Portland Postal Bldg., 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 Postal Bldg., Portland, Oregon, United States
2023
2024
2025
AQI
.
天数
AQI趋势：最高与最低
最高AQI记录于
31st Aug 2024
47AQI最低AQI记录于
31st Aug 2023
12AQI同日分析（11th August ）：
在过去3年的这一天，AQI差异显著：2025年排名为1st 最高，AQI为26，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：11th Aug - 12th Aug 2025
Portland Postal Bldg., Portland, Oregon, United States
AQI
天
夜晚
.
5 AM11th Aug 2025
8 PM
4 AM12th Aug 2025
白天时间
平均最高时间
3PM11th Aug
46AQI
平均最低时间
10AM11th Aug
24AQI
夜晚时间
平均最高时间
9PM11th Aug
28AQI
平均最低时间
10PM11th Aug
24AQI
在过去的24小时内，
Portland Postal Bldg.的AQI最高点为46，出现在天的3 PM；最低点为undefined，出现在夜晚的4 AM。
日夜AQI趋势：Jul - Aug 2025
Portland Postal Bldg., Portland, Oregon, United States
JulAug
13th - 14th14th - 15th15th - 16th16th - 17th17th - 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
天
夜晚
13th Jul 2025235 AMAQI
13th Jul 2025226 AMAQI
13th Jul 2025217 AMAQI
13th Jul 2025218 AMAQI
13th Jul 2025199 AMAQI
13th Jul 20251910 AMAQI
13th Jul 20252011 AMAQI
13th Jul 20252412 PMAQI
13th Jul 2025261 PMAQI
13th Jul 2025252 PMAQI
13th Jul 2025233 PMAQI
13th Jul 2025224 PMAQI
13th Jul 2025225 PMAQI
13th Jul 2025226 PMAQI
13th Jul 2025227 PMAQI
13th Jul 2025228 PMAQI
13th Jul 2025209 PMAQI
13th Jul 20252010 PMAQI
13th Jul 20252011 PMAQI
14th Jul 20252012 AMAQI
14th Jul 2025181 AMAQI
14th Jul 2025172 AMAQI
14th Jul 2025163 AMAQI
14th Jul 2025154 AMAQI
27°C19/36°C
14th Jul 2025155 AMAQI
14th Jul 2025156 AMAQI
14th Jul 2025167 AMAQI
14th Jul 2025168 AMAQI
14th Jul 2025159 AMAQI
14th Jul 20251410 AMAQI
14th Jul 20251411 AMAQI
14th Jul 20251612 PMAQI
14th Jul 2025211 PMAQI
14th Jul 2025192 PMAQI
14th Jul 2025163 PMAQI
14th Jul 2025144 PMAQI
14th Jul 2025155 PMAQI
14th Jul 2025156 PMAQI
14th Jul 2025177 PMAQI
14th Jul 2025188 PMAQI
14th Jul 2025189 PMAQI
14th Jul 20251810 PMAQI
14th Jul 20251811 PMAQI
15th Jul 20252012 AMAQI
15th Jul 2025211 AMAQI
15th Jul 2025182 AMAQI
15th Jul 2025183 AMAQI
15th Jul 2025204 AMAQI
21°C16/29°C
15th Jul 2025165 AMAQI
15th Jul 2025226 AMAQI
15th Jul 2025217 AMAQI
15th Jul 2025188 AMAQI
15th Jul 2025179 AMAQI
15th Jul 20252210 AMAQI
15th Jul 20252211 AMAQI
15th Jul 20252812 PMAQI
15th Jul 2025261 PMAQI
15th Jul 2025322 PMAQI
15th Jul 2025223 PMAQI
15th Jul 2025234 PMAQI
15th Jul 2025245 PMAQI
15th Jul 2025236 PMAQI
15th Jul 2025227 PMAQI
15th Jul 2025238 PMAQI
15th Jul 2025239 PMAQI
15th Jul 20252410 PMAQI
15th Jul 20252411 PMAQI
16th Jul 20252412 AMAQI
16th Jul 2025221 AMAQI
16th Jul 2025222 AMAQI
16th Jul 2025233 AMAQI
16th Jul 2025244 AMAQI
24°C15/35°C
16th Jul 2025245 AMAQI
16th Jul 2025276 AMAQI
16th Jul 2025247 AMAQI
16th Jul 2025248 AMAQI
16th Jul 2025209 AMAQI
16th Jul 20251910 AMAQI
16th Jul 20252511 AMAQI
16th Jul 20253012 PMAQI
16th Jul 2025281 PMAQI
16th Jul 2025282 PMAQI
16th Jul 2025263 PMAQI
16th Jul 2025274 PMAQI
16th Jul 2025265 PMAQI
16th Jul 2025266 PMAQI
16th Jul 2025257 PMAQI
16th Jul 2025248 PMAQI
16th Jul 2025249 PMAQI
16th Jul 20252410 PMAQI
16th Jul 20252511 PMAQI
17th Jul 20252412 AMAQI
17th Jul 2025241 AMAQI
17th Jul 2025242 AMAQI
17th Jul 2025263 AMAQI
17th Jul 2025334 AMAQI
29°C22/37°C
17th Jul 2025385 AMAQI
17th Jul 2025416 AMAQI
17th Jul 2025377 AMAQI
17th Jul 2025388 AMAQI
17th Jul 2025339 AMAQI
17th Jul 20252910 AMAQI
17th Jul 20253211 AMAQI
17th Jul 20253212 PMAQI
17th Jul 2025371 PMAQI
17th Jul 2025402 PMAQI
17th Jul 2025343 PMAQI
17th Jul 2025324 PMAQI
17th Jul 2025335 PMAQI
17th Jul 2025356 PMAQI
17th Jul 2025347 PMAQI
17th Jul 2025348 PMAQI
17th Jul 2025329 PMAQI
17th Jul 20253010 PMAQI
17th Jul 20253011 PMAQI
18th Jul 20252812 AMAQI
18th Jul 2025311 AMAQI
18th Jul 2025342 AMAQI
18th Jul 2025333 AMAQI
18th Jul 2025294 AMAQI
24°C16/32°C
18th Jul 2025385 AMAQI
18th Jul 2025416 AMAQI
18th Jul 2025347 AMAQI
18th Jul 2025418 AMAQI
18th Jul 2025369 AMAQI
18th Jul 20253010 AMAQI
18th Jul 20253411 AMAQI
18th Jul 20254312 PMAQI
18th Jul 2025421 PMAQI
18th Jul 2025362 PMAQI
18th Jul 2025353 PMAQI
18th Jul 2025354 PMAQI
18th Jul 2025345 PMAQI
18th Jul 2025356 PMAQI
18th Jul 2025347 PMAQI
18th Jul 2025358 PMAQI
18th Jul 2025329 PMAQI
18th Jul 20253110 PMAQI
18th Jul 20253311 PMAQI
19th Jul 20253012 AMAQI
19th Jul 2025301 AMAQI
19th Jul 2025312 AMAQI
19th Jul 2025293 AMAQI
19th Jul 2025154 AMAQI
22°C17/29°C
19th Jul 2025245 AMAQI
19th Jul 2025216 AMAQI
19th Jul 2025227 AMAQI
19th Jul 2025278 AMAQI
19th Jul 2025219 AMAQI
19th Jul 20252010 AMAQI
19th Jul 20252311 AMAQI
19th Jul 20251912 PMAQI
19th Jul 2025281 PMAQI
19th Jul 2025272 PMAQI
19th Jul 2025253 PMAQI
19th Jul 2025244 PMAQI
19th Jul 2025255 PMAQI
19th Jul 2025256 PMAQI
19th Jul 2025237 PMAQI
19th Jul 2025238 PMAQI
19th Jul 2025249 PMAQI
19th Jul 20252410 PMAQI
19th Jul 20252411 PMAQI
20th Jul 20252412 AMAQI
20th Jul 2025241 AMAQI
20th Jul 2025232 AMAQI
20th Jul 2025233 AMAQI
20th Jul 2025224 AMAQI
19°C15/25°C
20th Jul 2025185 AMAQI
20th Jul 2025176 AMAQI
20th Jul 2025267 AMAQI
20th Jul 2025228 AMAQI
20th Jul 2025209 AMAQI
20th Jul 20251710 AMAQI
20th Jul 20252111 AMAQI
20th Jul 20251812 PMAQI
20th Jul 2025191 PMAQI
20th Jul 2025202 PMAQI
20th Jul 2025223 PMAQI
20th Jul 2025224 PMAQI
20th Jul 2025225 PMAQI
20th Jul 2025226 PMAQI
20th Jul 2025217 PMAQI
20th Jul 2025208 PMAQI
20th Jul 2025229 PMAQI
20th Jul 20252110 PMAQI
20th Jul 20252111 PMAQI
21st Jul 20252212 AMAQI
21st Jul 2025221 AMAQI
21st Jul 2025232 AMAQI
21st Jul 2025263 AMAQI
21st Jul 2025304 AMAQI
18°C14/22°C
21st Jul 2025185 AMAQI
21st Jul 2025186 AMAQI
21st Jul 2025207 AMAQI
21st Jul 2025218 AMAQI
21st Jul 2025209 AMAQI
21st Jul 20252110 AMAQI
21st Jul 20252011 AMAQI
21st Jul 20252012 PMAQI
21st Jul 2025201 PMAQI
21st Jul 2025222 PMAQI
21st Jul 2025223 PMAQI
21st Jul 2025234 PMAQI
21st Jul 2025225 PMAQI
21st Jul 2025246 PMAQI
21st Jul 2025237 PMAQI
21st Jul 2025228 PMAQI
21st Jul 2025229 PMAQI
21st Jul 20252210 PMAQI
21st Jul 20252211 PMAQI
22nd Jul 20252212 AMAQI
22nd Jul 2025231 AMAQI
22nd Jul 2025222 AMAQI
22nd Jul 2025203 AMAQI
22nd Jul 2025184 AMAQI
20°C16/23°C
22nd Jul 2025205 AMAQI
22nd Jul 2025246 AMAQI
22nd Jul 2025227 AMAQI
22nd Jul 2025258 AMAQI
22nd Jul 2025269 AMAQI
22nd Jul 20252710 AMAQI
22nd Jul 20252711 AMAQI
22nd Jul 20252412 PMAQI
22nd Jul 2025191 PMAQI
22nd Jul 2025232 PMAQI
22nd Jul 2025233 PMAQI
22nd Jul 2025264 PMAQI
22nd Jul 2025245 PMAQI
22nd Jul 2025226 PMAQI
22nd Jul 2025227 PMAQI
22nd Jul 2025228 PMAQI
22nd Jul 2025239 PMAQI
22nd Jul 20252410 PMAQI
22nd Jul 20252211 PMAQI
23rd Jul 20252212 AMAQI
23rd Jul 2025211 AMAQI
23rd Jul 2025212 AMAQI
23rd Jul 2025203 AMAQI
23rd Jul 2025174 AMAQI
22°C15/30°C
23rd Jul 2025265 AMAQI
23rd Jul 2025146 AMAQI
23rd Jul 2025167 AMAQI
23rd Jul 2025178 AMAQI
23rd Jul 2025189 AMAQI
23rd Jul 20251910 AMAQI
23rd Jul 20252011 AMAQI
23rd Jul 20252312 PMAQI
23rd Jul 2025271 PMAQI
23rd Jul 2025242 PMAQI
23rd Jul 2025243 PMAQI
23rd Jul 2025244 PMAQI
23rd Jul 2025255 PMAQI
23rd Jul 2025246 PMAQI
23rd Jul 2025227 PMAQI
23rd Jul 2025228 PMAQI
23rd Jul 2025229 PMAQI
23rd Jul 20252210 PMAQI
23rd Jul 20252111 PMAQI
24th Jul 20252012 AMAQI
24th Jul 2025201 AMAQI
24th Jul 2025202 AMAQI
24th Jul 2025193 AMAQI
24th Jul 2025164 AMAQI
24°C17/34°C
24th Jul 2025165 AMAQI
24th Jul 2025216 AMAQI
24th Jul 2025187 AMAQI
24th Jul 2025178 AMAQI
24th Jul 2025169 AMAQI
24th Jul 20251510 AMAQI
24th Jul 20251611 AMAQI
24th Jul 20251712 PMAQI
24th Jul 2025201 PMAQI
24th Jul 2025232 PMAQI
24th Jul 2025203 PMAQI
24th Jul 2025214 PMAQI
24th Jul 2025225 PMAQI
24th Jul 2025246 PMAQI
24th Jul 2025207 PMAQI
24th Jul 2025218 PMAQI
24th Jul 2025239 PMAQI
24th Jul 20252210 PMAQI
24th Jul 20252011 PMAQI
25th Jul 20251912 AMAQI
25th Jul 2025191 AMAQI
25th Jul 2025182 AMAQI
25th Jul 2025193 AMAQI
25th Jul 2025274 AMAQI
23°C17/31°C
25th Jul 2025265 AMAQI
25th Jul 2025226 AMAQI
25th Jul 2025217 AMAQI
25th Jul 2025188 AMAQI
25th Jul 2025189 AMAQI
25th Jul 20251610 AMAQI
25th Jul 20251611 AMAQI
25th Jul 20251612 PMAQI
25th Jul 2025181 PMAQI
25th Jul 2025222 PMAQI
25th Jul 2025203 PMAQI
25th Jul 2025204 PMAQI
25th Jul 2025205 PMAQI
25th Jul 2025206 PMAQI
25th Jul 2025197 PMAQI
25th Jul 2025208 PMAQI
25th Jul 2025219 PMAQI
25th Jul 20252210 PMAQI
25th Jul 20252111 PMAQI
26th Jul 20251912 AMAQI
26th Jul 2025181 AMAQI
26th Jul 2025182 AMAQI
26th Jul 2025183 AMAQI
26th Jul 2025164 AMAQI
19°C15/24°C
26th Jul 2025175 AMAQI
26th Jul 2025206 AMAQI
26th Jul 2025177 AMAQI
26th Jul 2025168 AMAQI
26th Jul 2025159 AMAQI
26th Jul 20251510 AMAQI
26th Jul 20251511 AMAQI
26th Jul 20251612 PMAQI
26th Jul 2025191 PMAQI
26th Jul 2025162 PMAQI
26th Jul 2025183 PMAQI
26th Jul 2025184 PMAQI
26th Jul 2025185 PMAQI
26th Jul 2025176 PMAQI
26th Jul 2025187 PMAQI
26th Jul 2025188 PMAQI
26th Jul 2025189 PMAQI
26th Jul 20251810 PMAQI
26th Jul 20251911 PMAQI
27th Jul 20251912 AMAQI
27th Jul 2025181 AMAQI
27th Jul 2025192 AMAQI
27th Jul 2025183 AMAQI
27th Jul 2025214 AMAQI
17°C14/21°C
27th Jul 2025265 AMAQI
27th Jul 2025266 AMAQI
27th Jul 2025227 AMAQI
27th Jul 2025208 AMAQI
27th Jul 2025209 AMAQI
27th Jul 20251910 AMAQI
27th Jul 20251911 AMAQI
27th Jul 20252212 PMAQI
27th Jul 2025311 PMAQI
27th Jul 2025282 PMAQI
27th Jul 2025243 PMAQI
27th Jul 2025254 PMAQI
27th Jul 2025225 PMAQI
27th Jul 2025216 PMAQI
27th Jul 2025227 PMAQI
27th Jul 2025228 PMAQI
27th Jul 2025229 PMAQI
27th Jul 20252010 PMAQI
27th Jul 20252111 PMAQI
28th Jul 20252112 AMAQI
28th Jul 2025221 AMAQI
28th Jul 2025222 AMAQI
28th Jul 2025203 AMAQI
28th Jul 2025184 AMAQI
20°C15/28°C
28th Jul 2025215 AMAQI
28th Jul 2025226 AMAQI
28th Jul 2025197 AMAQI
28th Jul 2025198 AMAQI
28th Jul 2025209 AMAQI
28th Jul 20251810 AMAQI
28th Jul 20252011 AMAQI
28th Jul 20252312 PMAQI
28th Jul 2025221 PMAQI
28th Jul 2025242 PMAQI
28th Jul 2025223 PMAQI
28th Jul 2025234 PMAQI
28th Jul 2025225 PMAQI
28th Jul 2025226 PMAQI
28th Jul 2025227 PMAQI
28th Jul 2025228 PMAQI
28th Jul 2025239 PMAQI
28th Jul 20252310 PMAQI
28th Jul 20252211 PMAQI
29th Jul 20252012 AMAQI
29th Jul 2025211 AMAQI
29th Jul 2025202 AMAQI
29th Jul 2025183 AMAQI
29th Jul 2025164 AMAQI
22°C15/31°C
29th Jul 2025165 AMAQI
29th Jul 2025206 AMAQI
29th Jul 2025177 AMAQI
29th Jul 2025178 AMAQI
29th Jul 2025179 AMAQI
29th Jul 20251710 AMAQI
29th Jul 20252011 AMAQI
29th Jul 20252212 PMAQI
29th Jul 2025181 PMAQI
29th Jul 2025222 PMAQI
29th Jul 2025193 PMAQI
29th Jul 2025204 PMAQI
29th Jul 2025215 PMAQI
29th Jul 2025216 PMAQI
29th Jul 2025207 PMAQI
29th Jul 2025208 PMAQI
29th Jul 2025219 PMAQI
29th Jul 20252110 PMAQI
29th Jul 20252111 PMAQI
30th Jul 20252212 AMAQI
30th Jul 2025221 AMAQI
30th Jul 2025222 AMAQI
30th Jul 2025223 AMAQI
30th Jul 2025204 AMAQI
25°C17/35°C
30th Jul 2025235 AMAQI
30th Jul 2025216 AMAQI
30th Jul 2025247 AMAQI
30th Jul 2025188 AMAQI
30th Jul 2025189 AMAQI
30th Jul 20251810 AMAQI
30th Jul 20251811 AMAQI
30th Jul 20251912 PMAQI
30th Jul 2025201 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 2025269 PMAQI
30th Jul 20252410 PMAQI
30th Jul 20252211 PMAQI
31st Jul 20252312 AMAQI
31st Jul 2025211 AMAQI
31st Jul 2025222 AMAQI
31st Jul 2025193 AMAQI
31st Jul 2025184 AMAQI
24°C18/32°C
31st Jul 2025175 AMAQI
31st Jul 2025196 AMAQI
31st Jul 2025227 AMAQI
31st Jul 2025228 AMAQI
31st Jul 2025199 AMAQI
31st Jul 20252210 AMAQI
31st Jul 20252711 AMAQI
31st Jul 20253012 PMAQI
31st Jul 2025301 PMAQI
31st Jul 2025252 PMAQI
31st Jul 2025223 PMAQI
31st Jul 2025234 PMAQI
31st Jul 2025225 PMAQI
31st Jul 2025206 PMAQI
31st Jul 2025257 PMAQI
31st Jul 2025258 PMAQI
31st Jul 2025219 PMAQI
31st Jul 20252110 PMAQI
31st Jul 20252211 PMAQI
1st Aug 20251912 AMAQI
1st Aug 2025181 AMAQI
1st Aug 2025182 AMAQI
1st Aug 2025213 AMAQI
1st Aug 2025204 AMAQI
22°C17/30°C
1st Aug 2025185 AMAQI
1st Aug 2025186 AMAQI
1st Aug 2025177 AMAQI
1st Aug 2025168 AMAQI
1st Aug 2025149 AMAQI
1st Aug 20251510 AMAQI
1st Aug 20251611 AMAQI
1st Aug 20251612 PMAQI
1st Aug 2025171 PMAQI
1st Aug 2025182 PMAQI
1st Aug 2025203 PMAQI
1st Aug 2025204 PMAQI
1st Aug 2025205 PMAQI
1st Aug 2025196 PMAQI
1st Aug 2025187 PMAQI
1st Aug 2025188 PMAQI
1st Aug 2025189 PMAQI
1st Aug 20251810 PMAQI
1st Aug 20251911 PMAQI
2nd Aug 20252012 AMAQI
2nd Aug 2025181 AMAQI
2nd Aug 2025172 AMAQI
2nd Aug 2025183 AMAQI
2nd Aug 2025184 AMAQI
22°C17/30°C
2nd Aug 2025175 AMAQI
2nd Aug 2025166 AMAQI
2nd Aug 2025187 AMAQI
2nd Aug 2025168 AMAQI
2nd Aug 2025159 AMAQI
2nd Aug 20251510 AMAQI
2nd Aug 20251511 AMAQI
2nd Aug 20251412 PMAQI
2nd Aug 2025151 PMAQI
2nd Aug 2025142 PMAQI
2nd Aug 2025143 PMAQI
2nd Aug 2025144 PMAQI
2nd Aug 2025155 PMAQI
2nd Aug 2025146 PMAQI
2nd Aug 2025177 PMAQI
2nd Aug 2025178 PMAQI
2nd Aug 2025179 PMAQI
2nd Aug 20251810 PMAQI
2nd Aug 20252211 PMAQI
3rd Aug 20252412 AMAQI
3rd Aug 2025261 AMAQI
3rd Aug 2025262 AMAQI
3rd Aug 2025243 AMAQI
3rd Aug 2025254 AMAQI
19°C17/22°C
3rd Aug 2025235 AMAQI
3rd Aug 2025226 AMAQI
3rd Aug 2025217 AMAQI
3rd Aug 2025208 AMAQI
3rd Aug 2025189 AMAQI
3rd Aug 20251710 AMAQI
3rd Aug 20251711 AMAQI
3rd Aug 20251612 PMAQI
3rd Aug 2025161 PMAQI
3rd Aug 2025172 PMAQI
3rd Aug 2025163 PMAQI
3rd Aug 2025184 PMAQI
3rd Aug 2025225 PMAQI
3rd Aug 2025226 PMAQI
3rd Aug 2025217 PMAQI
3rd Aug 2025258 PMAQI
3rd Aug 2025279 PMAQI
3rd Aug 20252310 PMAQI
3rd Aug 20252411 PMAQI
4th Aug 20252312 AMAQI
4th Aug 2025241 AMAQI
4th Aug 2025262 AMAQI
4th Aug 2025243 AMAQI
4th Aug 2025224 AMAQI
18°C15/22°C
4th Aug 2025215 AMAQI
4th Aug 2025206 AMAQI
4th Aug 2025217 AMAQI
4th Aug 2025228 AMAQI
4th Aug 2025229 AMAQI
4th Aug 20252010 AMAQI
4th Aug 20252011 AMAQI
4th Aug 20252012 PMAQI
4th Aug 2025251 PMAQI
4th Aug 2025232 PMAQI
4th Aug 2025223 PMAQI
4th Aug 2025254 PMAQI
4th Aug 2025265 PMAQI
4th Aug 2025326 PMAQI
4th Aug 2025207 PMAQI
4th Aug 2025308 PMAQI
4th Aug 2025399 PMAQI
4th Aug 20254410 PMAQI
4th Aug 20255011 PMAQI
5th Aug 20254912 AMAQI
5th Aug 2025441 AMAQI
5th Aug 2025412 AMAQI
5th Aug 2025383 AMAQI
5th Aug 2025384 AMAQI
19°C16/24°C
5th Aug 2025385 AMAQI
5th Aug 2025386 AMAQI
5th Aug 2025347 AMAQI
5th Aug 2025288 AMAQI
5th Aug 2025299 AMAQI
5th Aug 20253410 AMAQI
5th Aug 20253411 AMAQI
5th Aug 20253412 PMAQI
5th Aug 2025381 PMAQI
5th Aug 2025402 PMAQI
5th Aug 2025453 PMAQI
5th Aug 2025474 PMAQI
5th Aug 2025465 PMAQI
5th Aug 2025446 PMAQI
5th Aug 2025407 PMAQI
5th Aug 2025398 PMAQI
5th Aug 2025339 PMAQI
5th Aug 20253110 PMAQI
5th Aug 20253211 PMAQI
6th Aug 20253012 AMAQI
6th Aug 2025251 AMAQI
6th Aug 2025222 AMAQI
6th Aug 2025213 AMAQI
6th Aug 2025214 AMAQI
21°C15/29°C
6th Aug 2025235 AMAQI
6th Aug 2025206 AMAQI
6th Aug 2025187 AMAQI
6th Aug 2025208 AMAQI
6th Aug 2025229 AMAQI
6th Aug 20252010 AMAQI
6th Aug 20252011 AMAQI
6th Aug 20252212 PMAQI
6th Aug 2025241 PMAQI
6th Aug 2025182 PMAQI
6th Aug 2025203 PMAQI
6th Aug 2025184 PMAQI
6th Aug 2025185 PMAQI
6th Aug 2025166 PMAQI
6th Aug 2025227 PMAQI
6th Aug 2025208 PMAQI
6th Aug 2025179 PMAQI
6th Aug 20251610 PMAQI
6th Aug 20252011 PMAQI
7th Aug 20251812 AMAQI
7th Aug 2025211 AMAQI
7th Aug 2025192 AMAQI
7th Aug 2025183 AMAQI
7th Aug 2025144 AMAQI
20°C16/24°C
7th Aug 2025175 AMAQI
7th Aug 2025246 AMAQI
7th Aug 2025187 AMAQI
7th Aug 2025188 AMAQI
7th Aug 2025209 AMAQI
7th Aug 20251610 AMAQI
7th Aug 20251611 AMAQI
7th Aug 20251612 PMAQI
7th Aug 2025171 PMAQI
7th Aug 2025192 PMAQI
7th Aug 2025163 PMAQI
7th Aug 2025184 PMAQI
7th Aug 2025185 PMAQI
7th Aug 2025186 PMAQI
7th Aug 2025167 PMAQI
7th Aug 2025178 PMAQI
7th Aug 2025189 PMAQI
7th Aug 20251810 PMAQI
7th Aug 20252011 PMAQI
8th Aug 20251812 AMAQI
8th Aug 2025181 AMAQI
8th Aug 2025202 AMAQI
8th Aug 2025183 AMAQI
8th Aug 2025174 AMAQI
20°C16/24°C
8th Aug 2025145 AMAQI
8th Aug 2025176 AMAQI
8th Aug 2025187 AMAQI
8th Aug 2025168 AMAQI
8th Aug 2025209 AMAQI
8th Aug 20251610 AMAQI
8th Aug 20251811 AMAQI
8th Aug 20252112 PMAQI
8th Aug 2025211 PMAQI
8th Aug 2025212 PMAQI
8th Aug 2025203 PMAQI
8th Aug 2025204 PMAQI
8th Aug 2025195 PMAQI
8th Aug 2025206 PMAQI
8th Aug 2025207 PMAQI
8th Aug 2025188 PMAQI
8th Aug 2025179 PMAQI
8th Aug 20251910 PMAQI
8th Aug 20252011 PMAQI
9th Aug 20251912 AMAQI
9th Aug 2025191 AMAQI
9th Aug 2025192 AMAQI
9th Aug 2025193 AMAQI
9th Aug 2025204 AMAQI
21°C15/29°C
9th Aug 2025225 AMAQI
9th Aug 2025186 AMAQI
9th Aug 2025227 AMAQI
9th Aug 2025198 AMAQI
9th Aug 2025209 AMAQI
9th Aug 20251610 AMAQI
9th Aug 20252211 AMAQI
9th Aug 20252412 PMAQI
9th Aug 2025201 PMAQI
9th Aug 2025202 PMAQI
9th Aug 2025223 PMAQI
9th Aug 2025214 PMAQI
9th Aug 2025215 PMAQI
9th Aug 2025226 PMAQI
9th Aug 2025227 PMAQI
9th Aug 2025228 PMAQI
9th Aug 2025229 PMAQI
9th Aug 20252210 PMAQI
9th Aug 20252311 PMAQI
10th Aug 20252212 AMAQI
10th Aug 2025231 AMAQI
10th Aug 2025242 AMAQI
10th Aug 2025253 AMAQI
10th Aug 2025244 AMAQI
23°C16/32°C
10th Aug 2025245 AMAQI
10th Aug 2025326 AMAQI
10th Aug 2025207 AMAQI
10th Aug 2025238 AMAQI
10th Aug 2025219 AMAQI
10th Aug 20252310 AMAQI
10th Aug 20252811 AMAQI
10th Aug 20252612 PMAQI
10th Aug 2025251 PMAQI
10th Aug 2025312 PMAQI
10th Aug 2025273 PMAQI
10th Aug 2025284 PMAQI
10th Aug 2025285 PMAQI
10th Aug 2025286 PMAQI
10th Aug 2025277 PMAQI
10th Aug 2025268 PMAQI
10th Aug 2025289 PMAQI
10th Aug 20252610 PMAQI
10th Aug 20252611 PMAQI
11th Aug 20252412 AMAQI
11th Aug 2025231 AMAQI
11th Aug 2025252 AMAQI
11th Aug 2025283 AMAQI
11th Aug 2025264 AMAQI
28°C19/39°C
11th Aug 2025245 AMAQI
11th Aug 2025266 AMAQI
11th Aug 2025257 AMAQI
11th Aug 2025268 AMAQI
11th Aug 2025259 AMAQI
11th Aug 20252410 AMAQI
11th Aug 20253111 AMAQI
11th Aug 20253312 PMAQI
11th Aug 2025361 PMAQI
11th Aug 2025422 PMAQI
11th Aug 2025463 PMAQI
11th Aug 2025424 PMAQI
11th Aug 2025415 PMAQI
11th Aug 2025396 PMAQI
11th Aug 2025307 PMAQI
11th Aug 2025308 PMAQI
11th Aug 2025289 PMAQI
11th Aug 20252410 PMAQI
11th Aug 20252611 PMAQI
12th Aug 20252512 AMAQI
12th Aug 2025261 AMAQI
12th Aug 2025282 AMAQI
29°C21/38°C
5 AM
12 PM
8 PM
12 AM
4 AM
--°C/°C
白天时间
平均最高时间
11 AM - 8 PM
24AQI
10 小时 / 天
300 小时 / 月
平均最低时间
5 AM - 10 AM
21AQI
6 小时 / 天
180 小时 / 月
过去30天中，白天AQI最高值为11 AM到8 PM（平均24），最低值为5 AM到10 AM（平均21）。
夜晚时间
平均最高时间
9 PM - 11 PM
23AQI
3 小时 / 天
90 小时 / 月
平均最低时间
12 AM - 4 AM
22AQI
5 小时 / 天
150 小时 / 月
过去30天中，夜间AQI最高值为9 PM到11 PM（平均23），最低值为12 AM到4 AM（平均22）。
2025空气质量与天数对比
Portland Postal Bldg., Portland, Oregon, United States
2025
95%
212
5%
11
在2025年的最后224天中，不同AQI类别的总天数 (剩余 141 天)
良好
212 天数适中
11 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：95%
健康风险级别:
非常低
在2025年中，95%的224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 Postal Bldg., 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
32AQI
32AQI
2nd 一月 2025
22AQI
22AQI
3rd 一月 2025
29AQI
29AQI
4th 一月 2025
24AQI
24AQI
5th 一月 2025
23AQI
23AQI
6th 一月 2025
23AQI
23AQI
7th 一月 2025
27AQI
27AQI
8th 一月 2025
34AQI
34AQI
9th 一月 2025
33AQI
33AQI
10th 一月 2025
37AQI
37AQI
11th 一月 2025
21AQI
21AQI
12th 一月 2025
29AQI
29AQI
13th 一月 2025
38AQI
38AQI
14th 一月 2025
47AQI
47AQI
15th 一月 2025
50AQI
50AQI
16th 一月 2025
46AQI
46AQI
17th 一月 2025
45AQI
45AQI
18th 一月 2025
31AQI
31AQI
19th 一月 2025
48AQI
48AQI
20th 一月 2025
41AQI
41AQI
21st 一月 2025
57AQI
57AQI
22nd 一月 2025
56AQI
56AQI
23rd 一月 2025
51AQI
51AQI
24th 一月 2025
43AQI
43AQI
25th 一月 2025
38AQI
38AQI
26th 一月 2025
34AQI
34AQI
27th 一月 2025
33AQI
33AQI
28th 一月 2025
45AQI
45AQI
29th 一月 2025
56AQI
56AQI
30th 一月 2025
77AQI
77AQI
31st 一月 2025
38AQI
38AQI
1st 二月 2025
22AQI
22AQI
2nd 二月 2025
25AQI
25AQI
3rd 二月 2025
26AQI
26AQI
4th 二月 2025
38AQI
38AQI
5th 二月 2025
33AQI
33AQI
6th 二月 2025
28AQI
28AQI
7th 二月 2025
32AQI
32AQI
8th 二月 2025
27AQI
27AQI
9th 二月 2025
46AQI
46AQI
10th 二月 2025
30AQI
30AQI
11th 二月 2025
26AQI
26AQI
12th 二月 2025
24AQI
24AQI
13th 二月 2025
23AQI
23AQI
14th 二月 2025
27AQI
27AQI
15th 二月 2025
36AQI
36AQI
16th 二月 2025
23AQI
23AQI
17th 二月 2025
20AQI
20AQI
18th 二月 2025
22AQI
22AQI
19th 二月 2025
19AQI
19AQI
20th 二月 2025
21AQI
21AQI
21st 二月 2025
22AQI
22AQI
22nd 二月 2025
24AQI
24AQI
23rd 二月 2025
19AQI
19AQI
24th 二月 2025
23AQI
23AQI
25th 二月 2025
22AQI
22AQI
26th 二月 2025
23AQI
23AQI
27th 二月 2025
21AQI
21AQI
28th 二月 2025
29AQI
29AQI
1st 三月 2025
32AQI
32AQI
2nd 三月 2025
21AQI
21AQI
3rd 三月 2025
20AQI
20AQI
4th 三月 2025
36AQI
36AQI
5th 三月 2025
50AQI
50AQI
6th 三月 2025
70AQI
70AQI
7th 三月 2025
67AQI
67AQI
8th 三月 2025
74AQI
74AQI
9th 三月 2025
73AQI
73AQI
10th 三月 2025
62AQI
62AQI
11th 三月 2025
56AQI
56AQI
12th 三月 2025
42AQI
42AQI
13th 三月 2025
33AQI
33AQI
14th 三月 2025
31AQI
31AQI
15th 三月 2025
27AQI
27AQI
16th 三月 2025
24AQI
24AQI
17th 三月 2025
24AQI
24AQI
18th 三月 2025
21AQI
21AQI
19th 三月 2025
21AQI
21AQI
20th 三月 2025
16AQI
16AQI
21st 三月 2025
16AQI
16AQI
22nd 三月 2025
21AQI
21AQI
23rd 三月 2025
21AQI
21AQI
24th 三月 2025
19AQI
19AQI
25th 三月 2025
22AQI
22AQI
26th 三月 2025
23AQI
23AQI
27th 三月 2025
16AQI
16AQI
28th 三月 2025
18AQI
18AQI
29th 三月 2025
18AQI
18AQI
30th 三月 2025
22AQI
22AQI
31st 三月 2025
19AQI
19AQI
1st 四月 2025
20AQI
20AQI
2nd 四月 2025
18AQI
18AQI
3rd 四月 2025
22AQI
22AQI
4th 四月 2025
28AQI
28AQI
5th 四月 2025
20AQI
20AQI
6th 四月 2025
30AQI
30AQI
7th 四月 2025
15AQI
15AQI
8th 四月 2025
15AQI
15AQI
9th 四月 2025
16AQI
16AQI
10th 四月 2025
24AQI
24AQI
11th 四月 2025
16AQI
16AQI
12th 四月 2025
17AQI
17AQI
13th 四月 2025
18AQI
18AQI
14th 四月 2025
18AQI
18AQI
15th 四月 2025
20AQI
20AQI
16th 四月 2025
21AQI
21AQI
17th 四月 2025
18AQI
18AQI
18th 四月 2025
23AQI
23AQI
19th 四月 2025
22AQI
22AQI
20th 四月 2025
18AQI
18AQI
21st 四月 2025
17AQI
17AQI
22nd 四月 2025
16AQI
16AQI
23rd 四月 2025
23AQI
23AQI
24th 四月 2025
28AQI
28AQI
25th 四月 2025
38AQI
38AQI
26th 四月 2025
29AQI
29AQI
27th 四月 2025
24AQI
24AQI
28th 四月 2025
16AQI
16AQI
29th 四月 2025
18AQI
18AQI
30th 四月 2025
20AQI
20AQI
1st 五月 2025
29AQI
29AQI
2nd 五月 2025
27AQI
27AQI
3rd 五月 2025
16AQI
16AQI
4th 五月 2025
16AQI
16AQI
5th 五月 2025
20AQI
20AQI
6th 五月 2025
22AQI
22AQI
7th 五月 2025
24AQI
24AQI
8th 五月 2025
18AQI
18AQI
9th 五月 2025
26AQI
26AQI
10th 五月 2025
28AQI
28AQI
11th 五月 2025
16AQI
16AQI
12th 五月 2025
20AQI
20AQI
13th 五月 2025
18AQI
18AQI
14th 五月 2025
22AQI
22AQI
15th 五月 2025
19AQI
19AQI
16th 五月 2025
20AQI
20AQI
17th 五月 2025
17AQI
17AQI
18th 五月 2025
16AQI
16AQI
19th 五月 2025
18AQI
18AQI
20th 五月 2025
13AQI
13AQI
21st 五月 2025
15AQI
15AQI
22nd 五月 2025
23AQI
23AQI
23rd 五月 2025
18AQI
18AQI
24th 五月 2025
18AQI
18AQI
25th 五月 2025
19AQI
19AQI
26th 五月 2025
18AQI
18AQI
27th 五月 2025
21AQI
21AQI
28th 五月 2025
24AQI
24AQI
29th 五月 2025
17AQI
17AQI
30th 五月 2025
19AQI
19AQI
31st 五月 2025
21AQI
21AQI
1st 六月 2025
18AQI
18AQI
2nd 六月 2025
23AQI
23AQI
3rd 六月 2025
26AQI
26AQI
4th 六月 2025
16AQI
16AQI
5th 六月 2025
17AQI
17AQI
6th 六月 2025
20AQI
20AQI
7th 六月 2025
22AQI
22AQI
8th 六月 2025
38AQI
38AQI
9th 六月 2025
35AQI
35AQI
10th 六月 2025
37AQI
37AQI
11th 六月 2025
39AQI
39AQI
12th 六月 2025
34AQI
34AQI
13th 六月 2025
23AQI
23AQI
14th 六月 2025
20AQI
20AQI
15th 六月 2025
22AQI
22AQI
16th 六月 2025
24AQI
24AQI
17th 六月 2025
22AQI
22AQI
18th 六月 2025
16AQI
16AQI
19th 六月 2025
16AQI
16AQI
20th 六月 2025
18AQI
18AQI
21st 六月 2025
19AQI
19AQI
22nd 六月 2025
18AQI
18AQI
23rd 六月 2025
21AQI
21AQI
24th 六月 2025
27AQI
27AQI
25th 六月 2025
26AQI
26AQI
26th 六月 2025
19AQI
19AQI
27th 六月 2025
16AQI
16AQI
28th 六月 2025
17AQI
17AQI
29th 六月 2025
18AQI
18AQI
30th 六月 2025
23AQI
23AQI
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
18AQI
18AQI
8th 七月 2025
21AQI
21AQI
9th 七月 2025
16AQI
16AQI
10th 七月 2025
15AQI
15AQI
11th 七月 2025
19AQI
19AQI
12th 七月 2025
18AQI
18AQI
13th 七月 2025
22AQI
22AQI
14th 七月 2025
17AQI
17AQI
15th 七月 2025
22AQI
22AQI
16th 七月 2025
24AQI
24AQI
17th 七月 2025
32AQI
32AQI
18th 七月 2025
34AQI
34AQI
19th 七月 2025
24AQI
24AQI
20th 七月 2025
21AQI
21AQI
21st 七月 2025
22AQI
22AQI
22nd 七月 2025
23AQI
23AQI
23rd 七月 2025
21AQI
21AQI
24th 七月 2025
20AQI
20AQI
25th 七月 2025
20AQI
20AQI
26th 七月 2025
17AQI
17AQI
27th 七月 2025
22AQI
22AQI
28th 七月 2025
21AQI
21AQI
29th 七月 2025
19AQI
19AQI
30th 七月 2025
24AQI
24AQI
31st 七月 2025
22AQI
22AQI
1st 八月 2025
18AQI
18AQI
2nd 八月 2025
17AQI
17AQI
3rd 八月 2025
22AQI
22AQI
4th 八月 2025
26AQI
26AQI
5th 八月 2025
38AQI
38AQI
6th 八月 2025
21AQI
21AQI
7th 八月 2025
18AQI
18AQI
8th 八月 2025
19AQI
19AQI
9th 八月 2025
21AQI
21AQI
10th 八月 2025
26AQI
26AQI
11th 八月 2025
26AQI
26AQI
39AQI
26AQI
33AQI
21AQI
20AQI
23AQI
21AQI
23AQI
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
25
6
30
31
30
31
11
212
11
最高AQI记录于
一月39AQI
最低AQI记录于
五月20AQI
202425AQI
16
1
2
1
12
29
31
31
26
1
30
1
27
3
31
237
5
最高AQI记录于
二月42AQI
最低AQI记录于
四月4AQI
202324AQI
22
9
18
10
30
1
27
2
29
30
31
30
29
17
29
29
321
22
最高AQI记录于
二月41AQI
最低AQI记录于
十一月13AQI
202242AQI
18
10
2
1
17
12
1
23
8
58
30
3
1
最高AQI记录于
十月51AQI
最低AQI记录于
十二月37AQI
2021111AQI
7
11
3
10
3
1
6
2
3
10
12
9
12
3
最高AQI记录于
二月131AQI
最低AQI记录于
一月102AQI
202041AQI
12
1
20
18
30
31
30
1
8
3
1
1
6
22
5
20
10
29
2
220
22
1
1
6
最高AQI记录于
九月167AQI
最低AQI记录于
六月21AQI
过去6年中污染最重与最轻的年份
污染最重的记录年份
2021(平均)
111AQI污染最轻的记录年份
2023(平均)
24AQIPortland Postal Bldg.的年度2025 AQI（26）相比之前几年的平均百分比变化为-28.002% (改善 AQI)：2020 (41), 2021 (111), 2022 (42), 2023 (24), 2024 (25)。
