Chinatown, Boston, Massachusetts, United States Historical Air Quality Analysis
Dive into detailed Air Quality Insights with historical data, monthly patterns, and yearly trends at your fingertips!
Good
050
Moderate
100
Poor
150
Unhealthy
200
Severe
300
Hazardous
301+
August Air Quality Analysis
Chinatown, Boston, Massachusetts, United States
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
5th Aug 2025
81AQILowest AQI recorded on
2nd Aug 2025
31AQISame Day Analysis (12th August ):
On this day, AQI across the 1 years varied significantly: 2025 ranks 1st highest AQI at 64 of Moderate air quality on the same day.
Download 2024 Annual Data
World Air Quality Report
Day & Night AQI Trend: 12th Aug - 13th Aug 2025
Chinatown, Boston, Massachusetts, United States
AQI
Day
Night
.
5 AM12th Aug 2025
8 PM
4 AM13th Aug 2025
Day time
Avg. Highest Time
4PM12th Aug
68AQI
Avg. Lowest Time
5AM12th Aug
62AQI
Night time
Avg. Highest Time
8PM12th Aug
65AQI
Avg. Lowest Time
4AM13th Aug
54AQI
In the last 24 hours,
Chinatown's AQI reached its highest point of 68 at 4 PM during the Day, while the lowest point, 54, was recorded at 4 AM during the Night between 12th Aug and 13th Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Chinatown, Boston, Massachusetts, 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 - 13th13th
Day
Night
14th Jul 2025245 AMAQI
14th Jul 2025266 AMAQI
14th Jul 2025247 AMAQI
14th Jul 2025248 AMAQI
14th Jul 2025249 AMAQI
14th Jul 20252410 AMAQI
14th Jul 20252411 AMAQI
14th Jul 20252412 PMAQI
14th Jul 2025261 PMAQI
14th Jul 2025262 PMAQI
14th Jul 2025263 PMAQI
14th Jul 2025284 PMAQI
14th Jul 2025285 PMAQI
14th Jul 2025286 PMAQI
14th Jul 2025277 PMAQI
14th Jul 2025268 PMAQI
14th Jul 2025309 PMAQI
14th Jul 20252910 PMAQI
14th Jul 20252811 PMAQI
15th Jul 20253012 AMAQI
15th Jul 2025281 AMAQI
15th Jul 2025262 AMAQI
15th Jul 2025273 AMAQI
15th Jul 2025294 AMAQI
22°C19/27°C
15th Jul 2025265 AMAQI
15th Jul 2025246 AMAQI
15th Jul 2025237 AMAQI
15th Jul 2025228 AMAQI
15th Jul 2025249 AMAQI
15th Jul 20252310 AMAQI
15th Jul 20252711 AMAQI
15th Jul 20253212 PMAQI
15th Jul 2025341 PMAQI
15th Jul 2025362 PMAQI
15th Jul 2025343 PMAQI
15th Jul 2025354 PMAQI
15th Jul 2025365 PMAQI
15th Jul 2025326 PMAQI
15th Jul 2025317 PMAQI
15th Jul 2025328 PMAQI
15th Jul 2025309 PMAQI
15th Jul 20252910 PMAQI
15th Jul 20252811 PMAQI
16th Jul 20252812 AMAQI
16th Jul 2025291 AMAQI
16th Jul 2025282 AMAQI
16th Jul 2025293 AMAQI
16th Jul 2025304 AMAQI
27°C22/34°C
16th Jul 2025285 AMAQI
16th Jul 2025306 AMAQI
16th Jul 2025317 AMAQI
16th Jul 2025348 AMAQI
16th Jul 2025369 AMAQI
16th Jul 20254610 AMAQI
16th Jul 20255411 AMAQI
16th Jul 20255412 PMAQI
16th Jul 2025511 PMAQI
16th Jul 2025492 PMAQI
16th Jul 2025473 PMAQI
16th Jul 2025454 PMAQI
16th Jul 2025435 PMAQI
16th Jul 2025446 PMAQI
16th Jul 2025427 PMAQI
16th Jul 2025408 PMAQI
16th Jul 2025399 PMAQI
16th Jul 20254010 PMAQI
16th Jul 20254011 PMAQI
17th Jul 20253812 AMAQI
17th Jul 2025361 AMAQI
17th Jul 2025362 AMAQI
17th Jul 2025353 AMAQI
17th Jul 2025374 AMAQI
27°C22/33°C
17th Jul 2025405 AMAQI
17th Jul 2025406 AMAQI
17th Jul 2025437 AMAQI
17th Jul 2025438 AMAQI
17th Jul 2025459 AMAQI
17th Jul 20254910 AMAQI
17th Jul 20254811 AMAQI
17th Jul 20254612 PMAQI
17th Jul 2025421 PMAQI
17th Jul 2025342 PMAQI
17th Jul 2025353 PMAQI
17th Jul 2025344 PMAQI
17th Jul 2025345 PMAQI
17th Jul 2025326 PMAQI
17th Jul 2025377 PMAQI
17th Jul 2025388 PMAQI
17th Jul 2025369 PMAQI
17th Jul 20253810 PMAQI
17th Jul 20253811 PMAQI
18th Jul 20253812 AMAQI
18th Jul 2025361 AMAQI
18th Jul 2025252 AMAQI
18th Jul 2025233 AMAQI
18th Jul 2025194 AMAQI
26°C23/32°C
18th Jul 2025205 AMAQI
18th Jul 2025216 AMAQI
18th Jul 2025207 AMAQI
18th Jul 2025188 AMAQI
18th Jul 2025179 AMAQI
18th Jul 20251610 AMAQI
18th Jul 20251411 AMAQI
18th Jul 20251512 PMAQI
18th Jul 2025161 PMAQI
18th Jul 2025172 PMAQI
18th Jul 2025183 PMAQI
18th Jul 2025194 PMAQI
18th Jul 2025205 PMAQI
18th Jul 2025226 PMAQI
18th Jul 2025207 PMAQI
18th Jul 2025208 PMAQI
18th Jul 2025209 PMAQI
18th Jul 20251910 PMAQI
18th Jul 20252011 PMAQI
19th Jul 20252012 AMAQI
19th Jul 2025211 AMAQI
19th Jul 2025262 AMAQI
19th Jul 2025263 AMAQI
19th Jul 2025274 AMAQI
25°C20/29°C
19th Jul 2025285 AMAQI
19th Jul 2025286 AMAQI
19th Jul 2025297 AMAQI
19th Jul 2025308 AMAQI
19th Jul 2025319 AMAQI
19th Jul 20253210 AMAQI
19th Jul 20253111 AMAQI
19th Jul 20253212 PMAQI
19th Jul 2025301 PMAQI
19th Jul 2025302 PMAQI
19th Jul 2025293 PMAQI
19th Jul 2025294 PMAQI
19th Jul 2025295 PMAQI
19th Jul 2025286 PMAQI
19th Jul 2025287 PMAQI
19th Jul 2025278 PMAQI
19th Jul 2025249 PMAQI
19th Jul 20252410 PMAQI
19th Jul 20252511 PMAQI
20th Jul 20252312 AMAQI
20th Jul 2025231 AMAQI
20th Jul 2025182 AMAQI
20th Jul 2025163 AMAQI
20th Jul 2025154 AMAQI
24°C17/30°C
20th Jul 2025165 AMAQI
20th Jul 2025166 AMAQI
20th Jul 2025177 AMAQI
20th Jul 2025178 AMAQI
20th Jul 2025179 AMAQI
20th Jul 20251810 AMAQI
20th Jul 20251911 AMAQI
20th Jul 20251812 PMAQI
20th Jul 2025191 PMAQI
20th Jul 2025212 PMAQI
20th Jul 2025223 PMAQI
20th Jul 2025234 PMAQI
20th Jul 2025235 PMAQI
20th Jul 2025246 PMAQI
20th Jul 2025227 PMAQI
20th Jul 2025218 PMAQI
20th Jul 2025269 PMAQI
20th Jul 20252410 PMAQI
20th Jul 20252411 PMAQI
21st Jul 20252512 AMAQI
21st Jul 2025241 AMAQI
21st Jul 2025192 AMAQI
21st Jul 2025203 AMAQI
21st Jul 2025204 AMAQI
25°C20/32°C
21st Jul 2025235 AMAQI
21st Jul 2025286 AMAQI
21st Jul 2025327 AMAQI
21st Jul 2025388 AMAQI
21st Jul 2025489 AMAQI
21st Jul 20255510 AMAQI
21st Jul 20255511 AMAQI
21st Jul 20255512 PMAQI
21st Jul 2025541 PMAQI
21st Jul 2025492 PMAQI
21st Jul 2025483 PMAQI
21st Jul 2025384 PMAQI
21st Jul 2025315 PMAQI
21st Jul 2025276 PMAQI
21st Jul 2025277 PMAQI
21st Jul 2025268 PMAQI
21st Jul 2025229 PMAQI
21st Jul 20252210 PMAQI
21st Jul 20252211 PMAQI
22nd Jul 20252212 AMAQI
22nd Jul 2025221 AMAQI
22nd Jul 2025172 AMAQI
22nd Jul 2025183 AMAQI
22nd Jul 2025174 AMAQI
23°C19/27°C
22nd Jul 2025175 AMAQI
22nd Jul 2025166 AMAQI
22nd Jul 2025187 AMAQI
22nd Jul 2025188 AMAQI
22nd Jul 2025189 AMAQI
22nd Jul 20251810 AMAQI
22nd Jul 20251911 AMAQI
22nd Jul 20251812 PMAQI
22nd Jul 2025181 PMAQI
22nd Jul 2025192 PMAQI
22nd Jul 2025193 PMAQI
22nd Jul 2025194 PMAQI
22nd Jul 2025195 PMAQI
22nd Jul 2025186 PMAQI
22nd Jul 2025187 PMAQI
22nd Jul 2025198 PMAQI
22nd Jul 2025199 PMAQI
22nd Jul 20252110 PMAQI
22nd Jul 20252111 PMAQI
23rd Jul 20252112 AMAQI
23rd Jul 2025201 AMAQI
23rd Jul 2025232 AMAQI
23rd Jul 2025223 AMAQI
23rd Jul 2025224 AMAQI
21°C15/27°C
23rd Jul 2025205 AMAQI
23rd Jul 2025206 AMAQI
23rd Jul 2025217 AMAQI
23rd Jul 2025228 AMAQI
23rd Jul 2025269 AMAQI
23rd Jul 20252810 AMAQI
23rd Jul 20253111 AMAQI
23rd Jul 20253112 PMAQI
23rd Jul 2025321 PMAQI
23rd Jul 2025312 PMAQI
23rd Jul 2025283 PMAQI
23rd Jul 2025284 PMAQI
23rd Jul 2025275 PMAQI
23rd Jul 2025266 PMAQI
23rd Jul 2025267 PMAQI
23rd Jul 2025268 PMAQI
23rd Jul 2025259 PMAQI
23rd Jul 20252410 PMAQI
23rd Jul 20252311 PMAQI
24th Jul 20252412 AMAQI
24th Jul 2025231 AMAQI
24th Jul 2025202 AMAQI
24th Jul 2025233 AMAQI
24th Jul 2025224 AMAQI
23°C18/28°C
24th Jul 2025225 AMAQI
24th Jul 2025226 AMAQI
24th Jul 2025227 AMAQI
24th Jul 2025238 AMAQI
24th Jul 2025239 AMAQI
24th Jul 20252510 AMAQI
24th Jul 20252911 AMAQI
24th Jul 20253612 PMAQI
24th Jul 2025411 PMAQI
24th Jul 2025422 PMAQI
24th Jul 2025413 PMAQI
24th Jul 2025464 PMAQI
24th Jul 2025465 PMAQI
24th Jul 2025456 PMAQI
24th Jul 2025317 PMAQI
24th Jul 2025298 PMAQI
24th Jul 2025359 PMAQI
24th Jul 20253310 PMAQI
24th Jul 20253311 PMAQI
25th Jul 20253212 AMAQI
25th Jul 2025311 AMAQI
25th Jul 2025312 AMAQI
25th Jul 2025303 AMAQI
25th Jul 2025314 AMAQI
26°C19/33°C
25th Jul 2025345 AMAQI
25th Jul 2025356 AMAQI
25th Jul 2025397 AMAQI
25th Jul 2025428 AMAQI
25th Jul 2025509 AMAQI
25th Jul 20255010 AMAQI
25th Jul 20255211 AMAQI
25th Jul 20255412 PMAQI
25th Jul 2025561 PMAQI
25th Jul 2025542 PMAQI
25th Jul 2025523 PMAQI
25th Jul 2025464 PMAQI
25th Jul 2025475 PMAQI
25th Jul 2025446 PMAQI
25th Jul 2025427 PMAQI
25th Jul 2025408 PMAQI
25th Jul 2025309 PMAQI
25th Jul 20253010 PMAQI
25th Jul 20253011 PMAQI
26th Jul 20253212 AMAQI
26th Jul 2025311 AMAQI
26th Jul 2025562 AMAQI
26th Jul 2025573 AMAQI
26th Jul 2025654 AMAQI
27°C22/35°C
26th Jul 20251025 AMAQI
26th Jul 20251246 AMAQI
26th Jul 20251337 AMAQI
26th Jul 20251318 AMAQI
26th Jul 20251259 AMAQI
26th Jul 202510810 AMAQI
26th Jul 202510211 AMAQI
26th Jul 20258812 PMAQI
26th Jul 2025801 PMAQI
26th Jul 2025792 PMAQI
26th Jul 2025793 PMAQI
26th Jul 2025714 PMAQI
26th Jul 2025655 PMAQI
26th Jul 2025666 PMAQI
26th Jul 2025667 PMAQI
26th Jul 2025668 PMAQI
26th Jul 2025649 PMAQI
26th Jul 20256610 PMAQI
26th Jul 20256911 PMAQI
27th Jul 20256812 AMAQI
27th Jul 2025731 AMAQI
27th Jul 2025832 AMAQI
27th Jul 2025853 AMAQI
27th Jul 2025864 AMAQI
25°C21/29°C
27th Jul 2025845 AMAQI
27th Jul 2025766 AMAQI
27th Jul 2025737 AMAQI
27th Jul 2025738 AMAQI
27th Jul 2025749 AMAQI
27th Jul 20257610 AMAQI
27th Jul 20257511 AMAQI
27th Jul 20258012 PMAQI
27th Jul 2025811 PMAQI
27th Jul 2025812 PMAQI
27th Jul 2025803 PMAQI
27th Jul 2025824 PMAQI
27th Jul 2025805 PMAQI
27th Jul 2025786 PMAQI
27th Jul 2025777 PMAQI
27th Jul 2025758 PMAQI
27th Jul 2025769 PMAQI
27th Jul 20257710 PMAQI
27th Jul 20257811 PMAQI
28th Jul 20257512 AMAQI
28th Jul 2025761 AMAQI
28th Jul 2025802 AMAQI
28th Jul 2025823 AMAQI
28th Jul 2025814 AMAQI
22°C19/25°C
28th Jul 2025785 AMAQI
28th Jul 2025756 AMAQI
28th Jul 2025727 AMAQI
28th Jul 2025728 AMAQI
28th Jul 2025719 AMAQI
28th Jul 20256910 AMAQI
28th Jul 20256911 AMAQI
28th Jul 20256712 PMAQI
28th Jul 2025651 PMAQI
28th Jul 2025652 PMAQI
28th Jul 2025663 PMAQI
28th Jul 2025664 PMAQI
28th Jul 2025655 PMAQI
28th Jul 2025646 PMAQI
28th Jul 2025697 PMAQI
28th Jul 2025668 PMAQI
28th Jul 2025619 PMAQI
28th Jul 20256110 PMAQI
28th Jul 20256111 PMAQI
29th Jul 20256112 AMAQI
29th Jul 2025621 AMAQI
29th Jul 2025592 AMAQI
29th Jul 2025593 AMAQI
29th Jul 2025584 AMAQI
25°C20/32°C
29th Jul 2025595 AMAQI
29th Jul 2025606 AMAQI
29th Jul 2025617 AMAQI
29th Jul 2025628 AMAQI
29th Jul 2025629 AMAQI
29th Jul 20256210 AMAQI
29th Jul 20256011 AMAQI
29th Jul 20256212 PMAQI
29th Jul 2025621 PMAQI
29th Jul 2025622 PMAQI
29th Jul 2025623 PMAQI
29th Jul 2025614 PMAQI
29th Jul 2025615 PMAQI
29th Jul 2025606 PMAQI
29th Jul 2025607 PMAQI
29th Jul 2025608 PMAQI
29th Jul 2025589 PMAQI
29th Jul 20255610 PMAQI
29th Jul 20255711 PMAQI
30th Jul 20255612 AMAQI
30th Jul 2025561 AMAQI
30th Jul 2025562 AMAQI
30th Jul 2025553 AMAQI
30th Jul 2025524 AMAQI
30°C23/37°C
30th Jul 2025495 AMAQI
30th Jul 2025486 AMAQI
30th Jul 2025487 AMAQI
30th Jul 2025528 AMAQI
30th Jul 2025529 AMAQI
30th Jul 20255310 AMAQI
30th Jul 20255411 AMAQI
30th Jul 20255412 PMAQI
30th Jul 2025561 PMAQI
30th Jul 2025562 PMAQI
30th Jul 2025563 PMAQI
30th Jul 2025564 PMAQI
30th Jul 2025565 PMAQI
30th Jul 2025566 PMAQI
30th Jul 2025567 PMAQI
30th Jul 2025568 PMAQI
30th Jul 2025559 PMAQI
30th Jul 20255510 PMAQI
30th Jul 20255411 PMAQI
31st Jul 20255612 AMAQI
31st Jul 2025541 AMAQI
31st Jul 2025472 AMAQI
31st Jul 2025453 AMAQI
31st Jul 2025444 AMAQI
27°C24/30°C
31st Jul 2025495 AMAQI
31st Jul 2025536 AMAQI
31st Jul 2025567 AMAQI
31st Jul 2025618 AMAQI
31st Jul 2025669 AMAQI
31st Jul 20257110 AMAQI
31st Jul 20257811 AMAQI
31st Jul 20258412 PMAQI
31st Jul 2025881 PMAQI
31st Jul 2025902 PMAQI
31st Jul 2025923 PMAQI
31st Jul 2025914 PMAQI
31st Jul 2025945 PMAQI
31st Jul 2025916 PMAQI
31st Jul 2025657 PMAQI
31st Jul 2025738 PMAQI
31st Jul 2025819 PMAQI
31st Jul 20258410 PMAQI
31st Jul 20257311 PMAQI
1st Aug 20256812 AMAQI
1st Aug 2025611 AMAQI
1st Aug 2025672 AMAQI
1st Aug 2025703 AMAQI
1st Aug 2025754 AMAQI
23°C18/25°C
1st Aug 2025755 AMAQI
1st Aug 2025726 AMAQI
1st Aug 2025737 AMAQI
1st Aug 2025728 AMAQI
1st Aug 2025689 AMAQI
1st Aug 20257010 AMAQI
1st Aug 20256611 AMAQI
1st Aug 20256312 PMAQI
1st Aug 2025621 PMAQI
1st Aug 2025612 PMAQI
1st Aug 2025593 PMAQI
1st Aug 2025564 PMAQI
1st Aug 2025505 PMAQI
1st Aug 2025386 PMAQI
1st Aug 2025697 PMAQI
1st Aug 2025488 PMAQI
1st Aug 2025289 PMAQI
1st Aug 20252910 PMAQI
1st Aug 20253111 PMAQI
2nd Aug 20253212 AMAQI
2nd Aug 2025401 AMAQI
2nd Aug 2025392 AMAQI
2nd Aug 2025313 AMAQI
2nd Aug 2025304 AMAQI
19°C16/22°C
2nd Aug 2025315 AMAQI
2nd Aug 2025316 AMAQI
2nd Aug 2025327 AMAQI
2nd Aug 2025308 AMAQI
2nd Aug 2025299 AMAQI
2nd Aug 20252610 AMAQI
2nd Aug 20252511 AMAQI
2nd Aug 20252612 PMAQI
2nd Aug 2025281 PMAQI
2nd Aug 2025272 PMAQI
2nd Aug 2025273 PMAQI
2nd Aug 2025284 PMAQI
2nd Aug 2025275 PMAQI
2nd Aug 2025286 PMAQI
2nd Aug 2025307 PMAQI
2nd Aug 2025318 PMAQI
2nd Aug 2025339 PMAQI
2nd Aug 20253610 PMAQI
2nd Aug 20253511 PMAQI
3rd Aug 20253612 AMAQI
3rd Aug 2025401 AMAQI
3rd Aug 2025382 AMAQI
3rd Aug 2025353 AMAQI
3rd Aug 2025344 AMAQI
20°C14/26°C
3rd Aug 2025345 AMAQI
3rd Aug 2025356 AMAQI
3rd Aug 2025347 AMAQI
3rd Aug 2025408 AMAQI
3rd Aug 2025509 AMAQI
3rd Aug 20255910 AMAQI
3rd Aug 20256411 AMAQI
3rd Aug 20257012 PMAQI
3rd Aug 2025761 PMAQI
3rd Aug 2025802 PMAQI
3rd Aug 2025853 PMAQI
3rd Aug 2025904 PMAQI
3rd Aug 2025865 PMAQI
3rd Aug 2025826 PMAQI
3rd Aug 2025547 PMAQI
3rd Aug 2025588 PMAQI
3rd Aug 2025619 PMAQI
3rd Aug 20255610 PMAQI
3rd Aug 20255411 PMAQI
4th Aug 20255312 AMAQI
4th Aug 2025541 AMAQI
4th Aug 2025542 AMAQI
4th Aug 2025373 AMAQI
4th Aug 2025404 AMAQI
23°C15/30°C
4th Aug 2025435 AMAQI
4th Aug 2025516 AMAQI
4th Aug 2025557 AMAQI
4th Aug 2025588 AMAQI
4th Aug 2025659 AMAQI
4th Aug 20257110 AMAQI
4th Aug 20257911 AMAQI
4th Aug 20259212 PMAQI
4th Aug 20251061 PMAQI
4th Aug 20251152 PMAQI
4th Aug 20251183 PMAQI
4th Aug 20251264 PMAQI
4th Aug 20251105 PMAQI
4th Aug 20251066 PMAQI
4th Aug 2025677 PMAQI
4th Aug 2025888 PMAQI
4th Aug 20251029 PMAQI
4th Aug 202510210 PMAQI
4th Aug 202510611 PMAQI
5th Aug 202510012 AMAQI
5th Aug 2025961 AMAQI
5th Aug 2025782 AMAQI
5th Aug 2025763 AMAQI
5th Aug 2025814 AMAQI
24°C17/31°C
5th Aug 2025855 AMAQI
5th Aug 20251066 AMAQI
5th Aug 20251067 AMAQI
5th Aug 20251248 AMAQI
5th Aug 20251219 AMAQI
5th Aug 202511810 AMAQI
5th Aug 202511411 AMAQI
5th Aug 202510012 PMAQI
5th Aug 2025821 PMAQI
5th Aug 2025742 PMAQI
5th Aug 2025653 PMAQI
5th Aug 2025604 PMAQI
5th Aug 2025565 PMAQI
5th Aug 2025526 PMAQI
5th Aug 2025827 PMAQI
5th Aug 2025688 PMAQI
5th Aug 2025539 PMAQI
5th Aug 20255210 PMAQI
5th Aug 20255311 PMAQI
6th Aug 20254912 AMAQI
6th Aug 2025451 AMAQI
6th Aug 2025502 AMAQI
6th Aug 2025523 AMAQI
6th Aug 2025514 AMAQI
21°C19/22°C
6th Aug 2025525 AMAQI
6th Aug 2025526 AMAQI
6th Aug 2025527 AMAQI
6th Aug 2025548 AMAQI
6th Aug 2025549 AMAQI
6th Aug 20255510 AMAQI
6th Aug 20255511 AMAQI
6th Aug 20255512 PMAQI
6th Aug 2025541 PMAQI
6th Aug 2025472 PMAQI
6th Aug 2025383 PMAQI
6th Aug 2025344 PMAQI
6th Aug 2025375 PMAQI
6th Aug 2025406 PMAQI
6th Aug 2025527 PMAQI
6th Aug 2025558 PMAQI
6th Aug 2025609 PMAQI
6th Aug 20256810 PMAQI
6th Aug 20255511 PMAQI
7th Aug 20255812 AMAQI
7th Aug 2025791 AMAQI
7th Aug 2025782 AMAQI
7th Aug 2025723 AMAQI
7th Aug 2025694 AMAQI
20°C17/24°C
7th Aug 2025665 AMAQI
7th Aug 2025666 AMAQI
7th Aug 2025697 AMAQI
7th Aug 2025698 AMAQI
7th Aug 2025709 AMAQI
7th Aug 20257110 AMAQI
7th Aug 20256011 AMAQI
7th Aug 20255612 PMAQI
7th Aug 2025521 PMAQI
7th Aug 2025522 PMAQI
7th Aug 2025543 PMAQI
7th Aug 2025544 PMAQI
7th Aug 2025565 PMAQI
7th Aug 2025556 PMAQI
7th Aug 2025607 PMAQI
7th Aug 2025628 PMAQI
7th Aug 2025569 PMAQI
7th Aug 20255510 PMAQI
7th Aug 20255511 PMAQI
8th Aug 20255212 AMAQI
8th Aug 2025351 AMAQI
8th Aug 2025322 AMAQI
8th Aug 2025313 AMAQI
8th Aug 2025304 AMAQI
22°C16/26°C
8th Aug 2025315 AMAQI
8th Aug 2025306 AMAQI
8th Aug 2025337 AMAQI
8th Aug 2025358 AMAQI
8th Aug 2025349 AMAQI
8th Aug 20253410 AMAQI
8th Aug 20253411 AMAQI
8th Aug 20253412 PMAQI
8th Aug 2025361 PMAQI
8th Aug 2025362 PMAQI
8th Aug 2025363 PMAQI
8th Aug 2025374 PMAQI
8th Aug 2025365 PMAQI
8th Aug 2025366 PMAQI
8th Aug 2025367 PMAQI
8th Aug 2025368 PMAQI
8th Aug 2025379 PMAQI
8th Aug 20253610 PMAQI
8th Aug 20253511 PMAQI
9th Aug 20253512 AMAQI
9th Aug 2025331 AMAQI
9th Aug 2025342 AMAQI
9th Aug 2025343 AMAQI
9th Aug 2025344 AMAQI
23°C17/29°C
9th Aug 2025335 AMAQI
9th Aug 2025326 AMAQI
9th Aug 2025337 AMAQI
9th Aug 2025338 AMAQI
9th Aug 2025329 AMAQI
9th Aug 20253210 AMAQI
9th Aug 20253311 AMAQI
9th Aug 20253512 PMAQI
9th Aug 2025381 PMAQI
9th Aug 2025372 PMAQI
9th Aug 2025363 PMAQI
9th Aug 2025334 PMAQI
9th Aug 2025345 PMAQI
9th Aug 2025356 PMAQI
9th Aug 2025357 PMAQI
9th Aug 2025348 PMAQI
9th Aug 2025339 PMAQI
9th Aug 20253410 PMAQI
9th Aug 20253411 PMAQI
10th Aug 20253412 AMAQI
10th Aug 2025311 AMAQI
10th Aug 2025322 AMAQI
10th Aug 2025313 AMAQI
10th Aug 2025314 AMAQI
21°C17/26°C
10th Aug 2025305 AMAQI
10th Aug 2025306 AMAQI
10th Aug 2025307 AMAQI
10th Aug 2025308 AMAQI
10th Aug 2025329 AMAQI
10th Aug 20253410 AMAQI
10th Aug 20253911 AMAQI
10th Aug 20254812 PMAQI
10th Aug 2025521 PMAQI
10th Aug 2025482 PMAQI
10th Aug 2025493 PMAQI
10th Aug 2025504 PMAQI
10th Aug 2025495 PMAQI
10th Aug 2025496 PMAQI
10th Aug 2025397 PMAQI
10th Aug 2025388 PMAQI
10th Aug 2025459 PMAQI
10th Aug 20254110 PMAQI
10th Aug 20254111 PMAQI
11th Aug 20254012 AMAQI
11th Aug 2025341 AMAQI
11th Aug 2025362 AMAQI
11th Aug 2025413 AMAQI
11th Aug 2025444 AMAQI
25°C19/33°C
11th Aug 2025465 AMAQI
11th Aug 2025486 AMAQI
11th Aug 2025537 AMAQI
11th Aug 2025558 AMAQI
11th Aug 2025569 AMAQI
11th Aug 20255710 AMAQI
11th Aug 20255911 AMAQI
11th Aug 20256112 PMAQI
11th Aug 2025611 PMAQI
11th Aug 2025612 PMAQI
11th Aug 2025613 PMAQI
11th Aug 2025614 PMAQI
11th Aug 2025625 PMAQI
11th Aug 2025626 PMAQI
11th Aug 2025567 PMAQI
11th Aug 2025588 PMAQI
11th Aug 2025609 PMAQI
11th Aug 20256210 PMAQI
11th Aug 20256211 PMAQI
12th Aug 20256212 AMAQI
12th Aug 2025651 AMAQI
12th Aug 2025632 AMAQI
12th Aug 2025603 AMAQI
12th Aug 2025634 AMAQI
29°C22/36°C
12th Aug 2025625 AMAQI
12th Aug 2025656 AMAQI
12th Aug 2025647 AMAQI
12th Aug 2025658 AMAQI
12th Aug 2025639 AMAQI
12th Aug 20256410 AMAQI
12th Aug 20256611 AMAQI
12th Aug 20256512 PMAQI
12th Aug 2025641 PMAQI
12th Aug 2025662 PMAQI
12th Aug 2025663 PMAQI
12th Aug 2025684 PMAQI
12th Aug 2025645 PMAQI
12th Aug 2025666 PMAQI
12th Aug 2025637 PMAQI
12th Aug 2025658 PMAQI
12th Aug 2025639 PMAQI
12th Aug 20256310 PMAQI
12th Aug 20256011 PMAQI
13th Aug 20255812 AMAQI
13th Aug 2025571 AMAQI
13th Aug 2025562 AMAQI
13th Aug 2025543 AMAQI
13th Aug 2025544 AMAQI
29°C22/35°C
13th Aug 2025525 AMAQI
5 AM13th Aug 2025526 AMAQI
13th Aug 2025497 AMAQI
13th Aug 2025508 AMAQI
13th Aug 2025529 AMAQI
13th Aug 20255210 AMAQI
13th Aug 20255311 AMAQI
13th Aug 20255212 PMAQI
12 PM13th Aug 2025521 PMAQI
8 PM
12 AM
4 AM
--°C/°C
Day time
Avg. Highest Time
5 AM - 8 PM
49AQI
16 hours / Day
480 hours / Month
Avg. Lowest Time
5 AM - 8 PM
49AQI
16 hours / Day
480 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 5 AM to 8 PM (Avg. 49), while the lowest AQI was between 5 AM to 8 PM (Avg. 49).
Night time
Avg. Highest Time
9 PM - 11 PM
45AQI
3 hours / Day
90 hours / Month
Avg. Lowest Time
12 AM - 4 AM
43AQI
5 hours / Day
150 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 9 PM to 11 PM (Avg. 45), while the lowest AQI was between 12 AM to 4 AM (Avg. 43).
2025 Days Vs Air Quality
Chinatown, Boston, Massachusetts, United States
2025
78%
109
22%
30
Total number of days with different AQI categories in last 225 days in 2025 (140 days remaining)
Good
109 DaysModerate
30 DaysPoor
0 DaysUnhealthy
0 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 78%
Health Risk Level:
Low
In 2025, 78% of 225 days were within WHO’s safe air quality limits. The risk of health issues is Low, but the long-term effects, especially on vulnerable individuals, remain uncertain.
Annual Air Quality Insights
Chinatown, Boston, Massachusetts, United States
AQI levels in 2025
AQI
PM2.5
PM10
CO
SO2
NO2
O3
Sun.Mon.Tue.Wed.Thu.Fri.Sat.
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
1st March 2025
19AQI
19AQI
2nd March 2025
22AQI
22AQI
3rd March 2025
24AQI
24AQI
4th March 2025
25AQI
25AQI
5th March 2025
39AQI
39AQI
1st April 2025
20AQI
20AQI
2nd April 2025
19AQI
19AQI
3rd April 2025
29AQI
29AQI
4th April 2025
28AQI
28AQI
5th April 2025
25AQI
25AQI
6th April 2025
25AQI
25AQI
7th April 2025
19AQI
19AQI
8th April 2025
17AQI
17AQI
9th April 2025
16AQI
16AQI
10th April 2025
21AQI
21AQI
11th April 2025
24AQI
24AQI
12th April 2025
22AQI
22AQI
13th April 2025
19AQI
19AQI
14th April 2025
23AQI
23AQI
15th April 2025
36AQI
36AQI
16th April 2025
14AQI
14AQI
17th April 2025
16AQI
16AQI
18th April 2025
21AQI
21AQI
19th April 2025
49AQI
49AQI
20th April 2025
23AQI
23AQI
21st April 2025
18AQI
18AQI
22nd April 2025
45AQI
45AQI
23rd April 2025
28AQI
28AQI
24th April 2025
24AQI
24AQI
25th April 2025
56AQI
56AQI
26th April 2025
34AQI
34AQI
27th April 2025
14AQI
14AQI
28th April 2025
21AQI
21AQI
29th April 2025
28AQI
28AQI
30th April 2025
26AQI
26AQI
1st May 2025
19AQI
19AQI
2nd May 2025
42AQI
42AQI
3rd May 2025
49AQI
49AQI
4th May 2025
40AQI
40AQI
5th May 2025
29AQI
29AQI
6th May 2025
36AQI
36AQI
7th May 2025
31AQI
31AQI
8th May 2025
28AQI
28AQI
9th May 2025
37AQI
37AQI
10th May 2025
17AQI
17AQI
11th May 2025
24AQI
24AQI
12th May 2025
25AQI
25AQI
13th May 2025
32AQI
32AQI
14th May 2025
33AQI
33AQI
15th May 2025
44AQI
44AQI
16th May 2025
39AQI
39AQI
17th May 2025
38AQI
38AQI
18th May 2025
21AQI
21AQI
19th May 2025
13AQI
13AQI
20th May 2025
13AQI
13AQI
21st May 2025
19AQI
19AQI
22nd May 2025
25AQI
25AQI
23rd May 2025
14AQI
14AQI
24th May 2025
15AQI
15AQI
25th May 2025
15AQI
15AQI
26th May 2025
20AQI
20AQI
27th May 2025
27AQI
27AQI
28th May 2025
29AQI
29AQI
29th May 2025
23AQI
23AQI
30th May 2025
34AQI
34AQI
31st May 2025
20AQI
20AQI
1st June 2025
14AQI
14AQI
2nd June 2025
19AQI
19AQI
3rd June 2025
25AQI
25AQI
4th June 2025
41AQI
41AQI
5th June 2025
59AQI
59AQI
6th June 2025
61AQI
61AQI
7th June 2025
56AQI
56AQI
8th June 2025
88AQI
88AQI
9th June 2025
82AQI
82AQI
10th June 2025
54AQI
54AQI
11th June 2025
53AQI
53AQI
12th June 2025
71AQI
71AQI
13th June 2025
55AQI
55AQI
14th June 2025
48AQI
48AQI
15th June 2025
31AQI
31AQI
16th June 2025
37AQI
37AQI
17th June 2025
32AQI
32AQI
18th June 2025
25AQI
25AQI
19th June 2025
29AQI
29AQI
20th June 2025
36AQI
36AQI
21st June 2025
54AQI
54AQI
22nd June 2025
54AQI
54AQI
23rd June 2025
54AQI
54AQI
24th June 2025
57AQI
57AQI
25th June 2025
54AQI
54AQI
26th June 2025
39AQI
39AQI
27th June 2025
26AQI
26AQI
28th June 2025
31AQI
31AQI
29th June 2025
43AQI
43AQI
30th June 2025
40AQI
40AQI
1st July 2025
41AQI
41AQI
2nd July 2025
35AQI
35AQI
3rd July 2025
47AQI
47AQI
4th July 2025
43AQI
43AQI
5th July 2025
49AQI
49AQI
6th July 2025
59AQI
59AQI
7th July 2025
45AQI
45AQI
8th July 2025
37AQI
37AQI
9th July 2025
34AQI
34AQI
10th July 2025
30AQI
30AQI
11th July 2025
33AQI
33AQI
12th July 2025
33AQI
33AQI
13th July 2025
23AQI
23AQI
14th July 2025
26AQI
26AQI
15th July 2025
29AQI
29AQI
16th July 2025
38AQI
38AQI
17th July 2025
39AQI
39AQI
18th July 2025
21AQI
21AQI
19th July 2025
27AQI
27AQI
20th July 2025
20AQI
20AQI
21st July 2025
31AQI
31AQI
22nd July 2025
19AQI
19AQI
23rd July 2025
25AQI
25AQI
24th July 2025
30AQI
30AQI
25th July 2025
39AQI
39AQI
26th July 2025
76AQI
76AQI
27th July 2025
78AQI
78AQI
28th July 2025
70AQI
70AQI
29th July 2025
60AQI
60AQI
30th July 2025
54AQI
54AQI
31st July 2025
69AQI
69AQI
1st August 2025
59AQI
59AQI
2nd August 2025
31AQI
31AQI
3rd August 2025
55AQI
55AQI
4th August 2025
77AQI
77AQI
5th August 2025
81AQI
81AQI
6th August 2025
51AQI
51AQI
7th August 2025
63AQI
63AQI
8th August 2025
35AQI
35AQI
9th August 2025
34AQI
34AQI
10th August 2025
38AQI
38AQI
11th August 2025
53AQI
53AQI
12th August 2025
64AQI
64AQI
26AQI
25AQI
27AQI
46AQI
41AQI
53AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202536AQI
5
29
1
31
16
14
24
7
4
8
109
30
Highest AQI recorded in
August53AQI
Lowest AQI recorded in
April25AQI
Most & Least Polluted Years Over the Last 1 Years
Most Polluted Year Recorded
2025(Avg.)
36AQILeast Polluted Year Recorded
2025(Avg.)
36AQIChinatown's annual 2025 AQI (36) shows an average percentage change of NaN% (improved AQI) compared to previous years: .
