Country Background
HistoryAQIPM₂.₅PM₁₀COSO₂NO₂O₃

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

2022
2023
2024
2025
2026
AQI
.
Days

AQI Trends: Highest and Lowest

Highest AQI recorded on
5th Aug 2025
94AQI
Lowest AQI recorded on
20th Aug 2024
11AQI

Same Day Analysis (12th August):
On this day, AQI across the 5 years varied significantly: 2026 ranks 3rd highest AQI at 34 of Good air quality, showing improvement over 2025 and 2023 on the same day.

Day & Night AQI Trend: 11th Aug - 12th Aug 2026

New Haven, Connecticut, United States

AQI
Day
Night
.

5 AM11th Aug 2026

8 PM

4 AM12th Aug 2026

Day time
Avg. Highest Time
9AM11th Aug

45AQI

Avg. Lowest Time
1PM11th Aug

40AQI

Night time
Avg. Highest Time
4AM12th Aug

50AQI

Avg. Lowest Time
1AM12th Aug

45AQI

In the last 24 hours,

New Haven's AQI reached its highest point of 50 at 4 AM during the Night, while the lowest point, 40, was recorded at 1 PM during the Day between 11th Aug and 12th Aug 2026.

Day & Night AQI Trend : Jul - Aug 2026

New Haven, Connecticut, 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
Day
Night
14th Jul 2026225 AMAQI
14th Jul 2026146 AMAQI
14th Jul 2026147 AMAQI
14th Jul 2026248 AMAQI
14th Jul 2026329 AMAQI
14th Jul 20263010 AMAQI
14th Jul 20262211 AMAQI
14th Jul 20263212 PMAQI
14th Jul 2026271 PMAQI
14th Jul 2026372 PMAQI
14th Jul 2026273 PMAQI
14th Jul 2026294 PMAQI
14th Jul 2026265 PMAQI
14th Jul 2026266 PMAQI
14th Jul 2026307 PMAQI
14th Jul 2026308 PMAQI
14th Jul 2026229 PMAQI
14th Jul 20262210 PMAQI
14th Jul 20262111 PMAQI
15th Jul 20262112 AMAQI
15th Jul 2026221 AMAQI
15th Jul 2026302 AMAQI
15th Jul 2026263 AMAQI
15th Jul 2026244 AMAQI

27°C21/34°C

15th Jul 2026325 AMAQI
15th Jul 2026446 AMAQI
15th Jul 2026327 AMAQI
15th Jul 2026218 AMAQI
15th Jul 2026409 AMAQI
15th Jul 20262810 AMAQI
15th Jul 20263211 AMAQI
15th Jul 20265512 PMAQI
15th Jul 2026941 PMAQI
15th Jul 2026522 PMAQI
15th Jul 20261323 PMAQI
15th Jul 2026704 PMAQI
15th Jul 2026765 PMAQI
15th Jul 2026676 PMAQI
15th Jul 2026677 PMAQI
15th Jul 2026648 PMAQI
15th Jul 2026929 PMAQI
15th Jul 20265810 PMAQI
15th Jul 20265911 PMAQI
16th Jul 20265712 AMAQI
16th Jul 2026591 AMAQI
16th Jul 2026822 AMAQI
16th Jul 2026553 AMAQI
16th Jul 2026574 AMAQI

28°C23/35°C

16th Jul 2026575 AMAQI
16th Jul 2026566 AMAQI
16th Jul 2026587 AMAQI
16th Jul 2026588 AMAQI
16th Jul 2026609 AMAQI
16th Jul 20265610 AMAQI
16th Jul 20265911 AMAQI
16th Jul 20266012 PMAQI
16th Jul 2026741 PMAQI
16th Jul 2026762 PMAQI
16th Jul 2026583 PMAQI
16th Jul 2026674 PMAQI
16th Jul 2026825 PMAQI
16th Jul 2026826 PMAQI
16th Jul 2026887 PMAQI
16th Jul 2026908 PMAQI
16th Jul 2026859 PMAQI
16th Jul 202612910 PMAQI
16th Jul 202612811 PMAQI
17th Jul 20268212 AMAQI
17th Jul 20261691 AMAQI
17th Jul 20261232 AMAQI
17th Jul 2026793 AMAQI
17th Jul 2026804 AMAQI

27°C21/34°C

17th Jul 20261605 AMAQI
17th Jul 20261606 AMAQI
17th Jul 20261617 AMAQI
17th Jul 20261588 AMAQI
17th Jul 20261569 AMAQI
17th Jul 202611510 AMAQI
17th Jul 20268611 AMAQI
17th Jul 20266412 PMAQI
17th Jul 2026521 PMAQI
17th Jul 2026482 PMAQI
17th Jul 2026403 PMAQI
17th Jul 2026464 PMAQI
17th Jul 2026445 PMAQI
17th Jul 2026426 PMAQI
17th Jul 2026477 PMAQI
17th Jul 2026608 PMAQI
17th Jul 2026529 PMAQI
17th Jul 20265410 PMAQI
17th Jul 20265811 PMAQI
18th Jul 20266212 AMAQI
18th Jul 2026651 AMAQI
18th Jul 2026662 AMAQI
18th Jul 2026693 AMAQI
18th Jul 2026724 AMAQI

25°C18/32°C

18th Jul 2026785 AMAQI
18th Jul 2026826 AMAQI
18th Jul 2026927 AMAQI
18th Jul 2026988 AMAQI
18th Jul 20261269 AMAQI
18th Jul 202614310 AMAQI
18th Jul 202615611 AMAQI
18th Jul 202615912 PMAQI
18th Jul 20261621 PMAQI
18th Jul 20261642 PMAQI
18th Jul 20261623 PMAQI
18th Jul 20261634 PMAQI
18th Jul 20261615 PMAQI
18th Jul 20261606 PMAQI
18th Jul 20261567 PMAQI
18th Jul 20261558 PMAQI
18th Jul 20261489 PMAQI
18th Jul 202614410 PMAQI
18th Jul 202611011 PMAQI
19th Jul 20269712 AMAQI
19th Jul 2026611 AMAQI
19th Jul 2026522 AMAQI
19th Jul 2026503 AMAQI
19th Jul 2026504 AMAQI

22°C19/30°C

19th Jul 2026565 AMAQI
19th Jul 2026566 AMAQI
19th Jul 2026567 AMAQI
19th Jul 2026538 AMAQI
19th Jul 2026499 AMAQI
19th Jul 20264610 AMAQI
19th Jul 20264111 AMAQI
19th Jul 20264512 PMAQI
19th Jul 2026451 PMAQI
19th Jul 2026502 PMAQI
19th Jul 2026503 PMAQI
19th Jul 2026444 PMAQI
19th Jul 2026445 PMAQI
19th Jul 2026326 PMAQI
19th Jul 2026447 PMAQI
19th Jul 2026278 PMAQI
19th Jul 2026379 PMAQI
19th Jul 20263210 PMAQI
19th Jul 20263711 PMAQI
20th Jul 20263812 AMAQI
20th Jul 2026451 AMAQI
20th Jul 2026352 AMAQI
20th Jul 2026453 AMAQI
20th Jul 2026354 AMAQI

23°C19/29°C

20th Jul 2026385 AMAQI
20th Jul 2026536 AMAQI
20th Jul 2026357 AMAQI
20th Jul 2026428 AMAQI
20th Jul 2026239 AMAQI
20th Jul 20261410 AMAQI
20th Jul 20262811 AMAQI
20th Jul 20261612 PMAQI
20th Jul 2026201 PMAQI
20th Jul 2026212 PMAQI
20th Jul 2026253 PMAQI
20th Jul 2026214 PMAQI
20th Jul 2026255 PMAQI
20th Jul 2026426 PMAQI
20th Jul 2026387 PMAQI
20th Jul 2026328 PMAQI
20th Jul 2026389 PMAQI
20th Jul 20264110 PMAQI
21st Jul 20264412 AMAQI
21st Jul 2026331 AMAQI
21st Jul 2026582 AMAQI
21st Jul 2026223 AMAQI
21st Jul 2026404 AMAQI

22°C15/29°C

21st Jul 2026585 AMAQI
21st Jul 2026446 AMAQI
21st Jul 2026417 AMAQI
21st Jul 2026448 AMAQI
21st Jul 2026479 AMAQI
21st Jul 20264410 AMAQI
21st Jul 20264511 AMAQI
21st Jul 20264512 PMAQI
21st Jul 2026441 PMAQI
21st Jul 2026452 PMAQI
21st Jul 2026463 PMAQI
21st Jul 2026464 PMAQI
21st Jul 2026395 PMAQI
21st Jul 2026336 PMAQI
21st Jul 2026407 PMAQI
21st Jul 2026348 PMAQI
21st Jul 2026419 PMAQI
21st Jul 20264410 PMAQI
21st Jul 20264511 PMAQI
22nd Jul 20264412 AMAQI
22nd Jul 2026421 AMAQI
22nd Jul 2026442 AMAQI
22nd Jul 2026463 AMAQI
22nd Jul 2026424 AMAQI

22°C18/27°C

22nd Jul 2026335 AMAQI
22nd Jul 2026256 AMAQI
22nd Jul 2026257 AMAQI
22nd Jul 2026278 AMAQI
22nd Jul 2026219 AMAQI
22nd Jul 20262710 AMAQI
22nd Jul 20262311 AMAQI
22nd Jul 20262512 PMAQI
22nd Jul 2026291 PMAQI
22nd Jul 2026402 PMAQI
22nd Jul 2026383 PMAQI
22nd Jul 2026254 PMAQI
22nd Jul 2026215 PMAQI
22nd Jul 2026296 PMAQI
22nd Jul 2026237 PMAQI
22nd Jul 2026298 PMAQI
22nd Jul 2026309 PMAQI
22nd Jul 20262510 PMAQI
22nd Jul 20264211 PMAQI
23rd Jul 20264312 AMAQI
23rd Jul 2026431 AMAQI
23rd Jul 2026392 AMAQI
23rd Jul 2026443 AMAQI
23rd Jul 2026384 AMAQI

25°C20/30°C

23rd Jul 2026215 AMAQI
23rd Jul 2026486 AMAQI
23rd Jul 2026127 AMAQI
23rd Jul 2026388 AMAQI
23rd Jul 2026349 AMAQI
23rd Jul 20264910 AMAQI
23rd Jul 20263311 AMAQI
23rd Jul 20265012 PMAQI
23rd Jul 2026361 PMAQI
23rd Jul 2026552 PMAQI
23rd Jul 2026623 PMAQI
23rd Jul 2026574 PMAQI
23rd Jul 2026385 PMAQI
23rd Jul 2026346 PMAQI
23rd Jul 2026397 PMAQI
23rd Jul 2026298 PMAQI
23rd Jul 2026309 PMAQI
23rd Jul 20264210 PMAQI
23rd Jul 20266311 PMAQI
24th Jul 20264412 AMAQI
24th Jul 2026451 AMAQI
24th Jul 2026212 AMAQI
24th Jul 2026313 AMAQI
24th Jul 2026214 AMAQI

21°C15/27°C

24th Jul 2026295 AMAQI
24th Jul 2026406 AMAQI
24th Jul 2026427 AMAQI
24th Jul 2026268 AMAQI
24th Jul 2026269 AMAQI
24th Jul 20262510 AMAQI
24th Jul 20263211 AMAQI
24th Jul 20262612 PMAQI
24th Jul 2026251 PMAQI
24th Jul 2026302 PMAQI
24th Jul 2026283 PMAQI
24th Jul 2026384 PMAQI
24th Jul 2026425 PMAQI
24th Jul 2026336 PMAQI
24th Jul 2026337 PMAQI
24th Jul 2026388 PMAQI
24th Jul 2026259 PMAQI
24th Jul 20262510 PMAQI
24th Jul 20262511 PMAQI
25th Jul 20264012 AMAQI
25th Jul 2026381 AMAQI
25th Jul 2026252 AMAQI
25th Jul 2026253 AMAQI
25th Jul 2026254 AMAQI

21°C15/29°C

25th Jul 2026425 AMAQI
25th Jul 2026566 AMAQI
25th Jul 2026527 AMAQI
25th Jul 2026478 AMAQI
25th Jul 2026329 AMAQI
25th Jul 20263410 AMAQI
25th Jul 20262711 AMAQI
25th Jul 20262912 PMAQI
25th Jul 2026321 PMAQI
25th Jul 2026302 PMAQI
25th Jul 2026233 PMAQI
25th Jul 2026174 PMAQI
25th Jul 2026215 PMAQI
25th Jul 2026346 PMAQI
25th Jul 2026347 PMAQI
25th Jul 2026278 PMAQI
25th Jul 2026259 PMAQI
25th Jul 20263610 PMAQI
25th Jul 20262911 PMAQI
26th Jul 20266612 AMAQI
26th Jul 2026491 AMAQI
26th Jul 2026462 AMAQI
26th Jul 2026483 AMAQI
26th Jul 2026484 AMAQI

21°C15/28°C

26th Jul 2026435 AMAQI
26th Jul 2026436 AMAQI
26th Jul 2026407 AMAQI
26th Jul 2026428 AMAQI
26th Jul 2026419 AMAQI
26th Jul 20263110 AMAQI
26th Jul 20261611 AMAQI
26th Jul 20263212 PMAQI
26th Jul 2026331 PMAQI
26th Jul 2026212 PMAQI
26th Jul 2026243 PMAQI
26th Jul 2026234 PMAQI
26th Jul 2026345 PMAQI
26th Jul 2026226 PMAQI
26th Jul 2026217 PMAQI
26th Jul 2026258 PMAQI
26th Jul 2026339 PMAQI
26th Jul 20262310 PMAQI
26th Jul 20263511 PMAQI
27th Jul 20262412 AMAQI
27th Jul 2026231 AMAQI
27th Jul 2026232 AMAQI
27th Jul 2026223 AMAQI
27th Jul 2026384 AMAQI

21°C14/30°C

27th Jul 2026325 AMAQI
27th Jul 2026236 AMAQI
27th Jul 2026367 AMAQI
27th Jul 2026278 AMAQI
27th Jul 2026359 AMAQI
27th Jul 20264210 AMAQI
27th Jul 20264211 AMAQI
27th Jul 20264312 PMAQI
27th Jul 2026461 PMAQI
27th Jul 2026412 PMAQI
27th Jul 2026393 PMAQI
27th Jul 2026394 PMAQI
27th Jul 2026385 PMAQI
27th Jul 2026326 PMAQI
27th Jul 2026367 PMAQI
27th Jul 2026328 PMAQI
27th Jul 2026329 PMAQI
27th Jul 20263710 PMAQI
27th Jul 20263411 PMAQI
28th Jul 20263712 AMAQI
28th Jul 2026431 AMAQI
28th Jul 2026412 AMAQI
28th Jul 2026413 AMAQI
28th Jul 2026454 AMAQI

23°C16/30°C

28th Jul 2026505 AMAQI
28th Jul 2026506 AMAQI
28th Jul 2026497 AMAQI
28th Jul 2026468 AMAQI
28th Jul 2026469 AMAQI
28th Jul 20265010 AMAQI
28th Jul 20264911 AMAQI
28th Jul 20265212 PMAQI
28th Jul 2026511 PMAQI
28th Jul 2026502 PMAQI
28th Jul 2026473 PMAQI
28th Jul 2026454 PMAQI
28th Jul 2026455 PMAQI
28th Jul 2026426 PMAQI
28th Jul 2026397 PMAQI
28th Jul 2026248 PMAQI
28th Jul 2026249 PMAQI
28th Jul 20263610 PMAQI
28th Jul 20262711 PMAQI
29th Jul 20262312 AMAQI
29th Jul 2026361 AMAQI
29th Jul 2026202 AMAQI
29th Jul 2026183 AMAQI
29th Jul 2026194 AMAQI

24°C20/29°C

29th Jul 2026205 AMAQI
29th Jul 2026466 AMAQI
29th Jul 2026347 AMAQI
29th Jul 2026378 AMAQI
29th Jul 2026389 AMAQI
29th Jul 20263310 AMAQI
29th Jul 20262511 AMAQI
29th Jul 20263212 PMAQI
29th Jul 2026351 PMAQI
29th Jul 2026302 PMAQI
29th Jul 2026373 PMAQI
29th Jul 2026334 PMAQI
29th Jul 2026375 PMAQI
29th Jul 2026396 PMAQI
29th Jul 2026277 PMAQI
29th Jul 2026388 PMAQI
29th Jul 2026429 PMAQI
29th Jul 20264510 PMAQI
29th Jul 20264111 PMAQI
30th Jul 20264312 AMAQI
30th Jul 2026431 AMAQI
30th Jul 2026432 AMAQI
30th Jul 2026413 AMAQI
30th Jul 2026444 AMAQI

22°C20/24°C

30th Jul 2026425 AMAQI
30th Jul 2026226 AMAQI
30th Jul 2026187 AMAQI
30th Jul 2026188 AMAQI
30th Jul 2026109 AMAQI
30th Jul 20261510 AMAQI
30th Jul 20261211 AMAQI
30th Jul 20262112 PMAQI
30th Jul 2026181 PMAQI
30th Jul 202682 PMAQI
30th Jul 2026313 PMAQI
30th Jul 2026254 PMAQI
30th Jul 2026165 PMAQI
30th Jul 2026156 PMAQI
30th Jul 2026227 PMAQI
30th Jul 2026248 PMAQI
30th Jul 2026219 PMAQI
30th Jul 20262510 PMAQI
30th Jul 20262111 PMAQI
31st Jul 20262112 AMAQI
31st Jul 2026161 AMAQI
31st Jul 2026212 AMAQI
31st Jul 2026253 AMAQI
31st Jul 2026344 AMAQI

21°C19/25°C

31st Jul 2026205 AMAQI
31st Jul 2026236 AMAQI
31st Jul 2026227 AMAQI
31st Jul 2026238 AMAQI
31st Jul 2026219 AMAQI
31st Jul 20262010 AMAQI
31st Jul 20262111 AMAQI
31st Jul 20263712 PMAQI
31st Jul 2026301 PMAQI
31st Jul 2026342 PMAQI
31st Jul 2026233 PMAQI
31st Jul 2026244 PMAQI
31st Jul 2026255 PMAQI
31st Jul 2026366 PMAQI
31st Jul 2026247 PMAQI
31st Jul 2026218 PMAQI
31st Jul 2026259 PMAQI
31st Jul 20262510 PMAQI
31st Jul 20263411 PMAQI
1st Aug 20264212 AMAQI
1st Aug 2026421 AMAQI
1st Aug 2026392 AMAQI
1st Aug 2026433 AMAQI
1st Aug 2026424 AMAQI

23°C18/30°C

1st Aug 2026355 AMAQI
1st Aug 2026346 AMAQI
1st Aug 2026367 AMAQI
1st Aug 2026368 AMAQI
1st Aug 2026419 AMAQI
1st Aug 20264110 AMAQI
1st Aug 20263811 AMAQI
1st Aug 20264312 PMAQI
1st Aug 2026421 PMAQI
1st Aug 2026412 PMAQI
1st Aug 2026413 PMAQI
1st Aug 2026394 PMAQI
1st Aug 2026365 PMAQI
1st Aug 2026366 PMAQI
1st Aug 2026387 PMAQI
1st Aug 2026368 PMAQI
1st Aug 2026269 PMAQI
1st Aug 20263410 PMAQI
1st Aug 20262511 PMAQI
2nd Aug 20262112 AMAQI
2nd Aug 2026231 AMAQI
2nd Aug 2026422 AMAQI
2nd Aug 2026423 AMAQI
2nd Aug 2026304 AMAQI

25°C20/31°C

2nd Aug 2026365 AMAQI
2nd Aug 2026346 AMAQI
2nd Aug 2026327 AMAQI
2nd Aug 2026328 AMAQI
2nd Aug 2026369 AMAQI
2nd Aug 20264210 AMAQI
2nd Aug 20262511 AMAQI
2nd Aug 20263412 PMAQI
2nd Aug 2026341 PMAQI
2nd Aug 2026422 PMAQI
2nd Aug 2026423 PMAQI
2nd Aug 2026344 PMAQI
2nd Aug 2026365 PMAQI
2nd Aug 2026366 PMAQI
2nd Aug 2026387 PMAQI
2nd Aug 2026288 PMAQI
2nd Aug 2026249 PMAQI
2nd Aug 20263310 PMAQI
2nd Aug 20263011 PMAQI
3rd Aug 20262712 AMAQI
3rd Aug 2026311 AMAQI
3rd Aug 2026362 AMAQI
3rd Aug 2026373 AMAQI
3rd Aug 2026414 AMAQI

25°C22/31°C

3rd Aug 2026505 AMAQI
3rd Aug 2026506 AMAQI
3rd Aug 2026527 AMAQI
3rd Aug 2026508 AMAQI
3rd Aug 2026429 AMAQI
3rd Aug 20264010 AMAQI
3rd Aug 20263611 AMAQI
3rd Aug 20263812 PMAQI
3rd Aug 2026321 PMAQI
3rd Aug 2026402 PMAQI
3rd Aug 2026363 PMAQI
3rd Aug 2026444 PMAQI
3rd Aug 2026185 PMAQI
3rd Aug 2026336 PMAQI
3rd Aug 2026377 PMAQI
3rd Aug 2026428 PMAQI
3rd Aug 2026449 PMAQI
3rd Aug 20264010 PMAQI
3rd Aug 20263811 PMAQI
4th Aug 20262512 AMAQI
4th Aug 2026271 AMAQI
4th Aug 2026322 AMAQI
4th Aug 2026163 AMAQI
4th Aug 2026114 AMAQI

24°C20/27°C

4th Aug 2026125 AMAQI
4th Aug 2026196 AMAQI
4th Aug 2026167 AMAQI
4th Aug 2026218 AMAQI
4th Aug 2026209 AMAQI
4th Aug 20262210 AMAQI
4th Aug 20262011 AMAQI
4th Aug 20262012 PMAQI
4th Aug 2026231 PMAQI
4th Aug 2026462 PMAQI
4th Aug 2026523 PMAQI
4th Aug 2026254 PMAQI
4th Aug 2026385 PMAQI
4th Aug 2026296 PMAQI
4th Aug 2026367 PMAQI
4th Aug 2026138 PMAQI
4th Aug 2026109 PMAQI
4th Aug 20261910 PMAQI
4th Aug 20262311 PMAQI
5th Aug 20262412 AMAQI
5th Aug 2026251 AMAQI
5th Aug 2026292 AMAQI
5th Aug 2026203 AMAQI
5th Aug 2026274 AMAQI

23°C18/30°C

5th Aug 2026325 AMAQI
5th Aug 2026466 AMAQI
5th Aug 2026327 AMAQI
5th Aug 2026238 AMAQI
5th Aug 2026429 AMAQI
5th Aug 20263410 AMAQI
5th Aug 20262111 AMAQI
5th Aug 20262212 PMAQI
5th Aug 2026281 PMAQI
5th Aug 2026152 PMAQI
5th Aug 2026423 PMAQI
5th Aug 2026254 PMAQI
5th Aug 2026335 PMAQI
5th Aug 2026386 PMAQI
5th Aug 2026237 PMAQI
5th Aug 2026108 PMAQI
5th Aug 2026259 PMAQI
5th Aug 20261810 PMAQI
5th Aug 20261211 PMAQI
6th Aug 20262312 AMAQI
6th Aug 2026381 AMAQI
6th Aug 2026212 AMAQI
6th Aug 2026253 AMAQI
6th Aug 2026464 AMAQI

24°C18/32°C

6th Aug 2026465 AMAQI
6th Aug 2026416 AMAQI
6th Aug 2026407 AMAQI
6th Aug 2026458 AMAQI
6th Aug 2026439 AMAQI
6th Aug 20264910 AMAQI
6th Aug 20264311 AMAQI
6th Aug 20264512 PMAQI
6th Aug 2026451 PMAQI
6th Aug 2026492 PMAQI
6th Aug 2026463 PMAQI
6th Aug 2026504 PMAQI
6th Aug 2026505 PMAQI
6th Aug 2026526 PMAQI
6th Aug 2026487 PMAQI
6th Aug 2026488 PMAQI
6th Aug 2026459 PMAQI
6th Aug 20264510 PMAQI
6th Aug 20264311 PMAQI
7th Aug 20264312 AMAQI
7th Aug 2026401 AMAQI
7th Aug 2026432 AMAQI
7th Aug 2026423 AMAQI
7th Aug 2026414 AMAQI

28°C23/35°C

7th Aug 2026435 AMAQI
7th Aug 2026426 AMAQI
7th Aug 2026437 AMAQI
7th Aug 2026398 AMAQI
7th Aug 2026379 AMAQI
7th Aug 20263610 AMAQI
7th Aug 20263311 AMAQI
7th Aug 20262512 PMAQI
7th Aug 2026251 PMAQI
7th Aug 2026292 PMAQI
7th Aug 2026283 PMAQI
7th Aug 2026254 PMAQI
7th Aug 2026225 PMAQI
7th Aug 2026246 PMAQI
7th Aug 2026257 PMAQI
7th Aug 2026238 PMAQI
7th Aug 2026289 PMAQI
7th Aug 20262510 PMAQI
7th Aug 20262511 PMAQI
8th Aug 20262312 AMAQI
8th Aug 2026251 AMAQI
8th Aug 2026292 AMAQI
8th Aug 2026293 AMAQI
8th Aug 2026344 AMAQI

29°C24/36°C

8th Aug 2026265 AMAQI
8th Aug 2026256 AMAQI
8th Aug 2026237 AMAQI
8th Aug 2026318 AMAQI
8th Aug 2026339 AMAQI
8th Aug 20262510 AMAQI
8th Aug 20262911 AMAQI
8th Aug 20262112 PMAQI
8th Aug 2026211 PMAQI
8th Aug 2026252 PMAQI
8th Aug 2026253 PMAQI
8th Aug 2026254 PMAQI
8th Aug 2026255 PMAQI
8th Aug 2026406 PMAQI
8th Aug 2026427 PMAQI
8th Aug 2026428 PMAQI
8th Aug 2026399 PMAQI
8th Aug 20263910 PMAQI
8th Aug 20264011 PMAQI
9th Aug 20264212 AMAQI
9th Aug 2026401 AMAQI
9th Aug 2026332 AMAQI
9th Aug 2026293 AMAQI
9th Aug 2026364 AMAQI

27°C22/34°C

9th Aug 2026385 AMAQI
9th Aug 2026406 AMAQI
9th Aug 2026407 AMAQI
9th Aug 2026418 AMAQI
9th Aug 2026439 AMAQI
9th Aug 20264110 AMAQI
9th Aug 20263911 AMAQI
9th Aug 20264112 PMAQI
9th Aug 2026421 PMAQI
9th Aug 2026442 PMAQI
9th Aug 2026393 PMAQI
9th Aug 2026434 PMAQI
9th Aug 2026435 PMAQI
9th Aug 2026426 PMAQI
9th Aug 2026417 PMAQI
9th Aug 2026408 PMAQI
9th Aug 2026419 PMAQI
9th Aug 20264310 PMAQI
9th Aug 20263911 PMAQI
10th Aug 20263912 AMAQI
10th Aug 2026421 AMAQI
10th Aug 2026442 AMAQI
10th Aug 2026393 AMAQI
10th Aug 2026334 AMAQI

28°C23/34°C

10th Aug 2026235 AMAQI
10th Aug 2026256 AMAQI
10th Aug 2026277 AMAQI
10th Aug 2026368 AMAQI
10th Aug 2026349 AMAQI
10th Aug 20262910 AMAQI
10th Aug 20264211 AMAQI
10th Aug 20262312 PMAQI
10th Aug 2026291 PMAQI
10th Aug 2026322 PMAQI
10th Aug 2026383 PMAQI
10th Aug 2026404 PMAQI
10th Aug 2026295 PMAQI
10th Aug 2026236 PMAQI
10th Aug 2026257 PMAQI
10th Aug 2026238 PMAQI
10th Aug 2026219 PMAQI
10th Aug 20262510 PMAQI
10th Aug 20263811 PMAQI
11th Aug 20264112 AMAQI
11th Aug 2026441 AMAQI
11th Aug 2026462 AMAQI
11th Aug 2026443 AMAQI
11th Aug 2026484 AMAQI

26°C20/34°C

11th Aug 2026445 AMAQI
11th Aug 2026436 AMAQI
11th Aug 2026437 AMAQI
11th Aug 2026438 AMAQI
11th Aug 2026459 AMAQI
11th Aug 20264110 AMAQI
11th Aug 20264011 AMAQI
11th Aug 20264112 PMAQI
11th Aug 2026401 PMAQI
11th Aug 2026422 PMAQI
11th Aug 2026413 PMAQI
11th Aug 2026424 PMAQI
11th Aug 2026435 PMAQI
11th Aug 2026456 PMAQI
11th Aug 2026457 PMAQI
11th Aug 2026468 PMAQI
11th Aug 2026489 PMAQI
11th Aug 20264610 PMAQI
11th Aug 20264611 PMAQI
12th Aug 20264712 AMAQI
12th Aug 2026451 AMAQI
12th Aug 2026462 AMAQI
12th Aug 2026483 AMAQI
12th Aug 2026504 AMAQI

26°C21/34°C

12th Aug 2026495 AMAQI
5 AM
12th Aug 2026466 AMAQI
12th Aug 2026427 AMAQI
12th Aug 2026448 AMAQI
12th Aug 2026249 AMAQI
12th Aug 20263210 AMAQI
12th Aug 20262711 AMAQI
12th Aug 20262112 PMAQI
12 PM
12th Aug 2026231 PMAQI
12th Aug 2026252 PMAQI
12th Aug 2026233 PMAQI
12th Aug 2026214 PMAQI
12th Aug 2026395 PMAQI
12th Aug 2026346 PMAQI
12th Aug 2026257 PMAQI
12th Aug 2026318 PMAQI
8 PM
12th Aug 2026259 PMAQI
12th Aug 20262510 PMAQI
12th Aug 20262311 PMAQI
12 AM
4 AM

25°C19/32°C

Day time
Avg. Highest Time
3 PM

45AQI

1 hours / Day
30 hours / Month
Avg. Lowest Time
11 AM

38AQI

1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 3 PM to 3 PM (Avg. 45), while the lowest AQI was between 11 AM to 11 AM (Avg. 38).
Night time
Avg. Highest Time
1 AM - 2 AM

42AQI

2 hours / Day
60 hours / Month
Avg. Lowest Time
3 AM

37AQI

1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 1 AM to 2 AM (Avg. 42), while the lowest AQI was between 3 AM to 3 AM (Avg. 37).

2026 Days Vs Air Quality

New Haven, Connecticut, United States

2026

95%

210

5%

10

0.4%

1

Total number of days with different AQI categories in last 224 days in 2026 (141 days remaining)

Good
210 Days
Moderate
10 Days
Poor
1 Days
Unhealthy
0 Days
Severe
0 Days
Hazardous
0 Days

Under WHO’s Safe Air Quality Limits: 95%

Health Risk Level:

Very Low

In 2026, 95% of 224 days were within WHO’s safe air quality limits. The risk of health issues is Very Low, but health impacts are still unclear.

Annual Air Quality Insights

New Haven, Connecticut, United States

AQI levels in 2026

AQI (US)
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.

-1th undefined 2026
-1th undefined 2026
-1th undefined 2026
-1th undefined 2026
1st January 2026
20AQI (US)
2nd January 2026
23AQI (US)
3rd January 2026
30AQI (US)
4th January 2026
32AQI (US)
5th January 2026
24AQI (US)
6th January 2026
52AQI (US)
7th January 2026
42AQI (US)
8th January 2026
20AQI (US)
9th January 2026
38AQI (US)
10th January 2026
22AQI (US)
11th January 2026
10AQI (US)
12th January 2026
15AQI (US)
13th January 2026
36AQI (US)
14th January 2026
43AQI (US)
15th January 2026
39AQI (US)
16th January 2026
12AQI (US)
17th January 2026
36AQI (US)
18th January 2026
70AQI (US)
19th January 2026
29AQI (US)
20th January 2026
23AQI (US)
21st January 2026
32AQI (US)
22nd January 2026
36AQI (US)
23rd January 2026
36AQI (US)
24th January 2026
32AQI (US)
25th January 2026
43AQI (US)
26th January 2026
44AQI (US)
27th January 2026
30AQI (US)
28th January 2026
23AQI (US)
29th January 2026
32AQI (US)
30th January 2026
42AQI (US)
31st January 2026
26AQI (US)
1st February 2026
31AQI (US)
2nd February 2026
30AQI (US)
3rd February 2026
29AQI (US)
4th February 2026
25AQI (US)
5th February 2026
31AQI (US)
6th February 2026
36AQI (US)
7th February 2026
26AQI (US)
8th February 2026
22AQI (US)
9th February 2026
28AQI (US)
10th February 2026
29AQI (US)
11th February 2026
40AQI (US)
12th February 2026
32AQI (US)
13th February 2026
35AQI (US)
14th February 2026
40AQI (US)
15th February 2026
41AQI (US)
16th February 2026
32AQI (US)
17th February 2026
62AQI (US)
18th February 2026
54AQI (US)
19th February 2026
28AQI (US)
20th February 2026
36AQI (US)
21st February 2026
45AQI (US)
22nd February 2026
38AQI (US)
23rd February 2026
40AQI (US)
24th February 2026
38AQI (US)
25th February 2026
30AQI (US)
26th February 2026
28AQI (US)
27th February 2026
18AQI (US)
28th February 2026
24AQI (US)
1st March 2026
30AQI (US)
2nd March 2026
40AQI (US)
3rd March 2026
26AQI (US)
4th March 2026
24AQI (US)
5th March 2026
24AQI (US)
6th March 2026
30AQI (US)
7th March 2026
21AQI (US)
8th March 2026
19AQI (US)
9th March 2026
20AQI (US)
10th March 2026
23AQI (US)
11th March 2026
30AQI (US)
12th March 2026
32AQI (US)
13th March 2026
26AQI (US)
14th March 2026
20AQI (US)
15th March 2026
21AQI (US)
16th March 2026
27AQI (US)
17th March 2026
33AQI (US)
18th March 2026
24AQI (US)
19th March 2026
17AQI (US)
20th March 2026
23AQI (US)
21st March 2026
29AQI (US)
22nd March 2026
18AQI (US)
23rd March 2026
36AQI (US)
24th March 2026
35AQI (US)
25th March 2026
19AQI (US)
26th March 2026
21AQI (US)
27th March 2026
29AQI (US)
28th March 2026
17AQI (US)
29th March 2026
13AQI (US)
30th March 2026
20AQI (US)
31st March 2026
29AQI (US)
1st April 2026
29AQI (US)
2nd April 2026
28AQI (US)
3rd April 2026
23AQI (US)
4th April 2026
26AQI (US)
5th April 2026
26AQI (US)
6th April 2026
29AQI (US)
7th April 2026
22AQI (US)
8th April 2026
32AQI (US)
9th April 2026
18AQI (US)
10th April 2026
20AQI (US)
11th April 2026
24AQI (US)
12th April 2026
24AQI (US)
13th April 2026
23AQI (US)
14th April 2026
25AQI (US)
15th April 2026
21AQI (US)
16th April 2026
24AQI (US)
17th April 2026
18th April 2026
24AQI (US)
19th April 2026
34AQI (US)
20th April 2026
24AQI (US)
21st April 2026
19AQI (US)
22nd April 2026
23rd April 2026
16AQI (US)
24th April 2026
15AQI (US)
25th April 2026
12AQI (US)
26th April 2026
33AQI (US)
27th April 2026
15AQI (US)
28th April 2026
15AQI (US)
29th April 2026
18AQI (US)
30th April 2026
16AQI (US)
1st May 2026
22AQI (US)
2nd May 2026
16AQI (US)
3rd May 2026
21AQI (US)
4th May 2026
22AQI (US)
5th May 2026
30AQI (US)
6th May 2026
24AQI (US)
7th May 2026
25AQI (US)
8th May 2026
22AQI (US)
9th May 2026
10th May 2026
19AQI (US)
11th May 2026
26AQI (US)
12th May 2026
30AQI (US)
13th May 2026
20AQI (US)
14th May 2026
16AQI (US)
15th May 2026
42AQI (US)
16th May 2026
40AQI (US)
17th May 2026
51AQI (US)
18th May 2026
55AQI (US)
19th May 2026
54AQI (US)
20th May 2026
50AQI (US)
21st May 2026
38AQI (US)
22nd May 2026
36AQI (US)
23rd May 2026
38AQI (US)
24th May 2026
42AQI (US)
25th May 2026
42AQI (US)
26th May 2026
18AQI (US)
27th May 2026
17AQI (US)
28th May 2026
16AQI (US)
29th May 2026
16AQI (US)
30th May 2026
13AQI (US)
31st May 2026
15AQI (US)
1st June 2026
16AQI (US)
2nd June 2026
19AQI (US)
3rd June 2026
19AQI (US)
4th June 2026
23AQI (US)
5th June 2026
30AQI (US)
6th June 2026
34AQI (US)
7th June 2026
14AQI (US)
8th June 2026
12AQI (US)
9th June 2026
16AQI (US)
10th June 2026
20AQI (US)
11th June 2026
25AQI (US)
12th June 2026
19AQI (US)
13th June 2026
14AQI (US)
14th June 2026
18AQI (US)
15th June 2026
15AQI (US)
16th June 2026
14AQI (US)
17th June 2026
14AQI (US)
18th June 2026
20AQI (US)
19th June 2026
14AQI (US)
20th June 2026
16AQI (US)
21st June 2026
13AQI (US)
22nd June 2026
14AQI (US)
23rd June 2026
18AQI (US)
24th June 2026
12AQI (US)
25th June 2026
14AQI (US)
26th June 2026
18AQI (US)
27th June 2026
19AQI (US)
28th June 2026
18AQI (US)
29th June 2026
23AQI (US)
30th June 2026
25AQI (US)
1st July 2026
22AQI (US)
2nd July 2026
50AQI (US)
3rd July 2026
42AQI (US)
4th July 2026
18AQI (US)
5th July 2026
22AQI (US)
6th July 2026
20AQI (US)
7th July 2026
12AQI (US)
8th July 2026
17AQI (US)
9th July 2026
16AQI (US)
10th July 2026
15AQI (US)
11th July 2026
20AQI (US)
12th July 2026
21AQI (US)
13th July 2026
21AQI (US)
14th July 2026
24AQI (US)
15th July 2026
52AQI (US)
16th July 2026
72AQI (US)
17th July 2026
89AQI (US)
18th July 2026
123AQI (US)
19th July 2026
48AQI (US)
20th July 2026
32AQI (US)
21st July 2026
42AQI (US)
22nd July 2026
32AQI (US)
23rd July 2026
40AQI (US)
24th July 2026
31AQI (US)
25th July 2026
32AQI (US)
26th July 2026
35AQI (US)
27th July 2026
34AQI (US)
28th July 2026
42AQI (US)
29th July 2026
33AQI (US)
30th July 2026
25AQI (US)
31st July 2026
25AQI (US)
1st August 2026
38AQI (US)
2nd August 2026
34AQI (US)
3rd August 2026
39AQI (US)
4th August 2026
24AQI (US)
5th August 2026
27AQI (US)
6th August 2026
42AQI (US)
7th August 2026
32AQI (US)
8th August 2026
30AQI (US)
9th August 2026
40AQI (US)
10th August 2026
32AQI (US)
11th August 2026
44AQI (US)
12th August 2026
34AQI (US)
13th August 2026
14th August 2026
15th August 2026
16th August 2026
17th August 2026
18th August 2026
19th August 2026
20th August 2026
21st August 2026
22nd August 2026
23rd August 2026
24th August 2026
25th August 2026
26th August 2026
27th August 2026
28th August 2026
29th August 2026
30th August 2026
31st August 2026
1st September 2026
2nd September 2026
3rd September 2026
4th September 2026
5th September 2026
6th September 2026
7th September 2026
8th September 2026
9th September 2026
10th September 2026
11th September 2026
12th September 2026
13th September 2026
14th September 2026
15th September 2026
16th September 2026
17th September 2026
18th September 2026
19th September 2026
20th September 2026
21st September 2026
22nd September 2026
23rd September 2026
24th September 2026
25th September 2026
26th September 2026
27th September 2026
28th September 2026
29th September 2026
30th September 2026
1st October 2026
2nd October 2026
3rd October 2026
4th October 2026
5th October 2026
6th October 2026
7th October 2026
8th October 2026
9th October 2026
10th October 2026
11th October 2026
12th October 2026
13th October 2026
14th October 2026
15th October 2026
16th October 2026
17th October 2026
18th October 2026
19th October 2026
20th October 2026
21st October 2026
22nd October 2026
23rd October 2026
24th October 2026
25th October 2026
26th October 2026
27th October 2026
28th October 2026
29th October 2026
30th October 2026
31st October 2026
1st November 2026
2nd November 2026
3rd November 2026
4th November 2026
5th November 2026
6th November 2026
7th November 2026
8th November 2026
9th November 2026
10th November 2026
11th November 2026
12th November 2026
13th November 2026
14th November 2026
15th November 2026
16th November 2026
17th November 2026
18th November 2026
19th November 2026
20th November 2026
21st November 2026
22nd November 2026
23rd November 2026
24th November 2026
25th November 2026
26th November 2026
27th November 2026
28th November 2026
29th November 2026
30th November 2026
1st December 2026
2nd December 2026
3rd December 2026
4th December 2026
5th December 2026
6th December 2026
7th December 2026
8th December 2026
9th December 2026
10th December 2026
11th December 2026
12th December 2026
13th December 2026
14th December 2026
15th December 2026
16th December 2026
17th December 2026
18th December 2026
19th December 2026
20th December 2026
21st December 2026
22nd December 2026
23rd December 2026
24th December 2026
25th December 2026
26th December 2026
27th December 2026
28th December 2026
29th December 2026
30th December 2026
31st December 2026

32AQI (US)

34AQI (US)

25AQI (US)

23AQI (US)

29AQI (US)

18AQI (US)

36AQI (US)

35AQI (US)

No. of days

Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days

202628AQI (US)

29
2
26
2
31
28
27
3
30
27
3
1
12
210
10
1

Highest AQI (US) recorded in

July

36AQI (US)

Lowest AQI (US) recorded in

June

18AQI (US)

202531AQI (US)

26
5
27
1
31
29
1
30
1
19
11
23
8
21
10
29
1
29
2
28
2
27
4
319
46

Highest AQI (US) recorded in

June

43AQI (US)

Lowest AQI (US) recorded in

October

23AQI (US)

202427AQI (US)

30
29
31
30
31
30
29
2
24
7
30
28
3
30
29
2
351
14

Highest AQI (US) recorded in

August

35AQI (US)

Lowest AQI (US) recorded in

March

20AQI (US)

202333AQI (US)

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 (US) recorded in

June

54AQI (US)

Lowest AQI (US) recorded in

November

26AQI (US)

202230AQI (US)

25
6
20
1
27
4
17
30
1
30
20
3
2
30
27
4
28
2
25
6
281
27

Highest AQI (US) recorded in

January

36AQI (US)

Lowest AQI (US) recorded in

August

21AQI (US)

202132AQI (US)

23
5
24
4
30
1
28
2
30
1
28
2
21
8
2
29
2
30
31
26
4
23
6
323
35
2

Highest AQI (US) recorded in

July

44AQI (US)

Lowest AQI (US) recorded in

October

26AQI (US)

202032AQI (US)

13
20
1
17
1
28
2
29
2
29
2
28
2
31
23
7
25
6
243
23

Highest AQI (US) recorded in

November

40AQI (US)

Lowest AQI (US) recorded in

March

23AQI (US)

Most & Least Polluted Years Over the Last 7 Years

Most Polluted Year Recorded
2023(Avg.)
33AQI (US)
Least Polluted Year Recorded
2024(Avg.)
27AQI (US)

New Haven's annual 2026 AQI (US) (28) shows an average percentage change of -8.7% (improved AQI (US)) compared to previous years: 2020 (32), 2021 (32), 2022 (30), 2023 (33), 2024 (27), 2025 (31).