Country Background

Ashburn, Virginia, 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+

10月 空気品質分析

Ashburn, Virginia, United States

2021
2022
2023
2024
2025
AQI
.

AQIトレンド: 最高値と最低値

記録された最高AQIは
29th Oct 2023
55AQI
記録された最低AQIは
15th Oct 2023
10AQI


同日分析 (18th October ):
この日における AQI は 5 年間 で大きく変動しました: 2025 年は 1st 位、最高 AQI は 41 で、同日の空気品質は 良い です。

2024年の年次データをダウンロード

世界の大気品質レポート

Globe

昼夜AQIトレンド: 18th Oct - 19th Oct 2025

Ashburn, Virginia, United States

AQI
.

7 AM18th Oct 2025

6 PM

6 AM19th Oct 2025

昼間
平均最高時間
9AM18th Oct

55AQI

平均最低時間
4PM18th Oct

21AQI

夜間
平均最高時間
3AM19th Oct

58AQI

平均最低時間
7PM18th Oct

23AQI

過去24時間で、

Ashburn のAQI は 夜 の 58 で最高値を記録し、最も低い 21 は 4 PM に 日 に記録されました。

昼夜AQIトレンド : Sep - Oct 2025

Ashburn, Virginia, United States

SepOct
19th - 20th20th - 21st21st - 22nd22nd - 23rd23rd - 24th24th - 25th25th - 26th26th - 27th27th - 28th28th - 29th29th - 30th30th - 01st01st - 02nd02nd - 03rd03rd - 04th04th - 05th05th - 06th06th - 07th07th - 08th08th - 09th09th - 10th10th - 11th11th - 12th12th - 13th13th - 14th14th - 15th15th - 16th16th - 17th17th - 18th18th - 19th19th
19th Sep 2025417 AMAQI
19th Sep 2025418 AMAQI
19th Sep 2025439 AMAQI
19th Sep 20254310 AMAQI
19th Sep 20254411 AMAQI
19th Sep 20254212 PMAQI
19th Sep 2025421 PMAQI
19th Sep 2025402 PMAQI
19th Sep 2025413 PMAQI
19th Sep 2025414 PMAQI
19th Sep 2025415 PMAQI
19th Sep 2025426 PMAQI
19th Sep 2025427 PMAQI
19th Sep 2025428 PMAQI
19th Sep 2025449 PMAQI
19th Sep 20254510 PMAQI
19th Sep 20254411 PMAQI
20th Sep 20254612 AMAQI
20th Sep 2025461 AMAQI
20th Sep 2025482 AMAQI
20th Sep 2025493 AMAQI
20th Sep 2025474 AMAQI
20th Sep 2025405 AMAQI
20th Sep 2025326 AMAQI

25°C15/33°C

20th Sep 2025327 AMAQI
20th Sep 2025328 AMAQI
20th Sep 2025319 AMAQI
20th Sep 20253010 AMAQI
20th Sep 20252811 AMAQI
20th Sep 20252812 PMAQI
20th Sep 2025281 PMAQI
20th Sep 2025302 PMAQI
20th Sep 2025323 PMAQI
20th Sep 2025344 PMAQI
20th Sep 2025345 PMAQI
20th Sep 2025346 PMAQI
20th Sep 2025357 PMAQI
20th Sep 2025348 PMAQI
20th Sep 2025369 PMAQI
20th Sep 20253510 PMAQI
20th Sep 20253611 PMAQI
21st Sep 20253712 AMAQI
21st Sep 2025361 AMAQI
21st Sep 2025352 AMAQI
21st Sep 2025323 AMAQI
21st Sep 2025334 AMAQI
21st Sep 2025355 AMAQI
21st Sep 2025346 AMAQI

21°C18/22°C

21st Sep 2025337 AMAQI
21st Sep 2025328 AMAQI
21st Sep 2025339 AMAQI
21st Sep 20253210 AMAQI
21st Sep 20253211 AMAQI
21st Sep 20253212 PMAQI
21st Sep 2025321 PMAQI
21st Sep 2025332 PMAQI
21st Sep 2025343 PMAQI
21st Sep 2025344 PMAQI
21st Sep 2025345 PMAQI
21st Sep 2025346 PMAQI
21st Sep 2025347 PMAQI
21st Sep 2025338 PMAQI
21st Sep 2025349 PMAQI
21st Sep 20253410 PMAQI
21st Sep 20253311 PMAQI
22nd Sep 20253312 AMAQI
22nd Sep 2025251 AMAQI
22nd Sep 2025252 AMAQI
22nd Sep 2025233 AMAQI
22nd Sep 2025234 AMAQI
22nd Sep 2025235 AMAQI
22nd Sep 2025226 AMAQI

21°C19/25°C

22nd Sep 2025237 AMAQI
22nd Sep 2025238 AMAQI
22nd Sep 2025249 AMAQI
22nd Sep 20252410 AMAQI
22nd Sep 20252611 AMAQI
22nd Sep 20252712 PMAQI
22nd Sep 2025281 PMAQI
22nd Sep 2025292 PMAQI
22nd Sep 2025313 PMAQI
22nd Sep 2025304 PMAQI
22nd Sep 2025295 PMAQI
22nd Sep 2025316 PMAQI
22nd Sep 2025297 PMAQI
22nd Sep 2025298 PMAQI
22nd Sep 2025349 PMAQI
22nd Sep 20253410 PMAQI
22nd Sep 20253411 PMAQI
23rd Sep 20253712 AMAQI
23rd Sep 2025421 AMAQI
23rd Sep 2025422 AMAQI
23rd Sep 2025403 AMAQI
23rd Sep 2025404 AMAQI
23rd Sep 2025385 AMAQI
23rd Sep 2025386 AMAQI

21°C16/28°C

23rd Sep 2025397 AMAQI
23rd Sep 2025408 AMAQI
23rd Sep 2025429 AMAQI
23rd Sep 20254210 AMAQI
23rd Sep 20254511 AMAQI
23rd Sep 20254612 PMAQI
23rd Sep 2025501 PMAQI
23rd Sep 2025482 PMAQI
23rd Sep 2025473 PMAQI
23rd Sep 2025464 PMAQI
23rd Sep 2025445 PMAQI
23rd Sep 2025416 PMAQI
23rd Sep 2025427 PMAQI
23rd Sep 2025418 PMAQI
23rd Sep 2025399 PMAQI
23rd Sep 20253810 PMAQI
23rd Sep 20253811 PMAQI
24th Sep 20253812 AMAQI
24th Sep 2025331 AMAQI
24th Sep 2025322 AMAQI
24th Sep 2025333 AMAQI
24th Sep 2025334 AMAQI
24th Sep 2025345 AMAQI
24th Sep 2025346 AMAQI

23°C18/33°C

24th Sep 2025337 AMAQI
24th Sep 2025358 AMAQI
24th Sep 2025349 AMAQI
24th Sep 20253710 AMAQI
24th Sep 20254311 AMAQI
24th Sep 20253912 PMAQI
24th Sep 2025381 PMAQI
24th Sep 2025382 PMAQI
24th Sep 2025423 PMAQI
24th Sep 2025434 PMAQI
24th Sep 2025455 PMAQI
24th Sep 2025466 PMAQI
24th Sep 2025407 PMAQI
24th Sep 2025408 PMAQI
24th Sep 2025459 PMAQI
24th Sep 20254610 PMAQI
24th Sep 20254611 PMAQI
25th Sep 20255412 AMAQI
25th Sep 2025571 AMAQI
25th Sep 2025552 AMAQI
25th Sep 2025553 AMAQI
25th Sep 2025554 AMAQI
25th Sep 2025555 AMAQI
25th Sep 2025546 AMAQI

23°C18/31°C

25th Sep 2025537 AMAQI
25th Sep 2025478 AMAQI
25th Sep 2025379 AMAQI
25th Sep 20253710 AMAQI
25th Sep 20254411 AMAQI
25th Sep 20254612 PMAQI
25th Sep 2025421 PMAQI
25th Sep 2025402 PMAQI
25th Sep 2025383 PMAQI
25th Sep 2025334 PMAQI
25th Sep 2025325 PMAQI
25th Sep 2025256 PMAQI
25th Sep 2025207 PMAQI
25th Sep 2025208 PMAQI
25th Sep 2025229 PMAQI
25th Sep 20252910 PMAQI
25th Sep 20254211 PMAQI
26th Sep 20253212 AMAQI
26th Sep 2025181 AMAQI
26th Sep 2025172 AMAQI
26th Sep 2025173 AMAQI
26th Sep 2025174 AMAQI
26th Sep 2025175 AMAQI
26th Sep 2025176 AMAQI

23°C21/29°C

26th Sep 2025177 AMAQI
26th Sep 2025208 AMAQI
26th Sep 2025269 AMAQI
26th Sep 20252910 AMAQI
26th Sep 20252211 AMAQI
26th Sep 20252312 PMAQI
26th Sep 2025261 PMAQI
26th Sep 2025302 PMAQI
26th Sep 2025303 PMAQI
26th Sep 2025304 PMAQI
26th Sep 2025275 PMAQI
26th Sep 2025266 PMAQI
26th Sep 2025267 PMAQI
26th Sep 2025308 PMAQI
26th Sep 2025349 PMAQI
26th Sep 20253610 PMAQI
26th Sep 20253511 PMAQI
27th Sep 20253312 AMAQI
27th Sep 2025331 AMAQI
27th Sep 2025332 AMAQI
27th Sep 2025333 AMAQI
27th Sep 2025334 AMAQI
27th Sep 2025335 AMAQI
27th Sep 2025356 AMAQI

23°C18/30°C

27th Sep 2025397 AMAQI
27th Sep 2025398 AMAQI
27th Sep 2025399 AMAQI
27th Sep 20253910 AMAQI
27th Sep 20253711 AMAQI
27th Sep 20253512 PMAQI
27th Sep 2025361 PMAQI
27th Sep 2025352 PMAQI
27th Sep 2025303 PMAQI
27th Sep 2025254 PMAQI
27th Sep 2025245 PMAQI
27th Sep 2025246 PMAQI
27th Sep 2025307 PMAQI
27th Sep 2025388 PMAQI
27th Sep 2025329 PMAQI
27th Sep 20253110 PMAQI
27th Sep 20253211 PMAQI
28th Sep 20252912 AMAQI
28th Sep 2025351 AMAQI
28th Sep 2025382 AMAQI
28th Sep 2025383 AMAQI
28th Sep 2025404 AMAQI
28th Sep 2025465 AMAQI
28th Sep 2025466 AMAQI

21°C18/26°C

28th Sep 2025427 AMAQI
28th Sep 2025388 AMAQI
28th Sep 2025359 AMAQI
28th Sep 20252810 AMAQI
28th Sep 20252411 AMAQI
28th Sep 20252012 PMAQI
28th Sep 2025161 PMAQI
28th Sep 2025182 PMAQI
28th Sep 2025173 PMAQI
28th Sep 2025214 PMAQI
28th Sep 2025175 PMAQI
28th Sep 2025266 PMAQI
28th Sep 2025357 PMAQI
28th Sep 2025308 PMAQI
28th Sep 2025329 PMAQI
28th Sep 20253810 PMAQI
28th Sep 20253411 PMAQI
29th Sep 20253112 AMAQI
29th Sep 2025281 AMAQI
29th Sep 2025352 AMAQI
29th Sep 2025283 AMAQI
29th Sep 2025274 AMAQI
29th Sep 2025325 AMAQI
29th Sep 2025326 AMAQI

23°C18/31°C

29th Sep 2025227 AMAQI
29th Sep 2025208 AMAQI
29th Sep 2025209 AMAQI
29th Sep 20253010 AMAQI
29th Sep 20252711 AMAQI
29th Sep 20253412 PMAQI
29th Sep 2025321 PMAQI
29th Sep 2025302 PMAQI
29th Sep 2025293 PMAQI
29th Sep 2025314 PMAQI
29th Sep 2025195 PMAQI
29th Sep 2025186 PMAQI
29th Sep 2025177 PMAQI
29th Sep 2025198 PMAQI
29th Sep 2025259 PMAQI
29th Sep 20252310 PMAQI
29th Sep 20251911 PMAQI
30th Sep 20252512 AMAQI
30th Sep 2025251 AMAQI
30th Sep 2025262 AMAQI
30th Sep 2025313 AMAQI
30th Sep 2025354 AMAQI
30th Sep 2025355 AMAQI
30th Sep 2025446 AMAQI

22°C16/31°C

30th Sep 2025567 AMAQI
30th Sep 2025518 AMAQI
30th Sep 2025319 AMAQI
30th Sep 20253110 AMAQI
30th Sep 20254811 AMAQI
30th Sep 20254712 PMAQI
30th Sep 2025271 PMAQI
30th Sep 2025382 PMAQI
30th Sep 2025383 PMAQI
30th Sep 2025204 PMAQI
30th Sep 2025195 PMAQI
30th Sep 2025196 PMAQI
30th Sep 2025217 PMAQI
30th Sep 2025208 PMAQI
30th Sep 2025199 PMAQI
30th Sep 20252810 PMAQI
30th Sep 20253611 PMAQI
1st Oct 20253312 AMAQI
1st Oct 2025331 AMAQI
1st Oct 2025382 AMAQI
1st Oct 2025373 AMAQI
1st Oct 2025384 AMAQI
1st Oct 2025395 AMAQI
1st Oct 2025376 AMAQI

21°C17/27°C

1st Oct 2025367 AMAQI
1st Oct 2025348 AMAQI
1st Oct 2025339 AMAQI
1st Oct 20253010 AMAQI
1st Oct 20252611 AMAQI
1st Oct 20253612 PMAQI
1st Oct 2025401 PMAQI
1st Oct 2025392 PMAQI
1st Oct 2025413 PMAQI
1st Oct 2025404 PMAQI
1st Oct 2025375 PMAQI
1st Oct 2025386 PMAQI
1st Oct 2025457 PMAQI
1st Oct 2025528 PMAQI
1st Oct 2025549 PMAQI
1st Oct 20255410 PMAQI
1st Oct 20255611 PMAQI
2nd Oct 20255512 AMAQI
2nd Oct 2025451 AMAQI
2nd Oct 2025302 AMAQI
2nd Oct 2025323 AMAQI
2nd Oct 2025354 AMAQI
2nd Oct 2025385 AMAQI
2nd Oct 2025346 AMAQI

19°C14/26°C

2nd Oct 2025397 AMAQI
2nd Oct 2025358 AMAQI
2nd Oct 2025359 AMAQI
2nd Oct 20253610 AMAQI
2nd Oct 20253511 AMAQI
2nd Oct 20254012 PMAQI
2nd Oct 2025371 PMAQI
2nd Oct 2025342 PMAQI
2nd Oct 2025363 PMAQI
2nd Oct 2025344 PMAQI
2nd Oct 2025355 PMAQI
2nd Oct 2025356 PMAQI
2nd Oct 2025197 PMAQI
2nd Oct 2025318 PMAQI
2nd Oct 2025219 PMAQI
2nd Oct 20251210 PMAQI
2nd Oct 2025911 PMAQI
3rd Oct 20251112 AMAQI
3rd Oct 2025111 AMAQI
3rd Oct 2025122 AMAQI
3rd Oct 2025113 AMAQI
3rd Oct 2025114 AMAQI
3rd Oct 2025105 AMAQI
3rd Oct 2025106 AMAQI

15°C8/23°C

3rd Oct 202587 AMAQI
3rd Oct 2025118 AMAQI
3rd Oct 2025159 AMAQI
3rd Oct 20252010 AMAQI
3rd Oct 20251811 AMAQI
3rd Oct 20251812 PMAQI
3rd Oct 2025171 PMAQI
3rd Oct 2025202 PMAQI
3rd Oct 2025223 PMAQI
3rd Oct 2025234 PMAQI
3rd Oct 2025345 PMAQI
3rd Oct 2025396 PMAQI
3rd Oct 2025387 PMAQI
3rd Oct 2025438 PMAQI
3rd Oct 2025479 PMAQI
3rd Oct 20254210 PMAQI
3rd Oct 20254811 PMAQI
4th Oct 20254912 AMAQI
4th Oct 2025421 AMAQI
4th Oct 2025372 AMAQI
4th Oct 2025373 AMAQI
4th Oct 2025454 AMAQI
4th Oct 2025255 AMAQI
4th Oct 2025376 AMAQI

16°C9/26°C

4th Oct 2025417 AMAQI
4th Oct 2025248 AMAQI
4th Oct 2025499 AMAQI
4th Oct 20255810 AMAQI
4th Oct 20255611 AMAQI
4th Oct 20253112 PMAQI
4th Oct 2025181 PMAQI
4th Oct 2025382 PMAQI
4th Oct 2025513 PMAQI
4th Oct 2025444 PMAQI
4th Oct 2025255 PMAQI
4th Oct 2025186 PMAQI
4th Oct 2025187 PMAQI
4th Oct 2025168 PMAQI
4th Oct 2025149 PMAQI
4th Oct 20253110 PMAQI
4th Oct 20254011 PMAQI
5th Oct 20253712 AMAQI
5th Oct 2025411 AMAQI
5th Oct 2025482 AMAQI
5th Oct 2025463 AMAQI
5th Oct 2025494 AMAQI
5th Oct 2025545 AMAQI
5th Oct 2025536 AMAQI

18°C9/29°C

5th Oct 2025527 AMAQI
5th Oct 2025518 AMAQI
5th Oct 2025529 AMAQI
5th Oct 20255110 AMAQI
5th Oct 20255211 AMAQI
5th Oct 20255012 PMAQI
5th Oct 2025471 PMAQI
5th Oct 2025462 PMAQI
5th Oct 2025413 PMAQI
5th Oct 2025394 PMAQI
5th Oct 2025395 PMAQI
5th Oct 2025406 PMAQI
5th Oct 2025397 PMAQI
5th Oct 2025418 PMAQI
5th Oct 2025409 PMAQI
5th Oct 20253810 PMAQI
5th Oct 20254311 PMAQI
6th Oct 20254612 AMAQI
6th Oct 2025401 AMAQI
6th Oct 2025422 AMAQI
6th Oct 2025393 AMAQI
6th Oct 2025454 AMAQI
6th Oct 2025465 AMAQI
6th Oct 2025456 AMAQI

19°C10/30°C

6th Oct 2025477 AMAQI
6th Oct 2025458 AMAQI
6th Oct 2025459 AMAQI
6th Oct 20254510 AMAQI
6th Oct 20255011 AMAQI
6th Oct 20255112 PMAQI
6th Oct 2025501 PMAQI

21°C13/31°C

7th Oct 2025377 AMAQI
7th Oct 2025138 AMAQI
7th Oct 2025159 AMAQI
7th Oct 20253310 AMAQI
7th Oct 20253911 AMAQI
7th Oct 20254212 PMAQI
7th Oct 2025361 PMAQI
7th Oct 2025292 PMAQI
7th Oct 2025313 PMAQI
7th Oct 2025304 PMAQI
7th Oct 2025355 PMAQI
7th Oct 2025316 PMAQI
7th Oct 2025217 PMAQI
7th Oct 2025198 PMAQI
7th Oct 2025179 PMAQI
7th Oct 20251510 PMAQI
7th Oct 20251411 PMAQI
8th Oct 20253012 AMAQI
8th Oct 2025381 AMAQI
8th Oct 2025192 AMAQI
8th Oct 2025113 AMAQI
8th Oct 2025114 AMAQI
8th Oct 2025115 AMAQI
8th Oct 2025106 AMAQI

22°C15/30°C

8th Oct 2025107 AMAQI
8th Oct 202588 AMAQI
8th Oct 202579 AMAQI
8th Oct 2025710 AMAQI
8th Oct 2025811 AMAQI
8th Oct 20251012 PMAQI
8th Oct 2025111 PMAQI
8th Oct 2025112 PMAQI
8th Oct 2025143 PMAQI
8th Oct 2025154 PMAQI
8th Oct 2025135 PMAQI
8th Oct 2025196 PMAQI
8th Oct 2025247 PMAQI
8th Oct 2025258 PMAQI
8th Oct 2025289 PMAQI
8th Oct 20253610 PMAQI
8th Oct 20254411 PMAQI
9th Oct 20254712 AMAQI
9th Oct 2025501 AMAQI
9th Oct 2025442 AMAQI
9th Oct 2025473 AMAQI
9th Oct 2025234 AMAQI
9th Oct 2025115 AMAQI
9th Oct 2025306 AMAQI

19°C13/23°C

9th Oct 2025367 AMAQI
9th Oct 2025188 AMAQI
9th Oct 202599 AMAQI
9th Oct 2025810 AMAQI
9th Oct 20253011 AMAQI
9th Oct 20254012 PMAQI
9th Oct 2025181 PMAQI
9th Oct 202592 PMAQI
9th Oct 2025193 PMAQI
9th Oct 2025164 PMAQI
9th Oct 2025165 PMAQI
9th Oct 2025176 PMAQI
9th Oct 202577 PMAQI
9th Oct 202578 PMAQI
9th Oct 202599 PMAQI
9th Oct 2025910 PMAQI
9th Oct 2025811 PMAQI
10th Oct 2025912 AMAQI
10th Oct 202591 AMAQI
10th Oct 2025102 AMAQI
10th Oct 2025103 AMAQI
10th Oct 2025144 AMAQI
10th Oct 2025305 AMAQI
10th Oct 2025346 AMAQI

13°C8/19°C

10th Oct 2025517 AMAQI
10th Oct 2025398 AMAQI
10th Oct 2025399 AMAQI
10th Oct 20254310 AMAQI
10th Oct 20252511 AMAQI
10th Oct 20251512 PMAQI
10th Oct 2025141 PMAQI
10th Oct 2025122 PMAQI
10th Oct 2025123 PMAQI
10th Oct 2025114 PMAQI
10th Oct 2025115 PMAQI
10th Oct 2025146 PMAQI
10th Oct 2025107 PMAQI
10th Oct 2025108 PMAQI
10th Oct 2025119 PMAQI
10th Oct 20251310 PMAQI
10th Oct 20251211 PMAQI
11th Oct 20252412 AMAQI
11th Oct 2025241 AMAQI
11th Oct 202592 AMAQI
11th Oct 2025103 AMAQI
11th Oct 2025104 AMAQI
11th Oct 2025105 AMAQI
11th Oct 2025316 AMAQI

12°C4/19°C

11th Oct 2025207 AMAQI
11th Oct 2025118 AMAQI
11th Oct 2025119 AMAQI
11th Oct 20251110 AMAQI
11th Oct 20251111 AMAQI
11th Oct 20251512 PMAQI
11th Oct 2025171 PMAQI
11th Oct 2025132 PMAQI
11th Oct 2025133 PMAQI
11th Oct 2025144 PMAQI
11th Oct 2025145 PMAQI
11th Oct 2025156 PMAQI
11th Oct 2025167 PMAQI
11th Oct 2025168 PMAQI
11th Oct 2025239 PMAQI
11th Oct 20254310 PMAQI
11th Oct 20255111 PMAQI
12th Oct 20254412 AMAQI
12th Oct 2025451 AMAQI
12th Oct 2025442 AMAQI
12th Oct 2025393 AMAQI
12th Oct 2025454 AMAQI
12th Oct 2025425 AMAQI
12th Oct 2025496 AMAQI

14°C6/22°C

12th Oct 2025467 AMAQI
12th Oct 2025208 AMAQI
12th Oct 2025119 AMAQI
12th Oct 20251210 AMAQI
12th Oct 20251411 AMAQI
12th Oct 20251512 PMAQI
12th Oct 2025151 PMAQI
12th Oct 2025142 PMAQI
12th Oct 2025313 PMAQI
12th Oct 2025184 PMAQI
12th Oct 202585 PMAQI
12th Oct 202596 PMAQI
12th Oct 202597 PMAQI
12th Oct 202598 PMAQI
12th Oct 2025189 PMAQI
12th Oct 20251110 PMAQI
12th Oct 2025611 PMAQI
13th Oct 20251612 AMAQI
13th Oct 2025261 AMAQI
13th Oct 2025242 AMAQI
13th Oct 2025243 AMAQI
13th Oct 2025254 AMAQI
13th Oct 2025245 AMAQI
13th Oct 2025266 AMAQI

17°C14/19°C

13th Oct 2025247 AMAQI
13th Oct 2025268 AMAQI
13th Oct 2025269 AMAQI
13th Oct 20252810 AMAQI
13th Oct 20252811 AMAQI
13th Oct 20253012 PMAQI
13th Oct 2025301 PMAQI
13th Oct 2025312 PMAQI
13th Oct 2025233 PMAQI
13th Oct 202574 PMAQI
13th Oct 2025255 PMAQI
13th Oct 2025326 PMAQI
13th Oct 2025327 PMAQI
13th Oct 2025288 PMAQI
13th Oct 2025269 PMAQI
13th Oct 20252710 PMAQI
13th Oct 20252611 PMAQI
14th Oct 20252412 AMAQI
14th Oct 2025261 AMAQI
14th Oct 2025252 AMAQI
14th Oct 2025243 AMAQI
14th Oct 2025264 AMAQI
14th Oct 2025255 AMAQI
14th Oct 2025276 AMAQI

15°C14/17°C

14th Oct 2025257 AMAQI
14th Oct 2025268 AMAQI
14th Oct 2025169 AMAQI
14th Oct 2025610 AMAQI
14th Oct 2025611 AMAQI
14th Oct 2025712 PMAQI
14th Oct 2025171 PMAQI
14th Oct 2025232 PMAQI
14th Oct 2025213 PMAQI
14th Oct 2025234 PMAQI
14th Oct 202575 PMAQI
14th Oct 202586 PMAQI
14th Oct 2025187 PMAQI
14th Oct 2025118 PMAQI
14th Oct 2025209 PMAQI
14th Oct 20251010 PMAQI
14th Oct 20251711 PMAQI
15th Oct 20252112 AMAQI
15th Oct 202561 AMAQI
15th Oct 202562 AMAQI
15th Oct 202563 AMAQI
15th Oct 202564 AMAQI
15th Oct 202565 AMAQI
15th Oct 202566 AMAQI

16°C11/24°C

15th Oct 202567 AMAQI
15th Oct 202578 AMAQI
15th Oct 202589 AMAQI
15th Oct 20252610 AMAQI
15th Oct 20253411 AMAQI
15th Oct 20253912 PMAQI
15th Oct 2025411 PMAQI
15th Oct 2025462 PMAQI
15th Oct 2025473 PMAQI
15th Oct 2025504 PMAQI
15th Oct 2025485 PMAQI
15th Oct 2025446 PMAQI
15th Oct 2025427 PMAQI
15th Oct 2025388 PMAQI
15th Oct 2025219 PMAQI
15th Oct 20252110 PMAQI
15th Oct 20252311 PMAQI
16th Oct 20253112 AMAQI
16th Oct 2025331 AMAQI
16th Oct 2025362 AMAQI
16th Oct 2025383 AMAQI
16th Oct 2025404 AMAQI
16th Oct 2025155 AMAQI
16th Oct 202586 AMAQI

17°C9/26°C

16th Oct 202567 AMAQI
16th Oct 202578 AMAQI
16th Oct 202589 AMAQI
16th Oct 20251410 AMAQI
16th Oct 20251811 AMAQI
16th Oct 20252012 PMAQI
16th Oct 2025221 PMAQI
16th Oct 2025132 PMAQI
16th Oct 2025153 PMAQI
16th Oct 2025104 PMAQI
16th Oct 2025105 PMAQI
16th Oct 2025106 PMAQI
16th Oct 2025167 PMAQI
16th Oct 2025118 PMAQI
16th Oct 2025249 PMAQI
16th Oct 20253510 PMAQI
16th Oct 20253411 PMAQI
17th Oct 20252812 AMAQI
17th Oct 2025261 AMAQI
17th Oct 2025232 AMAQI
17th Oct 2025213 AMAQI
17th Oct 2025154 AMAQI
17th Oct 2025145 AMAQI
17th Oct 202576 AMAQI

13°C7/20°C

17th Oct 202567 AMAQI
17th Oct 202568 AMAQI
17th Oct 202569 AMAQI
17th Oct 20251110 AMAQI
17th Oct 20251711 AMAQI
17th Oct 20252012 PMAQI
17th Oct 2025271 PMAQI
17th Oct 2025212 PMAQI
17th Oct 2025183 PMAQI
17th Oct 2025174 PMAQI
17th Oct 2025145 PMAQI
17th Oct 2025156 PMAQI
17th Oct 2025137 PMAQI
17th Oct 2025148 PMAQI
17th Oct 2025229 PMAQI
17th Oct 20255310 PMAQI
17th Oct 20255011 PMAQI
18th Oct 20254612 AMAQI
18th Oct 2025411 AMAQI
18th Oct 2025462 AMAQI
18th Oct 2025443 AMAQI
18th Oct 2025444 AMAQI
18th Oct 2025425 AMAQI
18th Oct 2025426 AMAQI

11°C4/20°C

18th Oct 2025407 AMAQI
18th Oct 2025498 AMAQI
18th Oct 2025559 AMAQI
18th Oct 20255310 AMAQI
18th Oct 20254511 AMAQI
18th Oct 20254012 PMAQI
18th Oct 2025331 PMAQI
18th Oct 2025312 PMAQI
18th Oct 2025293 PMAQI
18th Oct 2025214 PMAQI
18th Oct 2025345 PMAQI
18th Oct 2025406 PMAQI
18th Oct 2025237 PMAQI
18th Oct 2025318 PMAQI
18th Oct 2025439 PMAQI
18th Oct 20254410 PMAQI
18th Oct 20254511 PMAQI
19th Oct 20255012 AMAQI
19th Oct 2025531 AMAQI
19th Oct 2025562 AMAQI
19th Oct 2025583 AMAQI
19th Oct 2025564 AMAQI
19th Oct 2025525 AMAQI
19th Oct 2025516 AMAQI

15°C6/25°C

19th Oct 2025527 AMAQI
7 AM
19th Oct 2025488 AMAQI
12 PM
6 PM
12 AM
6 AM

--°C/°C

昼間
平均最高時間
7 AM

33AQI

1 時間 / 日
30 時間 / 月
平均最低時間
5 PM - 6 PM

27AQI

2 時間 / 日
60 時間 / 月
過去30日間、昼間の最高AQIは 7 AM から 7 AM の間に記録され(平均 33)、最も低いAQIは 5 PM から 6 PM の間に記録され(平均 27)ました。
夜間
平均最高時間
12 AM - 2 AM

34AQI

3 時間 / 日
90 時間 / 月
平均最低時間
7 PM

26AQI

1 時間 / 日
30 時間 / 月
過去30日間、昼間の最高AQIは 12 AM から 2 AM の間に記録され(平均 34)、最も低いAQIは 7 PM から 7 PM の間に記録され(平均 26)ました。

2025 年間 vs 空気品質

Ashburn, Virginia, United States

2025

92%

267

8%

23

0.3%

1

過去292 日間の AQI カテゴリ別総日数(2025 年) (73 日残り)

良い
267 日
適度
23 日
悪い
1 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: 92%

健康リスクレベル:

非常に低い

2025 年、92% の 292 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

Ashburn, Virginia, United States

2025 年のAQIレベル

AQI
PM2.5
PM10
CO
SO2
NO2
O3

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 2025
-1th undefined 2025
-1th undefined 2025
1st 1月 2025
22AQI
2nd 1月 2025
21AQI
3rd 1月 2025
25AQI
4th 1月 2025
21AQI
5th 1月 2025
28AQI
6th 1月 2025
33AQI
7th 1月 2025
17AQI
8th 1月 2025
22AQI
9th 1月 2025
19AQI
10th 1月 2025
36AQI
11th 1月 2025
39AQI
12th 1月 2025
41AQI
13th 1月 2025
39AQI
14th 1月 2025
29AQI
15th 1月 2025
28AQI
16th 1月 2025
37AQI
17th 1月 2025
31AQI
18th 1月 2025
39AQI
19th 1月 2025
47AQI
20th 1月 2025
22AQI
21st 1月 2025
28AQI
22nd 1月 2025
37AQI
23rd 1月 2025
54AQI
24th 1月 2025
54AQI
25th 1月 2025
48AQI
26th 1月 2025
32AQI
27th 1月 2025
33AQI
28th 1月 2025
23AQI
29th 1月 2025
21AQI
30th 1月 2025
24AQI
31st 1月 2025
32AQI
1st 2月 2025
22AQI
2nd 2月 2025
21AQI
3rd 2月 2025
34AQI
4th 2月 2025
30AQI
5th 2月 2025
23AQI
6th 2月 2025
28AQI
7th 2月 2025
23AQI
8th 2月 2025
27AQI
9th 2月 2025
27AQI
10th 2月 2025
33AQI
11th 2月 2025
35AQI
12th 2月 2025
50AQI
13th 2月 2025
24AQI
14th 2月 2025
22AQI
15th 2月 2025
23AQI
16th 2月 2025
19AQI
17th 2月 2025
19AQI
18th 2月 2025
20AQI
19th 2月 2025
31AQI
20th 2月 2025
28AQI
21st 2月 2025
24AQI
22nd 2月 2025
33AQI
23rd 2月 2025
32AQI
24th 2月 2025
37AQI
25th 2月 2025
30AQI
26th 2月 2025
29AQI
27th 2月 2025
37AQI
28th 2月 2025
22AQI
1st 3月 2025
22AQI
2nd 3月 2025
21AQI
3rd 3月 2025
31AQI
4th 3月 2025
35AQI
5th 3月 2025
20AQI
6th 3月 2025
17AQI
7th 3月 2025
23AQI
8th 3月 2025
22AQI
9th 3月 2025
24AQI
10th 3月 2025
24AQI
11th 3月 2025
30AQI
12th 3月 2025
25AQI
13th 3月 2025
38AQI
14th 3月 2025
52AQI
15th 3月 2025
46AQI
16th 3月 2025
26AQI
17th 3月 2025
19AQI
18th 3月 2025
18AQI
19th 3月 2025
25AQI
20th 3月 2025
29AQI
21st 3月 2025
16AQI
22nd 3月 2025
20AQI
23rd 3月 2025
19AQI
24th 3月 2025
26AQI
25th 3月 2025
18AQI
26th 3月 2025
19AQI
27th 3月 2025
21AQI
28th 3月 2025
32AQI
29th 3月 2025
57AQI
30th 3月 2025
37AQI
31st 3月 2025
26AQI
1st 4月 2025
21AQI
2nd 4月 2025
23AQI
3rd 4月 2025
33AQI
4th 4月 2025
27AQI
5th 4月 2025
39AQI
6th 4月 2025
41AQI
7th 4月 2025
22AQI
8th 4月 2025
24AQI
9th 4月 2025
18AQI
10th 4月 2025
22AQI
11th 4月 2025
30AQI
12th 4月 2025
28AQI
13th 4月 2025
23AQI
14th 4月 2025
31AQI
15th 4月 2025
26AQI
16th 4月 2025
17AQI
17th 4月 2025
21AQI
18th 4月 2025
37AQI
19th 4月 2025
55AQI
20th 4月 2025
40AQI
21st 4月 2025
32AQI
22nd 4月 2025
37AQI
23rd 4月 2025
28AQI
24th 4月 2025
57AQI
25th 4月 2025
39AQI
26th 4月 2025
39AQI
27th 4月 2025
13AQI
28th 4月 2025
17AQI
29th 4月 2025
32AQI
30th 4月 2025
29AQI
1st 5月 2025
38AQI
2nd 5月 2025
40AQI
3rd 5月 2025
35AQI
4th 5月 2025
23AQI
5th 5月 2025
25AQI
6th 5月 2025
21AQI
7th 5月 2025
20AQI
8th 5月 2025
31AQI
9th 5月 2025
20AQI
10th 5月 2025
19AQI
11th 5月 2025
28AQI
12th 5月 2025
32AQI
13th 5月 2025
18AQI
14th 5月 2025
24AQI
15th 5月 2025
29AQI
16th 5月 2025
47AQI
17th 5月 2025
27AQI
18th 5月 2025
16AQI
19th 5月 2025
20AQI
20th 5月 2025
19AQI
21st 5月 2025
17AQI
22nd 5月 2025
15AQI
23rd 5月 2025
14AQI
24th 5月 2025
14AQI
25th 5月 2025
16AQI
26th 5月 2025
19AQI
27th 5月 2025
25AQI
28th 5月 2025
18AQI
29th 5月 2025
19AQI
30th 5月 2025
29AQI
31st 5月 2025
34AQI
1st 6月 2025
19AQI
2nd 6月 2025
23AQI
3rd 6月 2025
26AQI
4th 6月 2025
48AQI
5th 6月 2025
58AQI
6th 6月 2025
53AQI
7th 6月 2025
38AQI
8th 6月 2025
48AQI
9th 6月 2025
43AQI
10th 6月 2025
43AQI
11th 6月 2025
58AQI
12th 6月 2025
66AQI
13th 6月 2025
69AQI
14th 6月 2025
45AQI
15th 6月 2025
40AQI
16th 6月 2025
22AQI
17th 6月 2025
22AQI
18th 6月 2025
34AQI
19th 6月 2025
25AQI
20th 6月 2025
23AQI
21st 6月 2025
36AQI
22nd 6月 2025
39AQI
23rd 6月 2025
51AQI
24th 6月 2025
56AQI
25th 6月 2025
55AQI
26th 6月 2025
48AQI
27th 6月 2025
38AQI
28th 6月 2025
25AQI
29th 6月 2025
33AQI
30th 6月 2025
36AQI
1st 7月 2025
45AQI
2nd 7月 2025
28AQI
3rd 7月 2025
40AQI
4th 7月 2025
56AQI
5th 7月 2025
102AQI
6th 7月 2025
56AQI
7th 7月 2025
37AQI
8th 7月 2025
42AQI
9th 7月 2025
34AQI
10th 7月 2025
33AQI
11th 7月 2025
41AQI
12th 7月 2025
40AQI
13th 7月 2025
33AQI
14th 7月 2025
31AQI
15th 7月 2025
26AQI
16th 7月 2025
28AQI
17th 7月 2025
26AQI
18th 7月 2025
27AQI
19th 7月 2025
34AQI
20th 7月 2025
29AQI
21st 7月 2025
29AQI
22nd 7月 2025
34AQI
23rd 7月 2025
57AQI
24th 7月 2025
46AQI
25th 7月 2025
49AQI
26th 7月 2025
38AQI
27th 7月 2025
36AQI
28th 7月 2025
32AQI
29th 7月 2025
44AQI
30th 7月 2025
50AQI
31st 7月 2025
43AQI
1st 8月 2025
34AQI
2nd 8月 2025
35AQI
3rd 8月 2025
39AQI
4th 8月 2025
50AQI
5th 8月 2025
67AQI
6th 8月 2025
69AQI
7th 8月 2025
74AQI
8th 8月 2025
65AQI
9th 8月 2025
33AQI
10th 8月 2025
32AQI
11th 8月 2025
36AQI
12th 8月 2025
27AQI
13th 8月 2025
24AQI
14th 8月 2025
25AQI
15th 8月 2025
41AQI
16th 8月 2025
46AQI
17th 8月 2025
47AQI
18th 8月 2025
31AQI
19th 8月 2025
22AQI
20th 8月 2025
19AQI
21st 8月 2025
21AQI
22nd 8月 2025
22AQI
23rd 8月 2025
28AQI
24th 8月 2025
29AQI
25th 8月 2025
25AQI
26th 8月 2025
19AQI
27th 8月 2025
21AQI
28th 8月 2025
23AQI
29th 8月 2025
26AQI
30th 8月 2025
19AQI
31st 8月 2025
26AQI
1st 9月 2025
26AQI
2nd 9月 2025
23AQI
3rd 9月 2025
33AQI
4th 9月 2025
32AQI
5th 9月 2025
37AQI
6th 9月 2025
51AQI
7th 9月 2025
33AQI
8th 9月 2025
21AQI
9th 9月 2025
22AQI
10th 9月 2025
22AQI
11th 9月 2025
22AQI
12th 9月 2025
29AQI
13th 9月 2025
37AQI
14th 9月 2025
45AQI
15th 9月 2025
51AQI
16th 9月 2025
38AQI
17th 9月 2025
25AQI
18th 9月 2025
28AQI
19th 9月 2025
41AQI
20th 9月 2025
37AQI
21st 9月 2025
34AQI
22nd 9月 2025
27AQI
23rd 9月 2025
42AQI
24th 9月 2025
39AQI
25th 9月 2025
41AQI
26th 9月 2025
25AQI
27th 9月 2025
33AQI
28th 9月 2025
32AQI
29th 9月 2025
26AQI
30th 9月 2025
30AQI
1st 10月 2025
40AQI
2nd 10月 2025
32AQI
3rd 10月 2025
24AQI
4th 10月 2025
34AQI
5th 10月 2025
46AQI
6th 10月 2025
44AQI
7th 10月 2025
26AQI
8th 10月 2025
19AQI
9th 10月 2025
22AQI
10th 10月 2025
18AQI
11th 10月 2025
19AQI
12th 10月 2025
24AQI
13th 10月 2025
26AQI
14th 10月 2025
18AQI
15th 10月 2025
24AQI
16th 10月 2025
21AQI
17th 10月 2025
20AQI
18th 10月 2025
41AQI
19th 10月 2025
20th 10月 2025
21st 10月 2025
22nd 10月 2025
23rd 10月 2025
24th 10月 2025
25th 10月 2025
26th 10月 2025
27th 10月 2025
28th 10月 2025
29th 10月 2025
30th 10月 2025
31st 10月 2025
1st 11月 2025
2nd 11月 2025
3rd 11月 2025
4th 11月 2025
5th 11月 2025
6th 11月 2025
7th 11月 2025
8th 11月 2025
9th 11月 2025
10th 11月 2025
11th 11月 2025
12th 11月 2025
13th 11月 2025
14th 11月 2025
15th 11月 2025
16th 11月 2025
17th 11月 2025
18th 11月 2025
19th 11月 2025
20th 11月 2025
21st 11月 2025
22nd 11月 2025
23rd 11月 2025
24th 11月 2025
25th 11月 2025
26th 11月 2025
27th 11月 2025
28th 11月 2025
29th 11月 2025
30th 11月 2025
1st 12月 2025
2nd 12月 2025
3rd 12月 2025
4th 12月 2025
5th 12月 2025
6th 12月 2025
7th 12月 2025
8th 12月 2025
9th 12月 2025
10th 12月 2025
11th 12月 2025
12th 12月 2025
13th 12月 2025
14th 12月 2025
15th 12月 2025
16th 12月 2025
17th 12月 2025
18th 12月 2025
19th 12月 2025
20th 12月 2025
21st 12月 2025
22nd 12月 2025
23rd 12月 2025
24th 12月 2025
25th 12月 2025
26th 12月 2025
27th 12月 2025
28th 12月 2025
29th 12月 2025
30th 12月 2025
31st 12月 2025

32AQI

28AQI

27AQI

30AQI

24AQI

41AQI

40AQI

35AQI

33AQI

28AQI


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

202532AQI

29
2
28
29
2
28
2
31
22
8
27
3
1
27
4
28
2
18
267
23
1

記録された最高 AQI

6月

41AQI


記録された最低 AQI

5月

24AQI


202431AQI

27
4
24
5
31
27
3
31
26
3
30
1
25
6
30
31
30
28
3
340
25

記録された最高 AQI

8月

37AQI


記録された最低 AQI

11月

24AQI


202338AQI

30
1
24
4
29
2
27
3
23
8
12
13
2
2
1
22
8
1
26
5
29
1
30
1
25
4
23
8
300
58
3
2
1

記録された最高 AQI

6月

71AQI


記録された最低 AQI

10月

25AQI


202232AQI

26
5
20
1
29
2
17
28
3
29
1
21
1
1
29
31
29
1
23
8
283
22

記録された最高 AQI

12月

40AQI


記録された最低 AQI

3月

29AQI


202134AQI

26
4
22
6
29
2
30
31
28
2
19
12
25
6
27
3
30
1
28
2
28
3
323
41

記録された最高 AQI

7月

49AQI


記録された最低 AQI

5月

26AQI


202030AQI

12
1
20
18
30
26
5
31
30
31
27
3
27
4
252
13

記録された最高 AQI

7月

36AQI


記録された最低 AQI

5月

25AQI


過去6 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
2023(平均)
38AQI
最も清浄な
2020(平均)
30AQI


Ashburn の年間 2025 AQI(32)は、前年と比較して -2.2% (改善 AQI) の平均パーセント変動を示しています: 2020 (30), 2021 (34), 2022 (32), 2023 (38), 2024 (31)。