Análise Histórica da Qualidade do Ar de Portland, Maine, United States
Mergulhe em detalhes sobre a qualidade do ar com dados históricos, padrões mensais e tendências anuais ao seu alcance!
Bom
050
Moderado
100
Ruim
150
Não saudável
200
Severo
300
Perigoso
301+
Análise da Qualidade do Ar de Outubro
Portland, Maine, United States
2021
2022
2023
2024
2025
AQI
.
Dias
Tendências do AQI: Mais Altos e Mais Baixos
AQI mais alto registrado em
1st Oct 2023
85AQIAQI mais baixo registrado em
26th Oct 2022
8AQIAnálise do Mesmo Dia (21st October ):
Neste dia, o AQI ao longo dos 5 anos variou significativamente: 2025 classificado como o mais baixo AQI em 14 de Bom qualidade do ar, mostrando melhoria em relação a 2024, 2023, 2022 e 2021 no mesmo dia.
Baixe os dados anuais de 2024
Relatório Mundial de Qualidade do Ar
Tendência de AQI Dia & Noite: 20th Oct - 21st Oct 2025
Portland, Maine, United States
AQI
Dia
Noite
.
6 AM20th Oct 2025
6 PM
5 AM21st Oct 2025
Durante o dia
Média do Tempo Mais Alto
3PM20th Oct
42AQI
Média do Tempo Mais Baixo
7AM20th Oct
15AQI
Durante a noite
Média do Tempo Mais Alto
1AM21st Oct
37AQI
Média do Tempo Mais Baixo
6AM20th Oct
16AQI
Nas últimas 24 horas,
AQI de Portland atingiu seu ponto mais alto de 42 às 3 PM durante o Dia, enquanto o ponto mais baixo, 15, foi registrado às 7 AM durante o Dia entre 20th Oct e 21st Oct 2025.
Tendência de AQI Dia & Noite : Sep - Oct 2025
Portland, Maine, United States
SepOct
21st - 22nd22nd - 23rd23rd - 24th24th - 25th25th - 26th26th - 27th27th - 28th28th - 29th29th - 30th30th - 01st01st - 02nd02nd - 03rd03rd - 04th04th - 05th05th - 06th06th - 07th07th - 08th08th - 09th09th - 10th10th - 11th11th - 12th12th - 13th13th - 14th14th - 15th15th - 16th16th - 17th17th - 18th18th - 19th19th - 20th20th - 21st21st
Dia
Noite
21st Sep 2025216 AMAQI
21st Sep 2025237 AMAQI
21st Sep 2025238 AMAQI
21st Sep 2025229 AMAQI
21st Sep 20252210 AMAQI
21st Sep 20252111 AMAQI
21st Sep 20252012 PMAQI
21st Sep 2025201 PMAQI
21st Sep 2025212 PMAQI
21st Sep 2025223 PMAQI
21st Sep 2025214 PMAQI
21st Sep 2025205 PMAQI
21st Sep 2025206 PMAQI
21st Sep 2025227 PMAQI
21st Sep 2025228 PMAQI
21st Sep 2025209 PMAQI
21st Sep 20252110 PMAQI
21st Sep 20252111 PMAQI
22nd Sep 20252112 AMAQI
22nd Sep 2025211 AMAQI
22nd Sep 2025212 AMAQI
22nd Sep 2025213 AMAQI
22nd Sep 2025194 AMAQI
22nd Sep 2025195 AMAQI
--°C/°C
22nd Sep 2025216 AMAQI
22nd Sep 2025207 AMAQI
22nd Sep 2025228 AMAQI
22nd Sep 2025229 AMAQI
22nd Sep 20252310 AMAQI
22nd Sep 20252611 AMAQI
22nd Sep 20252612 PMAQI
22nd Sep 2025281 PMAQI
22nd Sep 2025262 PMAQI
22nd Sep 2025263 PMAQI
22nd Sep 2025244 PMAQI
22nd Sep 2025235 PMAQI
22nd Sep 2025226 PMAQI
22nd Sep 2025217 PMAQI
22nd Sep 2025218 PMAQI
22nd Sep 2025219 PMAQI
22nd Sep 20252110 PMAQI
22nd Sep 20252211 PMAQI
23rd Sep 20252312 AMAQI
23rd Sep 2025221 AMAQI
23rd Sep 2025232 AMAQI
23rd Sep 2025233 AMAQI
23rd Sep 2025244 AMAQI
23rd Sep 2025255 AMAQI
15°C9/20°C
23rd Sep 2025266 AMAQI
23rd Sep 2025267 AMAQI
23rd Sep 2025288 AMAQI
23rd Sep 2025299 AMAQI
23rd Sep 20252910 AMAQI
23rd Sep 20253111 AMAQI
23rd Sep 20253412 PMAQI
23rd Sep 2025401 PMAQI
23rd Sep 2025412 PMAQI
23rd Sep 2025373 PMAQI
23rd Sep 2025374 PMAQI
23rd Sep 2025405 PMAQI
23rd Sep 2025396 PMAQI
23rd Sep 2025327 PMAQI
23rd Sep 2025328 PMAQI
23rd Sep 2025369 PMAQI
23rd Sep 20253610 PMAQI
23rd Sep 20253611 PMAQI
24th Sep 20253612 AMAQI
24th Sep 2025401 AMAQI
24th Sep 2025402 AMAQI
24th Sep 2025433 AMAQI
24th Sep 2025484 AMAQI
24th Sep 2025485 AMAQI
18°C14/23°C
24th Sep 2025486 AMAQI
24th Sep 2025477 AMAQI
24th Sep 2025478 AMAQI
24th Sep 2025499 AMAQI
24th Sep 20254910 AMAQI
24th Sep 20254911 AMAQI
24th Sep 20254712 PMAQI
24th Sep 2025471 PMAQI
24th Sep 2025472 PMAQI
24th Sep 2025473 PMAQI
24th Sep 2025474 PMAQI
24th Sep 2025485 PMAQI
24th Sep 2025476 PMAQI
24th Sep 2025477 PMAQI
24th Sep 2025468 PMAQI
24th Sep 2025429 PMAQI
24th Sep 20254210 PMAQI
24th Sep 20254211 PMAQI
25th Sep 20253212 AMAQI
25th Sep 2025241 AMAQI
25th Sep 2025212 AMAQI
25th Sep 2025203 AMAQI
25th Sep 2025204 AMAQI
25th Sep 2025205 AMAQI
16°C15/17°C
25th Sep 2025206 AMAQI
25th Sep 2025217 AMAQI
25th Sep 2025208 AMAQI
25th Sep 2025199 AMAQI
25th Sep 20252010 AMAQI
25th Sep 20252011 AMAQI
25th Sep 20252112 PMAQI
25th Sep 2025221 PMAQI
25th Sep 2025232 PMAQI
25th Sep 2025223 PMAQI
25th Sep 2025244 PMAQI
25th Sep 2025265 PMAQI
25th Sep 2025286 PMAQI
25th Sep 2025297 PMAQI
25th Sep 2025278 PMAQI
25th Sep 2025259 PMAQI
25th Sep 20252310 PMAQI
25th Sep 20252311 PMAQI
26th Sep 20252212 AMAQI
26th Sep 2025211 AMAQI
26th Sep 2025202 AMAQI
26th Sep 2025213 AMAQI
26th Sep 2025204 AMAQI
26th Sep 2025215 AMAQI
17°C15/18°C
26th Sep 2025206 AMAQI
26th Sep 2025217 AMAQI
26th Sep 2025218 AMAQI
26th Sep 2025219 AMAQI
26th Sep 20252210 AMAQI
26th Sep 20252511 AMAQI
26th Sep 20252712 PMAQI
26th Sep 2025271 PMAQI
26th Sep 2025262 PMAQI
26th Sep 2025263 PMAQI
26th Sep 2025274 PMAQI
26th Sep 2025285 PMAQI
26th Sep 2025296 PMAQI
26th Sep 2025297 PMAQI
26th Sep 2025298 PMAQI
26th Sep 2025289 PMAQI
26th Sep 20252610 PMAQI
26th Sep 20252611 PMAQI
27th Sep 20253212 AMAQI
27th Sep 2025321 AMAQI
27th Sep 2025332 AMAQI
27th Sep 2025353 AMAQI
27th Sep 2025304 AMAQI
27th Sep 2025315 AMAQI
20°C17/24°C
27th Sep 2025306 AMAQI
27th Sep 2025287 AMAQI
27th Sep 2025298 AMAQI
27th Sep 2025279 AMAQI
27th Sep 20252610 AMAQI
27th Sep 20252611 AMAQI
27th Sep 20252612 PMAQI
27th Sep 2025271 PMAQI
27th Sep 2025242 PMAQI
27th Sep 2025263 PMAQI
27th Sep 2025244 PMAQI
27th Sep 2025225 PMAQI
27th Sep 2025206 PMAQI
27th Sep 2025197 PMAQI
27th Sep 2025188 PMAQI
27th Sep 2025189 PMAQI
27th Sep 20251910 PMAQI
27th Sep 20252211 PMAQI
28th Sep 20252912 AMAQI
28th Sep 2025371 AMAQI
28th Sep 2025382 AMAQI
28th Sep 2025373 AMAQI
28th Sep 2025374 AMAQI
28th Sep 2025355 AMAQI
17°C14/20°C
28th Sep 2025356 AMAQI
28th Sep 2025357 AMAQI
28th Sep 2025358 AMAQI
28th Sep 2025319 AMAQI
28th Sep 20253110 AMAQI
28th Sep 20252411 AMAQI
28th Sep 20252112 PMAQI
28th Sep 2025281 PMAQI
28th Sep 2025242 PMAQI
28th Sep 2025243 PMAQI
28th Sep 2025274 PMAQI
28th Sep 2025335 PMAQI
28th Sep 2025376 PMAQI
28th Sep 2025467 PMAQI
28th Sep 2025348 PMAQI
28th Sep 2025349 PMAQI
28th Sep 20253510 PMAQI
28th Sep 20253811 PMAQI
29th Sep 20253512 AMAQI
29th Sep 2025311 AMAQI
29th Sep 2025312 AMAQI
29th Sep 2025293 AMAQI
29th Sep 2025274 AMAQI
29th Sep 2025265 AMAQI
20°C16/28°C
29th Sep 2025246 AMAQI
29th Sep 2025247 AMAQI
29th Sep 2025278 AMAQI
29th Sep 2025319 AMAQI
29th Sep 20253110 AMAQI
29th Sep 20253011 AMAQI
29th Sep 20253012 PMAQI
29th Sep 2025311 PMAQI
29th Sep 2025382 PMAQI
29th Sep 2025433 PMAQI
29th Sep 2025474 PMAQI
29th Sep 2025435 PMAQI
29th Sep 2025376 PMAQI
29th Sep 2025347 PMAQI
29th Sep 2025278 PMAQI
29th Sep 2025249 PMAQI
29th Sep 20252510 PMAQI
29th Sep 20252811 PMAQI
30th Sep 20252912 AMAQI
30th Sep 2025301 AMAQI
30th Sep 2025282 AMAQI
30th Sep 2025303 AMAQI
30th Sep 2025294 AMAQI
30th Sep 2025285 AMAQI
19°C13/26°C
30th Sep 2025316 AMAQI
30th Sep 2025237 AMAQI
30th Sep 2025268 AMAQI
30th Sep 2025259 AMAQI
30th Sep 20252410 AMAQI
30th Sep 20252311 AMAQI
30th Sep 20252112 PMAQI
30th Sep 2025201 PMAQI
30th Sep 2025202 PMAQI
30th Sep 2025193 PMAQI
30th Sep 2025204 PMAQI
30th Sep 2025195 PMAQI
30th Sep 2025186 PMAQI
30th Sep 2025197 PMAQI
30th Sep 2025228 PMAQI
30th Sep 2025249 PMAQI
30th Sep 20252010 PMAQI
30th Sep 20252211 PMAQI
1st Oct 20252112 AMAQI
1st Oct 2025181 AMAQI
1st Oct 2025182 AMAQI
1st Oct 2025163 AMAQI
1st Oct 2025124 AMAQI
1st Oct 2025115 AMAQI
17°C15/22°C
1st Oct 2025136 AMAQI
1st Oct 2025157 AMAQI
1st Oct 2025168 AMAQI
1st Oct 2025249 AMAQI
1st Oct 20252410 AMAQI
1st Oct 20252211 AMAQI
1st Oct 20252012 PMAQI
1st Oct 2025211 PMAQI
1st Oct 2025212 PMAQI
1st Oct 2025233 PMAQI
1st Oct 2025254 PMAQI
1st Oct 2025265 PMAQI
1st Oct 2025246 PMAQI
1st Oct 2025197 PMAQI
1st Oct 2025178 PMAQI
1st Oct 2025179 PMAQI
1st Oct 20251810 PMAQI
1st Oct 20251911 PMAQI
2nd Oct 20251712 AMAQI
2nd Oct 2025191 AMAQI
2nd Oct 2025162 AMAQI
2nd Oct 2025173 AMAQI
2nd Oct 2025164 AMAQI
2nd Oct 2025165 AMAQI
14°C10/19°C
2nd Oct 2025176 AMAQI
2nd Oct 2025187 AMAQI
2nd Oct 2025228 AMAQI
2nd Oct 2025219 AMAQI
2nd Oct 20251310 AMAQI
2nd Oct 20251411 AMAQI
2nd Oct 20251512 PMAQI
2nd Oct 2025151 PMAQI
2nd Oct 2025142 PMAQI
2nd Oct 2025123 PMAQI
2nd Oct 2025174 PMAQI
2nd Oct 2025145 PMAQI
2nd Oct 2025126 PMAQI
2nd Oct 2025137 PMAQI
2nd Oct 2025138 PMAQI
2nd Oct 2025159 PMAQI
2nd Oct 20251810 PMAQI
2nd Oct 20252111 PMAQI
3rd Oct 20252912 AMAQI
3rd Oct 2025351 AMAQI
3rd Oct 2025382 AMAQI
3rd Oct 2025403 AMAQI
3rd Oct 2025354 AMAQI
3rd Oct 2025425 AMAQI
12°C8/18°C
3rd Oct 2025406 AMAQI
3rd Oct 2025397 AMAQI
3rd Oct 2025428 AMAQI
3rd Oct 2025409 AMAQI
3rd Oct 20253910 AMAQI
3rd Oct 20254011 AMAQI
3rd Oct 20254212 PMAQI
3rd Oct 2025421 PMAQI
3rd Oct 2025422 PMAQI
3rd Oct 2025423 PMAQI
3rd Oct 2025434 PMAQI
3rd Oct 2025445 PMAQI
3rd Oct 2025426 PMAQI
3rd Oct 2025327 PMAQI
3rd Oct 2025318 PMAQI
3rd Oct 2025339 PMAQI
3rd Oct 20253410 PMAQI
3rd Oct 20254611 PMAQI
4th Oct 20254812 AMAQI
4th Oct 2025501 AMAQI
4th Oct 2025512 AMAQI
4th Oct 2025523 AMAQI
4th Oct 2025534 AMAQI
4th Oct 2025485 AMAQI
14°C7/22°C
4th Oct 2025456 AMAQI
4th Oct 2025447 AMAQI
4th Oct 2025378 AMAQI
4th Oct 2025319 AMAQI
4th Oct 20253310 AMAQI
4th Oct 20251911 AMAQI
4th Oct 20252312 PMAQI
4th Oct 2025351 PMAQI
4th Oct 2025262 PMAQI
4th Oct 2025233 PMAQI
4th Oct 2025254 PMAQI
4th Oct 2025225 PMAQI
4th Oct 2025226 PMAQI
4th Oct 2025237 PMAQI
4th Oct 2025218 PMAQI
4th Oct 2025279 PMAQI
4th Oct 20253610 PMAQI
4th Oct 20254711 PMAQI
5th Oct 20255312 AMAQI
5th Oct 2025471 AMAQI
5th Oct 2025462 AMAQI
5th Oct 2025423 AMAQI
5th Oct 2025424 AMAQI
5th Oct 2025325 AMAQI
18°C10/27°C
5th Oct 2025306 AMAQI
5th Oct 2025337 AMAQI
5th Oct 2025418 AMAQI
5th Oct 2025479 AMAQI
5th Oct 20254710 AMAQI
5th Oct 20254411 AMAQI
5th Oct 20253612 PMAQI
5th Oct 2025401 PMAQI
5th Oct 2025422 PMAQI
5th Oct 2025403 PMAQI
5th Oct 2025254 PMAQI
5th Oct 2025265 PMAQI
5th Oct 2025236 PMAQI
5th Oct 2025237 PMAQI
5th Oct 2025268 PMAQI
5th Oct 2025339 PMAQI
5th Oct 20253210 PMAQI
5th Oct 20253511 PMAQI
6th Oct 20254312 AMAQI
6th Oct 2025451 AMAQI
6th Oct 2025462 AMAQI
6th Oct 2025463 AMAQI
6th Oct 2025454 AMAQI
6th Oct 2025445 AMAQI
17°C12/23°C
6th Oct 2025436 AMAQI
6th Oct 2025457 AMAQI
6th Oct 2025448 AMAQI
6th Oct 2025459 AMAQI
6th Oct 20255010 AMAQI
6th Oct 20255611 AMAQI
6th Oct 20255512 PMAQI
6th Oct 2025541 PMAQI
7th Oct 2025384 AMAQI
7th Oct 2025375 AMAQI
19°C14/25°C
7th Oct 2025476 AMAQI
7th Oct 2025507 AMAQI
7th Oct 2025508 AMAQI
7th Oct 2025489 AMAQI
7th Oct 20255110 AMAQI
7th Oct 20255311 AMAQI
7th Oct 20256012 PMAQI
7th Oct 2025571 PMAQI
7th Oct 2025372 PMAQI
7th Oct 2025303 PMAQI
7th Oct 2025274 PMAQI
7th Oct 2025215 PMAQI
7th Oct 2025226 PMAQI
7th Oct 2025237 PMAQI
7th Oct 2025298 PMAQI
7th Oct 2025389 PMAQI
7th Oct 20254210 PMAQI
7th Oct 20254611 PMAQI
8th Oct 20254312 AMAQI
8th Oct 2025441 AMAQI
8th Oct 2025392 AMAQI
8th Oct 2025723 AMAQI
8th Oct 2025954 AMAQI
8th Oct 2025905 AMAQI
19°C15/23°C
8th Oct 2025556 AMAQI
8th Oct 2025557 AMAQI
8th Oct 2025488 AMAQI
8th Oct 2025469 AMAQI
8th Oct 20254510 AMAQI
8th Oct 20253811 AMAQI
8th Oct 20253512 PMAQI
8th Oct 2025381 PMAQI
8th Oct 2025292 PMAQI
8th Oct 2025203 PMAQI
8th Oct 2025254 PMAQI
8th Oct 2025195 PMAQI
8th Oct 2025246 PMAQI
8th Oct 2025247 PMAQI
8th Oct 2025238 PMAQI
8th Oct 2025259 PMAQI
8th Oct 20253710 PMAQI
8th Oct 20254111 PMAQI
9th Oct 20254012 AMAQI
9th Oct 2025421 AMAQI
9th Oct 2025472 AMAQI
9th Oct 2025443 AMAQI
9th Oct 2025444 AMAQI
9th Oct 2025435 AMAQI
16°C10/18°C
9th Oct 2025436 AMAQI
9th Oct 2025397 AMAQI
9th Oct 2025408 AMAQI
9th Oct 2025409 AMAQI
9th Oct 20254110 AMAQI
9th Oct 20254311 AMAQI
9th Oct 20254512 PMAQI
9th Oct 2025471 PMAQI
9th Oct 2025442 PMAQI
9th Oct 2025463 PMAQI
9th Oct 2025444 PMAQI
9th Oct 2025255 PMAQI
9th Oct 2025176 PMAQI
9th Oct 2025137 PMAQI
9th Oct 2025148 PMAQI
9th Oct 2025189 PMAQI
9th Oct 20252010 PMAQI
9th Oct 20252511 PMAQI
10th Oct 20253212 AMAQI
10th Oct 2025321 AMAQI
10th Oct 2025372 AMAQI
10th Oct 2025373 AMAQI
10th Oct 2025394 AMAQI
10th Oct 2025365 AMAQI
10°C6/16°C
10th Oct 2025346 AMAQI
10th Oct 2025377 AMAQI
10th Oct 2025378 AMAQI
10th Oct 2025429 AMAQI
10th Oct 20254210 AMAQI
10th Oct 20254711 AMAQI
10th Oct 20254412 PMAQI
10th Oct 2025441 PMAQI
10th Oct 2025412 PMAQI
10th Oct 2025383 PMAQI
10th Oct 2025374 PMAQI
10th Oct 2025395 PMAQI
10th Oct 2025186 PMAQI
10th Oct 2025177 PMAQI
10th Oct 2025198 PMAQI
10th Oct 2025319 PMAQI
10th Oct 20254110 PMAQI
10th Oct 20253911 PMAQI
11th Oct 20254212 AMAQI
11th Oct 2025261 AMAQI
11th Oct 2025292 AMAQI
11th Oct 2025313 AMAQI
11th Oct 2025394 AMAQI
11th Oct 2025385 AMAQI
10°C3/16°C
11th Oct 2025256 AMAQI
11th Oct 2025247 AMAQI
11th Oct 2025238 AMAQI
11th Oct 2025259 AMAQI
11th Oct 20253110 AMAQI
11th Oct 20253211 AMAQI
11th Oct 20253112 PMAQI
11th Oct 2025301 PMAQI
11th Oct 2025232 PMAQI
11th Oct 2025233 PMAQI
11th Oct 2025244 PMAQI
11th Oct 2025305 PMAQI
11th Oct 2025296 PMAQI
11th Oct 2025347 PMAQI
11th Oct 2025268 PMAQI
11th Oct 2025209 PMAQI
11th Oct 20252010 PMAQI
11th Oct 20252311 PMAQI
12th Oct 20253312 AMAQI
12th Oct 2025421 AMAQI
12th Oct 2025412 AMAQI
12th Oct 2025423 AMAQI
12th Oct 2025334 AMAQI
12th Oct 2025285 AMAQI
12°C7/17°C
12th Oct 2025196 AMAQI
12th Oct 2025297 AMAQI
12th Oct 2025218 AMAQI
12th Oct 2025239 AMAQI
12th Oct 20253310 AMAQI
12th Oct 20253011 AMAQI
12th Oct 20253312 PMAQI
12th Oct 2025381 PMAQI
12th Oct 2025232 PMAQI
12th Oct 2025213 PMAQI
12th Oct 2025344 PMAQI
12th Oct 2025225 PMAQI
12th Oct 2025276 PMAQI
12th Oct 2025247 PMAQI
12th Oct 2025198 PMAQI
12th Oct 2025329 PMAQI
12th Oct 20254310 PMAQI
12th Oct 20255011 PMAQI
13th Oct 20254712 AMAQI
13th Oct 2025421 AMAQI
13th Oct 2025282 AMAQI
13th Oct 2025193 AMAQI
13th Oct 2025174 AMAQI
13th Oct 2025185 AMAQI
12°C9/15°C
13th Oct 2025156 AMAQI
13th Oct 2025197 AMAQI
13th Oct 2025248 AMAQI
13th Oct 2025359 AMAQI
13th Oct 20254010 AMAQI
13th Oct 20254411 AMAQI
13th Oct 20254312 PMAQI
13th Oct 2025421 PMAQI
13th Oct 2025432 PMAQI
13th Oct 2025363 PMAQI
13th Oct 2025354 PMAQI
13th Oct 2025325 PMAQI
13th Oct 2025316 PMAQI
13th Oct 2025277 PMAQI
13th Oct 2025198 PMAQI
13th Oct 2025199 PMAQI
13th Oct 20252010 PMAQI
13th Oct 20252311 PMAQI
14th Oct 20252712 AMAQI
14th Oct 2025291 AMAQI
14th Oct 2025282 AMAQI
14th Oct 2025203 AMAQI
14th Oct 2025194 AMAQI
14th Oct 2025235 AMAQI
13°C11/15°C
14th Oct 2025196 AMAQI
14th Oct 2025167 AMAQI
14th Oct 2025168 AMAQI
14th Oct 2025189 AMAQI
14th Oct 20252110 AMAQI
14th Oct 20252411 AMAQI
14th Oct 20253212 PMAQI
14th Oct 2025261 PMAQI
14th Oct 2025202 PMAQI
14th Oct 2025213 PMAQI
14th Oct 2025244 PMAQI
14th Oct 2025245 PMAQI
14th Oct 2025226 PMAQI
14th Oct 2025167 PMAQI
14th Oct 2025218 PMAQI
14th Oct 2025279 PMAQI
14th Oct 20251910 PMAQI
14th Oct 20251911 PMAQI
15th Oct 20251612 AMAQI
15th Oct 2025141 AMAQI
15th Oct 2025142 AMAQI
15th Oct 2025143 AMAQI
15th Oct 2025134 AMAQI
15th Oct 2025125 AMAQI
13°C10/17°C
15th Oct 2025216 AMAQI
15th Oct 2025317 AMAQI
15th Oct 2025388 AMAQI
15th Oct 2025419 AMAQI
15th Oct 20254110 AMAQI
15th Oct 20254011 AMAQI
15th Oct 20253912 PMAQI
15th Oct 2025321 PMAQI
15th Oct 2025272 PMAQI
15th Oct 2025223 PMAQI
15th Oct 2025184 PMAQI
15th Oct 2025185 PMAQI
15th Oct 2025196 PMAQI
15th Oct 2025197 PMAQI
15th Oct 2025198 PMAQI
15th Oct 2025219 PMAQI
15th Oct 20253610 PMAQI
15th Oct 20254211 PMAQI
16th Oct 20254412 AMAQI
16th Oct 2025521 AMAQI
16th Oct 2025532 AMAQI
16th Oct 2025513 AMAQI
16th Oct 2025484 AMAQI
16th Oct 2025495 AMAQI
13°C8/17°C
16th Oct 2025486 AMAQI
16th Oct 2025457 AMAQI
16th Oct 2025488 AMAQI
16th Oct 2025479 AMAQI
16th Oct 20254810 AMAQI
16th Oct 20254911 AMAQI
16th Oct 20255312 PMAQI
16th Oct 2025511 PMAQI
16th Oct 2025462 PMAQI
16th Oct 2025443 PMAQI
16th Oct 2025414 PMAQI
16th Oct 2025385 PMAQI
16th Oct 2025396 PMAQI
16th Oct 2025397 PMAQI
16th Oct 2025368 PMAQI
16th Oct 2025419 PMAQI
16th Oct 20254210 PMAQI
16th Oct 20254311 PMAQI
17th Oct 20254212 AMAQI
17th Oct 2025501 AMAQI
17th Oct 2025522 AMAQI
17th Oct 2025493 AMAQI
17th Oct 2025544 AMAQI
17th Oct 2025565 AMAQI
9°C7/12°C
17th Oct 2025576 AMAQI
17th Oct 2025557 AMAQI
17th Oct 2025508 AMAQI
17th Oct 2025509 AMAQI
17th Oct 20255010 AMAQI
17th Oct 20255311 AMAQI
17th Oct 20254912 PMAQI
17th Oct 2025521 PMAQI
17th Oct 2025522 PMAQI
17th Oct 2025513 PMAQI
17th Oct 2025534 PMAQI
17th Oct 2025455 PMAQI
17th Oct 2025386 PMAQI
17th Oct 2025357 PMAQI
17th Oct 2025258 PMAQI
17th Oct 2025449 PMAQI
17th Oct 20254910 PMAQI
17th Oct 20255511 PMAQI
18th Oct 20255812 AMAQI
18th Oct 2025571 AMAQI
18th Oct 2025522 AMAQI
18th Oct 2025503 AMAQI
18th Oct 2025454 AMAQI
18th Oct 2025415 AMAQI
12°C8/18°C
18th Oct 2025496 AMAQI
18th Oct 2025547 AMAQI
18th Oct 2025508 AMAQI
18th Oct 2025519 AMAQI
18th Oct 20255010 AMAQI
18th Oct 20255211 AMAQI
18th Oct 20255112 PMAQI
18th Oct 2025481 PMAQI
18th Oct 2025442 PMAQI
18th Oct 2025423 PMAQI
18th Oct 2025394 PMAQI
18th Oct 2025365 PMAQI
18th Oct 2025356 PMAQI
18th Oct 2025397 PMAQI
18th Oct 2025428 PMAQI
18th Oct 2025509 PMAQI
18th Oct 20255110 PMAQI
18th Oct 20255711 PMAQI
19th Oct 20256112 AMAQI
19th Oct 2025631 AMAQI
19th Oct 2025552 AMAQI
19th Oct 2025503 AMAQI
19th Oct 2025484 AMAQI
19th Oct 2025375 AMAQI
11°C7/16°C
19th Oct 2025296 AMAQI
19th Oct 2025257 AMAQI
19th Oct 2025228 AMAQI
19th Oct 2025289 AMAQI
19th Oct 20253010 AMAQI
19th Oct 20253211 AMAQI
19th Oct 20252612 PMAQI
19th Oct 2025241 PMAQI
19th Oct 2025252 PMAQI
19th Oct 2025243 PMAQI
19th Oct 2025244 PMAQI
19th Oct 2025195 PMAQI
19th Oct 2025226 PMAQI
19th Oct 2025227 PMAQI
19th Oct 2025208 PMAQI
19th Oct 2025189 PMAQI
19th Oct 20251510 PMAQI
19th Oct 20251511 PMAQI
20th Oct 20251612 AMAQI
20th Oct 2025161 AMAQI
20th Oct 2025162 AMAQI
20th Oct 2025163 AMAQI
20th Oct 2025164 AMAQI
20th Oct 2025155 AMAQI
12°C8/17°C
20th Oct 2025166 AMAQI
20th Oct 2025157 AMAQI
20th Oct 2025178 AMAQI
20th Oct 2025199 AMAQI
20th Oct 20252010 AMAQI
20th Oct 20252911 AMAQI
20th Oct 20252112 PMAQI
20th Oct 2025261 PMAQI
20th Oct 2025272 PMAQI
20th Oct 2025423 PMAQI
20th Oct 2025364 PMAQI
20th Oct 2025305 PMAQI
20th Oct 2025286 PMAQI
20th Oct 2025287 PMAQI
20th Oct 2025198 PMAQI
20th Oct 2025199 PMAQI
20th Oct 20252110 PMAQI
20th Oct 20251811 PMAQI
21st Oct 20253112 AMAQI
21st Oct 2025371 AMAQI
21st Oct 2025322 AMAQI
21st Oct 2025363 AMAQI
21st Oct 2025264 AMAQI
21st Oct 2025255 AMAQI
14°C12/15°C
21st Oct 2025336 AMAQI
6 AM21st Oct 2025377 AMAQI
21st Oct 2025428 AMAQI
21st Oct 2025439 AMAQI
21st Oct 20253910 AMAQI
21st Oct 20253411 AMAQI
21st Oct 20253312 PMAQI
12 PM21st Oct 2025371 PMAQI
21st Oct 2025392 PMAQI
21st Oct 2025393 PMAQI
21st Oct 2025334 PMAQI
21st Oct 2025235 PMAQI
21st Oct 2025176 PMAQI
6 PM21st Oct 2025217 PMAQI
21st Oct 2025188 PMAQI
12 AM
5 AM
13°C11/17°C
Durante o dia
Média do Tempo Mais Alto
9 AM - 1 PM
34AQI
5 horas / Dia
150 horas / Mês
Média do Tempo Mais Baixo
6 PM
27AQI
1 horas / Dia
30 horas / Mês
Nos últimos 30 dias, durante o dia, o maior AQI foi entre 9 AM a 1 PM (Média 34), enquanto o menor AQI foi entre 6 PM a 6 PM (Média 27).
Durante a noite
Média do Tempo Mais Alto
12 AM - 5 AM
34AQI
6 horas / Dia
180 horas / Mês
Média do Tempo Mais Baixo
8 PM
25AQI
1 horas / Dia
30 horas / Mês
Nos últimos 30 dias, durante a noite, o maior AQI foi entre 12 AM a 5 AM (Média 34), enquanto o menor AQI foi entre 8 PM a 8 PM (Média 25).
2025 Dias Vs Qualidade do Ar
Portland, Maine, United States
2025
93%
274
6%
19
0.3%
1
Número total de dias com diferentes categorias de AQI nos últimos 295 dias em 2025 (70 dias restantes)
Bom
274 DiasModerado
19 DiasRuim
1 DiasNão saudável
0 DiasSevero
0 DiasPerigoso
0 DiasDentro dos Limites de Qualidade do Ar Seguros da OMS: 93%
Nível de Risco à Saúde:
Muito Baixo
Em 2025, 93% de 295 dias estiveram dentro dos limites seguros de qualidade do ar da OMS. O risco de problemas de saúde é Muito Baixo, mas os impactos na saúde ainda não são claros.
Annual Air Quality Insights
Portland, Maine, United States
Níveis de AQI em 2025
AQI
PM2.5
PM10
CO
SO2
NO2
O3
Dom.Seg.Ter.Qua.Qui.Sex.Sáb.
Jan.
Fev.
Mar.
Abr.
Maio
Jun.
Jul.
Ago.
Set.
Out.
Nov.
Dez.
-1th undefined 2025
-1th undefined 2025
-1th undefined 2025
1st Janeiro 2025
24AQI
24AQI
2nd Janeiro 2025
20AQI
20AQI
3rd Janeiro 2025
19AQI
19AQI
4th Janeiro 2025
18AQI
18AQI
5th Janeiro 2025
19AQI
19AQI
6th Janeiro 2025
20AQI
20AQI
7th Janeiro 2025
19AQI
19AQI
8th Janeiro 2025
17AQI
17AQI
9th Janeiro 2025
18AQI
18AQI
10th Janeiro 2025
20AQI
20AQI
11th Janeiro 2025
25AQI
25AQI
12th Janeiro 2025
31AQI
31AQI
13th Janeiro 2025
41AQI
41AQI
14th Janeiro 2025
25AQI
25AQI
15th Janeiro 2025
22AQI
22AQI
16th Janeiro 2025
37AQI
37AQI
17th Janeiro 2025
43AQI
43AQI
18th Janeiro 2025
34AQI
34AQI
19th Janeiro 2025
22AQI
22AQI
20th Janeiro 2025
23AQI
23AQI
21st Janeiro 2025
36AQI
36AQI
22nd Janeiro 2025
50AQI
50AQI
23rd Janeiro 2025
47AQI
47AQI
24th Janeiro 2025
45AQI
45AQI
25th Janeiro 2025
39AQI
39AQI
26th Janeiro 2025
36AQI
36AQI
27th Janeiro 2025
22AQI
22AQI
28th Janeiro 2025
21AQI
21AQI
29th Janeiro 2025
26AQI
26AQI
30th Janeiro 2025
24AQI
24AQI
31st Janeiro 2025
31AQI
31AQI
1st Fevereiro 2025
21AQI
21AQI
2nd Fevereiro 2025
26AQI
26AQI
3rd Fevereiro 2025
33AQI
33AQI
4th Fevereiro 2025
23AQI
23AQI
5th Fevereiro 2025
27AQI
27AQI
6th Fevereiro 2025
38AQI
38AQI
7th Fevereiro 2025
27AQI
27AQI
8th Fevereiro 2025
26AQI
26AQI
9th Fevereiro 2025
23AQI
23AQI
10th Fevereiro 2025
30AQI
30AQI
11th Fevereiro 2025
40AQI
40AQI
12th Fevereiro 2025
29AQI
29AQI
13th Fevereiro 2025
23AQI
23AQI
14th Fevereiro 2025
22AQI
22AQI
15th Fevereiro 2025
22AQI
22AQI
16th Fevereiro 2025
20AQI
20AQI
17th Fevereiro 2025
19AQI
19AQI
18th Fevereiro 2025
19AQI
19AQI
19th Fevereiro 2025
25AQI
25AQI
20th Fevereiro 2025
26AQI
26AQI
21st Fevereiro 2025
20AQI
20AQI
22nd Fevereiro 2025
26AQI
26AQI
23rd Fevereiro 2025
30AQI
30AQI
24th Fevereiro 2025
43AQI
43AQI
25th Fevereiro 2025
44AQI
44AQI
26th Fevereiro 2025
32AQI
32AQI
27th Fevereiro 2025
29AQI
29AQI
28th Fevereiro 2025
21AQI
21AQI
1st Março 2025
27AQI
27AQI
2nd Março 2025
20AQI
20AQI
3rd Março 2025
28AQI
28AQI
4th Março 2025
37AQI
37AQI
5th Março 2025
33AQI
33AQI
6th Março 2025
20AQI
20AQI
7th Março 2025
18AQI
18AQI
8th Março 2025
20AQI
20AQI
9th Março 2025
20AQI
20AQI
10th Março 2025
23AQI
23AQI
11th Março 2025
28AQI
28AQI
12th Março 2025
21AQI
21AQI
13th Março 2025
22AQI
22AQI
14th Março 2025
29AQI
29AQI
15th Março 2025
24AQI
24AQI
16th Março 2025
28AQI
28AQI
17th Março 2025
21AQI
21AQI
18th Março 2025
23AQI
23AQI
19th Março 2025
24AQI
24AQI
20th Março 2025
15AQI
15AQI
21st Março 2025
14AQI
14AQI
22nd Março 2025
20AQI
20AQI
23rd Março 2025
17AQI
17AQI
24th Março 2025
20AQI
20AQI
25th Março 2025
23AQI
23AQI
26th Março 2025
23AQI
23AQI
27th Março 2025
20AQI
20AQI
28th Março 2025
20AQI
20AQI
29th Março 2025
18AQI
18AQI
30th Março 2025
26AQI
26AQI
31st Março 2025
23AQI
23AQI
1st Abril 2025
18AQI
18AQI
2nd Abril 2025
17AQI
17AQI
3rd Abril 2025
22AQI
22AQI
4th Abril 2025
23AQI
23AQI
5th Abril 2025
20AQI
20AQI
6th Abril 2025
13AQI
13AQI
7th Abril 2025
15AQI
15AQI
8th Abril 2025
15AQI
15AQI
9th Abril 2025
20AQI
20AQI
10th Abril 2025
21AQI
21AQI
11th Abril 2025
22AQI
22AQI
12th Abril 2025
17AQI
17AQI
13th Abril 2025
20AQI
20AQI
14th Abril 2025
17AQI
17AQI
15th Abril 2025
33AQI
33AQI
16th Abril 2025
18AQI
18AQI
17th Abril 2025
19AQI
19AQI
18th Abril 2025
24AQI
24AQI
19th Abril 2025
44AQI
44AQI
20th Abril 2025
17AQI
17AQI
21st Abril 2025
15AQI
15AQI
22nd Abril 2025
26AQI
26AQI
23rd Abril 2025
20AQI
20AQI
24th Abril 2025
18AQI
18AQI
25th Abril 2025
27AQI
27AQI
26th Abril 2025
25AQI
25AQI
27th Abril 2025
13AQI
13AQI
28th Abril 2025
17AQI
17AQI
29th Abril 2025
34AQI
34AQI
30th Abril 2025
21AQI
21AQI
1st Maio 2025
18AQI
18AQI
2nd Maio 2025
32AQI
32AQI
3rd Maio 2025
35AQI
35AQI
4th Maio 2025
24AQI
24AQI
5th Maio 2025
21AQI
21AQI
6th Maio 2025
18AQI
18AQI
7th Maio 2025
26AQI
26AQI
8th Maio 2025
26AQI
26AQI
9th Maio 2025
21AQI
21AQI
10th Maio 2025
13AQI
13AQI
11th Maio 2025
15AQI
15AQI
12th Maio 2025
20AQI
20AQI
13th Maio 2025
25AQI
25AQI
14th Maio 2025
28AQI
28AQI
15th Maio 2025
38AQI
38AQI
16th Maio 2025
34AQI
34AQI
17th Maio 2025
19AQI
19AQI
18th Maio 2025
15AQI
15AQI
19th Maio 2025
13AQI
13AQI
20th Maio 2025
12AQI
12AQI
21st Maio 2025
16AQI
16AQI
22nd Maio 2025
19AQI
19AQI
23rd Maio 2025
11AQI
11AQI
24th Maio 2025
11AQI
11AQI
25th Maio 2025
13AQI
13AQI
26th Maio 2025
16AQI
16AQI
27th Maio 2025
22AQI
22AQI
28th Maio 2025
29AQI
29AQI
29th Maio 2025
21AQI
21AQI
30th Maio 2025
24AQI
24AQI
31st Maio 2025
23AQI
23AQI
1st Junho 2025
20AQI
20AQI
2nd Junho 2025
20AQI
20AQI
3rd Junho 2025
22AQI
22AQI
4th Junho 2025
42AQI
42AQI
5th Junho 2025
62AQI
62AQI
6th Junho 2025
58AQI
58AQI
7th Junho 2025
52AQI
52AQI
8th Junho 2025
79AQI
79AQI
9th Junho 2025
78AQI
78AQI
10th Junho 2025
37AQI
37AQI
11th Junho 2025
43AQI
43AQI
12th Junho 2025
65AQI
65AQI
13th Junho 2025
38AQI
38AQI
14th Junho 2025
35AQI
35AQI
15th Junho 2025
32AQI
32AQI
16th Junho 2025
29AQI
29AQI
17th Junho 2025
25AQI
25AQI
18th Junho 2025
22AQI
22AQI
19th Junho 2025
32AQI
32AQI
20th Junho 2025
34AQI
34AQI
21st Junho 2025
30AQI
30AQI
22nd Junho 2025
36AQI
36AQI
23rd Junho 2025
48AQI
48AQI
24th Junho 2025
55AQI
55AQI
25th Junho 2025
51AQI
51AQI
26th Junho 2025
31AQI
31AQI
27th Junho 2025
25AQI
25AQI
28th Junho 2025
20AQI
20AQI
29th Junho 2025
25AQI
25AQI
30th Junho 2025
28AQI
28AQI
1st Julho 2025
38AQI
38AQI
2nd Julho 2025
35AQI
35AQI
3rd Julho 2025
46AQI
46AQI
4th Julho 2025
39AQI
39AQI
5th Julho 2025
33AQI
33AQI
6th Julho 2025
46AQI
46AQI
7th Julho 2025
54AQI
54AQI
8th Julho 2025
38AQI
38AQI
9th Julho 2025
29AQI
29AQI
10th Julho 2025
26AQI
26AQI
11th Julho 2025
22AQI
22AQI
12th Julho 2025
23AQI
23AQI
13th Julho 2025
19AQI
19AQI
14th Julho 2025
21AQI
21AQI
15th Julho 2025
32AQI
32AQI
16th Julho 2025
40AQI
40AQI
17th Julho 2025
36AQI
36AQI
18th Julho 2025
18AQI
18AQI
19th Julho 2025
27AQI
27AQI
20th Julho 2025
23AQI
23AQI
21st Julho 2025
26AQI
26AQI
22nd Julho 2025
15AQI
15AQI
23rd Julho 2025
24AQI
24AQI
24th Julho 2025
34AQI
34AQI
25th Julho 2025
49AQI
49AQI
26th Julho 2025
111AQI
111AQI
27th Julho 2025
77AQI
77AQI
28th Julho 2025
59AQI
59AQI
29th Julho 2025
58AQI
58AQI
30th Julho 2025
48AQI
48AQI
31st Julho 2025
70AQI
70AQI
1st Agosto 2025
49AQI
49AQI
2nd Agosto 2025
25AQI
25AQI
3rd Agosto 2025
54AQI
54AQI
4th Agosto 2025
82AQI
82AQI
5th Agosto 2025
72AQI
72AQI
6th Agosto 2025
50AQI
50AQI
7th Agosto 2025
64AQI
64AQI
8th Agosto 2025
34AQI
34AQI
9th Agosto 2025
31AQI
31AQI
10th Agosto 2025
34AQI
34AQI
11th Agosto 2025
49AQI
49AQI
12th Agosto 2025
62AQI
62AQI
13th Agosto 2025
61AQI
61AQI
14th Agosto 2025
48AQI
48AQI
15th Agosto 2025
34AQI
34AQI
16th Agosto 2025
32AQI
32AQI
17th Agosto 2025
38AQI
38AQI
18th Agosto 2025
18AQI
18AQI
19th Agosto 2025
17AQI
17AQI
20th Agosto 2025
19AQI
19AQI
21st Agosto 2025
17AQI
17AQI
22nd Agosto 2025
28AQI
28AQI
23rd Agosto 2025
48AQI
48AQI
24th Agosto 2025
39AQI
39AQI
25th Agosto 2025
25AQI
25AQI
26th Agosto 2025
18AQI
18AQI
27th Agosto 2025
17AQI
17AQI
28th Agosto 2025
20AQI
20AQI
29th Agosto 2025
26AQI
26AQI
30th Agosto 2025
20AQI
20AQI
31st Agosto 2025
20AQI
20AQI
1st Setembro 2025
30AQI
30AQI
2nd Setembro 2025
35AQI
35AQI
3rd Setembro 2025
30AQI
30AQI
4th Setembro 2025
26AQI
26AQI
5th Setembro 2025
29AQI
29AQI
6th Setembro 2025
35AQI
35AQI
7th Setembro 2025
24AQI
24AQI
8th Setembro 2025
21AQI
21AQI
9th Setembro 2025
19AQI
19AQI
10th Setembro 2025
21AQI
21AQI
11th Setembro 2025
23AQI
23AQI
12th Setembro 2025
22AQI
22AQI
13th Setembro 2025
22AQI
22AQI
14th Setembro 2025
25AQI
25AQI
15th Setembro 2025
27AQI
27AQI
16th Setembro 2025
26AQI
26AQI
17th Setembro 2025
25AQI
25AQI
18th Setembro 2025
22AQI
22AQI
19th Setembro 2025
22AQI
22AQI
20th Setembro 2025
17AQI
17AQI
21st Setembro 2025
19AQI
19AQI
22nd Setembro 2025
18AQI
18AQI
23rd Setembro 2025
22AQI
22AQI
24th Setembro 2025
25AQI
25AQI
25th Setembro 2025
19AQI
19AQI
26th Setembro 2025
19AQI
19AQI
27th Setembro 2025
18AQI
18AQI
28th Setembro 2025
37AQI
37AQI
29th Setembro 2025
40AQI
40AQI
30th Setembro 2025
41AQI
41AQI
1st Outubro 2025
21AQI
21AQI
2nd Outubro 2025
9AQI
9AQI
3rd Outubro 2025
15AQI
15AQI
4th Outubro 2025
35AQI
35AQI
5th Outubro 2025
48AQI
48AQI
6th Outubro 2025
48AQI
48AQI
7th Outubro 2025
44AQI
44AQI
8th Outubro 2025
17AQI
17AQI
9th Outubro 2025
15AQI
15AQI
10th Outubro 2025
18AQI
18AQI
11th Outubro 2025
23AQI
23AQI
12th Outubro 2025
32AQI
32AQI
13th Outubro 2025
35AQI
35AQI
14th Outubro 2025
23AQI
23AQI
15th Outubro 2025
15AQI
15AQI
16th Outubro 2025
16AQI
16AQI
17th Outubro 2025
28AQI
28AQI
18th Outubro 2025
29AQI
29AQI
19th Outubro 2025
28AQI
28AQI
20th Outubro 2025
21AQI
21AQI
21st Outubro 2025
14AQI
14AQI
22nd Outubro 2025
23rd Outubro 2025
24th Outubro 2025
25th Outubro 2025
26th Outubro 2025
27th Outubro 2025
28th Outubro 2025
29th Outubro 2025
30th Outubro 2025
31st Outubro 2025
1st Novembro 2025
2nd Novembro 2025
3rd Novembro 2025
4th Novembro 2025
5th Novembro 2025
6th Novembro 2025
7th Novembro 2025
8th Novembro 2025
9th Novembro 2025
10th Novembro 2025
11th Novembro 2025
12th Novembro 2025
13th Novembro 2025
14th Novembro 2025
15th Novembro 2025
16th Novembro 2025
17th Novembro 2025
18th Novembro 2025
19th Novembro 2025
20th Novembro 2025
21st Novembro 2025
22nd Novembro 2025
23rd Novembro 2025
24th Novembro 2025
25th Novembro 2025
26th Novembro 2025
27th Novembro 2025
28th Novembro 2025
29th Novembro 2025
30th Novembro 2025
1st Dezembro 2025
2nd Dezembro 2025
3rd Dezembro 2025
4th Dezembro 2025
5th Dezembro 2025
6th Dezembro 2025
7th Dezembro 2025
8th Dezembro 2025
9th Dezembro 2025
10th Dezembro 2025
11th Dezembro 2025
12th Dezembro 2025
13th Dezembro 2025
14th Dezembro 2025
15th Dezembro 2025
16th Dezembro 2025
17th Dezembro 2025
18th Dezembro 2025
19th Dezembro 2025
20th Dezembro 2025
21st Dezembro 2025
22nd Dezembro 2025
23rd Dezembro 2025
24th Dezembro 2025
25th Dezembro 2025
26th Dezembro 2025
27th Dezembro 2025
28th Dezembro 2025
29th Dezembro 2025
30th Dezembro 2025
31st Dezembro 2025
28AQI
27AQI
23AQI
21AQI
21AQI
39AQI
39AQI
37AQI
25AQI
25AQI
No. of days
Jan.Fev.Mar.Abr.MaioJun.Jul.Ago.Set.Out.Nov.Dez.Total de Dias
202529AQI
31
28
31
30
31
22
8
25
5
1
25
6
30
21
274
19
1
Maior AQI registrado em
Julho39AQI
Menor AQI registrado em
Abril21AQI
202424AQI
31
29
31
30
31
29
1
29
2
26
5
30
31
30
29
2
356
10
Maior AQI registrado em
Julho31AQI
Menor AQI registrado em
Março17AQI
202326AQI
31
28
31
30
31
26
4
24
7
27
4
22
8
30
1
28
1
31
339
25
Maior AQI registrado em
Julho38AQI
Menor AQI registrado em
Janeiro19AQI
202222AQI
29
1
21
31
30
31
30
24
1
1
29
31
30
25
2
312
4
Maior AQI registrado em
Julho30AQI
Menor AQI registrado em
Agosto14AQI
202123AQI
29
1
28
31
28
20
29
1
28
3
28
3
30
31
30
31
343
8
Maior AQI registrado em
Junho29AQI
Menor AQI registrado em
Setembro18AQI
202030AQI
13
21
18
22
8
28
3
31
30
3
13
29
2
208
13
Maior AQI registrado em
Junho41AQI
Menor AQI registrado em
Setembro19AQI
Anos Mais e Menos Poluídos Nos Últimos 6 Anos
Ano Mais Poluído Registrado
2020(Média)
30AQIAno Menos Poluído Registrado
2022(Média)
22AQIPortland tem um AQI médio anual de 2025 AQI (29), mostrando uma mudança percentual média de 17.5% (piorou AQI) em comparação aos anos anteriores: 2020 (30), 2021 (23), 2022 (22), 2023 (26), 2024 (24).
