI
47AQI
15th January 2025
46AQI
46AQI
16th January 2025
46AQI
46AQI
17th January 2025
44AQI
44AQI
18th January 2025
48AQI
48AQI
19th January 2025
46AQI
46AQI
20th January 2025
46AQI
46AQI
21st January 2025
46AQI
46AQI
22nd January 2025
46AQI
46AQI
23rd January 2025
46AQI
46AQI
24th January 2025
49AQI
49AQI
25th January 2025
50AQI
50AQI
26th January 2025
53AQI
53AQI
27th January 2025
50AQI
50AQI
28th January 2025
49AQI
49AQI
29th January 2025
51AQI
51AQI
30th January 2025
52AQI
52AQI
31st January 2025
51AQI
51AQI
1st February 2025
51AQI
51AQI
2nd February 2025
52AQI
52AQI
3rd February 2025
52AQI
52AQI
4th February 2025
55AQI
55AQI
5th February 2025
53AQI
53AQI
6th February 2025
56AQI
56AQI
7th February 2025
56AQI
56AQI
8th February 2025
54AQI
54AQI
9th February 2025
52AQI
52AQI
10th February 2025
51AQI
51AQI
11th February 2025
54AQI
54AQI
12th February 2025
53AQI
53AQI
13th February 2025
53AQI
53AQI
14th February 2025
50AQI
50AQI
15th February 2025
49AQI
49AQI
16th February 2025
48AQI
48AQI
17th February 2025
48AQI
48AQI
18th February 2025
48AQI
48AQI
19th February 2025
49AQI
49AQI
20th February 2025
50AQI
50AQI
21st February 2025
47AQI
47AQI
22nd February 2025
45AQI
45AQI
23rd February 2025
46AQI
46AQI
24th February 2025
44AQI
44AQI
25th February 2025
46AQI
46AQI
26th February 2025
46AQI
46AQI
27th February 2025
49AQI
49AQI
28th February 2025
46AQI
46AQI
1st March 2025
48AQI
48AQI
2nd March 2025
48AQI
48AQI
3rd March 2025
48AQI
48AQI
4th March 2025
47AQI
47AQI
5th March 2025
49AQI
49AQI
6th March 2025
49AQI
49AQI
7th March 2025
51AQI
51AQI
8th March 2025
50AQI
50AQI
9th March 2025
51AQI
51AQI
10th March 2025
49AQI
49AQI
11th March 2025
50AQI
50AQI
12th March 2025
52AQI
52AQI
13th March 2025
51AQI
51AQI
14th March 2025
49AQI
49AQI
15th March 2025
51AQI
51AQI
16th March 2025
49AQI
49AQI
17th March 2025
49AQI
49AQI
18th March 2025
47AQI
47AQI
19th March 2025
54AQI
54AQI
20th March 2025
51AQI
51AQI
21st March 2025
53AQI
53AQI
22nd March 2025
53AQI
53AQI
23rd March 2025
53AQI
53AQI
24th March 2025
52AQI
52AQI
25th March 2025
55AQI
55AQI
26th March 2025
56AQI
56AQI
27th March 2025
53AQI
53AQI
28th March 2025
56AQI
56AQI
29th March 2025
54AQI
54AQI
30th March 2025
51AQI
51AQI
31st March 2025
51AQI
51AQI
1st April 2025
52AQI
52AQI
2nd April 2025
53AQI
53AQI
3rd April 2025
55AQI
55AQI
4th April 2025
54AQI
54AQI
5th April 2025
49AQI
49AQI
6th April 2025
45AQI
45AQI
7th April 2025
46AQI
46AQI
8th April 2025
44AQI
44AQI
9th April 2025
45AQI
45AQI
10th April 2025
44AQI
44AQI
11th April 2025
48AQI
48AQI
12th April 2025
48AQI
48AQI
13th April 2025
50AQI
50AQI
14th April 2025
50AQI
50AQI
15th April 2025
52AQI
52AQI
16th April 2025
51AQI
51AQI
17th April 2025
50AQI
50AQI
18th April 2025
52AQI
52AQI
19th April 2025
51AQI
51AQI
20th April 2025
50AQI
50AQI
21st April 2025
53AQI
53AQI
22nd April 2025
51AQI
51AQI
23rd April 2025
51AQI
51AQI
24th April 2025
47AQI
47AQI
25th April 2025
47AQI
47AQI
26th April 2025
47AQI
47AQI
27th April 2025
47AQI
47AQI
28th April 2025
48AQI
48AQI
29th April 2025
50AQI
50AQI
30th April 2025
50AQI
50AQI
1st May 2025
53AQI
53AQI
2nd May 2025
54AQI
54AQI
3rd May 2025
53AQI
53AQI
4th May 2025
51AQI
51AQI
5th May 2025
53AQI
53AQI
6th May 2025
53AQI
53AQI
7th May 2025
54AQI
54AQI
8th May 2025
54AQI
54AQI
9th May 2025
52AQI
52AQI
10th May 2025
48AQI
48AQI
11th May 2025
45AQI
45AQI
12th May 2025
44AQI
44AQI
13th May 2025
44AQI
44AQI
14th May 2025
47AQI
47AQI
15th May 2025
51AQI
51AQI
16th May 2025
49AQI
49AQI
17th May 2025
49AQI
49AQI
18th May 2025
56AQI
56AQI
19th May 2025
51AQI
51AQI
20th May 2025
49AQI
49AQI
21st May 2025
53AQI
53AQI
22nd May 2025
50AQI
50AQI
23rd May 2025
48AQI
48AQI
24th May 2025
49AQI
49AQI
25th May 2025
47AQI
47AQI
26th May 2025
47AQI
47AQI
27th May 2025
46AQI
46AQI
28th May 2025
48AQI
48AQI
29th May 2025
45AQI
45AQI
30th May 2025
48AQI
48AQI
31st May 2025
45AQI
45AQI
1st June 2025
45AQI
45AQI
2nd June 2025
45AQI
45AQI
3rd June 2025
46AQI
46AQI
4th June 2025
43AQI
43AQI
5th June 2025
42AQI
42AQI
6th June 2025
42AQI
42AQI
7th June 2025
42AQI
42AQI
8th June 2025
37AQI
37AQI
9th June 2025
35AQI
35AQI
10th June 2025
42AQI
42AQI
11th June 2025
42AQI
42AQI
12th June 2025
42AQI
42AQI
13th June 2025
36AQI
36AQI
14th June 2025
34AQI
34AQI
15th June 2025
33AQI
33AQI
16th June 2025
34AQI
34AQI
17th June 2025
33AQI
33AQI
18th June 2025
32AQI
32AQI
19th June 2025
29AQI
29AQI
20th June 2025
31AQI
31AQI
21st June 2025
30AQI
30AQI
22nd June 2025
30AQI
30AQI
23rd June 2025
28AQI
28AQI
24th June 2025
25AQI
25AQI
25th June 2025
28AQI
28AQI
26th June 2025
31AQI
31AQI
27th June 2025
29AQI
29AQI
28th June 2025
29AQI
29AQI
29th June 2025
28AQI
28AQI
30th June 2025
30AQI
30AQI
1st July 2025
32AQI
32AQI
2nd July 2025
33AQI
33AQI
3rd July 2025
35AQI
35AQI
4th July 2025
37AQI
37AQI
5th July 2025
43AQI
43AQI
6th July 2025
44AQI
44AQI
7th July 2025
38AQI
38AQI
8th July 2025
37AQI
37AQI
9th July 2025
35AQI
35AQI
10th July 2025
35AQI
35AQI
11th July 2025
35AQI
35AQI
12th July 2025
39AQI
39AQI
13th July 2025
40AQI
40AQI
14th July 2025
36AQI
36AQI
15th July 2025
39AQI
39AQI
16th July 2025
41AQI
41AQI
17th July 2025
36AQI
36AQI
18th July 2025
33AQI
33AQI
19th July 2025
36AQI
36AQI
20th July 2025
36AQI
36AQI
21st July 2025
37AQI
37AQI
22nd July 2025
42AQI
42AQI
23rd July 2025
47AQI
47AQI
24th July 2025
40AQI
40AQI
25th July 2025
33AQI
33AQI
26th July 2025
34AQI
34AQI
27th July 2025
34AQI
34AQI
28th July 2025
34AQI
34AQI
29th July 2025
35AQI
35AQI
30th July 2025
41AQI
41AQI
31st July 2025
40AQI
40AQI
1st August 2025
51AQI
51AQI
2nd August 2025
48AQI
48AQI
3rd August 2025
46AQI
46AQI
4th August 2025
42AQI
42AQI
5th August 2025
44AQI
44AQI
6th August 2025
42AQI
42AQI
7th August 2025
36AQI
36AQI
8th August 2025
39AQI
39AQI
9th August 2025
47AQI
47AQI
10th August 2025
39AQI
39AQI
11th August 2025
36AQI
36AQI
12th August 2025
32AQI
32AQI
13th August 2025
43AQI
43AQI
14th August 2025
53AQI
53AQI
15th August 2025
49AQI
49AQI
16th August 2025
51AQI
51AQI
17th August 2025
46AQI
46AQI
18th August 2025
45AQI
45AQI
19th August 2025
44AQI
44AQI
20th August 2025
47AQI
47AQI
21st August 2025
38AQI
38AQI
22nd August 2025
23rd August 2025
24th August 2025
25th August 2025
26th August 2025
27th August 2025
28th August 2025
29th August 2025
30th August 2025
31st August 2025
1st September 2025
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
49AQI
50AQI
51AQI
49AQI
50AQI
35AQI
37AQI
44AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202546AQI
25
6
15
13
13
18
19
11
18
13
30
31
18
3
169
64
Highest AQI recorded in
March51AQI
Lowest AQI recorded in
June35AQI
202451AQI
19
11
15
13
13
18
4
24
2
5
20
3
12
18
25
6
25
6
3
22
2
19
11
27
4
189
133
5
Highest AQI recorded in
May74AQI
Lowest AQI recorded in
October33AQI
202379AQI
7
21
3
2
17
9
8
15
7
1
11
18
1
12
13
6
1
25
4
23
8
2
24
5
9
19
1
9
16
24
5
24
7
78
188
76
14
1
Highest AQI recorded in
March127AQI
Lowest AQI recorded in
November36AQI
202270AQI
9
5
5
6
2
6
12
4
1
3
27
1
14
4
1
23
7
3
27
20
3
4
10
19
8
23
15
15
10
19
2
69
204
26
7
2
Highest AQI recorded in
January105AQI
Lowest AQI recorded in
August40AQI
202170AQI
5
24
1
14
14
11
20
4
26
30
1
30
2
29
10
18
3
1
24
5
21
10
18
12
3
11
14
3
68
259
34
3
Highest AQI recorded in
December98AQI
Lowest AQI recorded in
November51AQI
202060AQI
10
4
7
8
4
4
14
8
20
1
1
31
11
20
30
7
23
14
16
6
25
67
191
5
1
Highest AQI recorded in
April68AQI
Lowest AQI recorded in
March31AQI
Most & Least Polluted Years Over the Last 6 Years
Most Polluted Year Recorded
2023(Avg.)
79AQILeast Polluted Year Recorded
2025(Avg.)
46AQISan Salvador's annual 2025 AQI (46) shows an average percentage change of -29.1% (improved AQI) compared to previous years: 2020 (60), 2021 (70), 2022 (70), 2023 (79), 2024 (51).
