Country Background

Johnstown, Pennsylvania, 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

Johnstown, Pennsylvania, 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
31st Oct 2022
58AQI
記録された最低AQIは
16th Oct 2023
14AQI


同日分析 (16th 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 3rd 位、最高 AQI は 23 で、2022 年と 2021 年に比べて改善が見られました。

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: 16th Oct - 17th Oct 2025

Johnstown, Pennsylvania, United States

AQI
.

7 AM16th Oct 2025

6 PM

6 AM17th Oct 2025

昼間
平均最高時間
12PM16th Oct

36AQI

平均最低時間
7AM16th Oct

13AQI

夜間
平均最高時間
9PM16th Oct

30AQI

平均最低時間
6AM17th Oct

17AQI

過去24時間で、

Johnstown のAQI は 日 の 36 で最高値を記録し、最も低い 13 は 7 AM に 日 に記録されました。

昼夜AQIトレンド : Sep - Oct 2025

Johnstown, Pennsylvania, United States

SepOct
17th - 18th18th - 19th19th - 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
17th Sep 2025407 AMAQI
17th Sep 2025408 AMAQI
17th Sep 2025409 AMAQI
17th Sep 20253910 AMAQI
17th Sep 20253911 AMAQI
17th Sep 20253612 PMAQI
17th Sep 2025331 PMAQI
17th Sep 2025342 PMAQI
17th Sep 2025333 PMAQI
17th Sep 2025334 PMAQI
17th Sep 2025325 PMAQI
17th Sep 2025336 PMAQI
17th Sep 2025387 PMAQI
17th Sep 2025378 PMAQI
17th Sep 2025359 PMAQI
17th Sep 20253510 PMAQI
17th Sep 20253411 PMAQI
18th Sep 20253412 AMAQI
18th Sep 2025311 AMAQI
18th Sep 2025262 AMAQI
18th Sep 2025263 AMAQI
18th Sep 2025274 AMAQI
18th Sep 2025265 AMAQI
18th Sep 2025286 AMAQI

16°C11/22°C

18th Sep 2025307 AMAQI
18th Sep 2025328 AMAQI
18th Sep 2025329 AMAQI
18th Sep 20253210 AMAQI
18th Sep 20253411 AMAQI
18th Sep 20253612 PMAQI
18th Sep 2025401 PMAQI
18th Sep 2025392 PMAQI
18th Sep 2025383 PMAQI
18th Sep 2025384 PMAQI
18th Sep 2025385 PMAQI
18th Sep 2025386 PMAQI
18th Sep 2025347 PMAQI
18th Sep 2025348 PMAQI
18th Sep 2025399 PMAQI
18th Sep 20254210 PMAQI
18th Sep 20253811 PMAQI
19th Sep 20253812 AMAQI
19th Sep 2025401 AMAQI
19th Sep 2025422 AMAQI
19th Sep 2025413 AMAQI
19th Sep 2025414 AMAQI
19th Sep 2025445 AMAQI
19th Sep 2025436 AMAQI

18°C8/28°C

19th Sep 2025477 AMAQI
19th Sep 2025488 AMAQI
19th Sep 2025479 AMAQI
19th Sep 20254810 AMAQI
19th Sep 20255011 AMAQI
19th Sep 20254912 PMAQI
19th Sep 2025481 PMAQI
19th Sep 2025502 PMAQI
19th Sep 2025513 PMAQI
19th Sep 2025524 PMAQI
19th Sep 2025525 PMAQI
19th Sep 2025516 PMAQI
19th Sep 2025497 PMAQI
19th Sep 2025508 PMAQI
19th Sep 2025509 PMAQI
19th Sep 20254810 PMAQI
19th Sep 20254611 PMAQI
20th Sep 20254812 AMAQI
20th Sep 2025501 AMAQI
20th Sep 2025502 AMAQI
20th Sep 2025493 AMAQI
20th Sep 2025484 AMAQI
20th Sep 2025445 AMAQI
20th Sep 2025406 AMAQI

20°C12/28°C

20th Sep 2025397 AMAQI
20th Sep 2025368 AMAQI
20th Sep 2025409 AMAQI
20th Sep 20254010 AMAQI
20th Sep 20253211 AMAQI
20th Sep 20253112 PMAQI
20th Sep 2025321 PMAQI
20th Sep 2025342 PMAQI
20th Sep 2025343 PMAQI
20th Sep 2025354 PMAQI
20th Sep 2025375 PMAQI
20th Sep 2025376 PMAQI
20th Sep 2025397 PMAQI
20th Sep 2025408 PMAQI
20th Sep 2025409 PMAQI
20th Sep 20254010 PMAQI
20th Sep 20253811 PMAQI
21st Sep 20253712 AMAQI
21st Sep 2025361 AMAQI
21st Sep 2025322 AMAQI
21st Sep 2025323 AMAQI
21st Sep 2025324 AMAQI
21st Sep 2025355 AMAQI
21st Sep 2025336 AMAQI

17°C15/20°C

21st Sep 2025337 AMAQI
21st Sep 2025338 AMAQI
21st Sep 2025349 AMAQI
21st Sep 20253210 AMAQI
21st Sep 20253311 AMAQI
21st Sep 20253612 PMAQI
21st Sep 2025361 PMAQI
21st Sep 2025362 PMAQI
21st Sep 2025373 PMAQI
21st Sep 2025364 PMAQI
21st Sep 2025345 PMAQI
21st Sep 2025356 PMAQI
21st Sep 2025347 PMAQI
21st Sep 2025338 PMAQI
21st Sep 2025329 PMAQI
21st Sep 20253210 PMAQI
21st Sep 20253111 PMAQI
22nd Sep 20253212 AMAQI
22nd Sep 2025321 AMAQI
22nd Sep 2025292 AMAQI
22nd Sep 2025293 AMAQI
22nd Sep 2025294 AMAQI
22nd Sep 2025295 AMAQI
22nd Sep 2025316 AMAQI

21°C16/26°C

22nd Sep 2025327 AMAQI
22nd Sep 2025338 AMAQI
22nd Sep 2025339 AMAQI
22nd Sep 20253410 AMAQI
22nd Sep 20253611 AMAQI
22nd Sep 20253812 PMAQI
22nd Sep 2025381 PMAQI
22nd Sep 2025382 PMAQI
22nd Sep 2025373 PMAQI
22nd Sep 2025374 PMAQI
22nd Sep 2025375 PMAQI
22nd Sep 2025376 PMAQI
22nd Sep 2025347 PMAQI
22nd Sep 2025328 PMAQI
22nd Sep 2025339 PMAQI
22nd Sep 20253110 PMAQI
22nd Sep 20252811 PMAQI
23rd Sep 20252612 AMAQI
23rd Sep 2025261 AMAQI
23rd Sep 2025202 AMAQI
23rd Sep 2025223 AMAQI
23rd Sep 2025254 AMAQI
23rd Sep 2025275 AMAQI
23rd Sep 2025286 AMAQI

22°C16/29°C

23rd Sep 2025287 AMAQI
23rd Sep 2025308 AMAQI
23rd Sep 2025309 AMAQI
23rd Sep 20253010 AMAQI
23rd Sep 20252911 AMAQI
23rd Sep 20252812 PMAQI
23rd Sep 2025281 PMAQI
23rd Sep 2025282 PMAQI
23rd Sep 2025283 PMAQI
23rd Sep 2025264 PMAQI
23rd Sep 2025265 PMAQI
23rd Sep 2025256 PMAQI
23rd Sep 2025267 PMAQI
23rd Sep 2025288 PMAQI
23rd Sep 2025289 PMAQI
23rd Sep 20252910 PMAQI
23rd Sep 20252911 PMAQI
24th Sep 20253112 AMAQI
24th Sep 2025311 AMAQI
24th Sep 2025322 AMAQI
24th Sep 2025333 AMAQI
24th Sep 2025334 AMAQI
24th Sep 2025345 AMAQI
24th Sep 2025366 AMAQI

20°C17/23°C

24th Sep 2025367 AMAQI
24th Sep 2025368 AMAQI
24th Sep 2025409 AMAQI
24th Sep 20254010 AMAQI
24th Sep 20253911 AMAQI
24th Sep 20253912 PMAQI
24th Sep 2025391 PMAQI
24th Sep 2025362 PMAQI
24th Sep 2025323 PMAQI
24th Sep 2025324 PMAQI
24th Sep 2025325 PMAQI
24th Sep 2025326 PMAQI
24th Sep 2025337 PMAQI
24th Sep 2025358 PMAQI
24th Sep 2025359 PMAQI
24th Sep 20253410 PMAQI
24th Sep 20253611 PMAQI
25th Sep 20253112 AMAQI
25th Sep 2025281 AMAQI
25th Sep 2025282 AMAQI
25th Sep 2025283 AMAQI
25th Sep 2025274 AMAQI
25th Sep 2025225 AMAQI
25th Sep 2025256 AMAQI

19°C16/25°C

25th Sep 2025257 AMAQI
25th Sep 2025248 AMAQI
25th Sep 2025219 AMAQI
25th Sep 20252010 AMAQI
25th Sep 20251711 AMAQI
25th Sep 20251812 PMAQI
25th Sep 2025171 PMAQI
25th Sep 2025172 PMAQI
25th Sep 2025183 PMAQI
25th Sep 2025184 PMAQI
25th Sep 2025185 PMAQI
25th Sep 2025176 PMAQI
25th Sep 2025187 PMAQI
25th Sep 2025208 PMAQI
25th Sep 2025239 PMAQI
25th Sep 20252210 PMAQI
25th Sep 20252211 PMAQI
26th Sep 20252212 AMAQI
26th Sep 2025221 AMAQI
26th Sep 2025242 AMAQI
26th Sep 2025253 AMAQI
26th Sep 2025224 AMAQI
26th Sep 2025225 AMAQI
26th Sep 2025226 AMAQI

19°C17/23°C

26th Sep 2025227 AMAQI
26th Sep 2025218 AMAQI
26th Sep 2025199 AMAQI
26th Sep 20252510 AMAQI
26th Sep 20252211 AMAQI
26th Sep 20252112 PMAQI
26th Sep 2025221 PMAQI
26th Sep 2025222 PMAQI
26th Sep 2025233 PMAQI
26th Sep 2025234 PMAQI
26th Sep 2025245 PMAQI
26th Sep 2025266 PMAQI
26th Sep 2025327 PMAQI
26th Sep 2025468 PMAQI
26th Sep 2025499 PMAQI
26th Sep 20254410 PMAQI
26th Sep 20254111 PMAQI
27th Sep 20254412 AMAQI
27th Sep 2025411 AMAQI
27th Sep 2025422 AMAQI
27th Sep 2025393 AMAQI
27th Sep 2025394 AMAQI
27th Sep 2025395 AMAQI
27th Sep 2025396 AMAQI

19°C15/26°C

27th Sep 2025377 AMAQI
27th Sep 2025338 AMAQI
27th Sep 2025339 AMAQI
27th Sep 20253210 AMAQI
27th Sep 20252811 AMAQI
27th Sep 20252612 PMAQI
27th Sep 2025211 PMAQI
27th Sep 2025212 PMAQI
27th Sep 2025233 PMAQI
27th Sep 2025244 PMAQI
27th Sep 2025175 PMAQI
27th Sep 2025176 PMAQI
27th Sep 2025177 PMAQI
27th Sep 2025198 PMAQI
27th Sep 2025189 PMAQI
27th Sep 20251710 PMAQI
27th Sep 20252011 PMAQI
28th Sep 20252112 AMAQI
28th Sep 2025191 AMAQI
28th Sep 2025242 AMAQI
28th Sep 2025353 AMAQI
28th Sep 2025404 AMAQI
28th Sep 2025415 AMAQI
28th Sep 2025426 AMAQI

17°C13/23°C

28th Sep 2025367 AMAQI
28th Sep 2025328 AMAQI
28th Sep 2025309 AMAQI
28th Sep 20253510 AMAQI
28th Sep 20253811 AMAQI
28th Sep 20253012 PMAQI
28th Sep 2025211 PMAQI
28th Sep 2025202 PMAQI
28th Sep 2025223 PMAQI
28th Sep 2025284 PMAQI
28th Sep 2025415 PMAQI
28th Sep 2025446 PMAQI
28th Sep 2025467 PMAQI
28th Sep 2025448 PMAQI
28th Sep 2025479 PMAQI
28th Sep 20254910 PMAQI
28th Sep 20254911 PMAQI
29th Sep 20254912 AMAQI
29th Sep 2025501 AMAQI
29th Sep 2025532 AMAQI
29th Sep 2025543 AMAQI
29th Sep 2025524 AMAQI
29th Sep 2025535 AMAQI
29th Sep 2025536 AMAQI

18°C11/28°C

29th Sep 2025527 AMAQI
29th Sep 2025458 AMAQI
29th Sep 2025519 AMAQI
29th Sep 20255110 AMAQI
29th Sep 20254511 AMAQI
29th Sep 20254212 PMAQI
29th Sep 2025431 PMAQI
29th Sep 2025332 PMAQI
29th Sep 2025333 PMAQI
29th Sep 2025194 PMAQI
29th Sep 2025205 PMAQI
29th Sep 2025206 PMAQI
29th Sep 2025207 PMAQI
29th Sep 2025248 PMAQI
29th Sep 2025269 PMAQI
29th Sep 20252210 PMAQI
29th Sep 20252211 PMAQI
30th Sep 20252312 AMAQI
30th Sep 2025251 AMAQI
30th Sep 2025232 AMAQI
30th Sep 2025203 AMAQI
30th Sep 2025234 AMAQI
30th Sep 2025345 AMAQI
30th Sep 2025276 AMAQI

19°C11/26°C

30th Sep 2025287 AMAQI
30th Sep 2025278 AMAQI
30th Sep 2025259 AMAQI
30th Sep 20252810 AMAQI
30th Sep 20253111 AMAQI
30th Sep 20253712 PMAQI
30th Sep 2025331 PMAQI
30th Sep 2025482 PMAQI
30th Sep 2025383 PMAQI
30th Sep 2025234 PMAQI
30th Sep 2025215 PMAQI
30th Sep 2025136 PMAQI
30th Sep 2025137 PMAQI
30th Sep 2025198 PMAQI
30th Sep 2025219 PMAQI
30th Sep 20252810 PMAQI
30th Sep 20253211 PMAQI
1st Oct 20253012 AMAQI
1st Oct 2025301 AMAQI
1st Oct 2025312 AMAQI
1st Oct 2025303 AMAQI
1st Oct 2025294 AMAQI
1st Oct 2025305 AMAQI
1st Oct 2025296 AMAQI

19°C13/28°C

1st Oct 2025317 AMAQI
1st Oct 2025348 AMAQI
1st Oct 2025339 AMAQI
1st Oct 20253110 AMAQI
1st Oct 20253211 AMAQI
1st Oct 20253412 PMAQI
1st Oct 2025201 PMAQI
1st Oct 2025182 PMAQI
1st Oct 2025213 PMAQI
1st Oct 2025204 PMAQI
1st Oct 2025175 PMAQI
1st Oct 2025166 PMAQI
1st Oct 2025177 PMAQI
1st Oct 2025218 PMAQI
1st Oct 2025199 PMAQI
1st Oct 20251810 PMAQI
1st Oct 20251911 PMAQI
2nd Oct 20251812 AMAQI
2nd Oct 2025181 AMAQI
2nd Oct 2025152 AMAQI
2nd Oct 2025133 AMAQI
2nd Oct 2025124 AMAQI
2nd Oct 2025125 AMAQI
2nd Oct 2025126 AMAQI

16°C10/25°C

2nd Oct 2025117 AMAQI
2nd Oct 2025138 AMAQI
2nd Oct 2025159 AMAQI
2nd Oct 20251410 AMAQI
2nd Oct 20251611 AMAQI
2nd Oct 20253712 PMAQI
2nd Oct 2025271 PMAQI
2nd Oct 2025342 PMAQI
2nd Oct 2025333 PMAQI
2nd Oct 2025194 PMAQI
2nd Oct 2025215 PMAQI
2nd Oct 2025226 PMAQI
2nd Oct 2025227 PMAQI
2nd Oct 2025188 PMAQI
2nd Oct 2025229 PMAQI
2nd Oct 20252610 PMAQI
2nd Oct 20252311 PMAQI
3rd Oct 20253212 AMAQI
3rd Oct 2025351 AMAQI
3rd Oct 2025352 AMAQI
3rd Oct 2025353 AMAQI
3rd Oct 2025244 AMAQI
3rd Oct 2025165 AMAQI
3rd Oct 2025206 AMAQI

14°C6/25°C

3rd Oct 2025197 AMAQI
3rd Oct 2025368 AMAQI
3rd Oct 2025509 AMAQI
3rd Oct 20255210 AMAQI
3rd Oct 20255211 AMAQI
3rd Oct 20254212 PMAQI
3rd Oct 2025361 PMAQI
3rd Oct 2025332 PMAQI
3rd Oct 2025343 PMAQI
3rd Oct 2025274 PMAQI
3rd Oct 2025365 PMAQI
3rd Oct 2025346 PMAQI
3rd Oct 2025337 PMAQI
3rd Oct 2025418 PMAQI
3rd Oct 2025379 PMAQI
3rd Oct 20253810 PMAQI
3rd Oct 20254511 PMAQI
4th Oct 20255412 AMAQI
4th Oct 2025511 AMAQI
4th Oct 2025542 AMAQI
4th Oct 2025543 AMAQI
4th Oct 2025534 AMAQI
4th Oct 2025495 AMAQI
4th Oct 2025516 AMAQI

16°C7/25°C

4th Oct 2025487 AMAQI
4th Oct 2025468 AMAQI
4th Oct 2025459 AMAQI
4th Oct 20255010 AMAQI
4th Oct 20254811 AMAQI
4th Oct 20254212 PMAQI
4th Oct 2025411 PMAQI
4th Oct 2025382 PMAQI
4th Oct 2025383 PMAQI
4th Oct 2025414 PMAQI
4th Oct 2025415 PMAQI
4th Oct 2025326 PMAQI
4th Oct 2025407 PMAQI
4th Oct 2025308 PMAQI
4th Oct 2025359 PMAQI
4th Oct 20254310 PMAQI
4th Oct 20255211 PMAQI
5th Oct 20255112 AMAQI
5th Oct 2025541 AMAQI
5th Oct 2025542 AMAQI
5th Oct 2025543 AMAQI
5th Oct 2025494 AMAQI
5th Oct 2025455 AMAQI
5th Oct 2025486 AMAQI

17°C7/28°C

5th Oct 2025457 AMAQI
5th Oct 2025478 AMAQI
5th Oct 2025469 AMAQI
5th Oct 20254410 AMAQI
5th Oct 20253811 AMAQI
5th Oct 20253712 PMAQI
5th Oct 2025391 PMAQI
5th Oct 2025392 PMAQI
5th Oct 2025383 PMAQI
5th Oct 2025444 PMAQI
5th Oct 2025245 PMAQI
5th Oct 2025236 PMAQI
5th Oct 2025277 PMAQI
5th Oct 2025258 PMAQI
5th Oct 2025239 PMAQI
5th Oct 20254110 PMAQI
5th Oct 20254011 PMAQI
6th Oct 20254112 AMAQI
6th Oct 2025391 AMAQI
6th Oct 2025422 AMAQI
6th Oct 2025383 AMAQI
6th Oct 2025374 AMAQI
6th Oct 2025395 AMAQI
6th Oct 2025396 AMAQI

18°C8/29°C

6th Oct 2025257 AMAQI
6th Oct 2025208 AMAQI
6th Oct 2025369 AMAQI
6th Oct 20253910 AMAQI
6th Oct 20253911 AMAQI
6th Oct 20253712 PMAQI
6th Oct 2025391 PMAQI

19°C10/29°C

7th Oct 2025387 AMAQI
7th Oct 2025468 AMAQI
7th Oct 2025439 AMAQI
7th Oct 20253910 AMAQI
7th Oct 20254011 AMAQI
7th Oct 20253812 PMAQI
7th Oct 2025411 PMAQI
7th Oct 2025372 PMAQI
7th Oct 2025403 PMAQI
7th Oct 2025384 PMAQI
7th Oct 2025255 PMAQI
7th Oct 2025216 PMAQI
7th Oct 2025167 PMAQI
7th Oct 2025138 PMAQI
7th Oct 2025139 PMAQI
7th Oct 20251310 PMAQI
7th Oct 20251411 PMAQI
8th Oct 20251412 AMAQI
8th Oct 2025171 AMAQI
8th Oct 2025182 AMAQI
8th Oct 2025143 AMAQI
8th Oct 2025224 AMAQI
8th Oct 2025165 AMAQI
8th Oct 2025136 AMAQI

18°C15/25°C

8th Oct 2025207 AMAQI
8th Oct 2025238 AMAQI
8th Oct 2025229 AMAQI
8th Oct 20252610 AMAQI
8th Oct 20251511 AMAQI
8th Oct 20251512 PMAQI
8th Oct 2025161 PMAQI
8th Oct 2025132 PMAQI
8th Oct 2025133 PMAQI
8th Oct 2025144 PMAQI
8th Oct 2025145 PMAQI
8th Oct 2025196 PMAQI
8th Oct 2025207 PMAQI
8th Oct 2025168 PMAQI
8th Oct 2025149 PMAQI
8th Oct 20251610 PMAQI
8th Oct 20251611 PMAQI
9th Oct 20251812 AMAQI
9th Oct 2025171 AMAQI
9th Oct 2025172 AMAQI
9th Oct 2025163 AMAQI
9th Oct 2025174 AMAQI
9th Oct 2025155 AMAQI
9th Oct 2025146 AMAQI

14°C7/16°C

9th Oct 2025147 AMAQI
9th Oct 2025158 AMAQI
9th Oct 2025199 AMAQI
9th Oct 20253510 AMAQI
9th Oct 20253711 AMAQI
9th Oct 20253812 PMAQI
9th Oct 2025401 PMAQI
9th Oct 2025202 PMAQI
9th Oct 2025223 PMAQI
9th Oct 2025214 PMAQI
9th Oct 2025305 PMAQI
9th Oct 2025336 PMAQI
9th Oct 2025377 PMAQI
9th Oct 2025178 PMAQI
9th Oct 2025219 PMAQI
9th Oct 20252010 PMAQI
9th Oct 20251711 PMAQI
10th Oct 20251712 AMAQI
10th Oct 2025171 AMAQI
10th Oct 2025202 AMAQI
10th Oct 2025213 AMAQI
10th Oct 2025224 AMAQI
10th Oct 2025355 AMAQI
10th Oct 2025266 AMAQI

9°C2/15°C

10th Oct 2025207 AMAQI
10th Oct 2025208 AMAQI
10th Oct 2025239 AMAQI
10th Oct 20253510 AMAQI
10th Oct 20253711 AMAQI
10th Oct 20252812 PMAQI
10th Oct 2025201 PMAQI
10th Oct 2025202 PMAQI
10th Oct 2025173 PMAQI
10th Oct 2025164 PMAQI
10th Oct 2025215 PMAQI
10th Oct 2025276 PMAQI
10th Oct 2025277 PMAQI
10th Oct 2025168 PMAQI
10th Oct 2025199 PMAQI
10th Oct 20251910 PMAQI
10th Oct 20251711 PMAQI
11th Oct 20253112 AMAQI
11th Oct 2025331 AMAQI
11th Oct 2025342 AMAQI
11th Oct 2025383 AMAQI
11th Oct 2025374 AMAQI
11th Oct 2025465 AMAQI
11th Oct 2025406 AMAQI

9°C3/18°C

11th Oct 2025427 AMAQI
11th Oct 2025378 AMAQI
11th Oct 2025389 AMAQI
11th Oct 20254510 AMAQI
11th Oct 20254711 AMAQI
11th Oct 20254612 PMAQI
11th Oct 2025401 PMAQI
11th Oct 2025242 PMAQI
11th Oct 2025173 PMAQI
11th Oct 2025154 PMAQI
11th Oct 2025145 PMAQI
11th Oct 2025196 PMAQI
11th Oct 2025227 PMAQI
11th Oct 2025248 PMAQI
11th Oct 2025229 PMAQI
11th Oct 20253110 PMAQI
11th Oct 20253711 PMAQI
12th Oct 20254412 AMAQI
12th Oct 2025491 AMAQI
12th Oct 2025512 AMAQI
12th Oct 2025433 AMAQI
12th Oct 2025464 AMAQI
12th Oct 2025455 AMAQI
12th Oct 2025466 AMAQI

11°C4/21°C

12th Oct 2025477 AMAQI
12th Oct 2025428 AMAQI
12th Oct 2025399 AMAQI
12th Oct 20254010 AMAQI
12th Oct 20253811 AMAQI
12th Oct 20252112 PMAQI
12th Oct 2025181 PMAQI
12th Oct 2025262 PMAQI
12th Oct 2025173 PMAQI
12th Oct 2025204 PMAQI
12th Oct 2025155 PMAQI
12th Oct 2025166 PMAQI
12th Oct 2025167 PMAQI
12th Oct 2025138 PMAQI
12th Oct 2025279 PMAQI
12th Oct 20251810 PMAQI
12th Oct 20251511 PMAQI
13th Oct 20251712 AMAQI
13th Oct 2025211 AMAQI
13th Oct 2025172 AMAQI
13th Oct 2025143 AMAQI
13th Oct 2025234 AMAQI
13th Oct 2025255 AMAQI
13th Oct 2025246 AMAQI

13°C9/18°C

13th Oct 2025237 AMAQI
13th Oct 2025238 AMAQI
13th Oct 2025269 AMAQI
13th Oct 20252610 AMAQI
13th Oct 20252911 AMAQI
13th Oct 20253112 PMAQI
13th Oct 2025331 PMAQI
13th Oct 2025312 PMAQI
13th Oct 2025343 PMAQI
13th Oct 2025264 PMAQI
13th Oct 2025295 PMAQI
13th Oct 2025326 PMAQI
13th Oct 2025297 PMAQI
13th Oct 2025228 PMAQI
13th Oct 2025259 PMAQI
13th Oct 20252510 PMAQI
13th Oct 20252511 PMAQI
14th Oct 20252012 AMAQI
14th Oct 2025241 AMAQI
14th Oct 2025252 AMAQI
14th Oct 2025253 AMAQI
14th Oct 2025284 AMAQI
14th Oct 2025275 AMAQI
14th Oct 2025246 AMAQI

12°C10/14°C

14th Oct 2025247 AMAQI
14th Oct 2025258 AMAQI
14th Oct 2025269 AMAQI
14th Oct 20252510 AMAQI
14th Oct 20252811 AMAQI
14th Oct 20252712 PMAQI
14th Oct 2025261 PMAQI
14th Oct 2025292 PMAQI
14th Oct 2025293 PMAQI
14th Oct 2025294 PMAQI
14th Oct 2025155 PMAQI
14th Oct 2025136 PMAQI
14th Oct 2025247 PMAQI
14th Oct 2025188 PMAQI
14th Oct 2025269 PMAQI
14th Oct 20251710 PMAQI
14th Oct 20252311 PMAQI
15th Oct 20252512 AMAQI
15th Oct 2025161 AMAQI
15th Oct 2025152 AMAQI
15th Oct 2025173 AMAQI
15th Oct 2025174 AMAQI
15th Oct 2025155 AMAQI
15th Oct 2025296 AMAQI

13°C10/17°C

15th Oct 2025397 AMAQI
15th Oct 2025448 AMAQI
15th Oct 2025459 AMAQI
15th Oct 20254210 AMAQI
15th Oct 20254711 AMAQI
15th Oct 20255312 PMAQI
15th Oct 2025471 PMAQI
15th Oct 2025402 PMAQI
15th Oct 2025403 PMAQI
15th Oct 2025284 PMAQI
15th Oct 2025195 PMAQI
15th Oct 2025226 PMAQI
15th Oct 2025217 PMAQI
15th Oct 2025238 PMAQI
15th Oct 2025249 PMAQI
15th Oct 20252010 PMAQI
15th Oct 20251911 PMAQI
16th Oct 20251812 AMAQI
16th Oct 2025321 AMAQI
16th Oct 2025312 AMAQI
16th Oct 2025233 AMAQI
16th Oct 2025124 AMAQI
16th Oct 2025165 AMAQI
16th Oct 2025156 AMAQI

13°C9/17°C

16th Oct 2025137 AMAQI
16th Oct 2025168 AMAQI
16th Oct 2025159 AMAQI
16th Oct 20251710 AMAQI
16th Oct 20252111 AMAQI
16th Oct 20253612 PMAQI
16th Oct 2025271 PMAQI
16th Oct 2025282 PMAQI
16th Oct 2025293 PMAQI
16th Oct 2025144 PMAQI
16th Oct 2025185 PMAQI
16th Oct 2025246 PMAQI
16th Oct 2025297 PMAQI
16th Oct 2025218 PMAQI
16th Oct 2025309 PMAQI
16th Oct 20252710 PMAQI
16th Oct 20252111 PMAQI
17th Oct 20252012 AMAQI
17th Oct 2025291 AMAQI
17th Oct 2025282 AMAQI
17th Oct 2025213 AMAQI
17th Oct 2025244 AMAQI
17th Oct 2025265 AMAQI
17th Oct 2025176 AMAQI

9°C4/17°C

17th Oct 2025167 AMAQI
7 AM
17th Oct 2025228 AMAQI
17th Oct 2025419 AMAQI
17th Oct 20256410 AMAQI
17th Oct 20256311 AMAQI
17th Oct 20255112 PMAQI
12 PM
17th Oct 2025401 PMAQI
17th Oct 2025282 PMAQI
17th Oct 2025253 PMAQI
17th Oct 2025224 PMAQI
17th Oct 2025195 PMAQI
17th Oct 2025236 PMAQI
6 PM
17th Oct 2025187 PMAQI
12 AM
6 AM

--°C/°C

昼間
平均最高時間
10 AM - 12 PM

35AQI

3 時間 / 日
90 時間 / 月
平均最低時間
5 PM

26AQI

1 時間 / 日
30 時間 / 月
過去30日間、昼間の最高AQIは 10 AM から 12 PM の間に記録され(平均 35)、最も低いAQIは 5 PM から 5 PM の間に記録され(平均 26)ました。
夜間
平均最高時間
1 AM - 2 AM

32AQI

2 時間 / 日
60 時間 / 月
平均最低時間
8 PM

27AQI

1 時間 / 日
30 時間 / 月
過去30日間、昼間の最高AQIは 1 AM から 2 AM の間に記録され(平均 32)、最も低いAQIは 8 PM から 8 PM の間に記録され(平均 27)ました。

2025 年間 vs 空気品質

Johnstown, Pennsylvania, United States

2025

87%

251

13%

38

過去290 日間の AQI カテゴリ別総日数(2025 年) (75 日残り)

良い
251 日
適度
38 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: 87%

健康リスクレベル:

低い

2025 年、87% の 290 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 低い ですが、特に脆弱な人々への長期的な影響は不確かです。

年間空気品質インサイト

Johnstown, Pennsylvania, 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
20AQI
2nd 1月 2025
21AQI
3rd 1月 2025
27AQI
4th 1月 2025
22AQI
5th 1月 2025
31AQI
6th 1月 2025
30AQI
7th 1月 2025
22AQI
8th 1月 2025
27AQI
9th 1月 2025
28AQI
10th 1月 2025
47AQI
11th 1月 2025
52AQI
12th 1月 2025
51AQI
13th 1月 2025
31AQI
14th 1月 2025
25AQI
15th 1月 2025
30AQI
16th 1月 2025
38AQI
17th 1月 2025
46AQI
18th 1月 2025
60AQI
19th 1月 2025
24AQI
20th 1月 2025
25AQI
21st 1月 2025
35AQI
22nd 1月 2025
43AQI
23rd 1月 2025
50AQI
24th 1月 2025
38AQI
25th 1月 2025
44AQI
26th 1月 2025
30AQI
27th 1月 2025
31AQI
28th 1月 2025
30AQI
29th 1月 2025
28AQI
30th 1月 2025
33AQI
31st 1月 2025
39AQI
1st 2月 2025
25AQI
2nd 2月 2025
26AQI
3rd 2月 2025
49AQI
4th 2月 2025
32AQI
5th 2月 2025
23AQI
6th 2月 2025
24AQI
7th 2月 2025
25AQI
8th 2月 2025
31AQI
9th 2月 2025
26AQI
10th 2月 2025
29AQI
11th 2月 2025
48AQI
12th 2月 2025
39AQI
13th 2月 2025
24AQI
14th 2月 2025
29AQI
15th 2月 2025
32AQI
16th 2月 2025
25AQI
17th 2月 2025
29AQI
18th 2月 2025
25AQI
19th 2月 2025
30AQI
20th 2月 2025
30AQI
21st 2月 2025
27AQI
22nd 2月 2025
37AQI
23rd 2月 2025
38AQI
24th 2月 2025
47AQI
25th 2月 2025
36AQI
26th 2月 2025
44AQI
27th 2月 2025
40AQI
28th 2月 2025
26AQI
1st 3月 2025
28AQI
2nd 3月 2025
27AQI
3rd 3月 2025
33AQI
4th 3月 2025
42AQI
5th 3月 2025
31AQI
6th 3月 2025
23AQI
7th 3月 2025
30AQI
8th 3月 2025
31AQI
9th 3月 2025
28AQI
10th 3月 2025
33AQI
11th 3月 2025
37AQI
12th 3月 2025
30AQI
13th 3月 2025
40AQI
14th 3月 2025
55AQI
15th 3月 2025
54AQI
16th 3月 2025
27AQI
17th 3月 2025
17AQI
18th 3月 2025
23AQI
19th 3月 2025
29AQI
20th 3月 2025
33AQI
21st 3月 2025
16AQI
22nd 3月 2025
20AQI
23rd 3月 2025
22AQI
24th 3月 2025
19AQI
25th 3月 2025
24AQI
26th 3月 2025
20AQI
27th 3月 2025
24AQI
28th 3月 2025
38AQI
29th 3月 2025
56AQI
30th 3月 2025
53AQI
31st 3月 2025
28AQI
1st 4月 2025
19AQI
2nd 4月 2025
31AQI
3rd 4月 2025
25AQI
4th 4月 2025
22AQI
5th 4月 2025
28AQI
6th 4月 2025
15AQI
7th 4月 2025
20AQI
8th 4月 2025
14AQI
9th 4月 2025
23AQI
10th 4月 2025
28AQI
11th 4月 2025
32AQI
12th 4月 2025
22AQI
13th 4月 2025
22AQI
14th 4月 2025
34AQI
15th 4月 2025
23AQI
16th 4月 2025
14AQI
17th 4月 2025
22AQI
18th 4月 2025
35AQI
19th 4月 2025
51AQI
20th 4月 2025
21AQI
21st 4月 2025
34AQI
22nd 4月 2025
21AQI
23rd 4月 2025
26AQI
24th 4月 2025
32AQI
25th 4月 2025
46AQI
26th 4月 2025
20AQI
27th 4月 2025
13AQI
28th 4月 2025
18AQI
29th 4月 2025
31AQI
30th 4月 2025
20AQI
1st 5月 2025
25AQI
2nd 5月 2025
25AQI
3rd 5月 2025
20AQI
4th 5月 2025
19AQI
5th 5月 2025
22AQI
6th 5月 2025
17AQI
7th 5月 2025
19AQI
8th 5月 2025
27AQI
9th 5月 2025
18AQI
10th 5月 2025
24AQI
11th 5月 2025
37AQI
12th 5月 2025
36AQI
13th 5月 2025
18AQI
14th 5月 2025
17AQI
15th 5月 2025
23AQI
16th 5月 2025
41AQI
17th 5月 2025
28AQI
18th 5月 2025
16AQI
19th 5月 2025
20AQI
20th 5月 2025
21AQI
21st 5月 2025
18AQI
22nd 5月 2025
12AQI
23rd 5月 2025
12AQI
24th 5月 2025
12AQI
25th 5月 2025
18AQI
26th 5月 2025
23AQI
27th 5月 2025
21AQI
28th 5月 2025
13AQI
29th 5月 2025
18AQI
30th 5月 2025
27AQI
31st 5月 2025
30AQI
1st 6月 2025
19AQI
2nd 6月 2025
25AQI
3rd 6月 2025
35AQI
4th 6月 2025
59AQI
5th 6月 2025
67AQI
6th 6月 2025
51AQI
7th 6月 2025
46AQI
8th 6月 2025
49AQI
9th 6月 2025
44AQI
10th 6月 2025
44AQI
11th 6月 2025
56AQI
12th 6月 2025
63AQI
13th 6月 2025
69AQI
14th 6月 2025
61AQI
15th 6月 2025
40AQI
16th 6月 2025
20AQI
17th 6月 2025
20AQI
18th 6月 2025
25AQI
19th 6月 2025
27AQI
20th 6月 2025
27AQI
21st 6月 2025
39AQI
22nd 6月 2025
43AQI
23rd 6月 2025
55AQI
24th 6月 2025
56AQI
25th 6月 2025
57AQI
26th 6月 2025
46AQI
27th 6月 2025
33AQI
28th 6月 2025
27AQI
29th 6月 2025
34AQI
30th 6月 2025
40AQI
1st 7月 2025
33AQI
2nd 7月 2025
32AQI
3rd 7月 2025
45AQI
4th 7月 2025
58AQI
5th 7月 2025
64AQI
6th 7月 2025
58AQI
7th 7月 2025
50AQI
8th 7月 2025
33AQI
9th 7月 2025
41AQI
10th 7月 2025
43AQI
11th 7月 2025
51AQI
12th 7月 2025
49AQI
13th 7月 2025
39AQI
14th 7月 2025
34AQI
15th 7月 2025
39AQI
16th 7月 2025
39AQI
17th 7月 2025
27AQI
18th 7月 2025
28AQI
19th 7月 2025
34AQI
20th 7月 2025
34AQI
21st 7月 2025
40AQI
22nd 7月 2025
56AQI
23rd 7月 2025
52AQI
24th 7月 2025
54AQI
25th 7月 2025
53AQI
26th 7月 2025
50AQI
27th 7月 2025
47AQI
28th 7月 2025
46AQI
29th 7月 2025
51AQI
30th 7月 2025
51AQI
31st 7月 2025
54AQI
1st 8月 2025
54AQI
2nd 8月 2025
28AQI
3rd 8月 2025
42AQI
4th 8月 2025
55AQI
5th 8月 2025
63AQI
6th 8月 2025
74AQI
7th 8月 2025
70AQI
8th 8月 2025
75AQI
9th 8月 2025
59AQI
10th 8月 2025
50AQI
11th 8月 2025
46AQI
12th 8月 2025
41AQI
13th 8月 2025
28AQI
14th 8月 2025
39AQI
15th 8月 2025
56AQI
16th 8月 2025
56AQI
17th 8月 2025
50AQI
18th 8月 2025
24AQI
19th 8月 2025
23AQI
20th 8月 2025
21AQI
21st 8月 2025
16AQI
22nd 8月 2025
21AQI
23rd 8月 2025
28AQI
24th 8月 2025
33AQI
25th 8月 2025
22AQI
26th 8月 2025
18AQI
27th 8月 2025
22AQI
28th 8月 2025
26AQI
29th 8月 2025
23AQI
30th 8月 2025
22AQI
31st 8月 2025
26AQI
1st 9月 2025
24AQI
2nd 9月 2025
24AQI
3rd 9月 2025
29AQI
4th 9月 2025
27AQI
5th 9月 2025
44AQI
6th 9月 2025
49AQI
7th 9月 2025
30AQI
8th 9月 2025
22AQI
9th 9月 2025
23AQI
10th 9月 2025
24AQI
11th 9月 2025
26AQI
12th 9月 2025
31AQI
13th 9月 2025
42AQI
14th 9月 2025
47AQI
15th 9月 2025
42AQI
16th 9月 2025
43AQI
17th 9月 2025
37AQI
18th 9月 2025
33AQI
19th 9月 2025
46AQI
20th 9月 2025
41AQI
21st 9月 2025
34AQI
22nd 9月 2025
33AQI
23rd 9月 2025
27AQI
24th 9月 2025
35AQI
25th 9月 2025
22AQI
26th 9月 2025
28AQI
27th 9月 2025
29AQI
28th 9月 2025
36AQI
29th 9月 2025
39AQI
30th 9月 2025
26AQI
1st 10月 2025
25AQI
2nd 10月 2025
20AQI
3rd 10月 2025
35AQI
4th 10月 2025
45AQI
5th 10月 2025
43AQI
6th 10月 2025
39AQI
7th 10月 2025
29AQI
8th 10月 2025
17AQI
9th 10月 2025
23AQI
10th 10月 2025
23AQI
11th 10月 2025
32AQI
12th 10月 2025
31AQI
13th 10月 2025
25AQI
14th 10月 2025
24AQI
15th 10月 2025
27AQI
16th 10月 2025
23AQI
17th 10月 2025
18th 10月 2025
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

34AQI

32AQI

31AQI

25AQI

22AQI

43AQI

45AQI

39AQI

33AQI

29AQI


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

202534AQI

28
3
28
27
4
29
1
31
20
10
20
11
22
9
30
16
251
38

記録された最高 AQI

7月

45AQI


記録された最低 AQI

5月

22AQI


202432AQI

26
5
21
8
30
1
30
31
25
4
31
28
3
30
30
1
30
29
2
341
24

記録された最高 AQI

2月

39AQI


記録された最低 AQI

9月

26AQI


202339AQI

25
6
22
6
30
1
27
3
25
6
14
12
3
1
23
8
24
7
27
1
31
24
5
24
7
296
62
3
1

記録された最高 AQI

6月

63AQI


記録された最低 AQI

10月

26AQI


202242AQI

22
7
11
8
22
8
12
5
22
8
14
13
11
11
1
25
4
30
1
25
5
23
8
218
78

記録された最高 AQI

6月

51AQI


記録された最低 AQI

9月

34AQI


202141AQI

20
7
15
7
12
4
20
4
25
6
26
4
16
13
1
20
11
28
2
31
21
9
24
7
258
74
1

記録された最高 AQI

7月

53AQI


記録された最低 AQI

10月

31AQI


202037AQI

13
19
1
18
30
28
3
29
2
29
1
29
1
21
7
26
5
242
20

記録された最高 AQI

11月

45AQI


記録された最低 AQI

3月

30AQI


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
2022(平均)
42AQI
最も清浄な
2024(平均)
32AQI


Johnstown の年間 2025 AQI(34)は、前年と比較して -11.5% (改善 AQI) の平均パーセント変動を示しています: 2020 (37), 2021 (41), 2022 (42), 2023 (39), 2024 (32)。