New Haven, Connecticut, 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
New Haven, Connecticut, United States
2021
2022
2023
2024
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
5th Aug 2025
94AQILowest AQI recorded on
20th Aug 2024
11AQISame Day Analysis (9th August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 1st highest AQI at 41 of Good air quality on the same day.
Download 2024 Annual Data
World Air Quality Report
Day & Night AQI Trend: 9th Aug - 10th Aug 2025
New Haven, Connecticut, United States
AQI
Day
Night
.
5 AM9th Aug 2025
8 PM
4 AM10th Aug 2025
Day time
Avg. Highest Time
5AM9th Aug
52AQI
Avg. Lowest Time
4PM9th Aug
39AQI
Night time
Avg. Highest Time
9PM9th Aug
42AQI
Avg. Lowest Time
11PM9th Aug
41AQI
In the last 24 hours,
New Haven's AQI reached its highest point of 52 at 5 AM during the Day, while the lowest point, 39, was recorded at 4 PM during the Day between 9th Aug and 10th Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
New Haven, Connecticut, United States
JulAug
11th - 12th12th - 13th13th - 14th14th - 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
Day
Night
11th Jul 2025345 AMAQI
11th Jul 2025346 AMAQI
11th Jul 2025367 AMAQI
11th Jul 2025378 AMAQI
11th Jul 2025409 AMAQI
11th Jul 20253810 AMAQI
11th Jul 20254011 AMAQI
11th Jul 20254012 PMAQI
11th Jul 2025401 PMAQI
11th Jul 2025402 PMAQI
11th Jul 2025403 PMAQI
11th Jul 2025384 PMAQI
11th Jul 2025385 PMAQI
11th Jul 2025376 PMAQI
11th Jul 2025367 PMAQI
11th Jul 2025378 PMAQI
11th Jul 2025359 PMAQI
11th Jul 20253410 PMAQI
11th Jul 20253511 PMAQI
12th Jul 20253312 AMAQI
12th Jul 2025301 AMAQI
12th Jul 2025282 AMAQI
12th Jul 2025303 AMAQI
12th Jul 2025284 AMAQI
23°C21/25°C
12th Jul 2025275 AMAQI
12th Jul 2025306 AMAQI
12th Jul 2025307 AMAQI
12th Jul 2025308 AMAQI
12th Jul 2025319 AMAQI
12th Jul 20253310 AMAQI
12th Jul 20253211 AMAQI
12th Jul 20253412 PMAQI
12th Jul 2025331 PMAQI
12th Jul 2025312 PMAQI
12th Jul 2025293 PMAQI
12th Jul 2025284 PMAQI
12th Jul 2025285 PMAQI
12th Jul 2025296 PMAQI
12th Jul 2025297 PMAQI
12th Jul 2025298 PMAQI
12th Jul 2025299 PMAQI
12th Jul 20252910 PMAQI
12th Jul 20253411 PMAQI
13th Jul 20253112 AMAQI
13th Jul 2025301 AMAQI
13th Jul 2025312 AMAQI
13th Jul 2025313 AMAQI
13th Jul 2025304 AMAQI
23°C20/26°C
13th Jul 2025305 AMAQI
13th Jul 2025286 AMAQI
13th Jul 2025327 AMAQI
13th Jul 2025278 AMAQI
13th Jul 2025369 AMAQI
13th Jul 20253110 AMAQI
13th Jul 20253211 AMAQI
13th Jul 20253512 PMAQI
13th Jul 2025341 PMAQI
13th Jul 2025342 PMAQI
13th Jul 2025353 PMAQI
13th Jul 2025334 PMAQI
13th Jul 2025335 PMAQI
13th Jul 2025326 PMAQI
13th Jul 2025307 PMAQI
13th Jul 2025328 PMAQI
13th Jul 2025339 PMAQI
13th Jul 20253310 PMAQI
13th Jul 20253411 PMAQI
14th Jul 20253612 AMAQI
14th Jul 2025361 AMAQI
14th Jul 2025392 AMAQI
14th Jul 2025363 AMAQI
14th Jul 2025394 AMAQI
23°C20/26°C
14th Jul 2025375 AMAQI
14th Jul 2025376 AMAQI
14th Jul 2025387 AMAQI
14th Jul 2025388 AMAQI
14th Jul 2025399 AMAQI
14th Jul 20254010 AMAQI
14th Jul 20254211 AMAQI
14th Jul 20254412 PMAQI
14th Jul 2025441 PMAQI
14th Jul 2025442 PMAQI
14th Jul 2025443 PMAQI
14th Jul 2025444 PMAQI
14th Jul 2025445 PMAQI
14th Jul 2025436 PMAQI
14th Jul 2025427 PMAQI
14th Jul 2025418 PMAQI
14th Jul 2025429 PMAQI
14th Jul 20254210 PMAQI
14th Jul 20254311 PMAQI
15th Jul 20254412 AMAQI
15th Jul 2025441 AMAQI
15th Jul 2025442 AMAQI
15th Jul 2025453 AMAQI
15th Jul 2025454 AMAQI
23°C21/26°C
15th Jul 2025455 AMAQI
15th Jul 2025486 AMAQI
15th Jul 2025497 AMAQI
15th Jul 2025498 AMAQI
15th Jul 2025509 AMAQI
15th Jul 20254710 AMAQI
15th Jul 20254811 AMAQI
15th Jul 20255012 PMAQI
15th Jul 2025501 PMAQI
15th Jul 2025522 PMAQI
15th Jul 2025503 PMAQI
15th Jul 2025514 PMAQI
15th Jul 2025485 PMAQI
15th Jul 2025506 PMAQI
15th Jul 2025497 PMAQI
15th Jul 2025508 PMAQI
15th Jul 2025479 PMAQI
15th Jul 20254710 PMAQI
15th Jul 20254911 PMAQI
16th Jul 20255012 AMAQI
16th Jul 2025521 AMAQI
16th Jul 2025532 AMAQI
16th Jul 2025533 AMAQI
16th Jul 2025534 AMAQI
26°C23/32°C
16th Jul 2025535 AMAQI
16th Jul 2025546 AMAQI
16th Jul 2025627 AMAQI
16th Jul 2025598 AMAQI
16th Jul 2025609 AMAQI
16th Jul 20256010 AMAQI
16th Jul 20255811 AMAQI
16th Jul 20255812 PMAQI
16th Jul 2025571 PMAQI
16th Jul 2025562 PMAQI
16th Jul 2025543 PMAQI
16th Jul 2025504 PMAQI
16th Jul 2025515 PMAQI
16th Jul 2025506 PMAQI
16th Jul 2025557 PMAQI
16th Jul 2025558 PMAQI
16th Jul 2025479 PMAQI
16th Jul 20254610 PMAQI
16th Jul 20254511 PMAQI
17th Jul 20254212 AMAQI
17th Jul 2025401 AMAQI
17th Jul 2025422 AMAQI
17th Jul 2025423 AMAQI
17th Jul 2025414 AMAQI
27°C22/31°C
17th Jul 2025435 AMAQI
17th Jul 2025456 AMAQI
17th Jul 2025437 AMAQI
17th Jul 2025398 AMAQI
17th Jul 2025359 AMAQI
17th Jul 20253510 AMAQI
17th Jul 20253311 AMAQI
17th Jul 20253112 PMAQI
17th Jul 2025311 PMAQI
17th Jul 2025332 PMAQI
17th Jul 2025363 PMAQI
17th Jul 2025394 PMAQI
17th Jul 2025385 PMAQI
17th Jul 2025406 PMAQI
17th Jul 2025377 PMAQI
17th Jul 2025398 PMAQI
17th Jul 2025419 PMAQI
17th Jul 20253910 PMAQI
17th Jul 20253711 PMAQI
18th Jul 20253112 AMAQI
18th Jul 2025261 AMAQI
18th Jul 2025242 AMAQI
18th Jul 2025243 AMAQI
18th Jul 2025234 AMAQI
28°C25/35°C
18th Jul 2025245 AMAQI
18th Jul 2025246 AMAQI
18th Jul 2025237 AMAQI
18th Jul 2025228 AMAQI
18th Jul 2025219 AMAQI
18th Jul 20251810 AMAQI
18th Jul 20251811 AMAQI
18th Jul 20251912 PMAQI
18th Jul 2025181 PMAQI
18th Jul 2025192 PMAQI
18th Jul 2025223 PMAQI
18th Jul 2025214 PMAQI
18th Jul 2025225 PMAQI
18th Jul 2025216 PMAQI
18th Jul 2025217 PMAQI
18th Jul 2025198 PMAQI
18th Jul 2025199 PMAQI
18th Jul 20252110 PMAQI
18th Jul 20252311 PMAQI
19th Jul 20252612 AMAQI
19th Jul 2025281 AMAQI
19th Jul 2025312 AMAQI
19th Jul 2025313 AMAQI
19th Jul 2025314 AMAQI
26°C23/30°C
19th Jul 2025285 AMAQI
19th Jul 2025296 AMAQI
19th Jul 2025277 AMAQI
19th Jul 2025278 AMAQI
19th Jul 2025289 AMAQI
19th Jul 20252610 AMAQI
19th Jul 20252411 AMAQI
19th Jul 20252412 PMAQI
19th Jul 2025241 PMAQI
19th Jul 2025242 PMAQI
19th Jul 2025243 PMAQI
19th Jul 2025244 PMAQI
19th Jul 2025255 PMAQI
19th Jul 2025256 PMAQI
19th Jul 2025247 PMAQI
19th Jul 2025268 PMAQI
19th Jul 2025259 PMAQI
19th Jul 20252210 PMAQI
19th Jul 20252411 PMAQI
20th Jul 20252212 AMAQI
20th Jul 2025201 AMAQI
20th Jul 2025222 AMAQI
20th Jul 2025233 AMAQI
20th Jul 2025204 AMAQI
24°C16/31°C
20th Jul 2025225 AMAQI
20th Jul 2025236 AMAQI
20th Jul 2025237 AMAQI
20th Jul 2025238 AMAQI
20th Jul 2025229 AMAQI
20th Jul 20252210 AMAQI
20th Jul 20252311 AMAQI
20th Jul 20252312 PMAQI
20th Jul 2025251 PMAQI
20th Jul 2025252 PMAQI
20th Jul 2025283 PMAQI
20th Jul 2025274 PMAQI
20th Jul 2025275 PMAQI
20th Jul 2025286 PMAQI
20th Jul 2025247 PMAQI
20th Jul 2025258 PMAQI
20th Jul 2025329 PMAQI
20th Jul 20253210 PMAQI
20th Jul 20253311 PMAQI
21st Jul 20253412 AMAQI
21st Jul 2025341 AMAQI
21st Jul 2025322 AMAQI
21st Jul 2025323 AMAQI
21st Jul 2025324 AMAQI
26°C22/31°C
21st Jul 2025325 AMAQI
21st Jul 2025366 AMAQI
21st Jul 2025367 AMAQI
21st Jul 2025368 AMAQI
21st Jul 2025409 AMAQI
21st Jul 20254710 AMAQI
21st Jul 20255311 AMAQI
21st Jul 20255612 PMAQI
21st Jul 2025591 PMAQI
21st Jul 2025582 PMAQI
21st Jul 2025563 PMAQI
21st Jul 2025534 PMAQI
21st Jul 2025565 PMAQI
21st Jul 2025536 PMAQI
21st Jul 2025407 PMAQI
21st Jul 2025408 PMAQI
21st Jul 2025429 PMAQI
21st Jul 20254010 PMAQI
21st Jul 20253911 PMAQI
22nd Jul 20253312 AMAQI
22nd Jul 2025301 AMAQI
22nd Jul 2025282 AMAQI
22nd Jul 2025263 AMAQI
22nd Jul 2025254 AMAQI
25°C20/31°C
22nd Jul 2025265 AMAQI
22nd Jul 2025236 AMAQI
22nd Jul 2025247 AMAQI
22nd Jul 2025258 AMAQI
22nd Jul 2025259 AMAQI
22nd Jul 20252510 AMAQI
22nd Jul 20252411 AMAQI
22nd Jul 20252412 PMAQI
22nd Jul 2025241 PMAQI
22nd Jul 2025242 PMAQI
22nd Jul 2025243 PMAQI
22nd Jul 2025244 PMAQI
22nd Jul 2025235 PMAQI
22nd Jul 2025246 PMAQI
22nd Jul 2025247 PMAQI
22nd Jul 2025268 PMAQI
22nd Jul 2025259 PMAQI
22nd Jul 20252610 PMAQI
22nd Jul 20252411 PMAQI
23rd Jul 20252312 AMAQI
23rd Jul 2025241 AMAQI
23rd Jul 2025252 AMAQI
23rd Jul 2025333 AMAQI
23rd Jul 2025374 AMAQI
22°C17/29°C
23rd Jul 2025345 AMAQI
23rd Jul 2025366 AMAQI
23rd Jul 2025337 AMAQI
23rd Jul 2025308 AMAQI
23rd Jul 2025309 AMAQI
23rd Jul 20253110 AMAQI
23rd Jul 20253111 AMAQI
23rd Jul 20252912 PMAQI
23rd Jul 2025291 PMAQI
23rd Jul 2025302 PMAQI
23rd Jul 2025293 PMAQI
23rd Jul 2025314 PMAQI
23rd Jul 2025325 PMAQI
23rd Jul 2025326 PMAQI
23rd Jul 2025307 PMAQI
23rd Jul 2025308 PMAQI
23rd Jul 2025299 PMAQI
23rd Jul 20252910 PMAQI
23rd Jul 20252911 PMAQI
24th Jul 20252812 AMAQI
24th Jul 2025281 AMAQI
24th Jul 2025262 AMAQI
24th Jul 2025263 AMAQI
24th Jul 2025274 AMAQI
23°C20/27°C
24th Jul 2025295 AMAQI
24th Jul 2025326 AMAQI
24th Jul 2025327 AMAQI
24th Jul 2025348 AMAQI
24th Jul 2025369 AMAQI
24th Jul 20253910 AMAQI
24th Jul 20254211 AMAQI
24th Jul 20254312 PMAQI
24th Jul 2025471 PMAQI
24th Jul 2025482 PMAQI
24th Jul 2025473 PMAQI
24th Jul 2025454 PMAQI
24th Jul 2025465 PMAQI
24th Jul 2025476 PMAQI
24th Jul 2025387 PMAQI
24th Jul 2025378 PMAQI
24th Jul 2025409 PMAQI
24th Jul 20253910 PMAQI
24th Jul 20253711 PMAQI
25th Jul 20253512 AMAQI
25th Jul 2025391 AMAQI
25th Jul 2025342 AMAQI
25th Jul 2025353 AMAQI
25th Jul 2025354 AMAQI
26°C21/32°C
25th Jul 2025385 AMAQI
25th Jul 2025396 AMAQI
25th Jul 2025427 AMAQI
25th Jul 2025428 AMAQI
25th Jul 2025459 AMAQI
25th Jul 20254610 AMAQI
25th Jul 20254911 AMAQI
25th Jul 20255012 PMAQI
25th Jul 2025511 PMAQI
25th Jul 2025502 PMAQI
25th Jul 2025493 PMAQI
25th Jul 2025474 PMAQI
25th Jul 2025435 PMAQI
25th Jul 2025426 PMAQI
25th Jul 2025427 PMAQI
25th Jul 2025438 PMAQI
25th Jul 2025469 PMAQI
25th Jul 20254610 PMAQI
25th Jul 20254911 PMAQI
26th Jul 20255512 AMAQI
26th Jul 2025511 AMAQI
26th Jul 2025462 AMAQI
26th Jul 2025453 AMAQI
26th Jul 2025464 AMAQI
28°C23/35°C
26th Jul 2025505 AMAQI
26th Jul 2025536 AMAQI
26th Jul 2025577 AMAQI
26th Jul 2025618 AMAQI
26th Jul 2025689 AMAQI
26th Jul 20258110 AMAQI
26th Jul 20258511 AMAQI
26th Jul 20258712 PMAQI
26th Jul 2025871 PMAQI
26th Jul 2025842 PMAQI
26th Jul 2025773 PMAQI
26th Jul 2025694 PMAQI
26th Jul 2025775 PMAQI
26th Jul 2025736 PMAQI
26th Jul 2025687 PMAQI
26th Jul 2025668 PMAQI
26th Jul 2025699 PMAQI
26th Jul 20256810 PMAQI
26th Jul 20256511 PMAQI
27th Jul 20256312 AMAQI
27th Jul 2025711 AMAQI
27th Jul 2025632 AMAQI
27th Jul 2025623 AMAQI
27th Jul 2025604 AMAQI
26°C23/29°C
27th Jul 2025635 AMAQI
27th Jul 2025606 AMAQI
27th Jul 2025627 AMAQI
27th Jul 2025648 AMAQI
27th Jul 2025659 AMAQI
27th Jul 20256710 AMAQI
27th Jul 20256811 AMAQI
27th Jul 20256812 PMAQI
27th Jul 2025691 PMAQI
27th Jul 2025712 PMAQI
27th Jul 2025713 PMAQI
27th Jul 2025714 PMAQI
27th Jul 2025745 PMAQI
27th Jul 2025746 PMAQI
27th Jul 2025697 PMAQI
27th Jul 2025698 PMAQI
27th Jul 2025669 PMAQI
27th Jul 20256910 PMAQI
27th Jul 20256711 PMAQI
28th Jul 20256612 AMAQI
28th Jul 2025641 AMAQI
28th Jul 2025642 AMAQI
28th Jul 2025633 AMAQI
28th Jul 2025594 AMAQI
24°C21/26°C
28th Jul 2025585 AMAQI
28th Jul 2025556 AMAQI
28th Jul 2025567 AMAQI
28th Jul 2025568 AMAQI
28th Jul 2025549 AMAQI
28th Jul 20255110 AMAQI
28th Jul 20255111 AMAQI
28th Jul 20255012 PMAQI
28th Jul 2025491 PMAQI
28th Jul 2025522 PMAQI
28th Jul 2025533 PMAQI
28th Jul 2025544 PMAQI
28th Jul 2025535 PMAQI
28th Jul 2025526 PMAQI
28th Jul 2025547 PMAQI
28th Jul 2025538 PMAQI
28th Jul 2025499 PMAQI
28th Jul 20254810 PMAQI
28th Jul 20254811 PMAQI
29th Jul 20254812 AMAQI
29th Jul 2025461 AMAQI
29th Jul 2025462 AMAQI
29th Jul 2025463 AMAQI
29th Jul 2025484 AMAQI
26°C21/35°C
29th Jul 2025495 AMAQI
29th Jul 2025516 AMAQI
29th Jul 2025527 AMAQI
29th Jul 2025548 AMAQI
29th Jul 2025549 AMAQI
29th Jul 20255610 AMAQI
29th Jul 20255511 AMAQI
29th Jul 20255612 PMAQI
29th Jul 2025561 PMAQI
29th Jul 2025582 PMAQI
29th Jul 2025553 PMAQI
29th Jul 2025544 PMAQI
29th Jul 2025535 PMAQI
29th Jul 2025536 PMAQI
29th Jul 2025547 PMAQI
29th Jul 2025548 PMAQI
29th Jul 2025569 PMAQI
29th Jul 20256110 PMAQI
29th Jul 20255611 PMAQI
30th Jul 20255712 AMAQI
30th Jul 2025571 AMAQI
30th Jul 2025552 AMAQI
30th Jul 2025583 AMAQI
30th Jul 2025574 AMAQI
30°C22/38°C
30th Jul 2025565 AMAQI
30th Jul 2025556 AMAQI
30th Jul 2025547 AMAQI
30th Jul 2025528 AMAQI
30th Jul 2025529 AMAQI
30th Jul 20255210 AMAQI
30th Jul 20255211 AMAQI
30th Jul 20255312 PMAQI
30th Jul 2025541 PMAQI
30th Jul 2025532 PMAQI
30th Jul 2025533 PMAQI
30th Jul 2025534 PMAQI
30th Jul 2025535 PMAQI
30th Jul 2025536 PMAQI
30th Jul 2025537 PMAQI
30th Jul 2025538 PMAQI
30th Jul 2025559 PMAQI
30th Jul 20255410 PMAQI
30th Jul 20255511 PMAQI
31st Jul 20255812 AMAQI
31st Jul 2025681 AMAQI
31st Jul 2025812 AMAQI
31st Jul 2025713 AMAQI
31st Jul 2025734 AMAQI
29°C22/36°C
31st Jul 2025765 AMAQI
31st Jul 2025766 AMAQI
31st Jul 2025787 AMAQI
31st Jul 2025758 AMAQI
31st Jul 2025769 AMAQI
31st Jul 20257810 AMAQI
31st Jul 20258511 AMAQI
31st Jul 20259012 PMAQI
31st Jul 2025951 PMAQI
31st Jul 2025992 PMAQI
31st Jul 20251013 PMAQI
31st Jul 20251034 PMAQI
31st Jul 20251045 PMAQI
31st Jul 20251066 PMAQI
31st Jul 2025867 PMAQI
31st Jul 2025918 PMAQI
31st Jul 2025919 PMAQI
31st Jul 20259410 PMAQI
31st Jul 20258211 PMAQI
1st Aug 20257612 AMAQI
1st Aug 2025711 AMAQI
1st Aug 2025682 AMAQI
1st Aug 2025653 AMAQI
1st Aug 2025654 AMAQI
26°C20/31°C
1st Aug 2025655 AMAQI
1st Aug 2025626 AMAQI
1st Aug 2025597 AMAQI
1st Aug 2025568 AMAQI
1st Aug 2025559 AMAQI
1st Aug 20255310 AMAQI
1st Aug 20255411 AMAQI
1st Aug 20255512 PMAQI
1st Aug 2025551 PMAQI
1st Aug 2025562 PMAQI
1st Aug 2025553 PMAQI
1st Aug 2025544 PMAQI
1st Aug 2025535 PMAQI
1st Aug 2025536 PMAQI
1st Aug 2025607 PMAQI
1st Aug 2025548 PMAQI
1st Aug 2025489 PMAQI
1st Aug 20255110 PMAQI
1st Aug 20255111 PMAQI
2nd Aug 20255312 AMAQI
2nd Aug 2025581 AMAQI
2nd Aug 2025592 AMAQI
2nd Aug 2025613 AMAQI
2nd Aug 2025584 AMAQI
20°C15/25°C
2nd Aug 2025535 AMAQI
2nd Aug 2025516 AMAQI
2nd Aug 2025487 AMAQI
2nd Aug 2025448 AMAQI
2nd Aug 2025389 AMAQI
2nd Aug 20253310 AMAQI
2nd Aug 20252811 AMAQI
2nd Aug 20252612 PMAQI
2nd Aug 2025261 PMAQI
2nd Aug 2025282 PMAQI
2nd Aug 2025293 PMAQI
2nd Aug 2025334 PMAQI
2nd Aug 2025365 PMAQI
2nd Aug 2025386 PMAQI
2nd Aug 2025427 PMAQI
2nd Aug 2025428 PMAQI
2nd Aug 2025439 PMAQI
2nd Aug 20254510 PMAQI
2nd Aug 20255411 PMAQI
3rd Aug 20256212 AMAQI
3rd Aug 2025651 AMAQI
3rd Aug 2025662 AMAQI
3rd Aug 2025723 AMAQI
3rd Aug 2025754 AMAQI
21°C14/29°C
3rd Aug 2025695 AMAQI
3rd Aug 2025676 AMAQI
3rd Aug 2025697 AMAQI
3rd Aug 2025638 AMAQI
3rd Aug 2025639 AMAQI
3rd Aug 20256410 AMAQI
3rd Aug 20256911 AMAQI
3rd Aug 20257712 PMAQI
3rd Aug 2025791 PMAQI
3rd Aug 2025772 PMAQI
3rd Aug 2025753 PMAQI
3rd Aug 2025764 PMAQI
3rd Aug 2025755 PMAQI
3rd Aug 2025766 PMAQI
3rd Aug 2025657 PMAQI
3rd Aug 2025718 PMAQI
3rd Aug 2025769 PMAQI
3rd Aug 20256910 PMAQI
3rd Aug 20257211 PMAQI
4th Aug 20257212 AMAQI
4th Aug 2025721 AMAQI
4th Aug 2025732 AMAQI
4th Aug 2025773 AMAQI
4th Aug 2025814 AMAQI
23°C12/31°C
4th Aug 2025805 AMAQI
4th Aug 2025836 AMAQI
4th Aug 2025837 AMAQI
4th Aug 2025868 AMAQI
4th Aug 2025869 AMAQI
4th Aug 20258810 AMAQI
4th Aug 20258411 AMAQI
4th Aug 20258212 PMAQI
4th Aug 2025911 PMAQI
4th Aug 2025872 PMAQI
4th Aug 2025863 PMAQI
4th Aug 2025914 PMAQI
4th Aug 2025915 PMAQI
4th Aug 2025906 PMAQI
4th Aug 2025857 PMAQI
4th Aug 2025868 PMAQI
4th Aug 2025869 PMAQI
4th Aug 20258610 PMAQI
4th Aug 20259011 PMAQI
5th Aug 20259212 AMAQI
5th Aug 2025961 AMAQI
5th Aug 2025932 AMAQI
5th Aug 2025973 AMAQI
5th Aug 2025974 AMAQI
24°C15/33°C
5th Aug 20251025 AMAQI
5th Aug 20251056 AMAQI
5th Aug 20251027 AMAQI
5th Aug 20251108 AMAQI
5th Aug 20251089 AMAQI
5th Aug 202511110 AMAQI
5th Aug 202511211 AMAQI
5th Aug 202510912 PMAQI
5th Aug 20251051 PMAQI
5th Aug 20251032 PMAQI
5th Aug 20251063 PMAQI
5th Aug 20251034 PMAQI
5th Aug 2025985 PMAQI
5th Aug 2025926 PMAQI
5th Aug 20251027 PMAQI
5th Aug 2025938 PMAQI
5th Aug 2025859 PMAQI
5th Aug 20258310 PMAQI
5th Aug 20258311 PMAQI
6th Aug 20258312 AMAQI
6th Aug 2025841 AMAQI
6th Aug 2025832 AMAQI
6th Aug 2025833 AMAQI
6th Aug 2025864 AMAQI
23°C17/32°C
6th Aug 2025845 AMAQI
6th Aug 2025876 AMAQI
6th Aug 2025867 AMAQI
6th Aug 2025878 AMAQI
6th Aug 2025889 AMAQI
6th Aug 20258410 AMAQI
6th Aug 20258011 AMAQI
6th Aug 20257512 PMAQI
6th Aug 2025681 PMAQI
6th Aug 2025642 PMAQI
6th Aug 2025613 PMAQI
6th Aug 2025564 PMAQI
6th Aug 2025515 PMAQI
6th Aug 2025516 PMAQI
6th Aug 2025817 PMAQI
6th Aug 2025668 PMAQI
6th Aug 2025549 PMAQI
6th Aug 20255410 PMAQI
6th Aug 20255511 PMAQI
7th Aug 20256012 AMAQI
7th Aug 2025561 AMAQI
7th Aug 2025562 AMAQI
7th Aug 2025633 AMAQI
7th Aug 2025654 AMAQI
23°C19/30°C
7th Aug 2025665 AMAQI
7th Aug 2025646 AMAQI
7th Aug 2025637 AMAQI
7th Aug 2025628 AMAQI
7th Aug 2025629 AMAQI
7th Aug 20256110 AMAQI
7th Aug 20256311 AMAQI
7th Aug 20256112 PMAQI
7th Aug 2025591 PMAQI
7th Aug 2025582 PMAQI
7th Aug 2025573 PMAQI
7th Aug 2025534 PMAQI
7th Aug 2025525 PMAQI
7th Aug 2025516 PMAQI
7th Aug 2025567 PMAQI
7th Aug 2025548 PMAQI
7th Aug 2025499 PMAQI
7th Aug 20255010 PMAQI
7th Aug 20255111 PMAQI
8th Aug 20255312 AMAQI
8th Aug 2025511 AMAQI
8th Aug 2025572 AMAQI
8th Aug 2025573 AMAQI
8th Aug 2025524 AMAQI
23°C20/29°C
8th Aug 2025485 AMAQI
8th Aug 2025476 AMAQI
8th Aug 2025467 AMAQI
8th Aug 2025468 AMAQI
8th Aug 2025459 AMAQI
8th Aug 20254210 AMAQI
8th Aug 20254111 AMAQI
8th Aug 20254012 PMAQI
8th Aug 2025381 PMAQI
8th Aug 2025392 PMAQI
8th Aug 2025403 PMAQI
8th Aug 2025404 PMAQI
8th Aug 2025415 PMAQI
8th Aug 2025406 PMAQI
8th Aug 2025417 PMAQI
8th Aug 2025408 PMAQI
8th Aug 2025409 PMAQI
8th Aug 20254110 PMAQI
8th Aug 20254111 PMAQI
9th Aug 20254412 AMAQI
9th Aug 2025501 AMAQI
9th Aug 2025542 AMAQI
9th Aug 2025563 AMAQI
9th Aug 2025544 AMAQI
22°C14/29°C
9th Aug 2025525 AMAQI
9th Aug 2025466 AMAQI
9th Aug 2025447 AMAQI
9th Aug 2025428 AMAQI
9th Aug 2025429 AMAQI
9th Aug 20254110 AMAQI
9th Aug 20253911 AMAQI
9th Aug 20254012 PMAQI
9th Aug 2025411 PMAQI
9th Aug 2025412 PMAQI
9th Aug 2025413 PMAQI
9th Aug 2025394 PMAQI
9th Aug 2025405 PMAQI
9th Aug 2025416 PMAQI
9th Aug 2025417 PMAQI
9th Aug 2025418 PMAQI
9th Aug 2025429 PMAQI
9th Aug 20254210 PMAQI
9th Aug 20254111 PMAQI
10th Aug 20254212 AMAQI
10th Aug 2025421 AMAQI
10th Aug 2025422 AMAQI
10th Aug 2025423 AMAQI
10th Aug 2025424 AMAQI
22°C14/29°C
10th Aug 2025415 AMAQI
5 AM10th Aug 2025456 AMAQI
10th Aug 2025437 AMAQI
10th Aug 2025448 AMAQI
10th Aug 2025449 AMAQI
12 PM
8 PM
12 AM
4 AM
--°C/°C
Day time
Avg. Highest Time
5 AM - 8 PM
50AQI
16 hours / Day
480 hours / Month
Avg. Lowest Time
5 AM - 8 PM
50AQI
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. 50), while the lowest AQI was between 5 AM to 8 PM (Avg. 50).
Night time
Avg. Highest Time
12 AM - 11 PM
48AQI
8 hours / Day
240 hours / Month
Avg. Lowest Time
12 AM - 11 PM
48AQI
8 hours / Day
240 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 12 AM to 11 PM (Avg. 48), while the lowest AQI was between 12 AM to 11 PM (Avg. 48).
2025 Days Vs Air Quality
New Haven, Connecticut, United States
2025
85%
188
15%
33
Total number of days with different AQI categories in last 222 days in 2025 (143 days remaining)
Good
188 DaysModerate
33 DaysPoor
0 DaysUnhealthy
0 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 85%
Health Risk Level:
Low
In 2025, 85% of 222 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
New Haven, Connecticut, 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 January 2025
21AQI
21AQI
2nd January 2025
17AQI
17AQI
3rd January 2025
19AQI
19AQI
4th January 2025
17AQI
17AQI
5th January 2025
18AQI
18AQI
6th January 2025
21AQI
21AQI
7th January 2025
18AQI
18AQI
8th January 2025
17AQI
17AQI
9th January 2025
18AQI
18AQI
10th January 2025
19AQI
19AQI
11th January 2025
22AQI
22AQI
12th January 2025
30AQI
30AQI
13th January 2025
55AQI
55AQI
14th January 2025
23AQI
23AQI
15th January 2025
20AQI
20AQI
16th January 2025
35AQI
35AQI
17th January 2025
59AQI
59AQI
18th January 2025
37AQI
37AQI
19th January 2025
31AQI
31AQI
20th January 2025
19AQI
19AQI
21st January 2025
27AQI
27AQI
22nd January 2025
35AQI
35AQI
23rd January 2025
58AQI
58AQI
24th January 2025
52AQI
52AQI
25th January 2025
51AQI
51AQI
26th January 2025
41AQI
41AQI
27th January 2025
30AQI
30AQI
28th January 2025
24AQI
24AQI
29th January 2025
24AQI
24AQI
30th January 2025
19AQI
19AQI
31st January 2025
43AQI
43AQI
1st February 2025
21AQI
21AQI
2nd February 2025
24AQI
24AQI
3rd February 2025
59AQI
59AQI
4th February 2025
28AQI
28AQI
5th February 2025
19AQI
19AQI
6th February 2025
35AQI
35AQI
7th February 2025
33AQI
33AQI
8th February 2025
22AQI
22AQI
9th February 2025
27AQI
27AQI
10th February 2025
40AQI
40AQI
11th February 2025
46AQI
46AQI
12th February 2025
45AQI
45AQI
13th February 2025
22AQI
22AQI
14th February 2025
21AQI
21AQI
15th February 2025
25AQI
25AQI
16th February 2025
22AQI
22AQI
17th February 2025
20AQI
20AQI
18th February 2025
20AQI
20AQI
19th February 2025
19AQI
19AQI
20th February 2025
19AQI
19AQI
21st February 2025
18AQI
18AQI
22nd February 2025
24AQI
24AQI
23rd February 2025
46AQI
46AQI
24th February 2025
50AQI
50AQI
25th February 2025
42AQI
42AQI
26th February 2025
25AQI
25AQI
27th February 2025
43AQI
43AQI
28th February 2025
21AQI
21AQI
1st March 2025
27AQI
27AQI
2nd March 2025
19AQI
19AQI
3rd March 2025
22AQI
22AQI
4th March 2025
41AQI
41AQI
5th March 2025
33AQI
33AQI
6th March 2025
21AQI
21AQI
7th March 2025
20AQI
20AQI
8th March 2025
19AQI
19AQI
9th March 2025
20AQI
20AQI
10th March 2025
29AQI
29AQI
11th March 2025
30AQI
30AQI
12th March 2025
21AQI
21AQI
13th March 2025
22AQI
22AQI
14th March 2025
25AQI
25AQI
15th March 2025
21AQI
21AQI
16th March 2025
34AQI
34AQI
17th March 2025
18AQI
18AQI
18th March 2025
17AQI
17AQI
19th March 2025
25AQI
25AQI
20th March 2025
14AQI
14AQI
21st March 2025
14AQI
14AQI
22nd March 2025
20AQI
20AQI
23rd March 2025
16AQI
16AQI
24th March 2025
26AQI
26AQI
25th March 2025
39AQI
39AQI
26th March 2025
19AQI
19AQI
27th March 2025
19AQI
19AQI
28th March 2025
30AQI
30AQI
29th March 2025
47AQI
47AQI
30th March 2025
23AQI
23AQI
31st March 2025
40AQI
40AQI
1st April 2025
17AQI
17AQI
2nd April 2025
19AQI
19AQI
3rd April 2025
46AQI
46AQI
4th April 2025
32AQI
32AQI
5th April 2025
18AQI
18AQI
6th April 2025
18AQI
18AQI
7th April 2025
18AQI
18AQI
8th April 2025
18AQI
18AQI
9th April 2025
17AQI
17AQI
10th April 2025
25AQI
25AQI
11th April 2025
21AQI
21AQI
12th April 2025
13AQI
13AQI
13th April 2025
16AQI
16AQI
14th April 2025
20AQI
20AQI
15th April 2025
38AQI
38AQI
16th April 2025
11AQI
11AQI
17th April 2025
18AQI
18AQI
18th April 2025
27AQI
27AQI
19th April 2025
59AQI
59AQI
20th April 2025
20AQI
20AQI
21st April 2025
20AQI
20AQI
22nd April 2025
43AQI
43AQI
23rd April 2025
22AQI
22AQI
24th April 2025
39AQI
39AQI
25th April 2025
41AQI
41AQI
26th April 2025
35AQI
35AQI
27th April 2025
10AQI
10AQI
28th April 2025
16AQI
16AQI
29th April 2025
27AQI
27AQI
30th April 2025
27AQI
27AQI
1st May 2025
19AQI
19AQI
2nd May 2025
49AQI
49AQI
3rd May 2025
51AQI
51AQI
4th May 2025
36AQI
36AQI
5th May 2025
18AQI
18AQI
6th May 2025
23AQI
23AQI
7th May 2025
27AQI
27AQI
8th May 2025
24AQI
24AQI
9th May 2025
19AQI
19AQI
10th May 2025
14AQI
14AQI
11th May 2025
28AQI
28AQI
12th May 2025
27AQI
27AQI
13th May 2025
32AQI
32AQI
14th May 2025
27AQI
27AQI
15th May 2025
27AQI
27AQI
16th May 2025
34AQI
34AQI
17th May 2025
39AQI
39AQI
18th May 2025
18AQI
18AQI
19th May 2025
12AQI
12AQI
20th May 2025
13AQI
13AQI
21st May 2025
16AQI
16AQI
22nd May 2025
13AQI
13AQI
23rd May 2025
15AQI
15AQI
24th May 2025
14AQI
14AQI
25th May 2025
14AQI
14AQI
26th May 2025
27AQI
27AQI
27th May 2025
38AQI
38AQI
28th May 2025
28AQI
28AQI
29th May 2025
22AQI
22AQI
30th May 2025
44AQI
44AQI
31st May 2025
21AQI
21AQI
1st June 2025
18AQI
18AQI
2nd June 2025
17AQI
17AQI
3rd June 2025
25AQI
25AQI
4th June 2025
39AQI
39AQI
5th June 2025
61AQI
61AQI
6th June 2025
60AQI
60AQI
7th June 2025
39AQI
39AQI
8th June 2025
62AQI
62AQI
9th June 2025
65AQI
65AQI
10th June 2025
29AQI
29AQI
11th June 2025
43AQI
43AQI
12th June 2025
64AQI
64AQI
13th June 2025
65AQI
65AQI
14th June 2025
58AQI
58AQI
15th June 2025
38AQI
38AQI
16th June 2025
34AQI
34AQI
17th June 2025
25AQI
25AQI
18th June 2025
20AQI
20AQI
19th June 2025
28AQI
28AQI
20th June 2025
31AQI
31AQI
21st June 2025
57AQI
57AQI
22nd June 2025
58AQI
58AQI
23rd June 2025
57AQI
57AQI
24th June 2025
60AQI
60AQI
25th June 2025
51AQI
51AQI
26th June 2025
39AQI
39AQI
27th June 2025
26AQI
26AQI
28th June 2025
31AQI
31AQI
29th June 2025
44AQI
44AQI
30th June 2025
41AQI
41AQI
1st July 2025
46AQI
46AQI
2nd July 2025
39AQI
39AQI
3rd July 2025
47AQI
47AQI
4th July 2025
45AQI
45AQI
5th July 2025
78AQI
78AQI
6th July 2025
60AQI
60AQI
7th July 2025
40AQI
40AQI
8th July 2025
46AQI
46AQI
9th July 2025
34AQI
34AQI
10th July 2025
35AQI
35AQI
11th July 2025
30AQI
30AQI
12th July 2025
26AQI
26AQI
13th July 2025
24AQI
24AQI
14th July 2025
24AQI
24AQI
15th July 2025
25AQI
25AQI
16th July 2025
39AQI
39AQI
17th July 2025
41AQI
41AQI
18th July 2025
19AQI
19AQI
19th July 2025
24AQI
24AQI
20th July 2025
22AQI
22AQI
21st July 2025
39AQI
39AQI
22nd July 2025
25AQI
25AQI
23rd July 2025
31AQI
31AQI
24th July 2025
30AQI
30AQI
25th July 2025
47AQI
47AQI
26th July 2025
70AQI
70AQI
27th July 2025
83AQI
83AQI
28th July 2025
62AQI
62AQI
29th July 2025
60AQI
60AQI
30th July 2025
57AQI
57AQI
31st July 2025
62AQI
62AQI
1st August 2025
56AQI
56AQI
2nd August 2025
44AQI
44AQI
3rd August 2025
57AQI
57AQI
4th August 2025
62AQI
62AQI
5th August 2025
94AQI
94AQI
6th August 2025
63AQI
63AQI
7th August 2025
50AQI
50AQI
8th August 2025
36AQI
36AQI
9th August 2025
41AQI
41AQI
30AQI
30AQI
25AQI
25AQI
25AQI
43AQI
42AQI
56AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202532AQI
26
5
27
1
31
29
1
30
1
18
12
23
8
4
5
188
33
Highest AQI recorded in
August56AQI
Lowest AQI recorded in
March25AQI
202427AQI
31
29
31
30
31
30
29
2
24
7
30
28
3
30
29
2
352
14
Highest AQI recorded in
August35AQI
Lowest AQI recorded in
March20AQI
202333AQI
26
4
24
4
30
1
28
2
29
2
19
7
2
1
1
21
8
1
29
2
24
3
27
3
26
2
25
6
308
44
3
1
1
Highest AQI recorded in
June54AQI
Lowest AQI recorded in
March26AQI
202230AQI
25
6
20
1
27
4
17
30
1
30
20
3
2
30
27
4
28
2
25
6
281
27
Highest AQI recorded in
January36AQI
Lowest AQI recorded in
August21AQI
202132AQI
24
5
24
4
30
1
28
2
30
1
28
2
21
8
2
29
2
30
31
26
4
23
6
324
35
2
Highest AQI recorded in
July44AQI
Lowest AQI recorded in
September26AQI
202032AQI
13
20
1
17
1
28
2
29
2
29
2
28
2
31
23
7
25
6
243
23
Highest AQI recorded in
November40AQI
Lowest AQI recorded in
March23AQI
Most & Least Polluted Years Over the Last 6 Years
Most Polluted Year Recorded
2023(Avg.)
33AQILeast Polluted Year Recorded
2024(Avg.)
27AQINew Haven's annual 2025 AQI (32) shows an average percentage change of 5.5% (worsened AQI) compared to previous years: 2020 (32), 2021 (32), 2022 (30), 2023 (33), 2024 (27).
