Sarnia, 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
Sarnia, Port Huron, Michigan, United States
2022
2023
2024
2025
2026
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
4th Aug 2025
133AQILowest AQI recorded on
18th Aug 2025
16AQISame Day Analysis (4th August):
On this day, AQI across the 5 years varied significantly: 2026 ranks 4th highest AQI at 37 of Good air quality, showing improvement over 2025, 2024 and 2023 on the same day.
Day & Night AQI Trend: 4th Aug - 5th Aug 2026
Sarnia, Port Huron, Michigan, United States
AQI
Day
Night
.
6 AM4th Aug 2026
9 PM
5 AM5th Aug 2026
Day time
Avg. Highest Time
1PM4th Aug
50AQI
Avg. Lowest Time
5PM4th Aug
25AQI
Night time
Avg. Highest Time
11PM4th Aug
51AQI
Avg. Lowest Time
9PM4th Aug
23AQI
In the last 24 hours,
Sarnia's AQI reached its highest point of 51 at 11 PM during the Night, while the lowest point, 23, was recorded at 9 PM during the Night between 4th Aug and 5th Aug 2026.
Day & Night AQI Trend : Jul - Aug 2026
Sarnia, Port Huron, Michigan, United States
JulAug
07th - 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
7th Jul 2026306 AMAQI
7th Jul 2026287 AMAQI
7th Jul 2026298 AMAQI
7th Jul 2026319 AMAQI
7th Jul 20262910 AMAQI
7th Jul 20263411 AMAQI
7th Jul 20263112 PMAQI
7th Jul 2026311 PMAQI
7th Jul 2026312 PMAQI
7th Jul 2026283 PMAQI
7th Jul 2026314 PMAQI
7th Jul 2026325 PMAQI
7th Jul 2026316 PMAQI
7th Jul 2026327 PMAQI
7th Jul 2026308 PMAQI
7th Jul 2026309 PMAQI
7th Jul 20262710 PMAQI
7th Jul 20262711 PMAQI
8th Jul 20262612 AMAQI
8th Jul 2026251 AMAQI
8th Jul 2026282 AMAQI
8th Jul 2026273 AMAQI
8th Jul 2026264 AMAQI
8th Jul 2026265 AMAQI
23°C18/30°C
8th Jul 2026216 AMAQI
8th Jul 2026227 AMAQI
8th Jul 2026248 AMAQI
8th Jul 2026249 AMAQI
8th Jul 20262710 AMAQI
8th Jul 20263111 AMAQI
8th Jul 20263212 PMAQI
8th Jul 2026301 PMAQI
8th Jul 2026322 PMAQI
8th Jul 2026303 PMAQI
8th Jul 2026304 PMAQI
8th Jul 2026275 PMAQI
8th Jul 2026306 PMAQI
8th Jul 2026287 PMAQI
8th Jul 2026268 PMAQI
8th Jul 2026249 PMAQI
8th Jul 20262510 PMAQI
8th Jul 20262411 PMAQI
9th Jul 20262412 AMAQI
9th Jul 2026231 AMAQI
9th Jul 2026292 AMAQI
9th Jul 2026303 AMAQI
9th Jul 2026284 AMAQI
9th Jul 2026285 AMAQI
25°C16/33°C
9th Jul 2026276 AMAQI
9th Jul 2026287 AMAQI
9th Jul 2026258 AMAQI
9th Jul 2026279 AMAQI
9th Jul 20263010 AMAQI
9th Jul 20262811 AMAQI
9th Jul 20263012 PMAQI
9th Jul 2026301 PMAQI
9th Jul 2026292 PMAQI
9th Jul 2026283 PMAQI
9th Jul 2026324 PMAQI
9th Jul 2026305 PMAQI
9th Jul 2026306 PMAQI
9th Jul 2026307 PMAQI
9th Jul 2026308 PMAQI
9th Jul 2026339 PMAQI
9th Jul 20262810 PMAQI
9th Jul 20263011 PMAQI
10th Jul 20262612 AMAQI
10th Jul 2026261 AMAQI
10th Jul 2026242 AMAQI
10th Jul 2026283 AMAQI
10th Jul 2026314 AMAQI
10th Jul 2026325 AMAQI
26°C20/32°C
10th Jul 2026346 AMAQI
10th Jul 2026407 AMAQI
10th Jul 2026278 AMAQI
10th Jul 2026269 AMAQI
10th Jul 20262610 AMAQI
10th Jul 20263611 AMAQI
10th Jul 20263812 PMAQI
10th Jul 2026291 PMAQI
10th Jul 2026312 PMAQI
10th Jul 2026333 PMAQI
10th Jul 2026424 PMAQI
10th Jul 2026295 PMAQI
10th Jul 2026276 PMAQI
10th Jul 2026307 PMAQI
10th Jul 2026288 PMAQI
10th Jul 2026389 PMAQI
10th Jul 20263010 PMAQI
10th Jul 20263011 PMAQI
11th Jul 20262412 AMAQI
11th Jul 2026241 AMAQI
11th Jul 2026262 AMAQI
11th Jul 2026283 AMAQI
11th Jul 2026324 AMAQI
11th Jul 2026315 AMAQI
23°C20/28°C
11th Jul 2026556 AMAQI
11th Jul 2026297 AMAQI
11th Jul 2026328 AMAQI
11th Jul 2026359 AMAQI
11th Jul 20263210 AMAQI
11th Jul 20263211 AMAQI
11th Jul 20263612 PMAQI
11th Jul 2026331 PMAQI
11th Jul 2026322 PMAQI
11th Jul 2026293 PMAQI
11th Jul 2026294 PMAQI
11th Jul 2026335 PMAQI
11th Jul 2026426 PMAQI
11th Jul 2026317 PMAQI
11th Jul 2026328 PMAQI
11th Jul 2026309 PMAQI
11th Jul 20262910 PMAQI
11th Jul 20262811 PMAQI
12th Jul 20264112 AMAQI
12th Jul 2026251 AMAQI
12th Jul 2026222 AMAQI
12th Jul 2026253 AMAQI
12th Jul 2026324 AMAQI
12th Jul 2026425 AMAQI
24°C22/27°C
12th Jul 2026326 AMAQI
12th Jul 2026327 AMAQI
12th Jul 2026538 AMAQI
12th Jul 2026589 AMAQI
12th Jul 20265810 AMAQI
12th Jul 20265811 AMAQI
12th Jul 20265512 PMAQI
12th Jul 2026591 PMAQI
12th Jul 2026552 PMAQI
12th Jul 2026463 PMAQI
12th Jul 2026424 PMAQI
12th Jul 2026425 PMAQI
12th Jul 2026386 PMAQI
12th Jul 2026317 PMAQI
12th Jul 2026298 PMAQI
12th Jul 2026339 PMAQI
12th Jul 20262810 PMAQI
12th Jul 20263811 PMAQI
13th Jul 20262412 AMAQI
13th Jul 2026221 AMAQI
13th Jul 2026232 AMAQI
13th Jul 2026323 AMAQI
13th Jul 2026334 AMAQI
13th Jul 2026325 AMAQI
23°C16/31°C
13th Jul 2026326 AMAQI
13th Jul 2026317 AMAQI
13th Jul 2026428 AMAQI
13th Jul 2026349 AMAQI
13th Jul 20264010 AMAQI
13th Jul 20263411 AMAQI
13th Jul 20263512 PMAQI
13th Jul 2026381 PMAQI
13th Jul 2026332 PMAQI
13th Jul 2026293 PMAQI
13th Jul 2026374 PMAQI
13th Jul 2026345 PMAQI
13th Jul 2026326 PMAQI
13th Jul 2026267 PMAQI
13th Jul 2026368 PMAQI
13th Jul 2026369 PMAQI
13th Jul 20262610 PMAQI
13th Jul 20262511 PMAQI
14th Jul 20262212 AMAQI
14th Jul 2026211 AMAQI
14th Jul 2026222 AMAQI
14th Jul 2026243 AMAQI
14th Jul 2026324 AMAQI
14th Jul 2026325 AMAQI
26°C16/35°C
14th Jul 2026346 AMAQI
14th Jul 2026327 AMAQI
14th Jul 2026368 AMAQI
14th Jul 2026369 AMAQI
14th Jul 20263810 AMAQI
14th Jul 20263511 AMAQI
14th Jul 20263712 PMAQI
14th Jul 2026341 PMAQI
14th Jul 2026322 PMAQI
14th Jul 2026283 PMAQI
14th Jul 2026324 PMAQI
14th Jul 2026255 PMAQI
14th Jul 2026316 PMAQI
14th Jul 2026347 PMAQI
14th Jul 2026328 PMAQI
14th Jul 2026349 PMAQI
14th Jul 20262610 PMAQI
14th Jul 20262411 PMAQI
15th Jul 20262212 AMAQI
15th Jul 2026221 AMAQI
15th Jul 2026192 AMAQI
15th Jul 2026223 AMAQI
15th Jul 2026244 AMAQI
15th Jul 2026265 AMAQI
30°C21/39°C
15th Jul 2026246 AMAQI
15th Jul 2026757 AMAQI
15th Jul 2026248 AMAQI
15th Jul 2026309 AMAQI
15th Jul 20262810 AMAQI
15th Jul 20262711 AMAQI
15th Jul 20262812 PMAQI
15th Jul 2026301 PMAQI
15th Jul 2026302 PMAQI
15th Jul 2026293 PMAQI
15th Jul 20261064 PMAQI
15th Jul 2026485 PMAQI
15th Jul 2026846 PMAQI
15th Jul 2026887 PMAQI
15th Jul 2026828 PMAQI
15th Jul 2026979 PMAQI
15th Jul 20268110 PMAQI
15th Jul 20268111 PMAQI
16th Jul 20267812 AMAQI
16th Jul 2026761 AMAQI
16th Jul 2026762 AMAQI
16th Jul 2026723 AMAQI
16th Jul 2026824 AMAQI
16th Jul 2026865 AMAQI
28°C23/35°C
16th Jul 2026926 AMAQI
16th Jul 2026807 AMAQI
16th Jul 2026848 AMAQI
16th Jul 2026829 AMAQI
16th Jul 20268710 AMAQI
16th Jul 20268811 AMAQI
16th Jul 20269212 PMAQI
16th Jul 2026881 PMAQI
16th Jul 2026872 PMAQI
16th Jul 2026923 PMAQI
16th Jul 2026864 PMAQI
16th Jul 2026875 PMAQI
16th Jul 2026866 PMAQI
16th Jul 2026767 PMAQI
16th Jul 2026848 PMAQI
16th Jul 2026909 PMAQI
16th Jul 20268810 PMAQI
16th Jul 20268611 PMAQI
17th Jul 20267912 AMAQI
17th Jul 2026821 AMAQI
17th Jul 2026762 AMAQI
17th Jul 2026603 AMAQI
17th Jul 2026704 AMAQI
17th Jul 2026675 AMAQI
24°C19/31°C
17th Jul 20261746 AMAQI
17th Jul 20262727 AMAQI
17th Jul 20262978 AMAQI
17th Jul 20262789 AMAQI
17th Jul 202627910 AMAQI
17th Jul 202627611 AMAQI
17th Jul 202624312 PMAQI
17th Jul 20261651 PMAQI
17th Jul 2026812 PMAQI
17th Jul 2026653 PMAQI
17th Jul 2026704 PMAQI
17th Jul 2026715 PMAQI
17th Jul 2026656 PMAQI
17th Jul 2026657 PMAQI
17th Jul 2026708 PMAQI
17th Jul 2026629 PMAQI
17th Jul 20266810 PMAQI
17th Jul 20266511 PMAQI
18th Jul 20266412 AMAQI
18th Jul 2026641 AMAQI
18th Jul 2026602 AMAQI
18th Jul 2026593 AMAQI
18th Jul 2026644 AMAQI
18th Jul 2026655 AMAQI
23°C14/32°C
18th Jul 2026566 AMAQI
18th Jul 2026687 AMAQI
18th Jul 2026668 AMAQI
18th Jul 2026699 AMAQI
18th Jul 20266710 AMAQI
18th Jul 20266211 AMAQI
18th Jul 20266512 PMAQI
18th Jul 2026651 PMAQI
18th Jul 2026672 PMAQI
18th Jul 2026673 PMAQI
18th Jul 2026624 PMAQI
18th Jul 2026575 PMAQI
18th Jul 2026596 PMAQI
18th Jul 2026627 PMAQI
18th Jul 2026628 PMAQI
18th Jul 2026569 PMAQI
18th Jul 20266710 PMAQI
18th Jul 20267811 PMAQI
19th Jul 20266212 AMAQI
19th Jul 2026631 AMAQI
19th Jul 2026582 AMAQI
19th Jul 2026553 AMAQI
19th Jul 2026544 AMAQI
19th Jul 2026625 AMAQI
25°C21/34°C
19th Jul 2026656 AMAQI
19th Jul 2026657 AMAQI
19th Jul 2026728 AMAQI
19th Jul 20261359 AMAQI
19th Jul 202610810 AMAQI
19th Jul 202614511 AMAQI
19th Jul 202613212 PMAQI
19th Jul 2026921 PMAQI
19th Jul 20261102 PMAQI
19th Jul 20261093 PMAQI
19th Jul 20261054 PMAQI
19th Jul 20261125 PMAQI
19th Jul 2026886 PMAQI
19th Jul 2026997 PMAQI
19th Jul 2026528 PMAQI
19th Jul 2026489 PMAQI
19th Jul 20265310 PMAQI
19th Jul 20266211 PMAQI
20th Jul 20266212 AMAQI
20th Jul 2026691 AMAQI
20th Jul 2026652 AMAQI
20th Jul 2026623 AMAQI
20th Jul 2026604 AMAQI
20th Jul 2026605 AMAQI
21°C17/25°C
20th Jul 2026666 AMAQI
20th Jul 2026667 AMAQI
20th Jul 2026688 AMAQI
20th Jul 2026689 AMAQI
20th Jul 20267010 AMAQI
20th Jul 20267411 AMAQI
20th Jul 20268912 PMAQI
20th Jul 2026761 PMAQI
20th Jul 2026802 PMAQI
20th Jul 2026743 PMAQI
20th Jul 2026704 PMAQI
20th Jul 2026745 PMAQI
20th Jul 2026766 PMAQI
20th Jul 2026927 PMAQI
20th Jul 2026878 PMAQI
20th Jul 20261049 PMAQI
20th Jul 202610910 PMAQI
21st Jul 202610912 AMAQI
21st Jul 2026881 AMAQI
21st Jul 20261112 AMAQI
21st Jul 2026783 AMAQI
21st Jul 2026974 AMAQI
21st Jul 2026695 AMAQI
21°C11/30°C
21st Jul 2026786 AMAQI
21st Jul 2026667 AMAQI
21st Jul 20261028 AMAQI
21st Jul 2026689 AMAQI
21st Jul 20267310 AMAQI
21st Jul 202610011 AMAQI
21st Jul 20268612 PMAQI
21st Jul 2026811 PMAQI
21st Jul 2026712 PMAQI
21st Jul 2026443 PMAQI
21st Jul 2026304 PMAQI
21st Jul 2026315 PMAQI
21st Jul 2026316 PMAQI
21st Jul 2026277 PMAQI
21st Jul 2026338 PMAQI
21st Jul 2026219 PMAQI
21st Jul 20261810 PMAQI
21st Jul 20262011 PMAQI
22nd Jul 20261812 AMAQI
22nd Jul 2026181 AMAQI
22nd Jul 2026162 AMAQI
22nd Jul 2026143 AMAQI
22nd Jul 2026224 AMAQI
22nd Jul 2026255 AMAQI
24°C18/34°C
22nd Jul 2026366 AMAQI
22nd Jul 2026367 AMAQI
22nd Jul 2026338 AMAQI
22nd Jul 2026249 AMAQI
22nd Jul 20262910 AMAQI
22nd Jul 20262611 AMAQI
22nd Jul 20262212 PMAQI
22nd Jul 2026241 PMAQI
22nd Jul 2026202 PMAQI
22nd Jul 2026203 PMAQI
22nd Jul 2026224 PMAQI
22nd Jul 2026225 PMAQI
22nd Jul 2026206 PMAQI
22nd Jul 2026267 PMAQI
22nd Jul 2026248 PMAQI
22nd Jul 2026249 PMAQI
22nd Jul 20261910 PMAQI
22nd Jul 20261911 PMAQI
23rd Jul 20262012 AMAQI
23rd Jul 2026251 AMAQI
23rd Jul 2026272 AMAQI
23rd Jul 2026233 AMAQI
23rd Jul 2026204 AMAQI
23rd Jul 2026245 AMAQI
19°C16/23°C
23rd Jul 2026256 AMAQI
23rd Jul 2026247 AMAQI
23rd Jul 2026238 AMAQI
23rd Jul 2026249 AMAQI
23rd Jul 20262610 AMAQI
23rd Jul 20264211 AMAQI
23rd Jul 20264512 PMAQI
23rd Jul 2026331 PMAQI
23rd Jul 2026232 PMAQI
23rd Jul 2026273 PMAQI
23rd Jul 2026274 PMAQI
23rd Jul 2026335 PMAQI
23rd Jul 2026256 PMAQI
23rd Jul 2026227 PMAQI
23rd Jul 2026248 PMAQI
23rd Jul 2026239 PMAQI
23rd Jul 20263810 PMAQI
23rd Jul 20262211 PMAQI
24th Jul 20265112 AMAQI
24th Jul 2026461 AMAQI
24th Jul 2026292 AMAQI
24th Jul 2026293 AMAQI
24th Jul 2026244 AMAQI
24th Jul 2026255 AMAQI
19°C11/27°C
24th Jul 2026226 AMAQI
24th Jul 2026267 AMAQI
24th Jul 2026348 AMAQI
24th Jul 2026269 AMAQI
24th Jul 20262410 AMAQI
24th Jul 20262611 AMAQI
24th Jul 20262712 PMAQI
24th Jul 2026231 PMAQI
24th Jul 2026232 PMAQI
24th Jul 2026213 PMAQI
24th Jul 2026244 PMAQI
24th Jul 2026215 PMAQI
24th Jul 2026216 PMAQI
24th Jul 2026217 PMAQI
24th Jul 2026218 PMAQI
24th Jul 2026219 PMAQI
24th Jul 20262110 PMAQI
24th Jul 20262111 PMAQI
25th Jul 20262312 AMAQI
25th Jul 2026381 AMAQI
25th Jul 2026362 AMAQI
25th Jul 2026253 AMAQI
25th Jul 2026254 AMAQI
25th Jul 2026255 AMAQI
21°C11/29°C
25th Jul 2026276 AMAQI
25th Jul 2026277 AMAQI
25th Jul 2026368 AMAQI
25th Jul 2026369 AMAQI
25th Jul 20263210 AMAQI
25th Jul 20262511 AMAQI
25th Jul 20262512 PMAQI
25th Jul 2026251 PMAQI
25th Jul 2026252 PMAQI
25th Jul 2026273 PMAQI
25th Jul 2026254 PMAQI
25th Jul 2026235 PMAQI
25th Jul 2026236 PMAQI
25th Jul 2026257 PMAQI
25th Jul 2026258 PMAQI
25th Jul 2026239 PMAQI
25th Jul 20262510 PMAQI
25th Jul 20264611 PMAQI
26th Jul 20264612 AMAQI
26th Jul 2026521 AMAQI
26th Jul 2026522 AMAQI
26th Jul 2026523 AMAQI
26th Jul 2026514 AMAQI
26th Jul 2026485 AMAQI
22°C14/30°C
26th Jul 2026516 AMAQI
26th Jul 2026537 AMAQI
26th Jul 2026518 AMAQI
26th Jul 2026529 AMAQI
26th Jul 20265210 AMAQI
26th Jul 20265111 AMAQI
26th Jul 20264612 PMAQI
26th Jul 2026461 PMAQI
26th Jul 2026442 PMAQI
26th Jul 2026463 PMAQI
26th Jul 2026484 PMAQI
26th Jul 2026485 PMAQI
26th Jul 2026526 PMAQI
26th Jul 2026507 PMAQI
26th Jul 2026518 PMAQI
26th Jul 2026519 PMAQI
26th Jul 20264810 PMAQI
26th Jul 20265111 PMAQI
27th Jul 20265212 AMAQI
27th Jul 2026531 AMAQI
27th Jul 2026512 AMAQI
27th Jul 2026553 AMAQI
27th Jul 2026554 AMAQI
27th Jul 2026555 AMAQI
23°C17/30°C
27th Jul 2026556 AMAQI
27th Jul 2026587 AMAQI
27th Jul 2026578 AMAQI
27th Jul 2026609 AMAQI
27th Jul 20265810 AMAQI
27th Jul 20266211 AMAQI
27th Jul 20265812 PMAQI
27th Jul 2026601 PMAQI
27th Jul 2026602 PMAQI
27th Jul 2026623 PMAQI
27th Jul 2026584 PMAQI
27th Jul 2026565 PMAQI
27th Jul 2026566 PMAQI
27th Jul 2026557 PMAQI
27th Jul 2026558 PMAQI
27th Jul 2026569 PMAQI
27th Jul 20265610 PMAQI
27th Jul 20265811 PMAQI
28th Jul 20266012 AMAQI
28th Jul 2026641 AMAQI
28th Jul 2026692 AMAQI
28th Jul 2026593 AMAQI
28th Jul 2026584 AMAQI
28th Jul 2026645 AMAQI
25°C18/33°C
28th Jul 2026666 AMAQI
28th Jul 2026687 AMAQI
28th Jul 2026708 AMAQI
28th Jul 2026679 AMAQI
28th Jul 20266710 AMAQI
28th Jul 20266011 AMAQI
28th Jul 20266012 PMAQI
28th Jul 2026671 PMAQI
28th Jul 2026622 PMAQI
28th Jul 2026563 PMAQI
28th Jul 2026524 PMAQI
28th Jul 2026515 PMAQI
28th Jul 2026486 PMAQI
28th Jul 2026507 PMAQI
28th Jul 2026468 PMAQI
28th Jul 2026449 PMAQI
28th Jul 20264210 PMAQI
28th Jul 20264611 PMAQI
29th Jul 20264012 AMAQI
29th Jul 2026421 AMAQI
29th Jul 2026362 AMAQI
29th Jul 2026363 AMAQI
29th Jul 2026334 AMAQI
29th Jul 2026245 AMAQI
22°C19/26°C
29th Jul 2026236 AMAQI
29th Jul 2026267 AMAQI
29th Jul 2026208 AMAQI
29th Jul 2026189 AMAQI
29th Jul 20262010 AMAQI
29th Jul 20262011 AMAQI
29th Jul 20262112 PMAQI
29th Jul 2026201 PMAQI
29th Jul 2026182 PMAQI
29th Jul 2026193 PMAQI
29th Jul 2026224 PMAQI
29th Jul 2026205 PMAQI
29th Jul 2026306 PMAQI
29th Jul 2026217 PMAQI
29th Jul 2026218 PMAQI
29th Jul 2026189 PMAQI
29th Jul 20261910 PMAQI
29th Jul 20262111 PMAQI
30th Jul 20261712 AMAQI
30th Jul 2026431 AMAQI
30th Jul 2026212 AMAQI
30th Jul 2026203 AMAQI
30th Jul 2026334 AMAQI
30th Jul 2026265 AMAQI
22°C17/27°C
30th Jul 2026236 AMAQI
30th Jul 2026237 AMAQI
30th Jul 2026368 AMAQI
30th Jul 2026449 AMAQI
30th Jul 20264010 AMAQI
30th Jul 20262111 AMAQI
30th Jul 20262612 PMAQI
30th Jul 2026271 PMAQI
30th Jul 2026502 PMAQI
30th Jul 2026503 PMAQI
30th Jul 2026534 PMAQI
30th Jul 2026495 PMAQI
30th Jul 2026466 PMAQI
30th Jul 2026367 PMAQI
30th Jul 2026588 PMAQI
30th Jul 2026299 PMAQI
30th Jul 20265010 PMAQI
30th Jul 20265011 PMAQI
31st Jul 20265012 AMAQI
31st Jul 2026501 AMAQI
31st Jul 2026462 AMAQI
31st Jul 2026463 AMAQI
31st Jul 2026254 AMAQI
31st Jul 2026255 AMAQI
23°C16/30°C
31st Jul 2026216 AMAQI
31st Jul 2026367 AMAQI
31st Jul 2026448 AMAQI
31st Jul 2026409 AMAQI
31st Jul 20264610 AMAQI
31st Jul 20264811 AMAQI
31st Jul 20264812 PMAQI
31st Jul 2026521 PMAQI
31st Jul 2026532 PMAQI
31st Jul 2026543 PMAQI
31st Jul 2026584 PMAQI
31st Jul 2026545 PMAQI
31st Jul 2026486 PMAQI
31st Jul 2026497 PMAQI
31st Jul 2026478 PMAQI
31st Jul 2026529 PMAQI
31st Jul 20265610 PMAQI
31st Jul 20265511 PMAQI
1st Aug 20264612 AMAQI
1st Aug 2026511 AMAQI
1st Aug 2026462 AMAQI
1st Aug 2026563 AMAQI
1st Aug 2026584 AMAQI
1st Aug 2026625 AMAQI
24°C16/32°C
1st Aug 2026626 AMAQI
1st Aug 2026577 AMAQI
1st Aug 2026568 AMAQI
1st Aug 2026559 AMAQI
1st Aug 20265310 AMAQI
1st Aug 20265311 AMAQI
1st Aug 20265312 PMAQI
1st Aug 2026541 PMAQI
1st Aug 2026522 PMAQI
1st Aug 2026503 PMAQI
1st Aug 2026504 PMAQI
1st Aug 2026515 PMAQI
1st Aug 2026516 PMAQI
1st Aug 2026467 PMAQI
1st Aug 2026408 PMAQI
1st Aug 2026429 PMAQI
1st Aug 20264010 PMAQI
1st Aug 20264011 PMAQI
2nd Aug 20263312 AMAQI
2nd Aug 2026381 AMAQI
2nd Aug 2026362 AMAQI
2nd Aug 2026363 AMAQI
2nd Aug 2026334 AMAQI
2nd Aug 2026315 AMAQI
23°C20/30°C
2nd Aug 2026296 AMAQI
2nd Aug 2026297 AMAQI
2nd Aug 2026278 AMAQI
2nd Aug 2026259 AMAQI
2nd Aug 20262910 AMAQI
2nd Aug 20262711 AMAQI
2nd Aug 20262512 PMAQI
2nd Aug 2026251 PMAQI
2nd Aug 2026252 PMAQI
2nd Aug 2026233 PMAQI
2nd Aug 2026234 PMAQI
2nd Aug 2026215 PMAQI
2nd Aug 2026236 PMAQI
2nd Aug 2026217 PMAQI
2nd Aug 2026218 PMAQI
2nd Aug 2026239 PMAQI
2nd Aug 20263810 PMAQI
2nd Aug 20262111 PMAQI
3rd Aug 20262112 AMAQI
3rd Aug 2026231 AMAQI
3rd Aug 2026212 AMAQI
3rd Aug 2026213 AMAQI
3rd Aug 2026234 AMAQI
3rd Aug 2026275 AMAQI
21°C19/23°C
3rd Aug 2026346 AMAQI
3rd Aug 2026467 AMAQI
3rd Aug 2026468 AMAQI
3rd Aug 2026469 AMAQI
3rd Aug 20264210 AMAQI
3rd Aug 20264211 AMAQI
3rd Aug 20264712 PMAQI
3rd Aug 2026441 PMAQI
3rd Aug 2026642 PMAQI
3rd Aug 2026643 PMAQI
3rd Aug 2026654 PMAQI
3rd Aug 2026605 PMAQI
3rd Aug 2026226 PMAQI
3rd Aug 2026187 PMAQI
3rd Aug 2026408 PMAQI
3rd Aug 2026349 PMAQI
3rd Aug 20262910 PMAQI
3rd Aug 20262911 PMAQI
4th Aug 20263412 AMAQI
4th Aug 2026291 AMAQI
4th Aug 2026322 AMAQI
4th Aug 2026383 AMAQI
4th Aug 2026444 AMAQI
4th Aug 2026405 AMAQI
21°C16/27°C
4th Aug 2026426 AMAQI
4th Aug 2026337 AMAQI
4th Aug 2026318 AMAQI
4th Aug 2026369 AMAQI
4th Aug 20263610 AMAQI
4th Aug 20264611 AMAQI
4th Aug 20263812 PMAQI
4th Aug 2026501 PMAQI
4th Aug 2026382 PMAQI
4th Aug 2026423 PMAQI
4th Aug 2026264 PMAQI
4th Aug 2026255 PMAQI
4th Aug 2026386 PMAQI
4th Aug 2026337 PMAQI
4th Aug 2026468 PMAQI
4th Aug 2026239 PMAQI
4th Aug 20264210 PMAQI
4th Aug 20265111 PMAQI
5th Aug 20264012 AMAQI
5th Aug 2026291 AMAQI
5th Aug 2026332 AMAQI
5th Aug 2026503 AMAQI
5th Aug 2026404 AMAQI
5th Aug 2026405 AMAQI
21°C11/31°C
5th Aug 2026466 AMAQI
6 AM5th Aug 2026527 AMAQI
5th Aug 2026388 AMAQI
5th Aug 2026389 AMAQI
5th Aug 20263810 AMAQI
5th Aug 20265211 AMAQI
5th Aug 20262912 PMAQI
5th Aug 2026321 PMAQI
1 PM5th Aug 2026362 PMAQI
5th Aug 2026383 PMAQI
5th Aug 2026214 PMAQI
5th Aug 2026385 PMAQI
5th Aug 2026276 PMAQI
5th Aug 2026247 PMAQI
5th Aug 2026248 PMAQI
5th Aug 2026269 PMAQI
9 PM5th Aug 20262210 PMAQI
5th Aug 20262211 PMAQI
1 AM
5 AM
24°C14/33°C
Day time
Avg. Highest Time
11 AM
55AQI
1 hours / Day
30 hours / Month
Avg. Lowest Time
5 PM - 9 PM
42AQI
5 hours / Day
150 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 11 AM to 11 AM (Avg. 55), while the lowest AQI was between 5 PM to 9 PM (Avg. 42).
Night time
Avg. Highest Time
12 AM - 10 PM
41AQI
7 hours / Day
210 hours / Month
Avg. Lowest Time
12 AM - 3 AM
41AQI
4 hours / Day
120 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 12 AM to 10 PM (Avg. 41), while the lowest AQI was between 12 AM to 3 AM (Avg. 41).
2026 Days Vs Air Quality
Sarnia, Port Huron, Michigan, United States
2026
89%
190
10%
22
0.4%
1
Total number of days with different AQI categories in last 217 days in 2026 (148 days remaining)
Good
190 DaysModerate
22 DaysPoor
1 DaysUnhealthy
0 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 89%
Health Risk Level:
Low
In 2026, 89% of 217 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
Sarnia, Port Huron, Michigan, 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
19AQI (US)
19AQI (US)
2nd January 2026
24AQI (US)
24AQI (US)
3rd January 2026
34AQI (US)
34AQI (US)
4th January 2026
33AQI (US)
33AQI (US)
5th January 2026
50AQI (US)
50AQI (US)
6th January 2026
76AQI (US)
76AQI (US)
7th January 2026
50AQI (US)
50AQI (US)
8th January 2026
53AQI (US)
53AQI (US)
9th January 2026
26AQI (US)
26AQI (US)
10th January 2026
30AQI (US)
30AQI (US)
11th January 2026
23AQI (US)
23AQI (US)
12th January 2026
27AQI (US)
27AQI (US)
13th January 2026
37AQI (US)
37AQI (US)
14th January 2026
21AQI (US)
21AQI (US)
15th January 2026
14AQI (US)
14AQI (US)
16th January 2026
33AQI (US)
33AQI (US)
17th January 2026
45AQI (US)
45AQI (US)
18th January 2026
31AQI (US)
31AQI (US)
19th January 2026
34AQI (US)
34AQI (US)
20th January 2026
29AQI (US)
29AQI (US)
21st January 2026
37AQI (US)
37AQI (US)
22nd January 2026
59AQI (US)
59AQI (US)
23rd January 2026
60AQI (US)
60AQI (US)
24th January 2026
48AQI (US)
48AQI (US)
25th January 2026
51AQI (US)
51AQI (US)
26th January 2026
48AQI (US)
48AQI (US)
27th January 2026
39AQI (US)
39AQI (US)
28th January 2026
44AQI (US)
44AQI (US)
29th January 2026
50AQI (US)
50AQI (US)
30th January 2026
59AQI (US)
59AQI (US)
31st January 2026
44AQI (US)
44AQI (US)
1st February 2026
45AQI (US)
45AQI (US)
2nd February 2026
51AQI (US)
51AQI (US)
3rd February 2026
49AQI (US)
49AQI (US)
4th February 2026
45AQI (US)
45AQI (US)
5th February 2026
50AQI (US)
50AQI (US)
6th February 2026
50AQI (US)
50AQI (US)
7th February 2026
40AQI (US)
40AQI (US)
8th February 2026
43AQI (US)
43AQI (US)
9th February 2026
48AQI (US)
48AQI (US)
10th February 2026
45AQI (US)
45AQI (US)
11th February 2026
39AQI (US)
39AQI (US)
12th February 2026
39AQI (US)
39AQI (US)
13th February 2026
48AQI (US)
48AQI (US)
14th February 2026
48AQI (US)
48AQI (US)
15th February 2026
43AQI (US)
43AQI (US)
16th February 2026
46AQI (US)
46AQI (US)
17th February 2026
58AQI (US)
58AQI (US)
18th February 2026
43AQI (US)
43AQI (US)
19th February 2026
42AQI (US)
42AQI (US)
20th February 2026
42AQI (US)
42AQI (US)
21st February 2026
36AQI (US)
36AQI (US)
22nd February 2026
37AQI (US)
37AQI (US)
23rd February 2026
37AQI (US)
37AQI (US)
24th February 2026
46AQI (US)
46AQI (US)
25th February 2026
45AQI (US)
45AQI (US)
26th February 2026
34AQI (US)
34AQI (US)
27th February 2026
36AQI (US)
36AQI (US)
28th February 2026
35AQI (US)
35AQI (US)
1st March 2026
38AQI (US)
38AQI (US)
2nd March 2026
62AQI (US)
62AQI (US)
3rd March 2026
45AQI (US)
45AQI (US)
4th March 2026
48AQI (US)
48AQI (US)
5th March 2026
42AQI (US)
42AQI (US)
6th March 2026
36AQI (US)
36AQI (US)
7th March 2026
37AQI (US)
37AQI (US)
8th March 2026
38AQI (US)
38AQI (US)
9th March 2026
37AQI (US)
37AQI (US)
10th March 2026
34AQI (US)
34AQI (US)
11th March 2026
42AQI (US)
42AQI (US)
12th March 2026
38AQI (US)
38AQI (US)
13th March 2026
42AQI (US)
42AQI (US)
14th March 2026
36AQI (US)
36AQI (US)
15th March 2026
33AQI (US)
33AQI (US)
16th March 2026
39AQI (US)
39AQI (US)
17th March 2026
34AQI (US)
34AQI (US)
18th March 2026
31AQI (US)
31AQI (US)
19th March 2026
39AQI (US)
39AQI (US)
20th March 2026
42AQI (US)
42AQI (US)
21st March 2026
39AQI (US)
39AQI (US)
22nd March 2026
36AQI (US)
36AQI (US)
23rd March 2026
40AQI (US)
40AQI (US)
24th March 2026
37AQI (US)
37AQI (US)
25th March 2026
33AQI (US)
33AQI (US)
26th March 2026
37AQI (US)
37AQI (US)
27th March 2026
28AQI (US)
28AQI (US)
28th March 2026
31AQI (US)
31AQI (US)
29th March 2026
29AQI (US)
29AQI (US)
30th March 2026
26AQI (US)
26AQI (US)
31st March 2026
29AQI (US)
29AQI (US)
1st April 2026
30AQI (US)
30AQI (US)
2nd April 2026
30AQI (US)
30AQI (US)
3rd April 2026
29AQI (US)
29AQI (US)
4th April 2026
32AQI (US)
32AQI (US)
5th April 2026
30AQI (US)
30AQI (US)
6th April 2026
31AQI (US)
31AQI (US)
7th April 2026
28AQI (US)
28AQI (US)
8th April 2026
34AQI (US)
34AQI (US)
9th April 2026
29AQI (US)
29AQI (US)
10th April 2026
32AQI (US)
32AQI (US)
11th April 2026
31AQI (US)
31AQI (US)
12th April 2026
29AQI (US)
29AQI (US)
13th April 2026
32AQI (US)
32AQI (US)
14th April 2026
38AQI (US)
38AQI (US)
15th April 2026
36AQI (US)
36AQI (US)
16th April 2026
33AQI (US)
33AQI (US)
17th April 2026
18th April 2026
29AQI (US)
29AQI (US)
19th April 2026
33AQI (US)
33AQI (US)
20th April 2026
29AQI (US)
29AQI (US)
21st April 2026
28AQI (US)
28AQI (US)
22nd April 2026
23rd April 2026
25AQI (US)
25AQI (US)
24th April 2026
25AQI (US)
25AQI (US)
25th April 2026
28AQI (US)
28AQI (US)
26th April 2026
32AQI (US)
32AQI (US)
27th April 2026
27AQI (US)
27AQI (US)
28th April 2026
27AQI (US)
27AQI (US)
29th April 2026
24AQI (US)
24AQI (US)
30th April 2026
26AQI (US)
26AQI (US)
1st May 2026
27AQI (US)
27AQI (US)
2nd May 2026
23AQI (US)
23AQI (US)
3rd May 2026
23AQI (US)
23AQI (US)
4th May 2026
35AQI (US)
35AQI (US)
5th May 2026
38AQI (US)
38AQI (US)
6th May 2026
31AQI (US)
31AQI (US)
7th May 2026
27AQI (US)
27AQI (US)
8th May 2026
29AQI (US)
29AQI (US)
9th May 2026
10th May 2026
31AQI (US)
31AQI (US)
11th May 2026
27AQI (US)
27AQI (US)
12th May 2026
26AQI (US)
26AQI (US)
13th May 2026
36AQI (US)
36AQI (US)
14th May 2026
22AQI (US)
22AQI (US)
15th May 2026
46AQI (US)
46AQI (US)
16th May 2026
52AQI (US)
52AQI (US)
17th May 2026
56AQI (US)
56AQI (US)
18th May 2026
57AQI (US)
57AQI (US)
19th May 2026
55AQI (US)
55AQI (US)
20th May 2026
50AQI (US)
50AQI (US)
21st May 2026
44AQI (US)
44AQI (US)
22nd May 2026
44AQI (US)
44AQI (US)
23rd May 2026
51AQI (US)
51AQI (US)
24th May 2026
48AQI (US)
48AQI (US)
25th May 2026
45AQI (US)
45AQI (US)
26th May 2026
29AQI (US)
29AQI (US)
27th May 2026
28AQI (US)
28AQI (US)
28th May 2026
23AQI (US)
23AQI (US)
29th May 2026
23AQI (US)
23AQI (US)
30th May 2026
22AQI (US)
22AQI (US)
31st May 2026
28AQI (US)
28AQI (US)
1st June 2026
31AQI (US)
31AQI (US)
2nd June 2026
27AQI (US)
27AQI (US)
3rd June 2026
34AQI (US)
34AQI (US)
4th June 2026
26AQI (US)
26AQI (US)
5th June 2026
34AQI (US)
34AQI (US)
6th June 2026
27AQI (US)
27AQI (US)
7th June 2026
24AQI (US)
24AQI (US)
8th June 2026
26AQI (US)
26AQI (US)
9th June 2026
26AQI (US)
26AQI (US)
10th June 2026
27AQI (US)
27AQI (US)
11th June 2026
26AQI (US)
26AQI (US)
12th June 2026
26AQI (US)
26AQI (US)
13th June 2026
23AQI (US)
23AQI (US)
14th June 2026
22AQI (US)
22AQI (US)
15th June 2026
24AQI (US)
24AQI (US)
16th June 2026
27AQI (US)
27AQI (US)
17th June 2026
27AQI (US)
27AQI (US)
18th June 2026
27AQI (US)
27AQI (US)
19th June 2026
24AQI (US)
24AQI (US)
20th June 2026
24AQI (US)
24AQI (US)
21st June 2026
21AQI (US)
21AQI (US)
22nd June 2026
24AQI (US)
24AQI (US)
23rd June 2026
23AQI (US)
23AQI (US)
24th June 2026
24AQI (US)
24AQI (US)
25th June 2026
26AQI (US)
26AQI (US)
26th June 2026
27AQI (US)
27AQI (US)
27th June 2026
31AQI (US)
31AQI (US)
28th June 2026
27AQI (US)
27AQI (US)
29th June 2026
25AQI (US)
25AQI (US)
30th June 2026
26AQI (US)
26AQI (US)
1st July 2026
46AQI (US)
46AQI (US)
2nd July 2026
46AQI (US)
46AQI (US)
3rd July 2026
33AQI (US)
33AQI (US)
4th July 2026
26AQI (US)
26AQI (US)
5th July 2026
27AQI (US)
27AQI (US)
6th July 2026
27AQI (US)
27AQI (US)
7th July 2026
30AQI (US)
30AQI (US)
8th July 2026
27AQI (US)
27AQI (US)
9th July 2026
29AQI (US)
29AQI (US)
10th July 2026
31AQI (US)
31AQI (US)
11th July 2026
32AQI (US)
32AQI (US)
12th July 2026
41AQI (US)
41AQI (US)
13th July 2026
32AQI (US)
32AQI (US)
14th July 2026
31AQI (US)
31AQI (US)
15th July 2026
47AQI (US)
47AQI (US)
16th July 2026
84AQI (US)
84AQI (US)
17th July 2026
129AQI (US)
129AQI (US)
18th July 2026
64AQI (US)
64AQI (US)
19th July 2026
84AQI (US)
84AQI (US)
20th July 2026
75AQI (US)
75AQI (US)
21st July 2026
64AQI (US)
64AQI (US)
22nd July 2026
23AQI (US)
23AQI (US)
23rd July 2026
27AQI (US)
27AQI (US)
24th July 2026
26AQI (US)
26AQI (US)
25th July 2026
28AQI (US)
28AQI (US)
26th July 2026
50AQI (US)
50AQI (US)
27th July 2026
57AQI (US)
57AQI (US)
28th July 2026
58AQI (US)
58AQI (US)
29th July 2026
24AQI (US)
24AQI (US)
30th July 2026
36AQI (US)
36AQI (US)
31st July 2026
46AQI (US)
46AQI (US)
1st August 2026
51AQI (US)
51AQI (US)
2nd August 2026
28AQI (US)
28AQI (US)
3rd August 2026
38AQI (US)
38AQI (US)
4th August 2026
37AQI (US)
37AQI (US)
5th August 2026
6th August 2026
7th August 2026
8th August 2026
9th August 2026
10th August 2026
11th August 2026
12th August 2026
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
40AQI (US)
44AQI (US)
37AQI (US)
30AQI (US)
36AQI (US)
26AQI (US)
45AQI (US)
39AQI (US)
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202637AQI (US)
25
6
26
2
30
1
28
25
5
30
23
7
1
3
1
190
22
1
Highest AQI (US) recorded in
July45AQI (US)
Lowest AQI (US) recorded in
June26AQI (US)
202537AQI (US)
26
5
22
6
31
30
31
19
11
23
7
1
17
12
2
26
4
25
6
26
4
23
8
299
63
3
Highest AQI (US) recorded in
August50AQI (US)
Lowest AQI (US) recorded in
May22AQI (US)
202433AQI (US)
24
7
24
5
31
30
31
29
30
1
27
4
30
26
5
29
1
31
342
23
Highest AQI (US) recorded in
January38AQI (US)
Lowest AQI (US) recorded in
November28AQI (US)
202341AQI (US)
25
5
24
4
28
3
25
5
29
2
9
14
6
1
20
11
21
10
27
3
27
4
25
4
22
9
282
74
6
1
Highest AQI (US) recorded in
June76AQI (US)
Lowest AQI (US) recorded in
October32AQI (US)
202235AQI (US)
26
4
18
3
27
4
27
2
29
2
23
7
18
5
1
26
2
29
2
24
6
28
3
276
40
Highest AQI (US) recorded in
June40AQI (US)
Lowest AQI (US) recorded in
August24AQI (US)
202136AQI (US)
25
4
26
2
27
4
25
5
26
5
23
7
25
6
21
10
27
3
29
2
26
4
27
4
307
56
Highest AQI (US) recorded in
August44AQI (US)
Lowest AQI (US) recorded in
November31AQI (US)
202034AQI (US)
12
1
21
18
24
6
26
5
27
4
25
5
30
1
24
6
24
7
231
35
Highest AQI (US) recorded in
June38AQI (US)
Lowest AQI (US) recorded in
October26AQI (US)
Most & Least Polluted Years Over the Last 7 Years
Most Polluted Year Recorded
2023(Avg.)
41AQI (US)Least Polluted Year Recorded
2024(Avg.)
33AQI (US)Sarnia's annual 2026 AQI (US) (37) shows an average percentage change of 3.2% (worsened AQI (US)) compared to previous years: 2020 (34), 2021 (36), 2022 (35), 2023 (41), 2024 (33), 2025 (37).
