Unidade de Saude Costa e Silva Porto Ar Alegre, Porto Alegre, Rio Grande do Sul, Brazil 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
Unidade de Saude Costa e Silva Porto Ar Alegre, Porto Alegre, Rio Grande do Sul, Brazil
2023
2024
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
4th Aug 2025
70AQILowest AQI recorded on
8th Aug 2023
2AQISame Day Analysis (4th August ):
On this day, AQI across the 3 years varied significantly: 2025 ranks 1st highest AQI at 70 of Moderate air quality on the same day.
Download 2024 Annual Data
World Air Quality Report
Day & Night AQI Trend: 4th Aug - 5th Aug 2025
Unidade de Saude Costa e Silva Porto Ar Alegre, Porto Alegre, Rio Grande do Sul, Brazil
AQI
Day
Night
.
7 AM4th Aug 2025
5 PM
6 AM5th Aug 2025
Day time
Avg. Highest Time
11AM4th Aug
73AQI
Avg. Lowest Time
9AM4th Aug
66AQI
Night time
Avg. Highest Time
10PM4th Aug
76AQI
Avg. Lowest Time
6AM5th Aug
62AQI
In the last 24 hours,
Unidade de Saude Costa e Silva Porto Ar Alegre's AQI reached its highest point of 76 at 10 PM during the Night, while the lowest point, 62, was recorded at 6 AM during the Night between 4th Aug and 5th Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Unidade de Saude Costa e Silva Porto Ar Alegre, Porto Alegre, Rio Grande do Sul, Brazil
JulAug
06th - 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 - 04th04th - 05th05th
Day
Night
6th Jul 2025377 AMAQI
6th Jul 2025438 AMAQI
6th Jul 2025389 AMAQI
6th Jul 20253610 AMAQI
6th Jul 20253711 AMAQI
6th Jul 20253912 PMAQI
6th Jul 2025411 PMAQI
6th Jul 2025372 PMAQI
6th Jul 2025383 PMAQI
6th Jul 2025394 PMAQI
6th Jul 2025405 PMAQI
6th Jul 2025396 PMAQI
6th Jul 2025407 PMAQI
6th Jul 2025428 PMAQI
6th Jul 2025439 PMAQI
6th Jul 20254210 PMAQI
6th Jul 20254511 PMAQI
7th Jul 20254212 AMAQI
7th Jul 2025441 AMAQI
7th Jul 2025492 AMAQI
7th Jul 2025503 AMAQI
7th Jul 2025544 AMAQI
7th Jul 2025535 AMAQI
7th Jul 2025496 AMAQI
13°C9/18°C
7th Jul 2025477 AMAQI
7th Jul 2025448 AMAQI
7th Jul 2025539 AMAQI
7th Jul 20254810 AMAQI
7th Jul 20255011 AMAQI
7th Jul 20254412 PMAQI
7th Jul 2025481 PMAQI
7th Jul 2025502 PMAQI
7th Jul 2025493 PMAQI
7th Jul 2025504 PMAQI
7th Jul 2025535 PMAQI
7th Jul 2025536 PMAQI
7th Jul 2025527 PMAQI
7th Jul 2025578 PMAQI
7th Jul 2025569 PMAQI
7th Jul 20255410 PMAQI
7th Jul 20255411 PMAQI
8th Jul 20255512 AMAQI
8th Jul 2025581 AMAQI
8th Jul 2025552 AMAQI
8th Jul 2025523 AMAQI
8th Jul 2025514 AMAQI
8th Jul 2025455 AMAQI
8th Jul 2025486 AMAQI
14°C10/20°C
8th Jul 2025507 AMAQI
8th Jul 2025498 AMAQI
8th Jul 2025559 AMAQI
8th Jul 20255210 AMAQI
8th Jul 20255211 AMAQI
8th Jul 20255412 PMAQI
8th Jul 2025531 PMAQI
8th Jul 2025502 PMAQI
8th Jul 2025543 PMAQI
8th Jul 2025564 PMAQI
8th Jul 2025545 PMAQI
8th Jul 2025536 PMAQI
8th Jul 2025527 PMAQI
8th Jul 2025528 PMAQI
8th Jul 2025539 PMAQI
8th Jul 20255310 PMAQI
8th Jul 20255011 PMAQI
9th Jul 20254612 AMAQI
9th Jul 2025401 AMAQI
9th Jul 2025382 AMAQI
9th Jul 2025383 AMAQI
9th Jul 2025364 AMAQI
9th Jul 2025425 AMAQI
9th Jul 2025386 AMAQI
15°C12/19°C
9th Jul 2025367 AMAQI
9th Jul 2025408 AMAQI
9th Jul 2025429 AMAQI
9th Jul 20253810 AMAQI
9th Jul 20253811 AMAQI
9th Jul 20254212 PMAQI
9th Jul 2025411 PMAQI
9th Jul 2025422 PMAQI
9th Jul 2025443 PMAQI
9th Jul 2025444 PMAQI
9th Jul 2025395 PMAQI
9th Jul 2025416 PMAQI
9th Jul 2025417 PMAQI
9th Jul 2025418 PMAQI
9th Jul 2025409 PMAQI
9th Jul 20254010 PMAQI
9th Jul 20253811 PMAQI
10th Jul 20253412 AMAQI
10th Jul 2025341 AMAQI
10th Jul 2025332 AMAQI
10th Jul 2025363 AMAQI
10th Jul 2025394 AMAQI
10th Jul 2025385 AMAQI
10th Jul 2025446 AMAQI
14°C11/18°C
10th Jul 2025397 AMAQI
10th Jul 2025448 AMAQI
10th Jul 2025389 AMAQI
10th Jul 20253610 AMAQI
10th Jul 20253811 AMAQI
10th Jul 20254212 PMAQI
10th Jul 2025401 PMAQI
10th Jul 2025402 PMAQI
10th Jul 2025443 PMAQI
10th Jul 2025384 PMAQI
10th Jul 2025365 PMAQI
10th Jul 2025426 PMAQI
10th Jul 2025517 PMAQI
10th Jul 2025548 PMAQI
10th Jul 2025589 PMAQI
10th Jul 20255510 PMAQI
10th Jul 20256411 PMAQI
11th Jul 20257712 AMAQI
11th Jul 2025661 AMAQI
11th Jul 2025642 AMAQI
11th Jul 2025563 AMAQI
11th Jul 2025564 AMAQI
11th Jul 2025555 AMAQI
11th Jul 2025576 AMAQI
14°C10/20°C
11th Jul 2025577 AMAQI
11th Jul 2025608 AMAQI
11th Jul 2025639 AMAQI
11th Jul 20256310 AMAQI
11th Jul 20256411 AMAQI
11th Jul 20256312 PMAQI
11th Jul 2025651 PMAQI
11th Jul 2025622 PMAQI
11th Jul 2025623 PMAQI
11th Jul 2025604 PMAQI
11th Jul 2025645 PMAQI
11th Jul 2025646 PMAQI
11th Jul 2025617 PMAQI
11th Jul 2025608 PMAQI
11th Jul 2025629 PMAQI
11th Jul 20256010 PMAQI
11th Jul 20256111 PMAQI
12th Jul 20255612 AMAQI
12th Jul 2025501 AMAQI
12th Jul 2025522 AMAQI
12th Jul 2025503 AMAQI
12th Jul 2025524 AMAQI
12th Jul 2025505 AMAQI
12th Jul 2025486 AMAQI
16°C13/21°C
12th Jul 2025477 AMAQI
12th Jul 2025498 AMAQI
12th Jul 2025529 AMAQI
12th Jul 20255210 AMAQI
12th Jul 20255211 AMAQI
12th Jul 20255412 PMAQI
12th Jul 2025541 PMAQI
12th Jul 2025522 PMAQI
12th Jul 2025543 PMAQI
12th Jul 2025484 PMAQI
12th Jul 2025495 PMAQI
12th Jul 2025526 PMAQI
12th Jul 2025527 PMAQI
12th Jul 2025538 PMAQI
12th Jul 2025549 PMAQI
12th Jul 20254810 PMAQI
12th Jul 20254711 PMAQI
13th Jul 20254712 AMAQI
13th Jul 2025381 AMAQI
13th Jul 2025402 AMAQI
13th Jul 2025493 AMAQI
13th Jul 2025514 AMAQI
13th Jul 2025495 AMAQI
13th Jul 2025526 AMAQI
14°C11/19°C
13th Jul 2025477 AMAQI
13th Jul 2025458 AMAQI
13th Jul 2025509 AMAQI
13th Jul 20255010 AMAQI
13th Jul 20254911 AMAQI
13th Jul 20255112 PMAQI
13th Jul 2025561 PMAQI
13th Jul 2025572 PMAQI
13th Jul 2025563 PMAQI
13th Jul 2025554 PMAQI
13th Jul 2025485 PMAQI
13th Jul 2025506 PMAQI
13th Jul 2025527 PMAQI
13th Jul 2025538 PMAQI
13th Jul 2025539 PMAQI
13th Jul 20255010 PMAQI
13th Jul 20255011 PMAQI
14th Jul 20255012 AMAQI
14th Jul 2025511 AMAQI
14th Jul 2025542 AMAQI
14th Jul 2025533 AMAQI
14th Jul 2025504 AMAQI
14th Jul 2025525 AMAQI
14th Jul 2025516 AMAQI
16°C13/22°C
14th Jul 2025517 AMAQI
14th Jul 2025528 AMAQI
14th Jul 2025539 AMAQI
14th Jul 20255010 AMAQI
14th Jul 20255011 AMAQI
14th Jul 20255112 PMAQI
14th Jul 2025511 PMAQI
14th Jul 2025482 PMAQI
14th Jul 2025503 PMAQI
14th Jul 2025494 PMAQI
14th Jul 2025525 PMAQI
14th Jul 2025506 PMAQI
14th Jul 2025527 PMAQI
14th Jul 2025528 PMAQI
14th Jul 2025539 PMAQI
14th Jul 20255610 PMAQI
14th Jul 20255311 PMAQI
15th Jul 20254612 AMAQI
15th Jul 2025411 AMAQI
15th Jul 2025402 AMAQI
15th Jul 2025373 AMAQI
15th Jul 2025424 AMAQI
15th Jul 2025405 AMAQI
15th Jul 2025406 AMAQI
16°C14/21°C
15th Jul 2025417 AMAQI
15th Jul 2025448 AMAQI
15th Jul 2025439 AMAQI
15th Jul 20254210 AMAQI
15th Jul 20254211 AMAQI
15th Jul 20254612 PMAQI
15th Jul 2025441 PMAQI
15th Jul 2025422 PMAQI
15th Jul 2025443 PMAQI
15th Jul 2025434 PMAQI
15th Jul 2025385 PMAQI
15th Jul 2025426 PMAQI
15th Jul 2025457 PMAQI
15th Jul 2025468 PMAQI
15th Jul 2025549 PMAQI
15th Jul 20255810 PMAQI
15th Jul 20256011 PMAQI
16th Jul 20256312 AMAQI
16th Jul 2025701 AMAQI
16th Jul 2025542 AMAQI
16th Jul 2025483 AMAQI
16th Jul 2025654 AMAQI
16th Jul 2025785 AMAQI
16th Jul 2025666 AMAQI
17°C13/24°C
16th Jul 2025567 AMAQI
16th Jul 2025558 AMAQI
16th Jul 2025499 AMAQI
16th Jul 20255310 AMAQI
16th Jul 20255211 AMAQI
16th Jul 20255312 PMAQI
16th Jul 2025531 PMAQI
16th Jul 2025532 PMAQI
16th Jul 2025523 PMAQI
16th Jul 2025524 PMAQI
16th Jul 2025565 PMAQI
16th Jul 2025576 PMAQI
16th Jul 2025557 PMAQI
16th Jul 2025578 PMAQI
16th Jul 2025609 PMAQI
16th Jul 20256110 PMAQI
16th Jul 20255811 PMAQI
17th Jul 20255412 AMAQI
17th Jul 2025531 AMAQI
17th Jul 2025562 AMAQI
17th Jul 2025663 AMAQI
17th Jul 2025594 AMAQI
17th Jul 2025565 AMAQI
17th Jul 2025506 AMAQI
19°C15/26°C
17th Jul 2025397 AMAQI
17th Jul 2025478 AMAQI
17th Jul 2025569 AMAQI
17th Jul 20255610 AMAQI
17th Jul 20255711 AMAQI
17th Jul 20255612 PMAQI
17th Jul 2025541 PMAQI
17th Jul 2025502 PMAQI
17th Jul 2025503 PMAQI
17th Jul 2025524 PMAQI
17th Jul 2025555 PMAQI
17th Jul 2025546 PMAQI
17th Jul 2025547 PMAQI
17th Jul 2025448 PMAQI
17th Jul 2025519 PMAQI
17th Jul 20255310 PMAQI
17th Jul 20255011 PMAQI
18th Jul 20254412 AMAQI
18th Jul 2025311 AMAQI
18th Jul 2025332 AMAQI
18th Jul 2025363 AMAQI
18th Jul 2025314 AMAQI
18th Jul 2025325 AMAQI
18th Jul 2025236 AMAQI
14°C11/17°C
18th Jul 2025307 AMAQI
18th Jul 2025288 AMAQI
18th Jul 2025239 AMAQI
18th Jul 20252810 AMAQI
18th Jul 20253011 AMAQI
18th Jul 20253712 PMAQI
18th Jul 2025371 PMAQI
18th Jul 2025292 PMAQI
18th Jul 2025283 PMAQI
18th Jul 2025294 PMAQI
18th Jul 2025375 PMAQI
18th Jul 2025356 PMAQI
18th Jul 2025317 PMAQI
18th Jul 2025308 PMAQI
18th Jul 2025489 PMAQI
18th Jul 20254010 PMAQI
18th Jul 20254411 PMAQI
19th Jul 20253812 AMAQI
19th Jul 2025421 AMAQI
19th Jul 2025452 AMAQI
19th Jul 2025383 AMAQI
19th Jul 2025304 AMAQI
19th Jul 2025375 AMAQI
19th Jul 2025416 AMAQI
12°C10/13°C
19th Jul 2025387 AMAQI
19th Jul 2025298 AMAQI
19th Jul 2025449 AMAQI
19th Jul 20253610 AMAQI
19th Jul 20253711 AMAQI
19th Jul 20254012 PMAQI
19th Jul 2025381 PMAQI
19th Jul 2025332 PMAQI
19th Jul 2025333 PMAQI
19th Jul 2025344 PMAQI
19th Jul 2025335 PMAQI
19th Jul 2025346 PMAQI
19th Jul 2025407 PMAQI
19th Jul 2025448 PMAQI
19th Jul 2025589 PMAQI
19th Jul 20255610 PMAQI
19th Jul 20255711 PMAQI
20th Jul 20255812 AMAQI
20th Jul 2025581 AMAQI
20th Jul 2025512 AMAQI
20th Jul 2025483 AMAQI
20th Jul 2025474 AMAQI
20th Jul 2025485 AMAQI
20th Jul 2025476 AMAQI
13°C8/19°C
20th Jul 2025467 AMAQI
20th Jul 2025478 AMAQI
20th Jul 2025559 AMAQI
20th Jul 20255310 AMAQI
20th Jul 20255511 AMAQI
20th Jul 20255812 PMAQI
20th Jul 2025631 PMAQI
20th Jul 2025602 PMAQI
20th Jul 2025563 PMAQI
20th Jul 2025554 PMAQI
20th Jul 2025525 PMAQI
20th Jul 2025506 PMAQI
20th Jul 2025547 PMAQI
20th Jul 2025588 PMAQI
20th Jul 2025599 PMAQI
20th Jul 20255910 PMAQI
20th Jul 20256111 PMAQI
21st Jul 20255912 AMAQI
21st Jul 2025581 AMAQI
21st Jul 2025642 AMAQI
21st Jul 2025573 AMAQI
21st Jul 2025544 AMAQI
21st Jul 2025535 AMAQI
21st Jul 2025476 AMAQI
14°C10/21°C
21st Jul 2025487 AMAQI
21st Jul 2025448 AMAQI
21st Jul 2025529 AMAQI
21st Jul 20255310 AMAQI
21st Jul 20255511 AMAQI
21st Jul 20255412 PMAQI
21st Jul 2025571 PMAQI
21st Jul 2025602 PMAQI
21st Jul 2025583 PMAQI
21st Jul 2025544 PMAQI
21st Jul 2025515 PMAQI
21st Jul 2025526 PMAQI
21st Jul 2025597 PMAQI
21st Jul 2025598 PMAQI
21st Jul 2025879 PMAQI
21st Jul 20258910 PMAQI
21st Jul 20258711 PMAQI
22nd Jul 20257412 AMAQI
22nd Jul 2025591 AMAQI
22nd Jul 2025452 AMAQI
22nd Jul 2025413 AMAQI
22nd Jul 2025444 AMAQI
22nd Jul 2025475 AMAQI
22nd Jul 2025486 AMAQI
16°C12/23°C
22nd Jul 2025447 AMAQI
22nd Jul 2025528 AMAQI
22nd Jul 2025449 AMAQI
22nd Jul 20255110 AMAQI
22nd Jul 20255211 AMAQI
22nd Jul 20255212 PMAQI
22nd Jul 2025501 PMAQI
22nd Jul 2025482 PMAQI
22nd Jul 2025483 PMAQI
22nd Jul 2025484 PMAQI
22nd Jul 2025515 PMAQI
22nd Jul 2025506 PMAQI
22nd Jul 2025497 PMAQI
22nd Jul 2025498 PMAQI
22nd Jul 2025529 PMAQI
22nd Jul 20255010 PMAQI
22nd Jul 20255111 PMAQI
23rd Jul 20254612 AMAQI
23rd Jul 2025301 AMAQI
23rd Jul 2025322 AMAQI
23rd Jul 2025363 AMAQI
23rd Jul 2025434 AMAQI
23rd Jul 2025435 AMAQI
23rd Jul 2025446 AMAQI
17°C13/22°C
23rd Jul 2025527 AMAQI
23rd Jul 2025398 AMAQI
23rd Jul 2025419 AMAQI
23rd Jul 20253610 AMAQI
23rd Jul 20253611 AMAQI
23rd Jul 20254012 PMAQI
23rd Jul 2025351 PMAQI
23rd Jul 2025382 PMAQI
23rd Jul 2025393 PMAQI
23rd Jul 2025354 PMAQI
23rd Jul 2025405 PMAQI
23rd Jul 2025446 PMAQI
23rd Jul 2025337 PMAQI
23rd Jul 2025368 PMAQI
23rd Jul 2025329 PMAQI
23rd Jul 20253410 PMAQI
23rd Jul 20253311 PMAQI
24th Jul 20253012 AMAQI
24th Jul 2025261 AMAQI
24th Jul 2025222 AMAQI
24th Jul 2025243 AMAQI
24th Jul 2025244 AMAQI
24th Jul 2025235 AMAQI
24th Jul 2025276 AMAQI
12°C10/14°C
24th Jul 2025337 AMAQI
24th Jul 2025358 AMAQI
24th Jul 2025359 AMAQI
24th Jul 20253010 AMAQI
24th Jul 20252911 AMAQI
24th Jul 20252812 PMAQI
24th Jul 2025251 PMAQI
24th Jul 2025342 PMAQI
24th Jul 2025273 PMAQI
24th Jul 2025264 PMAQI
24th Jul 2025275 PMAQI
24th Jul 2025326 PMAQI
24th Jul 2025287 PMAQI
24th Jul 2025278 PMAQI
24th Jul 2025519 PMAQI
24th Jul 20255010 PMAQI
24th Jul 20255511 PMAQI
25th Jul 20254012 AMAQI
25th Jul 2025251 AMAQI
25th Jul 2025302 AMAQI
25th Jul 2025313 AMAQI
25th Jul 2025264 AMAQI
25th Jul 2025255 AMAQI
25th Jul 2025306 AMAQI
13°C9/18°C
25th Jul 2025307 AMAQI
25th Jul 2025288 AMAQI
25th Jul 2025429 AMAQI
25th Jul 20253210 AMAQI
25th Jul 20252611 AMAQI
25th Jul 20253512 PMAQI
25th Jul 2025361 PMAQI
25th Jul 2025342 PMAQI
25th Jul 2025323 PMAQI
25th Jul 2025424 PMAQI
25th Jul 2025395 PMAQI
25th Jul 2025506 PMAQI
25th Jul 2025377 PMAQI
25th Jul 2025338 PMAQI
25th Jul 2025509 PMAQI
25th Jul 20255110 PMAQI
25th Jul 20255011 PMAQI
26th Jul 20255212 AMAQI
26th Jul 2025431 AMAQI
26th Jul 2025392 AMAQI
26th Jul 2025463 AMAQI
26th Jul 2025484 AMAQI
26th Jul 2025385 AMAQI
26th Jul 2025456 AMAQI
17°C13/23°C
26th Jul 2025497 AMAQI
26th Jul 2025428 AMAQI
26th Jul 2025449 AMAQI
26th Jul 20254610 AMAQI
26th Jul 20254311 AMAQI
26th Jul 20253712 PMAQI
26th Jul 2025411 PMAQI
26th Jul 2025382 PMAQI
26th Jul 2025383 PMAQI
26th Jul 2025354 PMAQI
26th Jul 2025445 PMAQI
26th Jul 2025446 PMAQI
26th Jul 2025417 PMAQI
26th Jul 2025438 PMAQI
26th Jul 2025459 PMAQI
26th Jul 20254810 PMAQI
26th Jul 20254211 PMAQI
27th Jul 20254112 AMAQI
27th Jul 2025291 AMAQI
27th Jul 2025242 AMAQI
27th Jul 2025263 AMAQI
27th Jul 2025314 AMAQI
27th Jul 2025315 AMAQI
27th Jul 2025486 AMAQI
18°C15/22°C
27th Jul 2025357 AMAQI
27th Jul 2025328 AMAQI
27th Jul 2025299 AMAQI
27th Jul 20253210 AMAQI
27th Jul 20253311 AMAQI
27th Jul 20253712 PMAQI
27th Jul 2025381 PMAQI
27th Jul 2025372 PMAQI
27th Jul 2025383 PMAQI
27th Jul 2025324 PMAQI
27th Jul 2025325 PMAQI
27th Jul 2025366 PMAQI
27th Jul 2025397 PMAQI
27th Jul 2025388 PMAQI
27th Jul 2025359 PMAQI
27th Jul 20254210 PMAQI
27th Jul 20253411 PMAQI
28th Jul 20253612 AMAQI
28th Jul 2025301 AMAQI
28th Jul 2025242 AMAQI
28th Jul 2025343 AMAQI
28th Jul 2025294 AMAQI
28th Jul 2025295 AMAQI
28th Jul 2025276 AMAQI
17°C15/18°C
28th Jul 2025287 AMAQI
28th Jul 2025298 AMAQI
28th Jul 2025289 AMAQI
28th Jul 20252610 AMAQI
28th Jul 20253111 AMAQI
28th Jul 20252612 PMAQI
28th Jul 2025341 PMAQI
28th Jul 2025332 PMAQI
28th Jul 2025283 PMAQI
28th Jul 2025284 PMAQI
28th Jul 2025405 PMAQI
28th Jul 2025306 PMAQI
28th Jul 2025287 PMAQI
28th Jul 2025308 PMAQI
28th Jul 2025309 PMAQI
28th Jul 20253010 PMAQI
28th Jul 20253211 PMAQI
29th Jul 20252212 AMAQI
29th Jul 2025201 AMAQI
29th Jul 2025252 AMAQI
29th Jul 2025203 AMAQI
29th Jul 2025194 AMAQI
29th Jul 2025205 AMAQI
29th Jul 2025206 AMAQI
12°C10/14°C
29th Jul 2025207 AMAQI
29th Jul 2025218 AMAQI
29th Jul 2025189 AMAQI
29th Jul 20252010 AMAQI
29th Jul 20252111 AMAQI
29th Jul 20252312 PMAQI
29th Jul 2025211 PMAQI
29th Jul 2025222 PMAQI
29th Jul 2025233 PMAQI
29th Jul 2025244 PMAQI
29th Jul 2025265 PMAQI
29th Jul 2025246 PMAQI
29th Jul 2025257 PMAQI
29th Jul 2025338 PMAQI
29th Jul 2025329 PMAQI
29th Jul 20254410 PMAQI
29th Jul 20253411 PMAQI
30th Jul 20253012 AMAQI
30th Jul 2025321 AMAQI
30th Jul 2025382 AMAQI
30th Jul 2025323 AMAQI
30th Jul 2025304 AMAQI
30th Jul 2025315 AMAQI
30th Jul 2025286 AMAQI
11°C8/14°C
30th Jul 2025287 AMAQI
30th Jul 2025318 AMAQI
30th Jul 2025269 AMAQI
30th Jul 20252710 AMAQI
30th Jul 20252711 AMAQI
30th Jul 20252812 PMAQI
30th Jul 2025271 PMAQI
30th Jul 2025292 PMAQI
30th Jul 2025263 PMAQI
30th Jul 2025514 PMAQI
30th Jul 2025535 PMAQI
30th Jul 2025536 PMAQI
30th Jul 2025537 PMAQI
30th Jul 2025538 PMAQI
30th Jul 2025539 PMAQI
30th Jul 20255310 PMAQI
30th Jul 20254511 PMAQI
31st Jul 20253512 AMAQI
31st Jul 2025321 AMAQI
31st Jul 2025292 AMAQI
31st Jul 2025303 AMAQI
31st Jul 2025284 AMAQI
31st Jul 2025305 AMAQI
31st Jul 2025276 AMAQI
11°C7/16°C
31st Jul 2025307 AMAQI
31st Jul 2025328 AMAQI
31st Jul 2025569 AMAQI
31st Jul 20255410 AMAQI
31st Jul 20255611 AMAQI
31st Jul 20255812 PMAQI
31st Jul 2025521 PMAQI
31st Jul 2025542 PMAQI
31st Jul 2025563 PMAQI
31st Jul 2025534 PMAQI
31st Jul 2025525 PMAQI
31st Jul 2025516 PMAQI
31st Jul 2025517 PMAQI
31st Jul 2025508 PMAQI
31st Jul 2025639 PMAQI
31st Jul 20256510 PMAQI
31st Jul 20257411 PMAQI
1st Aug 20256412 AMAQI
1st Aug 2025501 AMAQI
1st Aug 2025482 AMAQI
1st Aug 2025463 AMAQI
1st Aug 2025514 AMAQI
1st Aug 2025445 AMAQI
1st Aug 2025446 AMAQI
14°C9/22°C
1st Aug 2025557 AMAQI
1st Aug 2025428 AMAQI
1st Aug 2025359 AMAQI
1st Aug 20254210 AMAQI
1st Aug 20254211 AMAQI
1st Aug 20255312 PMAQI
1st Aug 2025381 PMAQI
1st Aug 2025502 PMAQI
1st Aug 2025503 PMAQI
1st Aug 2025484 PMAQI
1st Aug 2025505 PMAQI
1st Aug 2025486 PMAQI
1st Aug 2025517 PMAQI
1st Aug 2025498 PMAQI
1st Aug 2025509 PMAQI
1st Aug 20254810 PMAQI
1st Aug 20254911 PMAQI
2nd Aug 20255012 AMAQI
2nd Aug 2025511 AMAQI
2nd Aug 2025582 AMAQI
2nd Aug 2025563 AMAQI
2nd Aug 2025584 AMAQI
2nd Aug 2025505 AMAQI
2nd Aug 2025606 AMAQI
17°C11/24°C
2nd Aug 2025627 AMAQI
2nd Aug 2025558 AMAQI
2nd Aug 2025539 AMAQI
2nd Aug 20255510 AMAQI
2nd Aug 20255311 AMAQI
2nd Aug 20255012 PMAQI
2nd Aug 2025511 PMAQI
2nd Aug 2025552 PMAQI
2nd Aug 2025563 PMAQI
2nd Aug 2025534 PMAQI
2nd Aug 2025555 PMAQI
2nd Aug 2025566 PMAQI
2nd Aug 2025567 PMAQI
2nd Aug 2025638 PMAQI
2nd Aug 2025569 PMAQI
2nd Aug 20255810 PMAQI
2nd Aug 20255511 PMAQI
3rd Aug 20255812 AMAQI
3rd Aug 2025731 AMAQI
3rd Aug 2025732 AMAQI
3rd Aug 2025883 AMAQI
3rd Aug 2025684 AMAQI
3rd Aug 2025685 AMAQI
3rd Aug 2025556 AMAQI
21°C16/29°C
3rd Aug 2025637 AMAQI
3rd Aug 2025708 AMAQI
3rd Aug 2025629 AMAQI
3rd Aug 20256710 AMAQI
3rd Aug 20255811 AMAQI
3rd Aug 20256512 PMAQI
3rd Aug 2025641 PMAQI
3rd Aug 2025712 PMAQI
3rd Aug 2025703 PMAQI
3rd Aug 2025704 PMAQI
3rd Aug 2025725 PMAQI
3rd Aug 2025726 PMAQI
3rd Aug 2025717 PMAQI
3rd Aug 2025688 PMAQI
3rd Aug 2025709 PMAQI
3rd Aug 20257210 PMAQI
3rd Aug 20257611 PMAQI
4th Aug 20256812 AMAQI
4th Aug 2025691 AMAQI
4th Aug 2025782 AMAQI
4th Aug 2025653 AMAQI
4th Aug 2025704 AMAQI
4th Aug 2025655 AMAQI
4th Aug 2025656 AMAQI
17°C15/19°C
4th Aug 2025687 AMAQI
4th Aug 2025688 AMAQI
4th Aug 2025669 AMAQI
4th Aug 20257110 AMAQI
4th Aug 20257311 AMAQI
4th Aug 20257212 PMAQI
4th Aug 2025731 PMAQI
4th Aug 2025732 PMAQI
4th Aug 2025713 PMAQI
4th Aug 2025694 PMAQI
4th Aug 2025715 PMAQI
4th Aug 2025716 PMAQI
4th Aug 2025717 PMAQI
4th Aug 2025728 PMAQI
4th Aug 2025719 PMAQI
4th Aug 20257610 PMAQI
4th Aug 20257411 PMAQI
5th Aug 20257112 AMAQI
5th Aug 2025661 AMAQI
5th Aug 2025682 AMAQI
5th Aug 2025703 AMAQI
5th Aug 2025624 AMAQI
5th Aug 2025645 AMAQI
5th Aug 2025626 AMAQI
13°C12/14°C
7 AM
12 PM
5 PM
12 AM
6 AM
--°C/°C
Day time
Avg. Highest Time
7 AM - 5 PM
45AQI
11 hours / Day
330 hours / Month
Avg. Lowest Time
7 AM - 5 PM
45AQI
11 hours / Day
330 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 7 AM to 5 PM (Avg. 45), while the lowest AQI was between 7 AM to 5 PM (Avg. 45).
Night time
Avg. Highest Time
9 PM - 11 PM
53AQI
3 hours / Day
90 hours / Month
Avg. Lowest Time
1 AM - 6 AM
45AQI
6 hours / Day
180 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 9 PM to 11 PM (Avg. 53), while the lowest AQI was between 1 AM to 6 AM (Avg. 45).
2025 Days Vs Air Quality
Unidade de Saude Costa e Silva Porto Ar Alegre, Porto Alegre, Rio Grande do Sul, Brazil
2025
82%
178
18%
38
Total number of days with different AQI categories in last 217 days in 2025 (148 days remaining)
Good
178 DaysModerate
38 DaysPoor
0 DaysUnhealthy
0 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 82%
Health Risk Level:
Low
In 2025, 82% of 217 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
Unidade de Saude Costa e Silva Porto Ar Alegre, Porto Alegre, Rio Grande do Sul, Brazil
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
46AQI
46AQI
2nd January 2025
44AQI
44AQI
3rd January 2025
42AQI
42AQI
4th January 2025
39AQI
39AQI
5th January 2025
42AQI
42AQI
6th January 2025
39AQI
39AQI
7th January 2025
42AQI
42AQI
8th January 2025
39AQI
39AQI
9th January 2025
39AQI
39AQI
10th January 2025
36AQI
36AQI
11th January 2025
38AQI
38AQI
12th January 2025
40AQI
40AQI
13th January 2025
38AQI
38AQI
14th January 2025
37AQI
37AQI
15th January 2025
40AQI
40AQI
16th January 2025
46AQI
46AQI
17th January 2025
49AQI
49AQI
18th January 2025
46AQI
46AQI
19th January 2025
50AQI
50AQI
20th January 2025
46AQI
46AQI
21st January 2025
46AQI
46AQI
22nd January 2025
49AQI
49AQI
23rd January 2025
36AQI
36AQI
24th January 2025
44AQI
44AQI
25th January 2025
52AQI
52AQI
26th January 2025
49AQI
49AQI
27th January 2025
45AQI
45AQI
28th January 2025
45AQI
45AQI
29th January 2025
46AQI
46AQI
30th January 2025
43AQI
43AQI
31st January 2025
43AQI
43AQI
1st February 2025
45AQI
45AQI
2nd February 2025
46AQI
46AQI
3rd February 2025
43AQI
43AQI
4th February 2025
43AQI
43AQI
5th February 2025
50AQI
50AQI
6th February 2025
48AQI
48AQI
7th February 2025
48AQI
48AQI
8th February 2025
45AQI
45AQI
9th February 2025
47AQI
47AQI
10th February 2025
42AQI
42AQI
11th February 2025
50AQI
50AQI
12th February 2025
55AQI
55AQI
13th February 2025
53AQI
53AQI
14th February 2025
52AQI
52AQI
15th February 2025
50AQI
50AQI
16th February 2025
52AQI
52AQI
17th February 2025
53AQI
53AQI
18th February 2025
53AQI
53AQI
19th February 2025
50AQI
50AQI
20th February 2025
51AQI
51AQI
21st February 2025
48AQI
48AQI
22nd February 2025
51AQI
51AQI
23rd February 2025
48AQI
48AQI
24th February 2025
46AQI
46AQI
25th February 2025
49AQI
49AQI
26th February 2025
47AQI
47AQI
27th February 2025
54AQI
54AQI
28th February 2025
52AQI
52AQI
1st March 2025
50AQI
50AQI
2nd March 2025
44AQI
44AQI
3rd March 2025
47AQI
47AQI
4th March 2025
51AQI
51AQI
5th March 2025
49AQI
49AQI
6th March 2025
48AQI
48AQI
7th March 2025
42AQI
42AQI
8th March 2025
48AQI
48AQI
9th March 2025
49AQI
49AQI
10th March 2025
48AQI
48AQI
11th March 2025
44AQI
44AQI
12th March 2025
47AQI
47AQI
13th March 2025
49AQI
49AQI
14th March 2025
47AQI
47AQI
15th March 2025
43AQI
43AQI
16th March 2025
43AQI
43AQI
17th March 2025
47AQI
47AQI
18th March 2025
48AQI
48AQI
19th March 2025
44AQI
44AQI
20th March 2025
42AQI
42AQI
21st March 2025
43AQI
43AQI
22nd March 2025
44AQI
44AQI
23rd March 2025
44AQI
44AQI
24th March 2025
43AQI
43AQI
25th March 2025
52AQI
52AQI
26th March 2025
52AQI
52AQI
27th March 2025
55AQI
55AQI
28th March 2025
58AQI
58AQI
29th March 2025
54AQI
54AQI
30th March 2025
54AQI
54AQI
31st March 2025
50AQI
50AQI
1st April 2025
56AQI
56AQI
2nd April 2025
54AQI
54AQI
3rd April 2025
52AQI
52AQI
4th April 2025
45AQI
45AQI
5th April 2025
44AQI
44AQI
6th April 2025
42AQI
42AQI
7th April 2025
37AQI
37AQI
8th April 2025
41AQI
41AQI
9th April 2025
48AQI
48AQI
10th April 2025
46AQI
46AQI
11th April 2025
38AQI
38AQI
12th April 2025
42AQI
42AQI
13th April 2025
46AQI
46AQI
14th April 2025
38AQI
38AQI
15th April 2025
36AQI
36AQI
16th April 2025
42AQI
42AQI
17th April 2025
44AQI
44AQI
18th April 2025
43AQI
43AQI
19th April 2025
40AQI
40AQI
20th April 2025
38AQI
38AQI
21st April 2025
38AQI
38AQI
22nd April 2025
35AQI
35AQI
23rd April 2025
35AQI
35AQI
24th April 2025
40AQI
40AQI
25th April 2025
36AQI
36AQI
26th April 2025
40AQI
40AQI
27th April 2025
44AQI
44AQI
28th April 2025
48AQI
48AQI
29th April 2025
39AQI
39AQI
30th April 2025
41AQI
41AQI
1st May 2025
31AQI
31AQI
2nd May 2025
31AQI
31AQI
3rd May 2025
36AQI
36AQI
4th May 2025
34AQI
34AQI
5th May 2025
37AQI
37AQI
6th May 2025
36AQI
36AQI
7th May 2025
37AQI
37AQI
8th May 2025
33AQI
33AQI
9th May 2025
27AQI
27AQI
10th May 2025
28AQI
28AQI
11th May 2025
23AQI
23AQI
12th May 2025
23AQI
23AQI
13th May 2025
22AQI
22AQI
14th May 2025
32AQI
32AQI
15th May 2025
39AQI
39AQI
16th May 2025
44AQI
44AQI
17th May 2025
42AQI
42AQI
18th May 2025
34AQI
34AQI
19th May 2025
28AQI
28AQI
20th May 2025
42AQI
42AQI
21st May 2025
35AQI
35AQI
22nd May 2025
33AQI
33AQI
23rd May 2025
24AQI
24AQI
24th May 2025
42AQI
42AQI
25th May 2025
38AQI
38AQI
26th May 2025
31AQI
31AQI
27th May 2025
27AQI
27AQI
28th May 2025
28AQI
28AQI
29th May 2025
32AQI
32AQI
30th May 2025
36AQI
36AQI
31st May 2025
42AQI
42AQI
1st June 2025
44AQI
44AQI
2nd June 2025
43AQI
43AQI
3rd June 2025
53AQI
53AQI
4th June 2025
41AQI
41AQI
5th June 2025
36AQI
36AQI
6th June 2025
24AQI
24AQI
7th June 2025
32AQI
32AQI
8th June 2025
41AQI
41AQI
9th June 2025
37AQI
37AQI
10th June 2025
32AQI
32AQI
11th June 2025
36AQI
36AQI
12th June 2025
31AQI
31AQI
13th June 2025
31AQI
31AQI
14th June 2025
33AQI
33AQI
15th June 2025
36AQI
36AQI
16th June 2025
28AQI
28AQI
17th June 2025
34AQI
34AQI
18th June 2025
38AQI
38AQI
19th June 2025
38AQI
38AQI
20th June 2025
38AQI
38AQI
21st June 2025
49AQI
49AQI
22nd June 2025
46AQI
46AQI
23rd June 2025
31AQI
31AQI
24th June 2025
31AQI
31AQI
25th June 2025
34AQI
34AQI
26th June 2025
51AQI
51AQI
27th June 2025
46AQI
46AQI
28th June 2025
50AQI
50AQI
29th June 2025
41AQI
41AQI
30th June 2025
31AQI
31AQI
1st July 2025
32AQI
32AQI
2nd July 2025
44AQI
44AQI
3rd July 2025
52AQI
52AQI
4th July 2025
54AQI
54AQI
5th July 2025
47AQI
47AQI
6th July 2025
43AQI
43AQI
7th July 2025
50AQI
50AQI
8th July 2025
53AQI
53AQI
9th July 2025
42AQI
42AQI
10th July 2025
42AQI
42AQI
11th July 2025
61AQI
61AQI
12th July 2025
53AQI
53AQI
13th July 2025
50AQI
50AQI
14th July 2025
52AQI
52AQI
15th July 2025
46AQI
46AQI
16th July 2025
58AQI
58AQI
17th July 2025
54AQI
54AQI
18th July 2025
36AQI
36AQI
19th July 2025
41AQI
41AQI
20th July 2025
54AQI
54AQI
21st July 2025
60AQI
60AQI
22nd July 2025
56AQI
56AQI
23rd July 2025
40AQI
40AQI
24th July 2025
32AQI
32AQI
25th July 2025
37AQI
37AQI
26th July 2025
43AQI
43AQI
27th July 2025
36AQI
36AQI
28th July 2025
31AQI
31AQI
29th July 2025
24AQI
24AQI
30th July 2025
37AQI
37AQI
31st July 2025
46AQI
46AQI
1st August 2025
54AQI
54AQI
2nd August 2025
55AQI
55AQI
3rd August 2025
67AQI
67AQI
4th August 2025
70AQI
70AQI
43AQI
49AQI
48AQI
42AQI
33AQI
38AQI
45AQI
62AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202543AQI
30
1
18
10
24
7
27
3
31
28
2
20
11
4
178
38
Highest AQI recorded in
August62AQI
Lowest AQI recorded in
May33AQI
202442AQI
11
6
1
2
11
1
15
15
12
19
24
7
3
13
28
2
27
4
147
54
Highest AQI recorded in
July51AQI
Lowest AQI recorded in
April13AQI
202319AQI
31
28
31
29
1
21
10
19
11
30
1
26
5
30
31
29
30
335
28
Highest AQI recorded in
June39AQI
Lowest AQI recorded in
January4AQI
20224AQI
4
30
30
64
Highest AQI recorded in
November4AQI
Lowest AQI recorded in
October2AQI
Most & Least Polluted Years Over the Last 4 Years
Most Polluted Year Recorded
2025(Avg.)
43AQILeast Polluted Year Recorded
2022(Avg.)
4AQIUnidade de Saude Costa e Silva Porto Ar Alegre's annual 2025 AQI (43) shows an average percentage change of 380.9% (worsened AQI) compared to previous years: 2022 (4), 2023 (19), 2024 (42).
