Portland, Oregon, United States 历史空气质量分析
深入了解详细的空气质量数据，包括历史数据、月度模式和年度趋势，尽在掌握！
良好
050
适中
100
差
150
不健康
200
严重
300
危险
301+
八月空气质量分析
Portland, Oregon, United States
2021
2022
2023
2024
2025
AQI
.
天数
AQI趋势：最高与最低
最高AQI记录于
20th Aug 2023
86AQI最低AQI记录于
5th Aug 2021
10AQI同日分析（5th August ）：
在过去5年的这一天，AQI差异显著：2025年排名为1st 最高，AQI为39，属于良好空气质量。
下载2024年度数据
全球空气质量报告
日夜AQI趋势：5th Aug - 6th Aug 2025
Portland, Oregon, United States
AQI
天
夜晚
.
5 AM5th Aug 2025
8 PM
4 AM6th Aug 2025
白天时间
平均最高时间
6AM5th Aug
54AQI
平均最低时间
1PM5th Aug
36AQI
夜晚时间
平均最高时间
5AM5th Aug
58AQI
平均最低时间
4AM6th Aug
26AQI
在过去的24小时内，
Portland的AQI最高点为58，出现在夜晚的5 AM；最低点为26，出现在夜晚的4 AM。
日夜AQI趋势：Jul - Aug 2025
Portland, Oregon, United States
JulAug
07th - 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 - 06th06th
天
夜晚
7th Jul 2025285 AMAQI
7th Jul 2025296 AMAQI
7th Jul 2025297 AMAQI
7th Jul 2025288 AMAQI
7th Jul 2025289 AMAQI
7th Jul 20252810 AMAQI
7th Jul 20252811 AMAQI
7th Jul 20252912 PMAQI
7th Jul 2025301 PMAQI
7th Jul 2025302 PMAQI
7th Jul 2025293 PMAQI
7th Jul 2025294 PMAQI
7th Jul 2025295 PMAQI
7th Jul 2025286 PMAQI
7th Jul 2025287 PMAQI
7th Jul 2025278 PMAQI
7th Jul 2025269 PMAQI
7th Jul 20252610 PMAQI
7th Jul 20252711 PMAQI
8th Jul 20252812 AMAQI
8th Jul 2025251 AMAQI
8th Jul 2025222 AMAQI
8th Jul 2025233 AMAQI
8th Jul 2025254 AMAQI
24°C16/33°C
8th Jul 2025245 AMAQI
8th Jul 2025256 AMAQI
8th Jul 2025257 AMAQI
8th Jul 2025268 AMAQI
8th Jul 2025269 AMAQI
8th Jul 20252610 AMAQI
8th Jul 20252711 AMAQI
8th Jul 20252712 PMAQI
8th Jul 2025281 PMAQI
8th Jul 2025302 PMAQI
8th Jul 2025283 PMAQI
8th Jul 2025284 PMAQI
8th Jul 2025285 PMAQI
8th Jul 2025286 PMAQI
8th Jul 2025267 PMAQI
8th Jul 2025268 PMAQI
8th Jul 2025269 PMAQI
8th Jul 20252610 PMAQI
8th Jul 20252511 PMAQI
9th Jul 20252412 AMAQI
9th Jul 2025221 AMAQI
9th Jul 2025192 AMAQI
9th Jul 2025193 AMAQI
9th Jul 2025174 AMAQI
24°C17/34°C
9th Jul 2025175 AMAQI
9th Jul 2025166 AMAQI
9th Jul 2025187 AMAQI
9th Jul 2025198 AMAQI
9th Jul 2025189 AMAQI
9th Jul 20251810 AMAQI
9th Jul 20251711 AMAQI
9th Jul 20251912 PMAQI
9th Jul 2025201 PMAQI
9th Jul 2025202 PMAQI
9th Jul 2025203 PMAQI
9th Jul 2025204 PMAQI
9th Jul 2025205 PMAQI
9th Jul 2025206 PMAQI
9th Jul 2025197 PMAQI
9th Jul 2025208 PMAQI
9th Jul 2025219 PMAQI
9th Jul 20252110 PMAQI
9th Jul 20252011 PMAQI
10th Jul 20252012 AMAQI
10th Jul 2025181 AMAQI
10th Jul 2025172 AMAQI
10th Jul 2025163 AMAQI
10th Jul 2025194 AMAQI
21°C17/26°C
10th Jul 2025185 AMAQI
10th Jul 2025176 AMAQI
10th Jul 2025187 AMAQI
10th Jul 2025188 AMAQI
10th Jul 2025199 AMAQI
10th Jul 20251910 AMAQI
10th Jul 20251811 AMAQI
10th Jul 20251912 PMAQI
10th Jul 2025171 PMAQI
10th Jul 2025172 PMAQI
10th Jul 2025183 PMAQI
10th Jul 2025174 PMAQI
10th Jul 2025175 PMAQI
10th Jul 2025176 PMAQI
10th Jul 2025187 PMAQI
10th Jul 2025188 PMAQI
10th Jul 2025179 PMAQI
10th Jul 20251710 PMAQI
10th Jul 20251811 PMAQI
11th Jul 20251812 AMAQI
11th Jul 2025171 AMAQI
11th Jul 2025172 AMAQI
11th Jul 2025173 AMAQI
11th Jul 2025184 AMAQI
21°C17/24°C
11th Jul 2025175 AMAQI
11th Jul 2025196 AMAQI
11th Jul 2025187 AMAQI
11th Jul 2025208 AMAQI
11th Jul 2025199 AMAQI
11th Jul 20252010 AMAQI
11th Jul 20252011 AMAQI
11th Jul 20252012 PMAQI
11th Jul 2025211 PMAQI
11th Jul 2025222 PMAQI
11th Jul 2025213 PMAQI
11th Jul 2025214 PMAQI
11th Jul 2025215 PMAQI
11th Jul 2025216 PMAQI
11th Jul 2025207 PMAQI
11th Jul 2025208 PMAQI
11th Jul 2025209 PMAQI
11th Jul 20252110 PMAQI
11th Jul 20252111 PMAQI
12th Jul 20252012 AMAQI
12th Jul 2025201 AMAQI
12th Jul 2025202 AMAQI
12th Jul 2025193 AMAQI
12th Jul 2025194 AMAQI
23°C16/33°C
12th Jul 2025195 AMAQI
12th Jul 2025176 AMAQI
12th Jul 2025187 AMAQI
12th Jul 2025208 AMAQI
12th Jul 2025199 AMAQI
12th Jul 20251910 AMAQI
12th Jul 20251911 AMAQI
12th Jul 20251912 PMAQI
12th Jul 2025211 PMAQI
12th Jul 2025212 PMAQI
12th Jul 2025213 PMAQI
12th Jul 2025214 PMAQI
12th Jul 2025205 PMAQI
12th Jul 2025196 PMAQI
12th Jul 2025197 PMAQI
12th Jul 2025218 PMAQI
12th Jul 2025209 PMAQI
12th Jul 20252110 PMAQI
12th Jul 20252011 PMAQI
13th Jul 20252012 AMAQI
13th Jul 2025211 AMAQI
13th Jul 2025202 AMAQI
13th Jul 2025193 AMAQI
13th Jul 2025224 AMAQI
24°C18/33°C
13th Jul 2025215 AMAQI
13th Jul 2025206 AMAQI
13th Jul 2025207 AMAQI
13th Jul 2025208 AMAQI
13th Jul 2025219 AMAQI
13th Jul 20252010 AMAQI
13th Jul 20252011 AMAQI
13th Jul 20252012 PMAQI
13th Jul 2025221 PMAQI
13th Jul 2025212 PMAQI
13th Jul 2025213 PMAQI
13th Jul 2025214 PMAQI
13th Jul 2025215 PMAQI
13th Jul 2025206 PMAQI
13th Jul 2025207 PMAQI
13th Jul 2025218 PMAQI
13th Jul 2025199 PMAQI
13th Jul 20251910 PMAQI
13th Jul 20251911 PMAQI
14th Jul 20252012 AMAQI
14th Jul 2025181 AMAQI
14th Jul 2025162 AMAQI
14th Jul 2025163 AMAQI
14th Jul 2025164 AMAQI
27°C19/36°C
14th Jul 2025165 AMAQI
14th Jul 2025166 AMAQI
14th Jul 2025167 AMAQI
14th Jul 2025178 AMAQI
14th Jul 2025179 AMAQI
14th Jul 20251610 AMAQI
14th Jul 20251711 AMAQI
14th Jul 20251712 PMAQI
14th Jul 2025171 PMAQI
14th Jul 2025182 PMAQI
14th Jul 2025163 PMAQI
14th Jul 2025174 PMAQI
14th Jul 2025175 PMAQI
14th Jul 2025186 PMAQI
14th Jul 2025177 PMAQI
14th Jul 2025188 PMAQI
14th Jul 2025199 PMAQI
14th Jul 20252010 PMAQI
14th Jul 20252011 PMAQI
15th Jul 20252012 AMAQI
15th Jul 2025221 AMAQI
15th Jul 2025192 AMAQI
15th Jul 2025193 AMAQI
15th Jul 2025184 AMAQI
21°C16/29°C
15th Jul 2025195 AMAQI
15th Jul 2025216 AMAQI
15th Jul 2025217 AMAQI
15th Jul 2025218 AMAQI
15th Jul 2025219 AMAQI
15th Jul 20252310 AMAQI
15th Jul 20252611 AMAQI
15th Jul 20252912 PMAQI
15th Jul 2025311 PMAQI
15th Jul 2025312 PMAQI
15th Jul 2025273 PMAQI
15th Jul 2025274 PMAQI
15th Jul 2025275 PMAQI
15th Jul 2025266 PMAQI
15th Jul 2025247 PMAQI
15th Jul 2025248 PMAQI
15th Jul 2025269 PMAQI
15th Jul 20252610 PMAQI
15th Jul 20252511 PMAQI
16th Jul 20252512 AMAQI
16th Jul 2025241 AMAQI
16th Jul 2025242 AMAQI
16th Jul 2025253 AMAQI
16th Jul 2025254 AMAQI
24°C15/35°C
16th Jul 2025235 AMAQI
16th Jul 2025246 AMAQI
16th Jul 2025237 AMAQI
16th Jul 2025258 AMAQI
16th Jul 2025279 AMAQI
16th Jul 20253010 AMAQI
16th Jul 20253111 AMAQI
16th Jul 20253312 PMAQI
16th Jul 2025341 PMAQI
16th Jul 2025342 PMAQI
16th Jul 2025333 PMAQI
16th Jul 2025334 PMAQI
16th Jul 2025335 PMAQI
16th Jul 2025326 PMAQI
16th Jul 2025287 PMAQI
16th Jul 2025288 PMAQI
16th Jul 2025289 PMAQI
16th Jul 20252810 PMAQI
16th Jul 20252811 PMAQI
17th Jul 20252712 AMAQI
17th Jul 2025251 AMAQI
17th Jul 2025272 AMAQI
17th Jul 2025283 AMAQI
17th Jul 2025314 AMAQI
29°C22/37°C
17th Jul 2025325 AMAQI
17th Jul 2025356 AMAQI
17th Jul 2025367 AMAQI
17th Jul 2025368 AMAQI
17th Jul 2025369 AMAQI
17th Jul 20253310 AMAQI
17th Jul 20253411 AMAQI
17th Jul 20253412 PMAQI
17th Jul 2025341 PMAQI
17th Jul 2025372 PMAQI
17th Jul 2025363 PMAQI
17th Jul 2025354 PMAQI
17th Jul 2025365 PMAQI
17th Jul 2025366 PMAQI
17th Jul 2025357 PMAQI
17th Jul 2025348 PMAQI
17th Jul 2025319 PMAQI
17th Jul 20253010 PMAQI
17th Jul 20252811 PMAQI
18th Jul 20252712 AMAQI
18th Jul 2025271 AMAQI
18th Jul 2025262 AMAQI
18th Jul 2025263 AMAQI
18th Jul 2025254 AMAQI
24°C16/32°C
18th Jul 2025285 AMAQI
18th Jul 2025286 AMAQI
18th Jul 2025277 AMAQI
18th Jul 2025288 AMAQI
18th Jul 2025289 AMAQI
18th Jul 20252710 AMAQI
18th Jul 20252711 AMAQI
18th Jul 20253012 PMAQI
18th Jul 2025311 PMAQI
18th Jul 2025302 PMAQI
18th Jul 2025283 PMAQI
18th Jul 2025294 PMAQI
18th Jul 2025285 PMAQI
18th Jul 2025286 PMAQI
18th Jul 2025277 PMAQI
18th Jul 2025278 PMAQI
18th Jul 2025249 PMAQI
18th Jul 20252410 PMAQI
18th Jul 20252511 PMAQI
19th Jul 20252412 AMAQI
19th Jul 2025241 AMAQI
19th Jul 2025232 AMAQI
19th Jul 2025223 AMAQI
19th Jul 2025204 AMAQI
22°C17/29°C
19th Jul 2025215 AMAQI
19th Jul 2025216 AMAQI
19th Jul 2025217 AMAQI
19th Jul 2025228 AMAQI
19th Jul 2025219 AMAQI
19th Jul 20252110 AMAQI
19th Jul 20252211 AMAQI
19th Jul 20252212 PMAQI
19th Jul 2025241 PMAQI
19th Jul 2025242 PMAQI
19th Jul 2025243 PMAQI
19th Jul 2025244 PMAQI
19th Jul 2025245 PMAQI
19th Jul 2025246 PMAQI
19th Jul 2025237 PMAQI
19th Jul 2025238 PMAQI
19th Jul 2025259 PMAQI
19th Jul 20252410 PMAQI
19th Jul 20252511 PMAQI
20th Jul 20252512 AMAQI
20th Jul 2025241 AMAQI
20th Jul 2025212 AMAQI
20th Jul 2025223 AMAQI
20th Jul 2025214 AMAQI
19°C15/25°C
20th Jul 2025215 AMAQI
20th Jul 2025226 AMAQI
20th Jul 2025217 AMAQI
20th Jul 2025208 AMAQI
20th Jul 2025199 AMAQI
20th Jul 20251810 AMAQI
20th Jul 20252011 AMAQI
20th Jul 20252012 PMAQI
20th Jul 2025201 PMAQI
20th Jul 2025212 PMAQI
20th Jul 2025223 PMAQI
20th Jul 2025224 PMAQI
20th Jul 2025225 PMAQI
20th Jul 2025216 PMAQI
20th Jul 2025227 PMAQI
20th Jul 2025218 PMAQI
20th Jul 2025229 PMAQI
20th Jul 20252110 PMAQI
20th Jul 20252111 PMAQI
21st Jul 20252212 AMAQI
21st Jul 2025221 AMAQI
21st Jul 2025222 AMAQI
21st Jul 2025223 AMAQI
21st Jul 2025244 AMAQI
18°C14/22°C
21st Jul 2025215 AMAQI
21st Jul 2025256 AMAQI
21st Jul 2025267 AMAQI
21st Jul 2025288 AMAQI
21st Jul 2025269 AMAQI
21st Jul 20252510 AMAQI
21st Jul 20252311 AMAQI
21st Jul 20252212 PMAQI
21st Jul 2025221 PMAQI
21st Jul 2025222 PMAQI
21st Jul 2025233 PMAQI
21st Jul 2025234 PMAQI
21st Jul 2025235 PMAQI
21st Jul 2025246 PMAQI
21st Jul 2025237 PMAQI
21st Jul 2025238 PMAQI
21st Jul 2025239 PMAQI
21st Jul 20252310 PMAQI
21st Jul 20252211 PMAQI
22nd Jul 20252312 AMAQI
22nd Jul 2025221 AMAQI
22nd Jul 2025212 AMAQI
22nd Jul 2025203 AMAQI
22nd Jul 2025194 AMAQI
20°C16/23°C
22nd Jul 2025195 AMAQI
22nd Jul 2025206 AMAQI
22nd Jul 2025217 AMAQI
22nd Jul 2025228 AMAQI
22nd Jul 2025229 AMAQI
22nd Jul 20252310 AMAQI
22nd Jul 20252311 AMAQI
22nd Jul 20252312 PMAQI
22nd Jul 2025221 PMAQI
22nd Jul 2025232 PMAQI
22nd Jul 2025223 PMAQI
22nd Jul 2025234 PMAQI
22nd Jul 2025225 PMAQI
22nd Jul 2025216 PMAQI
22nd Jul 2025217 PMAQI
22nd Jul 2025218 PMAQI
22nd Jul 2025219 PMAQI
22nd Jul 20252210 PMAQI
22nd Jul 20252111 PMAQI
23rd Jul 20252112 AMAQI
23rd Jul 2025211 AMAQI
23rd Jul 2025202 AMAQI
23rd Jul 2025203 AMAQI
23rd Jul 2025194 AMAQI
22°C15/30°C
23rd Jul 2025215 AMAQI
23rd Jul 2025186 AMAQI
23rd Jul 2025197 AMAQI
23rd Jul 2025208 AMAQI
23rd Jul 2025219 AMAQI
23rd Jul 20252310 AMAQI
23rd Jul 20252511 AMAQI
23rd Jul 20252712 PMAQI
23rd Jul 2025271 PMAQI
23rd Jul 2025262 PMAQI
23rd Jul 2025263 PMAQI
23rd Jul 2025264 PMAQI
23rd Jul 2025265 PMAQI
23rd Jul 2025256 PMAQI
23rd Jul 2025237 PMAQI
23rd Jul 2025238 PMAQI
23rd Jul 2025239 PMAQI
23rd Jul 20252410 PMAQI
23rd Jul 20252211 PMAQI
24th Jul 20252112 AMAQI
24th Jul 2025211 AMAQI
24th Jul 2025202 AMAQI
24th Jul 2025203 AMAQI
24th Jul 2025194 AMAQI
24°C17/34°C
24th Jul 2025205 AMAQI
24th Jul 2025236 AMAQI
24th Jul 2025217 AMAQI
24th Jul 2025228 AMAQI
24th Jul 2025229 AMAQI
24th Jul 20252310 AMAQI
24th Jul 20252311 AMAQI
24th Jul 20252412 PMAQI
24th Jul 2025271 PMAQI
24th Jul 2025282 PMAQI
24th Jul 2025273 PMAQI
24th Jul 2025284 PMAQI
24th Jul 2025295 PMAQI
24th Jul 2025306 PMAQI
24th Jul 2025267 PMAQI
24th Jul 2025268 PMAQI
24th Jul 2025299 PMAQI
24th Jul 20252710 PMAQI
24th Jul 20252511 PMAQI
25th Jul 20252412 AMAQI
25th Jul 2025231 AMAQI
25th Jul 2025252 AMAQI
25th Jul 2025263 AMAQI
25th Jul 2025284 AMAQI
23°C17/31°C
25th Jul 2025295 AMAQI
25th Jul 2025286 AMAQI
25th Jul 2025287 AMAQI
25th Jul 2025278 AMAQI
25th Jul 2025279 AMAQI
25th Jul 20252610 AMAQI
25th Jul 20252711 AMAQI
25th Jul 20252712 PMAQI
25th Jul 2025271 PMAQI
25th Jul 2025292 PMAQI
25th Jul 2025283 PMAQI
25th Jul 2025274 PMAQI
25th Jul 2025265 PMAQI
25th Jul 2025256 PMAQI
25th Jul 2025267 PMAQI
25th Jul 2025268 PMAQI
25th Jul 2025249 PMAQI
25th Jul 20252610 PMAQI
25th Jul 20252811 PMAQI
26th Jul 20253012 AMAQI
26th Jul 2025461 AMAQI
26th Jul 2025522 AMAQI
26th Jul 2025523 AMAQI
26th Jul 2025534 AMAQI
19°C15/24°C
26th Jul 2025525 AMAQI
26th Jul 2025526 AMAQI
26th Jul 2025537 AMAQI
26th Jul 2025508 AMAQI
26th Jul 2025469 AMAQI
26th Jul 20254310 AMAQI
26th Jul 20254011 AMAQI
26th Jul 20253712 PMAQI
26th Jul 2025351 PMAQI
26th Jul 2025352 PMAQI
26th Jul 2025353 PMAQI
26th Jul 2025374 PMAQI
26th Jul 2025375 PMAQI
26th Jul 2025366 PMAQI
26th Jul 2025397 PMAQI
26th Jul 2025368 PMAQI
26th Jul 2025369 PMAQI
26th Jul 20253610 PMAQI
26th Jul 20253711 PMAQI
27th Jul 20253612 AMAQI
27th Jul 2025311 AMAQI
27th Jul 2025332 AMAQI
27th Jul 2025333 AMAQI
27th Jul 2025354 AMAQI
17°C14/21°C
27th Jul 2025375 AMAQI
27th Jul 2025386 AMAQI
27th Jul 2025387 AMAQI
27th Jul 2025398 AMAQI
27th Jul 2025409 AMAQI
27th Jul 20254110 AMAQI
27th Jul 20254111 AMAQI
27th Jul 20254112 PMAQI
27th Jul 2025421 PMAQI
27th Jul 2025402 PMAQI
27th Jul 2025413 PMAQI
27th Jul 2025394 PMAQI
27th Jul 2025395 PMAQI
27th Jul 2025376 PMAQI
27th Jul 2025387 PMAQI
27th Jul 2025378 PMAQI
27th Jul 2025359 PMAQI
27th Jul 20253410 PMAQI
27th Jul 20253511 PMAQI
28th Jul 20253512 AMAQI
28th Jul 2025351 AMAQI
28th Jul 2025322 AMAQI
28th Jul 2025323 AMAQI
28th Jul 2025304 AMAQI
20°C15/28°C
28th Jul 2025315 AMAQI
28th Jul 2025296 AMAQI
28th Jul 2025307 AMAQI
28th Jul 2025308 AMAQI
28th Jul 2025319 AMAQI
28th Jul 20253110 AMAQI
28th Jul 20253211 AMAQI
28th Jul 20253312 PMAQI
28th Jul 2025331 PMAQI
28th Jul 2025342 PMAQI
28th Jul 2025333 PMAQI
28th Jul 2025334 PMAQI
28th Jul 2025335 PMAQI
28th Jul 2025326 PMAQI
28th Jul 2025337 PMAQI
28th Jul 2025338 PMAQI
28th Jul 2025329 PMAQI
28th Jul 20253210 PMAQI
28th Jul 20253111 PMAQI
29th Jul 20253012 AMAQI
29th Jul 2025301 AMAQI
29th Jul 2025292 AMAQI
29th Jul 2025273 AMAQI
29th Jul 2025284 AMAQI
22°C15/31°C
29th Jul 2025285 AMAQI
29th Jul 2025286 AMAQI
29th Jul 2025297 AMAQI
29th Jul 2025298 AMAQI
29th Jul 2025299 AMAQI
29th Jul 20253010 AMAQI
29th Jul 20253111 AMAQI
29th Jul 20253212 PMAQI
29th Jul 2025301 PMAQI
29th Jul 2025322 PMAQI
29th Jul 2025313 PMAQI
29th Jul 2025314 PMAQI
29th Jul 2025315 PMAQI
29th Jul 2025316 PMAQI
29th Jul 2025307 PMAQI
29th Jul 2025318 PMAQI
29th Jul 2025309 PMAQI
29th Jul 20252910 PMAQI
29th Jul 20253011 PMAQI
30th Jul 20253112 AMAQI
30th Jul 2025291 AMAQI
30th Jul 2025282 AMAQI
30th Jul 2025283 AMAQI
30th Jul 2025274 AMAQI
25°C17/35°C
30th Jul 2025275 AMAQI
30th Jul 2025276 AMAQI
30th Jul 2025287 AMAQI
30th Jul 2025288 AMAQI
30th Jul 2025289 AMAQI
30th Jul 20252810 AMAQI
30th Jul 20252811 AMAQI
30th Jul 20252912 PMAQI
30th Jul 2025291 PMAQI
30th Jul 2025312 PMAQI
30th Jul 2025313 PMAQI
30th Jul 2025314 PMAQI
30th Jul 2025315 PMAQI
30th Jul 2025316 PMAQI
30th Jul 2025317 PMAQI
30th Jul 2025318 PMAQI
30th Jul 2025349 PMAQI
30th Jul 20253410 PMAQI
30th Jul 20253311 PMAQI
31st Jul 20253212 AMAQI
31st Jul 2025311 AMAQI
31st Jul 2025312 AMAQI
31st Jul 2025293 AMAQI
31st Jul 2025284 AMAQI
24°C18/32°C
31st Jul 2025275 AMAQI
31st Jul 2025286 AMAQI
31st Jul 2025327 AMAQI
31st Jul 2025328 AMAQI
31st Jul 2025339 AMAQI
31st Jul 20253610 AMAQI
31st Jul 20254011 AMAQI
31st Jul 20254412 PMAQI
31st Jul 2025441 PMAQI
31st Jul 2025422 PMAQI
31st Jul 2025383 PMAQI
31st Jul 2025374 PMAQI
31st Jul 2025375 PMAQI
31st Jul 2025376 PMAQI
31st Jul 2025367 PMAQI
31st Jul 2025388 PMAQI
31st Jul 2025389 PMAQI
31st Jul 20253810 PMAQI
31st Jul 20253811 PMAQI
1st Aug 20253512 AMAQI
1st Aug 2025341 AMAQI
1st Aug 2025332 AMAQI
1st Aug 2025333 AMAQI
1st Aug 2025344 AMAQI
22°C17/30°C
1st Aug 2025325 AMAQI
1st Aug 2025316 AMAQI
1st Aug 2025297 AMAQI
1st Aug 2025278 AMAQI
1st Aug 2025259 AMAQI
1st Aug 20252410 AMAQI
1st Aug 20252211 AMAQI
1st Aug 20252112 PMAQI
1st Aug 2025221 PMAQI
1st Aug 2025212 PMAQI
1st Aug 2025213 PMAQI
1st Aug 2025194 PMAQI
1st Aug 2025195 PMAQI
1st Aug 2025186 PMAQI
1st Aug 2025297 PMAQI
1st Aug 2025248 PMAQI
1st Aug 2025199 PMAQI
1st Aug 20252110 PMAQI
1st Aug 20252311 PMAQI
2nd Aug 20252512 AMAQI
2nd Aug 2025221 AMAQI
2nd Aug 2025202 AMAQI
2nd Aug 2025203 AMAQI
2nd Aug 2025194 AMAQI
22°C17/30°C
2nd Aug 2025185 AMAQI
2nd Aug 2025176 AMAQI
2nd Aug 2025177 AMAQI
2nd Aug 2025178 AMAQI
2nd Aug 2025169 AMAQI
2nd Aug 20251710 AMAQI
2nd Aug 20251611 AMAQI
2nd Aug 20251612 PMAQI
2nd Aug 2025161 PMAQI
2nd Aug 2025152 PMAQI
2nd Aug 2025163 PMAQI
2nd Aug 2025164 PMAQI
2nd Aug 2025165 PMAQI
2nd Aug 2025166 PMAQI
2nd Aug 2025187 PMAQI
2nd Aug 2025188 PMAQI
2nd Aug 2025209 PMAQI
2nd Aug 20252410 PMAQI
2nd Aug 20252411 PMAQI
3rd Aug 20252612 AMAQI
3rd Aug 2025271 AMAQI
3rd Aug 2025262 AMAQI
3rd Aug 2025253 AMAQI
3rd Aug 2025244 AMAQI
19°C17/22°C
3rd Aug 2025235 AMAQI
3rd Aug 2025246 AMAQI
3rd Aug 2025267 AMAQI
3rd Aug 2025278 AMAQI
3rd Aug 2025289 AMAQI
3rd Aug 20252810 AMAQI
3rd Aug 20252911 AMAQI
3rd Aug 20253012 PMAQI
3rd Aug 2025321 PMAQI
3rd Aug 2025342 PMAQI
3rd Aug 2025353 PMAQI
3rd Aug 2025354 PMAQI
3rd Aug 2025375 PMAQI
3rd Aug 2025356 PMAQI
3rd Aug 2025307 PMAQI
3rd Aug 2025328 PMAQI
3rd Aug 2025349 PMAQI
3rd Aug 20253110 PMAQI
3rd Aug 20253011 PMAQI
4th Aug 20253012 AMAQI
4th Aug 2025311 AMAQI
4th Aug 2025332 AMAQI
4th Aug 2025313 AMAQI
4th Aug 2025324 AMAQI
18°C15/22°C
4th Aug 2025315 AMAQI
4th Aug 2025316 AMAQI
4th Aug 2025327 AMAQI
4th Aug 2025348 AMAQI
4th Aug 2025359 AMAQI
4th Aug 20253710 AMAQI
4th Aug 20253911 AMAQI
4th Aug 20254112 PMAQI
4th Aug 2025451 PMAQI
4th Aug 2025462 PMAQI
4th Aug 2025463 PMAQI
4th Aug 2025494 PMAQI
4th Aug 2025495 PMAQI
4th Aug 2025526 PMAQI
4th Aug 2025347 PMAQI
4th Aug 2025478 PMAQI
4th Aug 2025569 PMAQI
4th Aug 20256310 PMAQI
4th Aug 20256511 PMAQI
5th Aug 20256812 AMAQI
5th Aug 2025661 AMAQI
5th Aug 2025622 AMAQI
5th Aug 2025603 AMAQI
5th Aug 2025604 AMAQI
19°C16/24°C
5th Aug 2025585 AMAQI
5th Aug 2025546 AMAQI
5th Aug 2025507 AMAQI
5th Aug 2025448 AMAQI
5th Aug 2025429 AMAQI
5th Aug 20254110 AMAQI
5th Aug 20253611 AMAQI
5th Aug 20253612 PMAQI
5th Aug 2025361 PMAQI
5th Aug 2025402 PMAQI
5th Aug 2025433 PMAQI
5th Aug 2025434 PMAQI
5th Aug 2025425 PMAQI
5th Aug 2025416 PMAQI
5th Aug 2025477 PMAQI
5th Aug 2025438 PMAQI
5th Aug 2025359 PMAQI
5th Aug 20253510 PMAQI
5th Aug 20253511 PMAQI
6th Aug 20253312 AMAQI
6th Aug 2025311 AMAQI
6th Aug 2025282 AMAQI
6th Aug 2025273 AMAQI
6th Aug 2025264 AMAQI
21°C15/29°C
6th Aug 2025265 AMAQI
5 AM6th Aug 2025266 AMAQI
6th Aug 2025277 AMAQI
6th Aug 2025288 AMAQI
6th Aug 2025289 AMAQI
6th Aug 20252710 AMAQI
6th Aug 20252611 AMAQI
6th Aug 20252712 PMAQI
12 PM6th Aug 2025281 PMAQI
8 PM
12 AM
4 AM
--°C/°C
白天时间
平均最高时间
5 AM - 8 PM
27AQI
16 小时 / 天
480 小时 / 月
平均最低时间
5 AM - 8 PM
27AQI
16 小时 / 天
480 小时 / 月
过去30天中，白天AQI最高值为5 AM到8 PM（平均27），最低值为5 AM到8 PM（平均27）。
夜晚时间
平均最高时间
12 AM - 11 PM
27AQI
8 小时 / 天
240 小时 / 月
平均最低时间
12 AM - 11 PM
27AQI
8 小时 / 天
240 小时 / 月
过去30天中，夜间AQI最高值为12 AM到11 PM（平均27），最低值为12 AM到11 PM（平均27）。
2025空气质量与天数对比
Portland, Oregon, United States
2025
94%
205
6%
12
在2025年的最后218天中，不同AQI类别的总天数 (剩余 147 天)
良好
205 天数适中
12 天数差
0 天数不健康
0 天数严重
0 天数危险
0 天数在WHO安全空气质量限制内：94%
健康风险级别:
非常低
在2025年中，94%的218天在WHO的安全空气质量限制内。健康问题的风险是非常低，但长期影响仍不明确。
年度空气质量洞察
Portland, Oregon, United States
2025年AQI水平
AQI
PM2.5
PM10
CO
SO2
NO2
O3
周日周一周二周三周四周五周六
一月
二月
三月
四月
五月
六月
七月
八月
九月
十月
十一月
十二月
1st 一月 2025
30AQI
30AQI
2nd 一月 2025
23AQI
23AQI
3rd 一月 2025
25AQI
25AQI
4th 一月 2025
24AQI
24AQI
5th 一月 2025
22AQI
22AQI
6th 一月 2025
22AQI
22AQI
7th 一月 2025
25AQI
25AQI
8th 一月 2025
31AQI
31AQI
9th 一月 2025
32AQI
32AQI
10th 一月 2025
35AQI
35AQI
11th 一月 2025
21AQI
21AQI
12th 一月 2025
29AQI
29AQI
13th 一月 2025
40AQI
40AQI
14th 一月 2025
49AQI
49AQI
15th 一月 2025
50AQI
50AQI
16th 一月 2025
49AQI
49AQI
17th 一月 2025
47AQI
47AQI
18th 一月 2025
32AQI
32AQI
19th 一月 2025
48AQI
48AQI
20th 一月 2025
38AQI
38AQI
21st 一月 2025
55AQI
55AQI
22nd 一月 2025
55AQI
55AQI
23rd 一月 2025
53AQI
53AQI
24th 一月 2025
44AQI
44AQI
25th 一月 2025
37AQI
37AQI
26th 一月 2025
33AQI
33AQI
27th 一月 2025
36AQI
36AQI
28th 一月 2025
47AQI
47AQI
29th 一月 2025
55AQI
55AQI
30th 一月 2025
73AQI
73AQI
31st 一月 2025
38AQI
38AQI
1st 二月 2025
21AQI
21AQI
2nd 二月 2025
25AQI
25AQI
3rd 二月 2025
25AQI
25AQI
4th 二月 2025
36AQI
36AQI
5th 二月 2025
33AQI
33AQI
6th 二月 2025
28AQI
28AQI
7th 二月 2025
30AQI
30AQI
8th 二月 2025
27AQI
27AQI
9th 二月 2025
46AQI
46AQI
10th 二月 2025
32AQI
32AQI
11th 二月 2025
25AQI
25AQI
12th 二月 2025
24AQI
24AQI
13th 二月 2025
23AQI
23AQI
14th 二月 2025
28AQI
28AQI
15th 二月 2025
36AQI
36AQI
16th 二月 2025
23AQI
23AQI
17th 二月 2025
20AQI
20AQI
18th 二月 2025
21AQI
21AQI
19th 二月 2025
20AQI
20AQI
20th 二月 2025
21AQI
21AQI
21st 二月 2025
22AQI
22AQI
22nd 二月 2025
23AQI
23AQI
23rd 二月 2025
18AQI
18AQI
24th 二月 2025
22AQI
22AQI
25th 二月 2025
21AQI
21AQI
26th 二月 2025
26AQI
26AQI
27th 二月 2025
23AQI
23AQI
28th 二月 2025
35AQI
35AQI
1st 三月 2025
36AQI
36AQI
2nd 三月 2025
23AQI
23AQI
3rd 三月 2025
24AQI
24AQI
4th 三月 2025
34AQI
34AQI
5th 三月 2025
51AQI
51AQI
6th 三月 2025
70AQI
70AQI
7th 三月 2025
66AQI
66AQI
8th 三月 2025
72AQI
72AQI
9th 三月 2025
71AQI
71AQI
10th 三月 2025
60AQI
60AQI
11th 三月 2025
57AQI
57AQI
12th 三月 2025
44AQI
44AQI
13th 三月 2025
36AQI
36AQI
14th 三月 2025
34AQI
34AQI
15th 三月 2025
29AQI
29AQI
16th 三月 2025
27AQI
27AQI
17th 三月 2025
25AQI
25AQI
18th 三月 2025
22AQI
22AQI
19th 三月 2025
21AQI
21AQI
20th 三月 2025
18AQI
18AQI
21st 三月 2025
18AQI
18AQI
22nd 三月 2025
21AQI
21AQI
23rd 三月 2025
21AQI
21AQI
24th 三月 2025
20AQI
20AQI
25th 三月 2025
24AQI
24AQI
26th 三月 2025
20AQI
20AQI
27th 三月 2025
17AQI
17AQI
28th 三月 2025
17AQI
17AQI
29th 三月 2025
17AQI
17AQI
30th 三月 2025
22AQI
22AQI
31st 三月 2025
17AQI
17AQI
1st 四月 2025
22AQI
22AQI
2nd 四月 2025
18AQI
18AQI
3rd 四月 2025
22AQI
22AQI
4th 四月 2025
26AQI
26AQI
5th 四月 2025
20AQI
20AQI
6th 四月 2025
30AQI
30AQI
7th 四月 2025
16AQI
16AQI
8th 四月 2025
15AQI
15AQI
9th 四月 2025
17AQI
17AQI
10th 四月 2025
20AQI
20AQI
11th 四月 2025
18AQI
18AQI
12th 四月 2025
17AQI
17AQI
13th 四月 2025
20AQI
20AQI
14th 四月 2025
20AQI
20AQI
15th 四月 2025
22AQI
22AQI
16th 四月 2025
23AQI
23AQI
17th 四月 2025
21AQI
21AQI
18th 四月 2025
23AQI
23AQI
19th 四月 2025
22AQI
22AQI
20th 四月 2025
18AQI
18AQI
21st 四月 2025
16AQI
16AQI
22nd 四月 2025
17AQI
17AQI
23rd 四月 2025
21AQI
21AQI
24th 四月 2025
28AQI
28AQI
25th 四月 2025
35AQI
35AQI
26th 四月 2025
27AQI
27AQI
27th 四月 2025
22AQI
22AQI
28th 四月 2025
15AQI
15AQI
29th 四月 2025
17AQI
17AQI
30th 四月 2025
19AQI
19AQI
1st 五月 2025
28AQI
28AQI
2nd 五月 2025
25AQI
25AQI
3rd 五月 2025
14AQI
14AQI
4th 五月 2025
16AQI
16AQI
5th 五月 2025
18AQI
18AQI
6th 五月 2025
22AQI
22AQI
7th 五月 2025
22AQI
22AQI
8th 五月 2025
19AQI
19AQI
9th 五月 2025
24AQI
24AQI
10th 五月 2025
24AQI
24AQI
11th 五月 2025
15AQI
15AQI
12th 五月 2025
19AQI
19AQI
13th 五月 2025
18AQI
18AQI
14th 五月 2025
21AQI
21AQI
15th 五月 2025
19AQI
19AQI
16th 五月 2025
21AQI
21AQI
17th 五月 2025
18AQI
18AQI
18th 五月 2025
15AQI
15AQI
19th 五月 2025
17AQI
17AQI
20th 五月 2025
12AQI
12AQI
21st 五月 2025
15AQI
15AQI
22nd 五月 2025
21AQI
21AQI
23rd 五月 2025
17AQI
17AQI
24th 五月 2025
18AQI
18AQI
25th 五月 2025
18AQI
18AQI
26th 五月 2025
15AQI
15AQI
27th 五月 2025
18AQI
18AQI
28th 五月 2025
22AQI
22AQI
29th 五月 2025
16AQI
16AQI
30th 五月 2025
19AQI
19AQI
31st 五月 2025
19AQI
19AQI
1st 六月 2025
17AQI
17AQI
2nd 六月 2025
21AQI
21AQI
3rd 六月 2025
23AQI
23AQI
4th 六月 2025
16AQI
16AQI
5th 六月 2025
17AQI
17AQI
6th 六月 2025
20AQI
20AQI
7th 六月 2025
20AQI
20AQI
8th 六月 2025
32AQI
32AQI
9th 六月 2025
32AQI
32AQI
10th 六月 2025
32AQI
32AQI
11th 六月 2025
34AQI
34AQI
12th 六月 2025
30AQI
30AQI
13th 六月 2025
21AQI
21AQI
14th 六月 2025
20AQI
20AQI
15th 六月 2025
22AQI
22AQI
16th 六月 2025
24AQI
24AQI
17th 六月 2025
20AQI
20AQI
18th 六月 2025
15AQI
15AQI
19th 六月 2025
16AQI
16AQI
20th 六月 2025
17AQI
17AQI
21st 六月 2025
17AQI
17AQI
22nd 六月 2025
16AQI
16AQI
23rd 六月 2025
23AQI
23AQI
24th 六月 2025
30AQI
30AQI
25th 六月 2025
30AQI
30AQI
26th 六月 2025
20AQI
20AQI
27th 六月 2025
16AQI
16AQI
28th 六月 2025
15AQI
15AQI
29th 六月 2025
19AQI
19AQI
30th 六月 2025
22AQI
22AQI
1st 七月 2025
20AQI
20AQI
2nd 七月 2025
15AQI
15AQI
3rd 七月 2025
15AQI
15AQI
4th 七月 2025
17AQI
17AQI
5th 七月 2025
21AQI
21AQI
6th 七月 2025
18AQI
18AQI
7th 七月 2025
19AQI
19AQI
8th 七月 2025
22AQI
22AQI
9th 七月 2025
16AQI
16AQI
10th 七月 2025
15AQI
15AQI
11th 七月 2025
19AQI
19AQI
12th 七月 2025
19AQI
19AQI
13th 七月 2025
21AQI
21AQI
14th 七月 2025
16AQI
16AQI
15th 七月 2025
21AQI
21AQI
16th 七月 2025
23AQI
23AQI
17th 七月 2025
31AQI
31AQI
18th 七月 2025
31AQI
31AQI
19th 七月 2025
22AQI
22AQI
20th 七月 2025
21AQI
21AQI
21st 七月 2025
22AQI
22AQI
22nd 七月 2025
24AQI
24AQI
23rd 七月 2025
22AQI
22AQI
24th 七月 2025
21AQI
21AQI
25th 七月 2025
18AQI
18AQI
26th 七月 2025
17AQI
17AQI
27th 七月 2025
22AQI
22AQI
28th 七月 2025
22AQI
22AQI
29th 七月 2025
20AQI
20AQI
30th 七月 2025
23AQI
23AQI
31st 七月 2025
22AQI
22AQI
1st 八月 2025
18AQI
18AQI
2nd 八月 2025
16AQI
16AQI
3rd 八月 2025
20AQI
20AQI
4th 八月 2025
26AQI
26AQI
5th 八月 2025
39AQI
39AQI
39AQI
26AQI
33AQI
21AQI
19AQI
22AQI
20AQI
24AQI
天数
一月二月三月四月五月六月七月八月九月十月十一月十二月总天数
202526AQI
26
5
28
24
7
30
31
30
31
5
205
12
最高AQI记录于
一月39AQI
最低AQI记录于
五月19AQI
202423AQI
31
29
31
30
31
29
31
31
27
3
30
1
27
3
31
358
7
最高AQI记录于
十一月32AQI
最低AQI记录于
五月16AQI
202324AQI
28
3
23
5
31
30
31
30
31
27
4
30
31
29
31
352
12
最高AQI记录于
二月32AQI
最低AQI记录于
六月19AQI
202229AQI
29
1
17
5
29
2
17
31
30
21
3
26
2
1
18
10
2
1
27
3
27
4
275
27
3
1
最高AQI记录于
十月55AQI
最低AQI记录于
五月15AQI
202131AQI
12
13
5
1
17
6
5
25
6
30
31
30
31
30
1
29
1
30
1
26
4
31
322
32
10
1
最高AQI记录于
一月67AQI
最低AQI记录于
五月18AQI
202037AQI
12
1
20
18
30
31
31
18
4
1
2
5
25
6
23
7
31
239
18
1
2
5
最高AQI记录于
九月112AQI
最低AQI记录于
六月17AQI
过去6年中污染最重与最轻的年份
污染最重的记录年份
2020(平均)
37AQI污染最轻的记录年份
2024(平均)
23AQIPortland的年度2025 AQI（26）相比之前几年的平均百分比变化为-7.5% (改善 AQI)：2020 (37), 2021 (31), 2022 (29), 2023 (24), 2024 (23)。
