Litchfield, 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
Litchfield, Connecticut, United States
2021
2022
2023
2024
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
4th Aug 2025
86AQILowest AQI recorded on
20th Aug 2024
11AQISame Day Analysis (4th August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 1st highest AQI at 86 of Moderate air quality on the same day.
Download 2024 Annual Data
World Air Quality Report
Day & Night AQI Trend: 4th Aug - 5th Aug 2025
Litchfield, Connecticut, United States
AQI
Day
Night
.
5 AM4th Aug 2025
8 PM
4 AM5th Aug 2025
Day time
Avg. Highest Time
3PM4th Aug
112AQI
Avg. Lowest Time
5AM4th Aug
78AQI
Night time
Avg. Highest Time
1AM5th Aug
120AQI
Avg. Lowest Time
10PM4th Aug
104AQI
In the last 24 hours,
Litchfield's AQI reached its highest point of 120 at 1 AM during the Night, while the lowest point, undefined, was recorded at 4 AM during the Night between 4th Aug and 5th Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Litchfield, Connecticut, United States
JulAug
06th - 07th07th - 08th08th - 09th09th - 10th10th - 11th11th - 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
Day
Night
6th Jul 2025585 AMAQI
6th Jul 2025586 AMAQI
6th Jul 2025587 AMAQI
6th Jul 2025588 AMAQI
6th Jul 2025589 AMAQI
6th Jul 20255810 AMAQI
6th Jul 20255911 AMAQI
6th Jul 20255912 PMAQI
6th Jul 2025601 PMAQI
6th Jul 2025602 PMAQI
6th Jul 2025603 PMAQI
6th Jul 2025604 PMAQI
6th Jul 2025605 PMAQI
6th Jul 2025606 PMAQI
6th Jul 2025587 PMAQI
6th Jul 2025588 PMAQI
6th Jul 2025589 PMAQI
6th Jul 20255610 PMAQI
6th Jul 20255811 PMAQI
7th Jul 20255612 AMAQI
7th Jul 2025541 AMAQI
7th Jul 2025542 AMAQI
7th Jul 2025523 AMAQI
7th Jul 2025484 AMAQI
25°C19/33°C
7th Jul 2025475 AMAQI
7th Jul 2025416 AMAQI
7th Jul 2025417 AMAQI
7th Jul 2025448 AMAQI
7th Jul 2025469 AMAQI
7th Jul 20254410 AMAQI
7th Jul 20254111 AMAQI
7th Jul 20254112 PMAQI
7th Jul 2025401 PMAQI
7th Jul 2025432 PMAQI
7th Jul 2025463 PMAQI
7th Jul 2025464 PMAQI
7th Jul 2025455 PMAQI
7th Jul 2025466 PMAQI
7th Jul 2025477 PMAQI
7th Jul 2025448 PMAQI
7th Jul 2025429 PMAQI
7th Jul 20254110 PMAQI
7th Jul 20254211 PMAQI
8th Jul 20254212 AMAQI
8th Jul 2025331 AMAQI
8th Jul 2025302 AMAQI
8th Jul 2025303 AMAQI
8th Jul 2025244 AMAQI
24°C21/29°C
8th Jul 2025235 AMAQI
8th Jul 2025226 AMAQI
8th Jul 2025247 AMAQI
8th Jul 2025328 AMAQI
8th Jul 2025349 AMAQI
8th Jul 20253210 AMAQI
8th Jul 20253211 AMAQI
8th Jul 20253012 PMAQI
8th Jul 2025281 PMAQI
8th Jul 2025302 PMAQI
8th Jul 2025303 PMAQI
8th Jul 2025304 PMAQI
8th Jul 2025325 PMAQI
8th Jul 2025306 PMAQI
8th Jul 2025327 PMAQI
8th Jul 2025328 PMAQI
8th Jul 2025309 PMAQI
8th Jul 20253310 PMAQI
8th Jul 20253211 PMAQI
9th Jul 20253012 AMAQI
9th Jul 2025241 AMAQI
9th Jul 2025232 AMAQI
9th Jul 2025203 AMAQI
9th Jul 2025194 AMAQI
25°C22/30°C
9th Jul 2025195 AMAQI
9th Jul 2025226 AMAQI
9th Jul 2025227 AMAQI
9th Jul 2025208 AMAQI
9th Jul 2025209 AMAQI
9th Jul 20252210 AMAQI
9th Jul 20252311 AMAQI
9th Jul 20252612 PMAQI
9th Jul 2025251 PMAQI
9th Jul 2025262 PMAQI
9th Jul 2025283 PMAQI
9th Jul 2025264 PMAQI
9th Jul 2025275 PMAQI
9th Jul 2025286 PMAQI
9th Jul 2025257 PMAQI
9th Jul 2025288 PMAQI
9th Jul 2025289 PMAQI
9th Jul 20252810 PMAQI
9th Jul 20253011 PMAQI
10th Jul 20253012 AMAQI
10th Jul 2025301 AMAQI
10th Jul 2025302 AMAQI
10th Jul 2025263 AMAQI
10th Jul 2025264 AMAQI
25°C21/29°C
10th Jul 2025285 AMAQI
10th Jul 2025276 AMAQI
10th Jul 2025297 AMAQI
10th Jul 2025308 AMAQI
10th Jul 2025309 AMAQI
10th Jul 20253010 AMAQI
10th Jul 20252811 AMAQI
10th Jul 20252812 PMAQI
10th Jul 2025271 PMAQI
10th Jul 2025312 PMAQI
10th Jul 2025333 PMAQI
10th Jul 2025334 PMAQI
10th Jul 2025335 PMAQI
10th Jul 2025346 PMAQI
10th Jul 2025327 PMAQI
10th Jul 2025308 PMAQI
10th Jul 2025349 PMAQI
10th Jul 20253510 PMAQI
10th Jul 20253611 PMAQI
11th Jul 20253312 AMAQI
11th Jul 2025321 AMAQI
11th Jul 2025342 AMAQI
11th Jul 2025323 AMAQI
11th Jul 2025294 AMAQI
24°C21/28°C
11th Jul 2025325 AMAQI
11th Jul 2025326 AMAQI
11th Jul 2025337 AMAQI
11th Jul 2025348 AMAQI
11th Jul 2025409 AMAQI
11th Jul 20254610 AMAQI
11th Jul 20254711 AMAQI
11th Jul 20254612 PMAQI
11th Jul 2025451 PMAQI
11th Jul 2025462 PMAQI
11th Jul 2025453 PMAQI
11th Jul 2025464 PMAQI
11th Jul 2025445 PMAQI
11th Jul 2025466 PMAQI
11th Jul 2025387 PMAQI
11th Jul 2025408 PMAQI
11th Jul 2025449 PMAQI
11th Jul 20254310 PMAQI
11th Jul 20254311 PMAQI
12th Jul 20253912 AMAQI
12th Jul 2025341 AMAQI
12th Jul 2025362 AMAQI
12th Jul 2025393 AMAQI
12th Jul 2025364 AMAQI
23°C20/28°C
12th Jul 2025355 AMAQI
12th Jul 2025376 AMAQI
12th Jul 2025387 AMAQI
12th Jul 2025398 AMAQI
12th Jul 2025439 AMAQI
12th Jul 20254010 AMAQI
12th Jul 20254311 AMAQI
12th Jul 20254212 PMAQI
12th Jul 2025441 PMAQI
12th Jul 2025442 PMAQI
12th Jul 2025433 PMAQI
12th Jul 2025424 PMAQI
12th Jul 2025425 PMAQI
12th Jul 2025396 PMAQI
12th Jul 2025397 PMAQI
12th Jul 2025408 PMAQI
12th Jul 2025369 PMAQI
12th Jul 20253610 PMAQI
12th Jul 20253811 PMAQI
13th Jul 20253812 AMAQI
13th Jul 2025311 AMAQI
13th Jul 2025252 AMAQI
13th Jul 2025203 AMAQI
13th Jul 2025174 AMAQI
22°C19/26°C
13th Jul 2025185 AMAQI
13th Jul 2025186 AMAQI
13th Jul 2025197 AMAQI
13th Jul 2025198 AMAQI
13th Jul 2025249 AMAQI
13th Jul 20252210 AMAQI
13th Jul 20252011 AMAQI
13th Jul 20252112 PMAQI
13th Jul 2025211 PMAQI
13th Jul 2025242 PMAQI
13th Jul 2025273 PMAQI
13th Jul 2025324 PMAQI
13th Jul 2025245 PMAQI
13th Jul 2025266 PMAQI
13th Jul 2025247 PMAQI
13th Jul 2025268 PMAQI
13th Jul 2025279 PMAQI
13th Jul 20252810 PMAQI
13th Jul 20252611 PMAQI
14th Jul 20252612 AMAQI
14th Jul 2025251 AMAQI
14th Jul 2025212 AMAQI
14th Jul 2025203 AMAQI
14th Jul 2025194 AMAQI
22°C19/27°C
14th Jul 2025185 AMAQI
14th Jul 2025196 AMAQI
14th Jul 2025187 AMAQI
14th Jul 2025208 AMAQI
14th Jul 2025229 AMAQI
14th Jul 20252410 AMAQI
14th Jul 20252511 AMAQI
14th Jul 20252412 PMAQI
14th Jul 2025241 PMAQI
14th Jul 2025262 PMAQI
14th Jul 2025263 PMAQI
14th Jul 2025284 PMAQI
14th Jul 2025285 PMAQI
14th Jul 2025276 PMAQI
14th Jul 2025257 PMAQI
14th Jul 2025248 PMAQI
14th Jul 2025249 PMAQI
14th Jul 20252310 PMAQI
14th Jul 20252411 PMAQI
15th Jul 20252412 AMAQI
15th Jul 2025241 AMAQI
15th Jul 2025222 AMAQI
15th Jul 2025193 AMAQI
15th Jul 2025184 AMAQI
22°C19/24°C
15th Jul 2025165 AMAQI
15th Jul 2025186 AMAQI
15th Jul 2025207 AMAQI
15th Jul 2025208 AMAQI
15th Jul 2025229 AMAQI
15th Jul 20252210 AMAQI
15th Jul 20253211 AMAQI
15th Jul 20254412 PMAQI
15th Jul 2025461 PMAQI
15th Jul 2025432 PMAQI
15th Jul 2025403 PMAQI
15th Jul 2025394 PMAQI
15th Jul 2025365 PMAQI
15th Jul 2025346 PMAQI
15th Jul 2025297 PMAQI
15th Jul 2025308 PMAQI
15th Jul 2025369 PMAQI
15th Jul 20253410 PMAQI
15th Jul 20253311 PMAQI
16th Jul 20253312 AMAQI
16th Jul 2025321 AMAQI
16th Jul 2025412 AMAQI
16th Jul 2025413 AMAQI
16th Jul 2025384 AMAQI
25°C20/30°C
16th Jul 2025385 AMAQI
16th Jul 2025366 AMAQI
16th Jul 2025397 AMAQI
16th Jul 2025408 AMAQI
16th Jul 2025419 AMAQI
16th Jul 20253810 AMAQI
16th Jul 20253811 AMAQI
16th Jul 20254412 PMAQI
16th Jul 2025381 PMAQI
16th Jul 2025382 PMAQI
16th Jul 2025403 PMAQI
16th Jul 2025414 PMAQI
16th Jul 2025425 PMAQI
16th Jul 2025426 PMAQI
16th Jul 2025467 PMAQI
16th Jul 2025448 PMAQI
16th Jul 2025469 PMAQI
16th Jul 20254510 PMAQI
16th Jul 20254211 PMAQI
17th Jul 20254112 AMAQI
17th Jul 2025351 AMAQI
17th Jul 2025332 AMAQI
17th Jul 2025303 AMAQI
17th Jul 2025314 AMAQI
26°C19/33°C
17th Jul 2025295 AMAQI
17th Jul 2025286 AMAQI
17th Jul 2025357 AMAQI
17th Jul 2025378 AMAQI
17th Jul 2025369 AMAQI
17th Jul 20253510 AMAQI
17th Jul 20253111 AMAQI
17th Jul 20252912 PMAQI
17th Jul 2025281 PMAQI
17th Jul 2025292 PMAQI
17th Jul 2025323 PMAQI
17th Jul 2025324 PMAQI
17th Jul 2025345 PMAQI
17th Jul 2025356 PMAQI
17th Jul 2025347 PMAQI
17th Jul 2025348 PMAQI
17th Jul 2025349 PMAQI
17th Jul 20253310 PMAQI
17th Jul 20252911 PMAQI
18th Jul 20252712 AMAQI
18th Jul 2025191 AMAQI
18th Jul 2025192 AMAQI
18th Jul 2025203 AMAQI
18th Jul 2025184 AMAQI
26°C23/32°C
18th Jul 2025165 AMAQI
18th Jul 2025166 AMAQI
18th Jul 2025167 AMAQI
18th Jul 2025138 AMAQI
18th Jul 2025139 AMAQI
18th Jul 20251210 AMAQI
18th Jul 20251211 AMAQI
18th Jul 20251412 PMAQI
18th Jul 2025141 PMAQI
18th Jul 2025162 PMAQI
18th Jul 2025163 PMAQI
18th Jul 2025174 PMAQI
18th Jul 2025165 PMAQI
18th Jul 2025166 PMAQI
18th Jul 2025157 PMAQI
18th Jul 2025178 PMAQI
18th Jul 2025189 PMAQI
18th Jul 20251810 PMAQI
18th Jul 20252011 PMAQI
19th Jul 20251912 AMAQI
19th Jul 2025191 AMAQI
19th Jul 2025182 AMAQI
19th Jul 2025173 AMAQI
19th Jul 2025174 AMAQI
22°C19/27°C
19th Jul 2025175 AMAQI
19th Jul 2025176 AMAQI
19th Jul 2025197 AMAQI
19th Jul 2025188 AMAQI
19th Jul 2025189 AMAQI
19th Jul 20251910 AMAQI
19th Jul 20251811 AMAQI
19th Jul 20251912 PMAQI
19th Jul 2025191 PMAQI
19th Jul 2025182 PMAQI
19th Jul 2025203 PMAQI
19th Jul 2025204 PMAQI
19th Jul 2025205 PMAQI
19th Jul 2025206 PMAQI
19th Jul 2025207 PMAQI
19th Jul 2025208 PMAQI
19th Jul 2025229 PMAQI
19th Jul 20252210 PMAQI
19th Jul 20252111 PMAQI
20th Jul 20252112 AMAQI
20th Jul 2025201 AMAQI
20th Jul 2025192 AMAQI
20th Jul 2025203 AMAQI
20th Jul 2025204 AMAQI
22°C14/28°C
20th Jul 2025205 AMAQI
20th Jul 2025236 AMAQI
20th Jul 2025227 AMAQI
20th Jul 2025248 AMAQI
20th Jul 2025299 AMAQI
20th Jul 20253010 AMAQI
20th Jul 20253211 AMAQI
20th Jul 20252912 PMAQI
20th Jul 2025311 PMAQI
20th Jul 2025322 PMAQI
20th Jul 2025313 PMAQI
20th Jul 2025304 PMAQI
20th Jul 2025315 PMAQI
20th Jul 2025326 PMAQI
20th Jul 2025267 PMAQI
20th Jul 2025268 PMAQI
20th Jul 2025329 PMAQI
20th Jul 20253110 PMAQI
20th Jul 20252811 PMAQI
21st Jul 20252512 AMAQI
21st Jul 2025231 AMAQI
21st Jul 2025222 AMAQI
21st Jul 2025203 AMAQI
21st Jul 2025224 AMAQI
25°C20/32°C
21st Jul 2025245 AMAQI
21st Jul 2025256 AMAQI
21st Jul 2025267 AMAQI
21st Jul 2025278 AMAQI
21st Jul 2025329 AMAQI
21st Jul 20254310 AMAQI
21st Jul 20255311 AMAQI
21st Jul 20255912 PMAQI
21st Jul 2025611 PMAQI
21st Jul 2025572 PMAQI
21st Jul 2025543 PMAQI
21st Jul 2025534 PMAQI
21st Jul 2025535 PMAQI
21st Jul 2025526 PMAQI
21st Jul 2025387 PMAQI
21st Jul 2025348 PMAQI
21st Jul 2025339 PMAQI
21st Jul 20253210 PMAQI
21st Jul 20253111 PMAQI
22nd Jul 20253012 AMAQI
22nd Jul 2025221 AMAQI
22nd Jul 2025212 AMAQI
22nd Jul 2025193 AMAQI
22nd Jul 2025164 AMAQI
22°C18/27°C
22nd Jul 2025185 AMAQI
22nd Jul 2025176 AMAQI
22nd Jul 2025177 AMAQI
22nd Jul 2025178 AMAQI
22nd Jul 2025189 AMAQI
22nd Jul 20251810 AMAQI
22nd Jul 20251811 AMAQI
22nd Jul 20251812 PMAQI
22nd Jul 2025201 PMAQI
22nd Jul 2025202 PMAQI
22nd Jul 2025203 PMAQI
22nd Jul 2025194 PMAQI
22nd Jul 2025185 PMAQI
22nd Jul 2025186 PMAQI
22nd Jul 2025197 PMAQI
22nd Jul 2025208 PMAQI
22nd Jul 2025199 PMAQI
22nd Jul 20251910 PMAQI
22nd Jul 20252111 PMAQI
23rd Jul 20252112 AMAQI
23rd Jul 2025221 AMAQI
23rd Jul 2025222 AMAQI
23rd Jul 2025243 AMAQI
23rd Jul 2025254 AMAQI
19°C14/24°C
23rd Jul 2025265 AMAQI
23rd Jul 2025276 AMAQI
23rd Jul 2025267 AMAQI
23rd Jul 2025248 AMAQI
23rd Jul 2025279 AMAQI
23rd Jul 20252710 AMAQI
23rd Jul 20252911 AMAQI
23rd Jul 20252912 PMAQI
23rd Jul 2025281 PMAQI
23rd Jul 2025282 PMAQI
23rd Jul 2025283 PMAQI
23rd Jul 2025304 PMAQI
23rd Jul 2025315 PMAQI
23rd Jul 2025306 PMAQI
23rd Jul 2025287 PMAQI
23rd Jul 2025298 PMAQI
23rd Jul 2025329 PMAQI
23rd Jul 20253110 PMAQI
23rd Jul 20253011 PMAQI
24th Jul 20252812 AMAQI
24th Jul 2025241 AMAQI
24th Jul 2025252 AMAQI
24th Jul 2025243 AMAQI
24th Jul 2025224 AMAQI
21°C16/25°C
24th Jul 2025225 AMAQI
24th Jul 2025246 AMAQI
24th Jul 2025247 AMAQI
24th Jul 2025248 AMAQI
24th Jul 2025299 AMAQI
24th Jul 20253310 AMAQI
24th Jul 20253611 AMAQI
24th Jul 20253812 PMAQI
24th Jul 2025411 PMAQI
24th Jul 2025422 PMAQI
24th Jul 2025413 PMAQI
24th Jul 2025424 PMAQI
24th Jul 2025425 PMAQI
24th Jul 2025426 PMAQI
24th Jul 2025357 PMAQI
24th Jul 2025358 PMAQI
24th Jul 2025429 PMAQI
24th Jul 20254210 PMAQI
24th Jul 20254211 PMAQI
25th Jul 20253912 AMAQI
25th Jul 2025451 AMAQI
25th Jul 2025522 AMAQI
25th Jul 2025543 AMAQI
25th Jul 2025544 AMAQI
24°C18/31°C
25th Jul 2025535 AMAQI
25th Jul 2025546 AMAQI
25th Jul 2025537 AMAQI
25th Jul 2025538 AMAQI
25th Jul 2025539 AMAQI
25th Jul 20255210 AMAQI
25th Jul 20255311 AMAQI
25th Jul 20255312 PMAQI
25th Jul 2025531 PMAQI
25th Jul 2025542 PMAQI
25th Jul 2025513 PMAQI
25th Jul 2025504 PMAQI
25th Jul 2025485 PMAQI
25th Jul 2025486 PMAQI
25th Jul 2025517 PMAQI
25th Jul 2025518 PMAQI
25th Jul 2025469 PMAQI
25th Jul 20254310 PMAQI
25th Jul 20254311 PMAQI
26th Jul 20254312 AMAQI
26th Jul 2025341 AMAQI
26th Jul 2025362 AMAQI
26th Jul 2025503 AMAQI
26th Jul 2025544 AMAQI
26°C22/35°C
26th Jul 2025575 AMAQI
26th Jul 2025606 AMAQI
26th Jul 2025687 AMAQI
26th Jul 20251048 AMAQI
26th Jul 20251189 AMAQI
26th Jul 202510310 AMAQI
26th Jul 202511411 AMAQI
26th Jul 202510712 PMAQI
26th Jul 20251071 PMAQI
26th Jul 20251092 PMAQI
26th Jul 20251063 PMAQI
26th Jul 2025974 PMAQI
26th Jul 20251025 PMAQI
26th Jul 2025996 PMAQI
26th Jul 2025997 PMAQI
26th Jul 2025958 PMAQI
26th Jul 2025929 PMAQI
26th Jul 20258710 PMAQI
26th Jul 20259211 PMAQI
27th Jul 20259012 AMAQI
27th Jul 20251121 AMAQI
27th Jul 20251132 AMAQI
27th Jul 20251273 AMAQI
27th Jul 20251034 AMAQI
24°C18/29°C
27th Jul 2025955 AMAQI
27th Jul 2025966 AMAQI
27th Jul 20251047 AMAQI
27th Jul 20251068 AMAQI
27th Jul 2025969 AMAQI
27th Jul 20259510 AMAQI
27th Jul 20259811 AMAQI
27th Jul 20259012 PMAQI
27th Jul 2025901 PMAQI
27th Jul 2025952 PMAQI
27th Jul 2025903 PMAQI
27th Jul 2025874 PMAQI
27th Jul 2025925 PMAQI
27th Jul 2025906 PMAQI
27th Jul 2025967 PMAQI
27th Jul 2025908 PMAQI
27th Jul 2025829 PMAQI
27th Jul 20258110 PMAQI
27th Jul 20257811 PMAQI
28th Jul 20258012 AMAQI
28th Jul 2025631 AMAQI
28th Jul 2025582 AMAQI
28th Jul 2025573 AMAQI
28th Jul 2025534 AMAQI
21°C18/24°C
28th Jul 2025525 AMAQI
28th Jul 2025516 AMAQI
28th Jul 2025527 AMAQI
28th Jul 2025528 AMAQI
28th Jul 2025529 AMAQI
28th Jul 20255210 AMAQI
28th Jul 20255311 AMAQI
28th Jul 20255312 PMAQI
28th Jul 2025521 PMAQI
28th Jul 2025542 PMAQI
28th Jul 2025543 PMAQI
28th Jul 2025544 PMAQI
28th Jul 2025545 PMAQI
28th Jul 2025566 PMAQI
28th Jul 2025557 PMAQI
28th Jul 2025568 PMAQI
28th Jul 2025569 PMAQI
28th Jul 20255610 PMAQI
28th Jul 20255611 PMAQI
29th Jul 20255612 AMAQI
29th Jul 2025581 AMAQI
29th Jul 2025592 AMAQI
29th Jul 2025633 AMAQI
29th Jul 2025584 AMAQI
26°C21/33°C
29th Jul 2025585 AMAQI
29th Jul 2025596 AMAQI
29th Jul 2025587 AMAQI
29th Jul 2025578 AMAQI
29th Jul 2025579 AMAQI
29th Jul 20255610 AMAQI
29th Jul 20255611 AMAQI
29th Jul 20255412 PMAQI
29th Jul 2025531 PMAQI
29th Jul 2025542 PMAQI
29th Jul 2025553 PMAQI
29th Jul 2025544 PMAQI
29th Jul 2025545 PMAQI
29th Jul 2025546 PMAQI
29th Jul 2025567 PMAQI
29th Jul 2025578 PMAQI
29th Jul 2025549 PMAQI
29th Jul 20255410 PMAQI
29th Jul 20255411 PMAQI
30th Jul 20255312 AMAQI
30th Jul 2025441 AMAQI
30th Jul 2025412 AMAQI
30th Jul 2025403 AMAQI
30th Jul 2025424 AMAQI
28°C21/35°C
30th Jul 2025445 AMAQI
30th Jul 2025436 AMAQI
30th Jul 2025437 AMAQI
30th Jul 2025428 AMAQI
30th Jul 2025429 AMAQI
30th Jul 20253910 AMAQI
30th Jul 20253911 AMAQI
30th Jul 20254012 PMAQI
30th Jul 2025431 PMAQI
30th Jul 2025462 PMAQI
30th Jul 2025473 PMAQI
30th Jul 2025474 PMAQI
30th Jul 2025475 PMAQI
30th Jul 2025476 PMAQI
30th Jul 2025477 PMAQI
30th Jul 2025478 PMAQI
30th Jul 2025469 PMAQI
30th Jul 20254610 PMAQI
30th Jul 20254511 PMAQI
31st Jul 20254712 AMAQI
31st Jul 2025461 AMAQI
31st Jul 2025502 AMAQI
31st Jul 2025523 AMAQI
31st Jul 2025534 AMAQI
27°C20/35°C
31st Jul 2025555 AMAQI
31st Jul 2025566 AMAQI
31st Jul 2025637 AMAQI
31st Jul 2025658 AMAQI
31st Jul 2025709 AMAQI
31st Jul 20257310 AMAQI
31st Jul 20257311 AMAQI
31st Jul 20257412 PMAQI
31st Jul 2025781 PMAQI
31st Jul 2025802 PMAQI
31st Jul 2025763 PMAQI
31st Jul 2025704 PMAQI
31st Jul 2025655 PMAQI
31st Jul 2025626 PMAQI
31st Jul 2025617 PMAQI
31st Jul 2025548 PMAQI
31st Jul 2025449 PMAQI
31st Jul 20254810 PMAQI
31st Jul 20255111 PMAQI
1st Aug 20255512 AMAQI
1st Aug 2025511 AMAQI
1st Aug 2025562 AMAQI
1st Aug 2025573 AMAQI
1st Aug 2025574 AMAQI
22°C16/26°C
1st Aug 2025555 AMAQI
1st Aug 2025566 AMAQI
1st Aug 2025587 AMAQI
1st Aug 2025588 AMAQI
1st Aug 2025569 AMAQI
1st Aug 20255710 AMAQI
1st Aug 20255811 AMAQI
1st Aug 20255912 PMAQI
1st Aug 2025581 PMAQI
1st Aug 2025592 PMAQI
1st Aug 2025603 PMAQI
1st Aug 2025584 PMAQI
1st Aug 2025575 PMAQI
1st Aug 2025586 PMAQI
1st Aug 2025597 PMAQI
1st Aug 2025568 PMAQI
1st Aug 2025539 PMAQI
1st Aug 20255310 PMAQI
1st Aug 20255111 PMAQI
2nd Aug 20254612 AMAQI
2nd Aug 2025461 AMAQI
2nd Aug 2025442 AMAQI
2nd Aug 2025403 AMAQI
2nd Aug 2025364 AMAQI
19°C15/23°C
2nd Aug 2025325 AMAQI
2nd Aug 2025306 AMAQI
2nd Aug 2025287 AMAQI
2nd Aug 2025278 AMAQI
2nd Aug 2025259 AMAQI
2nd Aug 20252410 AMAQI
2nd Aug 20252411 AMAQI
2nd Aug 20252412 PMAQI
2nd Aug 2025271 PMAQI
2nd Aug 2025312 PMAQI
2nd Aug 2025303 PMAQI
2nd Aug 2025294 PMAQI
2nd Aug 2025415 PMAQI
2nd Aug 2025466 PMAQI
2nd Aug 2025337 PMAQI
2nd Aug 2025328 PMAQI
2nd Aug 2025429 PMAQI
2nd Aug 20254610 PMAQI
2nd Aug 20255211 PMAQI
3rd Aug 20255412 AMAQI
3rd Aug 2025561 AMAQI
3rd Aug 2025542 AMAQI
3rd Aug 2025543 AMAQI
3rd Aug 2025564 AMAQI
19°C11/25°C
3rd Aug 2025565 AMAQI
3rd Aug 2025586 AMAQI
3rd Aug 2025647 AMAQI
3rd Aug 2025708 AMAQI
3rd Aug 2025739 AMAQI
3rd Aug 20257410 AMAQI
3rd Aug 20257511 AMAQI
3rd Aug 20257612 PMAQI
3rd Aug 2025781 PMAQI
3rd Aug 2025852 PMAQI
3rd Aug 2025853 PMAQI
3rd Aug 2025804 PMAQI
3rd Aug 2025845 PMAQI
3rd Aug 2025856 PMAQI
3rd Aug 2025667 PMAQI
3rd Aug 2025788 PMAQI
3rd Aug 2025839 PMAQI
3rd Aug 20258110 PMAQI
3rd Aug 20258411 PMAQI
4th Aug 20257812 AMAQI
4th Aug 2025781 AMAQI
4th Aug 2025862 AMAQI
4th Aug 2025783 AMAQI
4th Aug 2025784 AMAQI
21°C12/30°C
4th Aug 2025785 AMAQI
4th Aug 2025796 AMAQI
4th Aug 2025817 AMAQI
4th Aug 2025858 AMAQI
4th Aug 2025879 AMAQI
4th Aug 20258810 AMAQI
4th Aug 202510011 AMAQI
4th Aug 20259912 PMAQI
4th Aug 20251041 PMAQI
4th Aug 20251072 PMAQI
4th Aug 20251123 PMAQI
4th Aug 20251124 PMAQI
4th Aug 20251095 PMAQI
4th Aug 20251056 PMAQI
4th Aug 2025867 PMAQI
4th Aug 2025938 PMAQI
4th Aug 20251059 PMAQI
4th Aug 202510410 PMAQI
4th Aug 202510811 PMAQI
5th Aug 202511312 AMAQI
5th Aug 20251201 AMAQI
5th Aug 20251122 AMAQI
5th Aug 20251153 AMAQI
23°C12/31°C
5 AM
12 PM
8 PM
12 AM
4 AM
--°C/°C
Day time
Avg. Highest Time
5 AM - 6 PM
44AQI
14 hours / Day
420 hours / Month
Avg. Lowest Time
5 AM - 6 AM
38AQI
2 hours / Day
60 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 5 AM to 6 PM (Avg. 44), while the lowest AQI was between 5 AM to 6 AM (Avg. 38).
Night time
Avg. Highest Time
9 PM - 11 PM
45AQI
3 hours / Day
90 hours / Month
Avg. Lowest Time
4 AM
38AQI
1 hours / Day
30 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 4 AM to 4 AM (Avg. 38).
2025 Days Vs Air Quality
Litchfield, Connecticut, United States
2025
91%
197
9%
19
Total number of days with different AQI categories in last 217 days in 2025 (148 days remaining)
Good
197 DaysModerate
19 DaysPoor
0 DaysUnhealthy
0 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 91%
Health Risk Level:
Very Low
In 2025, 91% of 217 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
Litchfield, 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
20AQI
20AQI
2nd January 2025
20AQI
20AQI
3rd January 2025
19AQI
19AQI
4th January 2025
19AQI
19AQI
5th January 2025
20AQI
20AQI
6th January 2025
19AQI
19AQI
7th January 2025
18AQI
18AQI
8th January 2025
19AQI
19AQI
9th January 2025
19AQI
19AQI
10th January 2025
20AQI
20AQI
11th January 2025
20AQI
20AQI
12th January 2025
27AQI
27AQI
13th January 2025
38AQI
38AQI
14th January 2025
22AQI
22AQI
15th January 2025
20AQI
20AQI
16th January 2025
28AQI
28AQI
17th January 2025
44AQI
44AQI
18th January 2025
34AQI
34AQI
19th January 2025
24AQI
24AQI
20th January 2025
21AQI
21AQI
21st January 2025
26AQI
26AQI
22nd January 2025
32AQI
32AQI
23rd January 2025
41AQI
41AQI
24th January 2025
40AQI
40AQI
25th January 2025
32AQI
32AQI
26th January 2025
39AQI
39AQI
27th January 2025
22AQI
22AQI
28th January 2025
22AQI
22AQI
29th January 2025
24AQI
24AQI
30th January 2025
21AQI
21AQI
31st January 2025
30AQI
30AQI
1st February 2025
19AQI
19AQI
2nd February 2025
21AQI
21AQI
3rd February 2025
37AQI
37AQI
4th February 2025
22AQI
22AQI
5th February 2025
20AQI
20AQI
6th February 2025
22AQI
22AQI
7th February 2025
23AQI
23AQI
8th February 2025
22AQI
22AQI
9th February 2025
21AQI
21AQI
10th February 2025
22AQI
22AQI
11th February 2025
29AQI
29AQI
12th February 2025
35AQI
35AQI
13th February 2025
22AQI
22AQI
14th February 2025
23AQI
23AQI
15th February 2025
23AQI
23AQI
16th February 2025
19AQI
19AQI
17th February 2025
22AQI
22AQI
18th February 2025
21AQI
21AQI
19th February 2025
21AQI
21AQI
20th February 2025
19AQI
19AQI
21st February 2025
20AQI
20AQI
22nd February 2025
25AQI
25AQI
23rd February 2025
45AQI
45AQI
24th February 2025
47AQI
47AQI
25th February 2025
33AQI
33AQI
26th February 2025
25AQI
25AQI
27th February 2025
26AQI
26AQI
28th February 2025
21AQI
21AQI
1st March 2025
22AQI
22AQI
2nd March 2025
21AQI
21AQI
3rd March 2025
22AQI
22AQI
4th March 2025
32AQI
32AQI
5th March 2025
24AQI
24AQI
6th March 2025
19AQI
19AQI
7th March 2025
23AQI
23AQI
8th March 2025
23AQI
23AQI
9th March 2025
23AQI
23AQI
10th March 2025
25AQI
25AQI
11th March 2025
27AQI
27AQI
12th March 2025
22AQI
22AQI
13th March 2025
20AQI
20AQI
14th March 2025
24AQI
24AQI
15th March 2025
24AQI
24AQI
16th March 2025
20AQI
20AQI
17th March 2025
14AQI
14AQI
18th March 2025
16AQI
16AQI
19th March 2025
18AQI
18AQI
20th March 2025
15AQI
15AQI
21st March 2025
14AQI
14AQI
22nd March 2025
17AQI
17AQI
23rd March 2025
16AQI
16AQI
24th March 2025
20AQI
20AQI
25th March 2025
23AQI
23AQI
26th March 2025
19AQI
19AQI
27th March 2025
17AQI
17AQI
28th March 2025
22AQI
22AQI
29th March 2025
41AQI
41AQI
30th March 2025
19AQI
19AQI
31st March 2025
27AQI
27AQI
1st April 2025
17AQI
17AQI
2nd April 2025
18AQI
18AQI
3rd April 2025
18AQI
18AQI
4th April 2025
18AQI
18AQI
5th April 2025
14AQI
14AQI
6th April 2025
12AQI
12AQI
7th April 2025
16AQI
16AQI
8th April 2025
12AQI
12AQI
9th April 2025
15AQI
15AQI
10th April 2025
22AQI
22AQI
11th April 2025
19AQI
19AQI
12th April 2025
14AQI
14AQI
13th April 2025
15AQI
15AQI
14th April 2025
18AQI
18AQI
15th April 2025
26AQI
26AQI
16th April 2025
9AQI
9AQI
17th April 2025
13AQI
13AQI
18th April 2025
18AQI
18AQI
19th April 2025
49AQI
49AQI
20th April 2025
13AQI
13AQI
21st April 2025
15AQI
15AQI
22nd April 2025
19AQI
19AQI
23rd April 2025
21AQI
21AQI
24th April 2025
29AQI
29AQI
25th April 2025
45AQI
45AQI
26th April 2025
21AQI
21AQI
27th April 2025
10AQI
10AQI
28th April 2025
15AQI
15AQI
29th April 2025
22AQI
22AQI
30th April 2025
16AQI
16AQI
1st May 2025
16AQI
16AQI
2nd May 2025
29AQI
29AQI
3rd May 2025
29AQI
29AQI
4th May 2025
28AQI
28AQI
5th May 2025
16AQI
16AQI
6th May 2025
16AQI
16AQI
7th May 2025
27AQI
27AQI
8th May 2025
21AQI
21AQI
9th May 2025
16AQI
16AQI
10th May 2025
16AQI
16AQI
11th May 2025
20AQI
20AQI
12th May 2025
22AQI
22AQI
13th May 2025
34AQI
34AQI
14th May 2025
29AQI
29AQI
15th May 2025
25AQI
25AQI
16th May 2025
39AQI
39AQI
17th May 2025
34AQI
34AQI
18th May 2025
19AQI
19AQI
19th May 2025
13AQI
13AQI
20th May 2025
13AQI
13AQI
21st May 2025
17AQI
17AQI
22nd May 2025
13AQI
13AQI
23rd May 2025
12AQI
12AQI
24th May 2025
12AQI
12AQI
25th May 2025
13AQI
13AQI
26th May 2025
17AQI
17AQI
27th May 2025
19AQI
19AQI
28th May 2025
25AQI
25AQI
29th May 2025
16AQI
16AQI
30th May 2025
35AQI
35AQI
31st May 2025
16AQI
16AQI
1st June 2025
13AQI
13AQI
2nd June 2025
16AQI
16AQI
3rd June 2025
23AQI
23AQI
4th June 2025
44AQI
44AQI
5th June 2025
67AQI
67AQI
6th June 2025
59AQI
59AQI
7th June 2025
50AQI
50AQI
8th June 2025
76AQI
76AQI
9th June 2025
69AQI
69AQI
10th June 2025
24AQI
24AQI
11th June 2025
58AQI
58AQI
12th June 2025
69AQI
69AQI
13th June 2025
62AQI
62AQI
14th June 2025
61AQI
61AQI
15th June 2025
49AQI
49AQI
16th June 2025
39AQI
39AQI
17th June 2025
23AQI
23AQI
18th June 2025
17AQI
17AQI
19th June 2025
21AQI
21AQI
20th June 2025
28AQI
28AQI
21st June 2025
46AQI
46AQI
22nd June 2025
47AQI
47AQI
23rd June 2025
54AQI
54AQI
24th June 2025
53AQI
53AQI
25th June 2025
49AQI
49AQI
26th June 2025
43AQI
43AQI
27th June 2025
30AQI
30AQI
28th June 2025
25AQI
25AQI
29th June 2025
35AQI
35AQI
30th June 2025
31AQI
31AQI
1st July 2025
43AQI
43AQI
2nd July 2025
30AQI
30AQI
3rd July 2025
46AQI
46AQI
4th July 2025
47AQI
47AQI
5th July 2025
38AQI
38AQI
6th July 2025
58AQI
58AQI
7th July 2025
46AQI
46AQI
8th July 2025
30AQI
30AQI
9th July 2025
24AQI
24AQI
10th July 2025
30AQI
30AQI
11th July 2025
39AQI
39AQI
12th July 2025
39AQI
39AQI
13th July 2025
24AQI
24AQI
14th July 2025
23AQI
23AQI
15th July 2025
28AQI
28AQI
16th July 2025
40AQI
40AQI
17th July 2025
33AQI
33AQI
18th July 2025
17AQI
17AQI
19th July 2025
19AQI
19AQI
20th July 2025
26AQI
26AQI
21st July 2025
36AQI
36AQI
22nd July 2025
19AQI
19AQI
23rd July 2025
27AQI
27AQI
24th July 2025
33AQI
33AQI
25th July 2025
50AQI
50AQI
26th July 2025
81AQI
81AQI
27th July 2025
96AQI
96AQI
28th July 2025
56AQI
56AQI
29th July 2025
56AQI
56AQI
30th July 2025
44AQI
44AQI
31st July 2025
59AQI
59AQI
1st August 2025
56AQI
56AQI
2nd August 2025
36AQI
36AQI
3rd August 2025
70AQI
70AQI
4th August 2025
86AQI
86AQI
26AQI
25AQI
22AQI
19AQI
21AQI
43AQI
40AQI
62AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202529AQI
31
28
31
30
31
20
10
25
6
1
3
197
19
Highest AQI recorded in
August62AQI
Lowest AQI recorded in
April19AQI
202423AQI
31
29
31
30
31
27
3
27
3
26
5
30
31
30
31
354
11
Highest AQI recorded in
July33AQI
Lowest AQI recorded in
January17AQI
202328AQI
31
28
31
30
29
2
21
5
2
2
20
9
1
27
4
27
3
31
28
1
31
334
24
3
2
Highest AQI recorded in
June52AQI
Lowest AQI recorded in
October19AQI
202223AQI
30
1
21
31
17
31
30
24
1
30
31
30
29
2
305
3
Highest AQI recorded in
July27AQI
Lowest AQI recorded in
April19AQI
202125AQI
25
4
26
2
30
1
30
31
28
2
22
7
2
28
3
29
1
31
30
28
1
338
21
2
Highest AQI recorded in
July39AQI
Lowest AQI recorded in
October16AQI
202027AQI
5
21
18
27
3
25
6
28
29
1
31
29
1
29
2
242
13
Highest AQI recorded in
July38AQI
Lowest AQI recorded in
March19AQI
Most & Least Polluted Years Over the Last 6 Years
Most Polluted Year Recorded
2025(Avg.)
29AQILeast Polluted Year Recorded
2022(Avg.)
23AQILitchfield's annual 2025 AQI (29) shows an average percentage change of 14.2% (worsened AQI) compared to previous years: 2020 (27), 2021 (25), 2022 (23), 2023 (28), 2024 (23).
