Sudbury, 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
Sudbury, Ontario, Canada
2021
2022
2023
2024
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
15th Aug 2023
143AQILowest AQI recorded on
11th Aug 2024
12AQISame Day Analysis (1st August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 2nd highest AQI at 56 of Moderate 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
Sudbury, Ontario, Canada
AQI
Day
Night
.
5 AM1st Aug 2025
9 PM
4 AM2nd Aug 2025
Day time
Avg. Highest Time
8PM1st Aug
66AQI
Avg. Lowest Time
9AM1st Aug
49AQI
Night time
Avg. Highest Time
2AM2nd Aug
77AQI
Avg. Lowest Time
11PM1st Aug
51AQI
In the last 24 hours,
Sudbury's AQI reached its highest point of 77 at 2 AM during the Night, while the lowest point, 49, was recorded at 9 AM during the Day between 1st Aug and 2nd Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Sudbury, 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 2025295 AMAQI
3rd Jul 2025396 AMAQI
3rd Jul 2025427 AMAQI
3rd Jul 2025368 AMAQI
3rd Jul 2025339 AMAQI
3rd Jul 20252910 AMAQI
3rd Jul 20252811 AMAQI
3rd Jul 20252812 PMAQI
3rd Jul 2025281 PMAQI
3rd Jul 2025272 PMAQI
3rd Jul 2025263 PMAQI
3rd Jul 2025274 PMAQI
3rd Jul 2025295 PMAQI
3rd Jul 2025296 PMAQI
3rd Jul 2025307 PMAQI
3rd Jul 2025308 PMAQI
3rd Jul 2025349 PMAQI
3rd Jul 20253210 PMAQI
3rd Jul 20253211 PMAQI
4th Jul 20253112 AMAQI
4th Jul 2025301 AMAQI
4th Jul 2025312 AMAQI
4th Jul 2025303 AMAQI
4th Jul 2025304 AMAQI
--°C/°C
4th Jul 2025285 AMAQI
4th Jul 2025286 AMAQI
4th Jul 2025327 AMAQI
4th Jul 2025308 AMAQI
4th Jul 2025329 AMAQI
4th Jul 20253010 AMAQI
4th Jul 20252811 AMAQI
4th Jul 20252912 PMAQI
4th Jul 2025281 PMAQI
4th Jul 2025262 PMAQI
4th Jul 2025273 PMAQI
4th Jul 2025274 PMAQI
4th Jul 2025305 PMAQI
4th Jul 2025286 PMAQI
4th Jul 2025297 PMAQI
4th Jul 2025308 PMAQI
4th Jul 2025309 PMAQI
4th Jul 20253010 PMAQI
4th Jul 20253211 PMAQI
5th Jul 20253012 AMAQI
5th Jul 2025381 AMAQI
5th Jul 2025402 AMAQI
5th Jul 2025273 AMAQI
5th Jul 2025264 AMAQI
19°C9/27°C
5th Jul 2025265 AMAQI
5th Jul 2025276 AMAQI
5th Jul 2025367 AMAQI
5th Jul 2025308 AMAQI
5th Jul 2025319 AMAQI
5th Jul 20253410 AMAQI
5th Jul 20253411 AMAQI
5th Jul 20253312 PMAQI
5th Jul 2025351 PMAQI
5th Jul 2025362 PMAQI
5th Jul 2025373 PMAQI
5th Jul 2025384 PMAQI
5th Jul 2025345 PMAQI
5th Jul 2025346 PMAQI
5th Jul 2025357 PMAQI
5th Jul 2025358 PMAQI
5th Jul 2025369 PMAQI
5th Jul 20253610 PMAQI
5th Jul 20254011 PMAQI
6th Jul 20254012 AMAQI
6th Jul 2025451 AMAQI
6th Jul 2025532 AMAQI
6th Jul 2025523 AMAQI
6th Jul 2025524 AMAQI
23°C16/33°C
6th Jul 2025525 AMAQI
6th Jul 2025516 AMAQI
6th Jul 2025547 AMAQI
6th Jul 2025548 AMAQI
6th Jul 2025539 AMAQI
6th Jul 20255410 AMAQI
6th Jul 20255411 AMAQI
6th Jul 20255412 PMAQI
6th Jul 2025541 PMAQI
6th Jul 2025522 PMAQI
6th Jul 2025433 PMAQI
6th Jul 2025454 PMAQI
6th Jul 2025485 PMAQI
6th Jul 2025466 PMAQI
6th Jul 2025467 PMAQI
6th Jul 2025478 PMAQI
6th Jul 2025509 PMAQI
6th Jul 20255310 PMAQI
6th Jul 20254511 PMAQI
7th Jul 20254712 AMAQI
7th Jul 2025431 AMAQI
7th Jul 2025262 AMAQI
7th Jul 2025283 AMAQI
7th Jul 2025324 AMAQI
18°C16/21°C
7th Jul 2025285 AMAQI
7th Jul 2025306 AMAQI
7th Jul 2025267 AMAQI
7th Jul 2025278 AMAQI
7th Jul 2025289 AMAQI
7th Jul 20252510 AMAQI
7th Jul 20252611 AMAQI
7th Jul 20252612 PMAQI
7th Jul 2025271 PMAQI
7th Jul 2025292 PMAQI
7th Jul 2025273 PMAQI
7th Jul 2025294 PMAQI
7th Jul 2025305 PMAQI
7th Jul 2025326 PMAQI
7th Jul 2025317 PMAQI
7th Jul 2025298 PMAQI
7th Jul 2025329 PMAQI
7th Jul 20253210 PMAQI
7th Jul 20253111 PMAQI
8th Jul 20253112 AMAQI
8th Jul 2025291 AMAQI
8th Jul 2025302 AMAQI
8th Jul 2025283 AMAQI
8th Jul 2025284 AMAQI
19°C13/26°C
8th Jul 2025285 AMAQI
8th Jul 2025286 AMAQI
8th Jul 2025277 AMAQI
8th Jul 2025268 AMAQI
8th Jul 2025279 AMAQI
8th Jul 20252810 AMAQI
8th Jul 20252511 AMAQI
8th Jul 20252412 PMAQI
8th Jul 2025241 PMAQI
8th Jul 2025252 PMAQI
8th Jul 2025233 PMAQI
8th Jul 2025244 PMAQI
8th Jul 2025285 PMAQI
8th Jul 2025296 PMAQI
8th Jul 2025287 PMAQI
8th Jul 2025288 PMAQI
8th Jul 2025269 PMAQI
8th Jul 20252710 PMAQI
8th Jul 20253011 PMAQI
9th Jul 20253012 AMAQI
9th Jul 2025321 AMAQI
9th Jul 2025452 AMAQI
9th Jul 2025473 AMAQI
9th Jul 2025454 AMAQI
20°C12/26°C
9th Jul 2025465 AMAQI
9th Jul 2025446 AMAQI
9th Jul 2025417 AMAQI
9th Jul 2025378 AMAQI
9th Jul 2025389 AMAQI
9th Jul 20253910 AMAQI
9th Jul 20253911 AMAQI
9th Jul 20254012 PMAQI
9th Jul 2025431 PMAQI
9th Jul 2025432 PMAQI
9th Jul 2025433 PMAQI
9th Jul 2025444 PMAQI
9th Jul 2025445 PMAQI
9th Jul 2025446 PMAQI
9th Jul 2025427 PMAQI
9th Jul 2025408 PMAQI
9th Jul 2025389 PMAQI
9th Jul 20253810 PMAQI
9th Jul 20253611 PMAQI
10th Jul 20253412 AMAQI
10th Jul 2025371 AMAQI
10th Jul 2025362 AMAQI
10th Jul 2025313 AMAQI
10th Jul 2025324 AMAQI
19°C15/23°C
10th Jul 2025345 AMAQI
10th Jul 2025346 AMAQI
10th Jul 2025327 AMAQI
10th Jul 2025348 AMAQI
10th Jul 2025349 AMAQI
10th Jul 20253410 AMAQI
10th Jul 20253411 AMAQI
10th Jul 20253412 PMAQI
10th Jul 2025341 PMAQI
10th Jul 2025342 PMAQI
10th Jul 2025343 PMAQI
10th Jul 2025364 PMAQI
10th Jul 2025355 PMAQI
10th Jul 2025346 PMAQI
10th Jul 2025357 PMAQI
10th Jul 2025368 PMAQI
10th Jul 2025349 PMAQI
10th Jul 20253610 PMAQI
10th Jul 20253511 PMAQI
11th Jul 20253612 AMAQI
11th Jul 2025361 AMAQI
11th Jul 2025362 AMAQI
11th Jul 2025393 AMAQI
11th Jul 2025384 AMAQI
20°C14/26°C
11th Jul 2025355 AMAQI
11th Jul 2025356 AMAQI
11th Jul 2025367 AMAQI
11th Jul 2025358 AMAQI
11th Jul 2025389 AMAQI
11th Jul 20253810 AMAQI
11th Jul 20253911 AMAQI
11th Jul 20254112 PMAQI
11th Jul 2025391 PMAQI
11th Jul 2025382 PMAQI
11th Jul 2025383 PMAQI
11th Jul 2025364 PMAQI
11th Jul 2025385 PMAQI
11th Jul 2025376 PMAQI
11th Jul 2025377 PMAQI
11th Jul 2025388 PMAQI
11th Jul 2025379 PMAQI
11th Jul 20253710 PMAQI
11th Jul 20254011 PMAQI
12th Jul 20253612 AMAQI
12th Jul 2025401 AMAQI
12th Jul 2025482 AMAQI
12th Jul 2025543 AMAQI
12th Jul 2025524 AMAQI
21°C12/30°C
12th Jul 2025525 AMAQI
12th Jul 2025506 AMAQI
12th Jul 2025477 AMAQI
12th Jul 2025428 AMAQI
12th Jul 2025459 AMAQI
12th Jul 20255010 AMAQI
12th Jul 20254411 AMAQI
12th Jul 20254712 PMAQI
12th Jul 2025461 PMAQI
12th Jul 2025442 PMAQI
12th Jul 2025433 PMAQI
12th Jul 2025414 PMAQI
12th Jul 2025475 PMAQI
12th Jul 2025496 PMAQI
12th Jul 2025477 PMAQI
12th Jul 2025488 PMAQI
12th Jul 2025469 PMAQI
12th Jul 20254610 PMAQI
12th Jul 20254411 PMAQI
13th Jul 20254512 AMAQI
13th Jul 2025481 AMAQI
13th Jul 2025412 AMAQI
13th Jul 2025343 AMAQI
13th Jul 2025334 AMAQI
22°C14/31°C
13th Jul 2025325 AMAQI
13th Jul 2025346 AMAQI
13th Jul 2025367 AMAQI
13th Jul 2025368 AMAQI
13th Jul 2025349 AMAQI
13th Jul 20253610 AMAQI
13th Jul 20253711 AMAQI
13th Jul 20254612 PMAQI
13th Jul 2025521 PMAQI
13th Jul 2025442 PMAQI
13th Jul 2025503 PMAQI
13th Jul 2025484 PMAQI
13th Jul 2025415 PMAQI
13th Jul 2025446 PMAQI
13th Jul 2025467 PMAQI
13th Jul 2025428 PMAQI
13th Jul 2025429 PMAQI
13th Jul 20254310 PMAQI
13th Jul 20254211 PMAQI
14th Jul 20254112 AMAQI
14th Jul 2025411 AMAQI
14th Jul 2025572 AMAQI
14th Jul 2025593 AMAQI
14th Jul 2025534 AMAQI
23°C19/27°C
14th Jul 2025695 AMAQI
14th Jul 2025586 AMAQI
14th Jul 2025637 AMAQI
14th Jul 2025638 AMAQI
14th Jul 2025599 AMAQI
14th Jul 20256210 AMAQI
14th Jul 20256611 AMAQI
14th Jul 20256612 PMAQI
14th Jul 2025681 PMAQI
14th Jul 2025722 PMAQI
14th Jul 2025703 PMAQI
14th Jul 2025644 PMAQI
14th Jul 2025615 PMAQI
14th Jul 2025606 PMAQI
14th Jul 2025597 PMAQI
14th Jul 2025598 PMAQI
14th Jul 2025599 PMAQI
14th Jul 20256010 PMAQI
14th Jul 20256011 PMAQI
15th Jul 20255912 AMAQI
15th Jul 2025591 AMAQI
15th Jul 2025642 AMAQI
15th Jul 2025693 AMAQI
15th Jul 2025724 AMAQI
23°C16/30°C
15th Jul 2025665 AMAQI
15th Jul 2025696 AMAQI
15th Jul 2025727 AMAQI
15th Jul 2025678 AMAQI
15th Jul 2025669 AMAQI
15th Jul 20256710 AMAQI
15th Jul 20256611 AMAQI
15th Jul 20257112 PMAQI
15th Jul 2025741 PMAQI
15th Jul 2025742 PMAQI
15th Jul 2025703 PMAQI
15th Jul 2025704 PMAQI
15th Jul 2025675 PMAQI
15th Jul 2025686 PMAQI
15th Jul 2025687 PMAQI
15th Jul 2025698 PMAQI
15th Jul 2025669 PMAQI
15th Jul 20256610 PMAQI
15th Jul 20256411 PMAQI
16th Jul 20256412 AMAQI
16th Jul 2025661 AMAQI
16th Jul 2025732 AMAQI
16th Jul 2025773 AMAQI
16th Jul 2025764 AMAQI
23°C16/31°C
16th Jul 2025825 AMAQI
16th Jul 2025786 AMAQI
16th Jul 2025807 AMAQI
16th Jul 2025828 AMAQI
16th Jul 2025829 AMAQI
16th Jul 20258210 AMAQI
16th Jul 20257811 AMAQI
16th Jul 20257412 PMAQI
16th Jul 2025721 PMAQI
16th Jul 2025722 PMAQI
16th Jul 2025703 PMAQI
16th Jul 2025704 PMAQI
16th Jul 2025705 PMAQI
16th Jul 2025716 PMAQI
16th Jul 2025687 PMAQI
16th Jul 2025668 PMAQI
16th Jul 2025679 PMAQI
16th Jul 20257010 PMAQI
16th Jul 20256211 PMAQI
17th Jul 20256212 AMAQI
17th Jul 2025621 AMAQI
17th Jul 2025352 AMAQI
17th Jul 2025263 AMAQI
17th Jul 2025284 AMAQI
22°C17/32°C
17th Jul 2025275 AMAQI
17th Jul 2025266 AMAQI
17th Jul 2025267 AMAQI
17th Jul 2025268 AMAQI
17th Jul 2025269 AMAQI
17th Jul 20252610 AMAQI
17th Jul 20252611 AMAQI
17th Jul 20253012 PMAQI
17th Jul 2025441 PMAQI
17th Jul 2025442 PMAQI
17th Jul 2025263 PMAQI
17th Jul 2025274 PMAQI
17th Jul 2025275 PMAQI
17th Jul 2025286 PMAQI
17th Jul 2025297 PMAQI
17th Jul 2025268 PMAQI
17th Jul 2025289 PMAQI
17th Jul 20252710 PMAQI
17th Jul 20252811 PMAQI
18th Jul 20252912 AMAQI
18th Jul 2025291 AMAQI
18th Jul 2025242 AMAQI
18th Jul 2025243 AMAQI
18th Jul 2025274 AMAQI
15°C12/20°C
18th Jul 2025245 AMAQI
18th Jul 2025266 AMAQI
18th Jul 2025257 AMAQI
18th Jul 2025258 AMAQI
18th Jul 2025249 AMAQI
18th Jul 20252710 AMAQI
18th Jul 20252911 AMAQI
18th Jul 20253712 PMAQI
18th Jul 2025441 PMAQI
18th Jul 2025522 PMAQI
18th Jul 2025523 PMAQI
18th Jul 2025454 PMAQI
18th Jul 2025305 PMAQI
18th Jul 2025316 PMAQI
18th Jul 2025327 PMAQI
18th Jul 2025328 PMAQI
18th Jul 2025329 PMAQI
18th Jul 20253210 PMAQI
18th Jul 20253411 PMAQI
19th Jul 20254412 AMAQI
19th Jul 2025421 AMAQI
19th Jul 2025422 AMAQI
19th Jul 2025403 AMAQI
19th Jul 2025384 AMAQI
18°C10/25°C
19th Jul 2025385 AMAQI
19th Jul 2025376 AMAQI
19th Jul 2025367 AMAQI
19th Jul 2025368 AMAQI
19th Jul 2025379 AMAQI
19th Jul 20253510 AMAQI
19th Jul 20253611 AMAQI
19th Jul 20253612 PMAQI
19th Jul 2025341 PMAQI
19th Jul 2025322 PMAQI
19th Jul 2025303 PMAQI
19th Jul 2025324 PMAQI
19th Jul 2025355 PMAQI
19th Jul 2025346 PMAQI
19th Jul 2025357 PMAQI
19th Jul 2025338 PMAQI
19th Jul 2025369 PMAQI
19th Jul 20253610 PMAQI
19th Jul 20253511 PMAQI
20th Jul 20253512 AMAQI
20th Jul 2025351 AMAQI
20th Jul 2025272 AMAQI
20th Jul 2025273 AMAQI
20th Jul 2025264 AMAQI
18°C15/23°C
20th Jul 2025255 AMAQI
20th Jul 2025266 AMAQI
20th Jul 2025257 AMAQI
20th Jul 2025258 AMAQI
20th Jul 2025289 AMAQI
20th Jul 20253210 AMAQI
20th Jul 20253611 AMAQI
20th Jul 20254712 PMAQI
20th Jul 2025511 PMAQI
20th Jul 2025542 PMAQI
20th Jul 2025503 PMAQI
20th Jul 2025384 PMAQI
20th Jul 2025385 PMAQI
20th Jul 2025386 PMAQI
20th Jul 2025387 PMAQI
20th Jul 2025388 PMAQI
20th Jul 2025379 PMAQI
20th Jul 20253810 PMAQI
20th Jul 20254411 PMAQI
21st Jul 20253812 AMAQI
21st Jul 2025381 AMAQI
21st Jul 2025322 AMAQI
21st Jul 2025273 AMAQI
21st Jul 2025264 AMAQI
18°C13/23°C
21st Jul 2025265 AMAQI
21st Jul 2025246 AMAQI
21st Jul 2025307 AMAQI
21st Jul 2025288 AMAQI
21st Jul 2025309 AMAQI
21st Jul 20252610 AMAQI
21st Jul 20252611 AMAQI
21st Jul 20252612 PMAQI
21st Jul 2025241 PMAQI
21st Jul 2025232 PMAQI
21st Jul 2025203 PMAQI
21st Jul 2025254 PMAQI
21st Jul 2025285 PMAQI
21st Jul 2025276 PMAQI
21st Jul 2025267 PMAQI
21st Jul 2025258 PMAQI
21st Jul 2025289 PMAQI
21st Jul 20252810 PMAQI
21st Jul 20252611 PMAQI
22nd Jul 20252812 AMAQI
22nd Jul 2025291 AMAQI
22nd Jul 2025342 AMAQI
22nd Jul 2025383 AMAQI
22nd Jul 2025384 AMAQI
16°C9/22°C
22nd Jul 2025305 AMAQI
22nd Jul 2025286 AMAQI
22nd Jul 2025267 AMAQI
22nd Jul 2025268 AMAQI
22nd Jul 2025319 AMAQI
22nd Jul 20252810 AMAQI
22nd Jul 20252811 AMAQI
22nd Jul 20252812 PMAQI
22nd Jul 2025241 PMAQI
22nd Jul 2025242 PMAQI
22nd Jul 2025223 PMAQI
22nd Jul 2025254 PMAQI
22nd Jul 2025275 PMAQI
22nd Jul 2025286 PMAQI
22nd Jul 2025267 PMAQI
22nd Jul 2025268 PMAQI
22nd Jul 2025249 PMAQI
22nd Jul 20252410 PMAQI
22nd Jul 20252611 PMAQI
23rd Jul 20252612 AMAQI
23rd Jul 2025261 AMAQI
23rd Jul 2025222 AMAQI
23rd Jul 2025203 AMAQI
23rd Jul 2025194 AMAQI
17°C8/23°C
23rd Jul 2025195 AMAQI
23rd Jul 2025186 AMAQI
23rd Jul 2025187 AMAQI
23rd Jul 2025208 AMAQI
23rd Jul 2025209 AMAQI
23rd Jul 20252210 AMAQI
23rd Jul 20252111 AMAQI
23rd Jul 20252212 PMAQI
23rd Jul 2025221 PMAQI
23rd Jul 2025242 PMAQI
23rd Jul 2025273 PMAQI
23rd Jul 2025304 PMAQI
23rd Jul 2025285 PMAQI
23rd Jul 2025296 PMAQI
23rd Jul 2025287 PMAQI
23rd Jul 2025268 PMAQI
23rd Jul 2025249 PMAQI
23rd Jul 20252410 PMAQI
23rd Jul 20252411 PMAQI
24th Jul 20252512 AMAQI
24th Jul 2025241 AMAQI
24th Jul 2025262 AMAQI
24th Jul 2025263 AMAQI
24th Jul 2025294 AMAQI
20°C14/26°C
24th Jul 2025285 AMAQI
24th Jul 2025296 AMAQI
24th Jul 2025347 AMAQI
24th Jul 2025308 AMAQI
24th Jul 2025299 AMAQI
24th Jul 20252810 AMAQI
24th Jul 20252911 AMAQI
24th Jul 20252912 PMAQI
24th Jul 2025281 PMAQI
24th Jul 2025292 PMAQI
24th Jul 2025293 PMAQI
24th Jul 2025314 PMAQI
24th Jul 2025345 PMAQI
24th Jul 2025346 PMAQI
24th Jul 2025347 PMAQI
24th Jul 2025328 PMAQI
24th Jul 2025309 PMAQI
24th Jul 20253010 PMAQI
24th Jul 20252811 PMAQI
25th Jul 20252912 AMAQI
25th Jul 2025291 AMAQI
25th Jul 2025302 AMAQI
25th Jul 2025363 AMAQI
25th Jul 2025424 AMAQI
23°C19/31°C
25th Jul 2025535 AMAQI
25th Jul 2025506 AMAQI
25th Jul 2025467 AMAQI
25th Jul 2025528 AMAQI
25th Jul 2025589 AMAQI
25th Jul 20255010 AMAQI
25th Jul 20254911 AMAQI
25th Jul 20254912 PMAQI
25th Jul 2025421 PMAQI
25th Jul 2025482 PMAQI
25th Jul 2025523 PMAQI
25th Jul 2025464 PMAQI
25th Jul 2025455 PMAQI
25th Jul 2025466 PMAQI
25th Jul 2025457 PMAQI
25th Jul 2025488 PMAQI
25th Jul 2025489 PMAQI
25th Jul 20254710 PMAQI
25th Jul 20254611 PMAQI
26th Jul 20254612 AMAQI
26th Jul 2025481 AMAQI
26th Jul 2025572 AMAQI
26th Jul 2025683 AMAQI
26th Jul 2025644 AMAQI
24°C18/30°C
26th Jul 2025645 AMAQI
26th Jul 2025606 AMAQI
26th Jul 2025607 AMAQI
26th Jul 2025618 AMAQI
26th Jul 2025729 AMAQI
26th Jul 20256610 AMAQI
26th Jul 20256811 AMAQI
26th Jul 20256612 PMAQI
26th Jul 2025681 PMAQI
26th Jul 2025642 PMAQI
26th Jul 2025643 PMAQI
26th Jul 2025634 PMAQI
26th Jul 2025585 PMAQI
26th Jul 2025606 PMAQI
26th Jul 2025597 PMAQI
26th Jul 2025588 PMAQI
26th Jul 2025589 PMAQI
26th Jul 20256010 PMAQI
26th Jul 20255911 PMAQI
27th Jul 20255712 AMAQI
27th Jul 2025581 AMAQI
27th Jul 2025582 AMAQI
27th Jul 2025543 AMAQI
27th Jul 2025524 AMAQI
22°C13/31°C
27th Jul 2025485 AMAQI
27th Jul 2025626 AMAQI
27th Jul 2025637 AMAQI
27th Jul 2025638 AMAQI
27th Jul 2025649 AMAQI
27th Jul 20256110 AMAQI
27th Jul 20256511 AMAQI
27th Jul 20256212 PMAQI
27th Jul 2025621 PMAQI
27th Jul 2025582 PMAQI
27th Jul 2025563 PMAQI
27th Jul 2025564 PMAQI
27th Jul 2025565 PMAQI
27th Jul 2025566 PMAQI
27th Jul 2025567 PMAQI
27th Jul 2025578 PMAQI
27th Jul 2025569 PMAQI
27th Jul 20255410 PMAQI
27th Jul 20255411 PMAQI
28th Jul 20255412 AMAQI
28th Jul 2025541 AMAQI
28th Jul 2025542 AMAQI
28th Jul 2025643 AMAQI
28th Jul 2025594 AMAQI
24°C16/33°C
28th Jul 2025555 AMAQI
28th Jul 2025516 AMAQI
28th Jul 2025497 AMAQI
28th Jul 2025518 AMAQI
28th Jul 2025549 AMAQI
28th Jul 20255210 AMAQI
28th Jul 20255211 AMAQI
28th Jul 20255112 PMAQI
28th Jul 2025491 PMAQI
28th Jul 2025482 PMAQI
28th Jul 2025473 PMAQI
28th Jul 2025494 PMAQI
28th Jul 2025535 PMAQI
28th Jul 2025526 PMAQI
28th Jul 2025537 PMAQI
28th Jul 2025528 PMAQI
28th Jul 2025549 PMAQI
28th Jul 20255410 PMAQI
28th Jul 20255211 PMAQI
29th Jul 20255212 AMAQI
29th Jul 2025511 AMAQI
29th Jul 2025252 AMAQI
29th Jul 2025273 AMAQI
29th Jul 2025324 AMAQI
24°C19/32°C
29th Jul 2025325 AMAQI
29th Jul 2025366 AMAQI
29th Jul 2025367 AMAQI
29th Jul 2025378 AMAQI
29th Jul 2025429 AMAQI
29th Jul 20254310 AMAQI
29th Jul 20254511 AMAQI
29th Jul 20254512 PMAQI
29th Jul 2025451 PMAQI
29th Jul 2025442 PMAQI
29th Jul 2025443 PMAQI
29th Jul 2025464 PMAQI
29th Jul 2025465 PMAQI
29th Jul 2025466 PMAQI
29th Jul 2025477 PMAQI
29th Jul 2025478 PMAQI
29th Jul 2025469 PMAQI
29th Jul 20254510 PMAQI
29th Jul 20255011 PMAQI
30th Jul 20255212 AMAQI
30th Jul 2025521 AMAQI
30th Jul 2025592 AMAQI
30th Jul 2025643 AMAQI
30th Jul 2025614 AMAQI
21°C17/25°C
30th Jul 2025595 AMAQI
30th Jul 2025656 AMAQI
30th Jul 2025687 AMAQI
30th Jul 2025648 AMAQI
30th Jul 2025629 AMAQI
30th Jul 20256110 AMAQI
30th Jul 20256311 AMAQI
30th Jul 20256412 PMAQI
30th Jul 2025631 PMAQI
30th Jul 2025652 PMAQI
30th Jul 2025693 PMAQI
30th Jul 2025654 PMAQI
30th Jul 2025675 PMAQI
30th Jul 2025676 PMAQI
30th Jul 2025677 PMAQI
30th Jul 2025678 PMAQI
30th Jul 2025679 PMAQI
30th Jul 20256710 PMAQI
30th Jul 20256211 PMAQI
31st Jul 20256112 AMAQI
31st Jul 2025621 AMAQI
31st Jul 2025652 AMAQI
31st Jul 2025763 AMAQI
31st Jul 2025884 AMAQI
21°C15/26°C
31st Jul 2025805 AMAQI
31st Jul 2025786 AMAQI
31st Jul 2025697 AMAQI
31st Jul 2025638 AMAQI
31st Jul 2025719 AMAQI
31st Jul 20259810 AMAQI
31st Jul 202512111 AMAQI
31st Jul 20259612 PMAQI
31st Jul 2025621 PMAQI
31st Jul 2025712 PMAQI
31st Jul 2025693 PMAQI
31st Jul 2025664 PMAQI
31st Jul 2025735 PMAQI
31st Jul 2025586 PMAQI
31st Jul 2025577 PMAQI
31st Jul 2025548 PMAQI
31st Jul 2025699 PMAQI
31st Jul 20256210 PMAQI
31st Jul 20255111 PMAQI
1st Aug 20254712 AMAQI
1st Aug 2025501 AMAQI
1st Aug 2025552 AMAQI
1st Aug 2025623 AMAQI
1st Aug 2025594 AMAQI
17°C11/21°C
1st Aug 2025545 AMAQI
1st Aug 2025546 AMAQI
1st Aug 2025567 AMAQI
1st Aug 2025548 AMAQI
1st Aug 2025499 AMAQI
1st Aug 20256310 AMAQI
1st Aug 20256111 AMAQI
1st Aug 20255512 PMAQI
1st Aug 2025571 PMAQI
1st Aug 2025582 PMAQI
1st Aug 2025553 PMAQI
1st Aug 2025544 PMAQI
1st Aug 2025625 PMAQI
1st Aug 2025636 PMAQI
1st Aug 2025627 PMAQI
1st Aug 2025668 PMAQI
1st Aug 2025579 PMAQI
1st Aug 20255410 PMAQI
1st Aug 20255111 PMAQI
2nd Aug 20255812 AMAQI
2nd Aug 2025641 AMAQI
2nd Aug 2025772 AMAQI
2nd Aug 2025753 AMAQI
2nd Aug 2025704 AMAQI
18°C9/23°C
2nd Aug 2025745 AMAQI
5 AM2nd Aug 2025746 AMAQI
2nd Aug 2025747 AMAQI
2nd Aug 2025838 AMAQI
2nd Aug 2025869 AMAQI
2nd Aug 20259810 AMAQI
2nd Aug 202512011 AMAQI
2nd Aug 202513212 PMAQI
2nd Aug 20251281 PMAQI
1 PM2nd Aug 20251012 PMAQI
2nd Aug 2025863 PMAQI
2nd Aug 2025844 PMAQI
2nd Aug 2025945 PMAQI
2nd Aug 2025886 PMAQI
2nd Aug 2025907 PMAQI
2nd Aug 2025888 PMAQI
2nd Aug 2025969 PMAQI
9 PM1 AM
4 AM
22°C13/30°C
Day time
Avg. Highest Time
5 AM - 9 PM
45AQI
17 hours / Day
510 hours / Month
Avg. Lowest Time
5 AM - 9 PM
45AQI
17 hours / Day
510 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 5 AM to 9 PM (Avg. 45), while the lowest AQI was between 5 AM to 9 PM (Avg. 45).
Night time
Avg. Highest Time
12 AM - 11 PM
43AQI
7 hours / Day
210 hours / Month
Avg. Lowest Time
12 AM - 11 PM
43AQI
7 hours / Day
210 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 12 AM to 11 PM (Avg. 43), while the lowest AQI was between 12 AM to 11 PM (Avg. 43).
2025 Days Vs Air Quality
Sudbury, Ontario, Canada
2025
92%
195
8%
18
Total number of days with different AQI categories in last 215 days in 2025 (150 days remaining)
Good
195 DaysModerate
18 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 215 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
Sudbury, 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
22AQI
22AQI
3rd January 2025
25AQI
25AQI
4th January 2025
28AQI
28AQI
5th January 2025
27AQI
27AQI
6th January 2025
25AQI
25AQI
7th January 2025
25AQI
25AQI
8th January 2025
25AQI
25AQI
9th January 2025
31AQI
31AQI
10th January 2025
40AQI
40AQI
11th January 2025
50AQI
50AQI
12th January 2025
28AQI
28AQI
13th January 2025
30AQI
30AQI
14th January 2025
22AQI
22AQI
15th January 2025
23AQI
23AQI
16th January 2025
32AQI
32AQI
17th January 2025
27AQI
27AQI
18th January 2025
35AQI
35AQI
19th January 2025
26AQI
26AQI
20th January 2025
27AQI
27AQI
21st January 2025
39AQI
39AQI
22nd January 2025
33AQI
33AQI
23rd January 2025
29AQI
29AQI
24th January 2025
27AQI
27AQI
25th January 2025
34AQI
34AQI
26th January 2025
28AQI
28AQI
27th January 2025
29AQI
29AQI
28th January 2025
28AQI
28AQI
29th January 2025
28AQI
28AQI
30th January 2025
25AQI
25AQI
31st January 2025
29AQI
29AQI
1st February 2025
26AQI
26AQI
2nd February 2025
24AQI
24AQI
3rd February 2025
30AQI
30AQI
4th February 2025
25AQI
25AQI
5th February 2025
25AQI
25AQI
6th February 2025
24AQI
24AQI
7th February 2025
27AQI
27AQI
8th February 2025
27AQI
27AQI
9th February 2025
25AQI
25AQI
10th February 2025
27AQI
27AQI
11th February 2025
28AQI
28AQI
12th February 2025
30AQI
30AQI
13th February 2025
24AQI
24AQI
14th February 2025
25AQI
25AQI
15th February 2025
28AQI
28AQI
16th February 2025
28AQI
28AQI
17th February 2025
26AQI
26AQI
18th February 2025
23AQI
23AQI
19th February 2025
21AQI
21AQI
20th February 2025
22AQI
22AQI
21st February 2025
29AQI
29AQI
22nd February 2025
37AQI
37AQI
23rd February 2025
36AQI
36AQI
24th February 2025
50AQI
50AQI
25th February 2025
27AQI
27AQI
26th February 2025
27AQI
27AQI
27th February 2025
25AQI
25AQI
28th February 2025
28AQI
28AQI
1st March 2025
28AQI
28AQI
2nd March 2025
27AQI
27AQI
3rd March 2025
29AQI
29AQI
4th March 2025
45AQI
45AQI
5th March 2025
25AQI
25AQI
6th March 2025
27AQI
27AQI
7th March 2025
30AQI
30AQI
8th March 2025
31AQI
31AQI
9th March 2025
29AQI
29AQI
10th March 2025
26AQI
26AQI
11th March 2025
28AQI
28AQI
12th March 2025
24AQI
24AQI
13th March 2025
22AQI
22AQI
14th March 2025
34AQI
34AQI
15th March 2025
45AQI
45AQI
16th March 2025
26AQI
26AQI
17th March 2025
16AQI
16AQI
18th March 2025
21AQI
21AQI
19th March 2025
23AQI
23AQI
20th March 2025
18AQI
18AQI
21st March 2025
20AQI
20AQI
22nd March 2025
19AQI
19AQI
23rd March 2025
23AQI
23AQI
24th March 2025
17AQI
17AQI
25th March 2025
17AQI
17AQI
26th March 2025
20AQI
20AQI
27th March 2025
22AQI
22AQI
28th March 2025
19AQI
19AQI
29th March 2025
16AQI
16AQI
30th March 2025
17AQI
17AQI
31st March 2025
17AQI
17AQI
1st April 2025
16AQI
16AQI
2nd April 2025
20AQI
20AQI
3rd April 2025
18AQI
18AQI
4th April 2025
19AQI
19AQI
5th April 2025
26AQI
26AQI
6th April 2025
16AQI
16AQI
7th April 2025
18AQI
18AQI
8th April 2025
14AQI
14AQI
9th April 2025
22AQI
22AQI
10th April 2025
25AQI
25AQI
11th April 2025
26AQI
26AQI
12th April 2025
31AQI
31AQI
13th April 2025
35AQI
35AQI
14th April 2025
26AQI
26AQI
15th April 2025
13AQI
13AQI
16th April 2025
12AQI
12AQI
17th April 2025
24AQI
24AQI
18th April 2025
28AQI
28AQI
19th April 2025
28AQI
28AQI
20th April 2025
15AQI
15AQI
21st April 2025
18AQI
18AQI
22nd April 2025
13AQI
13AQI
23rd April 2025
21AQI
21AQI
24th April 2025
23AQI
23AQI
25th April 2025
20AQI
20AQI
26th April 2025
13AQI
13AQI
27th April 2025
15AQI
15AQI
28th April 2025
27AQI
27AQI
29th April 2025
22AQI
22AQI
30th April 2025
14AQI
14AQI
1st May 2025
26AQI
26AQI
2nd May 2025
16AQI
16AQI
3rd May 2025
14AQI
14AQI
4th May 2025
20AQI
20AQI
5th May 2025
19AQI
19AQI
6th May 2025
18AQI
18AQI
7th May 2025
17AQI
17AQI
8th May 2025
16AQI
16AQI
9th May 2025
22AQI
22AQI
10th May 2025
19AQI
19AQI
11th May 2025
17AQI
17AQI
12th May 2025
25AQI
25AQI
13th May 2025
38AQI
38AQI
14th May 2025
27AQI
27AQI
15th May 2025
29AQI
29AQI
16th May 2025
31AQI
31AQI
17th May 2025
27AQI
27AQI
18th May 2025
15AQI
15AQI
19th May 2025
15AQI
15AQI
20th May 2025
15AQI
15AQI
21st May 2025
15AQI
15AQI
22nd May 2025
12AQI
12AQI
23rd May 2025
11AQI
11AQI
24th May 2025
13AQI
13AQI
25th May 2025
16AQI
16AQI
26th May 2025
20AQI
20AQI
27th May 2025
22AQI
22AQI
28th May 2025
25AQI
25AQI
29th May 2025
21AQI
21AQI
30th May 2025
25AQI
25AQI
31st May 2025
18AQI
18AQI
1st June 2025
15AQI
15AQI
2nd June 2025
21AQI
21AQI
3rd June 2025
40AQI
40AQI
4th June 2025
65AQI
65AQI
5th June 2025
57AQI
57AQI
6th June 2025
61AQI
61AQI
7th June 2025
67AQI
67AQI
8th June 2025
64AQI
64AQI
9th June 2025
61AQI
61AQI
10th June 2025
55AQI
55AQI
11th June 2025
60AQI
60AQI
12th June 2025
49AQI
49AQI
13th June 2025
27AQI
27AQI
14th June 2025
26AQI
26AQI
15th June 2025
34AQI
34AQI
16th June 2025
42AQI
42AQI
17th June 2025
40AQI
40AQI
18th June 2025
32AQI
32AQI
19th June 2025
32AQI
32AQI
20th June 2025
22AQI
22AQI
21st June 2025
49AQI
49AQI
22nd June 2025
51AQI
51AQI
23rd June 2025
50AQI
50AQI
24th June 2025
48AQI
48AQI
25th June 2025
36AQI
36AQI
26th June 2025
29AQI
29AQI
27th June 2025
25AQI
25AQI
28th June 2025
25AQI
25AQI
29th June 2025
27AQI
27AQI
30th June 2025
31AQI
31AQI
1st July 2025
27AQI
27AQI
2nd July 2025
35AQI
35AQI
3rd July 2025
31AQI
31AQI
4th July 2025
29AQI
29AQI
5th July 2025
34AQI
34AQI
6th July 2025
50AQI
50AQI
7th July 2025
30AQI
30AQI
8th July 2025
27AQI
27AQI
9th July 2025
41AQI
41AQI
10th July 2025
34AQI
34AQI
11th July 2025
37AQI
37AQI
12th July 2025
47AQI
47AQI
13th July 2025
41AQI
41AQI
14th July 2025
60AQI
60AQI
15th July 2025
67AQI
67AQI
16th July 2025
73AQI
73AQI
17th July 2025
32AQI
32AQI
18th July 2025
31AQI
31AQI
19th July 2025
36AQI
36AQI
20th July 2025
36AQI
36AQI
21st July 2025
27AQI
27AQI
22nd July 2025
28AQI
28AQI
23rd July 2025
23AQI
23AQI
24th July 2025
30AQI
30AQI
25th July 2025
45AQI
45AQI
26th July 2025
61AQI
61AQI
27th July 2025
57AQI
57AQI
28th July 2025
53AQI
53AQI
29th July 2025
42AQI
42AQI
30th July 2025
63AQI
63AQI
31st July 2025
71AQI
71AQI
1st August 2025
56AQI
56AQI
29AQI
28AQI
25AQI
21AQI
20AQI
41AQI
42AQI
56AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202529AQI
31
28
31
30
31
21
9
23
8
1
195
18
Highest AQI recorded in
August56AQI
Lowest AQI recorded in
May20AQI
202428AQI
31
29
31
30
30
1
29
30
1
25
6
26
4
31
30
31
353
12
Highest AQI recorded in
August36AQI
Lowest AQI recorded in
November17AQI
202337AQI
31
27
1
31
26
4
29
2
9
13
5
2
1
20
11
23
7
1
26
4
31
28
1
30
1
311
44
6
2
1
Highest AQI recorded in
June89AQI
Lowest AQI recorded in
October24AQI
202227AQI
31
20
1
29
2
30
30
1
30
20
2
29
29
2
26
4
30
1
306
11
Highest AQI recorded in
May32AQI
Lowest AQI recorded in
September23AQI
202128AQI
30
28
31
29
1
31
30
24
5
2
26
5
29
1
31
30
31
350
11
3
Highest AQI recorded in
July40AQI
Lowest AQI recorded in
October21AQI
202026AQI
12
1
21
17
1
28
2
31
31
30
31
27
3
31
259
7
Highest AQI recorded in
May34AQI
Lowest AQI recorded in
October20AQI
Most & Least Polluted Years Over the Last 6 Years
Most Polluted Year Recorded
2023(Avg.)
37AQILeast Polluted Year Recorded
2020(Avg.)
26AQISudbury's annual 2025 AQI (29) shows an average percentage change of 1.4% (worsened AQI) compared to previous years: 2020 (26), 2021 (28), 2022 (27), 2023 (37), 2024 (28).
