Country Background
HistoryAQIPM₂.₅PM₁₀COSO₂NO₂O₃

Caguas, Puerto Rico, United States 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

Caguas, Puerto Rico, United States

2023
2024
2025
2026
AQI
.
Days

AQI Trends: Highest and Lowest

Highest AQI recorded on
11th Aug 2026
100AQI
Lowest AQI recorded on
8th Aug 2023
4AQI

Same Day Analysis (15th August):
On this day, AQI across the 4 years varied significantly: 2026 ranks 1st highest AQI at 64 of Moderate air quality on the same day.

Day & Night AQI Trend: 14th Aug - 15th Aug 2026

Caguas, Puerto Rico, United States

AQI
Day
Night
.

6 AM14th Aug 2026

6 PM

5 AM15th Aug 2026

Day time
Avg. Highest Time
7AM14th Aug

78AQI

Avg. Lowest Time
12PM14th Aug

72AQI

Night time
Avg. Highest Time
7PM14th Aug

79AQI

Avg. Lowest Time
5AM15th Aug

64AQI

In the last 24 hours,

Caguas's AQI reached its highest point of 79 at 7 PM during the Night, while the lowest point, 64, was recorded at 5 AM during the Night between 14th Aug and 15th Aug 2026.

Day & Night AQI Trend : Jul - Aug 2026

Caguas, Puerto Rico, United States

JulAug
17th - 18th18th - 19th19th - 20th20th - 21st21st - 22nd22nd - 23rd23rd - 24th24th - 25th25th - 26th26th - 27th27th - 28th28th - 29th29th - 30th30th - 31st31st - 01st01st - 02nd02nd - 03rd03rd - 04th04th - 05th05th - 06th06th - 07th07th - 08th08th - 09th09th - 10th10th - 11th11th - 12th12th - 13th13th - 14th14th - 15th15th
Day
Night
17th Jul 2026426 AMAQI
17th Jul 2026457 AMAQI
17th Jul 2026438 AMAQI
17th Jul 2026429 AMAQI
17th Jul 20264210 AMAQI
17th Jul 20264411 AMAQI
17th Jul 20264612 PMAQI
17th Jul 2026441 PMAQI
17th Jul 2026452 PMAQI
17th Jul 2026463 PMAQI
17th Jul 2026464 PMAQI
17th Jul 2026505 PMAQI
17th Jul 2026486 PMAQI
17th Jul 2026497 PMAQI
17th Jul 2026548 PMAQI
17th Jul 2026529 PMAQI
17th Jul 20265210 PMAQI
17th Jul 20263611 PMAQI
18th Jul 20264712 AMAQI
18th Jul 2026501 AMAQI
18th Jul 2026512 AMAQI
18th Jul 2026513 AMAQI
18th Jul 2026514 AMAQI
18th Jul 2026525 AMAQI

26°C21/33°C

18th Jul 2026546 AMAQI
18th Jul 2026567 AMAQI
18th Jul 2026588 AMAQI
18th Jul 2026589 AMAQI
18th Jul 20266010 AMAQI
18th Jul 20265711 AMAQI
18th Jul 20264312 PMAQI
18th Jul 2026581 PMAQI
18th Jul 2026562 PMAQI
18th Jul 2026543 PMAQI
18th Jul 2026524 PMAQI
18th Jul 2026525 PMAQI
18th Jul 2026486 PMAQI
18th Jul 2026477 PMAQI
18th Jul 2026468 PMAQI
18th Jul 2026429 PMAQI
18th Jul 20265110 PMAQI
18th Jul 20265211 PMAQI
19th Jul 20265112 AMAQI
19th Jul 2026501 AMAQI
19th Jul 2026502 AMAQI
19th Jul 2026493 AMAQI
19th Jul 2026474 AMAQI
19th Jul 2026445 AMAQI

27°C22/33°C

19th Jul 2026416 AMAQI
19th Jul 2026427 AMAQI
19th Jul 2026458 AMAQI
19th Jul 2026459 AMAQI
19th Jul 20264710 AMAQI
19th Jul 20264311 AMAQI
19th Jul 20264512 PMAQI
19th Jul 2026471 PMAQI
19th Jul 2026502 PMAQI
19th Jul 2026483 PMAQI
19th Jul 2026504 PMAQI
19th Jul 2026505 PMAQI
19th Jul 2026496 PMAQI
19th Jul 2026487 PMAQI
19th Jul 2026508 PMAQI
19th Jul 2026499 PMAQI
19th Jul 20264610 PMAQI
19th Jul 20264211 PMAQI
20th Jul 20265012 AMAQI
20th Jul 2026481 AMAQI
20th Jul 2026422 AMAQI
20th Jul 2026423 AMAQI
20th Jul 2026444 AMAQI
20th Jul 2026435 AMAQI

27°C21/33°C

20th Jul 2026426 AMAQI
20th Jul 2026467 AMAQI
20th Jul 2026408 AMAQI
20th Jul 2026689 AMAQI
20th Jul 20263810 AMAQI
20th Jul 20263411 AMAQI
20th Jul 20265212 PMAQI
20th Jul 2026251 PMAQI
20th Jul 2026282 PMAQI
20th Jul 2026313 PMAQI
20th Jul 2026334 PMAQI
20th Jul 2026325 PMAQI
20th Jul 2026216 PMAQI
20th Jul 2026377 PMAQI
20th Jul 2026468 PMAQI
20th Jul 2026419 PMAQI
20th Jul 20264210 PMAQI
21st Jul 20264512 AMAQI
21st Jul 2026481 AMAQI
21st Jul 2026482 AMAQI
21st Jul 2026443 AMAQI
21st Jul 2026424 AMAQI
21st Jul 2026415 AMAQI

26°C22/32°C

21st Jul 2026406 AMAQI
21st Jul 2026427 AMAQI
21st Jul 2026408 AMAQI
21st Jul 2026449 AMAQI
21st Jul 20265010 AMAQI
21st Jul 20264611 AMAQI
21st Jul 20264312 PMAQI
21st Jul 2026441 PMAQI
21st Jul 2026502 PMAQI
21st Jul 2026583 PMAQI
21st Jul 2026454 PMAQI
21st Jul 2026465 PMAQI
21st Jul 2026456 PMAQI
21st Jul 2026477 PMAQI
21st Jul 2026328 PMAQI
21st Jul 2026609 PMAQI
21st Jul 20266010 PMAQI
21st Jul 20266011 PMAQI
22nd Jul 20265112 AMAQI
22nd Jul 2026561 AMAQI
22nd Jul 2026532 AMAQI
22nd Jul 2026523 AMAQI
22nd Jul 2026464 AMAQI
22nd Jul 2026455 AMAQI

26°C21/33°C

22nd Jul 2026456 AMAQI
22nd Jul 2026507 AMAQI
22nd Jul 2026528 AMAQI
22nd Jul 2026549 AMAQI
22nd Jul 20265010 AMAQI
22nd Jul 20265411 AMAQI
22nd Jul 20265412 PMAQI
22nd Jul 2026541 PMAQI
22nd Jul 2026542 PMAQI
22nd Jul 2026473 PMAQI
22nd Jul 2026424 PMAQI
22nd Jul 2026425 PMAQI
22nd Jul 2026416 PMAQI
22nd Jul 2026317 PMAQI
22nd Jul 2026398 PMAQI
22nd Jul 2026469 PMAQI
22nd Jul 20262710 PMAQI
22nd Jul 20265811 PMAQI
23rd Jul 20262512 AMAQI
23rd Jul 2026271 AMAQI
23rd Jul 2026402 AMAQI
23rd Jul 2026363 AMAQI
23rd Jul 2026364 AMAQI
23rd Jul 2026345 AMAQI

26°C22/32°C

23rd Jul 2026466 AMAQI
23rd Jul 2026327 AMAQI
23rd Jul 2026408 AMAQI
23rd Jul 2026349 AMAQI
23rd Jul 20264010 AMAQI
23rd Jul 20264511 AMAQI
23rd Jul 20264812 PMAQI
23rd Jul 2026521 PMAQI
23rd Jul 2026522 PMAQI
23rd Jul 2026543 PMAQI
23rd Jul 2026534 PMAQI
23rd Jul 2026545 PMAQI
23rd Jul 2026506 PMAQI
23rd Jul 2026477 PMAQI
23rd Jul 2026458 PMAQI
23rd Jul 2026459 PMAQI
23rd Jul 20263610 PMAQI
23rd Jul 20264311 PMAQI
24th Jul 20264512 AMAQI
24th Jul 2026441 AMAQI
24th Jul 2026502 AMAQI
24th Jul 2026573 AMAQI
24th Jul 2026564 AMAQI
24th Jul 2026425 AMAQI

26°C22/32°C

24th Jul 2026456 AMAQI
24th Jul 2026467 AMAQI
24th Jul 2026448 AMAQI
24th Jul 2026549 AMAQI
24th Jul 20265210 AMAQI
24th Jul 20265411 AMAQI
24th Jul 20265612 PMAQI
24th Jul 2026521 PMAQI
24th Jul 2026512 PMAQI
24th Jul 2026503 PMAQI
24th Jul 2026544 PMAQI
24th Jul 2026565 PMAQI
24th Jul 2026586 PMAQI
24th Jul 2026587 PMAQI
24th Jul 2026568 PMAQI
24th Jul 2026589 PMAQI
24th Jul 20265810 PMAQI
24th Jul 20265011 PMAQI
25th Jul 20265812 AMAQI
25th Jul 2026531 AMAQI
25th Jul 2026542 AMAQI
25th Jul 2026533 AMAQI
25th Jul 2026534 AMAQI
25th Jul 2026525 AMAQI

26°C21/33°C

25th Jul 2026476 AMAQI
25th Jul 2026507 AMAQI
25th Jul 2026508 AMAQI
25th Jul 2026419 AMAQI
25th Jul 20266010 AMAQI
25th Jul 20263211 AMAQI
25th Jul 20264712 PMAQI
25th Jul 2026461 PMAQI
25th Jul 2026562 PMAQI
25th Jul 2026643 PMAQI
25th Jul 2026524 PMAQI
25th Jul 2026545 PMAQI
25th Jul 2026486 PMAQI
25th Jul 2026497 PMAQI
25th Jul 2026468 PMAQI
25th Jul 2026659 PMAQI
25th Jul 20264810 PMAQI
25th Jul 20265011 PMAQI
26th Jul 20264912 AMAQI
26th Jul 2026521 AMAQI
26th Jul 2026532 AMAQI
26th Jul 2026563 AMAQI
26th Jul 2026584 AMAQI
26th Jul 2026575 AMAQI

27°C22/33°C

26th Jul 2026516 AMAQI
26th Jul 2026537 AMAQI
26th Jul 2026628 AMAQI
26th Jul 2026589 AMAQI
26th Jul 20265410 AMAQI
26th Jul 20265211 AMAQI
26th Jul 20265412 PMAQI
26th Jul 2026601 PMAQI
26th Jul 2026582 PMAQI
26th Jul 2026513 PMAQI
26th Jul 2026524 PMAQI
26th Jul 2026495 PMAQI
26th Jul 2026496 PMAQI
26th Jul 2026537 PMAQI
26th Jul 2026588 PMAQI
26th Jul 2026599 PMAQI
26th Jul 20264510 PMAQI
26th Jul 20265811 PMAQI
27th Jul 20265712 AMAQI
27th Jul 2026561 AMAQI
27th Jul 2026532 AMAQI
27th Jul 2026553 AMAQI
27th Jul 2026584 AMAQI
27th Jul 2026565 AMAQI

27°C22/33°C

27th Jul 2026546 AMAQI
27th Jul 2026547 AMAQI
27th Jul 2026518 AMAQI
27th Jul 2026489 AMAQI
27th Jul 20265210 AMAQI
27th Jul 20265811 AMAQI
27th Jul 20265712 PMAQI
27th Jul 2026551 PMAQI
27th Jul 2026472 PMAQI
27th Jul 2026423 PMAQI
27th Jul 2026454 PMAQI
27th Jul 2026415 PMAQI
27th Jul 2026266 PMAQI
27th Jul 2026407 PMAQI
27th Jul 2026418 PMAQI
27th Jul 2026499 PMAQI
27th Jul 20263910 PMAQI
27th Jul 20264411 PMAQI
28th Jul 20264612 AMAQI
28th Jul 2026461 AMAQI
28th Jul 2026542 AMAQI
28th Jul 2026533 AMAQI
28th Jul 2026554 AMAQI
28th Jul 2026565 AMAQI

27°C22/33°C

28th Jul 2026566 AMAQI
28th Jul 2026587 AMAQI
28th Jul 2026588 AMAQI
28th Jul 2026609 AMAQI
28th Jul 20266410 AMAQI
28th Jul 20266611 AMAQI
28th Jul 20266812 PMAQI
28th Jul 2026681 PMAQI
28th Jul 2026512 PMAQI
28th Jul 2026543 PMAQI
28th Jul 2026564 PMAQI
28th Jul 2026595 PMAQI
28th Jul 2026656 PMAQI
28th Jul 2026787 PMAQI
28th Jul 2026768 PMAQI
28th Jul 2026689 PMAQI
28th Jul 20266810 PMAQI
28th Jul 20266811 PMAQI
29th Jul 20265712 AMAQI
29th Jul 2026431 AMAQI
29th Jul 2026602 AMAQI
29th Jul 2026603 AMAQI
29th Jul 2026604 AMAQI
29th Jul 2026625 AMAQI

27°C22/33°C

29th Jul 2026626 AMAQI
29th Jul 2026637 AMAQI
29th Jul 2026628 AMAQI
29th Jul 2026599 AMAQI
29th Jul 20265210 AMAQI
29th Jul 20264711 AMAQI
29th Jul 20264712 PMAQI
29th Jul 2026501 PMAQI
29th Jul 2026502 PMAQI
29th Jul 2026523 PMAQI
29th Jul 2026474 PMAQI
29th Jul 2026555 PMAQI
29th Jul 2026566 PMAQI
29th Jul 2026567 PMAQI
29th Jul 2026588 PMAQI
29th Jul 2026589 PMAQI
29th Jul 20264610 PMAQI
29th Jul 20265811 PMAQI
30th Jul 20265812 AMAQI
30th Jul 2026561 AMAQI
30th Jul 2026542 AMAQI
30th Jul 2026593 AMAQI
30th Jul 2026624 AMAQI
30th Jul 2026585 AMAQI

27°C23/32°C

30th Jul 2026576 AMAQI
30th Jul 2026587 AMAQI
30th Jul 2026568 AMAQI
30th Jul 2026549 AMAQI
30th Jul 20265210 AMAQI
30th Jul 20265011 AMAQI
30th Jul 20265012 PMAQI
30th Jul 2026521 PMAQI
30th Jul 2026472 PMAQI
30th Jul 2026503 PMAQI
30th Jul 2026504 PMAQI
30th Jul 2026475 PMAQI
30th Jul 2026506 PMAQI
30th Jul 2026547 PMAQI
30th Jul 2026548 PMAQI
30th Jul 2026609 PMAQI
30th Jul 20266210 PMAQI
30th Jul 20266211 PMAQI
31st Jul 20266412 AMAQI
31st Jul 2026611 AMAQI
31st Jul 2026602 AMAQI
31st Jul 2026633 AMAQI
31st Jul 2026604 AMAQI
31st Jul 2026625 AMAQI

27°C23/33°C

31st Jul 2026626 AMAQI
31st Jul 2026617 AMAQI
31st Jul 2026588 AMAQI
31st Jul 2026589 AMAQI
31st Jul 20265510 AMAQI
31st Jul 20265411 AMAQI
31st Jul 20265012 PMAQI
31st Jul 2026501 PMAQI
31st Jul 2026482 PMAQI
31st Jul 2026443 PMAQI
31st Jul 2026444 PMAQI
31st Jul 2026405 PMAQI
31st Jul 2026406 PMAQI
31st Jul 2026417 PMAQI
31st Jul 2026388 PMAQI
31st Jul 2026339 PMAQI
31st Jul 20263010 PMAQI
31st Jul 20264911 PMAQI
1st Aug 20263412 AMAQI
1st Aug 2026511 AMAQI
1st Aug 2026502 AMAQI
1st Aug 2026483 AMAQI
1st Aug 2026484 AMAQI
1st Aug 2026535 AMAQI

26°C22/32°C

1st Aug 2026386 AMAQI
1st Aug 2026397 AMAQI
1st Aug 2026478 AMAQI
1st Aug 2026479 AMAQI
1st Aug 20263910 AMAQI
1st Aug 20264111 AMAQI
1st Aug 20264012 PMAQI
1st Aug 2026441 PMAQI
1st Aug 2026272 PMAQI
1st Aug 2026443 PMAQI
1st Aug 2026414 PMAQI
1st Aug 2026415 PMAQI
1st Aug 2026416 PMAQI
1st Aug 2026397 PMAQI
1st Aug 2026368 PMAQI
1st Aug 2026489 PMAQI
1st Aug 20263010 PMAQI
1st Aug 20263411 PMAQI
2nd Aug 20263712 AMAQI
2nd Aug 2026321 AMAQI
2nd Aug 2026352 AMAQI
2nd Aug 2026403 AMAQI
2nd Aug 2026404 AMAQI
2nd Aug 2026325 AMAQI

27°C22/32°C

2nd Aug 2026256 AMAQI
2nd Aug 2026257 AMAQI
2nd Aug 2026258 AMAQI
2nd Aug 2026269 AMAQI
2nd Aug 20263010 AMAQI
2nd Aug 20262311 AMAQI
2nd Aug 20262312 PMAQI
2nd Aug 2026331 PMAQI
2nd Aug 2026362 PMAQI
2nd Aug 2026383 PMAQI
2nd Aug 2026474 PMAQI
2nd Aug 2026505 PMAQI
2nd Aug 2026486 PMAQI
2nd Aug 2026487 PMAQI
2nd Aug 2026508 PMAQI
2nd Aug 2026509 PMAQI
2nd Aug 20263710 PMAQI
2nd Aug 20264811 PMAQI
3rd Aug 20264712 AMAQI
3rd Aug 2026461 AMAQI
3rd Aug 2026442 AMAQI
3rd Aug 2026403 AMAQI
3rd Aug 2026414 AMAQI
3rd Aug 2026415 AMAQI

27°C24/32°C

3rd Aug 2026416 AMAQI
3rd Aug 2026527 AMAQI
3rd Aug 2026408 AMAQI
3rd Aug 2026399 AMAQI
3rd Aug 20264110 AMAQI
3rd Aug 20264211 AMAQI
3rd Aug 20264212 PMAQI
3rd Aug 2026471 PMAQI
3rd Aug 2026452 PMAQI
3rd Aug 2026463 PMAQI
3rd Aug 2026444 PMAQI
3rd Aug 2026455 PMAQI
3rd Aug 2026426 PMAQI
3rd Aug 2026477 PMAQI
3rd Aug 2026468 PMAQI
3rd Aug 2026449 PMAQI
3rd Aug 20263310 PMAQI
3rd Aug 20263211 PMAQI
4th Aug 20263612 AMAQI
4th Aug 2026391 AMAQI
4th Aug 2026342 AMAQI
4th Aug 2026303 AMAQI
4th Aug 2026274 AMAQI
4th Aug 2026265 AMAQI

27°C22/33°C

4th Aug 2026296 AMAQI
4th Aug 2026317 AMAQI
4th Aug 2026308 AMAQI
4th Aug 2026389 AMAQI
4th Aug 20266010 AMAQI
4th Aug 20265211 AMAQI
4th Aug 20262312 PMAQI
4th Aug 2026571 PMAQI
4th Aug 2026362 PMAQI
4th Aug 2026423 PMAQI
4th Aug 2026254 PMAQI
4th Aug 2026285 PMAQI
4th Aug 2026276 PMAQI
4th Aug 2026347 PMAQI
4th Aug 2026278 PMAQI
4th Aug 2026369 PMAQI
4th Aug 20263610 PMAQI
4th Aug 20264611 PMAQI
5th Aug 20264212 AMAQI
5th Aug 2026361 AMAQI
5th Aug 2026362 AMAQI
5th Aug 2026443 AMAQI
5th Aug 2026354 AMAQI
5th Aug 2026335 AMAQI

27°C22/33°C

5th Aug 2026406 AMAQI
5th Aug 2026367 AMAQI
5th Aug 2026338 AMAQI
5th Aug 2026369 AMAQI
5th Aug 20265210 AMAQI
5th Aug 20263711 AMAQI
5th Aug 20263612 PMAQI
5th Aug 2026361 PMAQI
5th Aug 2026352 PMAQI
5th Aug 2026523 PMAQI
5th Aug 2026474 PMAQI
5th Aug 2026345 PMAQI
5th Aug 2026266 PMAQI
5th Aug 2026367 PMAQI
5th Aug 2026248 PMAQI
5th Aug 2026409 PMAQI
5th Aug 20263610 PMAQI
5th Aug 20264011 PMAQI
6th Aug 20262712 AMAQI
6th Aug 2026251 AMAQI
6th Aug 2026212 AMAQI
6th Aug 2026323 AMAQI
6th Aug 2026384 AMAQI
6th Aug 2026255 AMAQI

27°C22/33°C

6th Aug 2026426 AMAQI
6th Aug 2026397 AMAQI
6th Aug 2026428 AMAQI
6th Aug 2026409 AMAQI
6th Aug 20262710 AMAQI
6th Aug 20263011 AMAQI
6th Aug 20263512 PMAQI
6th Aug 2026311 PMAQI
6th Aug 2026302 PMAQI
6th Aug 2026293 PMAQI
6th Aug 2026444 PMAQI
6th Aug 2026385 PMAQI
6th Aug 2026246 PMAQI
6th Aug 2026427 PMAQI
6th Aug 2026428 PMAQI
6th Aug 2026369 PMAQI
6th Aug 20263410 PMAQI
6th Aug 20264011 PMAQI
7th Aug 20262512 AMAQI
7th Aug 2026341 AMAQI
7th Aug 2026252 AMAQI
7th Aug 2026293 AMAQI
7th Aug 2026274 AMAQI
7th Aug 2026235 AMAQI

26°C22/32°C

7th Aug 2026256 AMAQI
7th Aug 2026277 AMAQI
7th Aug 2026298 AMAQI
7th Aug 2026349 AMAQI
7th Aug 20264610 AMAQI
7th Aug 20264211 AMAQI
7th Aug 20262412 PMAQI
7th Aug 2026481 PMAQI
7th Aug 2026442 PMAQI
7th Aug 2026473 PMAQI
7th Aug 2026524 PMAQI
7th Aug 2026565 PMAQI
7th Aug 2026566 PMAQI
7th Aug 2026587 PMAQI
7th Aug 2026438 PMAQI
7th Aug 2026469 PMAQI
7th Aug 20265010 PMAQI
7th Aug 20265711 PMAQI
8th Aug 20265412 AMAQI
8th Aug 2026581 AMAQI
8th Aug 2026602 AMAQI
8th Aug 2026623 AMAQI
8th Aug 2026604 AMAQI
8th Aug 2026605 AMAQI

26°C22/32°C

8th Aug 2026606 AMAQI
8th Aug 2026597 AMAQI
8th Aug 2026588 AMAQI
8th Aug 2026609 AMAQI
8th Aug 20266210 AMAQI
8th Aug 20266411 AMAQI
8th Aug 20266212 PMAQI
8th Aug 2026641 PMAQI
8th Aug 2026662 PMAQI
8th Aug 2026643 PMAQI
8th Aug 2026664 PMAQI
8th Aug 2026645 PMAQI
8th Aug 2026596 PMAQI
8th Aug 2026617 PMAQI
8th Aug 2026588 PMAQI
8th Aug 2026569 PMAQI
8th Aug 20265510 PMAQI
8th Aug 20265411 PMAQI
9th Aug 20265212 AMAQI
9th Aug 2026461 AMAQI
9th Aug 2026432 AMAQI
9th Aug 2026473 AMAQI
9th Aug 2026524 AMAQI
9th Aug 2026485 AMAQI

27°C21/33°C

9th Aug 2026496 AMAQI
9th Aug 2026507 AMAQI
9th Aug 2026548 AMAQI
9th Aug 2026529 AMAQI
9th Aug 20265410 AMAQI
9th Aug 20265411 AMAQI
9th Aug 20265412 PMAQI
9th Aug 2026561 PMAQI
9th Aug 2026572 PMAQI
9th Aug 2026563 PMAQI
9th Aug 2026564 PMAQI
9th Aug 2026565 PMAQI
9th Aug 2026646 PMAQI
9th Aug 2026557 PMAQI
9th Aug 2026648 PMAQI
9th Aug 2026649 PMAQI
9th Aug 20265910 PMAQI
9th Aug 20266611 PMAQI
10th Aug 20266412 AMAQI
10th Aug 2026671 AMAQI
10th Aug 2026702 AMAQI
10th Aug 2026743 AMAQI
10th Aug 2026744 AMAQI
10th Aug 2026765 AMAQI

27°C22/33°C

10th Aug 2026726 AMAQI
10th Aug 2026697 AMAQI
10th Aug 2026728 AMAQI
10th Aug 2026689 AMAQI
10th Aug 20267510 AMAQI
10th Aug 20268411 AMAQI
10th Aug 20268312 PMAQI
10th Aug 2026941 PMAQI
10th Aug 20261082 PMAQI
10th Aug 20261123 PMAQI
10th Aug 20261194 PMAQI
10th Aug 20261175 PMAQI
10th Aug 20261166 PMAQI
10th Aug 20261167 PMAQI
10th Aug 20261188 PMAQI
10th Aug 20261219 PMAQI
10th Aug 20269410 PMAQI
10th Aug 202612411 PMAQI
11th Aug 202611412 AMAQI
11th Aug 20261101 AMAQI
11th Aug 2026942 AMAQI
11th Aug 2026823 AMAQI
11th Aug 2026834 AMAQI
11th Aug 2026865 AMAQI

27°C23/33°C

11th Aug 2026876 AMAQI
11th Aug 2026827 AMAQI
11th Aug 2026828 AMAQI
11th Aug 2026869 AMAQI
11th Aug 20268810 AMAQI
11th Aug 20267411 AMAQI
11th Aug 20269412 PMAQI
11th Aug 20261081 PMAQI
11th Aug 20261182 PMAQI
11th Aug 20261233 PMAQI
11th Aug 20261214 PMAQI
11th Aug 20261245 PMAQI
11th Aug 20261166 PMAQI
11th Aug 20261157 PMAQI
11th Aug 20261088 PMAQI
11th Aug 20261129 PMAQI
11th Aug 20268710 PMAQI
11th Aug 202610311 PMAQI
12th Aug 202610712 AMAQI
12th Aug 20261221 AMAQI
12th Aug 20261192 AMAQI
12th Aug 2026863 AMAQI
12th Aug 2026764 AMAQI
12th Aug 2026605 AMAQI

26°C22/31°C

12th Aug 2026646 AMAQI
12th Aug 2026647 AMAQI
12th Aug 2026688 AMAQI
12th Aug 2026749 AMAQI
12th Aug 20267210 AMAQI
12th Aug 20268411 AMAQI
12th Aug 20267612 PMAQI
12th Aug 2026651 PMAQI
12th Aug 2026562 PMAQI
12th Aug 2026543 PMAQI
12th Aug 2026444 PMAQI
12th Aug 2026455 PMAQI
12th Aug 2026506 PMAQI
12th Aug 2026507 PMAQI
12th Aug 2026528 PMAQI
12th Aug 2026569 PMAQI
12th Aug 20265610 PMAQI
12th Aug 20266611 PMAQI
13th Aug 20266412 AMAQI
13th Aug 2026641 AMAQI
13th Aug 2026642 AMAQI
13th Aug 2026663 AMAQI
13th Aug 2026664 AMAQI
13th Aug 2026625 AMAQI

27°C23/31°C

13th Aug 2026646 AMAQI
13th Aug 2026627 AMAQI
13th Aug 2026668 AMAQI
13th Aug 2026639 AMAQI
13th Aug 20266810 AMAQI
13th Aug 20266611 AMAQI
13th Aug 20266612 PMAQI
13th Aug 2026541 PMAQI
13th Aug 2026662 PMAQI
13th Aug 2026753 PMAQI
13th Aug 2026774 PMAQI
13th Aug 2026785 PMAQI
13th Aug 2026786 PMAQI
13th Aug 2026767 PMAQI
13th Aug 2026728 PMAQI
13th Aug 2026729 PMAQI
13th Aug 20267410 PMAQI
13th Aug 20268011 PMAQI
14th Aug 20267812 AMAQI
14th Aug 2026801 AMAQI
14th Aug 2026782 AMAQI
14th Aug 2026803 AMAQI
14th Aug 2026784 AMAQI
14th Aug 2026765 AMAQI

27°C24/31°C

14th Aug 2026746 AMAQI
14th Aug 2026787 AMAQI
14th Aug 2026788 AMAQI
14th Aug 2026779 AMAQI
14th Aug 20267210 AMAQI
14th Aug 20267411 AMAQI
14th Aug 20267212 PMAQI
14th Aug 2026741 PMAQI
14th Aug 2026762 PMAQI
14th Aug 2026773 PMAQI
14th Aug 2026774 PMAQI
14th Aug 2026785 PMAQI
14th Aug 2026766 PMAQI
14th Aug 2026797 PMAQI
14th Aug 2026768 PMAQI
14th Aug 2026789 PMAQI
14th Aug 20267910 PMAQI
14th Aug 20267411 PMAQI
15th Aug 20266712 AMAQI
15th Aug 2026701 AMAQI
15th Aug 2026682 AMAQI
15th Aug 2026673 AMAQI
15th Aug 2026664 AMAQI
15th Aug 2026645 AMAQI

28°C24/33°C

15th Aug 2026646 AMAQI
6 AM
15th Aug 2026647 AMAQI
15th Aug 2026668 AMAQI
15th Aug 2026649 AMAQI
15th Aug 20266410 AMAQI
15th Aug 20266611 AMAQI
15th Aug 20266612 PMAQI
12 PM
15th Aug 2026671 PMAQI
15th Aug 2026662 PMAQI
15th Aug 2026643 PMAQI
15th Aug 2026684 PMAQI
15th Aug 2026705 PMAQI
15th Aug 2026546 PMAQI
6 PM
15th Aug 2026607 PMAQI
15th Aug 2026518 PMAQI
15th Aug 2026589 PMAQI
15th Aug 20266210 PMAQI
15th Aug 20266611 PMAQI
12 AM
5 AM

27°C23/32°C

Day time
Avg. Highest Time
3 PM - 5 PM

55AQI

3 hours / Day
90 hours / Month
Avg. Lowest Time
6 AM - 12 PM

52AQI

7 hours / Day
210 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 3 PM to 5 PM (Avg. 55), while the lowest AQI was between 6 AM to 12 PM (Avg. 52).
Night time
Avg. Highest Time
9 PM

57AQI

1 hours / Day
30 hours / Month
Avg. Lowest Time
5 AM

50AQI

1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 9 PM to 9 PM (Avg. 57), while the lowest AQI was between 5 AM to 5 AM (Avg. 50).

2026 Days Vs Air Quality

Caguas, Puerto Rico, United States

2026

80%

180

20%

44

Total number of days with different AQI categories in last 227 days in 2026 (138 days remaining)

Good
180 Days
Moderate
44 Days
Poor
0 Days
Unhealthy
0 Days
Severe
0 Days
Hazardous
0 Days

Under WHO’s Safe Air Quality Limits: 80%

Health Risk Level:

Low

In 2026, 80% of 227 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

Caguas, Puerto Rico, United States

AQI levels in 2026

AQI (US)
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 2026
-1th undefined 2026
-1th undefined 2026
-1th undefined 2026
1st January 2026
38AQI (US)
2nd January 2026
41AQI (US)
3rd January 2026
48AQI (US)
4th January 2026
49AQI (US)
5th January 2026
50AQI (US)
6th January 2026
48AQI (US)
7th January 2026
54AQI (US)
8th January 2026
49AQI (US)
9th January 2026
46AQI (US)
10th January 2026
46AQI (US)
11th January 2026
49AQI (US)
12th January 2026
42AQI (US)
13th January 2026
40AQI (US)
14th January 2026
29AQI (US)
15th January 2026
33AQI (US)
16th January 2026
32AQI (US)
17th January 2026
37AQI (US)
18th January 2026
34AQI (US)
19th January 2026
34AQI (US)
20th January 2026
49AQI (US)
21st January 2026
36AQI (US)
22nd January 2026
52AQI (US)
23rd January 2026
56AQI (US)
24th January 2026
50AQI (US)
25th January 2026
54AQI (US)
26th January 2026
50AQI (US)
27th January 2026
42AQI (US)
28th January 2026
46AQI (US)
29th January 2026
48AQI (US)
30th January 2026
58AQI (US)
31st January 2026
50AQI (US)
1st February 2026
53AQI (US)
2nd February 2026
56AQI (US)
3rd February 2026
50AQI (US)
4th February 2026
52AQI (US)
5th February 2026
56AQI (US)
6th February 2026
54AQI (US)
7th February 2026
46AQI (US)
8th February 2026
51AQI (US)
9th February 2026
49AQI (US)
10th February 2026
43AQI (US)
11th February 2026
44AQI (US)
12th February 2026
48AQI (US)
13th February 2026
54AQI (US)
14th February 2026
59AQI (US)
15th February 2026
55AQI (US)
16th February 2026
52AQI (US)
17th February 2026
54AQI (US)
18th February 2026
51AQI (US)
19th February 2026
52AQI (US)
20th February 2026
50AQI (US)
21st February 2026
47AQI (US)
22nd February 2026
44AQI (US)
23rd February 2026
44AQI (US)
24th February 2026
46AQI (US)
25th February 2026
48AQI (US)
26th February 2026
47AQI (US)
27th February 2026
36AQI (US)
28th February 2026
40AQI (US)
1st March 2026
45AQI (US)
2nd March 2026
54AQI (US)
3rd March 2026
55AQI (US)
4th March 2026
54AQI (US)
5th March 2026
40AQI (US)
6th March 2026
54AQI (US)
7th March 2026
42AQI (US)
8th March 2026
52AQI (US)
9th March 2026
48AQI (US)
10th March 2026
38AQI (US)
11th March 2026
38AQI (US)
12th March 2026
50AQI (US)
13th March 2026
55AQI (US)
14th March 2026
38AQI (US)
15th March 2026
54AQI (US)
16th March 2026
42AQI (US)
17th March 2026
40AQI (US)
18th March 2026
35AQI (US)
19th March 2026
46AQI (US)
20th March 2026
38AQI (US)
21st March 2026
40AQI (US)
22nd March 2026
37AQI (US)
23rd March 2026
42AQI (US)
24th March 2026
41AQI (US)
25th March 2026
38AQI (US)
26th March 2026
36AQI (US)
27th March 2026
41AQI (US)
28th March 2026
37AQI (US)
29th March 2026
38AQI (US)
30th March 2026
39AQI (US)
31st March 2026
32AQI (US)
1st April 2026
34AQI (US)
2nd April 2026
38AQI (US)
3rd April 2026
34AQI (US)
4th April 2026
42AQI (US)
5th April 2026
41AQI (US)
6th April 2026
48AQI (US)
7th April 2026
39AQI (US)
8th April 2026
46AQI (US)
9th April 2026
31AQI (US)
10th April 2026
43AQI (US)
11th April 2026
42AQI (US)
12th April 2026
42AQI (US)
13th April 2026
40AQI (US)
14th April 2026
45AQI (US)
15th April 2026
39AQI (US)
16th April 2026
39AQI (US)
17th April 2026
18th April 2026
46AQI (US)
19th April 2026
47AQI (US)
20th April 2026
36AQI (US)
21st April 2026
32AQI (US)
22nd April 2026
23rd April 2026
26AQI (US)
24th April 2026
34AQI (US)
25th April 2026
32AQI (US)
26th April 2026
37AQI (US)
27th April 2026
32AQI (US)
28th April 2026
30AQI (US)
29th April 2026
26AQI (US)
30th April 2026
30AQI (US)
1st May 2026
32AQI (US)
2nd May 2026
29AQI (US)
3rd May 2026
34AQI (US)
4th May 2026
32AQI (US)
5th May 2026
42AQI (US)
6th May 2026
44AQI (US)
7th May 2026
42AQI (US)
8th May 2026
34AQI (US)
9th May 2026
10th May 2026
47AQI (US)
11th May 2026
39AQI (US)
12th May 2026
38AQI (US)
13th May 2026
41AQI (US)
14th May 2026
37AQI (US)
15th May 2026
41AQI (US)
16th May 2026
48AQI (US)
17th May 2026
44AQI (US)
18th May 2026
42AQI (US)
19th May 2026
37AQI (US)
20th May 2026
44AQI (US)
21st May 2026
42AQI (US)
22nd May 2026
40AQI (US)
23rd May 2026
44AQI (US)
24th May 2026
46AQI (US)
25th May 2026
45AQI (US)
26th May 2026
39AQI (US)
27th May 2026
35AQI (US)
28th May 2026
46AQI (US)
29th May 2026
30AQI (US)
30th May 2026
26AQI (US)
31st May 2026
30AQI (US)
1st June 2026
50AQI (US)
2nd June 2026
48AQI (US)
3rd June 2026
48AQI (US)
4th June 2026
30AQI (US)
5th June 2026
31AQI (US)
6th June 2026
36AQI (US)
7th June 2026
22AQI (US)
8th June 2026
34AQI (US)
9th June 2026
32AQI (US)
10th June 2026
30AQI (US)
11th June 2026
38AQI (US)
12th June 2026
38AQI (US)
13th June 2026
37AQI (US)
14th June 2026
34AQI (US)
15th June 2026
56AQI (US)
16th June 2026
46AQI (US)
17th June 2026
44AQI (US)
18th June 2026
40AQI (US)
19th June 2026
51AQI (US)
20th June 2026
38AQI (US)
21st June 2026
38AQI (US)
22nd June 2026
38AQI (US)
23rd June 2026
42AQI (US)
24th June 2026
49AQI (US)
25th June 2026
26AQI (US)
26th June 2026
38AQI (US)
27th June 2026
30AQI (US)
28th June 2026
28AQI (US)
29th June 2026
25AQI (US)
30th June 2026
27AQI (US)
1st July 2026
27AQI (US)
2nd July 2026
29AQI (US)
3rd July 2026
28AQI (US)
4th July 2026
26AQI (US)
5th July 2026
43AQI (US)
6th July 2026
21AQI (US)
7th July 2026
22AQI (US)
8th July 2026
20AQI (US)
9th July 2026
22AQI (US)
10th July 2026
41AQI (US)
11th July 2026
27AQI (US)
12th July 2026
22AQI (US)
13th July 2026
26AQI (US)
14th July 2026
30AQI (US)
15th July 2026
51AQI (US)
16th July 2026
35AQI (US)
17th July 2026
43AQI (US)
18th July 2026
52AQI (US)
19th July 2026
47AQI (US)
20th July 2026
40AQI (US)
21st July 2026
46AQI (US)
22nd July 2026
48AQI (US)
23rd July 2026
42AQI (US)
24th July 2026
52AQI (US)
25th July 2026
51AQI (US)
26th July 2026
54AQI (US)
27th July 2026
49AQI (US)
28th July 2026
60AQI (US)
29th July 2026
55AQI (US)
30th July 2026
55AQI (US)
31st July 2026
51AQI (US)
1st August 2026
42AQI (US)
2nd August 2026
37AQI (US)
3rd August 2026
43AQI (US)
4th August 2026
35AQI (US)
5th August 2026
38AQI (US)
6th August 2026
34AQI (US)
7th August 2026
40AQI (US)
8th August 2026
60AQI (US)
9th August 2026
54AQI (US)
10th August 2026
91AQI (US)
11th August 2026
100AQI (US)
12th August 2026
70AQI (US)
13th August 2026
68AQI (US)
14th August 2026
76AQI (US)
15th August 2026
64AQI (US)
16th August 2026
17th August 2026
18th August 2026
19th August 2026
20th August 2026
21st August 2026
22nd August 2026
23rd August 2026
24th August 2026
25th August 2026
26th August 2026
27th August 2026
28th August 2026
29th August 2026
30th August 2026
31st August 2026
1st September 2026
2nd September 2026
3rd September 2026
4th September 2026
5th September 2026
6th September 2026
7th September 2026
8th September 2026
9th September 2026
10th September 2026
11th September 2026
12th September 2026
13th September 2026
14th September 2026
15th September 2026
16th September 2026
17th September 2026
18th September 2026
19th September 2026
20th September 2026
21st September 2026
22nd September 2026
23rd September 2026
24th September 2026
25th September 2026
26th September 2026
27th September 2026
28th September 2026
29th September 2026
30th September 2026
1st October 2026
2nd October 2026
3rd October 2026
4th October 2026
5th October 2026
6th October 2026
7th October 2026
8th October 2026
9th October 2026
10th October 2026
11th October 2026
12th October 2026
13th October 2026
14th October 2026
15th October 2026
16th October 2026
17th October 2026
18th October 2026
19th October 2026
20th October 2026
21st October 2026
22nd October 2026
23rd October 2026
24th October 2026
25th October 2026
26th October 2026
27th October 2026
28th October 2026
29th October 2026
30th October 2026
31st October 2026
1st November 2026
2nd November 2026
3rd November 2026
4th November 2026
5th November 2026
6th November 2026
7th November 2026
8th November 2026
9th November 2026
10th November 2026
11th November 2026
12th November 2026
13th November 2026
14th November 2026
15th November 2026
16th November 2026
17th November 2026
18th November 2026
19th November 2026
20th November 2026
21st November 2026
22nd November 2026
23rd November 2026
24th November 2026
25th November 2026
26th November 2026
27th November 2026
28th November 2026
29th November 2026
30th November 2026
1st December 2026
2nd December 2026
3rd December 2026
4th December 2026
5th December 2026
6th December 2026
7th December 2026
8th December 2026
9th December 2026
10th December 2026
11th December 2026
12th December 2026
13th December 2026
14th December 2026
15th December 2026
16th December 2026
17th December 2026
18th December 2026
19th December 2026
20th December 2026
21st December 2026
22nd December 2026
23rd December 2026
24th December 2026
25th December 2026
26th December 2026
27th December 2026
28th December 2026
29th December 2026
30th December 2026
31st December 2026

45AQI (US)

49AQI (US)

43AQI (US)

38AQI (US)

39AQI (US)

37AQI (US)

39AQI (US)

57AQI (US)

No. of days

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

202643AQI (US)

26
5
15
13
24
7
28
30
28
2
22
9
7
8
180
44

Highest AQI (US) recorded in

August

57AQI (US)

Lowest AQI (US) recorded in

June

37AQI (US)

202542AQI (US)

30
1
28
31
29
1
31
22
8
18
11
2
26
5
29
1
23
8
13
17
7
24
287
76
2

Highest AQI (US) recorded in

July

58AQI (US)

Lowest AQI (US) recorded in

May

32AQI (US)

202424AQI (US)

30
1
29
31
30
31
30
31
29
2
3
12
1
28
2
29
2
313
8

Highest AQI (US) recorded in

August

38AQI (US)

Lowest AQI (US) recorded in

March

14AQI (US)

202312AQI (US)

31
28
31
30
31
30
31
30
1
30
31
27
2
31
361
3

Highest AQI (US) recorded in

August

18AQI (US)

Lowest AQI (US) recorded in

February

5AQI (US)

20228AQI (US)

3
30
30
63

Highest AQI (US) recorded in

November

8AQI (US)

Lowest AQI (US) recorded in

October

6AQI (US)

Most & Least Polluted Years Over the Last 5 Years

Most Polluted Year Recorded
2026(Avg.)
43AQI (US)
Least Polluted Year Recorded
2022(Avg.)
8AQI (US)

Caguas's annual 2026 AQI (US) (43) shows an average percentage change of 194.3% (worsened AQI (US)) compared to previous years: 2022 (8), 2023 (12), 2024 (24), 2025 (42).