Hamilton West, Hamilton, 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
Hamilton West, Hamilton, Ontario, Canada
2022
2023
2024
2025
2026
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
4th Aug 2025
98AQILowest AQI recorded on
18th Aug 2025
17AQISame Day Analysis (3rd August):
On this day, AQI across the 5 years varied significantly: 2026 ranks 4th highest AQI at 30 of Good air quality, showing improvement over 2025, 2024 and 2023 on the same day.
Day & Night AQI Trend: 3rd Aug - 4th Aug 2026
Hamilton West, Hamilton, Ontario, Canada
AQI
Day
Night
.
5 AM3rd Aug 2026
8 PM
4 AM4th Aug 2026
Day time
Avg. Highest Time
7PM3rd Aug
72AQI
Avg. Lowest Time
2PM3rd Aug
20AQI
Night time
Avg. Highest Time
9PM3rd Aug
60AQI
Avg. Lowest Time
12AM4th Aug
19AQI
In the last 24 hours,
Hamilton West's AQI reached its highest point of 72 at 7 PM during the Day, while the lowest point, 19, was recorded at 12 AM during the Night between 3rd Aug and 4th Aug 2026.
Day & Night AQI Trend : Jul - Aug 2026
Hamilton West, Hamilton, Ontario, Canada
JulAug
06th - 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 - 03rd03rd - 04th04th
Day
Night
6th Jul 2026215 AMAQI
6th Jul 2026236 AMAQI
6th Jul 2026247 AMAQI
6th Jul 2026268 AMAQI
6th Jul 2026239 AMAQI
6th Jul 20262010 AMAQI
6th Jul 20262211 AMAQI
6th Jul 20262812 PMAQI
6th Jul 2026301 PMAQI
6th Jul 2026312 PMAQI
6th Jul 2026303 PMAQI
6th Jul 2026324 PMAQI
6th Jul 2026315 PMAQI
6th Jul 2026326 PMAQI
6th Jul 2026327 PMAQI
6th Jul 2026288 PMAQI
6th Jul 2026349 PMAQI
6th Jul 20263210 PMAQI
6th Jul 20262811 PMAQI
7th Jul 20263012 AMAQI
7th Jul 2026291 AMAQI
7th Jul 2026402 AMAQI
7th Jul 2026243 AMAQI
7th Jul 2026244 AMAQI
21°C18/24°C
7th Jul 2026245 AMAQI
7th Jul 2026286 AMAQI
7th Jul 2026317 AMAQI
7th Jul 2026288 AMAQI
7th Jul 2026439 AMAQI
7th Jul 20263110 AMAQI
7th Jul 20262811 AMAQI
7th Jul 20263012 PMAQI
7th Jul 2026281 PMAQI
7th Jul 2026302 PMAQI
7th Jul 2026283 PMAQI
7th Jul 2026324 PMAQI
7th Jul 2026345 PMAQI
7th Jul 2026326 PMAQI
7th Jul 2026307 PMAQI
7th Jul 2026308 PMAQI
7th Jul 2026329 PMAQI
7th Jul 20263010 PMAQI
7th Jul 20263011 PMAQI
8th Jul 20263112 AMAQI
8th Jul 2026301 AMAQI
8th Jul 2026282 AMAQI
8th Jul 2026273 AMAQI
8th Jul 2026254 AMAQI
22°C19/28°C
8th Jul 2026285 AMAQI
8th Jul 2026286 AMAQI
8th Jul 2026307 AMAQI
8th Jul 2026288 AMAQI
8th Jul 2026269 AMAQI
8th Jul 20262610 AMAQI
8th Jul 20262111 AMAQI
8th Jul 20262012 PMAQI
8th Jul 2026221 PMAQI
8th Jul 2026262 PMAQI
8th Jul 2026293 PMAQI
8th Jul 2026324 PMAQI
8th Jul 2026305 PMAQI
8th Jul 2026326 PMAQI
8th Jul 2026317 PMAQI
8th Jul 2026308 PMAQI
8th Jul 2026289 PMAQI
8th Jul 20262910 PMAQI
8th Jul 20263011 PMAQI
9th Jul 20262912 AMAQI
9th Jul 2026261 AMAQI
9th Jul 2026262 AMAQI
9th Jul 2026253 AMAQI
9th Jul 2026244 AMAQI
26°C18/34°C
9th Jul 2026245 AMAQI
9th Jul 2026266 AMAQI
9th Jul 2026307 AMAQI
9th Jul 2026278 AMAQI
9th Jul 2026289 AMAQI
9th Jul 20262410 AMAQI
9th Jul 20262811 AMAQI
9th Jul 20262712 PMAQI
9th Jul 2026271 PMAQI
9th Jul 2026272 PMAQI
9th Jul 2026323 PMAQI
9th Jul 2026304 PMAQI
9th Jul 2026305 PMAQI
9th Jul 2026316 PMAQI
9th Jul 2026307 PMAQI
9th Jul 2026308 PMAQI
9th Jul 2026299 PMAQI
9th Jul 20263010 PMAQI
9th Jul 20262811 PMAQI
10th Jul 20263112 AMAQI
10th Jul 2026301 AMAQI
10th Jul 2026312 AMAQI
10th Jul 2026303 AMAQI
10th Jul 2026304 AMAQI
26°C21/33°C
10th Jul 2026275 AMAQI
10th Jul 2026266 AMAQI
10th Jul 2026257 AMAQI
10th Jul 2026288 AMAQI
10th Jul 2026329 AMAQI
10th Jul 20263210 AMAQI
10th Jul 20263311 AMAQI
10th Jul 20263312 PMAQI
10th Jul 2026361 PMAQI
10th Jul 2026342 PMAQI
10th Jul 2026363 PMAQI
10th Jul 2026424 PMAQI
10th Jul 2026465 PMAQI
10th Jul 2026436 PMAQI
10th Jul 2026337 PMAQI
10th Jul 2026318 PMAQI
10th Jul 2026369 PMAQI
10th Jul 20263210 PMAQI
10th Jul 20264211 PMAQI
11th Jul 20263412 AMAQI
11th Jul 2026341 AMAQI
11th Jul 2026372 AMAQI
11th Jul 2026323 AMAQI
11th Jul 2026294 AMAQI
24°C20/30°C
11th Jul 2026275 AMAQI
11th Jul 2026266 AMAQI
11th Jul 2026247 AMAQI
11th Jul 2026288 AMAQI
11th Jul 2026329 AMAQI
11th Jul 20263210 AMAQI
11th Jul 20263111 AMAQI
11th Jul 20263012 PMAQI
11th Jul 2026341 PMAQI
11th Jul 2026322 PMAQI
11th Jul 2026343 PMAQI
11th Jul 2026364 PMAQI
11th Jul 2026325 PMAQI
11th Jul 2026326 PMAQI
11th Jul 2026317 PMAQI
11th Jul 2026308 PMAQI
11th Jul 2026339 PMAQI
11th Jul 20263010 PMAQI
11th Jul 20263111 PMAQI
12th Jul 20262912 AMAQI
12th Jul 2026321 AMAQI
12th Jul 2026322 AMAQI
12th Jul 2026273 AMAQI
12th Jul 2026284 AMAQI
23°C19/28°C
12th Jul 2026265 AMAQI
12th Jul 2026266 AMAQI
12th Jul 2026247 AMAQI
12th Jul 2026278 AMAQI
12th Jul 2026329 AMAQI
12th Jul 20263010 AMAQI
12th Jul 20262911 AMAQI
12th Jul 20264212 PMAQI
12th Jul 2026551 PMAQI
12th Jul 2026422 PMAQI
12th Jul 2026323 PMAQI
12th Jul 2026344 PMAQI
12th Jul 2026305 PMAQI
12th Jul 2026326 PMAQI
12th Jul 2026327 PMAQI
12th Jul 2026508 PMAQI
12th Jul 2026519 PMAQI
12th Jul 20267810 PMAQI
12th Jul 20267811 PMAQI
13th Jul 20267412 AMAQI
13th Jul 2026661 AMAQI
13th Jul 2026512 AMAQI
13th Jul 2026533 AMAQI
13th Jul 2026594 AMAQI
23°C17/30°C
13th Jul 2026635 AMAQI
13th Jul 2026646 AMAQI
13th Jul 2026677 AMAQI
13th Jul 2026628 AMAQI
13th Jul 2026469 AMAQI
13th Jul 20266310 AMAQI
13th Jul 20263411 AMAQI
13th Jul 20266412 PMAQI
13th Jul 2026351 PMAQI
13th Jul 2026362 PMAQI
13th Jul 2026353 PMAQI
13th Jul 2026344 PMAQI
13th Jul 2026355 PMAQI
13th Jul 2026346 PMAQI
13th Jul 2026317 PMAQI
13th Jul 2026308 PMAQI
13th Jul 2026329 PMAQI
13th Jul 20263410 PMAQI
13th Jul 20263511 PMAQI
14th Jul 20263012 AMAQI
14th Jul 2026331 AMAQI
14th Jul 2026342 AMAQI
14th Jul 2026283 AMAQI
14th Jul 2026364 AMAQI
26°C17/35°C
14th Jul 2026205 AMAQI
14th Jul 2026226 AMAQI
14th Jul 2026217 AMAQI
14th Jul 2026248 AMAQI
14th Jul 2026329 AMAQI
14th Jul 20263110 AMAQI
14th Jul 20263111 AMAQI
14th Jul 20263212 PMAQI
14th Jul 2026311 PMAQI
14th Jul 2026342 PMAQI
14th Jul 2026363 PMAQI
14th Jul 2026364 PMAQI
14th Jul 2026345 PMAQI
14th Jul 2026356 PMAQI
14th Jul 2026327 PMAQI
14th Jul 2026308 PMAQI
14th Jul 2026329 PMAQI
14th Jul 20262910 PMAQI
14th Jul 20263311 PMAQI
15th Jul 20263212 AMAQI
15th Jul 2026321 AMAQI
15th Jul 2026332 AMAQI
15th Jul 2026263 AMAQI
15th Jul 2026244 AMAQI
31°C23/41°C
15th Jul 2026235 AMAQI
15th Jul 2026206 AMAQI
15th Jul 2026207 AMAQI
15th Jul 2026228 AMAQI
15th Jul 2026269 AMAQI
15th Jul 20262410 AMAQI
15th Jul 20262411 AMAQI
15th Jul 20262612 PMAQI
15th Jul 2026261 PMAQI
15th Jul 2026282 PMAQI
15th Jul 2026283 PMAQI
15th Jul 2026404 PMAQI
15th Jul 2026605 PMAQI
15th Jul 2026706 PMAQI
15th Jul 2026847 PMAQI
15th Jul 2026868 PMAQI
15th Jul 20261329 PMAQI
15th Jul 20268210 PMAQI
15th Jul 20267111 PMAQI
16th Jul 20265212 AMAQI
16th Jul 2026521 AMAQI
16th Jul 2026502 AMAQI
16th Jul 2026543 AMAQI
16th Jul 2026584 AMAQI
29°C23/38°C
16th Jul 2026625 AMAQI
16th Jul 2026636 AMAQI
16th Jul 2026687 AMAQI
16th Jul 2026728 AMAQI
16th Jul 2026809 AMAQI
16th Jul 20267110 AMAQI
16th Jul 20267411 AMAQI
16th Jul 20268512 PMAQI
16th Jul 2026841 PMAQI
16th Jul 2026822 PMAQI
16th Jul 2026893 PMAQI
16th Jul 2026904 PMAQI
16th Jul 2026925 PMAQI
16th Jul 2026846 PMAQI
16th Jul 2026827 PMAQI
16th Jul 2026948 PMAQI
16th Jul 2026849 PMAQI
16th Jul 20268510 PMAQI
16th Jul 20268811 PMAQI
17th Jul 20268312 AMAQI
17th Jul 2026821 AMAQI
17th Jul 2026902 AMAQI
17th Jul 2026803 AMAQI
17th Jul 2026824 AMAQI
25°C20/30°C
17th Jul 2026785 AMAQI
17th Jul 2026766 AMAQI
17th Jul 2026747 AMAQI
17th Jul 2026648 AMAQI
17th Jul 2026669 AMAQI
17th Jul 20267110 AMAQI
17th Jul 20266011 AMAQI
17th Jul 20266612 PMAQI
17th Jul 2026661 PMAQI
17th Jul 2026732 PMAQI
17th Jul 2026763 PMAQI
17th Jul 20261334 PMAQI
17th Jul 20261825 PMAQI
17th Jul 20261236 PMAQI
17th Jul 2026787 PMAQI
17th Jul 2026688 PMAQI
17th Jul 20261659 PMAQI
17th Jul 20266710 PMAQI
17th Jul 20266811 PMAQI
18th Jul 20266512 AMAQI
18th Jul 20261161 AMAQI
18th Jul 20261162 AMAQI
18th Jul 20261173 AMAQI
18th Jul 20261624 AMAQI
24°C18/31°C
18th Jul 20261645 AMAQI
18th Jul 20261656 AMAQI
18th Jul 20261717 AMAQI
18th Jul 20261808 AMAQI
18th Jul 20261749 AMAQI
18th Jul 202617910 AMAQI
18th Jul 202617811 AMAQI
18th Jul 202617412 PMAQI
18th Jul 20261741 PMAQI
18th Jul 20261752 PMAQI
18th Jul 20261743 PMAQI
18th Jul 20261584 PMAQI
18th Jul 2026655 PMAQI
18th Jul 2026666 PMAQI
18th Jul 2026697 PMAQI
18th Jul 2026738 PMAQI
18th Jul 2026689 PMAQI
18th Jul 20266910 PMAQI
18th Jul 20266211 PMAQI
19th Jul 20266412 AMAQI
19th Jul 20261611 AMAQI
19th Jul 20261602 AMAQI
19th Jul 2026623 AMAQI
19th Jul 20261424 AMAQI
25°C20/35°C
19th Jul 20261285 AMAQI
19th Jul 2026596 AMAQI
19th Jul 2026587 AMAQI
19th Jul 2026568 AMAQI
19th Jul 2026539 AMAQI
19th Jul 20265210 AMAQI
19th Jul 20266611 AMAQI
19th Jul 20266712 PMAQI
19th Jul 2026961 PMAQI
19th Jul 20261052 PMAQI
19th Jul 2026823 PMAQI
19th Jul 2026974 PMAQI
19th Jul 2026575 PMAQI
19th Jul 2026446 PMAQI
19th Jul 2026447 PMAQI
19th Jul 2026388 PMAQI
19th Jul 2026429 PMAQI
19th Jul 20262610 PMAQI
19th Jul 20263811 PMAQI
20th Jul 20262412 AMAQI
20th Jul 2026251 AMAQI
20th Jul 2026282 AMAQI
20th Jul 2026273 AMAQI
20th Jul 2026274 AMAQI
22°C17/29°C
20th Jul 2026635 AMAQI
20th Jul 2026466 AMAQI
20th Jul 2026257 AMAQI
20th Jul 2026248 AMAQI
20th Jul 2026269 AMAQI
20th Jul 20262210 AMAQI
20th Jul 20262411 AMAQI
20th Jul 20262412 PMAQI
20th Jul 2026271 PMAQI
20th Jul 2026322 PMAQI
20th Jul 2026243 PMAQI
20th Jul 2026274 PMAQI
20th Jul 2026255 PMAQI
20th Jul 2026446 PMAQI
20th Jul 2026427 PMAQI
20th Jul 2026538 PMAQI
20th Jul 2026569 PMAQI
20th Jul 20266210 PMAQI
20th Jul 20266211 PMAQI
21st Jul 20269612 AMAQI
21st Jul 2026941 AMAQI
21st Jul 2026962 AMAQI
21st Jul 20261053 AMAQI
22°C14/30°C
21st Jul 20261025 AMAQI
21st Jul 2026866 AMAQI
21st Jul 20261107 AMAQI
21st Jul 2026808 AMAQI
21st Jul 2026959 AMAQI
21st Jul 20267010 AMAQI
21st Jul 20266411 AMAQI
21st Jul 20266812 PMAQI
21st Jul 2026781 PMAQI
21st Jul 2026692 PMAQI
21st Jul 2026723 PMAQI
21st Jul 2026944 PMAQI
21st Jul 2026805 PMAQI
21st Jul 2026786 PMAQI
21st Jul 2026567 PMAQI
21st Jul 2026348 PMAQI
21st Jul 2026269 PMAQI
21st Jul 20263610 PMAQI
21st Jul 20263611 PMAQI
22nd Jul 20262912 AMAQI
22nd Jul 2026261 AMAQI
22nd Jul 2026292 AMAQI
22nd Jul 2026293 AMAQI
22nd Jul 2026334 AMAQI
23°C20/27°C
22nd Jul 2026295 AMAQI
22nd Jul 2026206 AMAQI
22nd Jul 2026187 AMAQI
22nd Jul 2026148 AMAQI
22nd Jul 2026239 AMAQI
22nd Jul 20262510 AMAQI
22nd Jul 20262611 AMAQI
22nd Jul 20262612 PMAQI
22nd Jul 2026231 PMAQI
22nd Jul 2026242 PMAQI
22nd Jul 2026283 PMAQI
22nd Jul 2026254 PMAQI
22nd Jul 2026225 PMAQI
22nd Jul 2026246 PMAQI
22nd Jul 2026207 PMAQI
22nd Jul 2026228 PMAQI
22nd Jul 2026229 PMAQI
22nd Jul 20262210 PMAQI
22nd Jul 20262011 PMAQI
23rd Jul 20262812 AMAQI
23rd Jul 2026241 AMAQI
23rd Jul 2026222 AMAQI
23rd Jul 2026203 AMAQI
23rd Jul 2026184 AMAQI
19°C14/26°C
23rd Jul 2026185 AMAQI
23rd Jul 2026226 AMAQI
23rd Jul 2026187 AMAQI
23rd Jul 2026208 AMAQI
23rd Jul 2026199 AMAQI
23rd Jul 20262010 AMAQI
23rd Jul 20261911 AMAQI
23rd Jul 20261812 PMAQI
23rd Jul 2026231 PMAQI
23rd Jul 2026202 PMAQI
23rd Jul 2026333 PMAQI
23rd Jul 2026304 PMAQI
23rd Jul 2026285 PMAQI
23rd Jul 2026246 PMAQI
23rd Jul 2026257 PMAQI
23rd Jul 2026278 PMAQI
23rd Jul 2026299 PMAQI
23rd Jul 20262410 PMAQI
23rd Jul 20262711 PMAQI
24th Jul 20262312 AMAQI
24th Jul 2026241 AMAQI
24th Jul 2026252 AMAQI
24th Jul 2026293 AMAQI
24th Jul 2026254 AMAQI
20°C13/29°C
24th Jul 2026255 AMAQI
24th Jul 2026216 AMAQI
24th Jul 2026277 AMAQI
24th Jul 2026248 AMAQI
24th Jul 2026249 AMAQI
24th Jul 20262610 AMAQI
24th Jul 20262411 AMAQI
24th Jul 20262612 PMAQI
24th Jul 2026261 PMAQI
24th Jul 2026312 PMAQI
24th Jul 2026313 PMAQI
24th Jul 2026294 PMAQI
24th Jul 2026255 PMAQI
24th Jul 2026226 PMAQI
24th Jul 2026247 PMAQI
24th Jul 2026248 PMAQI
24th Jul 2026269 PMAQI
24th Jul 20262110 PMAQI
24th Jul 20262111 PMAQI
25th Jul 20262112 AMAQI
25th Jul 2026221 AMAQI
25th Jul 2026222 AMAQI
25th Jul 2026213 AMAQI
25th Jul 2026214 AMAQI
21°C14/28°C
25th Jul 2026235 AMAQI
25th Jul 2026256 AMAQI
25th Jul 2026317 AMAQI
25th Jul 2026338 AMAQI
25th Jul 2026299 AMAQI
25th Jul 20262910 AMAQI
25th Jul 20263811 AMAQI
25th Jul 20262512 PMAQI
25th Jul 2026251 PMAQI
25th Jul 2026252 PMAQI
25th Jul 2026343 PMAQI
25th Jul 2026384 PMAQI
25th Jul 2026405 PMAQI
25th Jul 2026426 PMAQI
25th Jul 2026487 PMAQI
25th Jul 2026448 PMAQI
25th Jul 2026469 PMAQI
25th Jul 20264610 PMAQI
25th Jul 20264211 PMAQI
26th Jul 20264212 AMAQI
26th Jul 2026441 AMAQI
26th Jul 2026402 AMAQI
26th Jul 2026363 AMAQI
26th Jul 2026384 AMAQI
22°C16/28°C
26th Jul 2026365 AMAQI
26th Jul 2026446 AMAQI
26th Jul 2026467 AMAQI
26th Jul 2026468 AMAQI
26th Jul 2026449 AMAQI
26th Jul 20264410 AMAQI
26th Jul 20264411 AMAQI
26th Jul 20264412 PMAQI
26th Jul 2026421 PMAQI
26th Jul 2026422 PMAQI
26th Jul 2026423 PMAQI
26th Jul 2026404 PMAQI
26th Jul 2026405 PMAQI
26th Jul 2026406 PMAQI
26th Jul 2026367 PMAQI
26th Jul 2026318 PMAQI
26th Jul 2026339 PMAQI
26th Jul 20264210 PMAQI
26th Jul 20264011 PMAQI
27th Jul 20264012 AMAQI
27th Jul 2026421 AMAQI
27th Jul 2026402 AMAQI
27th Jul 2026443 AMAQI
27th Jul 2026444 AMAQI
23°C18/30°C
27th Jul 2026365 AMAQI
27th Jul 2026406 AMAQI
27th Jul 2026447 AMAQI
27th Jul 2026448 AMAQI
27th Jul 2026469 AMAQI
27th Jul 20264410 AMAQI
27th Jul 20264211 AMAQI
27th Jul 20264612 PMAQI
27th Jul 2026441 PMAQI
27th Jul 2026442 PMAQI
27th Jul 2026483 PMAQI
27th Jul 2026484 PMAQI
27th Jul 2026505 PMAQI
27th Jul 2026466 PMAQI
27th Jul 2026467 PMAQI
27th Jul 2026508 PMAQI
27th Jul 2026529 PMAQI
27th Jul 20265410 PMAQI
27th Jul 20265411 PMAQI
28th Jul 20265612 AMAQI
28th Jul 2026561 AMAQI
28th Jul 2026542 AMAQI
28th Jul 2026553 AMAQI
28th Jul 2026544 AMAQI
25°C18/34°C
28th Jul 2026555 AMAQI
28th Jul 2026576 AMAQI
28th Jul 2026567 AMAQI
28th Jul 2026548 AMAQI
28th Jul 2026559 AMAQI
28th Jul 20265410 AMAQI
28th Jul 20265611 AMAQI
28th Jul 20265512 PMAQI
28th Jul 2026571 PMAQI
28th Jul 2026572 PMAQI
28th Jul 2026553 PMAQI
28th Jul 2026544 PMAQI
28th Jul 2026565 PMAQI
28th Jul 2026546 PMAQI
28th Jul 2026537 PMAQI
28th Jul 2026518 PMAQI
28th Jul 2026549 PMAQI
28th Jul 20265410 PMAQI
28th Jul 20264611 PMAQI
29th Jul 20264212 AMAQI
29th Jul 2026421 AMAQI
29th Jul 2026422 AMAQI
29th Jul 2026403 AMAQI
29th Jul 2026404 AMAQI
24°C20/28°C
29th Jul 2026385 AMAQI
29th Jul 2026386 AMAQI
29th Jul 2026337 AMAQI
29th Jul 2026388 AMAQI
29th Jul 2026349 AMAQI
29th Jul 20263310 AMAQI
29th Jul 20263111 AMAQI
29th Jul 20262812 PMAQI
29th Jul 2026231 PMAQI
29th Jul 2026232 PMAQI
29th Jul 2026253 PMAQI
29th Jul 2026224 PMAQI
29th Jul 2026225 PMAQI
29th Jul 2026226 PMAQI
29th Jul 2026217 PMAQI
29th Jul 2026218 PMAQI
29th Jul 2026209 PMAQI
29th Jul 20262210 PMAQI
29th Jul 20262411 PMAQI
30th Jul 20263812 AMAQI
30th Jul 2026231 AMAQI
30th Jul 2026252 AMAQI
30th Jul 2026213 AMAQI
30th Jul 2026244 AMAQI
24°C18/30°C
30th Jul 2026255 AMAQI
30th Jul 2026386 AMAQI
30th Jul 2026297 AMAQI
30th Jul 2026368 AMAQI
30th Jul 2026339 AMAQI
30th Jul 20262710 AMAQI
30th Jul 20262711 AMAQI
30th Jul 20262712 PMAQI
30th Jul 2026251 PMAQI
30th Jul 2026212 PMAQI
30th Jul 2026253 PMAQI
30th Jul 2026294 PMAQI
30th Jul 2026315 PMAQI
30th Jul 2026346 PMAQI
30th Jul 2026297 PMAQI
30th Jul 2026278 PMAQI
30th Jul 2026259 PMAQI
30th Jul 20262310 PMAQI
30th Jul 20262311 PMAQI
31st Jul 20262512 AMAQI
31st Jul 2026271 AMAQI
31st Jul 2026382 AMAQI
31st Jul 2026333 AMAQI
31st Jul 2026334 AMAQI
24°C17/32°C
31st Jul 2026315 AMAQI
31st Jul 2026256 AMAQI
31st Jul 2026257 AMAQI
31st Jul 2026268 AMAQI
31st Jul 2026259 AMAQI
31st Jul 20262510 AMAQI
31st Jul 20262911 AMAQI
31st Jul 20264212 PMAQI
31st Jul 2026271 PMAQI
31st Jul 2026362 PMAQI
31st Jul 2026333 PMAQI
31st Jul 2026294 PMAQI
31st Jul 2026255 PMAQI
31st Jul 2026276 PMAQI
31st Jul 2026317 PMAQI
31st Jul 2026338 PMAQI
31st Jul 2026369 PMAQI
31st Jul 20263310 PMAQI
31st Jul 20262711 PMAQI
1st Aug 20262112 AMAQI
1st Aug 2026271 AMAQI
1st Aug 2026212 AMAQI
1st Aug 2026213 AMAQI
1st Aug 2026314 AMAQI
25°C17/34°C
1st Aug 2026365 AMAQI
1st Aug 2026366 AMAQI
1st Aug 2026257 AMAQI
1st Aug 2026258 AMAQI
1st Aug 2026369 AMAQI
1st Aug 20264010 AMAQI
1st Aug 20264411 AMAQI
1st Aug 20264012 PMAQI
1st Aug 2026461 PMAQI
1st Aug 2026422 PMAQI
1st Aug 2026483 PMAQI
1st Aug 2026464 PMAQI
1st Aug 2026445 PMAQI
1st Aug 2026426 PMAQI
1st Aug 2026427 PMAQI
1st Aug 2026448 PMAQI
1st Aug 2026469 PMAQI
1st Aug 20264610 PMAQI
1st Aug 20264411 PMAQI
2nd Aug 20264812 AMAQI
2nd Aug 2026461 AMAQI
2nd Aug 2026462 AMAQI
2nd Aug 2026463 AMAQI
2nd Aug 2026424 AMAQI
25°C20/31°C
2nd Aug 2026445 AMAQI
2nd Aug 2026426 AMAQI
2nd Aug 2026447 AMAQI
2nd Aug 2026448 AMAQI
2nd Aug 2026429 AMAQI
2nd Aug 20264610 AMAQI
2nd Aug 20264211 AMAQI
2nd Aug 20264612 PMAQI
2nd Aug 2026501 PMAQI
2nd Aug 2026462 PMAQI
2nd Aug 2026423 PMAQI
2nd Aug 2026424 PMAQI
2nd Aug 2026365 PMAQI
2nd Aug 2026366 PMAQI
2nd Aug 2026337 PMAQI
2nd Aug 2026298 PMAQI
2nd Aug 2026279 PMAQI
2nd Aug 20262710 PMAQI
2nd Aug 20262711 PMAQI
3rd Aug 20262712 AMAQI
3rd Aug 2026251 AMAQI
3rd Aug 2026232 AMAQI
3rd Aug 2026363 AMAQI
3rd Aug 2026214 AMAQI
21°C20/23°C
3rd Aug 2026275 AMAQI
3rd Aug 2026216 AMAQI
3rd Aug 2026237 AMAQI
3rd Aug 2026208 AMAQI
3rd Aug 2026209 AMAQI
3rd Aug 20262310 AMAQI
3rd Aug 20262311 AMAQI
3rd Aug 20262512 PMAQI
3rd Aug 2026221 PMAQI
3rd Aug 2026202 PMAQI
3rd Aug 2026223 PMAQI
3rd Aug 2026244 PMAQI
3rd Aug 2026225 PMAQI
3rd Aug 2026246 PMAQI
3rd Aug 2026727 PMAQI
3rd Aug 2026688 PMAQI
3rd Aug 2026609 PMAQI
3rd Aug 20265810 PMAQI
3rd Aug 20261911 PMAQI
4th Aug 20261912 AMAQI
4th Aug 2026221 AMAQI
4th Aug 2026212 AMAQI
4th Aug 2026233 AMAQI
4th Aug 2026244 AMAQI
22°C17/29°C
4th Aug 2026275 AMAQI
5 AM4th Aug 2026236 AMAQI
4th Aug 2026237 AMAQI
4th Aug 2026348 AMAQI
4th Aug 2026349 AMAQI
4th Aug 20262510 AMAQI
4th Aug 20262511 AMAQI
4th Aug 20262912 PMAQI
12 PM4th Aug 2026301 PMAQI
4th Aug 2026272 PMAQI
4th Aug 2026363 PMAQI
4th Aug 2026274 PMAQI
4th Aug 2026305 PMAQI
4th Aug 2026256 PMAQI
4th Aug 2026217 PMAQI
4th Aug 2026228 PMAQI
8 PM4th Aug 2026259 PMAQI
4th Aug 20262510 PMAQI
4th Aug 20261911 PMAQI
12 AM
4 AM
22°C14/31°C
Day time
Avg. Highest Time
4 PM
48AQI
1 hours / Day
30 hours / Month
Avg. Lowest Time
6 AM - 8 AM
41AQI
3 hours / Day
90 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 4 PM to 4 PM (Avg. 48), while the lowest AQI was between 6 AM to 8 AM (Avg. 41).
Night time
Avg. Highest Time
9 PM
46AQI
1 hours / Day
30 hours / Month
Avg. Lowest Time
12 AM
40AQI
1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 9 PM to 9 PM (Avg. 46), while the lowest AQI was between 12 AM to 12 AM (Avg. 40).
2026 Days Vs Air Quality
Hamilton West, Hamilton, Ontario, Canada
2026
90%
191
9%
20
0.4%
1
Total number of days with different AQI categories in last 216 days in 2026 (149 days remaining)
Good
191 DaysModerate
20 DaysPoor
1 DaysUnhealthy
0 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 90%
Health Risk Level:
Very Low
In 2026, 90% of 216 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
Hamilton West, Hamilton, 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
15AQI (US)
15AQI (US)
2nd January 2026
13AQI (US)
13AQI (US)
3rd January 2026
13AQI (US)
13AQI (US)
4th January 2026
31AQI (US)
31AQI (US)
5th January 2026
32AQI (US)
32AQI (US)
6th January 2026
83AQI (US)
83AQI (US)
7th January 2026
54AQI (US)
54AQI (US)
8th January 2026
56AQI (US)
56AQI (US)
9th January 2026
46AQI (US)
46AQI (US)
10th January 2026
15AQI (US)
15AQI (US)
11th January 2026
19AQI (US)
19AQI (US)
12th January 2026
18AQI (US)
18AQI (US)
13th January 2026
35AQI (US)
35AQI (US)
14th January 2026
34AQI (US)
34AQI (US)
15th January 2026
11AQI (US)
11AQI (US)
16th January 2026
17AQI (US)
17AQI (US)
17th January 2026
34AQI (US)
34AQI (US)
18th January 2026
22AQI (US)
22AQI (US)
19th January 2026
28AQI (US)
28AQI (US)
20th January 2026
18AQI (US)
18AQI (US)
21st January 2026
22AQI (US)
22AQI (US)
22nd January 2026
43AQI (US)
43AQI (US)
23rd January 2026
56AQI (US)
56AQI (US)
24th January 2026
46AQI (US)
46AQI (US)
25th January 2026
50AQI (US)
50AQI (US)
26th January 2026
48AQI (US)
48AQI (US)
27th January 2026
43AQI (US)
43AQI (US)
28th January 2026
47AQI (US)
47AQI (US)
29th January 2026
48AQI (US)
48AQI (US)
30th January 2026
55AQI (US)
55AQI (US)
31st January 2026
45AQI (US)
45AQI (US)
1st February 2026
46AQI (US)
46AQI (US)
2nd February 2026
50AQI (US)
50AQI (US)
3rd February 2026
60AQI (US)
60AQI (US)
4th February 2026
47AQI (US)
47AQI (US)
5th February 2026
50AQI (US)
50AQI (US)
6th February 2026
50AQI (US)
50AQI (US)
7th February 2026
39AQI (US)
39AQI (US)
8th February 2026
47AQI (US)
47AQI (US)
9th February 2026
48AQI (US)
48AQI (US)
10th February 2026
42AQI (US)
42AQI (US)
11th February 2026
40AQI (US)
40AQI (US)
12th February 2026
39AQI (US)
39AQI (US)
13th February 2026
45AQI (US)
45AQI (US)
14th February 2026
52AQI (US)
52AQI (US)
15th February 2026
47AQI (US)
47AQI (US)
16th February 2026
43AQI (US)
43AQI (US)
17th February 2026
57AQI (US)
57AQI (US)
18th February 2026
48AQI (US)
48AQI (US)
19th February 2026
41AQI (US)
41AQI (US)
20th February 2026
42AQI (US)
42AQI (US)
21st February 2026
36AQI (US)
36AQI (US)
22nd February 2026
33AQI (US)
33AQI (US)
23rd February 2026
39AQI (US)
39AQI (US)
24th February 2026
44AQI (US)
44AQI (US)
25th February 2026
45AQI (US)
45AQI (US)
26th February 2026
34AQI (US)
34AQI (US)
27th February 2026
40AQI (US)
40AQI (US)
28th February 2026
36AQI (US)
36AQI (US)
1st March 2026
36AQI (US)
36AQI (US)
2nd March 2026
58AQI (US)
58AQI (US)
3rd March 2026
51AQI (US)
51AQI (US)
4th March 2026
50AQI (US)
50AQI (US)
5th March 2026
44AQI (US)
44AQI (US)
6th March 2026
43AQI (US)
43AQI (US)
7th March 2026
38AQI (US)
38AQI (US)
8th March 2026
37AQI (US)
37AQI (US)
9th March 2026
40AQI (US)
40AQI (US)
10th March 2026
29AQI (US)
29AQI (US)
11th March 2026
41AQI (US)
41AQI (US)
12th March 2026
43AQI (US)
43AQI (US)
13th March 2026
40AQI (US)
40AQI (US)
14th March 2026
36AQI (US)
36AQI (US)
15th March 2026
32AQI (US)
32AQI (US)
16th March 2026
37AQI (US)
37AQI (US)
17th March 2026
35AQI (US)
35AQI (US)
18th March 2026
32AQI (US)
32AQI (US)
19th March 2026
36AQI (US)
36AQI (US)
20th March 2026
41AQI (US)
41AQI (US)
21st March 2026
41AQI (US)
41AQI (US)
22nd March 2026
39AQI (US)
39AQI (US)
23rd March 2026
39AQI (US)
39AQI (US)
24th March 2026
37AQI (US)
37AQI (US)
25th March 2026
41AQI (US)
41AQI (US)
26th March 2026
36AQI (US)
36AQI (US)
27th March 2026
27AQI (US)
27AQI (US)
28th March 2026
31AQI (US)
31AQI (US)
29th March 2026
32AQI (US)
32AQI (US)
30th March 2026
26AQI (US)
26AQI (US)
31st March 2026
29AQI (US)
29AQI (US)
1st April 2026
29AQI (US)
29AQI (US)
2nd April 2026
29AQI (US)
29AQI (US)
3rd April 2026
32AQI (US)
32AQI (US)
4th April 2026
28AQI (US)
28AQI (US)
5th April 2026
32AQI (US)
32AQI (US)
6th April 2026
30AQI (US)
30AQI (US)
7th April 2026
30AQI (US)
30AQI (US)
8th April 2026
32AQI (US)
32AQI (US)
9th April 2026
30AQI (US)
30AQI (US)
10th April 2026
30AQI (US)
30AQI (US)
11th April 2026
31AQI (US)
31AQI (US)
12th April 2026
29AQI (US)
29AQI (US)
13th April 2026
33AQI (US)
33AQI (US)
14th April 2026
36AQI (US)
36AQI (US)
15th April 2026
37AQI (US)
37AQI (US)
16th April 2026
34AQI (US)
34AQI (US)
17th April 2026
18th April 2026
31AQI (US)
31AQI (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
23AQI (US)
23AQI (US)
24th April 2026
24AQI (US)
24AQI (US)
25th April 2026
29AQI (US)
29AQI (US)
26th April 2026
30AQI (US)
30AQI (US)
27th April 2026
30AQI (US)
30AQI (US)
28th April 2026
26AQI (US)
26AQI (US)
29th April 2026
23AQI (US)
23AQI (US)
30th April 2026
23AQI (US)
23AQI (US)
1st May 2026
27AQI (US)
27AQI (US)
2nd May 2026
25AQI (US)
25AQI (US)
3rd May 2026
22AQI (US)
22AQI (US)
4th May 2026
32AQI (US)
32AQI (US)
5th May 2026
38AQI (US)
38AQI (US)
6th May 2026
32AQI (US)
32AQI (US)
7th May 2026
27AQI (US)
27AQI (US)
8th May 2026
29AQI (US)
29AQI (US)
9th May 2026
10th May 2026
31AQI (US)
31AQI (US)
11th May 2026
28AQI (US)
28AQI (US)
12th May 2026
26AQI (US)
26AQI (US)
13th May 2026
35AQI (US)
35AQI (US)
14th May 2026
23AQI (US)
23AQI (US)
15th May 2026
39AQI (US)
39AQI (US)
16th May 2026
52AQI (US)
52AQI (US)
17th May 2026
55AQI (US)
55AQI (US)
18th May 2026
58AQI (US)
58AQI (US)
19th May 2026
54AQI (US)
54AQI (US)
20th May 2026
53AQI (US)
53AQI (US)
21st May 2026
48AQI (US)
48AQI (US)
22nd May 2026
40AQI (US)
40AQI (US)
23rd May 2026
50AQI (US)
50AQI (US)
24th May 2026
49AQI (US)
49AQI (US)
25th May 2026
45AQI (US)
45AQI (US)
26th May 2026
39AQI (US)
39AQI (US)
27th May 2026
29AQI (US)
29AQI (US)
28th May 2026
28AQI (US)
28AQI (US)
29th May 2026
27AQI (US)
27AQI (US)
30th May 2026
27AQI (US)
27AQI (US)
31st May 2026
29AQI (US)
29AQI (US)
1st June 2026
31AQI (US)
31AQI (US)
2nd June 2026
32AQI (US)
32AQI (US)
3rd June 2026
32AQI (US)
32AQI (US)
4th June 2026
28AQI (US)
28AQI (US)
5th June 2026
27AQI (US)
27AQI (US)
6th June 2026
26AQI (US)
26AQI (US)
7th June 2026
26AQI (US)
26AQI (US)
8th June 2026
26AQI (US)
26AQI (US)
9th June 2026
26AQI (US)
26AQI (US)
10th June 2026
28AQI (US)
28AQI (US)
11th June 2026
28AQI (US)
28AQI (US)
12th June 2026
27AQI (US)
27AQI (US)
13th June 2026
25AQI (US)
25AQI (US)
14th June 2026
27AQI (US)
27AQI (US)
15th June 2026
24AQI (US)
24AQI (US)
16th June 2026
27AQI (US)
27AQI (US)
17th June 2026
28AQI (US)
28AQI (US)
18th June 2026
28AQI (US)
28AQI (US)
19th June 2026
26AQI (US)
26AQI (US)
20th June 2026
26AQI (US)
26AQI (US)
21st June 2026
22AQI (US)
22AQI (US)
22nd June 2026
24AQI (US)
24AQI (US)
23rd June 2026
25AQI (US)
25AQI (US)
24th June 2026
24AQI (US)
24AQI (US)
25th June 2026
25AQI (US)
25AQI (US)
26th June 2026
33AQI (US)
33AQI (US)
27th June 2026
33AQI (US)
33AQI (US)
28th June 2026
28AQI (US)
28AQI (US)
29th June 2026
26AQI (US)
26AQI (US)
30th June 2026
25AQI (US)
25AQI (US)
1st July 2026
27AQI (US)
27AQI (US)
2nd July 2026
37AQI (US)
37AQI (US)
3rd July 2026
34AQI (US)
34AQI (US)
4th July 2026
27AQI (US)
27AQI (US)
5th July 2026
28AQI (US)
28AQI (US)
6th July 2026
27AQI (US)
27AQI (US)
7th July 2026
30AQI (US)
30AQI (US)
8th July 2026
28AQI (US)
28AQI (US)
9th July 2026
28AQI (US)
28AQI (US)
10th July 2026
33AQI (US)
33AQI (US)
11th July 2026
31AQI (US)
31AQI (US)
12th July 2026
37AQI (US)
37AQI (US)
13th July 2026
47AQI (US)
47AQI (US)
14th July 2026
31AQI (US)
31AQI (US)
15th July 2026
43AQI (US)
43AQI (US)
16th July 2026
75AQI (US)
75AQI (US)
17th July 2026
86AQI (US)
86AQI (US)
18th July 2026
130AQI (US)
130AQI (US)
19th July 2026
75AQI (US)
75AQI (US)
20th July 2026
35AQI (US)
35AQI (US)
21st July 2026
75AQI (US)
75AQI (US)
22nd July 2026
24AQI (US)
24AQI (US)
23rd July 2026
23AQI (US)
23AQI (US)
24th July 2026
25AQI (US)
25AQI (US)
25th July 2026
32AQI (US)
32AQI (US)
26th July 2026
41AQI (US)
41AQI (US)
27th July 2026
45AQI (US)
45AQI (US)
28th July 2026
54AQI (US)
54AQI (US)
29th July 2026
30AQI (US)
30AQI (US)
30th July 2026
28AQI (US)
28AQI (US)
31st July 2026
30AQI (US)
30AQI (US)
1st August 2026
37AQI (US)
37AQI (US)
2nd August 2026
41AQI (US)
41AQI (US)
3rd August 2026
30AQI (US)
30AQI (US)
4th August 2026
5th August 2026
6th August 2026
7th August 2026
8th August 2026
9th August 2026
10th August 2026
11th August 2026
12th August 2026
13th August 2026
14th August 2026
15th August 2026
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
35AQI (US)
44AQI (US)
38AQI (US)
30AQI (US)
37AQI (US)
27AQI (US)
42AQI (US)
36AQI (US)
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202636AQI (US)
26
5
25
3
29
2
28
25
5
30
25
5
1
3
191
20
1
Highest AQI (US) recorded in
February44AQI (US)
Lowest AQI (US) recorded in
June27AQI (US)
202535AQI (US)
26
5
23
5
28
3
30
31
20
10
25
6
18
13
28
2
28
3
27
3
25
6
309
56
Highest AQI (US) recorded in
June45AQI (US)
Lowest AQI (US) recorded in
May26AQI (US)
202433AQI (US)
26
5
24
5
30
1
30
23
8
26
2
29
2
25
6
17
3
30
1
30
29
2
319
35
Highest AQI (US) recorded in
January39AQI (US)
Lowest AQI (US) recorded in
November24AQI (US)
202342AQI (US)
24
6
24
4
26
5
25
5
28
3
11
12
4
3
22
8
1
21
10
26
4
28
3
27
2
22
9
284
71
5
3
Highest AQI (US) recorded in
June74AQI (US)
Lowest AQI (US) recorded in
October29AQI (US)
202235AQI (US)
28
2
19
2
27
4
22
2
24
7
27
3
22
1
1
27
26
5
24
6
28
3
275
35
Highest AQI (US) recorded in
May41AQI (US)
Lowest AQI (US) recorded in
August18AQI (US)
202135AQI (US)
22
7
24
4
24
7
23
7
26
5
27
3
24
7
24
7
26
4
31
27
3
26
5
304
59
Highest AQI (US) recorded in
April40AQI (US)
Lowest AQI (US) recorded in
October25AQI (US)
202036AQI (US)
11
1
21
13
5
26
4
29
2
25
6
26
4
30
1
26
4
26
5
233
32
Highest AQI (US) recorded in
May42AQI (US)
Lowest AQI (US) recorded in
October28AQI (US)
Most & Least Polluted Years Over the Last 7 Years
Most Polluted Year Recorded
2023(Avg.)
42AQI (US)Least Polluted Year Recorded
2024(Avg.)
33AQI (US)Hamilton West's annual 2026 AQI (US) (36) shows an average percentage change of 0.5% (worsened AQI (US)) compared to previous years: 2020 (36), 2021 (35), 2022 (35), 2023 (42), 2024 (33), 2025 (35).
