Grand Avenue West, Chatham, 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
Grand Avenue West, Chatham, Ontario, Canada
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
4th Aug 2025
119AQILowest AQI recorded on
2nd Aug 2025
34AQISame Day Analysis (6th August ):
On this day, AQI across the 1 years varied significantly: 2025 ranks 1st highest AQI at 79 of Moderate air quality on the same day.
Download 2024 Annual Data
World Air Quality Report
Day & Night AQI Trend: 6th Aug - 7th Aug 2025
Grand Avenue West, Chatham, Ontario, Canada
AQI
Day
Night
.
6 AM6th Aug 2025
9 PM
5 AM7th Aug 2025
Day time
Avg. Highest Time
10AM6th Aug
86AQI
Avg. Lowest Time
7PM6th Aug
76AQI
Night time
Avg. Highest Time
3AM7th Aug
83AQI
Avg. Lowest Time
4AM7th Aug
79AQI
In the last 24 hours,
Grand Avenue West's AQI reached its highest point of 86 at 10 AM during the Day, while the lowest point, undefined, was recorded at 5 AM during the Night between 6th Aug and 7th Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Grand Avenue West, Chatham, Ontario, Canada
JulAug
08th - 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 - 06th06th - 07th07th
Day
Night
8th Jul 2025426 AMAQI
8th Jul 2025517 AMAQI
8th Jul 2025548 AMAQI
8th Jul 2025559 AMAQI
8th Jul 20255810 AMAQI
8th Jul 20255711 AMAQI
8th Jul 20255512 PMAQI
8th Jul 2025571 PMAQI
8th Jul 2025582 PMAQI
8th Jul 2025583 PMAQI
8th Jul 2025594 PMAQI
8th Jul 2025585 PMAQI
8th Jul 2025576 PMAQI
8th Jul 2025567 PMAQI
8th Jul 2025538 PMAQI
8th Jul 2025539 PMAQI
8th Jul 20255410 PMAQI
8th Jul 20255411 PMAQI
9th Jul 20255512 AMAQI
9th Jul 2025561 AMAQI
9th Jul 2025562 AMAQI
9th Jul 2025593 AMAQI
9th Jul 2025574 AMAQI
9th Jul 2025595 AMAQI
21°C12/28°C
9th Jul 2025586 AMAQI
9th Jul 2025577 AMAQI
9th Jul 2025568 AMAQI
9th Jul 2025589 AMAQI
9th Jul 20255810 AMAQI
9th Jul 20255611 AMAQI
9th Jul 20255612 PMAQI
9th Jul 2025551 PMAQI
9th Jul 2025542 PMAQI
9th Jul 2025523 PMAQI
9th Jul 2025534 PMAQI
9th Jul 2025555 PMAQI
9th Jul 2025556 PMAQI
9th Jul 2025557 PMAQI
9th Jul 2025568 PMAQI
9th Jul 2025549 PMAQI
9th Jul 20255410 PMAQI
9th Jul 20255211 PMAQI
10th Jul 20255412 AMAQI
10th Jul 2025531 AMAQI
10th Jul 2025482 AMAQI
10th Jul 2025503 AMAQI
10th Jul 2025494 AMAQI
10th Jul 2025525 AMAQI
23°C19/28°C
10th Jul 2025546 AMAQI
10th Jul 2025547 AMAQI
10th Jul 2025538 AMAQI
10th Jul 2025539 AMAQI
10th Jul 20255210 AMAQI
10th Jul 20255011 AMAQI
10th Jul 20254912 PMAQI
10th Jul 2025501 PMAQI
10th Jul 2025512 PMAQI
10th Jul 2025493 PMAQI
10th Jul 2025504 PMAQI
10th Jul 2025515 PMAQI
10th Jul 2025506 PMAQI
10th Jul 2025507 PMAQI
10th Jul 2025508 PMAQI
10th Jul 2025519 PMAQI
10th Jul 20255010 PMAQI
10th Jul 20254811 PMAQI
11th Jul 20255012 AMAQI
11th Jul 2025491 AMAQI
11th Jul 2025442 AMAQI
11th Jul 2025483 AMAQI
11th Jul 2025484 AMAQI
11th Jul 2025455 AMAQI
23°C17/28°C
11th Jul 2025466 AMAQI
11th Jul 2025457 AMAQI
11th Jul 2025498 AMAQI
11th Jul 2025529 AMAQI
11th Jul 20255210 AMAQI
11th Jul 20255211 AMAQI
11th Jul 20255112 PMAQI
11th Jul 2025511 PMAQI
11th Jul 2025482 PMAQI
11th Jul 2025483 PMAQI
11th Jul 2025484 PMAQI
11th Jul 2025485 PMAQI
11th Jul 2025486 PMAQI
11th Jul 2025467 PMAQI
11th Jul 2025458 PMAQI
11th Jul 2025469 PMAQI
11th Jul 20254610 PMAQI
11th Jul 20254211 PMAQI
12th Jul 20254212 AMAQI
12th Jul 2025411 AMAQI
12th Jul 2025322 AMAQI
12th Jul 2025303 AMAQI
12th Jul 2025294 AMAQI
12th Jul 2025325 AMAQI
22°C18/27°C
12th Jul 2025306 AMAQI
12th Jul 2025277 AMAQI
12th Jul 2025298 AMAQI
12th Jul 2025329 AMAQI
12th Jul 20253610 AMAQI
12th Jul 20254011 AMAQI
12th Jul 20254012 PMAQI
12th Jul 2025391 PMAQI
12th Jul 2025402 PMAQI
12th Jul 2025383 PMAQI
12th Jul 2025394 PMAQI
12th Jul 2025385 PMAQI
12th Jul 2025386 PMAQI
12th Jul 2025377 PMAQI
12th Jul 2025368 PMAQI
12th Jul 2025369 PMAQI
12th Jul 20253610 PMAQI
12th Jul 20253611 PMAQI
13th Jul 20253512 AMAQI
13th Jul 2025361 AMAQI
13th Jul 2025362 AMAQI
13th Jul 2025363 AMAQI
13th Jul 2025344 AMAQI
13th Jul 2025345 AMAQI
27°C21/34°C
13th Jul 2025316 AMAQI
13th Jul 2025317 AMAQI
13th Jul 2025308 AMAQI
13th Jul 2025319 AMAQI
13th Jul 20253010 AMAQI
13th Jul 20253211 AMAQI
13th Jul 20253112 PMAQI
13th Jul 2025341 PMAQI
13th Jul 2025362 PMAQI
13th Jul 2025353 PMAQI
13th Jul 2025364 PMAQI
13th Jul 2025355 PMAQI
13th Jul 2025346 PMAQI
13th Jul 2025347 PMAQI
13th Jul 2025368 PMAQI
13th Jul 2025349 PMAQI
13th Jul 20253610 PMAQI
13th Jul 20254411 PMAQI
14th Jul 20255112 AMAQI
14th Jul 2025481 AMAQI
14th Jul 2025582 AMAQI
14th Jul 2025643 AMAQI
14th Jul 2025574 AMAQI
14th Jul 2025595 AMAQI
26°C23/31°C
14th Jul 2025646 AMAQI
14th Jul 2025667 AMAQI
14th Jul 2025678 AMAQI
14th Jul 2025749 AMAQI
14th Jul 20257110 AMAQI
14th Jul 20257411 AMAQI
14th Jul 20257412 PMAQI
14th Jul 2025761 PMAQI
14th Jul 2025792 PMAQI
14th Jul 2025803 PMAQI
14th Jul 2025754 PMAQI
14th Jul 2025745 PMAQI
14th Jul 2025736 PMAQI
14th Jul 2025777 PMAQI
14th Jul 2025768 PMAQI
14th Jul 2025689 PMAQI
14th Jul 20256710 PMAQI
14th Jul 20257011 PMAQI
15th Jul 20257012 AMAQI
15th Jul 2025711 AMAQI
15th Jul 2025772 AMAQI
15th Jul 2025803 AMAQI
15th Jul 2025914 AMAQI
15th Jul 2025905 AMAQI
26°C19/31°C
15th Jul 2025916 AMAQI
15th Jul 2025887 AMAQI
15th Jul 2025888 AMAQI
15th Jul 2025929 AMAQI
15th Jul 20259110 AMAQI
15th Jul 20258711 AMAQI
15th Jul 20259212 PMAQI
15th Jul 2025971 PMAQI
15th Jul 2025982 PMAQI
15th Jul 2025953 PMAQI
15th Jul 2025944 PMAQI
15th Jul 2025945 PMAQI
15th Jul 2025946 PMAQI
15th Jul 2025947 PMAQI
15th Jul 2025968 PMAQI
15th Jul 2025929 PMAQI
15th Jul 20259210 PMAQI
15th Jul 20259511 PMAQI
16th Jul 20259512 AMAQI
16th Jul 2025961 AMAQI
16th Jul 2025972 AMAQI
16th Jul 2025983 AMAQI
16th Jul 2025934 AMAQI
16th Jul 2025895 AMAQI
25°C18/32°C
16th Jul 2025896 AMAQI
16th Jul 2025907 AMAQI
16th Jul 2025918 AMAQI
16th Jul 2025929 AMAQI
16th Jul 20258810 AMAQI
16th Jul 20258211 AMAQI
16th Jul 20257812 PMAQI
16th Jul 2025721 PMAQI
16th Jul 2025712 PMAQI
16th Jul 2025703 PMAQI
16th Jul 2025664 PMAQI
16th Jul 2025695 PMAQI
16th Jul 2025636 PMAQI
16th Jul 2025667 PMAQI
16th Jul 2025598 PMAQI
16th Jul 2025779 PMAQI
16th Jul 20257810 PMAQI
16th Jul 20256211 PMAQI
17th Jul 20256012 AMAQI
17th Jul 2025601 AMAQI
17th Jul 2025422 AMAQI
17th Jul 2025353 AMAQI
17th Jul 2025364 AMAQI
17th Jul 2025375 AMAQI
25°C20/29°C
17th Jul 2025346 AMAQI
17th Jul 2025377 AMAQI
17th Jul 2025348 AMAQI
17th Jul 2025329 AMAQI
17th Jul 20253310 AMAQI
17th Jul 20253211 AMAQI
17th Jul 20254212 PMAQI
17th Jul 2025531 PMAQI
17th Jul 2025432 PMAQI
17th Jul 2025323 PMAQI
17th Jul 2025334 PMAQI
17th Jul 2025325 PMAQI
17th Jul 2025326 PMAQI
17th Jul 2025327 PMAQI
17th Jul 2025328 PMAQI
17th Jul 2025329 PMAQI
17th Jul 20253010 PMAQI
17th Jul 20253111 PMAQI
18th Jul 20253012 AMAQI
18th Jul 2025311 AMAQI
18th Jul 2025292 AMAQI
18th Jul 2025293 AMAQI
18th Jul 2025264 AMAQI
18th Jul 2025285 AMAQI
23°C18/26°C
18th Jul 2025266 AMAQI
18th Jul 2025287 AMAQI
18th Jul 2025268 AMAQI
18th Jul 2025269 AMAQI
18th Jul 20252610 AMAQI
18th Jul 20252611 AMAQI
18th Jul 20252712 PMAQI
18th Jul 2025291 PMAQI
18th Jul 2025262 PMAQI
18th Jul 2025263 PMAQI
18th Jul 2025264 PMAQI
18th Jul 2025265 PMAQI
18th Jul 2025266 PMAQI
18th Jul 2025267 PMAQI
18th Jul 2025258 PMAQI
18th Jul 2025259 PMAQI
18th Jul 20252510 PMAQI
18th Jul 20252411 PMAQI
19th Jul 20252412 AMAQI
19th Jul 2025261 AMAQI
19th Jul 2025292 AMAQI
19th Jul 2025383 AMAQI
19th Jul 2025444 AMAQI
19th Jul 2025405 AMAQI
19°C10/27°C
19th Jul 2025326 AMAQI
19th Jul 2025327 AMAQI
19th Jul 2025338 AMAQI
19th Jul 2025319 AMAQI
19th Jul 20252910 AMAQI
19th Jul 20252611 AMAQI
19th Jul 20252512 PMAQI
19th Jul 2025241 PMAQI
19th Jul 2025242 PMAQI
19th Jul 2025263 PMAQI
19th Jul 2025244 PMAQI
19th Jul 2025285 PMAQI
19th Jul 2025286 PMAQI
19th Jul 2025287 PMAQI
19th Jul 2025288 PMAQI
19th Jul 2025289 PMAQI
19th Jul 20252810 PMAQI
19th Jul 20252811 PMAQI
20th Jul 20252812 AMAQI
20th Jul 2025281 AMAQI
20th Jul 2025232 AMAQI
20th Jul 2025323 AMAQI
20th Jul 2025224 AMAQI
20th Jul 2025335 AMAQI
21°C13/27°C
20th Jul 2025236 AMAQI
20th Jul 2025247 AMAQI
20th Jul 2025268 AMAQI
20th Jul 2025289 AMAQI
20th Jul 20252810 AMAQI
20th Jul 20252711 AMAQI
20th Jul 20252812 PMAQI
20th Jul 2025271 PMAQI
20th Jul 2025262 PMAQI
20th Jul 2025253 PMAQI
20th Jul 2025264 PMAQI
20th Jul 2025295 PMAQI
20th Jul 2025326 PMAQI
20th Jul 2025337 PMAQI
20th Jul 2025328 PMAQI
20th Jul 2025279 PMAQI
20th Jul 20252710 PMAQI
20th Jul 20253311 PMAQI
21st Jul 20253412 AMAQI
21st Jul 2025361 AMAQI
21st Jul 2025392 AMAQI
21st Jul 2025413 AMAQI
21st Jul 2025424 AMAQI
21st Jul 2025465 AMAQI
22°C16/25°C
21st Jul 2025466 AMAQI
21st Jul 2025487 AMAQI
21st Jul 2025528 AMAQI
21st Jul 2025529 AMAQI
21st Jul 20255410 AMAQI
21st Jul 20255411 AMAQI
21st Jul 20255712 PMAQI
21st Jul 2025581 PMAQI
21st Jul 2025532 PMAQI
21st Jul 2025523 PMAQI
21st Jul 2025504 PMAQI
21st Jul 2025485 PMAQI
21st Jul 2025446 PMAQI
21st Jul 2025407 PMAQI
21st Jul 2025378 PMAQI
21st Jul 2025429 PMAQI
21st Jul 20254410 PMAQI
21st Jul 20253311 PMAQI
22nd Jul 20253212 AMAQI
22nd Jul 2025331 AMAQI
22nd Jul 2025312 AMAQI
22nd Jul 2025203 AMAQI
22nd Jul 2025204 AMAQI
22nd Jul 2025185 AMAQI
19°C12/26°C
22nd Jul 2025186 AMAQI
22nd Jul 2025187 AMAQI
22nd Jul 2025198 AMAQI
22nd Jul 2025199 AMAQI
22nd Jul 20252010 AMAQI
22nd Jul 20252211 AMAQI
22nd Jul 20252312 PMAQI
22nd Jul 2025251 PMAQI
22nd Jul 2025222 PMAQI
22nd Jul 2025223 PMAQI
22nd Jul 2025224 PMAQI
22nd Jul 2025225 PMAQI
22nd Jul 2025246 PMAQI
22nd Jul 2025217 PMAQI
22nd Jul 2025228 PMAQI
22nd Jul 2025229 PMAQI
22nd Jul 20252210 PMAQI
22nd Jul 20252211 PMAQI
23rd Jul 20252212 AMAQI
23rd Jul 2025221 AMAQI
23rd Jul 2025222 AMAQI
23rd Jul 2025223 AMAQI
23rd Jul 2025234 AMAQI
23rd Jul 2025225 AMAQI
19°C10/28°C
23rd Jul 2025226 AMAQI
23rd Jul 2025247 AMAQI
23rd Jul 2025248 AMAQI
23rd Jul 2025229 AMAQI
23rd Jul 20252310 AMAQI
23rd Jul 20252211 AMAQI
23rd Jul 20252212 PMAQI
23rd Jul 2025221 PMAQI
23rd Jul 2025222 PMAQI
23rd Jul 2025223 PMAQI
23rd Jul 2025244 PMAQI
23rd Jul 2025275 PMAQI
23rd Jul 2025276 PMAQI
23rd Jul 2025267 PMAQI
23rd Jul 2025298 PMAQI
23rd Jul 2025249 PMAQI
23rd Jul 20252510 PMAQI
23rd Jul 20253211 PMAQI
24th Jul 20253012 AMAQI
24th Jul 2025301 AMAQI
24th Jul 2025302 AMAQI
24th Jul 2025293 AMAQI
24th Jul 2025294 AMAQI
24th Jul 2025305 AMAQI
22°C14/30°C
24th Jul 2025346 AMAQI
24th Jul 2025467 AMAQI
24th Jul 2025548 AMAQI
24th Jul 2025539 AMAQI
24th Jul 20255510 AMAQI
24th Jul 20255511 AMAQI
24th Jul 20255512 PMAQI
24th Jul 2025531 PMAQI
24th Jul 2025542 PMAQI
24th Jul 2025483 PMAQI
24th Jul 2025424 PMAQI
24th Jul 2025495 PMAQI
24th Jul 2025536 PMAQI
24th Jul 2025517 PMAQI
24th Jul 2025528 PMAQI
24th Jul 2025529 PMAQI
24th Jul 20255110 PMAQI
24th Jul 20255011 PMAQI
25th Jul 20254812 AMAQI
25th Jul 2025421 AMAQI
25th Jul 2025342 AMAQI
25th Jul 2025313 AMAQI
25th Jul 2025324 AMAQI
25th Jul 2025315 AMAQI
27°C20/35°C
25th Jul 2025316 AMAQI
25th Jul 2025287 AMAQI
25th Jul 2025278 AMAQI
25th Jul 2025269 AMAQI
25th Jul 20252610 AMAQI
25th Jul 20252611 AMAQI
25th Jul 20252612 PMAQI
25th Jul 2025251 PMAQI
25th Jul 2025272 PMAQI
25th Jul 2025303 PMAQI
25th Jul 2025284 PMAQI
25th Jul 2025285 PMAQI
25th Jul 2025286 PMAQI
25th Jul 2025307 PMAQI
25th Jul 2025308 PMAQI
25th Jul 2025309 PMAQI
25th Jul 20253210 PMAQI
25th Jul 20254111 PMAQI
26th Jul 20254712 AMAQI
26th Jul 2025541 AMAQI
26th Jul 2025602 AMAQI
26th Jul 2025603 AMAQI
26th Jul 2025604 AMAQI
26th Jul 2025575 AMAQI
24°C19/28°C
26th Jul 2025546 AMAQI
26th Jul 2025547 AMAQI
26th Jul 2025548 AMAQI
26th Jul 2025559 AMAQI
26th Jul 20255610 AMAQI
26th Jul 20255311 AMAQI
26th Jul 20254912 PMAQI
26th Jul 2025441 PMAQI
26th Jul 2025422 PMAQI
26th Jul 2025423 PMAQI
26th Jul 2025444 PMAQI
26th Jul 2025485 PMAQI
26th Jul 2025496 PMAQI
26th Jul 2025507 PMAQI
26th Jul 2025478 PMAQI
26th Jul 2025529 PMAQI
26th Jul 20255110 PMAQI
26th Jul 20254311 PMAQI
27th Jul 20254312 AMAQI
27th Jul 2025401 AMAQI
27th Jul 2025262 AMAQI
27th Jul 2025243 AMAQI
27th Jul 2025234 AMAQI
27th Jul 2025245 AMAQI
23°C19/28°C
27th Jul 2025246 AMAQI
27th Jul 2025267 AMAQI
27th Jul 2025258 AMAQI
27th Jul 2025259 AMAQI
27th Jul 20252510 AMAQI
27th Jul 20252711 AMAQI
27th Jul 20253012 PMAQI
27th Jul 2025301 PMAQI
27th Jul 2025302 PMAQI
27th Jul 2025313 PMAQI
27th Jul 2025314 PMAQI
27th Jul 2025335 PMAQI
27th Jul 2025336 PMAQI
27th Jul 2025347 PMAQI
27th Jul 2025348 PMAQI
27th Jul 2025309 PMAQI
27th Jul 20253010 PMAQI
27th Jul 20253611 PMAQI
28th Jul 20254012 AMAQI
28th Jul 2025391 AMAQI
28th Jul 2025422 AMAQI
28th Jul 2025383 AMAQI
28th Jul 2025384 AMAQI
28th Jul 2025385 AMAQI
26°C23/33°C
28th Jul 2025376 AMAQI
28th Jul 2025387 AMAQI
28th Jul 2025438 AMAQI
28th Jul 2025409 AMAQI
28th Jul 20253910 AMAQI
28th Jul 20253811 AMAQI
28th Jul 20253712 PMAQI
28th Jul 2025381 PMAQI
28th Jul 2025392 PMAQI
28th Jul 2025403 PMAQI
28th Jul 2025404 PMAQI
28th Jul 2025415 PMAQI
28th Jul 2025406 PMAQI
28th Jul 2025387 PMAQI
28th Jul 2025368 PMAQI
28th Jul 2025389 PMAQI
28th Jul 20253710 PMAQI
28th Jul 20253211 PMAQI
29th Jul 20253112 AMAQI
29th Jul 2025331 AMAQI
29th Jul 2025292 AMAQI
29th Jul 2025263 AMAQI
29th Jul 2025254 AMAQI
29th Jul 2025255 AMAQI
25°C20/31°C
29th Jul 2025226 AMAQI
29th Jul 2025247 AMAQI
29th Jul 2025268 AMAQI
29th Jul 2025289 AMAQI
29th Jul 20253210 AMAQI
29th Jul 20253511 AMAQI
29th Jul 20253612 PMAQI
29th Jul 2025361 PMAQI
29th Jul 2025362 PMAQI
29th Jul 2025383 PMAQI
29th Jul 2025384 PMAQI
29th Jul 2025365 PMAQI
29th Jul 2025366 PMAQI
29th Jul 2025347 PMAQI
29th Jul 2025328 PMAQI
29th Jul 2025309 PMAQI
29th Jul 20253010 PMAQI
29th Jul 20253211 PMAQI
30th Jul 20253312 AMAQI
30th Jul 2025361 AMAQI
30th Jul 2025422 AMAQI
30th Jul 2025453 AMAQI
30th Jul 2025454 AMAQI
30th Jul 2025435 AMAQI
25°C20/32°C
30th Jul 2025446 AMAQI
30th Jul 2025447 AMAQI
30th Jul 2025488 AMAQI
30th Jul 2025499 AMAQI
30th Jul 20254810 AMAQI
30th Jul 20254711 AMAQI
30th Jul 20254612 PMAQI
30th Jul 2025461 PMAQI
30th Jul 2025462 PMAQI
30th Jul 2025463 PMAQI
30th Jul 2025454 PMAQI
30th Jul 2025455 PMAQI
30th Jul 2025456 PMAQI
30th Jul 2025457 PMAQI
30th Jul 2025458 PMAQI
30th Jul 2025459 PMAQI
30th Jul 20254510 PMAQI
30th Jul 20255311 PMAQI
31st Jul 20255012 AMAQI
31st Jul 2025501 AMAQI
31st Jul 2025692 AMAQI
31st Jul 2025963 AMAQI
31st Jul 20251034 AMAQI
31st Jul 2025905 AMAQI
23°C20/28°C
31st Jul 20251086 AMAQI
31st Jul 2025957 AMAQI
31st Jul 20251048 AMAQI
31st Jul 20251099 AMAQI
31st Jul 20259410 AMAQI
31st Jul 20256711 AMAQI
31st Jul 20259012 PMAQI
31st Jul 20251131 PMAQI
31st Jul 20251082 PMAQI
31st Jul 20251143 PMAQI
31st Jul 20251234 PMAQI
31st Jul 20251355 PMAQI
31st Jul 20251366 PMAQI
31st Jul 20251357 PMAQI
31st Jul 20251398 PMAQI
31st Jul 20251209 PMAQI
31st Jul 202511810 PMAQI
31st Jul 202511411 PMAQI
1st Aug 202512012 AMAQI
1st Aug 20251181 AMAQI
1st Aug 20251022 AMAQI
1st Aug 2025903 AMAQI
1st Aug 2025934 AMAQI
1st Aug 2025895 AMAQI
20°C16/26°C
1st Aug 2025866 AMAQI
1st Aug 2025907 AMAQI
1st Aug 2025878 AMAQI
1st Aug 2025829 AMAQI
1st Aug 20257310 AMAQI
1st Aug 20257311 AMAQI
1st Aug 20256612 PMAQI
1st Aug 2025651 PMAQI
1st Aug 2025612 PMAQI
1st Aug 2025643 PMAQI
1st Aug 2025624 PMAQI
1st Aug 2025605 PMAQI
1st Aug 2025576 PMAQI
1st Aug 2025547 PMAQI
1st Aug 2025488 PMAQI
1st Aug 2025709 PMAQI
1st Aug 20255010 PMAQI
1st Aug 20253411 PMAQI
2nd Aug 20253212 AMAQI
2nd Aug 2025331 AMAQI
2nd Aug 2025312 AMAQI
2nd Aug 2025323 AMAQI
2nd Aug 2025364 AMAQI
2nd Aug 2025355 AMAQI
19°C11/26°C
2nd Aug 2025336 AMAQI
2nd Aug 2025347 AMAQI
2nd Aug 2025328 AMAQI
2nd Aug 2025339 AMAQI
2nd Aug 20253210 AMAQI
2nd Aug 20253011 AMAQI
2nd Aug 20253012 PMAQI
2nd Aug 2025281 PMAQI
2nd Aug 2025252 PMAQI
2nd Aug 2025263 PMAQI
2nd Aug 2025264 PMAQI
2nd Aug 2025295 PMAQI
2nd Aug 2025306 PMAQI
2nd Aug 2025437 PMAQI
2nd Aug 2025478 PMAQI
2nd Aug 2025389 PMAQI
2nd Aug 20254210 PMAQI
2nd Aug 20255211 PMAQI
3rd Aug 20255012 AMAQI
3rd Aug 2025531 AMAQI
3rd Aug 2025552 AMAQI
3rd Aug 2025573 AMAQI
3rd Aug 2025594 AMAQI
3rd Aug 2025625 AMAQI
19°C9/26°C
3rd Aug 2025616 AMAQI
3rd Aug 2025627 AMAQI
3rd Aug 2025608 AMAQI
3rd Aug 2025589 AMAQI
3rd Aug 20255610 AMAQI
3rd Aug 20255811 AMAQI
3rd Aug 20255812 PMAQI
3rd Aug 2025651 PMAQI
3rd Aug 2025752 PMAQI
3rd Aug 2025803 PMAQI
3rd Aug 2025834 PMAQI
3rd Aug 2025855 PMAQI
3rd Aug 2025896 PMAQI
3rd Aug 2025897 PMAQI
3rd Aug 2025968 PMAQI
3rd Aug 2025629 PMAQI
3rd Aug 20258210 PMAQI
3rd Aug 202510511 PMAQI
4th Aug 202511012 AMAQI
4th Aug 20251051 AMAQI
4th Aug 20251102 AMAQI
4th Aug 20251153 AMAQI
4th Aug 20251104 AMAQI
4th Aug 20251205 AMAQI
22°C13/28°C
4th Aug 2025986 AMAQI
4th Aug 2025827 AMAQI
4th Aug 20251068 AMAQI
4th Aug 20251349 AMAQI
4th Aug 202514010 AMAQI
4th Aug 202514611 AMAQI
4th Aug 202514912 PMAQI
4th Aug 20251501 PMAQI
4th Aug 20251462 PMAQI
4th Aug 20251423 PMAQI
4th Aug 20251364 PMAQI
4th Aug 20251185 PMAQI
4th Aug 20251186 PMAQI
4th Aug 20251137 PMAQI
4th Aug 20251148 PMAQI
4th Aug 20251429 PMAQI
4th Aug 202512210 PMAQI
4th Aug 202510311 PMAQI
5th Aug 202511012 AMAQI
5th Aug 20251191 AMAQI
5th Aug 20251332 AMAQI
5th Aug 20251343 AMAQI
5th Aug 20251384 AMAQI
5th Aug 20251385 AMAQI
21°C13/28°C
5th Aug 20251306 AMAQI
5th Aug 20251217 AMAQI
5th Aug 20251148 AMAQI
5th Aug 20251149 AMAQI
5th Aug 202511110 AMAQI
5th Aug 202511311 AMAQI
5th Aug 202511112 PMAQI
5th Aug 20251071 PMAQI
5th Aug 2025982 PMAQI
5th Aug 2025913 PMAQI
5th Aug 2025884 PMAQI
5th Aug 2025825 PMAQI
5th Aug 2025746 PMAQI
5th Aug 2025707 PMAQI
5th Aug 2025688 PMAQI
5th Aug 20251119 PMAQI
5th Aug 20258810 PMAQI
5th Aug 20256911 PMAQI
6th Aug 20257812 AMAQI
6th Aug 2025901 AMAQI
6th Aug 2025902 AMAQI
6th Aug 2025863 AMAQI
6th Aug 2025884 AMAQI
6th Aug 2025825 AMAQI
22°C13/31°C
6th Aug 2025856 AMAQI
6th Aug 2025857 AMAQI
6th Aug 2025838 AMAQI
6th Aug 2025849 AMAQI
6th Aug 20258610 AMAQI
6th Aug 20258511 AMAQI
6th Aug 20258212 PMAQI
6th Aug 2025801 PMAQI
6th Aug 2025762 PMAQI
6th Aug 2025783 PMAQI
6th Aug 2025774 PMAQI
6th Aug 2025795 PMAQI
6th Aug 2025806 PMAQI
6th Aug 2025767 PMAQI
6th Aug 2025818 PMAQI
6th Aug 2025829 PMAQI
6th Aug 20258210 PMAQI
6th Aug 20258011 PMAQI
7th Aug 20258212 AMAQI
7th Aug 2025821 AMAQI
7th Aug 2025802 AMAQI
7th Aug 2025833 AMAQI
7th Aug 2025794 AMAQI
24°C17/31°C
6 AM
1 PM
9 PM
1 AM
5 AM
--°C/°C
Day time
Avg. Highest Time
6 AM - 9 PM
53AQI
16 hours / Day
480 hours / Month
Avg. Lowest Time
6 AM - 9 PM
53AQI
16 hours / Day
480 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 6 AM to 9 PM (Avg. 53), while the lowest AQI was between 6 AM to 9 PM (Avg. 53).
Night time
Avg. Highest Time
12 AM - 11 PM
53AQI
8 hours / Day
240 hours / Month
Avg. Lowest Time
12 AM - 11 PM
53AQI
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. 53), while the lowest AQI was between 12 AM to 11 PM (Avg. 53).
2025 Days Vs Air Quality
Grand Avenue West, Chatham, Ontario, Canada
2025
80%
106
19%
25
2%
2
Total number of days with different AQI categories in last 219 days in 2025 (146 days remaining)
Good
106 DaysModerate
25 DaysPoor
2 DaysUnhealthy
0 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 80%
Health Risk Level:
Low
In 2025, 80% of 219 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
Grand Avenue West, Chatham, 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 March 2025
33AQI
33AQI
2nd March 2025
41AQI
41AQI
3rd March 2025
52AQI
52AQI
4th March 2025
37AQI
37AQI
5th March 2025
21AQI
21AQI
1st April 2025
17AQI
17AQI
2nd April 2025
19AQI
19AQI
3rd April 2025
22AQI
22AQI
4th April 2025
17AQI
17AQI
5th April 2025
20AQI
20AQI
6th April 2025
17AQI
17AQI
7th April 2025
20AQI
20AQI
8th April 2025
16AQI
16AQI
9th April 2025
23AQI
23AQI
10th April 2025
26AQI
26AQI
11th April 2025
31AQI
31AQI
12th April 2025
20AQI
20AQI
13th April 2025
29AQI
29AQI
14th April 2025
28AQI
28AQI
15th April 2025
17AQI
17AQI
16th April 2025
14AQI
14AQI
17th April 2025
24AQI
24AQI
18th April 2025
38AQI
38AQI
19th April 2025
49AQI
49AQI
20th April 2025
18AQI
18AQI
21st April 2025
25AQI
25AQI
22nd April 2025
15AQI
15AQI
23rd April 2025
34AQI
34AQI
24th April 2025
48AQI
48AQI
25th April 2025
41AQI
41AQI
26th April 2025
26AQI
26AQI
27th April 2025
20AQI
20AQI
28th April 2025
27AQI
27AQI
29th April 2025
37AQI
37AQI
30th April 2025
17AQI
17AQI
1st May 2025
25AQI
25AQI
2nd May 2025
31AQI
31AQI
3rd May 2025
17AQI
17AQI
4th May 2025
17AQI
17AQI
5th May 2025
19AQI
19AQI
6th May 2025
26AQI
26AQI
7th May 2025
29AQI
29AQI
8th May 2025
19AQI
19AQI
9th May 2025
18AQI
18AQI
10th May 2025
28AQI
28AQI
11th May 2025
23AQI
23AQI
12th May 2025
30AQI
30AQI
13th May 2025
24AQI
24AQI
14th May 2025
17AQI
17AQI
15th May 2025
24AQI
24AQI
16th May 2025
31AQI
31AQI
17th May 2025
24AQI
24AQI
18th May 2025
18AQI
18AQI
19th May 2025
14AQI
14AQI
20th May 2025
16AQI
16AQI
21st May 2025
16AQI
16AQI
22nd May 2025
14AQI
14AQI
23rd May 2025
11AQI
11AQI
24th May 2025
11AQI
11AQI
25th May 2025
28AQI
28AQI
26th May 2025
21AQI
21AQI
27th May 2025
24AQI
24AQI
28th May 2025
16AQI
16AQI
29th May 2025
31AQI
31AQI
30th May 2025
34AQI
34AQI
31st May 2025
25AQI
25AQI
1st June 2025
21AQI
21AQI
2nd June 2025
25AQI
25AQI
3rd June 2025
43AQI
43AQI
4th June 2025
68AQI
68AQI
5th June 2025
74AQI
74AQI
6th June 2025
99AQI
99AQI
7th June 2025
70AQI
70AQI
8th June 2025
100AQI
100AQI
9th June 2025
76AQI
76AQI
10th June 2025
55AQI
55AQI
11th June 2025
68AQI
68AQI
12th June 2025
74AQI
74AQI
13th June 2025
53AQI
53AQI
14th June 2025
42AQI
42AQI
15th June 2025
44AQI
44AQI
16th June 2025
38AQI
38AQI
17th June 2025
34AQI
34AQI
18th June 2025
27AQI
27AQI
19th June 2025
22AQI
22AQI
20th June 2025
32AQI
32AQI
21st June 2025
37AQI
37AQI
22nd June 2025
42AQI
42AQI
23rd June 2025
52AQI
52AQI
24th June 2025
53AQI
53AQI
25th June 2025
41AQI
41AQI
26th June 2025
43AQI
43AQI
27th June 2025
40AQI
40AQI
28th June 2025
27AQI
27AQI
29th June 2025
31AQI
31AQI
30th June 2025
29AQI
29AQI
1st July 2025
26AQI
26AQI
2nd July 2025
37AQI
37AQI
3rd July 2025
50AQI
50AQI
4th July 2025
51AQI
51AQI
5th July 2025
55AQI
55AQI
6th July 2025
53AQI
53AQI
7th July 2025
39AQI
39AQI
8th July 2025
48AQI
48AQI
9th July 2025
56AQI
56AQI
10th July 2025
51AQI
51AQI
11th July 2025
48AQI
48AQI
12th July 2025
36AQI
36AQI
13th July 2025
34AQI
34AQI
14th July 2025
65AQI
65AQI
15th July 2025
86AQI
86AQI
16th July 2025
82AQI
82AQI
17th July 2025
41AQI
41AQI
18th July 2025
27AQI
27AQI
19th July 2025
29AQI
29AQI
20th July 2025
28AQI
28AQI
21st July 2025
43AQI
43AQI
22nd July 2025
24AQI
24AQI
23rd July 2025
24AQI
24AQI
24th July 2025
42AQI
42AQI
25th July 2025
34AQI
34AQI
26th July 2025
50AQI
50AQI
27th July 2025
32AQI
32AQI
28th July 2025
39AQI
39AQI
29th July 2025
31AQI
31AQI
30th July 2025
43AQI
43AQI
31st July 2025
96AQI
96AQI
1st August 2025
81AQI
81AQI
2nd August 2025
34AQI
34AQI
3rd August 2025
67AQI
67AQI
4th August 2025
119AQI
119AQI
5th August 2025
104AQI
104AQI
6th August 2025
79AQI
79AQI
37AQI
25AQI
22AQI
49AQI
45AQI
81AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202537AQI
4
1
30
31
18
12
22
9
1
3
2
106
25
2
Highest AQI recorded in
August81AQI
Lowest AQI recorded in
May22AQI
Most & Least Polluted Years Over the Last 1 Years
Most Polluted Year Recorded
2025(Avg.)
37AQILeast Polluted Year Recorded
2025(Avg.)
37AQIGrand Avenue West's annual 2025 AQI (37) shows an average percentage change of NaN% (improved AQI) compared to previous years: .
