Port Huron, Port Huron, Michigan, 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
Port Huron, Port Huron, Michigan, United States
2021
2022
2023
2024
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
3rd Aug 2025
97AQILowest AQI recorded on
30th Aug 2023
16AQISame Day Analysis (3rd August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 1st highest AQI at 97 of Moderate air quality on the same day.
Download 2024 Annual Data
World Air Quality Report
Day & Night AQI Trend: 3rd Aug - 4th Aug 2025
Port Huron, Port Huron, Michigan, United States
AQI
Day
Night
.
6 AM3rd Aug 2025
9 PM
5 AM4th Aug 2025
Day time
Avg. Highest Time
3PM3rd Aug
123AQI
Avg. Lowest Time
8AM3rd Aug
80AQI
Night time
Avg. Highest Time
5AM4th Aug
145AQI
Avg. Lowest Time
10PM3rd Aug
127AQI
In the last 24 hours,
Port Huron's AQI reached its highest point of 145 at 5 AM during the Night, while the lowest point, 80, was recorded at 8 AM during the Day between 3rd Aug and 4th Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Port Huron, Port Huron, Michigan, United States
JulAug
05th - 06th06th - 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
Day
Night
5th Jul 2025526 AMAQI
5th Jul 2025527 AMAQI
5th Jul 2025548 AMAQI
5th Jul 2025559 AMAQI
5th Jul 20255410 AMAQI
5th Jul 20255511 AMAQI
5th Jul 20255412 PMAQI
5th Jul 2025531 PMAQI
5th Jul 2025542 PMAQI
5th Jul 2025533 PMAQI
5th Jul 2025534 PMAQI
5th Jul 2025535 PMAQI
5th Jul 2025526 PMAQI
5th Jul 2025547 PMAQI
5th Jul 2025548 PMAQI
5th Jul 2025549 PMAQI
5th Jul 20255410 PMAQI
5th Jul 20255411 PMAQI
6th Jul 20255212 AMAQI
6th Jul 2025541 AMAQI
6th Jul 2025542 AMAQI
6th Jul 2025533 AMAQI
6th Jul 2025534 AMAQI
6th Jul 2025555 AMAQI
25°C18/33°C
6th Jul 2025556 AMAQI
6th Jul 2025557 AMAQI
6th Jul 2025558 AMAQI
6th Jul 2025559 AMAQI
6th Jul 20255610 AMAQI
6th Jul 20255611 AMAQI
6th Jul 20255512 PMAQI
6th Jul 2025561 PMAQI
6th Jul 2025552 PMAQI
6th Jul 2025543 PMAQI
6th Jul 2025554 PMAQI
6th Jul 2025545 PMAQI
6th Jul 2025546 PMAQI
6th Jul 2025547 PMAQI
6th Jul 2025548 PMAQI
6th Jul 2025549 PMAQI
6th Jul 20255310 PMAQI
6th Jul 20255111 PMAQI
7th Jul 20254412 AMAQI
7th Jul 2025331 AMAQI
7th Jul 2025342 AMAQI
7th Jul 2025323 AMAQI
7th Jul 2025264 AMAQI
7th Jul 2025235 AMAQI
27°C22/34°C
7th Jul 2025206 AMAQI
7th Jul 2025267 AMAQI
7th Jul 2025248 AMAQI
7th Jul 2025249 AMAQI
7th Jul 20253010 AMAQI
7th Jul 20252311 AMAQI
7th Jul 20252412 PMAQI
7th Jul 2025281 PMAQI
7th Jul 2025292 PMAQI
7th Jul 2025303 PMAQI
7th Jul 2025304 PMAQI
7th Jul 2025355 PMAQI
7th Jul 2025346 PMAQI
7th Jul 2025337 PMAQI
7th Jul 2025328 PMAQI
7th Jul 2025369 PMAQI
7th Jul 20253610 PMAQI
7th Jul 20253411 PMAQI
8th Jul 20253612 AMAQI
8th Jul 2025361 AMAQI
8th Jul 2025382 AMAQI
8th Jul 2025383 AMAQI
8th Jul 2025394 AMAQI
8th Jul 2025385 AMAQI
19°C17/21°C
8th Jul 2025396 AMAQI
8th Jul 2025437 AMAQI
8th Jul 2025398 AMAQI
8th Jul 2025389 AMAQI
8th Jul 20253510 AMAQI
8th Jul 20253411 AMAQI
8th Jul 20253812 PMAQI
8th Jul 2025441 PMAQI
8th Jul 2025452 PMAQI
8th Jul 2025443 PMAQI
8th Jul 2025484 PMAQI
8th Jul 2025465 PMAQI
8th Jul 2025466 PMAQI
8th Jul 2025407 PMAQI
8th Jul 2025448 PMAQI
8th Jul 2025469 PMAQI
8th Jul 20254810 PMAQI
8th Jul 20254711 PMAQI
9th Jul 20255312 AMAQI
9th Jul 2025551 AMAQI
9th Jul 2025582 AMAQI
9th Jul 2025593 AMAQI
9th Jul 2025604 AMAQI
9th Jul 2025595 AMAQI
20°C15/25°C
9th Jul 2025606 AMAQI
9th Jul 2025587 AMAQI
9th Jul 2025588 AMAQI
9th Jul 2025579 AMAQI
9th Jul 20255610 AMAQI
9th Jul 20255711 AMAQI
9th Jul 20255512 PMAQI
9th Jul 2025561 PMAQI
9th Jul 2025542 PMAQI
9th Jul 2025563 PMAQI
9th Jul 2025564 PMAQI
9th Jul 2025555 PMAQI
9th Jul 2025566 PMAQI
9th Jul 2025557 PMAQI
9th Jul 2025548 PMAQI
9th Jul 2025549 PMAQI
9th Jul 20255410 PMAQI
9th Jul 20255211 PMAQI
10th Jul 20254512 AMAQI
10th Jul 2025401 AMAQI
10th Jul 2025402 AMAQI
10th Jul 2025483 AMAQI
10th Jul 2025484 AMAQI
10th Jul 2025465 AMAQI
22°C18/27°C
10th Jul 2025446 AMAQI
10th Jul 2025477 AMAQI
10th Jul 2025488 AMAQI
10th Jul 2025459 AMAQI
10th Jul 20254810 AMAQI
10th Jul 20255011 AMAQI
10th Jul 20254812 PMAQI
10th Jul 2025461 PMAQI
10th Jul 2025462 PMAQI
10th Jul 2025483 PMAQI
10th Jul 2025464 PMAQI
10th Jul 2025475 PMAQI
10th Jul 2025476 PMAQI
10th Jul 2025467 PMAQI
10th Jul 2025468 PMAQI
10th Jul 2025449 PMAQI
10th Jul 20254610 PMAQI
10th Jul 20254811 PMAQI
11th Jul 20254812 AMAQI
11th Jul 2025481 AMAQI
11th Jul 2025482 AMAQI
11th Jul 2025493 AMAQI
11th Jul 2025484 AMAQI
11th Jul 2025485 AMAQI
21°C17/25°C
11th Jul 2025506 AMAQI
11th Jul 2025527 AMAQI
11th Jul 2025518 AMAQI
11th Jul 2025509 AMAQI
11th Jul 20255010 AMAQI
11th Jul 20255111 AMAQI
11th Jul 20255012 PMAQI
11th Jul 2025501 PMAQI
11th Jul 2025502 PMAQI
11th Jul 2025513 PMAQI
11th Jul 2025504 PMAQI
11th Jul 2025495 PMAQI
11th Jul 2025486 PMAQI
11th Jul 2025497 PMAQI
11th Jul 2025498 PMAQI
11th Jul 2025469 PMAQI
11th Jul 20254710 PMAQI
11th Jul 20254511 PMAQI
12th Jul 20253812 AMAQI
12th Jul 2025331 AMAQI
12th Jul 2025302 AMAQI
12th Jul 2025313 AMAQI
12th Jul 2025314 AMAQI
12th Jul 2025365 AMAQI
22°C18/26°C
12th Jul 2025386 AMAQI
12th Jul 2025387 AMAQI
12th Jul 2025378 AMAQI
12th Jul 2025389 AMAQI
12th Jul 20253910 AMAQI
12th Jul 20254211 AMAQI
12th Jul 20254412 PMAQI
12th Jul 2025441 PMAQI
12th Jul 2025432 PMAQI
12th Jul 2025403 PMAQI
12th Jul 2025384 PMAQI
12th Jul 2025395 PMAQI
12th Jul 2025406 PMAQI
12th Jul 2025377 PMAQI
12th Jul 2025408 PMAQI
12th Jul 2025389 PMAQI
12th Jul 20253810 PMAQI
12th Jul 20254011 PMAQI
13th Jul 20253612 AMAQI
13th Jul 2025361 AMAQI
13th Jul 2025362 AMAQI
13th Jul 2025363 AMAQI
13th Jul 2025344 AMAQI
13th Jul 2025365 AMAQI
26°C20/34°C
13th Jul 2025356 AMAQI
13th Jul 2025367 AMAQI
13th Jul 2025368 AMAQI
13th Jul 2025389 AMAQI
13th Jul 20253910 AMAQI
13th Jul 20254511 AMAQI
13th Jul 20255412 PMAQI
13th Jul 2025551 PMAQI
13th Jul 2025522 PMAQI
13th Jul 2025423 PMAQI
13th Jul 2025424 PMAQI
13th Jul 2025425 PMAQI
13th Jul 2025436 PMAQI
13th Jul 2025417 PMAQI
13th Jul 2025428 PMAQI
13th Jul 2025469 PMAQI
13th Jul 20255010 PMAQI
13th Jul 20254811 PMAQI
14th Jul 20255812 AMAQI
14th Jul 2025691 AMAQI
14th Jul 2025762 AMAQI
14th Jul 2025733 AMAQI
14th Jul 2025704 AMAQI
14th Jul 2025725 AMAQI
25°C21/30°C
14th Jul 2025706 AMAQI
14th Jul 2025797 AMAQI
14th Jul 2025758 AMAQI
14th Jul 2025769 AMAQI
14th Jul 20257510 AMAQI
14th Jul 20257811 AMAQI
14th Jul 20258012 PMAQI
14th Jul 2025811 PMAQI
14th Jul 2025792 PMAQI
14th Jul 2025803 PMAQI
14th Jul 2025794 PMAQI
14th Jul 2025825 PMAQI
14th Jul 2025826 PMAQI
14th Jul 2025747 PMAQI
14th Jul 2025728 PMAQI
14th Jul 2025729 PMAQI
14th Jul 20257210 PMAQI
14th Jul 20257211 PMAQI
15th Jul 20257812 AMAQI
15th Jul 2025841 AMAQI
15th Jul 2025892 AMAQI
15th Jul 2025933 AMAQI
15th Jul 2025884 AMAQI
15th Jul 2025865 AMAQI
25°C19/30°C
15th Jul 2025956 AMAQI
15th Jul 20251047 AMAQI
15th Jul 20251038 AMAQI
15th Jul 2025969 AMAQI
15th Jul 20259610 AMAQI
15th Jul 20259811 AMAQI
15th Jul 20259912 PMAQI
15th Jul 2025971 PMAQI
15th Jul 2025992 PMAQI
15th Jul 2025963 PMAQI
15th Jul 20251014 PMAQI
15th Jul 20251025 PMAQI
15th Jul 2025976 PMAQI
15th Jul 2025937 PMAQI
15th Jul 2025988 PMAQI
15th Jul 2025999 PMAQI
15th Jul 20259410 PMAQI
15th Jul 20259811 PMAQI
16th Jul 20259812 AMAQI
16th Jul 20251061 AMAQI
16th Jul 20251002 AMAQI
16th Jul 2025983 AMAQI
16th Jul 20251034 AMAQI
16th Jul 20251005 AMAQI
24°C16/32°C
16th Jul 2025966 AMAQI
16th Jul 2025947 AMAQI
16th Jul 2025968 AMAQI
16th Jul 2025949 AMAQI
16th Jul 20259410 AMAQI
16th Jul 20258511 AMAQI
16th Jul 20258212 PMAQI
16th Jul 2025821 PMAQI
16th Jul 2025772 PMAQI
16th Jul 2025763 PMAQI
16th Jul 2025744 PMAQI
16th Jul 2025765 PMAQI
16th Jul 2025736 PMAQI
16th Jul 2025817 PMAQI
16th Jul 2025828 PMAQI
16th Jul 2025689 PMAQI
16th Jul 20256910 PMAQI
16th Jul 20256811 PMAQI
17th Jul 20255212 AMAQI
17th Jul 2025391 AMAQI
17th Jul 2025432 AMAQI
17th Jul 2025423 AMAQI
17th Jul 2025394 AMAQI
17th Jul 2025395 AMAQI
23°C17/29°C
17th Jul 2025396 AMAQI
17th Jul 2025367 AMAQI
17th Jul 2025358 AMAQI
17th Jul 2025379 AMAQI
17th Jul 20254310 AMAQI
17th Jul 20254911 AMAQI
17th Jul 20254012 PMAQI
17th Jul 2025381 PMAQI
17th Jul 2025362 PMAQI
17th Jul 2025363 PMAQI
17th Jul 2025364 PMAQI
17th Jul 2025365 PMAQI
17th Jul 2025356 PMAQI
17th Jul 2025367 PMAQI
17th Jul 2025368 PMAQI
17th Jul 2025349 PMAQI
17th Jul 20253710 PMAQI
17th Jul 20253311 PMAQI
18th Jul 20253212 AMAQI
18th Jul 2025311 AMAQI
18th Jul 2025322 AMAQI
18th Jul 2025313 AMAQI
18th Jul 2025324 AMAQI
18th Jul 2025305 AMAQI
22°C18/23°C
18th Jul 2025306 AMAQI
18th Jul 2025287 AMAQI
18th Jul 2025368 AMAQI
18th Jul 2025279 AMAQI
18th Jul 20252710 AMAQI
18th Jul 20253611 AMAQI
18th Jul 20252812 PMAQI
18th Jul 2025281 PMAQI
18th Jul 2025282 PMAQI
18th Jul 2025283 PMAQI
18th Jul 2025294 PMAQI
18th Jul 2025285 PMAQI
18th Jul 2025286 PMAQI
18th Jul 2025267 PMAQI
18th Jul 2025268 PMAQI
18th Jul 2025269 PMAQI
18th Jul 20252610 PMAQI
18th Jul 20252611 PMAQI
19th Jul 20253212 AMAQI
19th Jul 2025361 AMAQI
19th Jul 2025402 AMAQI
19th Jul 2025403 AMAQI
19th Jul 2025354 AMAQI
19th Jul 2025325 AMAQI
19°C13/25°C
19th Jul 2025366 AMAQI
19th Jul 2025337 AMAQI
19th Jul 2025338 AMAQI
19th Jul 2025319 AMAQI
19th Jul 20252710 AMAQI
19th Jul 20252711 AMAQI
19th Jul 20252712 PMAQI
19th Jul 2025301 PMAQI
19th Jul 2025332 PMAQI
19th Jul 2025343 PMAQI
19th Jul 2025344 PMAQI
19th Jul 2025345 PMAQI
19th Jul 2025336 PMAQI
19th Jul 2025337 PMAQI
19th Jul 2025348 PMAQI
19th Jul 2025339 PMAQI
19th Jul 20253310 PMAQI
19th Jul 20253311 PMAQI
20th Jul 20252812 AMAQI
20th Jul 2025381 AMAQI
20th Jul 2025292 AMAQI
20th Jul 2025323 AMAQI
20th Jul 2025254 AMAQI
20th Jul 2025275 AMAQI
20°C13/26°C
20th Jul 2025286 AMAQI
20th Jul 2025287 AMAQI
20th Jul 2025308 AMAQI
20th Jul 2025289 AMAQI
20th Jul 20252710 AMAQI
20th Jul 20252711 AMAQI
20th Jul 20252712 PMAQI
20th Jul 2025261 PMAQI
20th Jul 2025262 PMAQI
20th Jul 2025293 PMAQI
20th Jul 2025304 PMAQI
20th Jul 2025305 PMAQI
20th Jul 2025296 PMAQI
20th Jul 2025287 PMAQI
20th Jul 2025288 PMAQI
20th Jul 2025309 PMAQI
20th Jul 20253310 PMAQI
20th Jul 20253611 PMAQI
21st Jul 20254112 AMAQI
21st Jul 2025491 AMAQI
21st Jul 2025482 AMAQI
21st Jul 2025523 AMAQI
21st Jul 2025504 AMAQI
21st Jul 2025485 AMAQI
21°C17/24°C
21st Jul 2025536 AMAQI
21st Jul 2025557 AMAQI
21st Jul 2025568 AMAQI
21st Jul 2025549 AMAQI
21st Jul 20255010 AMAQI
21st Jul 20254611 AMAQI
21st Jul 20254012 PMAQI
21st Jul 2025401 PMAQI
21st Jul 2025402 PMAQI
21st Jul 2025483 PMAQI
21st Jul 2025464 PMAQI
21st Jul 2025445 PMAQI
21st Jul 2025426 PMAQI
21st Jul 2025467 PMAQI
21st Jul 2025488 PMAQI
21st Jul 2025439 PMAQI
21st Jul 20254210 PMAQI
21st Jul 20253911 PMAQI
22nd Jul 20253012 AMAQI
22nd Jul 2025211 AMAQI
22nd Jul 2025192 AMAQI
22nd Jul 2025193 AMAQI
22nd Jul 2025184 AMAQI
22nd Jul 2025185 AMAQI
19°C15/23°C
22nd Jul 2025196 AMAQI
22nd Jul 2025207 AMAQI
22nd Jul 2025208 AMAQI
22nd Jul 2025229 AMAQI
22nd Jul 20252410 AMAQI
22nd Jul 20252311 AMAQI
22nd Jul 20252412 PMAQI
22nd Jul 2025221 PMAQI
22nd Jul 2025232 PMAQI
22nd Jul 2025243 PMAQI
22nd Jul 2025234 PMAQI
22nd Jul 2025235 PMAQI
22nd Jul 2025226 PMAQI
22nd Jul 2025227 PMAQI
22nd Jul 2025228 PMAQI
22nd Jul 2025239 PMAQI
22nd Jul 20252210 PMAQI
22nd Jul 20252311 PMAQI
23rd Jul 20252312 AMAQI
23rd Jul 2025231 AMAQI
23rd Jul 2025242 AMAQI
23rd Jul 2025243 AMAQI
23rd Jul 2025274 AMAQI
23rd Jul 2025275 AMAQI
20°C13/27°C
23rd Jul 2025256 AMAQI
23rd Jul 2025247 AMAQI
23rd Jul 2025238 AMAQI
23rd Jul 2025229 AMAQI
23rd Jul 20252310 AMAQI
23rd Jul 20252211 AMAQI
23rd Jul 20252412 PMAQI
23rd Jul 2025261 PMAQI
23rd Jul 2025272 PMAQI
23rd Jul 2025273 PMAQI
23rd Jul 2025274 PMAQI
23rd Jul 2025265 PMAQI
23rd Jul 2025286 PMAQI
23rd Jul 2025267 PMAQI
23rd Jul 2025278 PMAQI
23rd Jul 2025299 PMAQI
23rd Jul 20253010 PMAQI
23rd Jul 20253111 PMAQI
24th Jul 20253512 AMAQI
24th Jul 2025331 AMAQI
24th Jul 2025312 AMAQI
24th Jul 2025323 AMAQI
24th Jul 2025334 AMAQI
24th Jul 2025375 AMAQI
22°C14/30°C
24th Jul 2025446 AMAQI
24th Jul 2025507 AMAQI
24th Jul 2025538 AMAQI
24th Jul 2025539 AMAQI
24th Jul 20255410 AMAQI
24th Jul 20255511 AMAQI
24th Jul 20255712 PMAQI
24th Jul 2025551 PMAQI
24th Jul 2025542 PMAQI
24th Jul 2025513 PMAQI
24th Jul 2025524 PMAQI
24th Jul 2025525 PMAQI
24th Jul 2025516 PMAQI
24th Jul 2025517 PMAQI
24th Jul 2025488 PMAQI
24th Jul 2025439 PMAQI
24th Jul 20254110 PMAQI
24th Jul 20254011 PMAQI
25th Jul 20253512 AMAQI
25th Jul 2025311 AMAQI
25th Jul 2025302 AMAQI
25th Jul 2025293 AMAQI
25th Jul 2025304 AMAQI
25th Jul 2025305 AMAQI
26°C18/34°C
25th Jul 2025296 AMAQI
25th Jul 2025287 AMAQI
25th Jul 2025288 AMAQI
25th Jul 2025299 AMAQI
25th Jul 20252810 AMAQI
25th Jul 20252811 AMAQI
25th Jul 20252912 PMAQI
25th Jul 2025321 PMAQI
25th Jul 2025322 PMAQI
25th Jul 2025323 PMAQI
25th Jul 2025324 PMAQI
25th Jul 2025335 PMAQI
25th Jul 2025326 PMAQI
25th Jul 2025327 PMAQI
25th Jul 2025348 PMAQI
25th Jul 2025409 PMAQI
25th Jul 20254210 PMAQI
25th Jul 20254211 PMAQI
26th Jul 20255412 AMAQI
26th Jul 2025611 AMAQI
26th Jul 2025652 AMAQI
26th Jul 2025623 AMAQI
26th Jul 2025604 AMAQI
26th Jul 2025615 AMAQI
22°C19/24°C
26th Jul 2025616 AMAQI
26th Jul 2025617 AMAQI
26th Jul 2025608 AMAQI
26th Jul 2025579 AMAQI
26th Jul 20255610 AMAQI
26th Jul 20255411 AMAQI
26th Jul 20255212 PMAQI
26th Jul 2025521 PMAQI
26th Jul 2025542 PMAQI
26th Jul 2025563 PMAQI
26th Jul 2025564 PMAQI
26th Jul 2025565 PMAQI
26th Jul 2025556 PMAQI
26th Jul 2025567 PMAQI
26th Jul 2025578 PMAQI
26th Jul 2025549 PMAQI
26th Jul 20255510 PMAQI
26th Jul 20255111 PMAQI
27th Jul 20253812 AMAQI
27th Jul 2025321 AMAQI
27th Jul 2025282 AMAQI
27th Jul 2025283 AMAQI
27th Jul 2025284 AMAQI
27th Jul 2025285 AMAQI
23°C19/27°C
27th Jul 2025286 AMAQI
27th Jul 2025307 AMAQI
27th Jul 2025308 AMAQI
27th Jul 2025309 AMAQI
27th Jul 20253010 AMAQI
27th Jul 20253111 AMAQI
27th Jul 20253212 PMAQI
27th Jul 2025341 PMAQI
27th Jul 2025342 PMAQI
27th Jul 2025343 PMAQI
27th Jul 2025334 PMAQI
27th Jul 2025345 PMAQI
27th Jul 2025336 PMAQI
27th Jul 2025327 PMAQI
27th Jul 2025328 PMAQI
27th Jul 2025349 PMAQI
27th Jul 20253410 PMAQI
27th Jul 20253711 PMAQI
28th Jul 20254312 AMAQI
28th Jul 2025511 AMAQI
28th Jul 2025492 AMAQI
28th Jul 2025453 AMAQI
28th Jul 2025424 AMAQI
28th Jul 2025405 AMAQI
24°C21/29°C
28th Jul 2025406 AMAQI
28th Jul 2025427 AMAQI
28th Jul 2025448 AMAQI
28th Jul 2025459 AMAQI
28th Jul 20254710 AMAQI
28th Jul 20254311 AMAQI
28th Jul 20254312 PMAQI
28th Jul 2025431 PMAQI
28th Jul 2025432 PMAQI
28th Jul 2025463 PMAQI
28th Jul 2025464 PMAQI
28th Jul 2025465 PMAQI
28th Jul 2025466 PMAQI
28th Jul 2025427 PMAQI
28th Jul 2025418 PMAQI
28th Jul 2025429 PMAQI
28th Jul 20254210 PMAQI
28th Jul 20254211 PMAQI
29th Jul 20253812 AMAQI
29th Jul 2025281 AMAQI
29th Jul 2025302 AMAQI
29th Jul 2025313 AMAQI
29th Jul 2025324 AMAQI
29th Jul 2025355 AMAQI
26°C19/33°C
29th Jul 2025386 AMAQI
29th Jul 2025417 AMAQI
29th Jul 2025418 AMAQI
29th Jul 2025419 AMAQI
29th Jul 20254210 AMAQI
29th Jul 20254211 AMAQI
29th Jul 20254112 PMAQI
29th Jul 2025421 PMAQI
29th Jul 2025422 PMAQI
29th Jul 2025403 PMAQI
29th Jul 2025394 PMAQI
29th Jul 2025395 PMAQI
29th Jul 2025406 PMAQI
29th Jul 2025387 PMAQI
29th Jul 2025368 PMAQI
29th Jul 2025369 PMAQI
29th Jul 20253810 PMAQI
29th Jul 20254211 PMAQI
30th Jul 20254212 AMAQI
30th Jul 2025441 AMAQI
30th Jul 2025462 AMAQI
30th Jul 2025453 AMAQI
30th Jul 2025484 AMAQI
30th Jul 2025455 AMAQI
22°C19/26°C
30th Jul 2025466 AMAQI
30th Jul 2025457 AMAQI
30th Jul 2025428 AMAQI
30th Jul 2025449 AMAQI
30th Jul 20254410 AMAQI
30th Jul 20254811 AMAQI
30th Jul 20255212 PMAQI
30th Jul 2025541 PMAQI
30th Jul 2025542 PMAQI
30th Jul 2025543 PMAQI
30th Jul 2025544 PMAQI
30th Jul 2025545 PMAQI
30th Jul 2025546 PMAQI
30th Jul 2025547 PMAQI
30th Jul 2025548 PMAQI
30th Jul 2025529 PMAQI
30th Jul 20255110 PMAQI
30th Jul 20255411 PMAQI
31st Jul 20256712 AMAQI
31st Jul 2025901 AMAQI
31st Jul 20251052 AMAQI
31st Jul 2025923 AMAQI
31st Jul 20251194 AMAQI
31st Jul 20251105 AMAQI
22°C19/25°C
31st Jul 20251206 AMAQI
31st Jul 20251327 AMAQI
31st Jul 20251048 AMAQI
31st Jul 2025779 AMAQI
31st Jul 202510710 AMAQI
31st Jul 202513711 AMAQI
31st Jul 202514412 PMAQI
31st Jul 20251471 PMAQI
31st Jul 20251542 PMAQI
31st Jul 20251503 PMAQI
31st Jul 20251504 PMAQI
31st Jul 20251545 PMAQI
31st Jul 20251406 PMAQI
31st Jul 20251467 PMAQI
31st Jul 20251288 PMAQI
31st Jul 20251119 PMAQI
31st Jul 202512310 PMAQI
31st Jul 202511511 PMAQI
1st Aug 202510112 AMAQI
1st Aug 2025931 AMAQI
1st Aug 2025932 AMAQI
1st Aug 2025863 AMAQI
1st Aug 2025844 AMAQI
1st Aug 2025845 AMAQI
20°C18/23°C
1st Aug 2025786 AMAQI
1st Aug 2025707 AMAQI
1st Aug 2025648 AMAQI
1st Aug 2025669 AMAQI
1st Aug 20256010 AMAQI
1st Aug 20255911 AMAQI
1st Aug 20255812 PMAQI
1st Aug 2025601 PMAQI
1st Aug 2025562 PMAQI
1st Aug 2025513 PMAQI
1st Aug 2025424 PMAQI
1st Aug 2025355 PMAQI
1st Aug 2025386 PMAQI
1st Aug 2025687 PMAQI
1st Aug 2025478 PMAQI
1st Aug 2025289 PMAQI
1st Aug 20253110 PMAQI
1st Aug 20253311 PMAQI
2nd Aug 20253312 AMAQI
2nd Aug 2025361 AMAQI
2nd Aug 2025372 AMAQI
2nd Aug 2025373 AMAQI
2nd Aug 2025394 AMAQI
2nd Aug 2025385 AMAQI
20°C15/25°C
2nd Aug 2025396 AMAQI
2nd Aug 2025377 AMAQI
2nd Aug 2025418 AMAQI
2nd Aug 2025379 AMAQI
2nd Aug 20253510 AMAQI
2nd Aug 20252911 AMAQI
2nd Aug 20252812 PMAQI
2nd Aug 2025311 PMAQI
2nd Aug 2025432 PMAQI
2nd Aug 2025503 PMAQI
2nd Aug 2025534 PMAQI
2nd Aug 2025565 PMAQI
2nd Aug 2025576 PMAQI
2nd Aug 2025427 PMAQI
2nd Aug 2025528 PMAQI
2nd Aug 2025689 PMAQI
2nd Aug 20257810 PMAQI
2nd Aug 20258311 PMAQI
3rd Aug 20258212 AMAQI
3rd Aug 2025901 AMAQI
3rd Aug 2025912 AMAQI
3rd Aug 2025933 AMAQI
3rd Aug 2025894 AMAQI
3rd Aug 2025805 AMAQI
19°C13/27°C
3rd Aug 2025806 AMAQI
3rd Aug 2025847 AMAQI
3rd Aug 2025808 AMAQI
3rd Aug 2025849 AMAQI
3rd Aug 20259010 AMAQI
3rd Aug 20259811 AMAQI
3rd Aug 202511012 PMAQI
3rd Aug 20251101 PMAQI
3rd Aug 20251062 PMAQI
3rd Aug 20251233 PMAQI
3rd Aug 20251164 PMAQI
3rd Aug 20251065 PMAQI
3rd Aug 20251016 PMAQI
3rd Aug 2025927 PMAQI
3rd Aug 20251168 PMAQI
3rd Aug 20251319 PMAQI
3rd Aug 202512710 PMAQI
3rd Aug 202514211 PMAQI
4th Aug 202513412 AMAQI
4th Aug 20251301 AMAQI
4th Aug 20251382 AMAQI
4th Aug 20251423 AMAQI
4th Aug 20251424 AMAQI
4th Aug 20251455 AMAQI
21°C13/28°C
4th Aug 20251426 AMAQI
6 AM4th Aug 20251507 AMAQI
4th Aug 20251538 AMAQI
4th Aug 20251529 AMAQI
4th Aug 202515010 AMAQI
4th Aug 202515011 AMAQI
4th Aug 202514212 PMAQI
4th Aug 20251471 PMAQI
1 PM9 PM
1 AM
5 AM
--°C/°C
Day time
Avg. Highest Time
6 AM - 1 PM
54AQI
8 hours / Day
240 hours / Month
Avg. Lowest Time
2 PM - 9 PM
52AQI
8 hours / Day
240 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 6 AM to 1 PM (Avg. 54), while the lowest AQI was between 2 PM to 9 PM (Avg. 52).
Night time
Avg. Highest Time
12 AM - 11 PM
52AQI
8 hours / Day
240 hours / Month
Avg. Lowest Time
12 AM - 11 PM
52AQI
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. 52), while the lowest AQI was between 12 AM to 11 PM (Avg. 52).
2025 Days Vs Air Quality
Port Huron, Port Huron, Michigan, United States
2025
85%
183
14%
31
0.4%
1
Total number of days with different AQI categories in last 216 days in 2025 (149 days remaining)
Good
183 DaysModerate
31 DaysPoor
1 DaysUnhealthy
0 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 85%
Health Risk Level:
Low
In 2025, 85% of 216 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
Port Huron, Port Huron, Michigan, 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
19AQI
19AQI
2nd January 2025
23AQI
23AQI
3rd January 2025
20AQI
20AQI
4th January 2025
20AQI
20AQI
5th January 2025
22AQI
22AQI
6th January 2025
21AQI
21AQI
7th January 2025
22AQI
22AQI
8th January 2025
22AQI
22AQI
9th January 2025
26AQI
26AQI
10th January 2025
59AQI
59AQI
11th January 2025
57AQI
57AQI
12th January 2025
52AQI
52AQI
13th January 2025
30AQI
30AQI
14th January 2025
25AQI
25AQI
15th January 2025
27AQI
27AQI
16th January 2025
53AQI
53AQI
17th January 2025
36AQI
36AQI
18th January 2025
29AQI
29AQI
19th January 2025
24AQI
24AQI
20th January 2025
22AQI
22AQI
21st January 2025
26AQI
26AQI
22nd January 2025
30AQI
30AQI
23rd January 2025
41AQI
41AQI
24th January 2025
35AQI
35AQI
25th January 2025
60AQI
60AQI
26th January 2025
45AQI
45AQI
27th January 2025
33AQI
33AQI
28th January 2025
24AQI
24AQI
29th January 2025
23AQI
23AQI
30th January 2025
30AQI
30AQI
31st January 2025
48AQI
48AQI
1st February 2025
23AQI
23AQI
2nd February 2025
35AQI
35AQI
3rd February 2025
51AQI
51AQI
4th February 2025
23AQI
23AQI
5th February 2025
23AQI
23AQI
6th February 2025
32AQI
32AQI
7th February 2025
25AQI
25AQI
8th February 2025
42AQI
42AQI
9th February 2025
31AQI
31AQI
10th February 2025
39AQI
39AQI
11th February 2025
44AQI
44AQI
12th February 2025
33AQI
33AQI
13th February 2025
29AQI
29AQI
14th February 2025
40AQI
40AQI
15th February 2025
50AQI
50AQI
16th February 2025
36AQI
36AQI
17th February 2025
27AQI
27AQI
18th February 2025
25AQI
25AQI
19th February 2025
24AQI
24AQI
20th February 2025
26AQI
26AQI
21st February 2025
26AQI
26AQI
22nd February 2025
53AQI
53AQI
23rd February 2025
60AQI
60AQI
24th February 2025
54AQI
54AQI
25th February 2025
42AQI
42AQI
26th February 2025
39AQI
39AQI
27th February 2025
51AQI
51AQI
28th February 2025
25AQI
25AQI
1st March 2025
29AQI
29AQI
2nd March 2025
28AQI
28AQI
3rd March 2025
35AQI
35AQI
4th March 2025
39AQI
39AQI
5th March 2025
30AQI
30AQI
6th March 2025
29AQI
29AQI
7th March 2025
29AQI
29AQI
8th March 2025
31AQI
31AQI
9th March 2025
29AQI
29AQI
10th March 2025
36AQI
36AQI
11th March 2025
31AQI
31AQI
12th March 2025
27AQI
27AQI
13th March 2025
36AQI
36AQI
14th March 2025
49AQI
49AQI
15th March 2025
43AQI
43AQI
16th March 2025
22AQI
22AQI
17th March 2025
18AQI
18AQI
18th March 2025
25AQI
25AQI
19th March 2025
33AQI
33AQI
20th March 2025
22AQI
22AQI
21st March 2025
20AQI
20AQI
22nd March 2025
17AQI
17AQI
23rd March 2025
17AQI
17AQI
24th March 2025
20AQI
20AQI
25th March 2025
18AQI
18AQI
26th March 2025
19AQI
19AQI
27th March 2025
37AQI
37AQI
28th March 2025
39AQI
39AQI
29th March 2025
40AQI
40AQI
30th March 2025
39AQI
39AQI
31st March 2025
20AQI
20AQI
1st April 2025
16AQI
16AQI
2nd April 2025
19AQI
19AQI
3rd April 2025
20AQI
20AQI
4th April 2025
18AQI
18AQI
5th April 2025
19AQI
19AQI
6th April 2025
16AQI
16AQI
7th April 2025
19AQI
19AQI
8th April 2025
15AQI
15AQI
9th April 2025
28AQI
28AQI
10th April 2025
30AQI
30AQI
11th April 2025
29AQI
29AQI
12th April 2025
23AQI
23AQI
13th April 2025
36AQI
36AQI
14th April 2025
26AQI
26AQI
15th April 2025
14AQI
14AQI
16th April 2025
15AQI
15AQI
17th April 2025
26AQI
26AQI
18th April 2025
41AQI
41AQI
19th April 2025
37AQI
37AQI
20th April 2025
17AQI
17AQI
21st April 2025
22AQI
22AQI
22nd April 2025
16AQI
16AQI
23rd April 2025
38AQI
38AQI
24th April 2025
48AQI
48AQI
25th April 2025
38AQI
38AQI
26th April 2025
18AQI
18AQI
27th April 2025
20AQI
20AQI
28th April 2025
25AQI
25AQI
29th April 2025
34AQI
34AQI
30th April 2025
15AQI
15AQI
1st May 2025
26AQI
26AQI
2nd May 2025
23AQI
23AQI
3rd May 2025
15AQI
15AQI
4th May 2025
17AQI
17AQI
5th May 2025
22AQI
22AQI
6th May 2025
29AQI
29AQI
7th May 2025
26AQI
26AQI
8th May 2025
17AQI
17AQI
9th May 2025
19AQI
19AQI
10th May 2025
29AQI
29AQI
11th May 2025
22AQI
22AQI
12th May 2025
34AQI
34AQI
13th May 2025
26AQI
26AQI
14th May 2025
21AQI
21AQI
15th May 2025
27AQI
27AQI
16th May 2025
31AQI
31AQI
17th May 2025
22AQI
22AQI
18th May 2025
16AQI
16AQI
19th May 2025
13AQI
13AQI
20th May 2025
16AQI
16AQI
21st May 2025
19AQI
19AQI
22nd May 2025
12AQI
12AQI
23rd May 2025
11AQI
11AQI
24th May 2025
13AQI
13AQI
25th May 2025
27AQI
27AQI
26th May 2025
24AQI
24AQI
27th May 2025
27AQI
27AQI
28th May 2025
19AQI
19AQI
29th May 2025
30AQI
30AQI
30th May 2025
34AQI
34AQI
31st May 2025
23AQI
23AQI
1st June 2025
22AQI
22AQI
2nd June 2025
28AQI
28AQI
3rd June 2025
45AQI
45AQI
4th June 2025
70AQI
70AQI
5th June 2025
79AQI
79AQI
6th June 2025
87AQI
87AQI
7th June 2025
72AQI
72AQI
8th June 2025
95AQI
95AQI
9th June 2025
80AQI
80AQI
10th June 2025
54AQI
54AQI
11th June 2025
71AQI
71AQI
12th June 2025
77AQI
77AQI
13th June 2025
41AQI
41AQI
14th June 2025
34AQI
34AQI
15th June 2025
35AQI
35AQI
16th June 2025
35AQI
35AQI
17th June 2025
37AQI
37AQI
18th June 2025
32AQI
32AQI
19th June 2025
22AQI
22AQI
20th June 2025
35AQI
35AQI
21st June 2025
39AQI
39AQI
22nd June 2025
42AQI
42AQI
23rd June 2025
53AQI
53AQI
24th June 2025
53AQI
53AQI
25th June 2025
40AQI
40AQI
26th June 2025
49AQI
49AQI
27th June 2025
42AQI
42AQI
28th June 2025
28AQI
28AQI
29th June 2025
39AQI
39AQI
30th June 2025
32AQI
32AQI
1st July 2025
29AQI
29AQI
2nd July 2025
41AQI
41AQI
3rd July 2025
51AQI
51AQI
4th July 2025
48AQI
48AQI
5th July 2025
53AQI
53AQI
6th July 2025
54AQI
54AQI
7th July 2025
31AQI
31AQI
8th July 2025
41AQI
41AQI
9th July 2025
56AQI
56AQI
10th July 2025
46AQI
46AQI
11th July 2025
49AQI
49AQI
12th July 2025
37AQI
37AQI
13th July 2025
41AQI
41AQI
14th July 2025
74AQI
74AQI
15th July 2025
94AQI
94AQI
16th July 2025
87AQI
87AQI
17th July 2025
39AQI
39AQI
18th July 2025
29AQI
29AQI
19th July 2025
33AQI
33AQI
20th July 2025
29AQI
29AQI
21st July 2025
46AQI
46AQI
22nd July 2025
22AQI
22AQI
23rd July 2025
26AQI
26AQI
24th July 2025
45AQI
45AQI
25th July 2025
32AQI
32AQI
26th July 2025
57AQI
57AQI
27th July 2025
32AQI
32AQI
28th July 2025
44AQI
44AQI
29th July 2025
37AQI
37AQI
30th July 2025
49AQI
49AQI
31st July 2025
120AQI
120AQI
1st August 2025
63AQI
63AQI
2nd August 2025
45AQI
45AQI
3rd August 2025
97AQI
97AQI
32AQI
36AQI
29AQI
25AQI
22AQI
49AQI
47AQI
68AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202535AQI
26
5
23
5
31
30
31
19
11
22
8
1
1
2
183
31
1
Highest AQI recorded in
August68AQI
Lowest AQI recorded in
May22AQI
202432AQI
23
7
26
2
11
2
3
12
29
31
29
2
30
25
6
29
1
31
279
20
Highest AQI recorded in
October36AQI
Lowest AQI recorded in
April22AQI
202341AQI
22
9
24
4
26
5
26
4
24
3
5
13
7
2
21
9
22
9
29
1
28
3
23
6
24
7
274
73
7
2
Highest AQI recorded in
June83AQI
Lowest AQI recorded in
October31AQI
202237AQI
17
4
25
6
28
1
28
3
26
4
20
1
1
26
3
28
3
22
8
21
10
242
43
Highest AQI recorded in
November41AQI
Lowest AQI recorded in
August29AQI
202138AQI
20
10
10
5
1
27
4
23
6
25
6
25
5
18
13
19
12
30
29
2
19
5
245
68
1
Highest AQI recorded in
August47AQI
Lowest AQI recorded in
September30AQI
202034AQI
13
20
17
1
24
6
22
8
24
5
27
3
30
26
2
21
10
224
35
Highest AQI recorded in
June39AQI
Lowest AQI recorded in
November26AQI
Most & Least Polluted Years Over the Last 6 Years
Most Polluted Year Recorded
2023(Avg.)
41AQILeast Polluted Year Recorded
2024(Avg.)
32AQIPort Huron's annual 2025 AQI (35) shows an average percentage change of -3.8% (improved AQI) compared to previous years: 2020 (34), 2021 (38), 2022 (37), 2023 (41), 2024 (32).
