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
2026
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
4th Aug 2025
119AQILowest AQI recorded on
18th Aug 2025
16AQISame Day Analysis (15th August):
On this day, AQI across the 2 years varied significantly: 2026 ranks 2nd highest AQI at 31 of Good air quality, showing improvement over 2025 on the same day.
Day & Night AQI Trend: 15th Aug - 16th Aug 2026
Grand Avenue West, Chatham, Ontario, Canada
AQI
Day
Night
.
6 AM15th Aug 2026
8 PM
5 AM16th Aug 2026
Day time
Avg. Highest Time
7PM15th Aug
46AQI
Avg. Lowest Time
10AM15th Aug
22AQI
Night time
Avg. Highest Time
1AM16th Aug
42AQI
Avg. Lowest Time
4AM16th Aug
36AQI
In the last 24 hours,
Grand Avenue West's AQI reached its highest point of 46 at 7 PM during the Day, while the lowest point, 22, was recorded at 10 AM during the Day between 15th Aug and 16th Aug 2026.
Day & Night AQI Trend : Jul - Aug 2026
Grand Avenue West, Chatham, Ontario, Canada
JulAug
18th - 19th19th - 20th20th - 21st21st - 22nd22nd - 23rd23rd - 24th24th - 25th25th - 26th26th - 27th27th - 28th28th - 29th29th - 30th30th - 31st31st - 01st01st - 02nd02nd - 03rd03rd - 04th04th - 05th05th - 06th06th - 07th07th - 08th08th - 09th09th - 10th10th - 11th11th - 12th12th - 13th13th - 14th14th - 15th15th - 16th16th
Day
Night
18th Jul 2026576 AMAQI
18th Jul 2026577 AMAQI
18th Jul 2026528 AMAQI
18th Jul 2026509 AMAQI
18th Jul 20264610 AMAQI
18th Jul 20265911 AMAQI
18th Jul 20265512 PMAQI
18th Jul 2026501 PMAQI
18th Jul 2026442 PMAQI
18th Jul 2026443 PMAQI
18th Jul 2026444 PMAQI
18th Jul 2026385 PMAQI
18th Jul 2026576 PMAQI
18th Jul 2026567 PMAQI
18th Jul 2026668 PMAQI
18th Jul 2026649 PMAQI
18th Jul 20266510 PMAQI
18th Jul 20267411 PMAQI
19th Jul 20266212 AMAQI
19th Jul 2026571 AMAQI
19th Jul 2026602 AMAQI
19th Jul 2026563 AMAQI
19th Jul 2026534 AMAQI
19th Jul 2026565 AMAQI
26°C20/34°C
19th Jul 2026686 AMAQI
19th Jul 2026657 AMAQI
19th Jul 2026788 AMAQI
19th Jul 2026789 AMAQI
19th Jul 20268010 AMAQI
19th Jul 20267411 AMAQI
19th Jul 20268212 PMAQI
19th Jul 2026881 PMAQI
19th Jul 2026782 PMAQI
19th Jul 2026783 PMAQI
19th Jul 2026734 PMAQI
19th Jul 2026805 PMAQI
19th Jul 2026746 PMAQI
19th Jul 2026727 PMAQI
19th Jul 2026828 PMAQI
19th Jul 2026789 PMAQI
19th Jul 20267310 PMAQI
19th Jul 20267011 PMAQI
20th Jul 20267112 AMAQI
20th Jul 2026651 AMAQI
20th Jul 2026632 AMAQI
20th Jul 2026603 AMAQI
20th Jul 2026584 AMAQI
20th Jul 2026625 AMAQI
21°C16/26°C
20th Jul 2026646 AMAQI
20th Jul 2026647 AMAQI
20th Jul 2026628 AMAQI
20th Jul 2026659 AMAQI
20th Jul 20267010 AMAQI
20th Jul 20267611 AMAQI
20th Jul 20267412 PMAQI
20th Jul 2026721 PMAQI
20th Jul 2026662 PMAQI
20th Jul 2026673 PMAQI
20th Jul 2026794 PMAQI
20th Jul 2026745 PMAQI
20th Jul 2026746 PMAQI
20th Jul 2026847 PMAQI
20th Jul 2026848 PMAQI
20th Jul 2026929 PMAQI
20th Jul 20267310 PMAQI
21st Jul 20266012 AMAQI
21st Jul 2026781 AMAQI
21st Jul 2026622 AMAQI
21st Jul 2026743 AMAQI
21st Jul 2026634 AMAQI
21st Jul 2026875 AMAQI
21°C12/30°C
21st Jul 2026866 AMAQI
21st Jul 2026887 AMAQI
21st Jul 2026698 AMAQI
21st Jul 2026949 AMAQI
21st Jul 20269210 AMAQI
21st Jul 20268611 AMAQI
21st Jul 20267412 PMAQI
21st Jul 2026641 PMAQI
21st Jul 2026642 PMAQI
21st Jul 2026663 PMAQI
21st Jul 2026644 PMAQI
21st Jul 2026585 PMAQI
21st Jul 2026426 PMAQI
21st Jul 2026387 PMAQI
21st Jul 2026468 PMAQI
21st Jul 2026409 PMAQI
21st Jul 20262510 PMAQI
21st Jul 20263811 PMAQI
22nd Jul 20263612 AMAQI
22nd Jul 2026381 AMAQI
22nd Jul 2026522 AMAQI
22nd Jul 2026423 AMAQI
22nd Jul 2026504 AMAQI
22nd Jul 2026505 AMAQI
25°C19/35°C
22nd Jul 2026426 AMAQI
22nd Jul 2026337 AMAQI
22nd Jul 2026388 AMAQI
22nd Jul 2026259 AMAQI
22nd Jul 20263010 AMAQI
22nd Jul 20262611 AMAQI
22nd Jul 20264212 PMAQI
22nd Jul 2026221 PMAQI
22nd Jul 2026332 PMAQI
22nd Jul 2026253 PMAQI
22nd Jul 2026254 PMAQI
22nd Jul 2026255 PMAQI
22nd Jul 2026226 PMAQI
22nd Jul 2026287 PMAQI
22nd Jul 2026268 PMAQI
22nd Jul 2026249 PMAQI
22nd Jul 20262110 PMAQI
22nd Jul 20262911 PMAQI
23rd Jul 20263612 AMAQI
23rd Jul 2026331 AMAQI
23rd Jul 2026332 AMAQI
23rd Jul 2026273 AMAQI
23rd Jul 2026604 AMAQI
23rd Jul 2026425 AMAQI
19°C13/24°C
23rd Jul 2026346 AMAQI
23rd Jul 2026277 AMAQI
23rd Jul 2026298 AMAQI
23rd Jul 2026339 AMAQI
23rd Jul 20263310 AMAQI
23rd Jul 20265011 AMAQI
23rd Jul 20264512 PMAQI
23rd Jul 2026421 PMAQI
23rd Jul 2026212 PMAQI
23rd Jul 2026183 PMAQI
23rd Jul 2026244 PMAQI
23rd Jul 2026385 PMAQI
23rd Jul 2026236 PMAQI
23rd Jul 2026217 PMAQI
23rd Jul 2026328 PMAQI
23rd Jul 2026279 PMAQI
23rd Jul 20262410 PMAQI
23rd Jul 20262911 PMAQI
24th Jul 20265512 AMAQI
24th Jul 2026461 AMAQI
24th Jul 2026212 AMAQI
24th Jul 2026303 AMAQI
24th Jul 2026244 AMAQI
24th Jul 2026275 AMAQI
19°C11/27°C
24th Jul 2026226 AMAQI
24th Jul 2026307 AMAQI
24th Jul 2026318 AMAQI
24th Jul 2026259 AMAQI
24th Jul 20262610 AMAQI
24th Jul 20262511 AMAQI
24th Jul 20265012 PMAQI
24th Jul 2026331 PMAQI
24th Jul 2026332 PMAQI
24th Jul 2026443 PMAQI
24th Jul 2026244 PMAQI
24th Jul 2026325 PMAQI
24th Jul 2026336 PMAQI
24th Jul 2026337 PMAQI
24th Jul 2026318 PMAQI
24th Jul 2026299 PMAQI
24th Jul 20263810 PMAQI
24th Jul 20262511 PMAQI
25th Jul 20262512 AMAQI
25th Jul 2026421 AMAQI
25th Jul 2026402 AMAQI
25th Jul 2026273 AMAQI
25th Jul 2026384 AMAQI
25th Jul 2026275 AMAQI
20°C11/28°C
25th Jul 2026346 AMAQI
25th Jul 2026447 AMAQI
25th Jul 2026388 AMAQI
25th Jul 2026409 AMAQI
25th Jul 20264010 AMAQI
25th Jul 20263211 AMAQI
25th Jul 20262312 PMAQI
25th Jul 2026211 PMAQI
25th Jul 2026232 PMAQI
25th Jul 2026233 PMAQI
25th Jul 2026254 PMAQI
25th Jul 2026235 PMAQI
25th Jul 2026216 PMAQI
25th Jul 2026217 PMAQI
25th Jul 2026258 PMAQI
25th Jul 2026219 PMAQI
25th Jul 20262310 PMAQI
25th Jul 20264211 PMAQI
26th Jul 20264612 AMAQI
26th Jul 2026501 AMAQI
26th Jul 2026482 AMAQI
26th Jul 2026503 AMAQI
26th Jul 2026484 AMAQI
26th Jul 2026485 AMAQI
22°C15/30°C
26th Jul 2026516 AMAQI
26th Jul 2026467 AMAQI
26th Jul 2026508 AMAQI
26th Jul 2026509 AMAQI
26th Jul 20264610 AMAQI
26th Jul 20264411 AMAQI
26th Jul 20264812 PMAQI
26th Jul 2026461 PMAQI
26th Jul 2026422 PMAQI
26th Jul 2026423 PMAQI
26th Jul 2026444 PMAQI
26th Jul 2026505 PMAQI
26th Jul 2026446 PMAQI
26th Jul 2026507 PMAQI
26th Jul 2026518 PMAQI
26th Jul 2026469 PMAQI
26th Jul 20264610 PMAQI
26th Jul 20264611 PMAQI
27th Jul 20264812 AMAQI
27th Jul 2026481 AMAQI
27th Jul 2026532 AMAQI
27th Jul 2026533 AMAQI
27th Jul 2026554 AMAQI
27th Jul 2026425 AMAQI
24°C18/31°C
27th Jul 2026506 AMAQI
27th Jul 2026467 AMAQI
27th Jul 2026548 AMAQI
27th Jul 2026579 AMAQI
27th Jul 20265810 AMAQI
27th Jul 20265811 AMAQI
27th Jul 20265712 PMAQI
27th Jul 2026541 PMAQI
27th Jul 2026572 PMAQI
27th Jul 2026583 PMAQI
27th Jul 2026564 PMAQI
27th Jul 2026555 PMAQI
27th Jul 2026586 PMAQI
27th Jul 2026587 PMAQI
27th Jul 2026568 PMAQI
27th Jul 2026569 PMAQI
27th Jul 20265710 PMAQI
27th Jul 20266011 PMAQI
28th Jul 20266212 AMAQI
28th Jul 2026601 AMAQI
28th Jul 2026662 AMAQI
28th Jul 2026603 AMAQI
28th Jul 2026594 AMAQI
28th Jul 2026585 AMAQI
26°C19/34°C
28th Jul 2026536 AMAQI
28th Jul 2026487 AMAQI
28th Jul 2026528 AMAQI
28th Jul 2026599 AMAQI
28th Jul 20265710 AMAQI
28th Jul 20265811 AMAQI
28th Jul 20265912 PMAQI
28th Jul 2026541 PMAQI
28th Jul 2026592 PMAQI
28th Jul 2026593 PMAQI
28th Jul 2026584 PMAQI
28th Jul 2026535 PMAQI
28th Jul 2026506 PMAQI
28th Jul 2026467 PMAQI
28th Jul 2026468 PMAQI
28th Jul 2026429 PMAQI
28th Jul 20264210 PMAQI
28th Jul 20264011 PMAQI
29th Jul 20263612 AMAQI
29th Jul 2026331 AMAQI
29th Jul 2026292 AMAQI
29th Jul 2026253 AMAQI
29th Jul 2026254 AMAQI
29th Jul 2026245 AMAQI
22°C18/28°C
29th Jul 2026246 AMAQI
29th Jul 2026287 AMAQI
29th Jul 2026218 AMAQI
29th Jul 2026259 AMAQI
29th Jul 20262210 AMAQI
29th Jul 20262511 AMAQI
29th Jul 20263312 PMAQI
29th Jul 2026421 PMAQI
29th Jul 2026342 PMAQI
29th Jul 2026333 PMAQI
29th Jul 2026294 PMAQI
29th Jul 2026425 PMAQI
29th Jul 2026326 PMAQI
29th Jul 2026467 PMAQI
29th Jul 2026328 PMAQI
29th Jul 2026369 PMAQI
29th Jul 20262210 PMAQI
29th Jul 20262711 PMAQI
30th Jul 20264412 AMAQI
30th Jul 2026341 AMAQI
30th Jul 2026382 AMAQI
30th Jul 2026223 AMAQI
30th Jul 2026324 AMAQI
30th Jul 2026315 AMAQI
22°C15/29°C
30th Jul 2026296 AMAQI
30th Jul 2026257 AMAQI
30th Jul 2026368 AMAQI
30th Jul 2026449 AMAQI
30th Jul 20263910 AMAQI
30th Jul 20262511 AMAQI
30th Jul 20262512 PMAQI
30th Jul 2026381 PMAQI
30th Jul 2026362 PMAQI
30th Jul 2026423 PMAQI
30th Jul 2026464 PMAQI
30th Jul 2026485 PMAQI
30th Jul 2026466 PMAQI
30th Jul 2026427 PMAQI
30th Jul 2026508 PMAQI
30th Jul 2026409 PMAQI
30th Jul 20263810 PMAQI
30th Jul 20264811 PMAQI
31st Jul 20264612 AMAQI
31st Jul 2026461 AMAQI
31st Jul 2026462 AMAQI
31st Jul 2026403 AMAQI
31st Jul 2026484 AMAQI
31st Jul 2026485 AMAQI
24°C16/33°C
31st Jul 2026446 AMAQI
31st Jul 2026407 AMAQI
31st Jul 2026468 AMAQI
31st Jul 2026429 AMAQI
31st Jul 20264010 AMAQI
31st Jul 20264611 AMAQI
31st Jul 20264912 PMAQI
31st Jul 2026521 PMAQI
31st Jul 2026502 PMAQI
31st Jul 2026543 PMAQI
31st Jul 2026534 PMAQI
31st Jul 2026535 PMAQI
31st Jul 2026556 PMAQI
31st Jul 2026537 PMAQI
31st Jul 2026528 PMAQI
31st Jul 2026539 PMAQI
31st Jul 20265310 PMAQI
31st Jul 20265311 PMAQI
1st Aug 20265312 AMAQI
1st Aug 2026531 AMAQI
1st Aug 2026522 AMAQI
1st Aug 2026553 AMAQI
1st Aug 2026554 AMAQI
1st Aug 2026525 AMAQI
25°C17/34°C
1st Aug 2026546 AMAQI
1st Aug 2026517 AMAQI
1st Aug 2026518 AMAQI
1st Aug 2026549 AMAQI
1st Aug 20265110 AMAQI
1st Aug 20265311 AMAQI
1st Aug 20265212 PMAQI
1st Aug 2026541 PMAQI
1st Aug 2026512 PMAQI
1st Aug 2026443 PMAQI
1st Aug 2026484 PMAQI
1st Aug 2026465 PMAQI
1st Aug 2026486 PMAQI
1st Aug 2026447 PMAQI
1st Aug 2026408 PMAQI
1st Aug 2026389 PMAQI
1st Aug 20263810 PMAQI
1st Aug 20263611 PMAQI
2nd Aug 20263312 AMAQI
2nd Aug 2026361 AMAQI
2nd Aug 2026292 AMAQI
2nd Aug 2026273 AMAQI
2nd Aug 2026444 AMAQI
2nd Aug 2026365 AMAQI
25°C21/32°C
2nd Aug 2026276 AMAQI
2nd Aug 2026297 AMAQI
2nd Aug 2026258 AMAQI
2nd Aug 2026319 AMAQI
2nd Aug 20262910 AMAQI
2nd Aug 20262511 AMAQI
2nd Aug 20262512 PMAQI
2nd Aug 2026251 PMAQI
2nd Aug 2026422 PMAQI
2nd Aug 2026253 PMAQI
2nd Aug 2026364 PMAQI
2nd Aug 2026425 PMAQI
2nd Aug 2026346 PMAQI
2nd Aug 2026367 PMAQI
2nd Aug 2026278 PMAQI
2nd Aug 2026279 PMAQI
2nd Aug 20263010 PMAQI
2nd Aug 20262511 PMAQI
3rd Aug 20262312 AMAQI
3rd Aug 2026251 AMAQI
3rd Aug 2026232 AMAQI
3rd Aug 2026253 AMAQI
3rd Aug 2026384 AMAQI
3rd Aug 2026275 AMAQI
20°C19/24°C
3rd Aug 2026326 AMAQI
3rd Aug 2026447 AMAQI
3rd Aug 2026428 AMAQI
3rd Aug 2026369 AMAQI
3rd Aug 20264010 AMAQI
3rd Aug 20264411 AMAQI
3rd Aug 20264712 PMAQI
3rd Aug 2026441 PMAQI
3rd Aug 2026662 PMAQI
3rd Aug 2026623 PMAQI
3rd Aug 2026664 PMAQI
3rd Aug 2026525 PMAQI
3rd Aug 2026226 PMAQI
3rd Aug 2026207 PMAQI
3rd Aug 2026388 PMAQI
3rd Aug 2026309 PMAQI
3rd Aug 20263810 PMAQI
3rd Aug 20263611 PMAQI
4th Aug 20262712 AMAQI
4th Aug 2026271 AMAQI
4th Aug 2026312 AMAQI
4th Aug 2026243 AMAQI
4th Aug 2026244 AMAQI
4th Aug 2026385 AMAQI
21°C15/29°C
4th Aug 2026246 AMAQI
4th Aug 2026277 AMAQI
4th Aug 2026308 AMAQI
4th Aug 2026329 AMAQI
4th Aug 20263610 AMAQI
4th Aug 20264411 AMAQI
4th Aug 20265612 PMAQI
4th Aug 2026501 PMAQI
4th Aug 2026322 PMAQI
4th Aug 2026423 PMAQI
4th Aug 2026244 PMAQI
4th Aug 2026195 PMAQI
4th Aug 2026386 PMAQI
4th Aug 2026277 PMAQI
4th Aug 2026298 PMAQI
4th Aug 2026229 PMAQI
4th Aug 20262710 PMAQI
4th Aug 20263811 PMAQI
5th Aug 20265112 AMAQI
5th Aug 2026381 AMAQI
5th Aug 2026342 AMAQI
5th Aug 2026403 AMAQI
5th Aug 2026514 AMAQI
5th Aug 2026425 AMAQI
21°C12/30°C
5th Aug 2026446 AMAQI
5th Aug 2026447 AMAQI
5th Aug 2026308 AMAQI
5th Aug 2026289 AMAQI
5th Aug 20263810 AMAQI
5th Aug 20265211 AMAQI
5th Aug 20263812 PMAQI
5th Aug 2026351 PMAQI
5th Aug 2026382 PMAQI
5th Aug 2026463 PMAQI
5th Aug 2026254 PMAQI
5th Aug 2026335 PMAQI
5th Aug 2026266 PMAQI
5th Aug 2026257 PMAQI
5th Aug 2026298 PMAQI
5th Aug 2026339 PMAQI
5th Aug 20262510 PMAQI
5th Aug 20262211 PMAQI
6th Aug 20262912 AMAQI
6th Aug 2026291 AMAQI
6th Aug 2026362 AMAQI
6th Aug 2026253 AMAQI
6th Aug 2026384 AMAQI
6th Aug 2026255 AMAQI
23°C13/32°C
6th Aug 2026366 AMAQI
6th Aug 2026277 AMAQI
6th Aug 2026388 AMAQI
6th Aug 2026389 AMAQI
6th Aug 20263210 AMAQI
6th Aug 20262611 AMAQI
6th Aug 20263112 PMAQI
6th Aug 2026341 PMAQI
6th Aug 2026442 PMAQI
6th Aug 2026383 PMAQI
6th Aug 2026404 PMAQI
6th Aug 2026295 PMAQI
6th Aug 2026236 PMAQI
6th Aug 2026257 PMAQI
6th Aug 2026368 PMAQI
6th Aug 2026429 PMAQI
6th Aug 20264810 PMAQI
6th Aug 20264611 PMAQI
7th Aug 20262112 AMAQI
7th Aug 2026271 AMAQI
7th Aug 2026292 AMAQI
7th Aug 2026363 AMAQI
7th Aug 2026384 AMAQI
7th Aug 2026345 AMAQI
25°C20/30°C
7th Aug 2026316 AMAQI
7th Aug 2026297 AMAQI
7th Aug 2026298 AMAQI
7th Aug 2026269 AMAQI
7th Aug 20262510 AMAQI
7th Aug 20264211 AMAQI
7th Aug 20264012 PMAQI
7th Aug 2026381 PMAQI
7th Aug 2026402 PMAQI
7th Aug 2026403 PMAQI
7th Aug 2026404 PMAQI
7th Aug 2026445 PMAQI
7th Aug 2026466 PMAQI
7th Aug 2026447 PMAQI
7th Aug 2026488 PMAQI
7th Aug 2026469 PMAQI
7th Aug 20264410 PMAQI
7th Aug 20264011 PMAQI
8th Aug 20264212 AMAQI
8th Aug 2026481 AMAQI
8th Aug 2026442 AMAQI
8th Aug 2026463 AMAQI
8th Aug 2026424 AMAQI
8th Aug 2026405 AMAQI
25°C21/30°C
8th Aug 2026426 AMAQI
8th Aug 2026407 AMAQI
8th Aug 2026428 AMAQI
8th Aug 2026389 AMAQI
8th Aug 20263610 AMAQI
8th Aug 20263811 AMAQI
8th Aug 20263812 PMAQI
8th Aug 2026401 PMAQI
8th Aug 2026422 PMAQI
8th Aug 2026403 PMAQI
8th Aug 2026384 PMAQI
8th Aug 2026465 PMAQI
8th Aug 2026406 PMAQI
8th Aug 2026467 PMAQI
8th Aug 2026468 PMAQI
8th Aug 2026389 PMAQI
8th Aug 20263810 PMAQI
8th Aug 20264411 PMAQI
9th Aug 20264212 AMAQI
9th Aug 2026381 AMAQI
9th Aug 2026402 AMAQI
9th Aug 2026423 AMAQI
9th Aug 2026404 AMAQI
9th Aug 2026255 AMAQI
27°C22/35°C
9th Aug 2026246 AMAQI
9th Aug 2026237 AMAQI
9th Aug 2026388 AMAQI
9th Aug 2026309 AMAQI
9th Aug 20263010 AMAQI
9th Aug 20262611 AMAQI
9th Aug 20262212 PMAQI
9th Aug 2026251 PMAQI
9th Aug 2026262 PMAQI
9th Aug 2026223 PMAQI
9th Aug 2026254 PMAQI
9th Aug 2026525 PMAQI
9th Aug 2026386 PMAQI
9th Aug 2026237 PMAQI
9th Aug 2026258 PMAQI
9th Aug 2026389 PMAQI
9th Aug 20265010 PMAQI
9th Aug 20262711 PMAQI
10th Aug 20262512 AMAQI
10th Aug 2026421 AMAQI
10th Aug 2026212 AMAQI
10th Aug 2026443 AMAQI
10th Aug 2026404 AMAQI
10th Aug 2026445 AMAQI
24°C16/32°C
10th Aug 2026406 AMAQI
10th Aug 2026407 AMAQI
10th Aug 2026408 AMAQI
10th Aug 2026409 AMAQI
10th Aug 20263810 AMAQI
10th Aug 20263811 AMAQI
10th Aug 20263612 PMAQI
10th Aug 2026381 PMAQI
10th Aug 2026382 PMAQI
10th Aug 2026383 PMAQI
10th Aug 2026364 PMAQI
10th Aug 2026385 PMAQI
10th Aug 2026366 PMAQI
10th Aug 2026387 PMAQI
10th Aug 2026408 PMAQI
10th Aug 2026369 PMAQI
10th Aug 20263810 PMAQI
10th Aug 20263811 PMAQI
11th Aug 20263812 AMAQI
11th Aug 2026381 AMAQI
11th Aug 2026382 AMAQI
11th Aug 2026423 AMAQI
11th Aug 2026384 AMAQI
11th Aug 2026385 AMAQI
24°C20/31°C
11th Aug 2026406 AMAQI
11th Aug 2026387 AMAQI
11th Aug 2026448 AMAQI
11th Aug 2026449 AMAQI
11th Aug 20264410 AMAQI
11th Aug 20264411 AMAQI
11th Aug 20264612 PMAQI
11th Aug 2026441 PMAQI
11th Aug 2026302 PMAQI
11th Aug 2026403 PMAQI
11th Aug 2026444 PMAQI
11th Aug 2026485 PMAQI
11th Aug 2026466 PMAQI
11th Aug 2026467 PMAQI
11th Aug 2026448 PMAQI
11th Aug 2026389 PMAQI
11th Aug 20264010 PMAQI
11th Aug 20264211 PMAQI
12th Aug 20264012 AMAQI
12th Aug 2026381 AMAQI
12th Aug 2026402 AMAQI
12th Aug 2026383 AMAQI
12th Aug 2026424 AMAQI
12th Aug 2026405 AMAQI
25°C20/31°C
12th Aug 2026426 AMAQI
12th Aug 2026277 AMAQI
12th Aug 2026428 AMAQI
12th Aug 2026429 AMAQI
12th Aug 20264210 AMAQI
12th Aug 20264611 AMAQI
12th Aug 20264212 PMAQI
12th Aug 2026421 PMAQI
12th Aug 2026442 PMAQI
12th Aug 2026443 PMAQI
12th Aug 2026424 PMAQI
12th Aug 2026385 PMAQI
12th Aug 2026466 PMAQI
12th Aug 2026517 PMAQI
12th Aug 2026528 PMAQI
12th Aug 2026469 PMAQI
12th Aug 20265010 PMAQI
12th Aug 20265111 PMAQI
13th Aug 20265112 AMAQI
13th Aug 2026511 AMAQI
13th Aug 2026522 AMAQI
13th Aug 2026533 AMAQI
13th Aug 2026524 AMAQI
13th Aug 2026525 AMAQI
23°C18/30°C
13th Aug 2026536 AMAQI
13th Aug 2026547 AMAQI
13th Aug 2026528 AMAQI
13th Aug 2026549 AMAQI
13th Aug 20264410 AMAQI
13th Aug 20264411 AMAQI
13th Aug 20264612 PMAQI
13th Aug 2026421 PMAQI
13th Aug 2026442 PMAQI
13th Aug 2026403 PMAQI
13th Aug 2026464 PMAQI
13th Aug 2026465 PMAQI
13th Aug 2026466 PMAQI
13th Aug 2026467 PMAQI
13th Aug 2026428 PMAQI
13th Aug 2026449 PMAQI
13th Aug 20264210 PMAQI
13th Aug 20264211 PMAQI
14th Aug 20264012 AMAQI
14th Aug 2026421 AMAQI
14th Aug 2026382 AMAQI
14th Aug 2026383 AMAQI
14th Aug 2026404 AMAQI
14th Aug 2026425 AMAQI
24°C18/31°C
14th Aug 2026446 AMAQI
14th Aug 2026447 AMAQI
14th Aug 2026468 AMAQI
14th Aug 2026449 AMAQI
14th Aug 20264410 AMAQI
14th Aug 20264011 AMAQI
14th Aug 20264212 PMAQI
14th Aug 2026461 PMAQI
14th Aug 2026462 PMAQI
14th Aug 2026403 PMAQI
14th Aug 2026424 PMAQI
14th Aug 2026425 PMAQI
14th Aug 2026426 PMAQI
14th Aug 2026327 PMAQI
14th Aug 2026388 PMAQI
14th Aug 2026309 PMAQI
14th Aug 20262610 PMAQI
14th Aug 20262211 PMAQI
15th Aug 20265212 AMAQI
15th Aug 2026291 AMAQI
15th Aug 2026292 AMAQI
15th Aug 2026303 AMAQI
15th Aug 2026224 AMAQI
15th Aug 2026245 AMAQI
24°C18/30°C
15th Aug 2026246 AMAQI
15th Aug 2026257 AMAQI
15th Aug 2026258 AMAQI
15th Aug 2026259 AMAQI
15th Aug 20262210 AMAQI
15th Aug 20262411 AMAQI
15th Aug 20262612 PMAQI
15th Aug 2026241 PMAQI
15th Aug 2026382 PMAQI
15th Aug 2026253 PMAQI
15th Aug 2026324 PMAQI
15th Aug 2026295 PMAQI
15th Aug 2026336 PMAQI
15th Aug 2026467 PMAQI
15th Aug 2026428 PMAQI
15th Aug 2026409 PMAQI
15th Aug 20263810 PMAQI
15th Aug 20263811 PMAQI
16th Aug 20264012 AMAQI
16th Aug 2026421 AMAQI
16th Aug 2026382 AMAQI
16th Aug 2026403 AMAQI
16th Aug 2026364 AMAQI
16th Aug 2026385 AMAQI
22°C16/27°C
16th Aug 2026386 AMAQI
6 AM16th Aug 2026337 AMAQI
16th Aug 2026308 AMAQI
16th Aug 2026369 AMAQI
16th Aug 20263810 AMAQI
16th Aug 20262611 AMAQI
16th Aug 20262512 PMAQI
16th Aug 2026421 PMAQI
1 PM16th Aug 2026402 PMAQI
16th Aug 2026363 PMAQI
16th Aug 2026324 PMAQI
16th Aug 2026475 PMAQI
16th Aug 2026486 PMAQI
16th Aug 2026407 PMAQI
16th Aug 2026308 PMAQI
8 PM16th Aug 2026299 PMAQI
16th Aug 20263810 PMAQI
16th Aug 20264211 PMAQI
1 AM
5 AM
23°C21/27°C
Day time
Avg. Highest Time
6 AM - 5 PM
43AQI
12 hours / Day
360 hours / Month
Avg. Lowest Time
6 AM - 4 PM
43AQI
11 hours / Day
330 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 6 AM to 5 PM (Avg. 43), while the lowest AQI was between 6 AM to 4 PM (Avg. 43).
Night time
Avg. Highest Time
4 AM
44AQI
1 hours / Day
30 hours / Month
Avg. Lowest Time
5 AM - 11 PM
41AQI
4 hours / Day
120 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 4 AM to 4 AM (Avg. 44), while the lowest AQI was between 5 AM to 11 PM (Avg. 41).
2026 Days Vs Air Quality
Grand Avenue West, Chatham, Ontario, Canada
2026
90%
202
10%
22
Total number of days with different AQI categories in last 228 days in 2026 (137 days remaining)
Good
202 DaysModerate
22 DaysPoor
0 DaysUnhealthy
0 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 90%
Health Risk Level:
Very Low
In 2026, 90% of 228 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
Grand Avenue West, Chatham, Ontario, Canada
AQI levels in 2026
AQI (US)
PM₂.₅
PM₁₀
CO
SO₂
NO₂
O₃
Sun.Mon.Tue.Wed.Thu.Fri.Sat.
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
-1th undefined 2026
-1th undefined 2026
-1th undefined 2026
-1th undefined 2026
1st January 2026
14AQI (US)
14AQI (US)
2nd January 2026
18AQI (US)
18AQI (US)
3rd January 2026
23AQI (US)
23AQI (US)
4th January 2026
25AQI (US)
25AQI (US)
5th January 2026
51AQI (US)
51AQI (US)
6th January 2026
67AQI (US)
67AQI (US)
7th January 2026
50AQI (US)
50AQI (US)
8th January 2026
49AQI (US)
49AQI (US)
9th January 2026
21AQI (US)
21AQI (US)
10th January 2026
16AQI (US)
16AQI (US)
11th January 2026
16AQI (US)
16AQI (US)
12th January 2026
22AQI (US)
22AQI (US)
13th January 2026
34AQI (US)
34AQI (US)
14th January 2026
21AQI (US)
21AQI (US)
15th January 2026
14AQI (US)
14AQI (US)
16th January 2026
21AQI (US)
21AQI (US)
17th January 2026
32AQI (US)
32AQI (US)
18th January 2026
24AQI (US)
24AQI (US)
19th January 2026
33AQI (US)
33AQI (US)
20th January 2026
30AQI (US)
30AQI (US)
21st January 2026
30AQI (US)
30AQI (US)
22nd January 2026
58AQI (US)
58AQI (US)
23rd January 2026
60AQI (US)
60AQI (US)
24th January 2026
48AQI (US)
48AQI (US)
25th January 2026
50AQI (US)
50AQI (US)
26th January 2026
47AQI (US)
47AQI (US)
27th January 2026
39AQI (US)
39AQI (US)
28th January 2026
43AQI (US)
43AQI (US)
29th January 2026
49AQI (US)
49AQI (US)
30th January 2026
58AQI (US)
58AQI (US)
31st January 2026
43AQI (US)
43AQI (US)
1st February 2026
45AQI (US)
45AQI (US)
2nd February 2026
52AQI (US)
52AQI (US)
3rd February 2026
48AQI (US)
48AQI (US)
4th February 2026
44AQI (US)
44AQI (US)
5th February 2026
51AQI (US)
51AQI (US)
6th February 2026
49AQI (US)
49AQI (US)
7th February 2026
39AQI (US)
39AQI (US)
8th February 2026
42AQI (US)
42AQI (US)
9th February 2026
47AQI (US)
47AQI (US)
10th February 2026
43AQI (US)
43AQI (US)
11th February 2026
39AQI (US)
39AQI (US)
12th February 2026
38AQI (US)
38AQI (US)
13th February 2026
46AQI (US)
46AQI (US)
14th February 2026
50AQI (US)
50AQI (US)
15th February 2026
46AQI (US)
46AQI (US)
16th February 2026
46AQI (US)
46AQI (US)
17th February 2026
57AQI (US)
57AQI (US)
18th February 2026
43AQI (US)
43AQI (US)
19th February 2026
42AQI (US)
42AQI (US)
20th February 2026
41AQI (US)
41AQI (US)
21st February 2026
36AQI (US)
36AQI (US)
22nd February 2026
36AQI (US)
36AQI (US)
23rd February 2026
37AQI (US)
37AQI (US)
24th February 2026
44AQI (US)
44AQI (US)
25th February 2026
43AQI (US)
43AQI (US)
26th February 2026
33AQI (US)
33AQI (US)
27th February 2026
35AQI (US)
35AQI (US)
28th February 2026
34AQI (US)
34AQI (US)
1st March 2026
38AQI (US)
38AQI (US)
2nd March 2026
56AQI (US)
56AQI (US)
3rd March 2026
44AQI (US)
44AQI (US)
4th March 2026
46AQI (US)
46AQI (US)
5th March 2026
43AQI (US)
43AQI (US)
6th March 2026
36AQI (US)
36AQI (US)
7th March 2026
39AQI (US)
39AQI (US)
8th March 2026
37AQI (US)
37AQI (US)
9th March 2026
36AQI (US)
36AQI (US)
10th March 2026
33AQI (US)
33AQI (US)
11th March 2026
41AQI (US)
41AQI (US)
12th March 2026
38AQI (US)
38AQI (US)
13th March 2026
41AQI (US)
41AQI (US)
14th March 2026
35AQI (US)
35AQI (US)
15th March 2026
32AQI (US)
32AQI (US)
16th March 2026
37AQI (US)
37AQI (US)
17th March 2026
34AQI (US)
34AQI (US)
18th March 2026
31AQI (US)
31AQI (US)
19th March 2026
39AQI (US)
39AQI (US)
20th March 2026
42AQI (US)
42AQI (US)
21st March 2026
40AQI (US)
40AQI (US)
22nd March 2026
35AQI (US)
35AQI (US)
23rd March 2026
39AQI (US)
39AQI (US)
24th March 2026
36AQI (US)
36AQI (US)
25th March 2026
32AQI (US)
32AQI (US)
26th March 2026
37AQI (US)
37AQI (US)
27th March 2026
29AQI (US)
29AQI (US)
28th March 2026
30AQI (US)
30AQI (US)
29th March 2026
29AQI (US)
29AQI (US)
30th March 2026
25AQI (US)
25AQI (US)
31st March 2026
28AQI (US)
28AQI (US)
1st April 2026
29AQI (US)
29AQI (US)
2nd April 2026
29AQI (US)
29AQI (US)
3rd April 2026
29AQI (US)
29AQI (US)
4th April 2026
32AQI (US)
32AQI (US)
5th April 2026
30AQI (US)
30AQI (US)
6th April 2026
31AQI (US)
31AQI (US)
7th April 2026
27AQI (US)
27AQI (US)
8th April 2026
35AQI (US)
35AQI (US)
9th April 2026
29AQI (US)
29AQI (US)
10th April 2026
31AQI (US)
31AQI (US)
11th April 2026
30AQI (US)
30AQI (US)
12th April 2026
29AQI (US)
29AQI (US)
13th April 2026
31AQI (US)
31AQI (US)
14th April 2026
37AQI (US)
37AQI (US)
15th April 2026
36AQI (US)
36AQI (US)
16th April 2026
31AQI (US)
31AQI (US)
17th April 2026
18th April 2026
29AQI (US)
29AQI (US)
19th April 2026
32AQI (US)
32AQI (US)
20th April 2026
29AQI (US)
29AQI (US)
21st April 2026
28AQI (US)
28AQI (US)
22nd April 2026
23rd April 2026
25AQI (US)
25AQI (US)
24th April 2026
24AQI (US)
24AQI (US)
25th April 2026
28AQI (US)
28AQI (US)
26th April 2026
32AQI (US)
32AQI (US)
27th April 2026
27AQI (US)
27AQI (US)
28th April 2026
25AQI (US)
25AQI (US)
29th April 2026
24AQI (US)
24AQI (US)
30th April 2026
26AQI (US)
26AQI (US)
1st May 2026
25AQI (US)
25AQI (US)
2nd May 2026
23AQI (US)
23AQI (US)
3rd May 2026
22AQI (US)
22AQI (US)
4th May 2026
35AQI (US)
35AQI (US)
5th May 2026
38AQI (US)
38AQI (US)
6th May 2026
31AQI (US)
31AQI (US)
7th May 2026
26AQI (US)
26AQI (US)
8th May 2026
30AQI (US)
30AQI (US)
9th May 2026
10th May 2026
30AQI (US)
30AQI (US)
11th May 2026
27AQI (US)
27AQI (US)
12th May 2026
28AQI (US)
28AQI (US)
13th May 2026
31AQI (US)
31AQI (US)
14th May 2026
22AQI (US)
22AQI (US)
15th May 2026
46AQI (US)
46AQI (US)
16th May 2026
48AQI (US)
48AQI (US)
17th May 2026
53AQI (US)
53AQI (US)
18th May 2026
56AQI (US)
56AQI (US)
19th May 2026
52AQI (US)
52AQI (US)
20th May 2026
43AQI (US)
43AQI (US)
21st May 2026
40AQI (US)
40AQI (US)
22nd May 2026
43AQI (US)
43AQI (US)
23rd May 2026
51AQI (US)
51AQI (US)
24th May 2026
41AQI (US)
41AQI (US)
25th May 2026
42AQI (US)
42AQI (US)
26th May 2026
29AQI (US)
29AQI (US)
27th May 2026
28AQI (US)
28AQI (US)
28th May 2026
22AQI (US)
22AQI (US)
29th May 2026
24AQI (US)
24AQI (US)
30th May 2026
23AQI (US)
23AQI (US)
31st May 2026
28AQI (US)
28AQI (US)
1st June 2026
30AQI (US)
30AQI (US)
2nd June 2026
27AQI (US)
27AQI (US)
3rd June 2026
33AQI (US)
33AQI (US)
4th June 2026
26AQI (US)
26AQI (US)
5th June 2026
32AQI (US)
32AQI (US)
6th June 2026
26AQI (US)
26AQI (US)
7th June 2026
24AQI (US)
24AQI (US)
8th June 2026
26AQI (US)
26AQI (US)
9th June 2026
26AQI (US)
26AQI (US)
10th June 2026
27AQI (US)
27AQI (US)
11th June 2026
26AQI (US)
26AQI (US)
12th June 2026
26AQI (US)
26AQI (US)
13th June 2026
24AQI (US)
24AQI (US)
14th June 2026
23AQI (US)
23AQI (US)
15th June 2026
24AQI (US)
24AQI (US)
16th June 2026
27AQI (US)
27AQI (US)
17th June 2026
26AQI (US)
26AQI (US)
18th June 2026
27AQI (US)
27AQI (US)
19th June 2026
23AQI (US)
23AQI (US)
20th June 2026
23AQI (US)
23AQI (US)
21st June 2026
20AQI (US)
20AQI (US)
22nd June 2026
22AQI (US)
22AQI (US)
23rd June 2026
23AQI (US)
23AQI (US)
24th June 2026
24AQI (US)
24AQI (US)
25th June 2026
19AQI (US)
19AQI (US)
26th June 2026
26AQI (US)
26AQI (US)
27th June 2026
31AQI (US)
31AQI (US)
28th June 2026
28AQI (US)
28AQI (US)
29th June 2026
24AQI (US)
24AQI (US)
30th June 2026
27AQI (US)
27AQI (US)
1st July 2026
53AQI (US)
53AQI (US)
2nd July 2026
48AQI (US)
48AQI (US)
3rd July 2026
30AQI (US)
30AQI (US)
4th July 2026
25AQI (US)
25AQI (US)
5th July 2026
28AQI (US)
28AQI (US)
6th July 2026
28AQI (US)
28AQI (US)
7th July 2026
29AQI (US)
29AQI (US)
8th July 2026
27AQI (US)
27AQI (US)
9th July 2026
28AQI (US)
28AQI (US)
10th July 2026
31AQI (US)
31AQI (US)
11th July 2026
30AQI (US)
30AQI (US)
12th July 2026
38AQI (US)
38AQI (US)
13th July 2026
30AQI (US)
30AQI (US)
14th July 2026
30AQI (US)
30AQI (US)
15th July 2026
41AQI (US)
41AQI (US)
16th July 2026
81AQI (US)
81AQI (US)
17th July 2026
69AQI (US)
69AQI (US)
18th July 2026
56AQI (US)
56AQI (US)
19th July 2026
71AQI (US)
71AQI (US)
20th July 2026
70AQI (US)
70AQI (US)
21st July 2026
65AQI (US)
65AQI (US)
22nd July 2026
33AQI (US)
33AQI (US)
23rd July 2026
33AQI (US)
33AQI (US)
24th July 2026
32AQI (US)
32AQI (US)
25th July 2026
30AQI (US)
30AQI (US)
26th July 2026
47AQI (US)
47AQI (US)
27th July 2026
54AQI (US)
54AQI (US)
28th July 2026
54AQI (US)
54AQI (US)
29th July 2026
30AQI (US)
30AQI (US)
30th July 2026
37AQI (US)
37AQI (US)
31st July 2026
48AQI (US)
48AQI (US)
1st August 2026
49AQI (US)
49AQI (US)
2nd August 2026
31AQI (US)
31AQI (US)
3rd August 2026
38AQI (US)
38AQI (US)
4th August 2026
32AQI (US)
32AQI (US)
5th August 2026
36AQI (US)
36AQI (US)
6th August 2026
34AQI (US)
34AQI (US)
7th August 2026
37AQI (US)
37AQI (US)
8th August 2026
41AQI (US)
41AQI (US)
9th August 2026
32AQI (US)
32AQI (US)
10th August 2026
38AQI (US)
38AQI (US)
11th August 2026
41AQI (US)
41AQI (US)
12th August 2026
43AQI (US)
43AQI (US)
13th August 2026
47AQI (US)
47AQI (US)
14th August 2026
40AQI (US)
40AQI (US)
15th August 2026
31AQI (US)
31AQI (US)
16th August 2026
17th August 2026
18th August 2026
19th August 2026
20th August 2026
21st August 2026
22nd August 2026
23rd August 2026
24th August 2026
25th August 2026
26th August 2026
27th August 2026
28th August 2026
29th August 2026
30th August 2026
31st August 2026
1st September 2026
2nd September 2026
3rd September 2026
4th September 2026
5th September 2026
6th September 2026
7th September 2026
8th September 2026
9th September 2026
10th September 2026
11th September 2026
12th September 2026
13th September 2026
14th September 2026
15th September 2026
16th September 2026
17th September 2026
18th September 2026
19th September 2026
20th September 2026
21st September 2026
22nd September 2026
23rd September 2026
24th September 2026
25th September 2026
26th September 2026
27th September 2026
28th September 2026
29th September 2026
30th September 2026
1st October 2026
2nd October 2026
3rd October 2026
4th October 2026
5th October 2026
6th October 2026
7th October 2026
8th October 2026
9th October 2026
10th October 2026
11th October 2026
12th October 2026
13th October 2026
14th October 2026
15th October 2026
16th October 2026
17th October 2026
18th October 2026
19th October 2026
20th October 2026
21st October 2026
22nd October 2026
23rd October 2026
24th October 2026
25th October 2026
26th October 2026
27th October 2026
28th October 2026
29th October 2026
30th October 2026
31st October 2026
1st November 2026
2nd November 2026
3rd November 2026
4th November 2026
5th November 2026
6th November 2026
7th November 2026
8th November 2026
9th November 2026
10th November 2026
11th November 2026
12th November 2026
13th November 2026
14th November 2026
15th November 2026
16th November 2026
17th November 2026
18th November 2026
19th November 2026
20th November 2026
21st November 2026
22nd November 2026
23rd November 2026
24th November 2026
25th November 2026
26th November 2026
27th November 2026
28th November 2026
29th November 2026
30th November 2026
1st December 2026
2nd December 2026
3rd December 2026
4th December 2026
5th December 2026
6th December 2026
7th December 2026
8th December 2026
9th December 2026
10th December 2026
11th December 2026
12th December 2026
13th December 2026
14th December 2026
15th December 2026
16th December 2026
17th December 2026
18th December 2026
19th December 2026
20th December 2026
21st December 2026
22nd December 2026
23rd December 2026
24th December 2026
25th December 2026
26th December 2026
27th December 2026
28th December 2026
29th December 2026
30th December 2026
31st December 2026
36AQI (US)
43AQI (US)
37AQI (US)
29AQI (US)
35AQI (US)
26AQI (US)
42AQI (US)
38AQI (US)
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202636AQI (US)
26
5
25
3
30
1
28
26
4
30
22
9
15
202
22
Highest AQI (US) recorded in
February43AQI (US)
Lowest AQI (US) recorded in
June26AQI (US)
202535AQI (US)
4
1
30
31
18
12
22
9
17
12
2
27
3
28
3
28
2
27
4
232
46
2
Highest AQI (US) recorded in
June49AQI (US)
Lowest AQI (US) recorded in
May22AQI (US)
Most & Least Polluted Years Over the Last 2 Years
Most Polluted Year Recorded
2026(Avg.)
36AQI (US)Least Polluted Year Recorded
2025(Avg.)
35AQI (US)Grand Avenue West's annual 2026 AQI (US) (36) shows an average percentage change of 2.8% (worsened AQI (US)) compared to previous years: 2025 (35).
