Belleville, 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
Belleville, Ontario, Canada
2021
2022
2023
2024
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
20th Aug 2023
61AQILowest AQI recorded on
9th Aug 2024
14AQISame Day Analysis (1st August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 2nd highest AQI at 34 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
Belleville, Ontario, Canada
AQI
Day
Night
.
5 AM1st Aug 2025
8 PM
4 AM2nd Aug 2025
Day time
Avg. Highest Time
5AM1st Aug
41AQI
Avg. Lowest Time
8PM1st Aug
16AQI
Night time
Avg. Highest Time
3AM2nd Aug
32AQI
Avg. Lowest Time
12AM2nd Aug
20AQI
In the last 24 hours,
Belleville's AQI reached its highest point of 41 at 5 AM during the Day, while the lowest point, 16, was recorded at 8 PM during the Day between 1st Aug and 2nd Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Belleville, 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 2025315 AMAQI
3rd Jul 2025436 AMAQI
3rd Jul 2025527 AMAQI
3rd Jul 2025528 AMAQI
3rd Jul 2025449 AMAQI
3rd Jul 20255010 AMAQI
3rd Jul 20255411 AMAQI
3rd Jul 20255312 PMAQI
3rd Jul 2025521 PMAQI
3rd Jul 2025552 PMAQI
3rd Jul 2025553 PMAQI
3rd Jul 2025524 PMAQI
3rd Jul 2025505 PMAQI
3rd Jul 2025496 PMAQI
3rd Jul 2025507 PMAQI
3rd Jul 2025488 PMAQI
3rd Jul 2025489 PMAQI
3rd Jul 20254410 PMAQI
3rd Jul 20253911 PMAQI
4th Jul 20253812 AMAQI
4th Jul 2025381 AMAQI
4th Jul 2025302 AMAQI
4th Jul 2025263 AMAQI
4th Jul 2025284 AMAQI
22°C18/30°C
4th Jul 2025285 AMAQI
4th Jul 2025276 AMAQI
4th Jul 2025297 AMAQI
4th Jul 2025308 AMAQI
4th Jul 2025309 AMAQI
4th Jul 20253010 AMAQI
4th Jul 20252811 AMAQI
4th Jul 20252812 PMAQI
4th Jul 2025281 PMAQI
4th Jul 2025282 PMAQI
4th Jul 2025293 PMAQI
4th Jul 2025304 PMAQI
4th Jul 2025325 PMAQI
4th Jul 2025306 PMAQI
4th Jul 2025307 PMAQI
4th Jul 2025308 PMAQI
4th Jul 2025319 PMAQI
4th Jul 20253010 PMAQI
4th Jul 20253311 PMAQI
5th Jul 20253412 AMAQI
5th Jul 2025341 AMAQI
5th Jul 2025302 AMAQI
5th Jul 2025293 AMAQI
5th Jul 2025284 AMAQI
20°C11/25°C
5th Jul 2025285 AMAQI
5th Jul 2025296 AMAQI
5th Jul 2025367 AMAQI
5th Jul 2025418 AMAQI
5th Jul 2025389 AMAQI
5th Jul 20254410 AMAQI
5th Jul 20254211 AMAQI
5th Jul 20254412 PMAQI
5th Jul 2025421 PMAQI
5th Jul 2025382 PMAQI
5th Jul 2025363 PMAQI
5th Jul 2025384 PMAQI
5th Jul 2025405 PMAQI
5th Jul 2025396 PMAQI
5th Jul 2025407 PMAQI
5th Jul 2025418 PMAQI
5th Jul 2025439 PMAQI
5th Jul 20254110 PMAQI
5th Jul 20254411 PMAQI
6th Jul 20254412 AMAQI
6th Jul 2025481 AMAQI
6th Jul 2025482 AMAQI
6th Jul 2025503 AMAQI
6th Jul 2025494 AMAQI
22°C12/30°C
6th Jul 2025475 AMAQI
6th Jul 2025486 AMAQI
6th Jul 2025487 AMAQI
6th Jul 2025508 AMAQI
6th Jul 2025519 AMAQI
6th Jul 20255210 AMAQI
6th Jul 20255211 AMAQI
6th Jul 20255112 PMAQI
6th Jul 2025491 PMAQI
6th Jul 2025492 PMAQI
6th Jul 2025503 PMAQI
6th Jul 2025504 PMAQI
6th Jul 2025525 PMAQI
6th Jul 2025506 PMAQI
6th Jul 2025517 PMAQI
6th Jul 2025518 PMAQI
6th Jul 2025509 PMAQI
6th Jul 20255110 PMAQI
6th Jul 20255011 PMAQI
7th Jul 20255112 AMAQI
7th Jul 2025521 AMAQI
7th Jul 2025492 AMAQI
7th Jul 2025493 AMAQI
7th Jul 2025514 AMAQI
26°C19/34°C
7th Jul 2025485 AMAQI
7th Jul 2025506 AMAQI
7th Jul 2025507 AMAQI
7th Jul 2025508 AMAQI
7th Jul 2025519 AMAQI
7th Jul 20255010 AMAQI
7th Jul 20255011 AMAQI
7th Jul 20255012 PMAQI
7th Jul 2025491 PMAQI
7th Jul 2025482 PMAQI
7th Jul 2025453 PMAQI
7th Jul 2025454 PMAQI
7th Jul 2025455 PMAQI
7th Jul 2025436 PMAQI
7th Jul 2025417 PMAQI
7th Jul 2025408 PMAQI
7th Jul 2025489 PMAQI
7th Jul 20254710 PMAQI
7th Jul 20253811 PMAQI
8th Jul 20253712 AMAQI
8th Jul 2025381 AMAQI
8th Jul 2025252 AMAQI
8th Jul 2025233 AMAQI
8th Jul 2025224 AMAQI
24°C18/30°C
8th Jul 2025235 AMAQI
8th Jul 2025226 AMAQI
8th Jul 2025247 AMAQI
8th Jul 2025258 AMAQI
8th Jul 2025249 AMAQI
8th Jul 20252510 AMAQI
8th Jul 20252511 AMAQI
8th Jul 20252312 PMAQI
8th Jul 2025231 PMAQI
8th Jul 2025242 PMAQI
8th Jul 2025243 PMAQI
8th Jul 2025244 PMAQI
8th Jul 2025285 PMAQI
8th Jul 2025266 PMAQI
8th Jul 2025277 PMAQI
8th Jul 2025278 PMAQI
8th Jul 2025259 PMAQI
8th Jul 20252510 PMAQI
8th Jul 20252711 PMAQI
9th Jul 20252812 AMAQI
9th Jul 2025281 AMAQI
9th Jul 2025282 AMAQI
9th Jul 2025283 AMAQI
9th Jul 2025304 AMAQI
21°C17/27°C
9th Jul 2025315 AMAQI
9th Jul 2025326 AMAQI
9th Jul 2025317 AMAQI
9th Jul 2025288 AMAQI
9th Jul 2025289 AMAQI
9th Jul 20253010 AMAQI
9th Jul 20253111 AMAQI
9th Jul 20253312 PMAQI
9th Jul 2025321 PMAQI
9th Jul 2025332 PMAQI
9th Jul 2025333 PMAQI
9th Jul 2025324 PMAQI
9th Jul 2025325 PMAQI
9th Jul 2025316 PMAQI
9th Jul 2025337 PMAQI
9th Jul 2025368 PMAQI
9th Jul 2025349 PMAQI
9th Jul 20253410 PMAQI
9th Jul 20254011 PMAQI
10th Jul 20254012 AMAQI
10th Jul 2025421 AMAQI
10th Jul 2025472 AMAQI
10th Jul 2025493 AMAQI
10th Jul 2025464 AMAQI
21°C16/27°C
10th Jul 2025465 AMAQI
10th Jul 2025486 AMAQI
10th Jul 2025487 AMAQI
10th Jul 2025488 AMAQI
10th Jul 2025529 AMAQI
10th Jul 20255210 AMAQI
10th Jul 20255011 AMAQI
10th Jul 20255112 PMAQI
10th Jul 2025501 PMAQI
10th Jul 2025472 PMAQI
10th Jul 2025443 PMAQI
10th Jul 2025434 PMAQI
10th Jul 2025465 PMAQI
10th Jul 2025456 PMAQI
10th Jul 2025487 PMAQI
10th Jul 2025478 PMAQI
10th Jul 2025469 PMAQI
10th Jul 20254510 PMAQI
10th Jul 20254411 PMAQI
11th Jul 20254312 AMAQI
11th Jul 2025421 AMAQI
11th Jul 2025452 AMAQI
11th Jul 2025433 AMAQI
11th Jul 2025404 AMAQI
22°C16/30°C
11th Jul 2025435 AMAQI
11th Jul 2025426 AMAQI
11th Jul 2025447 AMAQI
11th Jul 2025488 AMAQI
11th Jul 2025519 AMAQI
11th Jul 20255410 AMAQI
11th Jul 20255311 AMAQI
11th Jul 20255312 PMAQI
11th Jul 2025531 PMAQI
11th Jul 2025492 PMAQI
11th Jul 2025463 PMAQI
11th Jul 2025484 PMAQI
11th Jul 2025505 PMAQI
11th Jul 2025536 PMAQI
11th Jul 2025527 PMAQI
11th Jul 2025508 PMAQI
11th Jul 2025469 PMAQI
11th Jul 20254610 PMAQI
11th Jul 20254911 PMAQI
12th Jul 20254812 AMAQI
12th Jul 2025501 AMAQI
12th Jul 2025512 AMAQI
12th Jul 2025523 AMAQI
12th Jul 2025514 AMAQI
23°C17/31°C
12th Jul 2025485 AMAQI
12th Jul 2025516 AMAQI
12th Jul 2025507 AMAQI
12th Jul 2025528 AMAQI
12th Jul 2025529 AMAQI
12th Jul 20255210 AMAQI
12th Jul 20255011 AMAQI
12th Jul 20254912 PMAQI
12th Jul 2025471 PMAQI
12th Jul 2025452 PMAQI
12th Jul 2025463 PMAQI
12th Jul 2025444 PMAQI
12th Jul 2025465 PMAQI
12th Jul 2025466 PMAQI
12th Jul 2025477 PMAQI
12th Jul 2025478 PMAQI
12th Jul 2025469 PMAQI
12th Jul 20254610 PMAQI
12th Jul 20254211 PMAQI
13th Jul 20254112 AMAQI
13th Jul 2025431 AMAQI
13th Jul 2025392 AMAQI
13th Jul 2025323 AMAQI
13th Jul 2025324 AMAQI
24°C18/32°C
13th Jul 2025315 AMAQI
13th Jul 2025306 AMAQI
13th Jul 2025357 AMAQI
13th Jul 2025378 AMAQI
13th Jul 2025389 AMAQI
13th Jul 20253810 AMAQI
13th Jul 20253911 AMAQI
13th Jul 20253912 PMAQI
13th Jul 2025371 PMAQI
13th Jul 2025362 PMAQI
13th Jul 2025343 PMAQI
13th Jul 2025334 PMAQI
13th Jul 2025345 PMAQI
13th Jul 2025336 PMAQI
13th Jul 2025347 PMAQI
13th Jul 2025348 PMAQI
13th Jul 2025359 PMAQI
13th Jul 20253510 PMAQI
13th Jul 20253511 PMAQI
14th Jul 20253812 AMAQI
14th Jul 2025351 AMAQI
14th Jul 2025372 AMAQI
14th Jul 2025543 AMAQI
14th Jul 2025394 AMAQI
25°C22/28°C
14th Jul 2025325 AMAQI
14th Jul 2025356 AMAQI
14th Jul 2025427 AMAQI
14th Jul 2025438 AMAQI
14th Jul 2025429 AMAQI
14th Jul 20254210 AMAQI
14th Jul 20254811 AMAQI
14th Jul 20255412 PMAQI
14th Jul 2025561 PMAQI
14th Jul 2025542 PMAQI
14th Jul 2025553 PMAQI
14th Jul 2025524 PMAQI
14th Jul 2025485 PMAQI
14th Jul 2025496 PMAQI
14th Jul 2025497 PMAQI
14th Jul 2025508 PMAQI
14th Jul 2025449 PMAQI
14th Jul 20254510 PMAQI
14th Jul 20254411 PMAQI
15th Jul 20254512 AMAQI
15th Jul 2025451 AMAQI
15th Jul 2025442 AMAQI
15th Jul 2025443 AMAQI
15th Jul 2025504 AMAQI
24°C17/32°C
15th Jul 2025485 AMAQI
15th Jul 2025506 AMAQI
15th Jul 2025527 AMAQI
15th Jul 2025548 AMAQI
15th Jul 2025639 AMAQI
15th Jul 20255810 AMAQI
15th Jul 20255811 AMAQI
15th Jul 20255812 PMAQI
15th Jul 2025531 PMAQI
15th Jul 2025622 PMAQI
15th Jul 2025643 PMAQI
15th Jul 2025594 PMAQI
15th Jul 2025545 PMAQI
15th Jul 2025556 PMAQI
15th Jul 2025547 PMAQI
15th Jul 2025548 PMAQI
15th Jul 2025539 PMAQI
15th Jul 20255210 PMAQI
15th Jul 20255311 PMAQI
16th Jul 20255212 AMAQI
16th Jul 2025531 AMAQI
16th Jul 2025492 AMAQI
16th Jul 2025533 AMAQI
16th Jul 2025564 AMAQI
24°C15/33°C
16th Jul 2025525 AMAQI
16th Jul 2025566 AMAQI
16th Jul 2025607 AMAQI
16th Jul 2025588 AMAQI
16th Jul 2025629 AMAQI
16th Jul 20256810 AMAQI
16th Jul 20256711 AMAQI
16th Jul 20256412 PMAQI
16th Jul 2025631 PMAQI
16th Jul 2025642 PMAQI
16th Jul 2025643 PMAQI
16th Jul 2025624 PMAQI
16th Jul 2025605 PMAQI
16th Jul 2025596 PMAQI
16th Jul 2025587 PMAQI
16th Jul 2025588 PMAQI
16th Jul 2025589 PMAQI
16th Jul 20256010 PMAQI
16th Jul 20256011 PMAQI
17th Jul 20256012 AMAQI
17th Jul 2025581 AMAQI
17th Jul 2025642 AMAQI
17th Jul 2025433 AMAQI
17th Jul 2025344 AMAQI
25°C18/35°C
17th Jul 2025305 AMAQI
17th Jul 2025256 AMAQI
17th Jul 2025247 AMAQI
17th Jul 2025268 AMAQI
17th Jul 2025329 AMAQI
17th Jul 20253310 AMAQI
17th Jul 20253311 AMAQI
17th Jul 20253312 PMAQI
17th Jul 2025431 PMAQI
17th Jul 2025372 PMAQI
17th Jul 2025333 PMAQI
17th Jul 2025324 PMAQI
17th Jul 2025325 PMAQI
17th Jul 2025326 PMAQI
17th Jul 2025327 PMAQI
17th Jul 2025318 PMAQI
17th Jul 2025349 PMAQI
17th Jul 20253310 PMAQI
17th Jul 20253011 PMAQI
18th Jul 20252712 AMAQI
18th Jul 2025261 AMAQI
18th Jul 2025202 AMAQI
18th Jul 2025203 AMAQI
18th Jul 2025214 AMAQI
24°C17/30°C
18th Jul 2025205 AMAQI
18th Jul 2025216 AMAQI
18th Jul 2025207 AMAQI
18th Jul 2025208 AMAQI
18th Jul 2025199 AMAQI
18th Jul 20251910 AMAQI
18th Jul 20251911 AMAQI
18th Jul 20251912 PMAQI
18th Jul 2025191 PMAQI
18th Jul 2025192 PMAQI
18th Jul 2025193 PMAQI
18th Jul 2025194 PMAQI
18th Jul 2025195 PMAQI
18th Jul 2025196 PMAQI
18th Jul 2025197 PMAQI
18th Jul 2025198 PMAQI
18th Jul 2025199 PMAQI
18th Jul 20251910 PMAQI
18th Jul 20252011 PMAQI
19th Jul 20252012 AMAQI
19th Jul 2025211 AMAQI
19th Jul 2025212 AMAQI
19th Jul 2025223 AMAQI
19th Jul 2025274 AMAQI
19°C10/28°C
19th Jul 2025285 AMAQI
19th Jul 2025256 AMAQI
19th Jul 2025267 AMAQI
19th Jul 2025278 AMAQI
19th Jul 2025279 AMAQI
19th Jul 20252610 AMAQI
19th Jul 20252511 AMAQI
19th Jul 20252312 PMAQI
19th Jul 2025211 PMAQI
19th Jul 2025212 PMAQI
19th Jul 2025213 PMAQI
19th Jul 2025224 PMAQI
19th Jul 2025235 PMAQI
19th Jul 2025236 PMAQI
19th Jul 2025237 PMAQI
19th Jul 2025248 PMAQI
19th Jul 2025249 PMAQI
19th Jul 20252410 PMAQI
19th Jul 20252511 PMAQI
20th Jul 20252412 AMAQI
20th Jul 2025261 AMAQI
20th Jul 2025222 AMAQI
20th Jul 2025243 AMAQI
20th Jul 2025204 AMAQI
20°C10/27°C
20th Jul 2025225 AMAQI
20th Jul 2025216 AMAQI
20th Jul 2025217 AMAQI
20th Jul 2025228 AMAQI
20th Jul 2025229 AMAQI
20th Jul 20252210 AMAQI
20th Jul 20252311 AMAQI
20th Jul 20252312 PMAQI
20th Jul 2025241 PMAQI
20th Jul 2025252 PMAQI
20th Jul 2025273 PMAQI
20th Jul 2025264 PMAQI
20th Jul 2025255 PMAQI
20th Jul 2025246 PMAQI
20th Jul 2025247 PMAQI
20th Jul 2025248 PMAQI
20th Jul 2025249 PMAQI
20th Jul 20252410 PMAQI
20th Jul 20252811 PMAQI
21st Jul 20253112 AMAQI
21st Jul 2025361 AMAQI
21st Jul 2025532 AMAQI
21st Jul 2025523 AMAQI
21st Jul 2025554 AMAQI
22°C17/29°C
21st Jul 2025565 AMAQI
21st Jul 2025576 AMAQI
21st Jul 2025507 AMAQI
21st Jul 2025438 AMAQI
21st Jul 2025409 AMAQI
21st Jul 20253410 AMAQI
21st Jul 20253111 AMAQI
21st Jul 20252912 PMAQI
21st Jul 2025281 PMAQI
21st Jul 2025272 PMAQI
21st Jul 2025253 PMAQI
21st Jul 2025284 PMAQI
21st Jul 2025325 PMAQI
21st Jul 2025306 PMAQI
21st Jul 2025307 PMAQI
21st Jul 2025308 PMAQI
21st Jul 2025349 PMAQI
21st Jul 20253510 PMAQI
21st Jul 20253011 PMAQI
22nd Jul 20253012 AMAQI
22nd Jul 2025311 AMAQI
22nd Jul 2025202 AMAQI
22nd Jul 2025163 AMAQI
22nd Jul 2025164 AMAQI
19°C13/26°C
22nd Jul 2025165 AMAQI
22nd Jul 2025166 AMAQI
22nd Jul 2025157 AMAQI
22nd Jul 2025168 AMAQI
22nd Jul 2025179 AMAQI
22nd Jul 20251610 AMAQI
22nd Jul 20251711 AMAQI
22nd Jul 20251612 PMAQI
22nd Jul 2025161 PMAQI
22nd Jul 2025162 PMAQI
22nd Jul 2025163 PMAQI
22nd Jul 2025184 PMAQI
22nd Jul 2025185 PMAQI
22nd Jul 2025186 PMAQI
22nd Jul 2025177 PMAQI
22nd Jul 2025188 PMAQI
22nd Jul 2025199 PMAQI
22nd Jul 20251910 PMAQI
22nd Jul 20251911 PMAQI
23rd Jul 20251912 AMAQI
23rd Jul 2025191 AMAQI
23rd Jul 2025202 AMAQI
23rd Jul 2025193 AMAQI
23rd Jul 2025224 AMAQI
18°C10/24°C
23rd Jul 2025235 AMAQI
23rd Jul 2025216 AMAQI
23rd Jul 2025217 AMAQI
23rd Jul 2025208 AMAQI
23rd Jul 2025229 AMAQI
23rd Jul 20252210 AMAQI
23rd Jul 20251911 AMAQI
23rd Jul 20251812 PMAQI
23rd Jul 2025181 PMAQI
23rd Jul 2025202 PMAQI
23rd Jul 2025183 PMAQI
23rd Jul 2025204 PMAQI
23rd Jul 2025225 PMAQI
23rd Jul 2025226 PMAQI
23rd Jul 2025207 PMAQI
23rd Jul 2025208 PMAQI
23rd Jul 2025219 PMAQI
23rd Jul 20252210 PMAQI
23rd Jul 20252111 PMAQI
24th Jul 20252212 AMAQI
24th Jul 2025221 AMAQI
24th Jul 2025232 AMAQI
24th Jul 2025253 AMAQI
24th Jul 2025264 AMAQI
19°C8/29°C
24th Jul 2025275 AMAQI
24th Jul 2025246 AMAQI
24th Jul 2025227 AMAQI
24th Jul 2025258 AMAQI
24th Jul 2025269 AMAQI
24th Jul 20253110 AMAQI
24th Jul 20253711 AMAQI
24th Jul 20254112 PMAQI
24th Jul 2025421 PMAQI
24th Jul 2025442 PMAQI
24th Jul 2025423 PMAQI
24th Jul 2025404 PMAQI
24th Jul 2025415 PMAQI
24th Jul 2025436 PMAQI
24th Jul 2025427 PMAQI
24th Jul 2025438 PMAQI
24th Jul 2025369 PMAQI
24th Jul 20253710 PMAQI
24th Jul 20254511 PMAQI
25th Jul 20254412 AMAQI
25th Jul 2025391 AMAQI
25th Jul 2025342 AMAQI
25th Jul 2025303 AMAQI
25th Jul 2025314 AMAQI
25°C16/33°C
25th Jul 2025325 AMAQI
25th Jul 2025326 AMAQI
25th Jul 2025277 AMAQI
25th Jul 2025278 AMAQI
25th Jul 2025309 AMAQI
25th Jul 20252910 AMAQI
25th Jul 20252811 AMAQI
25th Jul 20252512 PMAQI
25th Jul 2025241 PMAQI
25th Jul 2025232 PMAQI
25th Jul 2025233 PMAQI
25th Jul 2025264 PMAQI
25th Jul 2025285 PMAQI
25th Jul 2025276 PMAQI
25th Jul 2025287 PMAQI
25th Jul 2025268 PMAQI
25th Jul 2025299 PMAQI
25th Jul 20253010 PMAQI
25th Jul 20253111 PMAQI
26th Jul 20253212 AMAQI
26th Jul 2025351 AMAQI
26th Jul 2025442 AMAQI
26th Jul 2025523 AMAQI
26th Jul 2025604 AMAQI
26°C23/31°C
26th Jul 2025625 AMAQI
26th Jul 2025656 AMAQI
26th Jul 2025567 AMAQI
26th Jul 2025568 AMAQI
26th Jul 2025629 AMAQI
26th Jul 20256110 AMAQI
26th Jul 20255611 AMAQI
26th Jul 20255212 PMAQI
26th Jul 2025521 PMAQI
26th Jul 2025562 PMAQI
26th Jul 2025583 PMAQI
26th Jul 2025594 PMAQI
26th Jul 2025595 PMAQI
26th Jul 2025596 PMAQI
26th Jul 2025597 PMAQI
26th Jul 2025578 PMAQI
26th Jul 2025559 PMAQI
26th Jul 20255410 PMAQI
26th Jul 20255311 PMAQI
27th Jul 20255412 AMAQI
27th Jul 2025551 AMAQI
27th Jul 2025522 AMAQI
27th Jul 2025523 AMAQI
27th Jul 2025524 AMAQI
25°C18/30°C
27th Jul 2025535 AMAQI
27th Jul 2025526 AMAQI
27th Jul 2025507 AMAQI
27th Jul 2025488 AMAQI
27th Jul 2025479 AMAQI
27th Jul 20254810 AMAQI
27th Jul 20254811 AMAQI
27th Jul 20254512 PMAQI
27th Jul 2025421 PMAQI
27th Jul 2025412 PMAQI
27th Jul 2025393 PMAQI
27th Jul 2025384 PMAQI
27th Jul 2025445 PMAQI
27th Jul 2025456 PMAQI
27th Jul 2025487 PMAQI
27th Jul 2025498 PMAQI
27th Jul 2025509 PMAQI
27th Jul 20254910 PMAQI
27th Jul 20254911 PMAQI
28th Jul 20254912 AMAQI
28th Jul 2025501 AMAQI
28th Jul 2025502 AMAQI
28th Jul 2025523 AMAQI
28th Jul 2025524 AMAQI
27°C21/33°C
28th Jul 2025535 AMAQI
28th Jul 2025546 AMAQI
28th Jul 2025557 AMAQI
28th Jul 2025548 AMAQI
28th Jul 2025549 AMAQI
28th Jul 20255310 AMAQI
28th Jul 20255511 AMAQI
28th Jul 20255512 PMAQI
28th Jul 2025541 PMAQI
28th Jul 2025542 PMAQI
28th Jul 2025553 PMAQI
28th Jul 2025544 PMAQI
28th Jul 2025545 PMAQI
28th Jul 2025546 PMAQI
28th Jul 2025547 PMAQI
28th Jul 2025548 PMAQI
28th Jul 2025539 PMAQI
28th Jul 20255410 PMAQI
28th Jul 20255211 PMAQI
29th Jul 20255312 AMAQI
29th Jul 2025531 AMAQI
29th Jul 2025522 AMAQI
29th Jul 2025523 AMAQI
29th Jul 2025524 AMAQI
26°C19/34°C
29th Jul 2025525 AMAQI
29th Jul 2025486 AMAQI
29th Jul 2025467 AMAQI
29th Jul 2025478 AMAQI
29th Jul 2025489 AMAQI
29th Jul 20254610 AMAQI
29th Jul 20254311 AMAQI
29th Jul 20254012 PMAQI
29th Jul 2025391 PMAQI
29th Jul 2025372 PMAQI
29th Jul 2025393 PMAQI
29th Jul 2025414 PMAQI
29th Jul 2025435 PMAQI
29th Jul 2025426 PMAQI
29th Jul 2025437 PMAQI
29th Jul 2025448 PMAQI
29th Jul 2025469 PMAQI
29th Jul 20254710 PMAQI
29th Jul 20254411 PMAQI
30th Jul 20254112 AMAQI
30th Jul 2025431 AMAQI
30th Jul 2025512 AMAQI
30th Jul 2025553 AMAQI
30th Jul 2025584 AMAQI
26°C20/34°C
30th Jul 2025605 AMAQI
30th Jul 2025616 AMAQI
30th Jul 2025597 AMAQI
30th Jul 2025538 AMAQI
30th Jul 2025599 AMAQI
30th Jul 20256110 AMAQI
30th Jul 20256111 AMAQI
30th Jul 20256012 PMAQI
30th Jul 2025601 PMAQI
30th Jul 2025602 PMAQI
30th Jul 2025583 PMAQI
30th Jul 2025584 PMAQI
30th Jul 2025585 PMAQI
30th Jul 2025586 PMAQI
30th Jul 2025587 PMAQI
30th Jul 2025588 PMAQI
30th Jul 2025589 PMAQI
30th Jul 20255810 PMAQI
30th Jul 20255611 PMAQI
31st Jul 20255612 AMAQI
31st Jul 2025561 AMAQI
31st Jul 2025582 AMAQI
31st Jul 2025603 AMAQI
31st Jul 2025624 AMAQI
24°C18/31°C
31st Jul 2025685 AMAQI
31st Jul 2025666 AMAQI
31st Jul 2025627 AMAQI
31st Jul 2025678 AMAQI
31st Jul 2025709 AMAQI
31st Jul 20256810 AMAQI
31st Jul 20256211 AMAQI
31st Jul 20257112 PMAQI
31st Jul 2025781 PMAQI
31st Jul 2025812 PMAQI
31st Jul 2025763 PMAQI
31st Jul 2025744 PMAQI
31st Jul 2025725 PMAQI
31st Jul 2025716 PMAQI
31st Jul 2025677 PMAQI
31st Jul 2025628 PMAQI
31st Jul 2025839 PMAQI
31st Jul 20257210 PMAQI
31st Jul 20255611 PMAQI
1st Aug 20255312 AMAQI
1st Aug 2025541 AMAQI
1st Aug 2025562 AMAQI
1st Aug 2025563 AMAQI
1st Aug 2025514 AMAQI
21°C18/25°C
1st Aug 2025415 AMAQI
1st Aug 2025346 AMAQI
1st Aug 2025287 AMAQI
1st Aug 2025268 AMAQI
1st Aug 2025249 AMAQI
1st Aug 20252510 AMAQI
1st Aug 20252211 AMAQI
1st Aug 20252112 PMAQI
1st Aug 2025181 PMAQI
1st Aug 2025182 PMAQI
1st Aug 2025173 PMAQI
1st Aug 2025174 PMAQI
1st Aug 2025185 PMAQI
1st Aug 2025186 PMAQI
1st Aug 2025177 PMAQI
1st Aug 2025168 PMAQI
1st Aug 2025239 PMAQI
1st Aug 20252210 PMAQI
1st Aug 20252111 PMAQI
2nd Aug 20252012 AMAQI
2nd Aug 2025241 AMAQI
2nd Aug 2025242 AMAQI
2nd Aug 2025323 AMAQI
2nd Aug 2025254 AMAQI
19°C11/27°C
2nd Aug 2025245 AMAQI
5 AM2nd Aug 2025226 AMAQI
2nd Aug 2025227 AMAQI
2nd Aug 2025218 AMAQI
2nd Aug 2025229 AMAQI
2nd Aug 20252210 AMAQI
2nd Aug 20252211 AMAQI
2nd Aug 20252212 PMAQI
12 PM2nd Aug 2025241 PMAQI
2nd Aug 2025282 PMAQI
8 PM
12 AM
4 AM
--°C/°C
Day time
Avg. Highest Time
5 AM - 8 PM
40AQI
16 hours / Day
480 hours / Month
Avg. Lowest Time
5 AM - 8 PM
40AQI
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. 40), while the lowest AQI was between 5 AM to 8 PM (Avg. 40).
Night time
Avg. Highest Time
12 AM - 11 PM
40AQI
8 hours / Day
240 hours / Month
Avg. Lowest Time
12 AM - 4 AM
39AQI
5 hours / Day
150 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 12 AM to 11 PM (Avg. 40), while the lowest AQI was between 12 AM to 4 AM (Avg. 39).
2025 Days Vs Air Quality
Belleville, Ontario, Canada
2025
91%
193
9%
20
Total number of days with different AQI categories in last 214 days in 2025 (151 days remaining)
Good
193 DaysModerate
20 DaysPoor
0 DaysUnhealthy
0 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 91%
Health Risk Level:
Very Low
In 2025, 91% of 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
Belleville, 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
18AQI
18AQI
2nd January 2025
22AQI
22AQI
3rd January 2025
22AQI
22AQI
4th January 2025
27AQI
27AQI
5th January 2025
27AQI
27AQI
6th January 2025
23AQI
23AQI
7th January 2025
23AQI
23AQI
8th January 2025
25AQI
25AQI
9th January 2025
26AQI
26AQI
10th January 2025
28AQI
28AQI
11th January 2025
29AQI
29AQI
12th January 2025
54AQI
54AQI
13th January 2025
34AQI
34AQI
14th January 2025
26AQI
26AQI
15th January 2025
22AQI
22AQI
16th January 2025
32AQI
32AQI
17th January 2025
49AQI
49AQI
18th January 2025
27AQI
27AQI
19th January 2025
24AQI
24AQI
20th January 2025
25AQI
25AQI
21st January 2025
26AQI
26AQI
22nd January 2025
26AQI
26AQI
23rd January 2025
33AQI
33AQI
24th January 2025
39AQI
39AQI
25th January 2025
44AQI
44AQI
26th January 2025
34AQI
34AQI
27th January 2025
29AQI
29AQI
28th January 2025
30AQI
30AQI
29th January 2025
27AQI
27AQI
30th January 2025
26AQI
26AQI
31st January 2025
38AQI
38AQI
1st February 2025
28AQI
28AQI
2nd February 2025
26AQI
26AQI
3rd February 2025
43AQI
43AQI
4th February 2025
23AQI
23AQI
5th February 2025
24AQI
24AQI
6th February 2025
28AQI
28AQI
7th February 2025
28AQI
28AQI
8th February 2025
29AQI
29AQI
9th February 2025
27AQI
27AQI
10th February 2025
29AQI
29AQI
11th February 2025
30AQI
30AQI
12th February 2025
27AQI
27AQI
13th February 2025
25AQI
25AQI
14th February 2025
28AQI
28AQI
15th February 2025
30AQI
30AQI
16th February 2025
27AQI
27AQI
17th February 2025
27AQI
27AQI
18th February 2025
28AQI
28AQI
19th February 2025
22AQI
22AQI
20th February 2025
21AQI
21AQI
21st February 2025
27AQI
27AQI
22nd February 2025
36AQI
36AQI
23rd February 2025
55AQI
55AQI
24th February 2025
50AQI
50AQI
25th February 2025
56AQI
56AQI
26th February 2025
32AQI
32AQI
27th February 2025
29AQI
29AQI
28th February 2025
28AQI
28AQI
1st March 2025
29AQI
29AQI
2nd March 2025
27AQI
27AQI
3rd March 2025
29AQI
29AQI
4th March 2025
35AQI
35AQI
5th March 2025
32AQI
32AQI
6th March 2025
24AQI
24AQI
7th March 2025
31AQI
31AQI
8th March 2025
31AQI
31AQI
9th March 2025
30AQI
30AQI
10th March 2025
30AQI
30AQI
11th March 2025
30AQI
30AQI
12th March 2025
28AQI
28AQI
13th March 2025
27AQI
27AQI
14th March 2025
50AQI
50AQI
15th March 2025
52AQI
52AQI
16th March 2025
29AQI
29AQI
17th March 2025
15AQI
15AQI
18th March 2025
19AQI
19AQI
19th March 2025
23AQI
23AQI
20th March 2025
22AQI
22AQI
21st March 2025
15AQI
15AQI
22nd March 2025
17AQI
17AQI
23rd March 2025
17AQI
17AQI
24th March 2025
20AQI
20AQI
25th March 2025
19AQI
19AQI
26th March 2025
19AQI
19AQI
27th March 2025
19AQI
19AQI
28th March 2025
19AQI
19AQI
29th March 2025
18AQI
18AQI
30th March 2025
23AQI
23AQI
31st March 2025
23AQI
23AQI
1st April 2025
16AQI
16AQI
2nd April 2025
17AQI
17AQI
3rd April 2025
23AQI
23AQI
4th April 2025
17AQI
17AQI
5th April 2025
18AQI
18AQI
6th April 2025
17AQI
17AQI
7th April 2025
17AQI
17AQI
8th April 2025
15AQI
15AQI
9th April 2025
17AQI
17AQI
10th April 2025
27AQI
27AQI
11th April 2025
25AQI
25AQI
12th April 2025
33AQI
33AQI
13th April 2025
22AQI
22AQI
14th April 2025
23AQI
23AQI
15th April 2025
22AQI
22AQI
16th April 2025
14AQI
14AQI
17th April 2025
16AQI
16AQI
18th April 2025
25AQI
25AQI
19th April 2025
45AQI
45AQI
20th April 2025
16AQI
16AQI
21st April 2025
17AQI
17AQI
22nd April 2025
19AQI
19AQI
23rd April 2025
14AQI
14AQI
24th April 2025
22AQI
22AQI
25th April 2025
29AQI
29AQI
26th April 2025
26AQI
26AQI
27th April 2025
14AQI
14AQI
28th April 2025
17AQI
17AQI
29th April 2025
27AQI
27AQI
30th April 2025
15AQI
15AQI
1st May 2025
17AQI
17AQI
2nd May 2025
25AQI
25AQI
3rd May 2025
15AQI
15AQI
4th May 2025
18AQI
18AQI
5th May 2025
17AQI
17AQI
6th May 2025
16AQI
16AQI
7th May 2025
21AQI
21AQI
8th May 2025
15AQI
15AQI
9th May 2025
18AQI
18AQI
10th May 2025
19AQI
19AQI
11th May 2025
19AQI
19AQI
12th May 2025
22AQI
22AQI
13th May 2025
31AQI
31AQI
14th May 2025
24AQI
24AQI
15th May 2025
22AQI
22AQI
16th May 2025
28AQI
28AQI
17th May 2025
30AQI
30AQI
18th May 2025
17AQI
17AQI
19th May 2025
13AQI
13AQI
20th May 2025
12AQI
12AQI
21st May 2025
16AQI
16AQI
22nd May 2025
16AQI
16AQI
23rd May 2025
11AQI
11AQI
24th May 2025
12AQI
12AQI
25th May 2025
14AQI
14AQI
26th May 2025
18AQI
18AQI
27th May 2025
24AQI
24AQI
28th May 2025
27AQI
27AQI
29th May 2025
20AQI
20AQI
30th May 2025
35AQI
35AQI
31st May 2025
22AQI
22AQI
1st June 2025
12AQI
12AQI
2nd June 2025
17AQI
17AQI
3rd June 2025
26AQI
26AQI
4th June 2025
50AQI
50AQI
5th June 2025
44AQI
44AQI
6th June 2025
56AQI
56AQI
7th June 2025
59AQI
59AQI
8th June 2025
69AQI
69AQI
9th June 2025
51AQI
51AQI
10th June 2025
35AQI
35AQI
11th June 2025
52AQI
52AQI
12th June 2025
63AQI
63AQI
13th June 2025
31AQI
31AQI
14th June 2025
26AQI
26AQI
15th June 2025
30AQI
30AQI
16th June 2025
34AQI
34AQI
17th June 2025
25AQI
25AQI
18th June 2025
29AQI
29AQI
19th June 2025
31AQI
31AQI
20th June 2025
28AQI
28AQI
21st June 2025
52AQI
52AQI
22nd June 2025
54AQI
54AQI
23rd June 2025
52AQI
52AQI
24th June 2025
54AQI
54AQI
25th June 2025
40AQI
40AQI
26th June 2025
31AQI
31AQI
27th June 2025
28AQI
28AQI
28th June 2025
26AQI
26AQI
29th June 2025
27AQI
27AQI
30th June 2025
29AQI
29AQI
1st July 2025
33AQI
33AQI
2nd July 2025
28AQI
28AQI
3rd July 2025
43AQI
43AQI
4th July 2025
31AQI
31AQI
5th July 2025
37AQI
37AQI
6th July 2025
49AQI
49AQI
7th July 2025
48AQI
48AQI
8th July 2025
27AQI
27AQI
9th July 2025
31AQI
31AQI
10th July 2025
46AQI
46AQI
11th July 2025
47AQI
47AQI
12th July 2025
48AQI
48AQI
13th July 2025
36AQI
36AQI
14th July 2025
44AQI
44AQI
15th July 2025
52AQI
52AQI
16th July 2025
58AQI
58AQI
17th July 2025
38AQI
38AQI
18th July 2025
21AQI
21AQI
19th July 2025
23AQI
23AQI
20th July 2025
24AQI
24AQI
21st July 2025
37AQI
37AQI
22nd July 2025
19AQI
19AQI
23rd July 2025
20AQI
20AQI
24th July 2025
33AQI
33AQI
25th July 2025
31AQI
31AQI
26th July 2025
53AQI
53AQI
27th July 2025
49AQI
49AQI
28th July 2025
53AQI
53AQI
29th July 2025
46AQI
46AQI
30th July 2025
55AQI
55AQI
31st July 2025
66AQI
66AQI
1st August 2025
34AQI
34AQI
30AQI
31AQI
26AQI
21AQI
20AQI
39AQI
40AQI
34AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202529AQI
30
1
26
2
30
1
30
31
20
10
25
6
1
193
20
Highest AQI recorded in
July40AQI
Lowest AQI recorded in
May20AQI
202428AQI
30
1
28
1
31
30
31
29
30
1
26
5
30
30
1
30
30
1
355
10
Highest AQI recorded in
August33AQI
Lowest AQI recorded in
November18AQI
202337AQI
31
26
2
31
25
5
30
1
13
11
2
3
1
22
8
1
29
2
25
5
31
27
2
26
5
316
41
3
3
1
Highest AQI recorded in
June76AQI
Lowest AQI recorded in
October25AQI
202230AQI
30
1
19
2
29
2
30
31
28
2
20
1
1
29
31
28
2
31
307
10
Highest AQI recorded in
February34AQI
Lowest AQI recorded in
August20AQI
202131AQI
25
5
28
30
1
30
28
3
27
3
27
4
25
6
30
30
1
29
1
30
1
339
25
Highest AQI recorded in
August38AQI
Lowest AQI recorded in
October24AQI
202032AQI
13
21
17
1
26
4
25
6
28
3
26
4
30
1
26
4
29
2
241
25
Highest AQI recorded in
July38AQI
Lowest AQI recorded in
October26AQI
Most & Least Polluted Years Over the Last 6 Years
Most Polluted Year Recorded
2023(Avg.)
37AQILeast Polluted Year Recorded
2024(Avg.)
28AQIBelleville's annual 2025 AQI (29) shows an average percentage change of -6.7% (improved AQI) compared to previous years: 2020 (32), 2021 (31), 2022 (30), 2023 (37), 2024 (28).
