Huntsville, Ontario, Canada 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
Huntsville, Ontario, Canada
2021
2022
2023
2024
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
16th Aug 2023
82AQILowest AQI recorded on
14th Aug 2021
16AQISame Day Analysis (1st August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 2nd highest AQI at 44 of Good air quality, showing improvement over 2024 on the same day.
Download 2024 Annual Data
World Air Quality Report
Day & Night AQI Trend: 1st Aug - 2nd Aug 2025
Huntsville, Ontario, Canada
AQI
Day
Night
.
5 AM1st Aug 2025
8 PM
4 AM2nd Aug 2025
Day time
Avg. Highest Time
4PM1st Aug
51AQI
Avg. Lowest Time
6AM1st Aug
40AQI
Night time
Avg. Highest Time
4AM2nd Aug
51AQI
Avg. Lowest Time
11PM1st Aug
38AQI
In the last 24 hours,
Huntsville's AQI reached its highest point of 51 at 4 PM during the Day, while the lowest point, 38, was recorded at 11 PM during the Night between 1st Aug and 2nd Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Huntsville, Ontario, Canada
JulAug
03rd - 04th04th - 05th05th - 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
Day
Night
3rd Jul 2025455 AMAQI
3rd Jul 2025526 AMAQI
3rd Jul 2025487 AMAQI
3rd Jul 2025458 AMAQI
3rd Jul 2025469 AMAQI
3rd Jul 20254610 AMAQI
3rd Jul 20254511 AMAQI
3rd Jul 20254312 PMAQI
3rd Jul 2025441 PMAQI
3rd Jul 2025432 PMAQI
3rd Jul 2025433 PMAQI
3rd Jul 2025454 PMAQI
3rd Jul 2025455 PMAQI
3rd Jul 2025446 PMAQI
3rd Jul 2025437 PMAQI
3rd Jul 2025428 PMAQI
3rd Jul 2025459 PMAQI
3rd Jul 20254610 PMAQI
3rd Jul 20254311 PMAQI
4th Jul 20254512 AMAQI
4th Jul 2025461 AMAQI
4th Jul 2025482 AMAQI
4th Jul 2025483 AMAQI
4th Jul 2025544 AMAQI
18°C15/21°C
4th Jul 2025495 AMAQI
4th Jul 2025486 AMAQI
4th Jul 2025487 AMAQI
4th Jul 2025488 AMAQI
4th Jul 2025489 AMAQI
4th Jul 20254710 AMAQI
4th Jul 20254411 AMAQI
4th Jul 20254412 PMAQI
4th Jul 2025451 PMAQI
4th Jul 2025442 PMAQI
4th Jul 2025463 PMAQI
4th Jul 2025464 PMAQI
4th Jul 2025465 PMAQI
4th Jul 2025466 PMAQI
4th Jul 2025467 PMAQI
4th Jul 2025468 PMAQI
4th Jul 2025469 PMAQI
4th Jul 20254610 PMAQI
4th Jul 20254911 PMAQI
5th Jul 20255712 AMAQI
5th Jul 2025681 AMAQI
5th Jul 20251132 AMAQI
5th Jul 20251013 AMAQI
5th Jul 2025984 AMAQI
18°C9/23°C
5th Jul 20251055 AMAQI
5th Jul 2025926 AMAQI
5th Jul 2025877 AMAQI
5th Jul 2025788 AMAQI
5th Jul 2025659 AMAQI
5th Jul 20256210 AMAQI
5th Jul 20256011 AMAQI
5th Jul 20255912 PMAQI
5th Jul 2025591 PMAQI
5th Jul 2025582 PMAQI
5th Jul 2025593 PMAQI
5th Jul 2025554 PMAQI
5th Jul 2025605 PMAQI
5th Jul 2025586 PMAQI
5th Jul 2025617 PMAQI
5th Jul 2025648 PMAQI
5th Jul 2025629 PMAQI
5th Jul 20256010 PMAQI
5th Jul 20256111 PMAQI
6th Jul 20256312 AMAQI
6th Jul 2025611 AMAQI
6th Jul 2025532 AMAQI
6th Jul 2025543 AMAQI
6th Jul 2025554 AMAQI
22°C15/30°C
6th Jul 2025555 AMAQI
6th Jul 2025566 AMAQI
6th Jul 2025557 AMAQI
6th Jul 2025568 AMAQI
6th Jul 2025579 AMAQI
6th Jul 20255610 AMAQI
6th Jul 20255511 AMAQI
6th Jul 20255612 PMAQI
6th Jul 2025551 PMAQI
6th Jul 2025552 PMAQI
6th Jul 2025553 PMAQI
6th Jul 2025554 PMAQI
6th Jul 2025545 PMAQI
6th Jul 2025546 PMAQI
6th Jul 2025557 PMAQI
6th Jul 2025568 PMAQI
6th Jul 2025559 PMAQI
6th Jul 20255510 PMAQI
6th Jul 20255511 PMAQI
7th Jul 20255512 AMAQI
7th Jul 2025521 AMAQI
7th Jul 2025462 AMAQI
7th Jul 2025463 AMAQI
7th Jul 2025474 AMAQI
24°C16/30°C
7th Jul 2025465 AMAQI
7th Jul 2025476 AMAQI
7th Jul 2025487 AMAQI
7th Jul 2025488 AMAQI
7th Jul 2025509 AMAQI
7th Jul 20255010 AMAQI
7th Jul 20255011 AMAQI
7th Jul 20254912 PMAQI
7th Jul 2025491 PMAQI
7th Jul 2025482 PMAQI
7th Jul 2025493 PMAQI
7th Jul 2025504 PMAQI
7th Jul 2025505 PMAQI
7th Jul 2025496 PMAQI
7th Jul 2025487 PMAQI
7th Jul 2025488 PMAQI
7th Jul 2025479 PMAQI
7th Jul 20254710 PMAQI
7th Jul 20254811 PMAQI
8th Jul 20254612 AMAQI
8th Jul 2025461 AMAQI
8th Jul 2025422 AMAQI
8th Jul 2025443 AMAQI
8th Jul 2025454 AMAQI
17°C13/22°C
8th Jul 2025465 AMAQI
8th Jul 2025476 AMAQI
8th Jul 2025477 AMAQI
8th Jul 2025478 AMAQI
8th Jul 2025489 AMAQI
8th Jul 20254710 AMAQI
8th Jul 20254811 AMAQI
8th Jul 20254712 PMAQI
8th Jul 2025481 PMAQI
8th Jul 2025482 PMAQI
8th Jul 2025483 PMAQI
8th Jul 2025484 PMAQI
8th Jul 2025495 PMAQI
8th Jul 2025476 PMAQI
8th Jul 2025477 PMAQI
8th Jul 2025468 PMAQI
8th Jul 2025439 PMAQI
8th Jul 20254410 PMAQI
8th Jul 20254411 PMAQI
9th Jul 20254412 AMAQI
9th Jul 2025431 AMAQI
9th Jul 2025372 AMAQI
9th Jul 2025373 AMAQI
9th Jul 2025364 AMAQI
18°C9/24°C
9th Jul 2025385 AMAQI
9th Jul 2025396 AMAQI
9th Jul 2025397 AMAQI
9th Jul 2025408 AMAQI
9th Jul 2025429 AMAQI
9th Jul 20254410 AMAQI
9th Jul 20254411 AMAQI
9th Jul 20254212 PMAQI
9th Jul 2025431 PMAQI
9th Jul 2025442 PMAQI
9th Jul 2025463 PMAQI
9th Jul 2025474 PMAQI
9th Jul 2025455 PMAQI
9th Jul 2025446 PMAQI
9th Jul 2025437 PMAQI
9th Jul 2025428 PMAQI
9th Jul 2025389 PMAQI
9th Jul 20253810 PMAQI
9th Jul 20253911 PMAQI
10th Jul 20253812 AMAQI
10th Jul 2025381 AMAQI
10th Jul 2025342 AMAQI
10th Jul 2025343 AMAQI
10th Jul 2025354 AMAQI
20°C11/25°C
10th Jul 2025345 AMAQI
10th Jul 2025366 AMAQI
10th Jul 2025347 AMAQI
10th Jul 2025338 AMAQI
10th Jul 2025339 AMAQI
10th Jul 20253210 AMAQI
10th Jul 20253311 AMAQI
10th Jul 20253312 PMAQI
10th Jul 2025361 PMAQI
10th Jul 2025392 PMAQI
10th Jul 2025383 PMAQI
10th Jul 2025394 PMAQI
10th Jul 2025375 PMAQI
10th Jul 2025376 PMAQI
10th Jul 2025347 PMAQI
10th Jul 2025358 PMAQI
10th Jul 2025339 PMAQI
10th Jul 20253410 PMAQI
10th Jul 20253311 PMAQI
11th Jul 20253312 AMAQI
11th Jul 2025331 AMAQI
11th Jul 2025312 AMAQI
11th Jul 2025333 AMAQI
11th Jul 2025364 AMAQI
21°C13/25°C
11th Jul 2025365 AMAQI
11th Jul 2025356 AMAQI
11th Jul 2025357 AMAQI
11th Jul 2025358 AMAQI
11th Jul 2025359 AMAQI
11th Jul 20253510 AMAQI
11th Jul 20253511 AMAQI
11th Jul 20253612 PMAQI
11th Jul 2025371 PMAQI
11th Jul 2025362 PMAQI
11th Jul 2025383 PMAQI
11th Jul 2025374 PMAQI
11th Jul 2025365 PMAQI
11th Jul 2025366 PMAQI
11th Jul 2025357 PMAQI
11th Jul 2025368 PMAQI
11th Jul 2025359 PMAQI
11th Jul 20253410 PMAQI
11th Jul 20253611 PMAQI
12th Jul 20253712 AMAQI
12th Jul 2025391 AMAQI
12th Jul 2025412 AMAQI
12th Jul 2025383 AMAQI
12th Jul 2025404 AMAQI
20°C10/27°C
12th Jul 2025425 AMAQI
12th Jul 2025406 AMAQI
12th Jul 2025407 AMAQI
12th Jul 2025418 AMAQI
12th Jul 2025399 AMAQI
12th Jul 20254110 AMAQI
12th Jul 20254311 AMAQI
12th Jul 20254412 PMAQI
12th Jul 2025461 PMAQI
12th Jul 2025472 PMAQI
12th Jul 2025453 PMAQI
12th Jul 2025474 PMAQI
12th Jul 2025475 PMAQI
12th Jul 2025466 PMAQI
12th Jul 2025447 PMAQI
12th Jul 2025448 PMAQI
12th Jul 2025489 PMAQI
12th Jul 20254810 PMAQI
12th Jul 20254911 PMAQI
13th Jul 20254812 AMAQI
13th Jul 2025491 AMAQI
13th Jul 2025502 AMAQI
13th Jul 2025493 AMAQI
13th Jul 2025484 AMAQI
24°C17/29°C
13th Jul 2025495 AMAQI
13th Jul 2025476 AMAQI
13th Jul 2025497 AMAQI
13th Jul 2025488 AMAQI
13th Jul 2025479 AMAQI
13th Jul 20254410 AMAQI
13th Jul 20254311 AMAQI
13th Jul 20254312 PMAQI
13th Jul 2025441 PMAQI
13th Jul 2025452 PMAQI
13th Jul 2025473 PMAQI
13th Jul 2025484 PMAQI
13th Jul 2025495 PMAQI
13th Jul 2025506 PMAQI
13th Jul 2025517 PMAQI
13th Jul 2025468 PMAQI
13th Jul 2025419 PMAQI
13th Jul 20254010 PMAQI
13th Jul 20254111 PMAQI
14th Jul 20254012 AMAQI
14th Jul 2025391 AMAQI
14th Jul 2025332 AMAQI
14th Jul 2025333 AMAQI
14th Jul 2025334 AMAQI
23°C19/26°C
14th Jul 2025335 AMAQI
14th Jul 2025336 AMAQI
14th Jul 2025357 AMAQI
14th Jul 2025368 AMAQI
14th Jul 2025379 AMAQI
14th Jul 20253710 AMAQI
14th Jul 20253711 AMAQI
14th Jul 20253912 PMAQI
14th Jul 2025411 PMAQI
14th Jul 2025422 PMAQI
14th Jul 2025413 PMAQI
14th Jul 2025414 PMAQI
14th Jul 2025405 PMAQI
14th Jul 2025406 PMAQI
14th Jul 2025387 PMAQI
14th Jul 2025388 PMAQI
14th Jul 2025389 PMAQI
14th Jul 20253910 PMAQI
14th Jul 20253811 PMAQI
15th Jul 20253812 AMAQI
15th Jul 2025381 AMAQI
15th Jul 2025392 AMAQI
15th Jul 2025433 AMAQI
15th Jul 2025444 AMAQI
21°C13/28°C
15th Jul 2025425 AMAQI
15th Jul 2025456 AMAQI
15th Jul 2025487 AMAQI
15th Jul 2025508 AMAQI
15th Jul 2025519 AMAQI
15th Jul 20255210 AMAQI
15th Jul 20254611 AMAQI
15th Jul 20254612 PMAQI
15th Jul 2025451 PMAQI
15th Jul 2025452 PMAQI
15th Jul 2025453 PMAQI
15th Jul 2025454 PMAQI
15th Jul 2025465 PMAQI
15th Jul 2025466 PMAQI
15th Jul 2025457 PMAQI
15th Jul 2025468 PMAQI
15th Jul 2025459 PMAQI
15th Jul 20254410 PMAQI
15th Jul 20254511 PMAQI
16th Jul 20254412 AMAQI
16th Jul 2025451 AMAQI
16th Jul 2025452 AMAQI
16th Jul 2025453 AMAQI
16th Jul 2025484 AMAQI
23°C15/29°C
16th Jul 2025505 AMAQI
16th Jul 2025546 AMAQI
16th Jul 2025537 AMAQI
16th Jul 2025558 AMAQI
16th Jul 2025529 AMAQI
16th Jul 20255010 AMAQI
16th Jul 20255011 AMAQI
16th Jul 20254712 PMAQI
16th Jul 2025481 PMAQI
16th Jul 2025452 PMAQI
16th Jul 2025473 PMAQI
16th Jul 2025484 PMAQI
16th Jul 2025465 PMAQI
16th Jul 2025486 PMAQI
16th Jul 2025487 PMAQI
16th Jul 2025488 PMAQI
16th Jul 2025479 PMAQI
16th Jul 20254810 PMAQI
16th Jul 20254611 PMAQI
17th Jul 20254512 AMAQI
17th Jul 2025441 AMAQI
17th Jul 2025412 AMAQI
17th Jul 2025423 AMAQI
17th Jul 2025414 AMAQI
25°C17/30°C
17th Jul 2025425 AMAQI
17th Jul 2025426 AMAQI
17th Jul 2025447 AMAQI
17th Jul 2025418 AMAQI
17th Jul 2025429 AMAQI
17th Jul 20254010 AMAQI
17th Jul 20254011 AMAQI
17th Jul 20254112 PMAQI
17th Jul 2025421 PMAQI
17th Jul 2025402 PMAQI
17th Jul 2025383 PMAQI
17th Jul 2025384 PMAQI
17th Jul 2025375 PMAQI
17th Jul 2025366 PMAQI
17th Jul 2025377 PMAQI
17th Jul 2025378 PMAQI
17th Jul 2025389 PMAQI
17th Jul 20253810 PMAQI
17th Jul 20253211 PMAQI
18th Jul 20253312 AMAQI
18th Jul 2025301 AMAQI
18th Jul 2025222 AMAQI
18th Jul 2025203 AMAQI
18th Jul 2025214 AMAQI
18°C12/24°C
18th Jul 2025215 AMAQI
18th Jul 2025226 AMAQI
18th Jul 2025227 AMAQI
18th Jul 2025248 AMAQI
18th Jul 2025249 AMAQI
18th Jul 20252410 AMAQI
18th Jul 20252411 AMAQI
18th Jul 20252512 PMAQI
18th Jul 2025261 PMAQI
18th Jul 2025272 PMAQI
18th Jul 2025273 PMAQI
18th Jul 2025274 PMAQI
18th Jul 2025285 PMAQI
18th Jul 2025286 PMAQI
18th Jul 2025297 PMAQI
18th Jul 2025298 PMAQI
18th Jul 2025269 PMAQI
18th Jul 20252610 PMAQI
18th Jul 20252911 PMAQI
19th Jul 20252912 AMAQI
19th Jul 2025281 AMAQI
19th Jul 2025272 AMAQI
19th Jul 2025293 AMAQI
19th Jul 2025324 AMAQI
16°C7/22°C
19th Jul 2025325 AMAQI
19th Jul 2025326 AMAQI
19th Jul 2025327 AMAQI
19th Jul 2025308 AMAQI
19th Jul 2025309 AMAQI
19th Jul 20252910 AMAQI
19th Jul 20252911 AMAQI
19th Jul 20253112 PMAQI
19th Jul 2025321 PMAQI
19th Jul 2025322 PMAQI
19th Jul 2025323 PMAQI
19th Jul 2025324 PMAQI
19th Jul 2025325 PMAQI
19th Jul 2025326 PMAQI
19th Jul 2025307 PMAQI
19th Jul 2025298 PMAQI
19th Jul 2025319 PMAQI
19th Jul 20253410 PMAQI
19th Jul 20253211 PMAQI
20th Jul 20253412 AMAQI
20th Jul 2025341 AMAQI
20th Jul 2025332 AMAQI
20th Jul 2025353 AMAQI
20th Jul 2025364 AMAQI
17°C11/24°C
20th Jul 2025345 AMAQI
20th Jul 2025366 AMAQI
20th Jul 2025367 AMAQI
20th Jul 2025378 AMAQI
20th Jul 2025349 AMAQI
20th Jul 20253510 AMAQI
20th Jul 20253511 AMAQI
20th Jul 20253412 PMAQI
20th Jul 2025351 PMAQI
20th Jul 2025362 PMAQI
20th Jul 2025373 PMAQI
20th Jul 2025384 PMAQI
20th Jul 2025395 PMAQI
20th Jul 2025386 PMAQI
20th Jul 2025397 PMAQI
20th Jul 2025388 PMAQI
20th Jul 2025349 PMAQI
20th Jul 20253410 PMAQI
20th Jul 20253511 PMAQI
21st Jul 20253612 AMAQI
21st Jul 2025371 AMAQI
21st Jul 2025402 AMAQI
21st Jul 2025393 AMAQI
21st Jul 2025364 AMAQI
19°C16/23°C
21st Jul 2025365 AMAQI
21st Jul 2025376 AMAQI
21st Jul 2025377 AMAQI
21st Jul 2025378 AMAQI
21st Jul 2025409 AMAQI
21st Jul 20254210 AMAQI
21st Jul 20254011 AMAQI
21st Jul 20253912 PMAQI
21st Jul 2025381 PMAQI
21st Jul 2025392 PMAQI
21st Jul 2025403 PMAQI
21st Jul 2025414 PMAQI
21st Jul 2025405 PMAQI
21st Jul 2025386 PMAQI
21st Jul 2025387 PMAQI
21st Jul 2025388 PMAQI
21st Jul 2025409 PMAQI
21st Jul 20254010 PMAQI
21st Jul 20253811 PMAQI
22nd Jul 20253712 AMAQI
22nd Jul 2025351 AMAQI
22nd Jul 2025312 AMAQI
22nd Jul 2025283 AMAQI
22nd Jul 2025304 AMAQI
15°C9/19°C
22nd Jul 2025315 AMAQI
22nd Jul 2025346 AMAQI
22nd Jul 2025317 AMAQI
22nd Jul 2025338 AMAQI
22nd Jul 2025369 AMAQI
22nd Jul 20253710 AMAQI
22nd Jul 20253711 AMAQI
22nd Jul 20254012 PMAQI
22nd Jul 2025371 PMAQI
22nd Jul 2025362 PMAQI
22nd Jul 2025373 PMAQI
22nd Jul 2025374 PMAQI
22nd Jul 2025385 PMAQI
22nd Jul 2025376 PMAQI
22nd Jul 2025347 PMAQI
22nd Jul 2025338 PMAQI
22nd Jul 2025319 PMAQI
22nd Jul 20253210 PMAQI
22nd Jul 20253111 PMAQI
23rd Jul 20253212 AMAQI
23rd Jul 2025321 AMAQI
23rd Jul 2025282 AMAQI
23rd Jul 2025303 AMAQI
23rd Jul 2025294 AMAQI
16°C8/22°C
23rd Jul 2025305 AMAQI
23rd Jul 2025306 AMAQI
23rd Jul 2025337 AMAQI
23rd Jul 2025318 AMAQI
23rd Jul 2025309 AMAQI
23rd Jul 20253010 AMAQI
23rd Jul 20253211 AMAQI
23rd Jul 20253212 PMAQI
23rd Jul 2025321 PMAQI
23rd Jul 2025342 PMAQI
23rd Jul 2025343 PMAQI
23rd Jul 2025344 PMAQI
23rd Jul 2025345 PMAQI
23rd Jul 2025346 PMAQI
23rd Jul 2025337 PMAQI
23rd Jul 2025338 PMAQI
23rd Jul 2025339 PMAQI
23rd Jul 20253410 PMAQI
23rd Jul 20253511 PMAQI
24th Jul 20253512 AMAQI
24th Jul 2025361 AMAQI
24th Jul 2025372 AMAQI
24th Jul 2025393 AMAQI
24th Jul 2025394 AMAQI
20°C14/26°C
24th Jul 2025405 AMAQI
24th Jul 2025396 AMAQI
24th Jul 2025407 AMAQI
24th Jul 2025418 AMAQI
24th Jul 2025429 AMAQI
24th Jul 20254310 AMAQI
24th Jul 20254411 AMAQI
24th Jul 20254312 PMAQI
24th Jul 2025461 PMAQI
24th Jul 2025462 PMAQI
24th Jul 2025443 PMAQI
24th Jul 2025444 PMAQI
24th Jul 2025455 PMAQI
24th Jul 2025446 PMAQI
24th Jul 2025457 PMAQI
24th Jul 2025468 PMAQI
24th Jul 2025439 PMAQI
24th Jul 20254210 PMAQI
24th Jul 20254211 PMAQI
25th Jul 20254212 AMAQI
25th Jul 2025401 AMAQI
25th Jul 2025332 AMAQI
25th Jul 2025313 AMAQI
25th Jul 2025304 AMAQI
23°C17/28°C
25th Jul 2025285 AMAQI
25th Jul 2025286 AMAQI
25th Jul 2025297 AMAQI
25th Jul 2025308 AMAQI
25th Jul 2025309 AMAQI
25th Jul 20253010 AMAQI
25th Jul 20252911 AMAQI
25th Jul 20252812 PMAQI
25th Jul 2025301 PMAQI
25th Jul 2025352 PMAQI
25th Jul 2025403 PMAQI
25th Jul 2025374 PMAQI
25th Jul 2025325 PMAQI
25th Jul 2025336 PMAQI
25th Jul 2025357 PMAQI
25th Jul 2025388 PMAQI
25th Jul 2025329 PMAQI
25th Jul 20253110 PMAQI
25th Jul 20253211 PMAQI
26th Jul 20253212 AMAQI
26th Jul 2025311 AMAQI
26th Jul 2025342 AMAQI
26th Jul 2025373 AMAQI
26th Jul 2025384 AMAQI
23°C19/27°C
26th Jul 2025355 AMAQI
26th Jul 2025386 AMAQI
26th Jul 2025377 AMAQI
26th Jul 2025378 AMAQI
26th Jul 2025399 AMAQI
26th Jul 20253910 AMAQI
26th Jul 20254011 AMAQI
26th Jul 20254412 PMAQI
26th Jul 2025441 PMAQI
26th Jul 2025452 PMAQI
26th Jul 2025423 PMAQI
26th Jul 2025414 PMAQI
26th Jul 2025395 PMAQI
26th Jul 2025386 PMAQI
26th Jul 2025367 PMAQI
26th Jul 2025368 PMAQI
26th Jul 2025369 PMAQI
26th Jul 20253610 PMAQI
26th Jul 20253711 PMAQI
27th Jul 20253812 AMAQI
27th Jul 2025361 AMAQI
27th Jul 2025312 AMAQI
27th Jul 2025303 AMAQI
27th Jul 2025294 AMAQI
22°C15/28°C
27th Jul 2025285 AMAQI
27th Jul 2025296 AMAQI
27th Jul 2025307 AMAQI
27th Jul 2025288 AMAQI
27th Jul 2025299 AMAQI
27th Jul 20252710 AMAQI
27th Jul 20252711 AMAQI
27th Jul 20252712 PMAQI
27th Jul 2025271 PMAQI
27th Jul 2025292 PMAQI
27th Jul 2025333 PMAQI
27th Jul 2025334 PMAQI
27th Jul 2025345 PMAQI
27th Jul 2025326 PMAQI
27th Jul 2025337 PMAQI
27th Jul 2025328 PMAQI
27th Jul 2025329 PMAQI
27th Jul 20253210 PMAQI
27th Jul 20253411 PMAQI
28th Jul 20253412 AMAQI
28th Jul 2025331 AMAQI
28th Jul 2025352 AMAQI
28th Jul 2025363 AMAQI
28th Jul 2025374 AMAQI
23°C20/27°C
28th Jul 2025365 AMAQI
28th Jul 2025366 AMAQI
28th Jul 2025377 AMAQI
28th Jul 2025418 AMAQI
28th Jul 2025499 AMAQI
28th Jul 20254810 AMAQI
28th Jul 20255611 AMAQI
28th Jul 20254312 PMAQI
28th Jul 2025421 PMAQI
28th Jul 2025402 PMAQI
28th Jul 2025413 PMAQI
28th Jul 2025414 PMAQI
28th Jul 2025415 PMAQI
28th Jul 2025416 PMAQI
28th Jul 2025407 PMAQI
28th Jul 2025418 PMAQI
28th Jul 2025429 PMAQI
28th Jul 20254210 PMAQI
28th Jul 20254111 PMAQI
29th Jul 20254112 AMAQI
29th Jul 2025401 AMAQI
29th Jul 2025342 AMAQI
29th Jul 2025343 AMAQI
29th Jul 2025344 AMAQI
23°C15/30°C
29th Jul 2025335 AMAQI
29th Jul 2025336 AMAQI
29th Jul 2025357 AMAQI
29th Jul 2025368 AMAQI
29th Jul 2025369 AMAQI
29th Jul 20253910 AMAQI
29th Jul 20254111 AMAQI
29th Jul 20254412 PMAQI
29th Jul 2025441 PMAQI
29th Jul 2025462 PMAQI
29th Jul 2025483 PMAQI
29th Jul 2025454 PMAQI
29th Jul 2025425 PMAQI
29th Jul 2025426 PMAQI
29th Jul 2025417 PMAQI
29th Jul 2025418 PMAQI
29th Jul 2025429 PMAQI
29th Jul 20254110 PMAQI
29th Jul 20254211 PMAQI
30th Jul 20254312 AMAQI
30th Jul 2025451 AMAQI
30th Jul 2025482 AMAQI
30th Jul 2025453 AMAQI
30th Jul 2025494 AMAQI
20°C15/24°C
30th Jul 2025485 AMAQI
30th Jul 2025506 AMAQI
30th Jul 2025507 AMAQI
30th Jul 2025488 AMAQI
30th Jul 2025499 AMAQI
30th Jul 20254910 AMAQI
30th Jul 20254911 AMAQI
30th Jul 20255312 PMAQI
30th Jul 2025511 PMAQI
30th Jul 2025532 PMAQI
30th Jul 2025533 PMAQI
30th Jul 2025524 PMAQI
30th Jul 2025525 PMAQI
30th Jul 2025516 PMAQI
30th Jul 2025527 PMAQI
30th Jul 2025528 PMAQI
30th Jul 2025489 PMAQI
30th Jul 20254910 PMAQI
30th Jul 20254911 PMAQI
31st Jul 20254912 AMAQI
31st Jul 2025481 AMAQI
31st Jul 2025482 AMAQI
31st Jul 2025513 AMAQI
31st Jul 2025524 AMAQI
20°C15/24°C
31st Jul 2025505 AMAQI
31st Jul 2025526 AMAQI
31st Jul 2025537 AMAQI
31st Jul 2025648 AMAQI
31st Jul 2025769 AMAQI
31st Jul 20256810 AMAQI
31st Jul 20256211 AMAQI
31st Jul 20256112 PMAQI
31st Jul 2025611 PMAQI
31st Jul 2025602 PMAQI
31st Jul 2025633 PMAQI
31st Jul 2025604 PMAQI
31st Jul 2025595 PMAQI
31st Jul 2025566 PMAQI
31st Jul 2025537 PMAQI
31st Jul 2025508 PMAQI
31st Jul 2025729 PMAQI
31st Jul 20255910 PMAQI
31st Jul 20254511 PMAQI
1st Aug 20254312 AMAQI
1st Aug 2025431 AMAQI
1st Aug 2025492 AMAQI
1st Aug 2025523 AMAQI
1st Aug 2025414 AMAQI
17°C12/21°C
1st Aug 2025425 AMAQI
1st Aug 2025406 AMAQI
1st Aug 2025417 AMAQI
1st Aug 2025438 AMAQI
1st Aug 2025479 AMAQI
1st Aug 20254310 AMAQI
1st Aug 20254511 AMAQI
1st Aug 20254612 PMAQI
1st Aug 2025461 PMAQI
1st Aug 2025472 PMAQI
1st Aug 2025493 PMAQI
1st Aug 2025514 PMAQI
1st Aug 2025505 PMAQI
1st Aug 2025476 PMAQI
1st Aug 2025447 PMAQI
1st Aug 2025428 PMAQI
1st Aug 2025419 PMAQI
1st Aug 20254110 PMAQI
1st Aug 20253811 PMAQI
2nd Aug 20254212 AMAQI
2nd Aug 2025451 AMAQI
2nd Aug 2025482 AMAQI
2nd Aug 2025493 AMAQI
2nd Aug 2025514 AMAQI
16°C6/22°C
2nd Aug 2025495 AMAQI
5 AM2nd Aug 2025556 AMAQI
2nd Aug 2025547 AMAQI
2nd Aug 2025528 AMAQI
2nd Aug 2025549 AMAQI
2nd Aug 20255310 AMAQI
2nd Aug 20255311 AMAQI
2nd Aug 20255812 PMAQI
12 PM2nd Aug 2025681 PMAQI
2nd Aug 2025742 PMAQI
8 PM
12 AM
4 AM
--°C/°C
Day time
Avg. Highest Time
5 AM - 8 PM
43AQI
16 hours / Day
480 hours / Month
Avg. Lowest Time
5 AM - 8 PM
43AQI
16 hours / Day
480 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 5 AM to 8 PM (Avg. 43), while the lowest AQI was between 5 AM to 8 PM (Avg. 43).
Night time
Avg. Highest Time
12 AM - 11 PM
41AQI
8 hours / Day
240 hours / Month
Avg. Lowest Time
12 AM - 11 PM
41AQI
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. 41), while the lowest AQI was between 12 AM to 11 PM (Avg. 41).
2025 Days Vs Air Quality
Huntsville, Ontario, Canada
2025
92%
197
8%
16
Total number of days with different AQI categories in last 214 days in 2025 (151 days remaining)
Good
197 DaysModerate
16 DaysPoor
0 DaysUnhealthy
0 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 92%
Health Risk Level:
Very Low
In 2025, 92% of 214 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
Huntsville, Ontario, Canada
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
21AQI
21AQI
3rd January 2025
24AQI
24AQI
4th January 2025
28AQI
28AQI
5th January 2025
27AQI
27AQI
6th January 2025
25AQI
25AQI
7th January 2025
25AQI
25AQI
8th January 2025
26AQI
26AQI
9th January 2025
28AQI
28AQI
10th January 2025
28AQI
28AQI
11th January 2025
33AQI
33AQI
12th January 2025
38AQI
38AQI
13th January 2025
26AQI
26AQI
14th January 2025
24AQI
24AQI
15th January 2025
22AQI
22AQI
16th January 2025
33AQI
33AQI
17th January 2025
36AQI
36AQI
18th January 2025
28AQI
28AQI
19th January 2025
24AQI
24AQI
20th January 2025
24AQI
24AQI
21st January 2025
26AQI
26AQI
22nd January 2025
25AQI
25AQI
23rd January 2025
28AQI
28AQI
24th January 2025
28AQI
28AQI
25th January 2025
37AQI
37AQI
26th January 2025
31AQI
31AQI
27th January 2025
29AQI
29AQI
28th January 2025
30AQI
30AQI
29th January 2025
28AQI
28AQI
30th January 2025
26AQI
26AQI
31st January 2025
29AQI
29AQI
1st February 2025
28AQI
28AQI
2nd February 2025
26AQI
26AQI
3rd February 2025
32AQI
32AQI
4th February 2025
24AQI
24AQI
5th February 2025
24AQI
24AQI
6th February 2025
24AQI
24AQI
7th February 2025
30AQI
30AQI
8th February 2025
27AQI
27AQI
9th February 2025
27AQI
27AQI
10th February 2025
29AQI
29AQI
11th February 2025
29AQI
29AQI
12th February 2025
26AQI
26AQI
13th February 2025
26AQI
26AQI
14th February 2025
27AQI
27AQI
15th February 2025
30AQI
30AQI
16th February 2025
27AQI
27AQI
17th February 2025
26AQI
26AQI
18th February 2025
24AQI
24AQI
19th February 2025
21AQI
21AQI
20th February 2025
21AQI
21AQI
21st February 2025
29AQI
29AQI
22nd February 2025
35AQI
35AQI
23rd February 2025
38AQI
38AQI
24th February 2025
49AQI
49AQI
25th February 2025
38AQI
38AQI
26th February 2025
26AQI
26AQI
27th February 2025
26AQI
26AQI
28th February 2025
29AQI
29AQI
1st March 2025
29AQI
29AQI
2nd March 2025
29AQI
29AQI
3rd March 2025
27AQI
27AQI
4th March 2025
36AQI
36AQI
5th March 2025
31AQI
31AQI
6th March 2025
25AQI
25AQI
7th March 2025
33AQI
33AQI
8th March 2025
31AQI
31AQI
9th March 2025
31AQI
31AQI
10th March 2025
26AQI
26AQI
11th March 2025
30AQI
30AQI
12th March 2025
28AQI
28AQI
13th March 2025
21AQI
21AQI
14th March 2025
27AQI
27AQI
15th March 2025
46AQI
46AQI
16th March 2025
26AQI
26AQI
17th March 2025
14AQI
14AQI
18th March 2025
18AQI
18AQI
19th March 2025
20AQI
20AQI
20th March 2025
22AQI
22AQI
21st March 2025
15AQI
15AQI
22nd March 2025
17AQI
17AQI
23rd March 2025
18AQI
18AQI
24th March 2025
17AQI
17AQI
25th March 2025
17AQI
17AQI
26th March 2025
18AQI
18AQI
27th March 2025
18AQI
18AQI
28th March 2025
17AQI
17AQI
29th March 2025
15AQI
15AQI
30th March 2025
16AQI
16AQI
31st March 2025
16AQI
16AQI
1st April 2025
16AQI
16AQI
2nd April 2025
16AQI
16AQI
3rd April 2025
16AQI
16AQI
4th April 2025
16AQI
16AQI
5th April 2025
14AQI
14AQI
6th April 2025
16AQI
16AQI
7th April 2025
16AQI
16AQI
8th April 2025
14AQI
14AQI
9th April 2025
16AQI
16AQI
10th April 2025
19AQI
19AQI
11th April 2025
20AQI
20AQI
12th April 2025
16AQI
16AQI
13th April 2025
19AQI
19AQI
14th April 2025
20AQI
20AQI
15th April 2025
15AQI
15AQI
16th April 2025
16AQI
16AQI
17th April 2025
19AQI
19AQI
18th April 2025
22AQI
22AQI
19th April 2025
28AQI
28AQI
20th April 2025
14AQI
14AQI
21st April 2025
15AQI
15AQI
22nd April 2025
12AQI
12AQI
23rd April 2025
12AQI
12AQI
24th April 2025
20AQI
20AQI
25th April 2025
20AQI
20AQI
26th April 2025
15AQI
15AQI
27th April 2025
12AQI
12AQI
28th April 2025
16AQI
16AQI
29th April 2025
23AQI
23AQI
30th April 2025
12AQI
12AQI
1st May 2025
17AQI
17AQI
2nd May 2025
17AQI
17AQI
3rd May 2025
13AQI
13AQI
4th May 2025
15AQI
15AQI
5th May 2025
14AQI
14AQI
6th May 2025
14AQI
14AQI
7th May 2025
17AQI
17AQI
8th May 2025
14AQI
14AQI
9th May 2025
15AQI
15AQI
10th May 2025
18AQI
18AQI
11th May 2025
16AQI
16AQI
12th May 2025
20AQI
20AQI
13th May 2025
27AQI
27AQI
14th May 2025
20AQI
20AQI
15th May 2025
21AQI
21AQI
16th May 2025
22AQI
22AQI
17th May 2025
24AQI
24AQI
18th May 2025
14AQI
14AQI
19th May 2025
12AQI
12AQI
20th May 2025
12AQI
12AQI
21st May 2025
15AQI
15AQI
22nd May 2025
11AQI
11AQI
23rd May 2025
10AQI
10AQI
24th May 2025
11AQI
11AQI
25th May 2025
15AQI
15AQI
26th May 2025
17AQI
17AQI
27th May 2025
19AQI
19AQI
28th May 2025
20AQI
20AQI
29th May 2025
15AQI
15AQI
30th May 2025
22AQI
22AQI
31st May 2025
19AQI
19AQI
1st June 2025
12AQI
12AQI
2nd June 2025
15AQI
15AQI
3rd June 2025
31AQI
31AQI
4th June 2025
54AQI
54AQI
5th June 2025
51AQI
51AQI
6th June 2025
58AQI
58AQI
7th June 2025
68AQI
68AQI
8th June 2025
68AQI
68AQI
9th June 2025
59AQI
59AQI
10th June 2025
51AQI
51AQI
11th June 2025
55AQI
55AQI
12th June 2025
62AQI
62AQI
13th June 2025
35AQI
35AQI
14th June 2025
26AQI
26AQI
15th June 2025
27AQI
27AQI
16th June 2025
32AQI
32AQI
17th June 2025
33AQI
33AQI
18th June 2025
31AQI
31AQI
19th June 2025
27AQI
27AQI
20th June 2025
25AQI
25AQI
21st June 2025
43AQI
43AQI
22nd June 2025
43AQI
43AQI
23rd June 2025
43AQI
43AQI
24th June 2025
46AQI
46AQI
25th June 2025
40AQI
40AQI
26th June 2025
31AQI
31AQI
27th June 2025
24AQI
24AQI
28th June 2025
24AQI
24AQI
29th June 2025
23AQI
23AQI
30th June 2025
31AQI
31AQI
1st July 2025
28AQI
28AQI
2nd July 2025
30AQI
30AQI
3rd July 2025
35AQI
35AQI
4th July 2025
30AQI
30AQI
5th July 2025
31AQI
31AQI
6th July 2025
45AQI
45AQI
7th July 2025
34AQI
34AQI
8th July 2025
32AQI
32AQI
9th July 2025
33AQI
33AQI
10th July 2025
36AQI
36AQI
11th July 2025
36AQI
36AQI
12th July 2025
43AQI
43AQI
13th July 2025
44AQI
44AQI
14th July 2025
51AQI
51AQI
15th July 2025
59AQI
59AQI
16th July 2025
61AQI
61AQI
17th July 2025
53AQI
53AQI
18th July 2025
29AQI
29AQI
19th July 2025
35AQI
35AQI
20th July 2025
25AQI
25AQI
21st July 2025
29AQI
29AQI
22nd July 2025
19AQI
19AQI
23rd July 2025
20AQI
20AQI
24th July 2025
30AQI
30AQI
25th July 2025
31AQI
31AQI
26th July 2025
61AQI
61AQI
27th July 2025
45AQI
45AQI
28th July 2025
50AQI
50AQI
29th July 2025
43AQI
43AQI
30th July 2025
58AQI
58AQI
31st July 2025
75AQI
75AQI
1st August 2025
44AQI
44AQI
28AQI
29AQI
24AQI
17AQI
17AQI
39AQI
40AQI
44AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202527AQI
31
28
31
30
31
21
9
24
7
1
197
16
Highest AQI recorded in
August44AQI
Lowest AQI recorded in
May17AQI
202425AQI
31
29
31
30
31
28
31
29
2
30
31
30
31
362
2
Highest AQI recorded in
August30AQI
Lowest AQI recorded in
November17AQI
202334AQI
31
28
31
28
2
31
9
13
6
2
24
6
1
23
8
28
2
31
28
1
31
323
32
7
2
Highest AQI recorded in
June78AQI
Lowest AQI recorded in
January21AQI
202227AQI
31
21
31
30
31
30
24
1
28
31
30
30
1
318
1
Highest AQI recorded in
March31AQI
Lowest AQI recorded in
August18AQI
202128AQI
28
2
28
31
30
31
30
25
5
1
29
2
30
31
29
1
30
1
352
11
1
Highest AQI recorded in
August32AQI
Lowest AQI recorded in
September21AQI
202026AQI
13
21
18
30
31
31
29
1
30
27
3
29
2
259
6
Highest AQI recorded in
May31AQI
Lowest AQI recorded in
August21AQI
Most & Least Polluted Years Over the Last 6 Years
Most Polluted Year Recorded
2023(Avg.)
34AQILeast Polluted Year Recorded
2024(Avg.)
25AQIHuntsville's annual 2025 AQI (27) shows an average percentage change of -0.09% (improved AQI) compared to previous years: 2020 (26), 2021 (28), 2022 (27), 2023 (34), 2024 (25).
