Country Background
HistoryAQIPM₂.₅PM₁₀COSO₂NO₂O₃

Boulder, Colorado, United States の歴史的な空気品質分析

歴史的データ、月別のパターン、年間の傾向に基づいて空気品質の詳細なインサイトを手のひらでご覧ください！

良い
050
適度
100
悪い
150
不健康
200
深刻
300
危険
301+

8月 空気品質分析

Boulder, Colorado, United States

2022
2023
2024
2025
2026
AQI
.
日

AQIトレンド: 最高値と最低値

記録された最高AQIは
21st Aug 2023
85AQI
記録された最低AQIは
18th Aug 2024
14AQI

同日分析 (12th August):
この日における AQI は 5 年間 で大きく変動しました: 2026 年は 3rd 位、最高 AQI は 28 で、2025 年と 2024 年に比べて改善が見られました。

昼夜AQIトレンド: 11th Aug - 12th Aug 2026

Boulder, Colorado, United States

AQI
日
夜
.

5 AM11th Aug 2026

8 PM

4 AM12th Aug 2026

昼間
平均最高時間
7AM11th Aug

35AQI

平均最低時間
8PM11th Aug

27AQI

夜間
平均最高時間
5AM11th Aug

30AQI

平均最低時間
11PM11th Aug

25AQI

過去24時間で、

Boulder のAQI は 日 の 35 で最高値を記録し、最も低い 25 は 11 PM に 夜 に記録されました。

昼夜AQIトレンド : Jul - Aug 2026

Boulder, Colorado, United States

JulAug
14th - 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
日
夜
14th Jul 2026165 AMAQI
14th Jul 2026166 AMAQI
14th Jul 2026167 AMAQI
14th Jul 2026218 AMAQI
14th Jul 2026209 AMAQI
14th Jul 20262110 AMAQI
14th Jul 20262511 AMAQI
14th Jul 20262612 PMAQI
14th Jul 2026261 PMAQI
14th Jul 2026292 PMAQI
14th Jul 2026323 PMAQI
14th Jul 2026324 PMAQI
14th Jul 2026345 PMAQI
14th Jul 2026276 PMAQI
14th Jul 2026257 PMAQI
14th Jul 2026238 PMAQI
14th Jul 2026219 PMAQI
14th Jul 20262010 PMAQI
14th Jul 20261811 PMAQI
15th Jul 20261712 AMAQI
15th Jul 2026191 AMAQI
15th Jul 2026182 AMAQI
15th Jul 2026163 AMAQI
15th Jul 2026164 AMAQI

25°C15/34°C

15th Jul 2026155 AMAQI
15th Jul 2026146 AMAQI
15th Jul 2026147 AMAQI
15th Jul 2026188 AMAQI
15th Jul 2026209 AMAQI
15th Jul 20262210 AMAQI
15th Jul 20262411 AMAQI
15th Jul 20262512 PMAQI
15th Jul 2026271 PMAQI
15th Jul 2026292 PMAQI
15th Jul 2026303 PMAQI
15th Jul 2026304 PMAQI
15th Jul 2026305 PMAQI
15th Jul 2026276 PMAQI
15th Jul 2026267 PMAQI
15th Jul 2026268 PMAQI
15th Jul 2026249 PMAQI
15th Jul 20262510 PMAQI
15th Jul 20262311 PMAQI
16th Jul 20262412 AMAQI
16th Jul 2026241 AMAQI
16th Jul 2026202 AMAQI
16th Jul 2026193 AMAQI
16th Jul 2026174 AMAQI

24°C14/33°C

16th Jul 2026165 AMAQI
16th Jul 2026176 AMAQI
16th Jul 2026177 AMAQI
16th Jul 2026208 AMAQI
16th Jul 2026219 AMAQI
16th Jul 20262710 AMAQI
16th Jul 20262811 AMAQI
16th Jul 20263012 PMAQI
16th Jul 2026301 PMAQI
16th Jul 2026282 PMAQI
16th Jul 2026323 PMAQI
16th Jul 2026334 PMAQI
16th Jul 2026345 PMAQI
16th Jul 2026316 PMAQI
16th Jul 2026277 PMAQI
16th Jul 2026278 PMAQI
16th Jul 2026279 PMAQI
16th Jul 20262210 PMAQI
16th Jul 20261411 PMAQI
17th Jul 20261212 AMAQI
17th Jul 2026151 AMAQI
17th Jul 2026202 AMAQI
17th Jul 2026243 AMAQI
17th Jul 2026204 AMAQI

23°C15/33°C

17th Jul 2026255 AMAQI
17th Jul 2026296 AMAQI
17th Jul 2026307 AMAQI
17th Jul 2026298 AMAQI
17th Jul 2026269 AMAQI
17th Jul 20263010 AMAQI
17th Jul 20262511 AMAQI
17th Jul 20263212 PMAQI
17th Jul 2026321 PMAQI
17th Jul 2026332 PMAQI
17th Jul 2026323 PMAQI
17th Jul 2026334 PMAQI
17th Jul 2026335 PMAQI
17th Jul 2026266 PMAQI
17th Jul 2026207 PMAQI
17th Jul 2026318 PMAQI
17th Jul 2026339 PMAQI
17th Jul 20263410 PMAQI
17th Jul 20263311 PMAQI
18th Jul 20263312 AMAQI
18th Jul 2026281 AMAQI
18th Jul 2026302 AMAQI
18th Jul 2026303 AMAQI
18th Jul 2026304 AMAQI

24°C15/32°C

18th Jul 2026305 AMAQI
18th Jul 2026306 AMAQI
18th Jul 2026297 AMAQI
18th Jul 2026308 AMAQI
18th Jul 2026309 AMAQI
18th Jul 20263010 AMAQI
18th Jul 20263511 AMAQI
18th Jul 20263512 PMAQI
18th Jul 2026301 PMAQI
18th Jul 2026422 PMAQI
18th Jul 2026433 PMAQI
18th Jul 2026424 PMAQI
18th Jul 2026415 PMAQI
18th Jul 2026416 PMAQI
18th Jul 2026397 PMAQI
18th Jul 2026358 PMAQI
18th Jul 2026359 PMAQI
18th Jul 20263710 PMAQI
18th Jul 20262511 PMAQI
19th Jul 20263012 AMAQI
19th Jul 2026321 AMAQI
19th Jul 2026302 AMAQI
19th Jul 2026303 AMAQI
19th Jul 2026354 AMAQI

25°C15/33°C

19th Jul 2026335 AMAQI
19th Jul 2026326 AMAQI
19th Jul 2026267 AMAQI
19th Jul 2026328 AMAQI
19th Jul 2026259 AMAQI
19th Jul 20262810 AMAQI
19th Jul 20263711 AMAQI
19th Jul 20263112 PMAQI
19th Jul 2026291 PMAQI
19th Jul 2026252 PMAQI
19th Jul 2026293 PMAQI
19th Jul 2026244 PMAQI
19th Jul 2026295 PMAQI
19th Jul 2026246 PMAQI
19th Jul 2026207 PMAQI
19th Jul 2026308 PMAQI
19th Jul 2026309 PMAQI
19th Jul 20262510 PMAQI
19th Jul 20262511 PMAQI
20th Jul 20262912 AMAQI
20th Jul 2026291 AMAQI
20th Jul 2026272 AMAQI
20th Jul 2026293 AMAQI
20th Jul 2026304 AMAQI

25°C15/35°C

20th Jul 2026285 AMAQI
20th Jul 2026256 AMAQI
20th Jul 2026287 AMAQI
20th Jul 2026268 AMAQI
20th Jul 2026329 AMAQI
20th Jul 20262610 AMAQI
20th Jul 20262911 AMAQI
20th Jul 20263912 PMAQI
20th Jul 2026451 PMAQI
20th Jul 2026462 PMAQI
20th Jul 2026433 PMAQI
20th Jul 2026434 PMAQI
20th Jul 2026355 PMAQI
20th Jul 2026336 PMAQI
20th Jul 2026397 PMAQI
20th Jul 2026448 PMAQI
20th Jul 20264110 PMAQI
20th Jul 20264311 PMAQI
21st Jul 20264612 AMAQI
21st Jul 2026431 AMAQI
21st Jul 2026392 AMAQI
21st Jul 2026413 AMAQI
21st Jul 2026334 AMAQI

26°C18/37°C

21st Jul 2026285 AMAQI
21st Jul 2026316 AMAQI
21st Jul 2026327 AMAQI
21st Jul 2026408 AMAQI
21st Jul 2026439 AMAQI
21st Jul 20264610 AMAQI
21st Jul 20264711 AMAQI
21st Jul 20264612 PMAQI
21st Jul 2026401 PMAQI
21st Jul 2026402 PMAQI
21st Jul 2026353 PMAQI
21st Jul 2026384 PMAQI
21st Jul 2026345 PMAQI
21st Jul 2026316 PMAQI
21st Jul 2026307 PMAQI
21st Jul 2026278 PMAQI
21st Jul 2026319 PMAQI
21st Jul 20262910 PMAQI
21st Jul 20262511 PMAQI
22nd Jul 20263312 AMAQI
22nd Jul 2026331 AMAQI
22nd Jul 2026252 AMAQI
22nd Jul 2026323 AMAQI
22nd Jul 2026294 AMAQI

26°C19/35°C

22nd Jul 2026305 AMAQI
22nd Jul 2026306 AMAQI
22nd Jul 2026307 AMAQI
22nd Jul 2026328 AMAQI
22nd Jul 2026339 AMAQI
22nd Jul 20263510 AMAQI
22nd Jul 20262711 AMAQI
22nd Jul 20262712 PMAQI
22nd Jul 2026261 PMAQI
22nd Jul 2026262 PMAQI
22nd Jul 2026263 PMAQI
22nd Jul 2026244 PMAQI
22nd Jul 2026255 PMAQI
22nd Jul 2026246 PMAQI
22nd Jul 2026257 PMAQI
22nd Jul 2026258 PMAQI
22nd Jul 2026269 PMAQI
22nd Jul 20263210 PMAQI
22nd Jul 20263911 PMAQI
23rd Jul 20263212 AMAQI
23rd Jul 2026351 AMAQI
23rd Jul 2026292 AMAQI
23rd Jul 2026313 AMAQI
23rd Jul 2026374 AMAQI

22°C16/32°C

23rd Jul 2026335 AMAQI
23rd Jul 2026356 AMAQI
23rd Jul 2026297 AMAQI
23rd Jul 2026328 AMAQI
23rd Jul 2026329 AMAQI
23rd Jul 20263310 AMAQI
23rd Jul 20263311 AMAQI
23rd Jul 20263612 PMAQI
23rd Jul 2026371 PMAQI
23rd Jul 2026322 PMAQI
23rd Jul 2026283 PMAQI
23rd Jul 2026274 PMAQI
23rd Jul 2026265 PMAQI
23rd Jul 2026186 PMAQI
23rd Jul 2026207 PMAQI
23rd Jul 2026258 PMAQI
23rd Jul 2026339 PMAQI
23rd Jul 20263210 PMAQI
23rd Jul 20263911 PMAQI
24th Jul 20263712 AMAQI
24th Jul 2026251 AMAQI
24th Jul 2026332 AMAQI
24th Jul 2026333 AMAQI
24th Jul 2026324 AMAQI

22°C16/29°C

24th Jul 2026335 AMAQI
24th Jul 2026326 AMAQI
24th Jul 2026337 AMAQI
24th Jul 2026308 AMAQI
24th Jul 2026309 AMAQI
24th Jul 20263310 AMAQI
24th Jul 20262911 AMAQI
24th Jul 20263212 PMAQI
24th Jul 2026321 PMAQI
24th Jul 2026292 PMAQI
24th Jul 2026343 PMAQI
24th Jul 2026324 PMAQI
24th Jul 2026335 PMAQI
24th Jul 2026276 PMAQI
24th Jul 2026307 PMAQI
24th Jul 2026398 PMAQI
24th Jul 2026309 PMAQI
24th Jul 20263210 PMAQI
24th Jul 20263211 PMAQI
25th Jul 20262812 AMAQI
25th Jul 2026311 AMAQI
25th Jul 2026332 AMAQI
25th Jul 2026353 AMAQI
25th Jul 2026304 AMAQI

25°C16/34°C

25th Jul 2026305 AMAQI
25th Jul 2026306 AMAQI
25th Jul 2026287 AMAQI
25th Jul 2026308 AMAQI
25th Jul 2026309 AMAQI
25th Jul 20263010 AMAQI
25th Jul 20264611 AMAQI
25th Jul 20263712 PMAQI
25th Jul 2026281 PMAQI
25th Jul 2026252 PMAQI
25th Jul 2026163 PMAQI
25th Jul 2026254 PMAQI
25th Jul 2026275 PMAQI
25th Jul 2026276 PMAQI
25th Jul 2026257 PMAQI
25th Jul 2026298 PMAQI
25th Jul 2026259 PMAQI
25th Jul 20262510 PMAQI
25th Jul 20262511 PMAQI
26th Jul 20262812 AMAQI
26th Jul 2026121 AMAQI
26th Jul 2026182 AMAQI
26th Jul 2026253 AMAQI
26th Jul 2026294 AMAQI

26°C18/36°C

26th Jul 2026245 AMAQI
26th Jul 2026306 AMAQI
26th Jul 2026307 AMAQI
26th Jul 2026308 AMAQI
26th Jul 2026299 AMAQI
26th Jul 20263010 AMAQI
26th Jul 20263011 AMAQI
26th Jul 20263212 PMAQI
26th Jul 2026301 PMAQI
26th Jul 2026252 PMAQI
26th Jul 2026223 PMAQI
26th Jul 2026124 PMAQI
26th Jul 2026305 PMAQI
26th Jul 2026196 PMAQI
26th Jul 2026287 PMAQI
26th Jul 2026308 PMAQI
26th Jul 2026309 PMAQI
26th Jul 20263010 PMAQI
26th Jul 20262911 PMAQI
27th Jul 20263012 AMAQI
27th Jul 2026301 AMAQI
27th Jul 2026282 AMAQI
27th Jul 2026123 AMAQI
27th Jul 2026154 AMAQI

27°C21/36°C

27th Jul 2026145 AMAQI
27th Jul 2026186 AMAQI
27th Jul 2026257 AMAQI
27th Jul 2026328 AMAQI
27th Jul 2026259 AMAQI
27th Jul 20262910 AMAQI
27th Jul 20262811 AMAQI
27th Jul 20263412 PMAQI
27th Jul 2026251 PMAQI
27th Jul 2026302 PMAQI
27th Jul 2026293 PMAQI
27th Jul 2026264 PMAQI
27th Jul 2026275 PMAQI
27th Jul 2026366 PMAQI
27th Jul 2026177 PMAQI
27th Jul 2026308 PMAQI
27th Jul 2026299 PMAQI
27th Jul 20262910 PMAQI
27th Jul 20262411 PMAQI
28th Jul 20263512 AMAQI
28th Jul 2026421 AMAQI
28th Jul 2026362 AMAQI
28th Jul 2026303 AMAQI
28th Jul 2026394 AMAQI

24°C19/32°C

28th Jul 2026285 AMAQI
28th Jul 2026356 AMAQI
28th Jul 2026317 AMAQI
28th Jul 2026438 AMAQI
28th Jul 2026259 AMAQI
28th Jul 20264310 AMAQI
28th Jul 20263211 AMAQI
28th Jul 20263512 PMAQI
28th Jul 2026451 PMAQI
28th Jul 2026432 PMAQI
28th Jul 2026313 PMAQI
28th Jul 2026314 PMAQI
28th Jul 2026325 PMAQI
28th Jul 2026396 PMAQI
28th Jul 2026257 PMAQI
28th Jul 2026308 PMAQI
28th Jul 2026299 PMAQI
28th Jul 20262910 PMAQI
28th Jul 20262911 PMAQI
29th Jul 20263012 AMAQI
29th Jul 2026321 AMAQI
29th Jul 2026322 AMAQI
29th Jul 2026393 AMAQI
29th Jul 2026414 AMAQI

22°C16/32°C

29th Jul 2026475 AMAQI
29th Jul 2026566 AMAQI
29th Jul 2026317 AMAQI
29th Jul 2026418 AMAQI
29th Jul 2026449 AMAQI
29th Jul 20264310 AMAQI
29th Jul 20262911 AMAQI
29th Jul 20262412 PMAQI
29th Jul 2026321 PMAQI
29th Jul 2026322 PMAQI
29th Jul 2026273 PMAQI
29th Jul 2026324 PMAQI
29th Jul 2026185 PMAQI
29th Jul 2026306 PMAQI
29th Jul 2026377 PMAQI
29th Jul 2026298 PMAQI
29th Jul 2026239 PMAQI
29th Jul 20263410 PMAQI
29th Jul 20265211 PMAQI
30th Jul 20264412 AMAQI
30th Jul 2026301 AMAQI
30th Jul 2026442 AMAQI
30th Jul 2026393 AMAQI
30th Jul 2026274 AMAQI

21°C16/31°C

30th Jul 2026255 AMAQI
30th Jul 2026216 AMAQI
30th Jul 2026257 AMAQI
30th Jul 2026278 AMAQI
30th Jul 2026279 AMAQI
30th Jul 20264610 AMAQI
30th Jul 20262411 AMAQI
30th Jul 20262412 PMAQI
30th Jul 2026251 PMAQI
30th Jul 2026262 PMAQI
30th Jul 2026263 PMAQI
30th Jul 2026304 PMAQI
30th Jul 2026295 PMAQI
30th Jul 2026296 PMAQI
30th Jul 2026307 PMAQI
30th Jul 2026308 PMAQI
30th Jul 2026309 PMAQI
30th Jul 20263010 PMAQI
30th Jul 20262911 PMAQI
31st Jul 20263012 AMAQI
31st Jul 2026251 AMAQI
31st Jul 2026262 AMAQI
31st Jul 2026243 AMAQI
31st Jul 2026284 AMAQI

24°C16/33°C

31st Jul 2026285 AMAQI
31st Jul 2026276 AMAQI
31st Jul 2026287 AMAQI
31st Jul 2026308 AMAQI
31st Jul 2026349 AMAQI
31st Jul 20262810 AMAQI
31st Jul 20262811 AMAQI
31st Jul 20262812 PMAQI
31st Jul 2026281 PMAQI
31st Jul 2026302 PMAQI
31st Jul 2026283 PMAQI
31st Jul 2026284 PMAQI
31st Jul 2026305 PMAQI
31st Jul 2026306 PMAQI
31st Jul 2026307 PMAQI
31st Jul 2026308 PMAQI
31st Jul 2026319 PMAQI
31st Jul 20263110 PMAQI
31st Jul 20263111 PMAQI
1st Aug 20263112 AMAQI
1st Aug 2026311 AMAQI
1st Aug 2026312 AMAQI
1st Aug 2026303 AMAQI
1st Aug 2026344 AMAQI

21°C15/32°C

1st Aug 2026355 AMAQI
1st Aug 2026336 AMAQI
1st Aug 2026317 AMAQI
1st Aug 2026318 AMAQI
1st Aug 2026319 AMAQI
1st Aug 20263410 AMAQI
1st Aug 20263311 AMAQI
1st Aug 20263512 PMAQI
1st Aug 2026351 PMAQI
1st Aug 2026352 PMAQI
1st Aug 2026353 PMAQI
1st Aug 2026304 PMAQI
1st Aug 2026265 PMAQI
1st Aug 2026306 PMAQI
1st Aug 2026267 PMAQI
1st Aug 2026268 PMAQI
1st Aug 2026289 PMAQI
1st Aug 20262610 PMAQI
1st Aug 20262411 PMAQI
2nd Aug 20262612 AMAQI
2nd Aug 2026251 AMAQI
2nd Aug 2026262 AMAQI
2nd Aug 2026293 AMAQI
2nd Aug 2026294 AMAQI

23°C14/33°C

2nd Aug 2026285 AMAQI
2nd Aug 2026286 AMAQI
2nd Aug 2026297 AMAQI
2nd Aug 2026278 AMAQI
2nd Aug 2026269 AMAQI
2nd Aug 20262810 AMAQI
2nd Aug 20262811 AMAQI
2nd Aug 20263012 PMAQI
2nd Aug 2026281 PMAQI
2nd Aug 2026282 PMAQI
2nd Aug 2026283 PMAQI
2nd Aug 2026254 PMAQI
2nd Aug 2026365 PMAQI
2nd Aug 2026296 PMAQI
2nd Aug 2026457 PMAQI
2nd Aug 2026438 PMAQI
2nd Aug 2026319 PMAQI
2nd Aug 20263010 PMAQI
2nd Aug 20262611 PMAQI
3rd Aug 20264312 AMAQI
3rd Aug 2026521 AMAQI
3rd Aug 2026562 AMAQI
3rd Aug 2026593 AMAQI
3rd Aug 2026624 AMAQI

27°C17/38°C

3rd Aug 2026655 AMAQI
3rd Aug 2026626 AMAQI
3rd Aug 2026627 AMAQI
3rd Aug 2026588 AMAQI
3rd Aug 2026599 AMAQI
3rd Aug 20265910 AMAQI
3rd Aug 20265511 AMAQI
3rd Aug 20265312 PMAQI
3rd Aug 2026531 PMAQI
3rd Aug 2026512 PMAQI
3rd Aug 2026513 PMAQI
3rd Aug 2026494 PMAQI
3rd Aug 2026535 PMAQI
3rd Aug 2026546 PMAQI
3rd Aug 2026607 PMAQI
3rd Aug 2026678 PMAQI
3rd Aug 2026739 PMAQI
3rd Aug 20267410 PMAQI
3rd Aug 20268311 PMAQI
4th Aug 20267512 AMAQI
4th Aug 2026691 AMAQI
4th Aug 2026662 AMAQI
4th Aug 2026633 AMAQI
4th Aug 2026634 AMAQI

26°C18/37°C

4th Aug 2026655 AMAQI
4th Aug 2026686 AMAQI
4th Aug 2026627 AMAQI
4th Aug 2026598 AMAQI
4th Aug 2026579 AMAQI
4th Aug 20265510 AMAQI
4th Aug 20265511 AMAQI
4th Aug 20265612 PMAQI
4th Aug 2026571 PMAQI
4th Aug 2026592 PMAQI
4th Aug 2026593 PMAQI
4th Aug 2026604 PMAQI
4th Aug 2026635 PMAQI
4th Aug 2026616 PMAQI
4th Aug 2026617 PMAQI
4th Aug 2026648 PMAQI
4th Aug 2026649 PMAQI
4th Aug 20266210 PMAQI
4th Aug 20265811 PMAQI
5th Aug 20265712 AMAQI
5th Aug 2026561 AMAQI
5th Aug 2026552 AMAQI
5th Aug 2026543 AMAQI
5th Aug 2026534 AMAQI

17°C12/24°C

5th Aug 2026535 AMAQI
5th Aug 2026526 AMAQI
5th Aug 2026537 AMAQI
5th Aug 2026518 AMAQI
5th Aug 2026539 AMAQI
5th Aug 20265310 AMAQI
5th Aug 20265211 AMAQI
5th Aug 20265312 PMAQI
5th Aug 2026541 PMAQI
5th Aug 2026552 PMAQI
5th Aug 2026543 PMAQI
5th Aug 2026544 PMAQI
5th Aug 2026545 PMAQI
5th Aug 2026546 PMAQI
5th Aug 2026537 PMAQI
5th Aug 2026528 PMAQI
5th Aug 2026529 PMAQI
5th Aug 20265310 PMAQI
5th Aug 20265311 PMAQI
6th Aug 20265212 AMAQI
6th Aug 2026501 AMAQI
6th Aug 2026522 AMAQI
6th Aug 2026523 AMAQI
6th Aug 2026494 AMAQI

19°C8/29°C

6th Aug 2026495 AMAQI
6th Aug 2026506 AMAQI
6th Aug 2026487 AMAQI
6th Aug 2026488 AMAQI
6th Aug 2026499 AMAQI
6th Aug 20264810 AMAQI
6th Aug 20265011 AMAQI
6th Aug 20264912 PMAQI
6th Aug 2026521 PMAQI
6th Aug 2026522 PMAQI
6th Aug 2026523 PMAQI
6th Aug 2026524 PMAQI
6th Aug 2026515 PMAQI
6th Aug 2026516 PMAQI
6th Aug 2026507 PMAQI
6th Aug 2026498 PMAQI
6th Aug 2026499 PMAQI
6th Aug 20265110 PMAQI
6th Aug 20265211 PMAQI
7th Aug 20265012 AMAQI
7th Aug 2026511 AMAQI
7th Aug 2026512 AMAQI
7th Aug 2026523 AMAQI
7th Aug 2026494 AMAQI

24°C13/35°C

7th Aug 2026505 AMAQI
7th Aug 2026496 AMAQI
7th Aug 2026507 AMAQI
7th Aug 2026508 AMAQI
7th Aug 2026549 AMAQI
7th Aug 20265410 AMAQI
7th Aug 20265511 AMAQI
7th Aug 20265612 PMAQI
7th Aug 2026561 PMAQI
7th Aug 2026562 PMAQI
7th Aug 2026563 PMAQI
7th Aug 2026554 PMAQI
7th Aug 2026555 PMAQI
7th Aug 2026566 PMAQI
7th Aug 2026577 PMAQI
7th Aug 2026558 PMAQI
7th Aug 2026579 PMAQI
7th Aug 20265610 PMAQI
7th Aug 20265511 PMAQI
8th Aug 20265612 AMAQI
8th Aug 2026571 AMAQI
8th Aug 2026552 AMAQI
8th Aug 2026563 AMAQI
8th Aug 2026574 AMAQI

25°C16/34°C

8th Aug 2026545 AMAQI
8th Aug 2026536 AMAQI
8th Aug 2026557 AMAQI
8th Aug 2026528 AMAQI
8th Aug 2026549 AMAQI
8th Aug 20265310 AMAQI
8th Aug 20265111 AMAQI
8th Aug 20264812 PMAQI
8th Aug 2026471 PMAQI
8th Aug 2026472 PMAQI
8th Aug 2026493 PMAQI
8th Aug 2026464 PMAQI
8th Aug 2026455 PMAQI
8th Aug 2026456 PMAQI
8th Aug 2026437 PMAQI
8th Aug 2026418 PMAQI
8th Aug 2026389 PMAQI
8th Aug 20263810 PMAQI
8th Aug 20263511 PMAQI
9th Aug 20263512 AMAQI
9th Aug 2026341 AMAQI
9th Aug 2026342 AMAQI
9th Aug 2026353 AMAQI
9th Aug 2026324 AMAQI

27°C17/37°C

9th Aug 2026325 AMAQI
9th Aug 2026326 AMAQI
9th Aug 2026317 AMAQI
9th Aug 2026308 AMAQI
9th Aug 2026309 AMAQI
9th Aug 20263010 AMAQI
9th Aug 20263211 AMAQI
9th Aug 20263112 PMAQI
9th Aug 2026301 PMAQI
9th Aug 2026322 PMAQI
9th Aug 2026323 PMAQI
9th Aug 2026334 PMAQI
9th Aug 2026345 PMAQI
9th Aug 2026346 PMAQI
9th Aug 2026357 PMAQI
9th Aug 2026358 PMAQI
9th Aug 2026379 PMAQI
9th Aug 20263510 PMAQI
9th Aug 20263511 PMAQI
10th Aug 20263612 AMAQI
10th Aug 2026371 AMAQI
10th Aug 2026382 AMAQI
10th Aug 2026393 AMAQI
10th Aug 2026394 AMAQI

26°C18/35°C

10th Aug 2026395 AMAQI
10th Aug 2026406 AMAQI
10th Aug 2026397 AMAQI
10th Aug 2026408 AMAQI
10th Aug 2026419 AMAQI
10th Aug 20264310 AMAQI
10th Aug 20264211 AMAQI
10th Aug 20264612 PMAQI
10th Aug 2026501 PMAQI
10th Aug 2026432 PMAQI
10th Aug 2026423 PMAQI
10th Aug 2026414 PMAQI
10th Aug 2026365 PMAQI
10th Aug 2026356 PMAQI
10th Aug 2026347 PMAQI
10th Aug 2026338 PMAQI
10th Aug 2026339 PMAQI
10th Aug 20263310 PMAQI
10th Aug 20263411 PMAQI
11th Aug 20263412 AMAQI
11th Aug 2026321 AMAQI
11th Aug 2026322 AMAQI
11th Aug 2026313 AMAQI
11th Aug 2026304 AMAQI

24°C17/33°C

11th Aug 2026305 AMAQI
11th Aug 2026316 AMAQI
11th Aug 2026357 AMAQI
11th Aug 2026308 AMAQI
11th Aug 2026319 AMAQI
11th Aug 20263310 AMAQI
11th Aug 20263111 AMAQI
11th Aug 20263112 PMAQI
11th Aug 2026321 PMAQI
11th Aug 2026312 PMAQI
11th Aug 2026323 PMAQI
11th Aug 2026324 PMAQI
11th Aug 2026315 PMAQI
11th Aug 2026326 PMAQI
11th Aug 2026307 PMAQI
11th Aug 2026278 PMAQI
11th Aug 2026259 PMAQI
11th Aug 20262510 PMAQI
11th Aug 20262511 PMAQI
12th Aug 20262612 AMAQI
12th Aug 2026271 AMAQI
12th Aug 2026282 AMAQI
12th Aug 2026263 AMAQI
12th Aug 2026274 AMAQI

25°C17/34°C

12th Aug 2026265 AMAQI
5 AM
12th Aug 2026256 AMAQI
12th Aug 2026257 AMAQI
12th Aug 2026308 AMAQI
12th Aug 2026359 AMAQI
12th Aug 20263510 AMAQI
12th Aug 20263011 AMAQI
12th Aug 20262912 PMAQI
12 PM
12th Aug 2026301 PMAQI
12th Aug 2026332 PMAQI
12th Aug 2026323 PMAQI
12th Aug 2026334 PMAQI
12th Aug 2026285 PMAQI
12th Aug 2026286 PMAQI
12th Aug 2026287 PMAQI
12th Aug 2026268 PMAQI
8 PM
12th Aug 2026259 PMAQI
12th Aug 20262510 PMAQI
12th Aug 20262311 PMAQI
12 AM
4 AM

22°C15/32°C

昼間
平均最高時間
10 AM - 8 PM

35AQI

11 時間 / 日
330 時間 / 月
平均最低時間
7 AM

33AQI

1 時間 / 日
30 時間 / 月
過去30日間、昼間の最高AQIは 10 AM から 8 PM の間に記録され（平均 35）、最も低いAQIは 7 AM から 7 AM の間に記録され（平均 33）ました。
夜間
平均最高時間
12 AM - 11 PM

34AQI

8 時間 / 日
240 時間 / 月
平均最低時間
12 AM - 11 PM

34AQI

8 時間 / 日
240 時間 / 月
過去30日間、昼間の最高AQIは 12 AM から 11 PM の間に記録され（平均 34）、最も低いAQIは 12 AM から 11 PM の間に記録され（平均 34）ました。

2026 年間 vs 空気品質

Boulder, Colorado, United States

2026

98%

217

2%

4

過去224 日間の AQI カテゴリ別総日数（2026 年） (141 日残り)

良い
217 日
適度
4 日
悪い
0 日
不健康
0 日
深刻
0 日
危険
0 日

WHOの安全な 空気品質基準以下: 98%

健康リスクレベル:

非常に低い

2026 年、98% の 224 日は WHO の安全な空気品質基準内でした。健康問題のリスクは 非常に低い ですが、健康への影響はまだ不明です。

年間空気品質インサイト

Boulder, Colorado, United States

2026 年のAQIレベル

AQI (US)
PM₂.₅
PM₁₀
CO
SO₂
NO₂
O₃
日月火水木金土

1月

2月

3月

4月

5月

6月

7月

8月

9月

10月

11月

12月

-1th undefined 2026
-1th undefined 2026
-1th undefined 2026
-1th undefined 2026
1st 1月 2026
23AQI (US)
2nd 1月 2026
26AQI (US)
3rd 1月 2026
29AQI (US)
4th 1月 2026
21AQI (US)
5th 1月 2026
24AQI (US)
6th 1月 2026
17AQI (US)
7th 1月 2026
18AQI (US)
8th 1月 2026
18AQI (US)
9th 1月 2026
18AQI (US)
10th 1月 2026
16AQI (US)
11th 1月 2026
17AQI (US)
12th 1月 2026
31AQI (US)
13th 1月 2026
23AQI (US)
14th 1月 2026
13AQI (US)
15th 1月 2026
22AQI (US)
16th 1月 2026
23AQI (US)
17th 1月 2026
12AQI (US)
18th 1月 2026
15AQI (US)
19th 1月 2026
21AQI (US)
20th 1月 2026
39AQI (US)
21st 1月 2026
20AQI (US)
22nd 1月 2026
25AQI (US)
23rd 1月 2026
22AQI (US)
24th 1月 2026
30AQI (US)
25th 1月 2026
21AQI (US)
26th 1月 2026
28AQI (US)
27th 1月 2026
22AQI (US)
28th 1月 2026
29AQI (US)
29th 1月 2026
31AQI (US)
30th 1月 2026
33AQI (US)
31st 1月 2026
24AQI (US)
1st 2月 2026
21AQI (US)
2nd 2月 2026
24AQI (US)
3rd 2月 2026
21AQI (US)
4th 2月 2026
28AQI (US)
5th 2月 2026
22AQI (US)
6th 2月 2026
21AQI (US)
7th 2月 2026
21AQI (US)
8th 2月 2026
27AQI (US)
9th 2月 2026
26AQI (US)
10th 2月 2026
23AQI (US)
11th 2月 2026
24AQI (US)
12th 2月 2026
25AQI (US)
13th 2月 2026
21AQI (US)
14th 2月 2026
27AQI (US)
15th 2月 2026
21AQI (US)
16th 2月 2026
22AQI (US)
17th 2月 2026
29AQI (US)
18th 2月 2026
19AQI (US)
19th 2月 2026
24AQI (US)
20th 2月 2026
18AQI (US)
21st 2月 2026
17AQI (US)
22nd 2月 2026
18AQI (US)
23rd 2月 2026
23AQI (US)
24th 2月 2026
30AQI (US)
25th 2月 2026
27AQI (US)
26th 2月 2026
18AQI (US)
27th 2月 2026
20AQI (US)
28th 2月 2026
18AQI (US)
1st 3月 2026
22AQI (US)
2nd 3月 2026
30AQI (US)
3rd 3月 2026
16AQI (US)
4th 3月 2026
19AQI (US)
5th 3月 2026
19AQI (US)
6th 3月 2026
29AQI (US)
7th 3月 2026
26AQI (US)
8th 3月 2026
27AQI (US)
9th 3月 2026
23AQI (US)
10th 3月 2026
21AQI (US)
11th 3月 2026
19AQI (US)
12th 3月 2026
28AQI (US)
13th 3月 2026
20AQI (US)
14th 3月 2026
30AQI (US)
15th 3月 2026
19AQI (US)
16th 3月 2026
22AQI (US)
17th 3月 2026
20AQI (US)
18th 3月 2026
22AQI (US)
19th 3月 2026
17AQI (US)
20th 3月 2026
22AQI (US)
21st 3月 2026
17AQI (US)
22nd 3月 2026
24AQI (US)
23rd 3月 2026
22AQI (US)
24th 3月 2026
22AQI (US)
25th 3月 2026
19AQI (US)
26th 3月 2026
36AQI (US)
27th 3月 2026
25AQI (US)
28th 3月 2026
21AQI (US)
29th 3月 2026
20AQI (US)
30th 3月 2026
23AQI (US)
31st 3月 2026
29AQI (US)
1st 4月 2026
28AQI (US)
2nd 4月 2026
19AQI (US)
3rd 4月 2026
26AQI (US)
4th 4月 2026
17AQI (US)
5th 4月 2026
20AQI (US)
6th 4月 2026
22AQI (US)
7th 4月 2026
29AQI (US)
8th 4月 2026
29AQI (US)
9th 4月 2026
25AQI (US)
10th 4月 2026
29AQI (US)
11th 4月 2026
20AQI (US)
12th 4月 2026
16AQI (US)
13th 4月 2026
17AQI (US)
14th 4月 2026
18AQI (US)
15th 4月 2026
23AQI (US)
16th 4月 2026
21AQI (US)
17th 4月 2026
18th 4月 2026
20AQI (US)
19th 4月 2026
17AQI (US)
20th 4月 2026
21AQI (US)
21st 4月 2026
20AQI (US)
22nd 4月 2026
23rd 4月 2026
34AQI (US)
24th 4月 2026
21AQI (US)
25th 4月 2026
18AQI (US)
26th 4月 2026
17AQI (US)
27th 4月 2026
15AQI (US)
28th 4月 2026
19AQI (US)
29th 4月 2026
15AQI (US)
30th 4月 2026
17AQI (US)
1st 5月 2026
15AQI (US)
2nd 5月 2026
13AQI (US)
3rd 5月 2026
13AQI (US)
4th 5月 2026
21AQI (US)
5th 5月 2026
26AQI (US)
6th 5月 2026
22AQI (US)
7th 5月 2026
14AQI (US)
8th 5月 2026
18AQI (US)
9th 5月 2026
10th 5月 2026
25AQI (US)
11th 5月 2026
16AQI (US)
12th 5月 2026
26AQI (US)
13th 5月 2026
33AQI (US)
14th 5月 2026
30AQI (US)
15th 5月 2026
27AQI (US)
16th 5月 2026
22AQI (US)
17th 5月 2026
18AQI (US)
18th 5月 2026
33AQI (US)
19th 5月 2026
28AQI (US)
20th 5月 2026
18AQI (US)
21st 5月 2026
20AQI (US)
22nd 5月 2026
20AQI (US)
23rd 5月 2026
23AQI (US)
24th 5月 2026
18AQI (US)
25th 5月 2026
18AQI (US)
26th 5月 2026
17AQI (US)
27th 5月 2026
14AQI (US)
28th 5月 2026
18AQI (US)
29th 5月 2026
16AQI (US)
30th 5月 2026
13AQI (US)
31st 5月 2026
15AQI (US)
1st 6月 2026
16AQI (US)
2nd 6月 2026
16AQI (US)
3rd 6月 2026
19AQI (US)
4th 6月 2026
18AQI (US)
5th 6月 2026
25AQI (US)
6th 6月 2026
21AQI (US)
7th 6月 2026
22AQI (US)
8th 6月 2026
25AQI (US)
9th 6月 2026
21AQI (US)
10th 6月 2026
33AQI (US)
11th 6月 2026
27AQI (US)
12th 6月 2026
24AQI (US)
13th 6月 2026
23AQI (US)
14th 6月 2026
21AQI (US)
15th 6月 2026
21AQI (US)
16th 6月 2026
22AQI (US)
17th 6月 2026
30AQI (US)
18th 6月 2026
29AQI (US)
19th 6月 2026
35AQI (US)
20th 6月 2026
37AQI (US)
21st 6月 2026
24AQI (US)
22nd 6月 2026
23AQI (US)
23rd 6月 2026
35AQI (US)
24th 6月 2026
22AQI (US)
25th 6月 2026
16AQI (US)
26th 6月 2026
13AQI (US)
27th 6月 2026
15AQI (US)
28th 6月 2026
44AQI (US)
29th 6月 2026
27AQI (US)
30th 6月 2026
31AQI (US)
1st 7月 2026
40AQI (US)
2nd 7月 2026
35AQI (US)
3rd 7月 2026
36AQI (US)
4th 7月 2026
24AQI (US)
5th 7月 2026
25AQI (US)
6th 7月 2026
37AQI (US)
7th 7月 2026
40AQI (US)
8th 7月 2026
23AQI (US)
9th 7月 2026
13AQI (US)
10th 7月 2026
15AQI (US)
11th 7月 2026
12AQI (US)
12th 7月 2026
13AQI (US)
13th 7月 2026
20AQI (US)
14th 7月 2026
23AQI (US)
15th 7月 2026
22AQI (US)
16th 7月 2026
24AQI (US)
17th 7月 2026
27AQI (US)
18th 7月 2026
34AQI (US)
19th 7月 2026
29AQI (US)
20th 7月 2026
34AQI (US)
21st 7月 2026
37AQI (US)
22nd 7月 2026
29AQI (US)
23rd 7月 2026
31AQI (US)
24th 7月 2026
31AQI (US)
25th 7月 2026
29AQI (US)
26th 7月 2026
27AQI (US)
27th 7月 2026
26AQI (US)
28th 7月 2026
34AQI (US)
29th 7月 2026
35AQI (US)
30th 7月 2026
30AQI (US)
31st 7月 2026
29AQI (US)
1st 8月 2026
31AQI (US)
2nd 8月 2026
29AQI (US)
3rd 8月 2026
59AQI (US)
4th 8月 2026
62AQI (US)
5th 8月 2026
54AQI (US)
6th 8月 2026
50AQI (US)
7th 8月 2026
53AQI (US)
8th 8月 2026
49AQI (US)
9th 8月 2026
33AQI (US)
10th 8月 2026
39AQI (US)
11th 8月 2026
31AQI (US)
12th 8月 2026
28AQI (US)
13th 8月 2026
14th 8月 2026
15th 8月 2026
16th 8月 2026
17th 8月 2026
18th 8月 2026
19th 8月 2026
20th 8月 2026
21st 8月 2026
22nd 8月 2026
23rd 8月 2026
24th 8月 2026
25th 8月 2026
26th 8月 2026
27th 8月 2026
28th 8月 2026
29th 8月 2026
30th 8月 2026
31st 8月 2026
1st 9月 2026
2nd 9月 2026
3rd 9月 2026
4th 9月 2026
5th 9月 2026
6th 9月 2026
7th 9月 2026
8th 9月 2026
9th 9月 2026
10th 9月 2026
11th 9月 2026
12th 9月 2026
13th 9月 2026
14th 9月 2026
15th 9月 2026
16th 9月 2026
17th 9月 2026
18th 9月 2026
19th 9月 2026
20th 9月 2026
21st 9月 2026
22nd 9月 2026
23rd 9月 2026
24th 9月 2026
25th 9月 2026
26th 9月 2026
27th 9月 2026
28th 9月 2026
29th 9月 2026
30th 9月 2026
1st 10月 2026
2nd 10月 2026
3rd 10月 2026
4th 10月 2026
5th 10月 2026
6th 10月 2026
7th 10月 2026
8th 10月 2026
9th 10月 2026
10th 10月 2026
11th 10月 2026
12th 10月 2026
13th 10月 2026
14th 10月 2026
15th 10月 2026
16th 10月 2026
17th 10月 2026
18th 10月 2026
19th 10月 2026
20th 10月 2026
21st 10月 2026
22nd 10月 2026
23rd 10月 2026
24th 10月 2026
25th 10月 2026
26th 10月 2026
27th 10月 2026
28th 10月 2026
29th 10月 2026
30th 10月 2026
31st 10月 2026
1st 11月 2026
2nd 11月 2026
3rd 11月 2026
4th 11月 2026
5th 11月 2026
6th 11月 2026
7th 11月 2026
8th 11月 2026
9th 11月 2026
10th 11月 2026
11th 11月 2026
12th 11月 2026
13th 11月 2026
14th 11月 2026
15th 11月 2026
16th 11月 2026
17th 11月 2026
18th 11月 2026
19th 11月 2026
20th 11月 2026
21st 11月 2026
22nd 11月 2026
23rd 11月 2026
24th 11月 2026
25th 11月 2026
26th 11月 2026
27th 11月 2026
28th 11月 2026
29th 11月 2026
30th 11月 2026
1st 12月 2026
2nd 12月 2026
3rd 12月 2026
4th 12月 2026
5th 12月 2026
6th 12月 2026
7th 12月 2026
8th 12月 2026
9th 12月 2026
10th 12月 2026
11th 12月 2026
12th 12月 2026
13th 12月 2026
14th 12月 2026
15th 12月 2026
16th 12月 2026
17th 12月 2026
18th 12月 2026
19th 12月 2026
20th 12月 2026
21st 12月 2026
22nd 12月 2026
23rd 12月 2026
24th 12月 2026
25th 12月 2026
26th 12月 2026
27th 12月 2026
28th 12月 2026
29th 12月 2026
30th 12月 2026
31st 12月 2026

23AQI (US)

23AQI (US)

23AQI (US)

21AQI (US)

20AQI (US)

25AQI (US)

28AQI (US)

43AQI (US)

日数

1月2月3月4月5月6月7月8月9月10月11月12月総日数

202624AQI (US)

31
28
31
28
30
30
31
8
4
217
4

記録された最高 AQI (US)

8月

43AQI (US)

記録された最低 AQI (US)

5月

20AQI (US)

202529AQI (US)

31
28
31
29
1
31
30
28
3
25
6
25
5
31
30
31
350
15

記録された最高 AQI (US)

8月

42AQI (US)

記録された最低 AQI (US)

3月

20AQI (US)

202424AQI (US)

30
1
29
31
30
31
30
26
5
29
2
29
1
28
3
30
31
354
12

記録された最高 AQI (US)

7月

34AQI (US)

記録された最低 AQI (US)

5月

17AQI (US)

202326AQI (US)

26
2
24
2
31
29
1
26
3
1
30
31
17
5
30
30
1
28
31
333
14
1

記録された最高 AQI (US)

5月

35AQI (US)

記録された最低 AQI (US)

12月

14AQI (US)

202227AQI (US)

29
1
21
1
30
1
14
2
1
31
27
3
21
2
26
3
31
30
30
292
11
1

記録された最高 AQI (US)

4月

35AQI (US)

記録された最低 AQI (US)

11月

23AQI (US)

202133AQI (US)

28
2
22
6
27
4
24
3
28
20
6
20
10
14
16
1
24
6
31
29
1
30
1
297
55
1

記録された最高 AQI (US)

8月

55AQI (US)

記録された最低 AQI (US)

5月

22AQI (US)

202036AQI (US)

3
3
5
1
13
5
25
2
29
1
20
8
19
10
20
10
1
29
30
1
193
41
1

記録された最高 AQI (US)

3月

56AQI (US)

記録された最低 AQI (US)

11月

24AQI (US)

過去7 年間の最も汚染された年と最も清浄な年

最も汚染された年
2020(平均)
36AQI (US)
最も清浄な年
2024(平均)
24AQI (US)

Boulder の年間 2026 AQI (US)（24）は、前年と比較して -16.1% (改善 AQI (US)) の平均パーセント変動を示しています: 2020 (36), 2021 (33), 2022 (27), 2023 (26), 2024 (24), 2025 (29)。