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+
July Air Quality Analysis
Hamilton, Ontario, Canada
2022
2023
2024
2025
2026
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
18th Jul 2026
102AQILowest AQI recorded on
18th Jul 2024
21AQISame Day Analysis (28th July):
On this day, AQI across the 5 years varied significantly: 2026 ranks 4th highest AQI at 50 of Good air quality, showing improvement over 2025, 2024 and 2023 on the same day.
Day & Night AQI Trend: 27th Jul - 28th Jul 2026
Hamilton, Ontario, Canada
AQI
Day
Night
.
5 AM27th Jul 2026
8 PM
4 AM28th Jul 2026
Day time
Avg. Highest Time
7PM27th Jul
54AQI
Avg. Lowest Time
8AM27th Jul
42AQI
Night time
Avg. Highest Time
9PM27th Jul
55AQI
Avg. Lowest Time
5AM27th Jul
42AQI
In the last 24 hours,
Hamilton's AQI reached its highest point of 55 at 9 PM during the Night, while the lowest point, 42, was recorded at 8 AM during the Day between 27th Jul and 28th Jul 2026.
Day & Night AQI Trend : Jun - Jul 2026
Hamilton, Ontario, Canada
JunJul
29th - 30th30th - 01st01st - 02nd02nd - 03rd03rd - 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
Day
Night
29th Jun 2026265 AMAQI
29th Jun 2026246 AMAQI
29th Jun 2026227 AMAQI
29th Jun 2026268 AMAQI
29th Jun 2026249 AMAQI
29th Jun 20262610 AMAQI
29th Jun 20262711 AMAQI
29th Jun 20262912 PMAQI
29th Jun 2026261 PMAQI
29th Jun 2026262 PMAQI
29th Jun 2026253 PMAQI
29th Jun 2026264 PMAQI
29th Jun 2026255 PMAQI
29th Jun 2026256 PMAQI
29th Jun 2026267 PMAQI
29th Jun 2026268 PMAQI
29th Jun 2026279 PMAQI
29th Jun 20262810 PMAQI
29th Jun 20262511 PMAQI
30th Jun 20262512 AMAQI
30th Jun 2026251 AMAQI
30th Jun 2026272 AMAQI
30th Jun 2026283 AMAQI
30th Jun 2026274 AMAQI
22°C15/29°C
30th Jun 2026285 AMAQI
30th Jun 2026256 AMAQI
30th Jun 2026297 AMAQI
30th Jun 2026268 AMAQI
30th Jun 2026259 AMAQI
30th Jun 20262610 AMAQI
30th Jun 20262711 AMAQI
30th Jun 20263312 PMAQI
30th Jun 2026271 PMAQI
30th Jun 2026262 PMAQI
30th Jun 2026263 PMAQI
30th Jun 2026284 PMAQI
30th Jun 2026295 PMAQI
30th Jun 2026276 PMAQI
30th Jun 2026297 PMAQI
30th Jun 2026308 PMAQI
30th Jun 2026279 PMAQI
30th Jun 20262810 PMAQI
30th Jun 20262711 PMAQI
1st Jul 20263012 AMAQI
1st Jul 2026271 AMAQI
1st Jul 2026272 AMAQI
1st Jul 2026273 AMAQI
1st Jul 2026284 AMAQI
28°C18/38°C
1st Jul 2026255 AMAQI
1st Jul 2026266 AMAQI
1st Jul 2026267 AMAQI
1st Jul 2026278 AMAQI
1st Jul 2026279 AMAQI
1st Jul 20262810 AMAQI
1st Jul 20262911 AMAQI
1st Jul 20262812 PMAQI
1st Jul 2026291 PMAQI
1st Jul 2026292 PMAQI
1st Jul 2026293 PMAQI
1st Jul 2026284 PMAQI
1st Jul 2026275 PMAQI
1st Jul 2026276 PMAQI
1st Jul 2026287 PMAQI
1st Jul 2026278 PMAQI
1st Jul 2026269 PMAQI
1st Jul 20262310 PMAQI
1st Jul 20262111 PMAQI
2nd Jul 20262312 AMAQI
2nd Jul 2026261 AMAQI
2nd Jul 2026232 AMAQI
2nd Jul 2026233 AMAQI
2nd Jul 2026504 AMAQI
30°C25/40°C
2nd Jul 2026525 AMAQI
2nd Jul 2026546 AMAQI
2nd Jul 2026567 AMAQI
2nd Jul 2026558 AMAQI
2nd Jul 2026599 AMAQI
2nd Jul 20264510 AMAQI
2nd Jul 20265811 AMAQI
2nd Jul 20264512 PMAQI
2nd Jul 2026311 PMAQI
2nd Jul 2026342 PMAQI
2nd Jul 2026423 PMAQI
2nd Jul 2026324 PMAQI
2nd Jul 2026295 PMAQI
2nd Jul 2026316 PMAQI
2nd Jul 2026297 PMAQI
2nd Jul 2026288 PMAQI
2nd Jul 2026269 PMAQI
2nd Jul 20262610 PMAQI
2nd Jul 20262711 PMAQI
3rd Jul 20262812 AMAQI
3rd Jul 2026301 AMAQI
3rd Jul 2026332 AMAQI
3rd Jul 2026353 AMAQI
3rd Jul 2026374 AMAQI
29°C23/38°C
3rd Jul 2026355 AMAQI
3rd Jul 2026336 AMAQI
3rd Jul 2026327 AMAQI
3rd Jul 2026338 AMAQI
3rd Jul 2026409 AMAQI
3rd Jul 20263910 AMAQI
3rd Jul 20263111 AMAQI
3rd Jul 20263212 PMAQI
3rd Jul 2026311 PMAQI
3rd Jul 2026342 PMAQI
3rd Jul 2026363 PMAQI
3rd Jul 2026334 PMAQI
3rd Jul 2026295 PMAQI
3rd Jul 2026296 PMAQI
3rd Jul 2026307 PMAQI
3rd Jul 2026288 PMAQI
3rd Jul 2026289 PMAQI
3rd Jul 20262610 PMAQI
3rd Jul 20262511 PMAQI
4th Jul 20262712 AMAQI
4th Jul 2026271 AMAQI
4th Jul 2026292 AMAQI
4th Jul 2026293 AMAQI
4th Jul 2026284 AMAQI
30°C23/38°C
4th Jul 2026265 AMAQI
4th Jul 2026276 AMAQI
4th Jul 2026277 AMAQI
4th Jul 2026278 AMAQI
4th Jul 2026279 AMAQI
4th Jul 20262710 AMAQI
4th Jul 20262811 AMAQI
4th Jul 20262812 PMAQI
4th Jul 2026281 PMAQI
4th Jul 2026262 PMAQI
4th Jul 2026263 PMAQI
4th Jul 2026264 PMAQI
4th Jul 2026265 PMAQI
4th Jul 2026266 PMAQI
4th Jul 2026287 PMAQI
4th Jul 2026258 PMAQI
4th Jul 2026269 PMAQI
4th Jul 20262010 PMAQI
4th Jul 20262111 PMAQI
5th Jul 20262912 AMAQI
5th Jul 2026241 AMAQI
5th Jul 2026312 AMAQI
5th Jul 2026283 AMAQI
5th Jul 2026304 AMAQI
26°C21/31°C
5th Jul 2026285 AMAQI
5th Jul 2026266 AMAQI
5th Jul 2026257 AMAQI
5th Jul 2026328 AMAQI
5th Jul 2026309 AMAQI
5th Jul 20262810 AMAQI
5th Jul 20262811 AMAQI
5th Jul 20262812 PMAQI
5th Jul 2026321 PMAQI
5th Jul 2026342 PMAQI
5th Jul 2026243 PMAQI
5th Jul 2026294 PMAQI
5th Jul 2026295 PMAQI
5th Jul 2026286 PMAQI
5th Jul 2026277 PMAQI
5th Jul 2026248 PMAQI
5th Jul 2026369 PMAQI
5th Jul 20262210 PMAQI
5th Jul 20262411 PMAQI
6th Jul 20262412 AMAQI
6th Jul 2026281 AMAQI
6th Jul 2026302 AMAQI
6th Jul 2026263 AMAQI
6th Jul 2026214 AMAQI
20°C18/23°C
6th Jul 2026265 AMAQI
6th Jul 2026236 AMAQI
6th Jul 2026287 AMAQI
6th Jul 2026288 AMAQI
6th Jul 2026289 AMAQI
6th Jul 20262810 AMAQI
6th Jul 20263111 AMAQI
6th Jul 20263112 PMAQI
6th Jul 2026341 PMAQI
6th Jul 2026322 PMAQI
6th Jul 2026313 PMAQI
6th Jul 2026314 PMAQI
6th Jul 2026355 PMAQI
6th Jul 2026326 PMAQI
6th Jul 2026337 PMAQI
6th Jul 2026268 PMAQI
6th Jul 2026329 PMAQI
6th Jul 20262810 PMAQI
6th Jul 20262411 PMAQI
7th Jul 20262612 AMAQI
7th Jul 2026291 AMAQI
7th Jul 2026372 AMAQI
7th Jul 2026293 AMAQI
7th Jul 2026404 AMAQI
21°C18/24°C
7th Jul 2026295 AMAQI
7th Jul 2026306 AMAQI
7th Jul 2026307 AMAQI
7th Jul 2026298 AMAQI
7th Jul 2026309 AMAQI
7th Jul 20262910 AMAQI
7th Jul 20263211 AMAQI
7th Jul 20263312 PMAQI
7th Jul 2026311 PMAQI
7th Jul 2026302 PMAQI
7th Jul 2026293 PMAQI
7th Jul 2026314 PMAQI
7th Jul 2026315 PMAQI
7th Jul 2026316 PMAQI
7th Jul 2026317 PMAQI
7th Jul 2026298 PMAQI
7th Jul 2026299 PMAQI
7th Jul 20262610 PMAQI
7th Jul 20262711 PMAQI
8th Jul 20262612 AMAQI
8th Jul 2026271 AMAQI
8th Jul 2026292 AMAQI
8th Jul 2026283 AMAQI
8th Jul 2026254 AMAQI
22°C19/28°C
8th Jul 2026265 AMAQI
8th Jul 2026216 AMAQI
8th Jul 2026227 AMAQI
8th Jul 2026248 AMAQI
8th Jul 2026259 AMAQI
8th Jul 20262710 AMAQI
8th Jul 20262911 AMAQI
8th Jul 20263012 PMAQI
8th Jul 2026311 PMAQI
8th Jul 2026302 PMAQI
8th Jul 2026293 PMAQI
8th Jul 2026304 PMAQI
8th Jul 2026305 PMAQI
8th Jul 2026306 PMAQI
8th Jul 2026307 PMAQI
8th Jul 2026278 PMAQI
8th Jul 2026269 PMAQI
8th Jul 20262710 PMAQI
8th Jul 20262511 PMAQI
9th Jul 20263212 AMAQI
9th Jul 2026281 AMAQI
9th Jul 2026302 AMAQI
9th Jul 2026273 AMAQI
9th Jul 2026284 AMAQI
26°C18/34°C
9th Jul 2026305 AMAQI
9th Jul 2026336 AMAQI
9th Jul 2026317 AMAQI
9th Jul 2026268 AMAQI
9th Jul 2026279 AMAQI
9th Jul 20263010 AMAQI
9th Jul 20262911 AMAQI
9th Jul 20263112 PMAQI
9th Jul 2026301 PMAQI
9th Jul 2026292 PMAQI
9th Jul 2026293 PMAQI
9th Jul 2026304 PMAQI
9th Jul 2026325 PMAQI
9th Jul 2026316 PMAQI
9th Jul 2026317 PMAQI
9th Jul 2026318 PMAQI
9th Jul 2026309 PMAQI
9th Jul 20263110 PMAQI
9th Jul 20263011 PMAQI
10th Jul 20262712 AMAQI
10th Jul 2026251 AMAQI
10th Jul 2026262 AMAQI
10th Jul 2026283 AMAQI
10th Jul 2026314 AMAQI
26°C21/33°C
10th Jul 2026315 AMAQI
10th Jul 2026386 AMAQI
10th Jul 2026317 AMAQI
10th Jul 2026338 AMAQI
10th Jul 2026359 AMAQI
10th Jul 20263410 AMAQI
10th Jul 20263911 AMAQI
10th Jul 20264412 PMAQI
10th Jul 2026401 PMAQI
10th Jul 2026332 PMAQI
10th Jul 2026323 PMAQI
10th Jul 2026354 PMAQI
10th Jul 2026365 PMAQI
10th Jul 2026376 PMAQI
10th Jul 2026357 PMAQI
10th Jul 2026368 PMAQI
10th Jul 2026379 PMAQI
10th Jul 20263110 PMAQI
10th Jul 20263111 PMAQI
11th Jul 20262612 AMAQI
11th Jul 2026301 AMAQI
11th Jul 2026302 AMAQI
11th Jul 2026293 AMAQI
11th Jul 2026324 AMAQI
24°C20/30°C
11th Jul 2026315 AMAQI
11th Jul 2026316 AMAQI
11th Jul 2026317 AMAQI
11th Jul 2026348 AMAQI
11th Jul 2026339 AMAQI
11th Jul 20263610 AMAQI
11th Jul 20263411 AMAQI
11th Jul 20263412 PMAQI
11th Jul 2026351 PMAQI
11th Jul 2026332 PMAQI
11th Jul 2026333 PMAQI
11th Jul 2026344 PMAQI
11th Jul 2026355 PMAQI
11th Jul 2026346 PMAQI
11th Jul 2026337 PMAQI
11th Jul 2026348 PMAQI
11th Jul 2026329 PMAQI
11th Jul 20262910 PMAQI
11th Jul 20263111 PMAQI
12th Jul 20262912 AMAQI
12th Jul 2026251 AMAQI
12th Jul 2026292 AMAQI
12th Jul 2026263 AMAQI
12th Jul 2026354 AMAQI
23°C19/28°C
12th Jul 2026305 AMAQI
12th Jul 2026336 AMAQI
12th Jul 2026457 AMAQI
12th Jul 2026528 AMAQI
12th Jul 2026509 AMAQI
12th Jul 20263910 AMAQI
12th Jul 20263111 AMAQI
12th Jul 20263612 PMAQI
12th Jul 2026391 PMAQI
12th Jul 2026372 PMAQI
12th Jul 2026483 PMAQI
12th Jul 2026654 PMAQI
12th Jul 2026695 PMAQI
12th Jul 2026716 PMAQI
12th Jul 2026697 PMAQI
12th Jul 2026618 PMAQI
12th Jul 2026519 PMAQI
12th Jul 20265510 PMAQI
12th Jul 20266011 PMAQI
13th Jul 20266312 AMAQI
13th Jul 2026621 AMAQI
13th Jul 2026622 AMAQI
13th Jul 2026623 AMAQI
13th Jul 2026494 AMAQI
23°C17/30°C
13th Jul 2026505 AMAQI
13th Jul 2026416 AMAQI
13th Jul 2026427 AMAQI
13th Jul 2026378 AMAQI
13th Jul 2026369 AMAQI
13th Jul 20264110 AMAQI
13th Jul 20263711 AMAQI
13th Jul 20264412 PMAQI
13th Jul 2026361 PMAQI
13th Jul 2026352 PMAQI
13th Jul 2026303 PMAQI
13th Jul 2026344 PMAQI
13th Jul 2026335 PMAQI
13th Jul 2026336 PMAQI
13th Jul 2026297 PMAQI
13th Jul 2026338 PMAQI
13th Jul 2026339 PMAQI
13th Jul 20262810 PMAQI
13th Jul 20263611 PMAQI
14th Jul 20262612 AMAQI
14th Jul 2026231 AMAQI
14th Jul 2026232 AMAQI
14th Jul 2026293 AMAQI
14th Jul 2026354 AMAQI
26°C17/35°C
14th Jul 2026325 AMAQI
14th Jul 2026336 AMAQI
14th Jul 2026307 AMAQI
14th Jul 2026308 AMAQI
14th Jul 2026369 AMAQI
14th Jul 20263510 AMAQI
14th Jul 20263411 AMAQI
14th Jul 20263512 PMAQI
14th Jul 2026361 PMAQI
14th Jul 2026332 PMAQI
14th Jul 2026313 PMAQI
14th Jul 2026394 PMAQI
14th Jul 2026285 PMAQI
14th Jul 2026406 PMAQI
14th Jul 2026407 PMAQI
14th Jul 2026308 PMAQI
14th Jul 2026329 PMAQI
14th Jul 20262710 PMAQI
14th Jul 20262811 PMAQI
15th Jul 20262412 AMAQI
15th Jul 2026231 AMAQI
15th Jul 2026222 AMAQI
15th Jul 2026233 AMAQI
15th Jul 2026444 AMAQI
31°C23/41°C
15th Jul 2026355 AMAQI
15th Jul 2026336 AMAQI
15th Jul 2026367 AMAQI
15th Jul 2026368 AMAQI
15th Jul 2026399 AMAQI
15th Jul 20264410 AMAQI
15th Jul 20265311 AMAQI
15th Jul 20265312 PMAQI
15th Jul 2026721 PMAQI
15th Jul 2026842 PMAQI
15th Jul 2026683 PMAQI
15th Jul 20261184 PMAQI
15th Jul 2026845 PMAQI
15th Jul 2026706 PMAQI
15th Jul 2026657 PMAQI
15th Jul 2026558 PMAQI
15th Jul 2026709 PMAQI
15th Jul 20265910 PMAQI
15th Jul 20266011 PMAQI
16th Jul 20265812 AMAQI
16th Jul 2026591 AMAQI
16th Jul 2026652 AMAQI
16th Jul 2026733 AMAQI
16th Jul 2026754 AMAQI
29°C23/38°C
16th Jul 2026925 AMAQI
16th Jul 2026766 AMAQI
16th Jul 2026837 AMAQI
16th Jul 20261078 AMAQI
16th Jul 2026949 AMAQI
16th Jul 20268510 AMAQI
16th Jul 20268811 AMAQI
16th Jul 20268312 PMAQI
16th Jul 2026861 PMAQI
16th Jul 2026862 PMAQI
16th Jul 2026883 PMAQI
16th Jul 2026864 PMAQI
16th Jul 2026885 PMAQI
16th Jul 2026856 PMAQI
16th Jul 2026807 PMAQI
16th Jul 2026798 PMAQI
16th Jul 2026789 PMAQI
16th Jul 20268210 PMAQI
16th Jul 20268211 PMAQI
17th Jul 20267712 AMAQI
17th Jul 2026891 AMAQI
17th Jul 2026742 AMAQI
17th Jul 2026673 AMAQI
17th Jul 2026684 AMAQI
25°C20/30°C
17th Jul 2026705 AMAQI
17th Jul 2026656 AMAQI
17th Jul 2026697 AMAQI
17th Jul 2026678 AMAQI
17th Jul 2026719 AMAQI
17th Jul 20267210 AMAQI
17th Jul 20268811 AMAQI
17th Jul 202611012 PMAQI
17th Jul 2026941 PMAQI
17th Jul 2026772 PMAQI
17th Jul 2026703 PMAQI
17th Jul 2026924 PMAQI
17th Jul 2026975 PMAQI
17th Jul 2026876 PMAQI
17th Jul 2026737 PMAQI
17th Jul 2026818 PMAQI
17th Jul 20261059 PMAQI
17th Jul 202610810 PMAQI
17th Jul 202610811 PMAQI
18th Jul 202610612 AMAQI
18th Jul 20261141 AMAQI
18th Jul 20261142 AMAQI
18th Jul 20261183 AMAQI
18th Jul 20261274 AMAQI
24°C18/31°C
18th Jul 20261295 AMAQI
18th Jul 20261236 AMAQI
18th Jul 20261307 AMAQI
18th Jul 20261288 AMAQI
18th Jul 20261279 AMAQI
18th Jul 202612810 AMAQI
18th Jul 202610811 AMAQI
18th Jul 20267912 PMAQI
18th Jul 2026801 PMAQI
18th Jul 2026862 PMAQI
18th Jul 2026813 PMAQI
18th Jul 2026734 PMAQI
18th Jul 2026565 PMAQI
18th Jul 2026586 PMAQI
18th Jul 2026647 PMAQI
18th Jul 20261058 PMAQI
18th Jul 20261039 PMAQI
18th Jul 202610210 PMAQI
18th Jul 202610111 PMAQI
19th Jul 20267912 AMAQI
19th Jul 2026731 AMAQI
19th Jul 2026732 AMAQI
19th Jul 2026563 AMAQI
19th Jul 2026644 AMAQI
25°C20/35°C
19th Jul 2026645 AMAQI
19th Jul 2026696 AMAQI
19th Jul 2026687 AMAQI
19th Jul 2026848 AMAQI
19th Jul 2026849 AMAQI
19th Jul 20267410 AMAQI
19th Jul 20268011 AMAQI
19th Jul 20265612 PMAQI
19th Jul 2026501 PMAQI
19th Jul 2026422 PMAQI
19th Jul 2026363 PMAQI
19th Jul 2026424 PMAQI
19th Jul 2026315 PMAQI
19th Jul 2026416 PMAQI
19th Jul 2026277 PMAQI
19th Jul 2026298 PMAQI
19th Jul 2026309 PMAQI
19th Jul 20262510 PMAQI
19th Jul 20263611 PMAQI
20th Jul 20265612 AMAQI
20th Jul 2026451 AMAQI
20th Jul 2026242 AMAQI
20th Jul 2026243 AMAQI
20th Jul 2026254 AMAQI
22°C17/29°C
20th Jul 2026395 AMAQI
20th Jul 2026336 AMAQI
20th Jul 2026287 AMAQI
20th Jul 2026268 AMAQI
20th Jul 2026309 AMAQI
20th Jul 20262510 AMAQI
20th Jul 20262711 AMAQI
20th Jul 20262712 PMAQI
20th Jul 2026371 PMAQI
20th Jul 2026372 PMAQI
20th Jul 2026493 PMAQI
20th Jul 2026504 PMAQI
20th Jul 2026555 PMAQI
20th Jul 2026596 PMAQI
20th Jul 2026807 PMAQI
20th Jul 2026828 PMAQI
20th Jul 2026839 PMAQI
20th Jul 20268410 PMAQI
20th Jul 20266211 PMAQI
21st Jul 20268212 AMAQI
21st Jul 2026771 AMAQI
21st Jul 2026842 AMAQI
21st Jul 2026753 AMAQI
21st Jul 2026784 AMAQI
22°C14/30°C
21st Jul 2026735 AMAQI
21st Jul 2026706 AMAQI
21st Jul 2026737 AMAQI
21st Jul 2026768 AMAQI
21st Jul 2026749 AMAQI
21st Jul 20267110 AMAQI
21st Jul 20267811 AMAQI
21st Jul 20267812 PMAQI
21st Jul 2026761 PMAQI
21st Jul 2026592 PMAQI
21st Jul 2026403 PMAQI
21st Jul 2026424 PMAQI
21st Jul 2026355 PMAQI
21st Jul 2026386 PMAQI
21st Jul 2026317 PMAQI
21st Jul 2026278 PMAQI
21st Jul 2026269 PMAQI
21st Jul 20262710 PMAQI
21st Jul 20262911 PMAQI
22nd Jul 20262812 AMAQI
22nd Jul 2026201 AMAQI
22nd Jul 2026332 AMAQI
22nd Jul 2026303 AMAQI
22nd Jul 2026334 AMAQI
23°C20/27°C
22nd Jul 2026325 AMAQI
22nd Jul 2026316 AMAQI
22nd Jul 2026347 AMAQI
22nd Jul 2026338 AMAQI
22nd Jul 2026249 AMAQI
22nd Jul 20262710 AMAQI
22nd Jul 20262611 AMAQI
22nd Jul 20262312 PMAQI
22nd Jul 2026231 PMAQI
22nd Jul 2026202 PMAQI
22nd Jul 2026233 PMAQI
22nd Jul 2026214 PMAQI
22nd Jul 2026215 PMAQI
22nd Jul 2026226 PMAQI
22nd Jul 2026377 PMAQI
22nd Jul 2026258 PMAQI
22nd Jul 2026259 PMAQI
22nd Jul 20262210 PMAQI
22nd Jul 20263611 PMAQI
23rd Jul 20263312 AMAQI
23rd Jul 2026251 AMAQI
23rd Jul 2026332 AMAQI
23rd Jul 2026383 AMAQI
23rd Jul 2026314 AMAQI
19°C14/26°C
23rd Jul 2026295 AMAQI
23rd Jul 2026346 AMAQI
23rd Jul 2026437 AMAQI
23rd Jul 2026468 AMAQI
23rd Jul 2026299 AMAQI
23rd Jul 20262610 AMAQI
23rd Jul 20262611 AMAQI
23rd Jul 20262412 PMAQI
23rd Jul 2026261 PMAQI
23rd Jul 2026242 PMAQI
23rd Jul 2026283 PMAQI
23rd Jul 2026294 PMAQI
23rd Jul 2026255 PMAQI
23rd Jul 2026286 PMAQI
23rd Jul 2026237 PMAQI
23rd Jul 2026298 PMAQI
23rd Jul 2026299 PMAQI
23rd Jul 20262510 PMAQI
23rd Jul 20262411 PMAQI
24th Jul 20262412 AMAQI
24th Jul 2026221 AMAQI
24th Jul 2026272 AMAQI
24th Jul 2026293 AMAQI
24th Jul 2026244 AMAQI
20°C13/29°C
24th Jul 2026285 AMAQI
24th Jul 2026246 AMAQI
24th Jul 2026247 AMAQI
24th Jul 2026328 AMAQI
24th Jul 2026369 AMAQI
24th Jul 20263710 AMAQI
24th Jul 20263411 AMAQI
24th Jul 20262612 PMAQI
24th Jul 2026281 PMAQI
24th Jul 2026262 PMAQI
24th Jul 2026253 PMAQI
24th Jul 2026264 PMAQI
24th Jul 2026275 PMAQI
24th Jul 2026266 PMAQI
24th Jul 2026247 PMAQI
24th Jul 2026248 PMAQI
24th Jul 2026259 PMAQI
24th Jul 20262410 PMAQI
24th Jul 20262411 PMAQI
25th Jul 20262312 AMAQI
25th Jul 2026241 AMAQI
25th Jul 2026282 AMAQI
25th Jul 2026293 AMAQI
25th Jul 2026284 AMAQI
21°C14/28°C
25th Jul 2026275 AMAQI
25th Jul 2026356 AMAQI
25th Jul 2026277 AMAQI
25th Jul 2026268 AMAQI
25th Jul 2026269 AMAQI
25th Jul 20263610 AMAQI
25th Jul 20264011 AMAQI
25th Jul 20263812 PMAQI
25th Jul 2026401 PMAQI
25th Jul 2026432 PMAQI
25th Jul 2026453 PMAQI
25th Jul 2026464 PMAQI
25th Jul 2026445 PMAQI
25th Jul 2026416 PMAQI
25th Jul 2026427 PMAQI
25th Jul 2026438 PMAQI
25th Jul 2026399 PMAQI
25th Jul 20263910 PMAQI
25th Jul 20263911 PMAQI
26th Jul 20264012 AMAQI
26th Jul 2026451 AMAQI
26th Jul 2026432 AMAQI
26th Jul 2026433 AMAQI
26th Jul 2026434 AMAQI
22°C16/28°C
26th Jul 2026425 AMAQI
26th Jul 2026436 AMAQI
26th Jul 2026437 AMAQI
26th Jul 2026438 AMAQI
26th Jul 2026439 AMAQI
26th Jul 20264310 AMAQI
26th Jul 20264011 AMAQI
26th Jul 20264112 PMAQI
26th Jul 2026391 PMAQI
26th Jul 2026392 PMAQI
26th Jul 2026303 PMAQI
26th Jul 2026294 PMAQI
26th Jul 2026395 PMAQI
26th Jul 2026386 PMAQI
26th Jul 2026387 PMAQI
26th Jul 2026388 PMAQI
26th Jul 2026389 PMAQI
26th Jul 20264010 PMAQI
26th Jul 20264011 PMAQI
27th Jul 20263812 AMAQI
27th Jul 2026411 AMAQI
27th Jul 2026402 AMAQI
27th Jul 2026443 AMAQI
27th Jul 2026444 AMAQI
23°C18/30°C
27th Jul 2026425 AMAQI
27th Jul 2026436 AMAQI
27th Jul 2026437 AMAQI
27th Jul 2026428 AMAQI
27th Jul 2026449 AMAQI
27th Jul 20264510 AMAQI
27th Jul 20264411 AMAQI
27th Jul 20264612 PMAQI
27th Jul 2026471 PMAQI
27th Jul 2026472 PMAQI
27th Jul 2026503 PMAQI
27th Jul 2026524 PMAQI
27th Jul 2026535 PMAQI
27th Jul 2026526 PMAQI
27th Jul 2026547 PMAQI
27th Jul 2026548 PMAQI
27th Jul 2026559 PMAQI
27th Jul 20265410 PMAQI
27th Jul 20265511 PMAQI
28th Jul 20265512 AMAQI
28th Jul 2026551 AMAQI
28th Jul 2026532 AMAQI
28th Jul 2026543 AMAQI
28th Jul 2026544 AMAQI
25°C18/34°C
28th Jul 2026555 AMAQI
5 AM28th Jul 2026546 AMAQI
28th Jul 2026547 AMAQI
28th Jul 2026558 AMAQI
28th Jul 2026559 AMAQI
28th Jul 20265610 AMAQI
28th Jul 20265511 AMAQI
28th Jul 20265412 PMAQI
12 PM28th Jul 2026531 PMAQI
28th Jul 2026532 PMAQI
28th Jul 2026533 PMAQI
28th Jul 2026534 PMAQI
28th Jul 2026535 PMAQI
28th Jul 2026436 PMAQI
28th Jul 2026407 PMAQI
28th Jul 2026398 PMAQI
8 PM28th Jul 2026399 PMAQI
28th Jul 20263710 PMAQI
28th Jul 20263511 PMAQI
12 AM
4 AM
24°C20/28°C
Day time
Avg. Highest Time
8 AM - 4 PM
43AQI
9 hours / Day
270 hours / Month
Avg. Lowest Time
5 AM - 3 PM
42AQI
11 hours / Day
330 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 8 AM to 4 PM (Avg. 43), while the lowest AQI was between 5 AM to 3 PM (Avg. 42).
Night time
Avg. Highest Time
4 AM - 9 PM
42AQI
2 hours / Day
60 hours / Month
Avg. Lowest Time
12 AM - 3 AM
40AQI
4 hours / Day
120 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 4 AM to 9 PM (Avg. 42), while the lowest AQI was between 12 AM to 3 AM (Avg. 40).
2026 Days Vs Air Quality
Hamilton, Ontario, Canada
2026
90%
185
10%
20
0.4%
1
Total number of days with different AQI categories in last 209 days in 2026 (156 days remaining)
Good
185 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 209 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, 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
16AQI (US)
16AQI (US)
3rd January 2026
22AQI (US)
22AQI (US)
4th January 2026
34AQI (US)
34AQI (US)
5th January 2026
45AQI (US)
45AQI (US)
6th January 2026
85AQI (US)
85AQI (US)
7th January 2026
56AQI (US)
56AQI (US)
8th January 2026
61AQI (US)
61AQI (US)
9th January 2026
36AQI (US)
36AQI (US)
10th January 2026
21AQI (US)
21AQI (US)
11th January 2026
20AQI (US)
20AQI (US)
12th January 2026
29AQI (US)
29AQI (US)
13th January 2026
37AQI (US)
37AQI (US)
14th January 2026
35AQI (US)
35AQI (US)
15th January 2026
11AQI (US)
11AQI (US)
16th January 2026
26AQI (US)
26AQI (US)
17th January 2026
38AQI (US)
38AQI (US)
18th January 2026
25AQI (US)
25AQI (US)
19th January 2026
30AQI (US)
30AQI (US)
20th January 2026
22AQI (US)
22AQI (US)
21st January 2026
29AQI (US)
29AQI (US)
22nd January 2026
52AQI (US)
52AQI (US)
23rd January 2026
56AQI (US)
56AQI (US)
24th January 2026
47AQI (US)
47AQI (US)
25th January 2026
48AQI (US)
48AQI (US)
26th January 2026
48AQI (US)
48AQI (US)
27th January 2026
41AQI (US)
41AQI (US)
28th January 2026
45AQI (US)
45AQI (US)
29th January 2026
50AQI (US)
50AQI (US)
30th January 2026
56AQI (US)
56AQI (US)
31st January 2026
45AQI (US)
45AQI (US)
1st February 2026
45AQI (US)
45AQI (US)
2nd February 2026
52AQI (US)
52AQI (US)
3rd February 2026
54AQI (US)
54AQI (US)
4th February 2026
46AQI (US)
46AQI (US)
5th February 2026
50AQI (US)
50AQI (US)
6th February 2026
50AQI (US)
50AQI (US)
7th February 2026
40AQI (US)
40AQI (US)
8th February 2026
45AQI (US)
45AQI (US)
9th February 2026
46AQI (US)
46AQI (US)
10th February 2026
44AQI (US)
44AQI (US)
11th February 2026
40AQI (US)
40AQI (US)
12th February 2026
39AQI (US)
39AQI (US)
13th February 2026
47AQI (US)
47AQI (US)
14th February 2026
50AQI (US)
50AQI (US)
15th February 2026
45AQI (US)
45AQI (US)
16th February 2026
45AQI (US)
45AQI (US)
17th February 2026
59AQI (US)
59AQI (US)
18th February 2026
44AQI (US)
44AQI (US)
19th February 2026
41AQI (US)
41AQI (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
45AQI (US)
45AQI (US)
25th February 2026
45AQI (US)
45AQI (US)
26th February 2026
34AQI (US)
34AQI (US)
27th February 2026
38AQI (US)
38AQI (US)
28th February 2026
35AQI (US)
35AQI (US)
1st March 2026
38AQI (US)
38AQI (US)
2nd March 2026
60AQI (US)
60AQI (US)
3rd March 2026
48AQI (US)
48AQI (US)
4th March 2026
48AQI (US)
48AQI (US)
5th March 2026
43AQI (US)
43AQI (US)
6th March 2026
39AQI (US)
39AQI (US)
7th March 2026
37AQI (US)
37AQI (US)
8th March 2026
38AQI (US)
38AQI (US)
9th March 2026
38AQI (US)
38AQI (US)
10th March 2026
33AQI (US)
33AQI (US)
11th March 2026
41AQI (US)
41AQI (US)
12th March 2026
40AQI (US)
40AQI (US)
13th March 2026
40AQI (US)
40AQI (US)
14th March 2026
35AQI (US)
35AQI (US)
15th March 2026
33AQI (US)
33AQI (US)
16th March 2026
38AQI (US)
38AQI (US)
17th March 2026
34AQI (US)
34AQI (US)
18th March 2026
32AQI (US)
32AQI (US)
19th March 2026
38AQI (US)
38AQI (US)
20th March 2026
41AQI (US)
41AQI (US)
21st March 2026
39AQI (US)
39AQI (US)
22nd March 2026
38AQI (US)
38AQI (US)
23rd March 2026
40AQI (US)
40AQI (US)
24th March 2026
37AQI (US)
37AQI (US)
25th March 2026
38AQI (US)
38AQI (US)
26th March 2026
36AQI (US)
36AQI (US)
27th March 2026
28AQI (US)
28AQI (US)
28th March 2026
31AQI (US)
31AQI (US)
29th March 2026
31AQI (US)
31AQI (US)
30th March 2026
26AQI (US)
26AQI (US)
31st March 2026
29AQI (US)
29AQI (US)
1st April 2026
30AQI (US)
30AQI (US)
2nd April 2026
30AQI (US)
30AQI (US)
3rd April 2026
30AQI (US)
30AQI (US)
4th April 2026
31AQI (US)
31AQI (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
34AQI (US)
34AQI (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
33AQI (US)
33AQI (US)
14th April 2026
38AQI (US)
38AQI (US)
15th April 2026
37AQI (US)
37AQI (US)
16th April 2026
32AQI (US)
32AQI (US)
17th April 2026
18th April 2026
30AQI (US)
30AQI (US)
19th April 2026
32AQI (US)
32AQI (US)
20th April 2026
28AQI (US)
28AQI (US)
21st April 2026
28AQI (US)
28AQI (US)
22nd April 2026
23rd April 2026
24AQI (US)
24AQI (US)
24th April 2026
25AQI (US)
25AQI (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
26AQI (US)
26AQI (US)
29th April 2026
23AQI (US)
23AQI (US)
30th April 2026
25AQI (US)
25AQI (US)
1st May 2026
26AQI (US)
26AQI (US)
2nd May 2026
23AQI (US)
23AQI (US)
3rd May 2026
23AQI (US)
23AQI (US)
4th May 2026
34AQI (US)
34AQI (US)
5th May 2026
37AQI (US)
37AQI (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
26AQI (US)
26AQI (US)
13th May 2026
35AQI (US)
35AQI (US)
14th May 2026
22AQI (US)
22AQI (US)
15th May 2026
45AQI (US)
45AQI (US)
16th May 2026
52AQI (US)
52AQI (US)
17th May 2026
56AQI (US)
56AQI (US)
18th May 2026
57AQI (US)
57AQI (US)
19th May 2026
54AQI (US)
54AQI (US)
20th May 2026
51AQI (US)
51AQI (US)
21st May 2026
45AQI (US)
45AQI (US)
22nd May 2026
43AQI (US)
43AQI (US)
23rd May 2026
50AQI (US)
50AQI (US)
24th May 2026
47AQI (US)
47AQI (US)
25th May 2026
45AQI (US)
45AQI (US)
26th May 2026
34AQI (US)
34AQI (US)
27th May 2026
29AQI (US)
29AQI (US)
28th May 2026
27AQI (US)
27AQI (US)
29th May 2026
26AQI (US)
26AQI (US)
30th May 2026
28AQI (US)
28AQI (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
27AQI (US)
27AQI (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
27AQI (US)
27AQI (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
26AQI (US)
26AQI (US)
14th June 2026
26AQI (US)
26AQI (US)
15th June 2026
26AQI (US)
26AQI (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
25AQI (US)
25AQI (US)
21st June 2026
22AQI (US)
22AQI (US)
22nd June 2026
26AQI (US)
26AQI (US)
23rd June 2026
25AQI (US)
25AQI (US)
24th June 2026
24AQI (US)
24AQI (US)
25th June 2026
26AQI (US)
26AQI (US)
26th June 2026
33AQI (US)
33AQI (US)
27th June 2026
32AQI (US)
32AQI (US)
28th June 2026
28AQI (US)
28AQI (US)
29th June 2026
26AQI (US)
26AQI (US)
30th June 2026
27AQI (US)
27AQI (US)
1st July 2026
27AQI (US)
27AQI (US)
2nd July 2026
38AQI (US)
38AQI (US)
3rd July 2026
32AQI (US)
32AQI (US)
4th July 2026
26AQI (US)
26AQI (US)
5th July 2026
28AQI (US)
28AQI (US)
6th July 2026
29AQI (US)
29AQI (US)
7th July 2026
30AQI (US)
30AQI (US)
8th July 2026
27AQI (US)
27AQI (US)
9th July 2026
30AQI (US)
30AQI (US)
10th July 2026
34AQI (US)
34AQI (US)
11th July 2026
32AQI (US)
32AQI (US)
12th July 2026
45AQI (US)
45AQI (US)
13th July 2026
41AQI (US)
41AQI (US)
14th July 2026
32AQI (US)
32AQI (US)
15th July 2026
53AQI (US)
53AQI (US)
16th July 2026
81AQI (US)
81AQI (US)
17th July 2026
82AQI (US)
82AQI (US)
18th July 2026
102AQI (US)
102AQI (US)
19th July 2026
55AQI (US)
55AQI (US)
20th July 2026
45AQI (US)
45AQI (US)
21st July 2026
59AQI (US)
59AQI (US)
22nd July 2026
27AQI (US)
27AQI (US)
23rd July 2026
29AQI (US)
29AQI (US)
24th July 2026
27AQI (US)
27AQI (US)
25th July 2026
35AQI (US)
35AQI (US)
26th July 2026
40AQI (US)
40AQI (US)
27th July 2026
47AQI (US)
47AQI (US)
28th July 2026
50AQI (US)
50AQI (US)
29th July 2026
30th July 2026
31st July 2026
1st August 2026
2nd August 2026
3rd August 2026
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
38AQI (US)
44AQI (US)
38AQI (US)
30AQI (US)
36AQI (US)
27AQI (US)
42AQI (US)
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202636AQI (US)
25
6
25
3
30
1
28
25
5
30
22
5
1
185
20
1
Highest AQI (US) recorded in
February44AQI (US)
Lowest AQI (US) recorded in
June27AQI (US)
202536AQI (US)
26
5
24
4
28
3
30
31
20
10
25
6
17
13
1
27
3
28
3
26
4
23
8
305
59
1
Highest AQI (US) recorded in
August46AQI (US)
Lowest AQI (US) recorded in
May25AQI (US)
202434AQI (US)
26
5
24
5
30
1
29
1
22
9
27
3
29
2
23
8
22
8
30
1
30
29
2
321
45
Highest AQI (US) recorded in
January39AQI (US)
Lowest AQI (US) recorded in
November25AQI (US)
202343AQI (US)
25
6
23
5
27
4
25
5
24
7
11
15
3
1
21
10
20
11
24
6
28
3
27
2
22
9
277
83
3
1
Highest AQI (US) recorded in
June71AQI (US)
Lowest AQI (US) recorded in
October30AQI (US)
202237AQI (US)
28
2
20
1
27
4
26
4
23
8
24
6
20
4
1
29
1
25
6
24
6
28
3
275
45
Highest AQI (US) recorded in
May43AQI (US)
Lowest AQI (US) recorded in
August25AQI (US)
202137AQI (US)
22
7
25
3
23
8
24
6
26
5
25
5
22
9
26
5
29
1
31
26
4
28
3
307
56
Highest AQI (US) recorded in
April41AQI (US)
Lowest AQI (US) recorded in
October28AQI (US)
202036AQI (US)
10
3
21
13
5
27
3
27
4
27
4
27
3
30
1
25
5
25
6
232
34
Highest AQI (US) recorded in
May44AQI (US)
Lowest AQI (US) recorded in
October27AQI (US)
Most & Least Polluted Years Over the Last 7 Years
Most Polluted Year Recorded
2023(Avg.)
43AQI (US)Least Polluted Year Recorded
2024(Avg.)
34AQI (US)Hamilton's annual 2026 AQI (US) (36) shows an average percentage change of -2.6% (improved AQI (US)) compared to previous years: 2020 (36), 2021 (37), 2022 (37), 2023 (43), 2024 (34), 2025 (36).
