Country Background

Analisis Kualitas Udara Historis Chelmsford, Massachusetts, United States

Jelajahi wawasan kualitas udara yang mendalam dengan data historis, pola bulanan, dan tren tahunan di ujung jari Anda!

Baik
050
Sedang
100
Buruk
150
Tidak Sehat
200
Parah
300
Berbahaya
301+

Analisis Kualitas Udara Oktober

Chelmsford, Massachusetts, United States

2025
AQI
.
Hari

Tren AQI: Tertinggi dan Terendah

AQI tertinggi tercatat pada
6th Oct 2025
56AQI
AQI terendah tercatat pada
8th Oct 2025
19AQI


Analisis Hari yang Sama (18th October ):
Pada hari ini, AQI selama 1 tahun bervariasi secara signifikan: 2025 berada di peringkat 1st tertinggi dengan AQI sebesar 41 dari rentang kualitas udara Baik pada hari yang sama.

Unduh Data Tahunan 2024

Laporan Kualitas Udara Dunia

Globe

Tren AQI Siang & Malam: 18th Oct - 19th Oct 2025

Chelmsford, Massachusetts, United States

AQI
Hari
Malam
.

6 AM18th Oct 2025

6 PM

5 AM19th Oct 2025

Waktu Siang
Rata-rata Waktu Tertinggi
12PM18th Oct

40AQI

Rata-rata Waktu Terendah
4PM18th Oct

11AQI

Waktu Malam
Rata-rata Waktu Tertinggi
11PM18th Oct

54AQI

Rata-rata Waktu Terendah
6PM18th Oct

41AQI

Dalam 24 jam terakhir,

AQI di Chelmsford mencapai tingkat tertinggi sebesar 54 pada 11 PM selama Malam, sementara tingkat terendah, 11, tercatat pada 4 PM selama Hari antara 18th Oct dan 19th Oct 2025.

Tren AQI Siang & Malam : Sep - Oct 2025

Chelmsford, Massachusetts, 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
Hari
Malam
19th Sep 2025286 AMAQI
19th Sep 2025287 AMAQI
19th Sep 2025298 AMAQI
19th Sep 2025309 AMAQI
19th Sep 20252910 AMAQI
19th Sep 20252911 AMAQI
19th Sep 20252812 PMAQI
19th Sep 2025271 PMAQI
19th Sep 2025262 PMAQI
19th Sep 2025243 PMAQI
19th Sep 2025224 PMAQI
19th Sep 2025205 PMAQI
19th Sep 2025196 PMAQI
19th Sep 2025247 PMAQI
19th Sep 2025248 PMAQI
19th Sep 2025209 PMAQI
19th Sep 20251910 PMAQI
19th Sep 20252011 PMAQI
20th Sep 20252012 AMAQI
20th Sep 2025181 AMAQI
20th Sep 2025182 AMAQI
20th Sep 2025173 AMAQI
20th Sep 2025174 AMAQI
20th Sep 2025185 AMAQI

21°C16/27°C

20th Sep 2025186 AMAQI
20th Sep 2025187 AMAQI
20th Sep 2025188 AMAQI
20th Sep 2025189 AMAQI
20th Sep 20251810 AMAQI
20th Sep 20251811 AMAQI
20th Sep 20251812 PMAQI
20th Sep 2025181 PMAQI
20th Sep 2025182 PMAQI
20th Sep 2025173 PMAQI
20th Sep 2025164 PMAQI
20th Sep 2025175 PMAQI
20th Sep 2025176 PMAQI
20th Sep 2025177 PMAQI
20th Sep 2025198 PMAQI
20th Sep 2025249 PMAQI
20th Sep 20252510 PMAQI
20th Sep 20252811 PMAQI
21st Sep 20253012 AMAQI
21st Sep 2025311 AMAQI
21st Sep 2025312 AMAQI
21st Sep 2025333 AMAQI
21st Sep 2025304 AMAQI
21st Sep 2025285 AMAQI

16°C9/21°C

21st Sep 2025276 AMAQI
21st Sep 2025267 AMAQI
21st Sep 2025268 AMAQI
21st Sep 2025269 AMAQI
21st Sep 20252410 AMAQI
21st Sep 20252311 AMAQI
21st Sep 20252112 PMAQI
21st Sep 2025201 PMAQI
21st Sep 2025182 PMAQI
21st Sep 2025183 PMAQI
21st Sep 2025184 PMAQI
21st Sep 2025175 PMAQI
21st Sep 2025186 PMAQI
21st Sep 2025227 PMAQI
21st Sep 2025228 PMAQI
21st Sep 2025199 PMAQI
21st Sep 20251810 PMAQI
21st Sep 20252011 PMAQI
22nd Sep 20252112 AMAQI
22nd Sep 2025201 AMAQI
22nd Sep 2025192 AMAQI
22nd Sep 2025203 AMAQI
22nd Sep 2025204 AMAQI
22nd Sep 2025195 AMAQI

14°C5/22°C

22nd Sep 2025206 AMAQI
22nd Sep 2025207 AMAQI
22nd Sep 2025208 AMAQI
22nd Sep 2025209 AMAQI
22nd Sep 20252010 AMAQI
22nd Sep 20252011 AMAQI
22nd Sep 20252012 PMAQI
22nd Sep 2025201 PMAQI
22nd Sep 2025202 PMAQI
22nd Sep 2025193 PMAQI
22nd Sep 2025214 PMAQI
22nd Sep 2025225 PMAQI
22nd Sep 2025226 PMAQI
22nd Sep 2025217 PMAQI
22nd Sep 2025218 PMAQI
22nd Sep 2025229 PMAQI
22nd Sep 20252110 PMAQI
22nd Sep 20252211 PMAQI
23rd Sep 20252212 AMAQI
23rd Sep 2025221 AMAQI
23rd Sep 2025212 AMAQI
23rd Sep 2025203 AMAQI
23rd Sep 2025214 AMAQI
23rd Sep 2025235 AMAQI

15°C5/25°C

23rd Sep 2025226 AMAQI
23rd Sep 2025247 AMAQI
23rd Sep 2025258 AMAQI
23rd Sep 2025279 AMAQI
23rd Sep 20252710 AMAQI
23rd Sep 20252911 AMAQI
23rd Sep 20253112 PMAQI
23rd Sep 2025331 PMAQI
23rd Sep 2025352 PMAQI
23rd Sep 2025363 PMAQI
23rd Sep 2025354 PMAQI
23rd Sep 2025355 PMAQI
23rd Sep 2025366 PMAQI
23rd Sep 2025277 PMAQI
23rd Sep 2025278 PMAQI
23rd Sep 2025359 PMAQI
23rd Sep 20253910 PMAQI
23rd Sep 20253511 PMAQI
24th Sep 20253612 AMAQI
24th Sep 2025371 AMAQI
24th Sep 2025362 AMAQI
24th Sep 2025373 AMAQI
24th Sep 2025374 AMAQI
24th Sep 2025365 AMAQI

20°C14/31°C

24th Sep 2025366 AMAQI
24th Sep 2025347 AMAQI
24th Sep 2025348 AMAQI
24th Sep 2025309 AMAQI
24th Sep 20253010 AMAQI
24th Sep 20253011 AMAQI
24th Sep 20252912 PMAQI
24th Sep 2025291 PMAQI
24th Sep 2025292 PMAQI
24th Sep 2025303 PMAQI
24th Sep 2025304 PMAQI
24th Sep 2025305 PMAQI
24th Sep 2025286 PMAQI
24th Sep 2025317 PMAQI
24th Sep 2025298 PMAQI
24th Sep 2025269 PMAQI
24th Sep 20252610 PMAQI
24th Sep 20252611 PMAQI
25th Sep 20252612 AMAQI
25th Sep 2025171 AMAQI
25th Sep 2025152 AMAQI
25th Sep 2025143 AMAQI
25th Sep 2025144 AMAQI
25th Sep 2025145 AMAQI

18°C16/20°C

25th Sep 2025146 AMAQI
25th Sep 2025147 AMAQI
25th Sep 2025188 AMAQI
25th Sep 2025199 AMAQI
25th Sep 20252010 AMAQI
25th Sep 20252111 AMAQI
25th Sep 20252112 PMAQI
25th Sep 2025191 PMAQI
25th Sep 2025182 PMAQI
25th Sep 2025163 PMAQI
25th Sep 2025154 PMAQI
25th Sep 2025155 PMAQI
25th Sep 2025166 PMAQI
25th Sep 2025167 PMAQI
25th Sep 2025178 PMAQI
25th Sep 2025209 PMAQI
25th Sep 20252210 PMAQI
25th Sep 20252211 PMAQI
26th Sep 20252412 AMAQI
26th Sep 2025251 AMAQI
26th Sep 2025202 AMAQI
26th Sep 2025173 AMAQI
26th Sep 2025154 AMAQI
26th Sep 2025135 AMAQI

19°C17/22°C

26th Sep 2025176 AMAQI
26th Sep 2025167 AMAQI
26th Sep 2025168 AMAQI
26th Sep 2025159 AMAQI
26th Sep 20251910 AMAQI
26th Sep 20252311 AMAQI
26th Sep 20252612 PMAQI
26th Sep 2025271 PMAQI
26th Sep 2025292 PMAQI
26th Sep 2025283 PMAQI
26th Sep 2025284 PMAQI
26th Sep 2025285 PMAQI
26th Sep 2025266 PMAQI
26th Sep 2025237 PMAQI
26th Sep 2025198 PMAQI
26th Sep 2025189 PMAQI
26th Sep 20251610 PMAQI
26th Sep 20251611 PMAQI
27th Sep 20251412 AMAQI
27th Sep 2025151 AMAQI
27th Sep 2025162 AMAQI
27th Sep 2025153 AMAQI
27th Sep 2025154 AMAQI
27th Sep 2025155 AMAQI

22°C18/26°C

27th Sep 2025166 AMAQI
27th Sep 2025167 AMAQI
27th Sep 2025158 AMAQI
27th Sep 2025169 AMAQI
27th Sep 20251310 AMAQI
27th Sep 20251511 AMAQI
27th Sep 20251712 PMAQI
27th Sep 2025171 PMAQI
27th Sep 2025192 PMAQI
27th Sep 2025193 PMAQI
27th Sep 2025184 PMAQI
27th Sep 2025205 PMAQI
27th Sep 2025206 PMAQI
27th Sep 2025247 PMAQI
27th Sep 2025328 PMAQI
27th Sep 2025289 PMAQI
27th Sep 20253010 PMAQI
27th Sep 20253211 PMAQI
28th Sep 20253212 AMAQI
28th Sep 2025331 AMAQI
28th Sep 2025322 AMAQI
28th Sep 2025333 AMAQI
28th Sep 2025284 AMAQI
28th Sep 2025285 AMAQI

20°C14/29°C

28th Sep 2025246 AMAQI
28th Sep 2025227 AMAQI
28th Sep 2025208 AMAQI
28th Sep 2025209 AMAQI
28th Sep 20252010 AMAQI
28th Sep 20251811 AMAQI
28th Sep 20252412 PMAQI
28th Sep 2025291 PMAQI
28th Sep 2025292 PMAQI
28th Sep 2025303 PMAQI
28th Sep 2025304 PMAQI
28th Sep 2025285 PMAQI
28th Sep 2025336 PMAQI
28th Sep 2025417 PMAQI
28th Sep 2025408 PMAQI
28th Sep 2025429 PMAQI
28th Sep 20254310 PMAQI
28th Sep 20254511 PMAQI
29th Sep 20254112 AMAQI
29th Sep 2025361 AMAQI
29th Sep 2025402 AMAQI
29th Sep 2025393 AMAQI
29th Sep 2025374 AMAQI
29th Sep 2025365 AMAQI

22°C17/29°C

29th Sep 2025376 AMAQI
29th Sep 2025367 AMAQI
29th Sep 2025318 AMAQI
29th Sep 2025369 AMAQI
29th Sep 20253410 AMAQI
29th Sep 20253611 AMAQI
29th Sep 20252912 PMAQI
29th Sep 2025291 PMAQI
29th Sep 2025322 PMAQI
29th Sep 2025253 PMAQI
29th Sep 2025264 PMAQI
29th Sep 2025245 PMAQI
29th Sep 2025256 PMAQI
29th Sep 2025247 PMAQI
29th Sep 2025258 PMAQI
29th Sep 2025289 PMAQI
29th Sep 20252910 PMAQI
29th Sep 20252711 PMAQI
30th Sep 20253112 AMAQI
30th Sep 2025311 AMAQI
30th Sep 2025342 AMAQI
30th Sep 2025313 AMAQI
30th Sep 2025304 AMAQI
30th Sep 2025365 AMAQI

20°C12/30°C

30th Sep 2025336 AMAQI
30th Sep 2025307 AMAQI
30th Sep 2025298 AMAQI
30th Sep 2025379 AMAQI
30th Sep 20254010 AMAQI
30th Sep 20254011 AMAQI
30th Sep 20254012 PMAQI
30th Sep 2025351 PMAQI
30th Sep 2025372 PMAQI
30th Sep 2025303 PMAQI
30th Sep 2025264 PMAQI
30th Sep 2025245 PMAQI
30th Sep 2025246 PMAQI
30th Sep 2025247 PMAQI
30th Sep 2025258 PMAQI
30th Sep 2025289 PMAQI
30th Sep 20253010 PMAQI
30th Sep 20253011 PMAQI
1st Oct 20253012 AMAQI
1st Oct 2025281 AMAQI
1st Oct 2025262 AMAQI
1st Oct 2025273 AMAQI
1st Oct 2025234 AMAQI
1st Oct 2025225 AMAQI

18°C13/25°C

1st Oct 2025256 AMAQI
1st Oct 2025267 AMAQI
1st Oct 2025238 AMAQI
1st Oct 2025249 AMAQI
1st Oct 20252510 AMAQI
1st Oct 20252211 AMAQI
1st Oct 20251312 PMAQI
1st Oct 2025121 PMAQI
1st Oct 2025282 PMAQI
1st Oct 2025233 PMAQI
1st Oct 2025264 PMAQI
1st Oct 2025205 PMAQI
1st Oct 202586 PMAQI
1st Oct 2025137 PMAQI
1st Oct 2025348 PMAQI
1st Oct 2025289 PMAQI
1st Oct 20252310 PMAQI
1st Oct 20251811 PMAQI
2nd Oct 20251912 AMAQI
2nd Oct 2025181 AMAQI
2nd Oct 2025182 AMAQI
2nd Oct 2025163 AMAQI
2nd Oct 202564 AMAQI
2nd Oct 202565 AMAQI

14°C8/21°C

2nd Oct 2025266 AMAQI
2nd Oct 2025377 AMAQI
2nd Oct 2025158 AMAQI
2nd Oct 202589 AMAQI
2nd Oct 20251010 AMAQI
2nd Oct 20251011 AMAQI
2nd Oct 20253112 PMAQI
2nd Oct 2025181 PMAQI
2nd Oct 2025122 PMAQI
2nd Oct 2025113 PMAQI
2nd Oct 2025124 PMAQI
2nd Oct 202585 PMAQI
2nd Oct 202586 PMAQI
2nd Oct 202587 PMAQI
2nd Oct 2025288 PMAQI
2nd Oct 2025509 PMAQI
2nd Oct 20254510 PMAQI
2nd Oct 20254511 PMAQI
3rd Oct 20254412 AMAQI
3rd Oct 2025381 AMAQI
3rd Oct 2025332 AMAQI
3rd Oct 2025133 AMAQI
3rd Oct 2025324 AMAQI
3rd Oct 2025175 AMAQI

12°C4/21°C

3rd Oct 202566 AMAQI
3rd Oct 202557 AMAQI
3rd Oct 2025268 AMAQI
3rd Oct 2025179 AMAQI
3rd Oct 20253110 AMAQI
3rd Oct 20254011 AMAQI
3rd Oct 20253912 PMAQI
3rd Oct 2025391 PMAQI
3rd Oct 2025432 PMAQI
3rd Oct 2025213 PMAQI
3rd Oct 2025124 PMAQI
3rd Oct 2025145 PMAQI
3rd Oct 2025156 PMAQI
3rd Oct 2025157 PMAQI
3rd Oct 2025348 PMAQI
3rd Oct 2025209 PMAQI
3rd Oct 20253510 PMAQI
3rd Oct 20255211 PMAQI
4th Oct 20254912 AMAQI
4th Oct 2025401 AMAQI
4th Oct 2025432 AMAQI
4th Oct 2025423 AMAQI
4th Oct 2025434 AMAQI
4th Oct 2025455 AMAQI

13°C4/25°C

4th Oct 2025406 AMAQI
4th Oct 2025397 AMAQI
4th Oct 2025388 AMAQI
4th Oct 2025369 AMAQI
4th Oct 20253910 AMAQI
4th Oct 20254611 AMAQI
4th Oct 20254312 PMAQI
4th Oct 2025471 PMAQI
4th Oct 2025442 PMAQI
4th Oct 2025463 PMAQI
4th Oct 2025454 PMAQI
4th Oct 2025465 PMAQI
4th Oct 2025476 PMAQI
4th Oct 2025427 PMAQI
4th Oct 2025498 PMAQI
4th Oct 2025549 PMAQI
4th Oct 20255810 PMAQI
4th Oct 20256211 PMAQI
5th Oct 20256112 AMAQI
5th Oct 2025591 AMAQI
5th Oct 2025562 AMAQI
5th Oct 2025523 AMAQI
5th Oct 2025504 AMAQI
5th Oct 2025495 AMAQI

19°C8/31°C

5th Oct 2025526 AMAQI
5th Oct 2025517 AMAQI
5th Oct 2025498 AMAQI
5th Oct 2025469 AMAQI
5th Oct 20255110 AMAQI
5th Oct 20255211 AMAQI
5th Oct 20255312 PMAQI
5th Oct 2025531 PMAQI
5th Oct 2025512 PMAQI
5th Oct 2025523 PMAQI
5th Oct 2025524 PMAQI
5th Oct 2025535 PMAQI
5th Oct 2025536 PMAQI
5th Oct 2025547 PMAQI
5th Oct 2025558 PMAQI
5th Oct 2025559 PMAQI
5th Oct 20255610 PMAQI
5th Oct 20255511 PMAQI
6th Oct 20255612 AMAQI
6th Oct 2025571 AMAQI
6th Oct 2025562 AMAQI
6th Oct 2025563 AMAQI
6th Oct 2025554 AMAQI
6th Oct 2025565 AMAQI

20°C11/32°C

6th Oct 2025566 AMAQI
6th Oct 2025577 AMAQI
6th Oct 2025568 AMAQI
6th Oct 2025579 AMAQI
6th Oct 20255610 AMAQI
6th Oct 20255611 AMAQI
6th Oct 20255612 PMAQI
6th Oct 2025571 PMAQI

21°C13/32°C

7th Oct 2025497 AMAQI
7th Oct 2025458 AMAQI
7th Oct 2025509 AMAQI
7th Oct 20255010 AMAQI
7th Oct 20255211 AMAQI
7th Oct 20255212 PMAQI
7th Oct 2025531 PMAQI
7th Oct 2025542 PMAQI
7th Oct 2025543 PMAQI
7th Oct 2025514 PMAQI
7th Oct 2025505 PMAQI
7th Oct 2025466 PMAQI
7th Oct 2025437 PMAQI
7th Oct 2025428 PMAQI
7th Oct 2025189 PMAQI
7th Oct 20251410 PMAQI
7th Oct 20251411 PMAQI
8th Oct 20251212 AMAQI
8th Oct 2025111 AMAQI
8th Oct 202592 AMAQI
8th Oct 2025313 AMAQI
8th Oct 2025184 AMAQI
8th Oct 202585 AMAQI

21°C15/30°C

8th Oct 202586 AMAQI
8th Oct 202587 AMAQI
8th Oct 2025318 AMAQI
8th Oct 2025159 AMAQI
8th Oct 20252910 AMAQI
8th Oct 20254711 AMAQI
8th Oct 20252512 PMAQI
8th Oct 2025261 PMAQI
8th Oct 2025252 PMAQI
8th Oct 2025153 PMAQI
8th Oct 2025114 PMAQI
8th Oct 202585 PMAQI
8th Oct 2025116 PMAQI
8th Oct 202597 PMAQI
8th Oct 202578 PMAQI
8th Oct 2025289 PMAQI
8th Oct 20254510 PMAQI
8th Oct 20253111 PMAQI
9th Oct 20253412 AMAQI
9th Oct 2025361 AMAQI
9th Oct 2025152 AMAQI
9th Oct 202563 AMAQI
9th Oct 2025144 AMAQI
9th Oct 2025235 AMAQI

17°C10/21°C

9th Oct 2025236 AMAQI
9th Oct 2025227 AMAQI
9th Oct 2025228 AMAQI
9th Oct 2025259 AMAQI
9th Oct 20251810 AMAQI
9th Oct 20251911 AMAQI
9th Oct 20252312 PMAQI
9th Oct 2025181 PMAQI
9th Oct 2025342 PMAQI
9th Oct 2025393 PMAQI
9th Oct 2025404 PMAQI
9th Oct 2025325 PMAQI
9th Oct 2025296 PMAQI
9th Oct 2025237 PMAQI
9th Oct 2025348 PMAQI
9th Oct 2025419 PMAQI
9th Oct 20254310 PMAQI
9th Oct 20254111 PMAQI
10th Oct 20254612 AMAQI
10th Oct 2025411 AMAQI
10th Oct 2025402 AMAQI
10th Oct 2025253 AMAQI
10th Oct 2025234 AMAQI
10th Oct 2025155 AMAQI

10°C5/17°C

10th Oct 202586 AMAQI
10th Oct 202587 AMAQI
10th Oct 202578 AMAQI
10th Oct 202579 AMAQI
10th Oct 2025710 AMAQI
10th Oct 20253611 AMAQI
10th Oct 20254012 PMAQI
10th Oct 2025391 PMAQI
10th Oct 2025222 PMAQI
10th Oct 2025103 PMAQI
10th Oct 202584 PMAQI
10th Oct 2025105 PMAQI
10th Oct 2025166 PMAQI
10th Oct 202597 PMAQI
10th Oct 202598 PMAQI
10th Oct 2025319 PMAQI
10th Oct 20251910 PMAQI
10th Oct 2025811 PMAQI
11th Oct 20253712 AMAQI
11th Oct 2025341 AMAQI
11th Oct 2025302 AMAQI
11th Oct 2025303 AMAQI
11th Oct 2025134 AMAQI
11th Oct 202565 AMAQI

8°C0/17°C

11th Oct 202566 AMAQI
11th Oct 202567 AMAQI
11th Oct 2025238 AMAQI
11th Oct 2025149 AMAQI
11th Oct 2025610 AMAQI
11th Oct 20252311 AMAQI
11th Oct 20253812 PMAQI
11th Oct 2025231 PMAQI
11th Oct 202582 PMAQI
11th Oct 202573 PMAQI
11th Oct 2025334 PMAQI
11th Oct 2025535 PMAQI
11th Oct 2025536 PMAQI
11th Oct 2025437 PMAQI
11th Oct 2025458 PMAQI
11th Oct 2025479 PMAQI
11th Oct 20254710 PMAQI
11th Oct 20254811 PMAQI
12th Oct 20255112 AMAQI
12th Oct 2025531 AMAQI
12th Oct 2025532 AMAQI
12th Oct 2025263 AMAQI
12th Oct 202594 AMAQI
12th Oct 202585 AMAQI

13°C5/20°C

12th Oct 202566 AMAQI
12th Oct 2025107 AMAQI
12th Oct 2025238 AMAQI
12th Oct 2025229 AMAQI
12th Oct 20252110 AMAQI
12th Oct 20251511 AMAQI
12th Oct 20251212 PMAQI
12th Oct 2025131 PMAQI
12th Oct 2025152 PMAQI
12th Oct 2025133 PMAQI
12th Oct 2025374 PMAQI
12th Oct 2025405 PMAQI
12th Oct 2025416 PMAQI
12th Oct 2025447 PMAQI
12th Oct 2025458 PMAQI
12th Oct 2025479 PMAQI
12th Oct 20254810 PMAQI
12th Oct 20255011 PMAQI
13th Oct 20255612 AMAQI
13th Oct 2025561 AMAQI
13th Oct 2025532 AMAQI
13th Oct 2025473 AMAQI
13th Oct 2025504 AMAQI
13th Oct 2025485 AMAQI

12°C7/15°C

13th Oct 2025496 AMAQI
13th Oct 2025527 AMAQI
13th Oct 2025558 AMAQI
13th Oct 2025559 AMAQI
13th Oct 20255510 AMAQI
13th Oct 20255411 AMAQI
13th Oct 20255012 PMAQI
13th Oct 2025391 PMAQI
13th Oct 2025372 PMAQI
13th Oct 2025423 PMAQI
13th Oct 2025414 PMAQI
13th Oct 2025255 PMAQI
13th Oct 2025296 PMAQI
13th Oct 2025287 PMAQI
13th Oct 202598 PMAQI
13th Oct 2025109 PMAQI
13th Oct 2025910 PMAQI
13th Oct 2025711 PMAQI
14th Oct 2025712 AMAQI
14th Oct 202581 AMAQI
14th Oct 202572 AMAQI
14th Oct 2025103 AMAQI
14th Oct 2025134 AMAQI
14th Oct 2025165 AMAQI

12°C11/12°C

14th Oct 202586 AMAQI
14th Oct 202587 AMAQI
14th Oct 202578 AMAQI
14th Oct 2025169 AMAQI
14th Oct 20251610 AMAQI
14th Oct 20251611 AMAQI
14th Oct 20253412 PMAQI
14th Oct 2025371 PMAQI
14th Oct 2025302 PMAQI
14th Oct 2025313 PMAQI
14th Oct 2025454 PMAQI
14th Oct 2025445 PMAQI
14th Oct 2025196 PMAQI
14th Oct 2025277 PMAQI
14th Oct 2025178 PMAQI
14th Oct 2025349 PMAQI
14th Oct 20253810 PMAQI
14th Oct 20255111 PMAQI
15th Oct 20255012 AMAQI
15th Oct 2025471 AMAQI
15th Oct 2025442 AMAQI
15th Oct 2025183 AMAQI
15th Oct 202584 AMAQI
15th Oct 202565 AMAQI

12°C10/17°C

15th Oct 2025246 AMAQI
15th Oct 2025377 AMAQI
15th Oct 2025348 AMAQI
15th Oct 2025169 AMAQI
15th Oct 2025610 AMAQI
15th Oct 2025611 AMAQI
15th Oct 20253612 PMAQI
15th Oct 2025441 PMAQI
15th Oct 2025422 PMAQI
15th Oct 2025463 PMAQI
15th Oct 2025474 PMAQI
15th Oct 2025465 PMAQI
15th Oct 2025236 PMAQI
15th Oct 2025277 PMAQI
15th Oct 2025278 PMAQI
15th Oct 2025279 PMAQI
15th Oct 20252610 PMAQI
15th Oct 20252711 PMAQI
16th Oct 20251612 AMAQI
16th Oct 2025191 AMAQI
16th Oct 2025232 AMAQI
16th Oct 2025313 AMAQI
16th Oct 2025294 AMAQI
16th Oct 2025315 AMAQI

13°C6/19°C

16th Oct 2025286 AMAQI
16th Oct 2025287 AMAQI
16th Oct 2025248 AMAQI
16th Oct 2025279 AMAQI
16th Oct 20252710 AMAQI
16th Oct 20251811 AMAQI
16th Oct 20251412 PMAQI
16th Oct 2025151 PMAQI
16th Oct 202582 PMAQI
16th Oct 2025143 PMAQI
16th Oct 2025124 PMAQI
16th Oct 2025165 PMAQI
16th Oct 2025166 PMAQI
16th Oct 2025197 PMAQI
16th Oct 2025128 PMAQI
16th Oct 2025179 PMAQI
16th Oct 20251510 PMAQI
16th Oct 20251511 PMAQI
17th Oct 2025912 AMAQI
17th Oct 2025251 AMAQI
17th Oct 2025272 AMAQI
17th Oct 202573 AMAQI
17th Oct 2025184 AMAQI
17th Oct 2025145 AMAQI

9°C5/15°C

17th Oct 202576 AMAQI
17th Oct 2025157 AMAQI
17th Oct 2025258 AMAQI
17th Oct 2025169 AMAQI
17th Oct 20251310 AMAQI
17th Oct 20251011 AMAQI
17th Oct 20251212 PMAQI
17th Oct 2025301 PMAQI
17th Oct 2025342 PMAQI
17th Oct 2025213 PMAQI
17th Oct 2025114 PMAQI
17th Oct 2025115 PMAQI
17th Oct 2025136 PMAQI
17th Oct 2025407 PMAQI
17th Oct 2025488 PMAQI
17th Oct 2025459 PMAQI
17th Oct 20255010 PMAQI
17th Oct 20255211 PMAQI
18th Oct 20255812 AMAQI
18th Oct 2025571 AMAQI
18th Oct 2025492 AMAQI
18th Oct 2025443 AMAQI
18th Oct 2025414 AMAQI
18th Oct 2025485 AMAQI

11°C6/17°C

18th Oct 2025446 AMAQI
18th Oct 2025287 AMAQI
18th Oct 2025268 AMAQI
18th Oct 2025319 AMAQI
18th Oct 20251810 AMAQI
18th Oct 20252911 AMAQI
18th Oct 20254012 PMAQI
18th Oct 2025321 PMAQI
18th Oct 2025382 PMAQI
18th Oct 2025263 PMAQI
18th Oct 2025114 PMAQI
18th Oct 2025315 PMAQI
18th Oct 2025416 PMAQI
18th Oct 2025467 PMAQI
18th Oct 2025498 PMAQI
18th Oct 2025489 PMAQI
18th Oct 20254910 PMAQI
18th Oct 20255411 PMAQI
19th Oct 20255312 AMAQI
19th Oct 2025541 AMAQI
19th Oct 2025532 AMAQI
19th Oct 2025493 AMAQI
19th Oct 2025454 AMAQI
19th Oct 2025435 AMAQI

11°C3/21°C

19th Oct 2025456 AMAQI
6 AM
19th Oct 2025427 AMAQI
19th Oct 2025418 AMAQI
19th Oct 2025419 AMAQI
19th Oct 20254110 AMAQI
19th Oct 20253911 AMAQI
19th Oct 20253212 PMAQI
12 PM
19th Oct 2025261 PMAQI
19th Oct 2025272 PMAQI
19th Oct 2025243 PMAQI
19th Oct 2025234 PMAQI
19th Oct 2025255 PMAQI
19th Oct 2025246 PMAQI
6 PM
12 AM
5 AM

--°C/°C

Waktu Siang
Rata-rata Waktu Tertinggi
12 PM

31AQI

1 jam / Hari
30 jam / Bulan
Rata-rata Waktu Terendah
6 AM

25AQI

1 jam / Hari
30 jam / Bulan
Dalam 30 hari terakhir, pada siang hari, AQI tertinggi tercatat antara 12 PM hingga 12 PM (Rata-rata 31), sedangkan AQI terendah tercatat antara 6 AM hingga 6 AM (Rata-rata 25).
Waktu Malam
Rata-rata Waktu Tertinggi
12 AM - 1 AM

34AQI

2 jam / Hari
60 jam / Bulan
Rata-rata Waktu Terendah
5 AM

25AQI

1 jam / Hari
30 jam / Bulan
Dalam 30 hari terakhir, pada siang hari, AQI tertinggi tercatat antara 12 AM hingga 1 AM (Rata-rata 34), sedangkan AQI terendah tercatat antara 5 AM hingga 5 AM (Rata-rata 25).

2025 Hari Vs Kualitas Udara

Chelmsford, Massachusetts, United States

2025

85%

176

15%

30

Jumlah total hari dengan kategori AQI berbeda dalam 292 hari terakhir di 2025 (73 hari tersisa)

Baik
176 Hari
Sedang
30 Hari
Buruk
0 Hari
Tidak Sehat
0 Hari
Parah
0 Hari
Berbahaya
0 Hari



Di bawah Batas Aman WHO Kualitas Udara: 85%

Tingkat Risiko Kesehatan:

Rendah

Pada 2025, 85% dari 292 hari berada dalam batas kualitas udara aman WHO. Risiko masalah kesehatan adalah Rendah, tetapi dampak jangka panjang, terutama pada individu yang rentan, tetap tidak pasti.

Wawasan Kualitas Udara Tahunan

Chelmsford, Massachusetts, United States

Tingkat AQI pada 2025

AQI
PM2.5
PM10
CO
SO2
NO2
O3
Min.Sen.Sel.Rab.Kam.Jum.Sab.

Jan.

Feb.

Mar.

Apr.

Mei

Jun.

Jul.

Agu.

Sep.

Okt.

Nov.

Des.

-1th undefined 2025
-1th undefined 2025
-1th undefined 2025
1st Januari 2025
2nd Januari 2025
3rd Januari 2025
4th Januari 2025
5th Januari 2025
6th Januari 2025
7th Januari 2025
8th Januari 2025
9th Januari 2025
10th Januari 2025
11th Januari 2025
12th Januari 2025
13th Januari 2025
14th Januari 2025
15th Januari 2025
16th Januari 2025
17th Januari 2025
18th Januari 2025
19th Januari 2025
20th Januari 2025
21st Januari 2025
22nd Januari 2025
23rd Januari 2025
24th Januari 2025
25th Januari 2025
26th Januari 2025
27th Januari 2025
28th Januari 2025
29th Januari 2025
30th Januari 2025
31st Januari 2025
1st Februari 2025
2nd Februari 2025
3rd Februari 2025
4th Februari 2025
5th Februari 2025
6th Februari 2025
7th Februari 2025
8th Februari 2025
9th Februari 2025
10th Februari 2025
11th Februari 2025
12th Februari 2025
13th Februari 2025
14th Februari 2025
15th Februari 2025
16th Februari 2025
17th Februari 2025
18th Februari 2025
19th Februari 2025
20th Februari 2025
21st Februari 2025
22nd Februari 2025
23rd Februari 2025
24th Februari 2025
25th Februari 2025
26th Februari 2025
27th Februari 2025
28th Februari 2025
1st Maret 2025
2nd Maret 2025
3rd Maret 2025
4th Maret 2025
5th Maret 2025
6th Maret 2025
7th Maret 2025
8th Maret 2025
9th Maret 2025
10th Maret 2025
11th Maret 2025
12th Maret 2025
13th Maret 2025
14th Maret 2025
15th Maret 2025
16th Maret 2025
17th Maret 2025
18th Maret 2025
19th Maret 2025
20th Maret 2025
21st Maret 2025
22nd Maret 2025
23rd Maret 2025
24th Maret 2025
25th Maret 2025
26th Maret 2025
27th Maret 2025
17AQI
28th Maret 2025
19AQI
29th Maret 2025
19AQI
30th Maret 2025
26AQI
31st Maret 2025
34AQI
1st April 2025
19AQI
2nd April 2025
18AQI
3rd April 2025
25AQI
4th April 2025
22AQI
5th April 2025
21AQI
6th April 2025
19AQI
7th April 2025
17AQI
8th April 2025
17AQI
9th April 2025
14AQI
10th April 2025
20AQI
11th April 2025
20AQI
12th April 2025
14AQI
13th April 2025
15AQI
14th April 2025
16AQI
15th April 2025
25AQI
16th April 2025
11AQI
17th April 2025
13AQI
18th April 2025
21AQI
19th April 2025
46AQI
20th April 2025
18AQI
21st April 2025
16AQI
22nd April 2025
37AQI
23rd April 2025
20AQI
24th April 2025
22AQI
25th April 2025
46AQI
26th April 2025
32AQI
27th April 2025
11AQI
28th April 2025
17AQI
29th April 2025
27AQI
30th April 2025
21AQI
1st Mei 2025
17AQI
2nd Mei 2025
37AQI
3rd Mei 2025
47AQI
4th Mei 2025
35AQI
5th Mei 2025
17AQI
6th Mei 2025
21AQI
7th Mei 2025
26AQI
8th Mei 2025
22AQI
9th Mei 2025
26AQI
10th Mei 2025
13AQI
11th Mei 2025
20AQI
12th Mei 2025
21AQI
13th Mei 2025
27AQI
14th Mei 2025
30AQI
15th Mei 2025
33AQI
16th Mei 2025
36AQI
17th Mei 2025
36AQI
18th Mei 2025
19AQI
19th Mei 2025
13AQI
20th Mei 2025
13AQI
21st Mei 2025
17AQI
22nd Mei 2025
19AQI
23rd Mei 2025
12AQI
24th Mei 2025
13AQI
25th Mei 2025
13AQI
26th Mei 2025
19AQI
27th Mei 2025
24AQI
28th Mei 2025
27AQI
29th Mei 2025
20AQI
30th Mei 2025
30AQI
31st Mei 2025
20AQI
1st Juni 2025
13AQI
2nd Juni 2025
17AQI
3rd Juni 2025
23AQI
4th Juni 2025
39AQI
5th Juni 2025
57AQI
6th Juni 2025
58AQI
7th Juni 2025
54AQI
8th Juni 2025
81AQI
9th Juni 2025
77AQI
10th Juni 2025
40AQI
11th Juni 2025
50AQI
12th Juni 2025
70AQI
13th Juni 2025
54AQI
14th Juni 2025
46AQI
15th Juni 2025
33AQI
16th Juni 2025
34AQI
17th Juni 2025
31AQI
18th Juni 2025
23AQI
19th Juni 2025
28AQI
20th Juni 2025
33AQI
21st Juni 2025
53AQI
22nd Juni 2025
53AQI
23rd Juni 2025
50AQI
24th Juni 2025
54AQI
25th Juni 2025
50AQI
26th Juni 2025
36AQI
27th Juni 2025
26AQI
28th Juni 2025
27AQI
29th Juni 2025
34AQI
30th Juni 2025
30AQI
1st Juli 2025
38AQI
2nd Juli 2025
31AQI
3rd Juli 2025
43AQI
4th Juli 2025
44AQI
5th Juli 2025
52AQI
6th Juli 2025
57AQI
7th Juli 2025
45AQI
8th Juli 2025
31AQI
9th Juli 2025
28AQI
10th Juli 2025
28AQI
11th Juli 2025
30AQI
12th Juli 2025
32AQI
13th Juli 2025
22AQI
14th Juli 2025
23AQI
15th Juli 2025
30AQI
16th Juli 2025
38AQI
17th Juli 2025
35AQI
18th Juli 2025
18AQI
19th Juli 2025
24AQI
20th Juli 2025
21AQI
21st Juli 2025
29AQI
22nd Juli 2025
18AQI
23rd Juli 2025
23AQI
24th Juli 2025
31AQI
25th Juli 2025
37AQI
26th Juli 2025
72AQI
27th Juli 2025
81AQI
28th Juli 2025
68AQI
29th Juli 2025
57AQI
30th Juli 2025
51AQI
31st Juli 2025
67AQI
1st Agustus 2025
54AQI
2nd Agustus 2025
30AQI
3rd Agustus 2025
58AQI
4th Agustus 2025
78AQI
5th Agustus 2025
90AQI
6th Agustus 2025
51AQI
7th Agustus 2025
59AQI
8th Agustus 2025
36AQI
9th Agustus 2025
35AQI
10th Agustus 2025
41AQI
11th Agustus 2025
53AQI
12th Agustus 2025
62AQI
13th Agustus 2025
51AQI
14th Agustus 2025
35AQI
15th Agustus 2025
44AQI
16th Agustus 2025
39AQI
17th Agustus 2025
54AQI
18th Agustus 2025
18AQI
19th Agustus 2025
18AQI
20th Agustus 2025
18AQI
21st Agustus 2025
19AQI
22nd Agustus 2025
24AQI
23rd Agustus 2025
33AQI
24th Agustus 2025
27AQI
25th Agustus 2025
29AQI
26th Agustus 2025
18AQI
27th Agustus 2025
19AQI
28th Agustus 2025
20AQI
29th Agustus 2025
24AQI
30th Agustus 2025
18AQI
31st Agustus 2025
20AQI
1st September 2025
31AQI
2nd September 2025
32AQI
3rd September 2025
30AQI
4th September 2025
26AQI
5th September 2025
31AQI
6th September 2025
46AQI
7th September 2025
36AQI
8th September 2025
23AQI
9th September 2025
23AQI
10th September 2025
23AQI
11th September 2025
26AQI
12th September 2025
32AQI
13th September 2025
33AQI
14th September 2025
38AQI
15th September 2025
43AQI
16th September 2025
31AQI
17th September 2025
24AQI
18th September 2025
22AQI
19th September 2025
25AQI
20th September 2025
19AQI
21st September 2025
24AQI
22nd September 2025
20AQI
23rd September 2025
28AQI
24th September 2025
32AQI
25th September 2025
18AQI
26th September 2025
21AQI
27th September 2025
20AQI
28th September 2025
31AQI
29th September 2025
32AQI
30th September 2025
31AQI
1st Oktober 2025
23AQI
2nd Oktober 2025
21AQI
3rd Oktober 2025
27AQI
4th Oktober 2025
46AQI
5th Oktober 2025
53AQI
6th Oktober 2025
56AQI
7th Oktober 2025
42AQI
8th Oktober 2025
19AQI
9th Oktober 2025
27AQI
10th Oktober 2025
21AQI
11th Oktober 2025
30AQI
12th Oktober 2025
31AQI
13th Oktober 2025
38AQI
14th Oktober 2025
22AQI
15th Oktober 2025
29AQI
16th Oktober 2025
20AQI
17th Oktober 2025
25AQI
18th Oktober 2025
41AQI
19th Oktober 2025
20th Oktober 2025
21st Oktober 2025
22nd Oktober 2025
23rd Oktober 2025
24th Oktober 2025
25th Oktober 2025
26th Oktober 2025
27th Oktober 2025
28th Oktober 2025
29th Oktober 2025
30th Oktober 2025
31st Oktober 2025
1st November 2025
2nd November 2025
3rd November 2025
4th November 2025
5th November 2025
6th November 2025
7th November 2025
8th November 2025
9th November 2025
10th November 2025
11th November 2025
12th November 2025
13th November 2025
14th November 2025
15th November 2025
16th November 2025
17th November 2025
18th November 2025
19th November 2025
20th November 2025
21st November 2025
22nd November 2025
23rd November 2025
24th November 2025
25th November 2025
26th November 2025
27th November 2025
28th November 2025
29th November 2025
30th November 2025
1st Desember 2025
2nd Desember 2025
3rd Desember 2025
4th Desember 2025
5th Desember 2025
6th Desember 2025
7th Desember 2025
8th Desember 2025
9th Desember 2025
10th Desember 2025
11th Desember 2025
12th Desember 2025
13th Desember 2025
14th Desember 2025
15th Desember 2025
16th Desember 2025
17th Desember 2025
18th Desember 2025
19th Desember 2025
20th Desember 2025
21st Desember 2025
22nd Desember 2025
23rd Desember 2025
24th Desember 2025
25th Desember 2025
26th Desember 2025
27th Desember 2025
28th Desember 2025
29th Desember 2025
30th Desember 2025
31st Desember 2025

23AQI

21AQI

23AQI

42AQI

39AQI

38AQI

28AQI

32AQI


Jumlah hari

Jan.Feb.Mar.Apr.MeiJun.Jul.Agu.Sep.Okt.Nov.Des.Jumlah Hari

202532AQI

5
30
31
20
10
23
8
21
10
30
16
2
176
30

Tertinggi AQI tercatat di

Juni

42AQI


Terendah AQI tercatat di

April

21AQI


Tahun Paling & Paling Sedikit Tercemar Selama 1 Tahun Terakhir

Tahun Paling Tercemar Tercatat
2025(Rata-rata)
32AQI
Tahun Paling Sedikit Tercemar Tercatat
2025(Rata-rata)
32AQI


Chelmsford's tahunan 2025 AQI (32) menunjukkan perubahan persentase rata-rata sebesar NaN% (meningkat AQI) dibandingkan dengan tahun-tahun sebelumnya: .