Alta Sierra, California, 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
Alta Sierra, California, United States
2021
2022
2023
2024
2025
AQI
.
天数
AQI趋势：最高与最低
最高AQI记录于
6th Aug 2021
223AQI最低AQI记录于
24th Aug 2024
20AQI同日分析（10th August ）：
在过去5年的这一天，AQI差异显著：2025年排名为4th 最高，AQI为33，属于良好空气质量，比2024、2023和2021年有所改善。
下载2024年度数据
全球空气质量报告
日夜AQI趋势：10th Aug - 11th Aug 2025
Alta Sierra, California, United States
AQI
天
夜晚
.
6 AM10th Aug 2025
8 PM
5 AM11th Aug 2025
白天时间
平均最高时间
7AM10th Aug
37AQI
平均最低时间
6PM10th Aug
31AQI
夜晚时间
平均最高时间
5AM11th Aug
43AQI
平均最低时间
3AM11th Aug
28AQI
在过去的24小时内，
Alta Sierra的AQI最高点为43，出现在夜晚的5 AM；最低点为28，出现在夜晚的3 AM。
日夜AQI趋势：Jul - Aug 2025
Alta Sierra, California, United States
JulAug
12th - 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 - 07th07th - 08th08th - 09th09th - 10th10th - 11th11th
天
夜晚
12th Jul 2025616 AMAQI
12th Jul 2025607 AMAQI
12th Jul 2025668 AMAQI
12th Jul 2025619 AMAQI
12th Jul 20256010 AMAQI
12th Jul 20256011 AMAQI
12th Jul 20255812 PMAQI
12th Jul 2025601 PMAQI
12th Jul 2025602 PMAQI
12th Jul 2025593 PMAQI
12th Jul 2025614 PMAQI
12th Jul 2025595 PMAQI
12th Jul 2025586 PMAQI
12th Jul 2025597 PMAQI
12th Jul 2025608 PMAQI
12th Jul 2025589 PMAQI
12th Jul 20255710 PMAQI
12th Jul 20255811 PMAQI
13th Jul 20255812 AMAQI
13th Jul 2025581 AMAQI
13th Jul 2025582 AMAQI
13th Jul 2025593 AMAQI
13th Jul 2025634 AMAQI
13th Jul 2025605 AMAQI
--°C/°C
13th Jul 2025586 AMAQI
13th Jul 2025587 AMAQI
13th Jul 2025608 AMAQI
13th Jul 2025629 AMAQI
13th Jul 20256210 AMAQI
13th Jul 20255911 AMAQI
13th Jul 20256012 PMAQI
13th Jul 2025621 PMAQI
13th Jul 2025612 PMAQI
13th Jul 2025593 PMAQI
13th Jul 2025604 PMAQI
13th Jul 2025605 PMAQI
13th Jul 2025586 PMAQI
13th Jul 2025587 PMAQI
13th Jul 2025578 PMAQI
13th Jul 2025569 PMAQI
13th Jul 20255610 PMAQI
13th Jul 20255611 PMAQI
14th Jul 20255712 AMAQI
14th Jul 2025551 AMAQI
14th Jul 2025552 AMAQI
14th Jul 2025553 AMAQI
14th Jul 2025504 AMAQI
14th Jul 2025475 AMAQI
30°C23/38°C
14th Jul 2025476 AMAQI
14th Jul 2025557 AMAQI
14th Jul 2025538 AMAQI
14th Jul 2025539 AMAQI
14th Jul 20255510 AMAQI
14th Jul 20255711 AMAQI
14th Jul 20255712 PMAQI
14th Jul 2025571 PMAQI
14th Jul 2025562 PMAQI
14th Jul 2025553 PMAQI
14th Jul 2025554 PMAQI
14th Jul 2025545 PMAQI
14th Jul 2025546 PMAQI
14th Jul 2025547 PMAQI
14th Jul 2025538 PMAQI
14th Jul 2025529 PMAQI
14th Jul 20255210 PMAQI
14th Jul 20255211 PMAQI
15th Jul 20255212 AMAQI
15th Jul 2025521 AMAQI
15th Jul 2025522 AMAQI
15th Jul 2025523 AMAQI
15th Jul 2025464 AMAQI
15th Jul 2025535 AMAQI
31°C24/38°C
15th Jul 2025486 AMAQI
15th Jul 2025477 AMAQI
15th Jul 2025448 AMAQI
15th Jul 2025419 AMAQI
15th Jul 20254010 AMAQI
15th Jul 20254211 AMAQI
15th Jul 20254312 PMAQI
15th Jul 2025421 PMAQI
15th Jul 2025462 PMAQI
15th Jul 2025503 PMAQI
15th Jul 2025484 PMAQI
15th Jul 2025485 PMAQI
15th Jul 2025506 PMAQI
15th Jul 2025477 PMAQI
15th Jul 2025488 PMAQI
15th Jul 2025499 PMAQI
15th Jul 20254610 PMAQI
15th Jul 20254711 PMAQI
16th Jul 20254912 AMAQI
16th Jul 2025471 AMAQI
16th Jul 2025482 AMAQI
16th Jul 2025423 AMAQI
16th Jul 2025284 AMAQI
16th Jul 2025285 AMAQI
28°C21/36°C
16th Jul 2025306 AMAQI
16th Jul 2025417 AMAQI
16th Jul 2025478 AMAQI
16th Jul 2025469 AMAQI
16th Jul 20254010 AMAQI
16th Jul 20254111 AMAQI
16th Jul 20254212 PMAQI
16th Jul 2025401 PMAQI
16th Jul 2025432 PMAQI
16th Jul 2025443 PMAQI
16th Jul 2025414 PMAQI
16th Jul 2025415 PMAQI
16th Jul 2025416 PMAQI
16th Jul 2025437 PMAQI
16th Jul 2025428 PMAQI
16th Jul 2025379 PMAQI
16th Jul 20253410 PMAQI
16th Jul 20253511 PMAQI
17th Jul 20253312 AMAQI
17th Jul 2025341 AMAQI
17th Jul 2025382 AMAQI
17th Jul 2025363 AMAQI
17th Jul 2025304 AMAQI
17th Jul 2025315 AMAQI
25°C19/33°C
17th Jul 2025356 AMAQI
17th Jul 2025407 AMAQI
17th Jul 2025388 AMAQI
17th Jul 2025299 AMAQI
17th Jul 20253010 AMAQI
17th Jul 20253811 AMAQI
17th Jul 20253912 PMAQI
17th Jul 2025351 PMAQI
17th Jul 2025352 PMAQI
17th Jul 2025353 PMAQI
17th Jul 2025344 PMAQI
17th Jul 2025335 PMAQI
17th Jul 2025356 PMAQI
17th Jul 2025347 PMAQI
17th Jul 2025338 PMAQI
17th Jul 2025339 PMAQI
17th Jul 20253410 PMAQI
17th Jul 20253411 PMAQI
18th Jul 20253612 AMAQI
18th Jul 2025351 AMAQI
18th Jul 2025372 AMAQI
18th Jul 2025353 AMAQI
18th Jul 2025334 AMAQI
18th Jul 2025295 AMAQI
25°C18/33°C
18th Jul 2025316 AMAQI
18th Jul 2025347 AMAQI
18th Jul 2025338 AMAQI
18th Jul 2025359 AMAQI
18th Jul 20253910 AMAQI
18th Jul 20253811 AMAQI
18th Jul 20254212 PMAQI
18th Jul 2025421 PMAQI
18th Jul 2025412 PMAQI
18th Jul 2025383 PMAQI
18th Jul 2025384 PMAQI
18th Jul 2025405 PMAQI
18th Jul 2025386 PMAQI
18th Jul 2025377 PMAQI
18th Jul 2025368 PMAQI
18th Jul 2025349 PMAQI
18th Jul 20253410 PMAQI
18th Jul 20253511 PMAQI
19th Jul 20253812 AMAQI
19th Jul 2025391 AMAQI
19th Jul 2025382 AMAQI
19th Jul 2025393 AMAQI
19th Jul 2025414 AMAQI
19th Jul 2025385 AMAQI
27°C19/35°C
19th Jul 2025326 AMAQI
19th Jul 2025327 AMAQI
19th Jul 2025328 AMAQI
19th Jul 2025339 AMAQI
19th Jul 20253210 AMAQI
19th Jul 20253311 AMAQI
19th Jul 20253412 PMAQI
19th Jul 2025321 PMAQI
19th Jul 2025292 PMAQI
19th Jul 2025333 PMAQI
19th Jul 2025324 PMAQI
19th Jul 2025325 PMAQI
19th Jul 2025336 PMAQI
19th Jul 2025367 PMAQI
19th Jul 2025388 PMAQI
19th Jul 2025389 PMAQI
19th Jul 20253610 PMAQI
19th Jul 20253411 PMAQI
20th Jul 20253312 AMAQI
20th Jul 2025361 AMAQI
20th Jul 2025362 AMAQI
20th Jul 2025383 AMAQI
20th Jul 2025434 AMAQI
20th Jul 2025335 AMAQI
27°C20/36°C
20th Jul 2025266 AMAQI
20th Jul 2025267 AMAQI
20th Jul 2025278 AMAQI
20th Jul 2025319 AMAQI
20th Jul 20252910 AMAQI
20th Jul 20252811 AMAQI
20th Jul 20253012 PMAQI
20th Jul 2025321 PMAQI
20th Jul 2025322 PMAQI
20th Jul 2025353 PMAQI
20th Jul 2025354 PMAQI
20th Jul 2025365 PMAQI
20th Jul 2025346 PMAQI
20th Jul 2025327 PMAQI
20th Jul 2025338 PMAQI
20th Jul 2025349 PMAQI
20th Jul 20253010 PMAQI
20th Jul 20252911 PMAQI
21st Jul 20253012 AMAQI
21st Jul 2025321 AMAQI
21st Jul 2025352 AMAQI
21st Jul 2025343 AMAQI
21st Jul 2025314 AMAQI
21st Jul 2025275 AMAQI
27°C20/34°C
21st Jul 2025266 AMAQI
21st Jul 2025257 AMAQI
21st Jul 2025268 AMAQI
21st Jul 2025319 AMAQI
21st Jul 20253910 AMAQI
21st Jul 20254411 AMAQI
21st Jul 20254012 PMAQI
21st Jul 2025341 PMAQI
21st Jul 2025302 PMAQI
21st Jul 2025333 PMAQI
21st Jul 2025324 PMAQI
21st Jul 2025285 PMAQI
21st Jul 2025276 PMAQI
21st Jul 2025307 PMAQI
21st Jul 2025308 PMAQI
21st Jul 2025269 PMAQI
21st Jul 20252510 PMAQI
21st Jul 20252511 PMAQI
22nd Jul 20252612 AMAQI
22nd Jul 2025291 AMAQI
22nd Jul 2025322 AMAQI
22nd Jul 2025303 AMAQI
22nd Jul 2025214 AMAQI
22nd Jul 2025195 AMAQI
22°C17/29°C
22nd Jul 2025206 AMAQI
22nd Jul 2025207 AMAQI
22nd Jul 2025208 AMAQI
22nd Jul 2025209 AMAQI
22nd Jul 20252210 AMAQI
22nd Jul 20252211 AMAQI
22nd Jul 20252412 PMAQI
22nd Jul 2025301 PMAQI
22nd Jul 2025302 PMAQI
22nd Jul 2025283 PMAQI
22nd Jul 2025244 PMAQI
22nd Jul 2025225 PMAQI
22nd Jul 2025216 PMAQI
22nd Jul 2025237 PMAQI
22nd Jul 2025238 PMAQI
22nd Jul 2025229 PMAQI
22nd Jul 20252110 PMAQI
22nd Jul 20252011 PMAQI
23rd Jul 20252012 AMAQI
23rd Jul 2025221 AMAQI
23rd Jul 2025222 AMAQI
23rd Jul 2025213 AMAQI
23rd Jul 2025184 AMAQI
23rd Jul 2025175 AMAQI
21°C15/28°C
23rd Jul 2025206 AMAQI
23rd Jul 2025227 AMAQI
23rd Jul 2025168 AMAQI
23rd Jul 2025189 AMAQI
23rd Jul 20251810 AMAQI
23rd Jul 20252011 AMAQI
23rd Jul 20252312 PMAQI
23rd Jul 2025231 PMAQI
23rd Jul 2025232 PMAQI
23rd Jul 2025233 PMAQI
23rd Jul 2025224 PMAQI
23rd Jul 2025205 PMAQI
23rd Jul 2025196 PMAQI
23rd Jul 2025197 PMAQI
23rd Jul 2025208 PMAQI
23rd Jul 2025199 PMAQI
23rd Jul 20252010 PMAQI
23rd Jul 20252011 PMAQI
24th Jul 20252212 AMAQI
24th Jul 2025221 AMAQI
24th Jul 2025212 AMAQI
24th Jul 2025223 AMAQI
24th Jul 2025194 AMAQI
24th Jul 2025175 AMAQI
22°C16/30°C
24th Jul 2025156 AMAQI
24th Jul 2025177 AMAQI
24th Jul 2025198 AMAQI
24th Jul 2025249 AMAQI
24th Jul 20252010 AMAQI
24th Jul 20251811 AMAQI
24th Jul 20252212 PMAQI
24th Jul 2025281 PMAQI
24th Jul 2025292 PMAQI
24th Jul 2025243 PMAQI
24th Jul 2025234 PMAQI
24th Jul 2025215 PMAQI
24th Jul 2025216 PMAQI
24th Jul 2025217 PMAQI
24th Jul 2025238 PMAQI
24th Jul 2025229 PMAQI
24th Jul 20252210 PMAQI
24th Jul 20252211 PMAQI
25th Jul 20251912 AMAQI
25th Jul 2025181 AMAQI
25th Jul 2025182 AMAQI
25th Jul 2025203 AMAQI
25th Jul 2025264 AMAQI
25th Jul 2025265 AMAQI
23°C16/31°C
25th Jul 2025186 AMAQI
25th Jul 2025187 AMAQI
25th Jul 2025278 AMAQI
25th Jul 2025289 AMAQI
25th Jul 20252610 AMAQI
25th Jul 20253011 AMAQI
25th Jul 20252612 PMAQI
25th Jul 2025211 PMAQI
25th Jul 2025202 PMAQI
25th Jul 2025213 PMAQI
25th Jul 2025224 PMAQI
25th Jul 2025245 PMAQI
25th Jul 2025216 PMAQI
25th Jul 2025207 PMAQI
25th Jul 2025228 PMAQI
25th Jul 2025239 PMAQI
25th Jul 20252210 PMAQI
25th Jul 20252411 PMAQI
26th Jul 20252412 AMAQI
26th Jul 2025221 AMAQI
26th Jul 2025212 AMAQI
26th Jul 2025223 AMAQI
26th Jul 2025244 AMAQI
26th Jul 2025285 AMAQI
23°C17/31°C
26th Jul 2025276 AMAQI
26th Jul 2025247 AMAQI
26th Jul 2025228 AMAQI
26th Jul 2025209 AMAQI
26th Jul 20251810 AMAQI
26th Jul 20252011 AMAQI
26th Jul 20252312 PMAQI
26th Jul 2025301 PMAQI
26th Jul 2025302 PMAQI
26th Jul 2025263 PMAQI
26th Jul 2025244 PMAQI
26th Jul 2025225 PMAQI
26th Jul 2025206 PMAQI
26th Jul 2025217 PMAQI
26th Jul 2025248 PMAQI
26th Jul 2025219 PMAQI
26th Jul 20252010 PMAQI
26th Jul 20252111 PMAQI
27th Jul 20252212 AMAQI
27th Jul 2025231 AMAQI
27th Jul 2025232 AMAQI
27th Jul 2025243 AMAQI
27th Jul 2025264 AMAQI
27th Jul 2025275 AMAQI
23°C16/29°C
27th Jul 2025266 AMAQI
27th Jul 2025327 AMAQI
27th Jul 2025278 AMAQI
27th Jul 2025229 AMAQI
27th Jul 20252110 AMAQI
27th Jul 20252211 AMAQI
27th Jul 20252512 PMAQI
27th Jul 2025221 PMAQI
27th Jul 2025202 PMAQI
27th Jul 2025233 PMAQI
27th Jul 2025224 PMAQI
27th Jul 2025225 PMAQI
27th Jul 2025216 PMAQI
27th Jul 2025237 PMAQI
27th Jul 2025248 PMAQI
27th Jul 2025229 PMAQI
27th Jul 20252110 PMAQI
27th Jul 20252211 PMAQI
28th Jul 20252212 AMAQI
28th Jul 2025221 AMAQI
28th Jul 2025232 AMAQI
28th Jul 2025243 AMAQI
28th Jul 2025294 AMAQI
28th Jul 2025285 AMAQI
24°C17/31°C
28th Jul 2025236 AMAQI
28th Jul 2025287 AMAQI
28th Jul 2025338 AMAQI
28th Jul 2025299 AMAQI
28th Jul 20252610 AMAQI
28th Jul 20252411 AMAQI
28th Jul 20252212 PMAQI
28th Jul 2025221 PMAQI
28th Jul 2025222 PMAQI
28th Jul 2025253 PMAQI
28th Jul 2025324 PMAQI
28th Jul 2025265 PMAQI
28th Jul 2025246 PMAQI
28th Jul 2025247 PMAQI
28th Jul 2025248 PMAQI
28th Jul 2025229 PMAQI
28th Jul 20252210 PMAQI
28th Jul 20252211 PMAQI
29th Jul 20252312 AMAQI
29th Jul 2025251 AMAQI
29th Jul 2025262 AMAQI
29th Jul 2025263 AMAQI
29th Jul 2025254 AMAQI
29th Jul 2025215 AMAQI
26°C19/34°C
29th Jul 2025296 AMAQI
29th Jul 2025267 AMAQI
29th Jul 2025268 AMAQI
29th Jul 2025289 AMAQI
29th Jul 20252310 AMAQI
29th Jul 20252011 AMAQI
29th Jul 20252212 PMAQI
29th Jul 2025311 PMAQI
29th Jul 2025302 PMAQI
29th Jul 2025253 PMAQI
29th Jul 2025224 PMAQI
29th Jul 2025245 PMAQI
29th Jul 2025216 PMAQI
29th Jul 2025237 PMAQI
29th Jul 2025248 PMAQI
29th Jul 2025269 PMAQI
29th Jul 20252710 PMAQI
29th Jul 20252611 PMAQI
30th Jul 20252612 AMAQI
30th Jul 2025251 AMAQI
30th Jul 2025242 AMAQI
30th Jul 2025233 AMAQI
30th Jul 2025244 AMAQI
30th Jul 2025265 AMAQI
27°C20/35°C
30th Jul 2025226 AMAQI
30th Jul 2025227 AMAQI
30th Jul 2025248 AMAQI
30th Jul 2025299 AMAQI
30th Jul 20252910 AMAQI
30th Jul 20253111 AMAQI
30th Jul 20252812 PMAQI
30th Jul 2025221 PMAQI
30th Jul 2025262 PMAQI
30th Jul 2025273 PMAQI
30th Jul 2025274 PMAQI
30th Jul 2025275 PMAQI
30th Jul 2025276 PMAQI
30th Jul 2025277 PMAQI
30th Jul 2025278 PMAQI
30th Jul 2025259 PMAQI
30th Jul 20252210 PMAQI
30th Jul 20252411 PMAQI
31st Jul 20252412 AMAQI
31st Jul 2025241 AMAQI
31st Jul 2025232 AMAQI
31st Jul 2025213 AMAQI
31st Jul 2025204 AMAQI
31st Jul 2025195 AMAQI
26°C20/34°C
31st Jul 2025246 AMAQI
31st Jul 2025257 AMAQI
31st Jul 2025238 AMAQI
31st Jul 2025269 AMAQI
31st Jul 20253210 AMAQI
31st Jul 20253311 AMAQI
31st Jul 20253512 PMAQI
31st Jul 2025361 PMAQI
31st Jul 2025362 PMAQI
31st Jul 2025323 PMAQI
31st Jul 2025274 PMAQI
31st Jul 2025275 PMAQI
31st Jul 2025276 PMAQI
31st Jul 2025227 PMAQI
31st Jul 2025218 PMAQI
31st Jul 2025209 PMAQI
31st Jul 20251810 PMAQI
31st Jul 20252011 PMAQI
1st Aug 20252212 AMAQI
1st Aug 2025261 AMAQI
1st Aug 2025302 AMAQI
1st Aug 2025333 AMAQI
1st Aug 2025324 AMAQI
1st Aug 2025305 AMAQI
27°C19/35°C
1st Aug 2025286 AMAQI
1st Aug 2025267 AMAQI
1st Aug 2025308 AMAQI
1st Aug 2025299 AMAQI
1st Aug 20253210 AMAQI
1st Aug 20253211 AMAQI
1st Aug 20253012 PMAQI
1st Aug 2025291 PMAQI
1st Aug 2025302 PMAQI
1st Aug 2025263 PMAQI
1st Aug 2025244 PMAQI
1st Aug 2025235 PMAQI
1st Aug 2025256 PMAQI
1st Aug 2025267 PMAQI
1st Aug 2025258 PMAQI
1st Aug 2025259 PMAQI
1st Aug 20252410 PMAQI
1st Aug 20252611 PMAQI
2nd Aug 20252212 AMAQI
2nd Aug 2025221 AMAQI
2nd Aug 2025272 AMAQI
2nd Aug 2025303 AMAQI
2nd Aug 2025354 AMAQI
2nd Aug 2025395 AMAQI
27°C20/36°C
2nd Aug 2025416 AMAQI
2nd Aug 2025407 AMAQI
2nd Aug 2025388 AMAQI
2nd Aug 2025339 AMAQI
2nd Aug 20252810 AMAQI
2nd Aug 20252611 AMAQI
2nd Aug 20252912 PMAQI
2nd Aug 2025311 PMAQI
2nd Aug 2025292 PMAQI
2nd Aug 2025293 PMAQI
2nd Aug 2025284 PMAQI
2nd Aug 2025345 PMAQI
2nd Aug 2025386 PMAQI
2nd Aug 2025297 PMAQI
2nd Aug 2025258 PMAQI
2nd Aug 2025279 PMAQI
2nd Aug 20252610 PMAQI
2nd Aug 20252611 PMAQI
3rd Aug 20252612 AMAQI
3rd Aug 2025251 AMAQI
3rd Aug 2025272 AMAQI
3rd Aug 2025283 AMAQI
3rd Aug 2025274 AMAQI
3rd Aug 2025285 AMAQI
27°C19/35°C
3rd Aug 2025316 AMAQI
3rd Aug 2025327 AMAQI
3rd Aug 2025328 AMAQI
3rd Aug 2025319 AMAQI
3rd Aug 20253410 AMAQI
3rd Aug 20253411 AMAQI
3rd Aug 20253612 PMAQI
3rd Aug 2025371 PMAQI
3rd Aug 2025342 PMAQI
3rd Aug 2025313 PMAQI
3rd Aug 2025314 PMAQI
3rd Aug 2025305 PMAQI
3rd Aug 2025306 PMAQI
3rd Aug 2025347 PMAQI
3rd Aug 2025338 PMAQI
3rd Aug 2025349 PMAQI
3rd Aug 20254210 PMAQI
3rd Aug 20253411 PMAQI
4th Aug 20253212 AMAQI
4th Aug 2025321 AMAQI
4th Aug 2025362 AMAQI
4th Aug 2025423 AMAQI
4th Aug 2025414 AMAQI
4th Aug 2025425 AMAQI
27°C19/34°C
4th Aug 2025366 AMAQI
4th Aug 2025307 AMAQI
4th Aug 2025298 AMAQI
4th Aug 2025299 AMAQI
4th Aug 20252810 AMAQI
4th Aug 20253711 AMAQI
4th Aug 20254712 PMAQI
4th Aug 2025721 PMAQI
4th Aug 2025652 PMAQI
4th Aug 2025813 PMAQI
4th Aug 2025604 PMAQI
4th Aug 2025465 PMAQI
4th Aug 2025346 PMAQI
4th Aug 2025347 PMAQI
4th Aug 2025318 PMAQI
4th Aug 2025319 PMAQI
4th Aug 20253110 PMAQI
4th Aug 20253011 PMAQI
5th Aug 20253312 AMAQI
5th Aug 2025401 AMAQI
5th Aug 2025492 AMAQI
5th Aug 2025423 AMAQI
5th Aug 2025404 AMAQI
5th Aug 2025375 AMAQI
25°C18/31°C
5th Aug 2025336 AMAQI
5th Aug 2025327 AMAQI
5th Aug 2025308 AMAQI
5th Aug 2025319 AMAQI
5th Aug 20253310 AMAQI
5th Aug 20253411 AMAQI
5th Aug 20253512 PMAQI
5th Aug 2025291 PMAQI
5th Aug 2025302 PMAQI
5th Aug 2025283 PMAQI
5th Aug 2025304 PMAQI
5th Aug 2025345 PMAQI
5th Aug 2025316 PMAQI
5th Aug 2025347 PMAQI
5th Aug 2025318 PMAQI
5th Aug 2025269 PMAQI
5th Aug 20252810 PMAQI
5th Aug 20252911 PMAQI
6th Aug 20252812 AMAQI
6th Aug 2025261 AMAQI
6th Aug 2025272 AMAQI
6th Aug 2025283 AMAQI
6th Aug 2025314 AMAQI
6th Aug 2025295 AMAQI
25°C18/32°C
6th Aug 2025306 AMAQI
6th Aug 2025267 AMAQI
6th Aug 2025328 AMAQI
6th Aug 2025329 AMAQI
6th Aug 20253510 AMAQI
6th Aug 20253611 AMAQI
6th Aug 20253612 PMAQI
6th Aug 2025341 PMAQI
6th Aug 2025342 PMAQI
6th Aug 2025303 PMAQI
6th Aug 2025264 PMAQI
6th Aug 2025225 PMAQI
6th Aug 2025186 PMAQI
6th Aug 2025277 PMAQI
6th Aug 2025238 PMAQI
6th Aug 2025189 PMAQI
6th Aug 20251910 PMAQI
6th Aug 20252011 PMAQI
7th Aug 20252412 AMAQI
7th Aug 2025271 AMAQI
7th Aug 2025302 AMAQI
7th Aug 2025303 AMAQI
7th Aug 2025314 AMAQI
7th Aug 2025315 AMAQI
27°C20/35°C
7th Aug 2025266 AMAQI
7th Aug 2025257 AMAQI
7th Aug 2025258 AMAQI
7th Aug 2025259 AMAQI
7th Aug 20252810 AMAQI
7th Aug 20253211 AMAQI
7th Aug 20253012 PMAQI
7th Aug 2025291 PMAQI
7th Aug 2025312 PMAQI
7th Aug 2025313 PMAQI
7th Aug 2025304 PMAQI
7th Aug 2025275 PMAQI
7th Aug 2025276 PMAQI
7th Aug 2025317 PMAQI
7th Aug 2025308 PMAQI
7th Aug 2025259 PMAQI
7th Aug 20252610 PMAQI
7th Aug 20252611 PMAQI
8th Aug 20252712 AMAQI
8th Aug 2025301 AMAQI
8th Aug 2025312 AMAQI
8th Aug 2025333 AMAQI
8th Aug 2025304 AMAQI
8th Aug 2025245 AMAQI
29°C22/36°C
8th Aug 2025296 AMAQI
8th Aug 2025307 AMAQI
8th Aug 2025308 AMAQI
8th Aug 2025319 AMAQI
8th Aug 20253510 AMAQI
8th Aug 20253211 AMAQI
8th Aug 20253112 PMAQI
8th Aug 2025311 PMAQI
8th Aug 2025322 PMAQI
8th Aug 2025323 PMAQI
8th Aug 2025304 PMAQI
8th Aug 2025285 PMAQI
8th Aug 2025276 PMAQI
8th Aug 2025287 PMAQI
8th Aug 2025278 PMAQI
8th Aug 2025269 PMAQI
8th Aug 20252710 PMAQI
8th Aug 20252811 PMAQI
9th Aug 20252812 AMAQI
9th Aug 2025301 AMAQI
9th Aug 2025302 AMAQI
9th Aug 2025313 AMAQI
9th Aug 2025284 AMAQI
9th Aug 2025285 AMAQI
30°C22/38°C
9th Aug 2025346 AMAQI
9th Aug 2025357 AMAQI
9th Aug 2025348 AMAQI
9th Aug 2025329 AMAQI
9th Aug 20253110 AMAQI
9th Aug 20253111 AMAQI
9th Aug 20252912 PMAQI
9th Aug 2025311 PMAQI
9th Aug 2025302 PMAQI
9th Aug 2025323 PMAQI
9th Aug 2025294 PMAQI
9th Aug 2025315 PMAQI
9th Aug 2025306 PMAQI
9th Aug 2025327 PMAQI
9th Aug 2025328 PMAQI
9th Aug 2025289 PMAQI
9th Aug 20252810 PMAQI
9th Aug 20252911 PMAQI
10th Aug 20253012 AMAQI
10th Aug 2025331 AMAQI
10th Aug 2025362 AMAQI
10th Aug 2025333 AMAQI
10th Aug 2025314 AMAQI
10th Aug 2025365 AMAQI
32°C24/39°C
10th Aug 2025346 AMAQI
10th Aug 2025377 AMAQI
10th Aug 2025358 AMAQI
10th Aug 2025339 AMAQI
10th Aug 20253110 AMAQI
10th Aug 20253211 AMAQI
10th Aug 20253212 PMAQI
10th Aug 2025311 PMAQI
10th Aug 2025352 PMAQI
10th Aug 2025353 PMAQI
10th Aug 2025344 PMAQI
10th Aug 2025325 PMAQI
10th Aug 2025316 PMAQI
10th Aug 2025337 PMAQI
10th Aug 2025348 PMAQI
10th Aug 2025299 PMAQI
10th Aug 20253110 PMAQI
10th Aug 20252911 PMAQI
11th Aug 20253012 AMAQI
11th Aug 2025301 AMAQI
11th Aug 2025292 AMAQI
11th Aug 2025283 AMAQI
11th Aug 2025334 AMAQI
11th Aug 2025435 AMAQI
32°C24/40°C
11th Aug 2025436 AMAQI
6 AM11th Aug 2025427 AMAQI
11th Aug 2025458 AMAQI
11th Aug 2025509 AMAQI
11th Aug 20255210 AMAQI
11th Aug 20255411 AMAQI
11th Aug 20255312 PMAQI
11th Aug 2025491 PMAQI
1 PM11th Aug 2025472 PMAQI
11th Aug 2025423 PMAQI
11th Aug 2025374 PMAQI
11th Aug 2025385 PMAQI
11th Aug 2025356 PMAQI
11th Aug 2025387 PMAQI
11th Aug 2025328 PMAQI
8 PM11th Aug 2025349 PMAQI
11th Aug 20253910 PMAQI
11th Aug 20254411 PMAQI
1 AM
5 AM
31°C24/40°C
白天时间
平均最高时间
6 AM - 5 PM
34AQI
12 小时 / 天
360 小时 / 月
平均最低时间
6 PM - 8 PM
32AQI
3 小时 / 天
90 小时 / 月
过去30天中，白天AQI最高值为6 AM到5 PM（平均34），最低值为6 PM到8 PM（平均32）。
夜晚时间
平均最高时间
2 AM - 5 AM
34AQI
4 小时 / 天
120 小时 / 月
平均最低时间
9 PM - 11 PM
30AQI
3 小时 / 天
90 小时 / 月
过去30天中，夜间AQI最高值为2 AM到5 AM（平均34），最低值为9 PM到11 PM（平均30）。
2025空气质量与天数对比
Alta Sierra, California, United States
2025
98%
217
2%
5
在2025年的最后224天中，不同AQI类别的总天数 (剩余 141 天)
良好
217 天数适中
5 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：98%
健康风险级别:
非常低
在2025年中，98%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
Alta Sierra, California, 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
29AQI
29AQI
3rd 一月 2025
30AQI
30AQI
4th 一月 2025
24AQI
24AQI
5th 一月 2025
25AQI
25AQI
6th 一月 2025
26AQI
26AQI
7th 一月 2025
27AQI
27AQI
8th 一月 2025
28AQI
28AQI
9th 一月 2025
31AQI
31AQI
10th 一月 2025
33AQI
33AQI
11th 一月 2025
34AQI
34AQI
12th 一月 2025
28AQI
28AQI
13th 一月 2025
27AQI
27AQI
14th 一月 2025
28AQI
28AQI
15th 一月 2025
36AQI
36AQI
16th 一月 2025
33AQI
33AQI
17th 一月 2025
39AQI
39AQI
18th 一月 2025
43AQI
43AQI
19th 一月 2025
45AQI
45AQI
20th 一月 2025
34AQI
34AQI
21st 一月 2025
32AQI
32AQI
22nd 一月 2025
35AQI
35AQI
23rd 一月 2025
37AQI
37AQI
24th 一月 2025
34AQI
34AQI
25th 一月 2025
40AQI
40AQI
26th 一月 2025
28AQI
28AQI
27th 一月 2025
30AQI
30AQI
28th 一月 2025
43AQI
43AQI
29th 一月 2025
52AQI
52AQI
30th 一月 2025
55AQI
55AQI
31st 一月 2025
50AQI
50AQI
1st 二月 2025
24AQI
24AQI
2nd 二月 2025
23AQI
23AQI
3rd 二月 2025
23AQI
23AQI
4th 二月 2025
26AQI
26AQI
5th 二月 2025
27AQI
27AQI
6th 二月 2025
25AQI
25AQI
7th 二月 2025
32AQI
32AQI
8th 二月 2025
25AQI
25AQI
9th 二月 2025
28AQI
28AQI
10th 二月 2025
31AQI
31AQI
11th 二月 2025
35AQI
35AQI
12th 二月 2025
35AQI
35AQI
13th 二月 2025
30AQI
30AQI
14th 二月 2025
29AQI
29AQI
15th 二月 2025
29AQI
29AQI
16th 二月 2025
27AQI
27AQI
17th 二月 2025
27AQI
27AQI
18th 二月 2025
26AQI
26AQI
19th 二月 2025
28AQI
28AQI
20th 二月 2025
27AQI
27AQI
21st 二月 2025
34AQI
34AQI
22nd 二月 2025
29AQI
29AQI
23rd 二月 2025
29AQI
29AQI
24th 二月 2025
31AQI
31AQI
25th 二月 2025
47AQI
47AQI
26th 二月 2025
31AQI
31AQI
27th 二月 2025
40AQI
40AQI
28th 二月 2025
35AQI
35AQI
1st 三月 2025
29AQI
29AQI
2nd 三月 2025
27AQI
27AQI
3rd 三月 2025
27AQI
27AQI
4th 三月 2025
43AQI
43AQI
5th 三月 2025
28AQI
28AQI
6th 三月 2025
26AQI
26AQI
7th 三月 2025
27AQI
27AQI
8th 三月 2025
26AQI
26AQI
9th 三月 2025
29AQI
29AQI
10th 三月 2025
30AQI
30AQI
11th 三月 2025
36AQI
36AQI
12th 三月 2025
28AQI
28AQI
13th 三月 2025
21AQI
21AQI
14th 三月 2025
17AQI
17AQI
15th 三月 2025
23AQI
23AQI
16th 三月 2025
22AQI
22AQI
17th 三月 2025
16AQI
16AQI
18th 三月 2025
18AQI
18AQI
19th 三月 2025
25AQI
25AQI
20th 三月 2025
30AQI
30AQI
21st 三月 2025
25AQI
25AQI
22nd 三月 2025
18AQI
18AQI
23rd 三月 2025
20AQI
20AQI
24th 三月 2025
21AQI
21AQI
25th 三月 2025
21AQI
21AQI
26th 三月 2025
21AQI
21AQI
27th 三月 2025
21AQI
21AQI
28th 三月 2025
21AQI
21AQI
29th 三月 2025
21AQI
21AQI
30th 三月 2025
22AQI
22AQI
31st 三月 2025
23AQI
23AQI
1st 四月 2025
20AQI
20AQI
2nd 四月 2025
19AQI
19AQI
3rd 四月 2025
18AQI
18AQI
4th 四月 2025
21AQI
21AQI
5th 四月 2025
17AQI
17AQI
6th 四月 2025
23AQI
23AQI
7th 四月 2025
22AQI
22AQI
8th 四月 2025
20AQI
20AQI
9th 四月 2025
18AQI
18AQI
10th 四月 2025
21AQI
21AQI
11th 四月 2025
27AQI
27AQI
12th 四月 2025
24AQI
24AQI
13th 四月 2025
27AQI
27AQI
14th 四月 2025
22AQI
22AQI
15th 四月 2025
28AQI
28AQI
16th 四月 2025
25AQI
25AQI
17th 四月 2025
26AQI
26AQI
18th 四月 2025
32AQI
32AQI
19th 四月 2025
21AQI
21AQI
20th 四月 2025
23AQI
23AQI
21st 四月 2025
24AQI
24AQI
22nd 四月 2025
28AQI
28AQI
23rd 四月 2025
26AQI
26AQI
24th 四月 2025
31AQI
31AQI
25th 四月 2025
25AQI
25AQI
26th 四月 2025
32AQI
32AQI
27th 四月 2025
18AQI
18AQI
28th 四月 2025
19AQI
19AQI
29th 四月 2025
22AQI
22AQI
30th 四月 2025
35AQI
35AQI
1st 五月 2025
22AQI
22AQI
2nd 五月 2025
25AQI
25AQI
3rd 五月 2025
25AQI
25AQI
4th 五月 2025
22AQI
22AQI
5th 五月 2025
16AQI
16AQI
6th 五月 2025
17AQI
17AQI
7th 五月 2025
24AQI
24AQI
8th 五月 2025
31AQI
31AQI
9th 五月 2025
27AQI
27AQI
10th 五月 2025
24AQI
24AQI
11th 五月 2025
24AQI
24AQI
12th 五月 2025
21AQI
21AQI
13th 五月 2025
22AQI
22AQI
14th 五月 2025
18AQI
18AQI
15th 五月 2025
18AQI
18AQI
16th 五月 2025
18AQI
18AQI
17th 五月 2025
24AQI
24AQI
18th 五月 2025
22AQI
22AQI
19th 五月 2025
19AQI
19AQI
20th 五月 2025
16AQI
16AQI
21st 五月 2025
22AQI
22AQI
22nd 五月 2025
23AQI
23AQI
23rd 五月 2025
21AQI
21AQI
24th 五月 2025
26AQI
26AQI
25th 五月 2025
30AQI
30AQI
26th 五月 2025
19AQI
19AQI
27th 五月 2025
19AQI
19AQI
28th 五月 2025
25AQI
25AQI
29th 五月 2025
29AQI
29AQI
30th 五月 2025
30AQI
30AQI
31st 五月 2025
31AQI
31AQI
1st 六月 2025
30AQI
30AQI
2nd 六月 2025
28AQI
28AQI
3rd 六月 2025
37AQI
37AQI
4th 六月 2025
37AQI
37AQI
5th 六月 2025
31AQI
31AQI
6th 六月 2025
36AQI
36AQI
7th 六月 2025
35AQI
35AQI
8th 六月 2025
38AQI
38AQI
9th 六月 2025
33AQI
33AQI
10th 六月 2025
39AQI
39AQI
11th 六月 2025
39AQI
39AQI
12th 六月 2025
39AQI
39AQI
13th 六月 2025
36AQI
36AQI
14th 六月 2025
30AQI
30AQI
15th 六月 2025
29AQI
29AQI
16th 六月 2025
32AQI
32AQI
17th 六月 2025
37AQI
37AQI
18th 六月 2025
37AQI
37AQI
19th 六月 2025
30AQI
30AQI
20th 六月 2025
34AQI
34AQI
21st 六月 2025
29AQI
29AQI
22nd 六月 2025
24AQI
24AQI
23rd 六月 2025
27AQI
27AQI
24th 六月 2025
30AQI
30AQI
25th 六月 2025
34AQI
34AQI
26th 六月 2025
34AQI
34AQI
27th 六月 2025
41AQI
41AQI
28th 六月 2025
36AQI
36AQI
29th 六月 2025
42AQI
42AQI
30th 六月 2025
38AQI
38AQI
1st 七月 2025
33AQI
33AQI
2nd 七月 2025
31AQI
31AQI
3rd 七月 2025
35AQI
35AQI
4th 七月 2025
32AQI
32AQI
5th 七月 2025
30AQI
30AQI
6th 七月 2025
28AQI
28AQI
7th 七月 2025
24AQI
24AQI
8th 七月 2025
32AQI
32AQI
9th 七月 2025
28AQI
28AQI
10th 七月 2025
31AQI
31AQI
11th 七月 2025
48AQI
48AQI
12th 七月 2025
60AQI
60AQI
13th 七月 2025
59AQI
59AQI
14th 七月 2025
53AQI
53AQI
15th 七月 2025
48AQI
48AQI
16th 七月 2025
40AQI
40AQI
17th 七月 2025
34AQI
34AQI
18th 七月 2025
36AQI
36AQI
19th 七月 2025
35AQI
35AQI
20th 七月 2025
33AQI
33AQI
21st 七月 2025
31AQI
31AQI
22nd 七月 2025
24AQI
24AQI
23rd 七月 2025
20AQI
20AQI
24th 七月 2025
21AQI
21AQI
25th 七月 2025
22AQI
22AQI
26th 七月 2025
23AQI
23AQI
27th 七月 2025
23AQI
23AQI
28th 七月 2025
25AQI
25AQI
29th 七月 2025
25AQI
25AQI
30th 七月 2025
26AQI
26AQI
31st 七月 2025
25AQI
25AQI
1st 八月 2025
28AQI
28AQI
2nd 八月 2025
30AQI
30AQI
3rd 八月 2025
31AQI
31AQI
4th 八月 2025
39AQI
39AQI
5th 八月 2025
34AQI
34AQI
6th 八月 2025
27AQI
27AQI
7th 八月 2025
28AQI
28AQI
8th 八月 2025
29AQI
29AQI
9th 八月 2025
30AQI
30AQI
10th 八月 2025
33AQI
33AQI
34AQI
30AQI
25AQI
24AQI
23AQI
34AQI
33AQI
31AQI
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
202529AQI
29
2
28
31
30
31
30
28
3
10
217
5
最高AQI记录于
一月34AQI
最低AQI记录于
五月23AQI
202432AQI
31
29
31
30
31
29
29
2
28
3
30
31
27
3
31
357
8
最高AQI记录于
七月43AQI
最低AQI记录于
一月26AQI
202336AQI
30
22
3
31
30
28
3
30
29
2
30
1
26
4
30
1
28
1
31
345
15
最高AQI记录于
七月41AQI
最低AQI记录于
十二月29AQI
202236AQI
28
2
22
31
17
31
30
18
1
3
18
4
3
2
1
27
27
31
283
7
3
2
1
最高AQI记录于
九月65AQI
最低AQI记录于
三月31AQI
202140AQI
30
28
31
30
31
30
25
6
8
7
10
4
2
20
10
29
2
30
27
1
319
26
10
4
2
最高AQI记录于
八月104AQI
最低AQI记录于
二月29AQI
202052AQI
13
20
18
30
30
1
15
4
5
6
1
4
11
9
4
2
21
4
4
28
2
30
1
209
23
18
10
3
最高AQI记录于
九月104AQI
最低AQI记录于
五月32AQI
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)
52AQI污染最轻的记录年份
2025(平均)
29AQIAlta Sierra的年度2025 AQI（29）相比之前几年的平均百分比变化为-23.8% (改善 AQI)：2020 (52), 2021 (40), 2022 (36), 2023 (36), 2024 (32)。
