Peterborough, 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
Peterborough, Ontario, Canada
2022
2023
2024
2025
2026
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
1st Jul 2023
115AQILowest AQI recorded on
1st Jul 2024
17AQISame Day Analysis (30th July):
On this day, AQI across the 5 years varied significantly: 2026 ranks 3rd highest AQI at 27 of Good air quality, showing improvement over 2025 and 2024 on the same day.
Day & Night AQI Trend: 29th Jul - 30th Jul 2026
Peterborough, Ontario, Canada
AQI
Day
Night
.
5 AM29th Jul 2026
8 PM
4 AM30th Jul 2026
Day time
Avg. Highest Time
7AM29th Jul
34AQI
Avg. Lowest Time
8PM29th Jul
21AQI
Night time
Avg. Highest Time
4AM30th Jul
38AQI
Avg. Lowest Time
9PM29th Jul
21AQI
In the last 24 hours,
Peterborough's AQI reached its highest point of 38 at 4 AM during the Night, while the lowest point, 21, was recorded at 9 PM during the Night between 29th Jul and 30th Jul 2026.
Day & Night AQI Trend : Jul 2026
Peterborough, Ontario, Canada
Jul
01st - 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 - 29th29th - 30th30th
Day
Night
1st Jul 2026255 AMAQI
1st Jul 2026266 AMAQI
1st Jul 2026277 AMAQI
1st Jul 2026288 AMAQI
1st Jul 2026289 AMAQI
1st Jul 20262810 AMAQI
1st Jul 20263011 AMAQI
1st Jul 20263012 PMAQI
1st Jul 2026301 PMAQI
1st Jul 2026282 PMAQI
1st Jul 2026283 PMAQI
1st Jul 2026284 PMAQI
1st Jul 2026265 PMAQI
1st Jul 2026266 PMAQI
1st Jul 2026667 PMAQI
1st Jul 2026328 PMAQI
1st Jul 2026289 PMAQI
1st Jul 20263110 PMAQI
1st Jul 20263211 PMAQI
2nd Jul 20263312 AMAQI
2nd Jul 2026621 AMAQI
2nd Jul 2026682 AMAQI
2nd Jul 2026743 AMAQI
2nd Jul 2026644 AMAQI
27°C21/35°C
2nd Jul 2026645 AMAQI
2nd Jul 2026626 AMAQI
2nd Jul 2026577 AMAQI
2nd Jul 2026568 AMAQI
2nd Jul 2026579 AMAQI
2nd Jul 20265810 AMAQI
2nd Jul 20266011 AMAQI
2nd Jul 20265612 PMAQI
2nd Jul 2026571 PMAQI
2nd Jul 2026622 PMAQI
2nd Jul 2026723 PMAQI
2nd Jul 2026644 PMAQI
2nd Jul 2026535 PMAQI
2nd Jul 2026366 PMAQI
2nd Jul 2026347 PMAQI
2nd Jul 2026348 PMAQI
2nd Jul 2026349 PMAQI
2nd Jul 20263410 PMAQI
2nd Jul 20263411 PMAQI
3rd Jul 20263612 AMAQI
3rd Jul 2026301 AMAQI
3rd Jul 2026302 AMAQI
3rd Jul 2026283 AMAQI
3rd Jul 2026284 AMAQI
26°C19/33°C
3rd Jul 2026285 AMAQI
3rd Jul 2026296 AMAQI
3rd Jul 2026287 AMAQI
3rd Jul 2026298 AMAQI
3rd Jul 2026299 AMAQI
3rd Jul 20263010 AMAQI
3rd Jul 20263211 AMAQI
3rd Jul 20263212 PMAQI
3rd Jul 2026301 PMAQI
3rd Jul 2026302 PMAQI
3rd Jul 2026313 PMAQI
3rd Jul 2026304 PMAQI
3rd Jul 2026285 PMAQI
3rd Jul 2026286 PMAQI
3rd Jul 2026287 PMAQI
3rd Jul 2026268 PMAQI
3rd Jul 2026269 PMAQI
3rd Jul 20262410 PMAQI
3rd Jul 20262511 PMAQI
4th Jul 20262412 AMAQI
4th Jul 2026281 AMAQI
4th Jul 2026292 AMAQI
4th Jul 2026403 AMAQI
4th Jul 2026284 AMAQI
26°C20/33°C
4th Jul 2026265 AMAQI
4th Jul 2026266 AMAQI
4th Jul 2026277 AMAQI
4th Jul 2026278 AMAQI
4th Jul 2026289 AMAQI
4th Jul 20262410 AMAQI
4th Jul 20262711 AMAQI
4th Jul 20262812 PMAQI
4th Jul 2026241 PMAQI
4th Jul 2026282 PMAQI
4th Jul 2026233 PMAQI
4th Jul 2026254 PMAQI
4th Jul 2026255 PMAQI
4th Jul 2026256 PMAQI
4th Jul 2026257 PMAQI
4th Jul 2026218 PMAQI
4th Jul 2026219 PMAQI
4th Jul 20262010 PMAQI
4th Jul 20262011 PMAQI
5th Jul 20262012 AMAQI
5th Jul 2026221 AMAQI
5th Jul 2026282 AMAQI
5th Jul 2026283 AMAQI
5th Jul 2026284 AMAQI
23°C20/28°C
5th Jul 2026275 AMAQI
5th Jul 2026286 AMAQI
5th Jul 2026247 AMAQI
5th Jul 2026288 AMAQI
5th Jul 2026259 AMAQI
5th Jul 20262810 AMAQI
5th Jul 20263011 AMAQI
5th Jul 20263012 PMAQI
5th Jul 2026291 PMAQI
5th Jul 2026282 PMAQI
5th Jul 2026253 PMAQI
5th Jul 2026284 PMAQI
5th Jul 2026265 PMAQI
5th Jul 2026276 PMAQI
5th Jul 2026277 PMAQI
5th Jul 2026228 PMAQI
5th Jul 2026489 PMAQI
5th Jul 20263810 PMAQI
5th Jul 20262011 PMAQI
6th Jul 20262012 AMAQI
6th Jul 2026241 AMAQI
6th Jul 2026272 AMAQI
6th Jul 2026283 AMAQI
6th Jul 2026224 AMAQI
22°C17/29°C
6th Jul 2026205 AMAQI
6th Jul 2026246 AMAQI
6th Jul 2026287 AMAQI
6th Jul 2026308 AMAQI
6th Jul 2026289 AMAQI
6th Jul 20263010 AMAQI
6th Jul 20263011 AMAQI
6th Jul 20263212 PMAQI
6th Jul 2026311 PMAQI
6th Jul 2026322 PMAQI
6th Jul 2026293 PMAQI
6th Jul 2026304 PMAQI
6th Jul 2026315 PMAQI
6th Jul 2026306 PMAQI
6th Jul 2026317 PMAQI
6th Jul 2026268 PMAQI
6th Jul 2026269 PMAQI
6th Jul 20262510 PMAQI
6th Jul 20262411 PMAQI
7th Jul 20262512 AMAQI
7th Jul 2026271 AMAQI
7th Jul 2026312 AMAQI
7th Jul 2026283 AMAQI
7th Jul 2026534 AMAQI
22°C14/29°C
7th Jul 2026445 AMAQI
7th Jul 2026306 AMAQI
7th Jul 2026307 AMAQI
7th Jul 2026308 AMAQI
7th Jul 2026309 AMAQI
7th Jul 20262810 AMAQI
7th Jul 20263311 AMAQI
7th Jul 20263412 PMAQI
7th Jul 2026321 PMAQI
7th Jul 2026312 PMAQI
7th Jul 2026293 PMAQI
7th Jul 2026324 PMAQI
7th Jul 2026325 PMAQI
7th Jul 2026326 PMAQI
7th Jul 2026317 PMAQI
7th Jul 2026288 PMAQI
7th Jul 2026469 PMAQI
7th Jul 20262610 PMAQI
7th Jul 20262811 PMAQI
8th Jul 20262412 AMAQI
8th Jul 2026261 AMAQI
8th Jul 2026302 AMAQI
8th Jul 2026303 AMAQI
8th Jul 2026264 AMAQI
24°C18/30°C
8th Jul 2026265 AMAQI
8th Jul 2026386 AMAQI
8th Jul 2026227 AMAQI
8th Jul 2026228 AMAQI
8th Jul 2026259 AMAQI
8th Jul 20262810 AMAQI
8th Jul 20263111 AMAQI
8th Jul 20263012 PMAQI
8th Jul 2026321 PMAQI
8th Jul 2026362 PMAQI
8th Jul 2026293 PMAQI
8th Jul 2026374 PMAQI
8th Jul 2026295 PMAQI
8th Jul 2026496 PMAQI
8th Jul 2026277 PMAQI
8th Jul 2026268 PMAQI
8th Jul 2026249 PMAQI
8th Jul 20262410 PMAQI
8th Jul 20264211 PMAQI
9th Jul 20264612 AMAQI
9th Jul 2026241 AMAQI
9th Jul 2026422 AMAQI
9th Jul 2026283 AMAQI
9th Jul 2026324 AMAQI
24°C17/31°C
9th Jul 2026405 AMAQI
9th Jul 2026376 AMAQI
9th Jul 2026287 AMAQI
9th Jul 2026368 AMAQI
9th Jul 2026289 AMAQI
9th Jul 20263210 AMAQI
9th Jul 20263011 AMAQI
9th Jul 20263212 PMAQI
9th Jul 2026311 PMAQI
9th Jul 2026302 PMAQI
9th Jul 2026283 PMAQI
9th Jul 2026314 PMAQI
9th Jul 2026315 PMAQI
9th Jul 2026316 PMAQI
9th Jul 2026307 PMAQI
9th Jul 2026308 PMAQI
9th Jul 2026319 PMAQI
9th Jul 20263510 PMAQI
9th Jul 20263611 PMAQI
10th Jul 20262712 AMAQI
10th Jul 2026241 AMAQI
10th Jul 2026262 AMAQI
10th Jul 2026283 AMAQI
10th Jul 2026324 AMAQI
23°C18/30°C
10th Jul 2026425 AMAQI
10th Jul 2026616 AMAQI
10th Jul 2026317 AMAQI
10th Jul 2026348 AMAQI
10th Jul 2026349 AMAQI
10th Jul 20263610 AMAQI
10th Jul 20263511 AMAQI
10th Jul 20263612 PMAQI
10th Jul 2026351 PMAQI
10th Jul 2026352 PMAQI
10th Jul 2026313 PMAQI
10th Jul 2026334 PMAQI
10th Jul 2026325 PMAQI
10th Jul 2026366 PMAQI
10th Jul 2026367 PMAQI
10th Jul 2026388 PMAQI
10th Jul 2026389 PMAQI
10th Jul 20263110 PMAQI
10th Jul 20263011 PMAQI
11th Jul 20262612 AMAQI
11th Jul 2026261 AMAQI
11th Jul 2026262 AMAQI
11th Jul 2026303 AMAQI
11th Jul 2026324 AMAQI
23°C16/30°C
11th Jul 2026325 AMAQI
11th Jul 2026326 AMAQI
11th Jul 2026287 AMAQI
11th Jul 2026328 AMAQI
11th Jul 2026349 AMAQI
11th Jul 20263310 AMAQI
11th Jul 20263311 AMAQI
11th Jul 20263412 PMAQI
11th Jul 2026341 PMAQI
11th Jul 2026322 PMAQI
11th Jul 2026293 PMAQI
11th Jul 2026324 PMAQI
11th Jul 2026325 PMAQI
11th Jul 2026316 PMAQI
11th Jul 2026317 PMAQI
11th Jul 2026328 PMAQI
11th Jul 2026309 PMAQI
11th Jul 20264010 PMAQI
11th Jul 20264011 PMAQI
12th Jul 20264512 AMAQI
12th Jul 2026461 AMAQI
12th Jul 2026462 AMAQI
12th Jul 2026433 AMAQI
12th Jul 2026454 AMAQI
23°C16/29°C
12th Jul 2026635 AMAQI
12th Jul 2026946 AMAQI
12th Jul 2026867 AMAQI
12th Jul 2026888 AMAQI
12th Jul 2026889 AMAQI
12th Jul 20269210 AMAQI
12th Jul 20269011 AMAQI
12th Jul 20268412 PMAQI
12th Jul 2026681 PMAQI
12th Jul 2026702 PMAQI
12th Jul 2026723 PMAQI
12th Jul 2026724 PMAQI
12th Jul 2026705 PMAQI
12th Jul 2026706 PMAQI
12th Jul 2026687 PMAQI
12th Jul 2026678 PMAQI
12th Jul 2026589 PMAQI
12th Jul 20265610 PMAQI
12th Jul 20265411 PMAQI
13th Jul 20265612 AMAQI
13th Jul 2026471 AMAQI
13th Jul 2026542 AMAQI
13th Jul 2026523 AMAQI
13th Jul 2026504 AMAQI
21°C12/30°C
13th Jul 2026495 AMAQI
13th Jul 2026486 AMAQI
13th Jul 2026507 AMAQI
13th Jul 2026548 AMAQI
13th Jul 2026539 AMAQI
13th Jul 20265210 AMAQI
13th Jul 20265211 AMAQI
13th Jul 20265612 PMAQI
13th Jul 2026521 PMAQI
13th Jul 2026522 PMAQI
13th Jul 2026443 PMAQI
13th Jul 2026444 PMAQI
13th Jul 2026485 PMAQI
13th Jul 2026516 PMAQI
13th Jul 2026507 PMAQI
13th Jul 2026488 PMAQI
13th Jul 2026419 PMAQI
13th Jul 20264010 PMAQI
13th Jul 20263611 PMAQI
14th Jul 20263212 AMAQI
14th Jul 2026271 AMAQI
14th Jul 2026232 AMAQI
14th Jul 2026243 AMAQI
14th Jul 2026304 AMAQI
23°C14/31°C
14th Jul 2026325 AMAQI
14th Jul 2026326 AMAQI
14th Jul 2026327 AMAQI
14th Jul 2026338 AMAQI
14th Jul 2026349 AMAQI
14th Jul 20263410 AMAQI
14th Jul 20263811 AMAQI
14th Jul 20263412 PMAQI
14th Jul 2026331 PMAQI
14th Jul 2026342 PMAQI
14th Jul 2026293 PMAQI
14th Jul 2026364 PMAQI
14th Jul 2026365 PMAQI
14th Jul 2026466 PMAQI
14th Jul 2026597 PMAQI
14th Jul 2026778 PMAQI
14th Jul 2026789 PMAQI
14th Jul 20266710 PMAQI
14th Jul 20267011 PMAQI
15th Jul 20266512 AMAQI
15th Jul 2026621 AMAQI
15th Jul 2026662 AMAQI
15th Jul 2026733 AMAQI
15th Jul 2026814 AMAQI
28°C19/37°C
15th Jul 2026765 AMAQI
15th Jul 2026586 AMAQI
15th Jul 2026477 AMAQI
15th Jul 2026438 AMAQI
15th Jul 2026669 AMAQI
15th Jul 20267810 AMAQI
15th Jul 20267511 AMAQI
15th Jul 20268212 PMAQI
15th Jul 2026831 PMAQI
15th Jul 2026762 PMAQI
15th Jul 2026843 PMAQI
15th Jul 2026684 PMAQI
15th Jul 2026805 PMAQI
15th Jul 2026866 PMAQI
15th Jul 2026927 PMAQI
15th Jul 2026868 PMAQI
15th Jul 2026899 PMAQI
15th Jul 20268610 PMAQI
15th Jul 20268011 PMAQI
16th Jul 20267712 AMAQI
16th Jul 2026821 AMAQI
16th Jul 2026772 AMAQI
16th Jul 2026723 AMAQI
16th Jul 2026764 AMAQI
25°C18/32°C
16th Jul 2026845 AMAQI
16th Jul 2026906 AMAQI
16th Jul 2026847 AMAQI
16th Jul 2026848 AMAQI
16th Jul 2026849 AMAQI
16th Jul 20269010 AMAQI
16th Jul 20268711 AMAQI
16th Jul 20268612 PMAQI
16th Jul 2026841 PMAQI
16th Jul 2026872 PMAQI
16th Jul 2026873 PMAQI
16th Jul 2026864 PMAQI
16th Jul 2026865 PMAQI
16th Jul 2026846 PMAQI
16th Jul 2026787 PMAQI
16th Jul 2026868 PMAQI
16th Jul 2026889 PMAQI
16th Jul 20267310 PMAQI
16th Jul 20267811 PMAQI
17th Jul 20267812 AMAQI
17th Jul 2026791 AMAQI
17th Jul 2026782 AMAQI
17th Jul 2026603 AMAQI
17th Jul 2026704 AMAQI
22°C16/31°C
17th Jul 2026685 AMAQI
17th Jul 2026666 AMAQI
17th Jul 2026687 AMAQI
17th Jul 2026728 AMAQI
17th Jul 2026779 AMAQI
17th Jul 20266210 AMAQI
17th Jul 20264811 AMAQI
17th Jul 20265412 PMAQI
17th Jul 2026481 PMAQI
17th Jul 2026442 PMAQI
17th Jul 2026443 PMAQI
17th Jul 2026464 PMAQI
17th Jul 2026425 PMAQI
17th Jul 2026426 PMAQI
17th Jul 2026327 PMAQI
17th Jul 2026268 PMAQI
17th Jul 2026279 PMAQI
17th Jul 20263810 PMAQI
17th Jul 20262311 PMAQI
18th Jul 20263412 AMAQI
18th Jul 2026411 AMAQI
18th Jul 2026362 AMAQI
18th Jul 2026403 AMAQI
18th Jul 2026404 AMAQI
21°C14/30°C
18th Jul 2026415 AMAQI
18th Jul 2026216 AMAQI
18th Jul 2026347 AMAQI
18th Jul 2026458 AMAQI
18th Jul 2026459 AMAQI
18th Jul 20266810 AMAQI
18th Jul 20266411 AMAQI
18th Jul 20266112 PMAQI
18th Jul 2026711 PMAQI
18th Jul 2026762 PMAQI
18th Jul 2026703 PMAQI
18th Jul 2026544 PMAQI
18th Jul 2026365 PMAQI
18th Jul 2026426 PMAQI
18th Jul 2026787 PMAQI
18th Jul 2026628 PMAQI
18th Jul 2026599 PMAQI
18th Jul 20266410 PMAQI
18th Jul 20266011 PMAQI
19th Jul 20265012 AMAQI
19th Jul 2026481 AMAQI
19th Jul 2026532 AMAQI
19th Jul 2026523 AMAQI
19th Jul 2026524 AMAQI
21°C17/28°C
19th Jul 2026585 AMAQI
19th Jul 2026706 AMAQI
19th Jul 2026587 AMAQI
19th Jul 2026368 AMAQI
19th Jul 2026249 AMAQI
19th Jul 20264810 AMAQI
19th Jul 20262811 AMAQI
19th Jul 20262812 PMAQI
19th Jul 2026291 PMAQI
19th Jul 2026262 PMAQI
19th Jul 2026273 PMAQI
19th Jul 2026284 PMAQI
19th Jul 2026275 PMAQI
19th Jul 2026386 PMAQI
19th Jul 2026247 PMAQI
19th Jul 2026288 PMAQI
19th Jul 2026289 PMAQI
19th Jul 20263310 PMAQI
19th Jul 20263411 PMAQI
20th Jul 20262312 AMAQI
20th Jul 2026361 AMAQI
20th Jul 2026342 AMAQI
20th Jul 2026373 AMAQI
20th Jul 2026404 AMAQI
18°C13/24°C
20th Jul 2026535 AMAQI
20th Jul 2026376 AMAQI
20th Jul 2026707 AMAQI
20th Jul 2026328 AMAQI
20th Jul 2026399 AMAQI
20th Jul 20262810 AMAQI
20th Jul 20262811 AMAQI
20th Jul 20262612 PMAQI
20th Jul 2026281 PMAQI
20th Jul 2026322 PMAQI
20th Jul 2026303 PMAQI
20th Jul 2026244 PMAQI
20th Jul 2026265 PMAQI
20th Jul 2026266 PMAQI
20th Jul 2026287 PMAQI
20th Jul 2026318 PMAQI
20th Jul 2026579 PMAQI
20th Jul 20262710 PMAQI
21st Jul 20263912 AMAQI
21st Jul 2026541 AMAQI
21st Jul 2026262 AMAQI
21st Jul 2026643 AMAQI
21st Jul 2026314 AMAQI
19°C10/27°C
21st Jul 2026505 AMAQI
21st Jul 2026506 AMAQI
21st Jul 2026567 AMAQI
21st Jul 2026558 AMAQI
21st Jul 2026589 AMAQI
21st Jul 20266010 AMAQI
21st Jul 20265611 AMAQI
21st Jul 20265812 PMAQI
21st Jul 2026561 PMAQI
21st Jul 2026562 PMAQI
21st Jul 2026503 PMAQI
21st Jul 2026374 PMAQI
21st Jul 2026265 PMAQI
21st Jul 2026246 PMAQI
21st Jul 2026267 PMAQI
21st Jul 2026248 PMAQI
21st Jul 2026249 PMAQI
21st Jul 20262410 PMAQI
21st Jul 20262611 PMAQI
22nd Jul 20262312 AMAQI
22nd Jul 2026221 AMAQI
22nd Jul 2026242 AMAQI
22nd Jul 2026213 AMAQI
22nd Jul 2026294 AMAQI
20°C16/26°C
22nd Jul 2026295 AMAQI
22nd Jul 2026246 AMAQI
22nd Jul 2026467 AMAQI
22nd Jul 2026428 AMAQI
22nd Jul 2026259 AMAQI
22nd Jul 20262810 AMAQI
22nd Jul 20262611 AMAQI
22nd Jul 20262412 PMAQI
22nd Jul 2026241 PMAQI
22nd Jul 2026202 PMAQI
22nd Jul 2026223 PMAQI
22nd Jul 2026224 PMAQI
22nd Jul 2026225 PMAQI
22nd Jul 2026226 PMAQI
22nd Jul 2026527 PMAQI
22nd Jul 2026248 PMAQI
22nd Jul 2026279 PMAQI
22nd Jul 20262510 PMAQI
22nd Jul 20266311 PMAQI
23rd Jul 20264812 AMAQI
23rd Jul 2026221 AMAQI
23rd Jul 2026402 AMAQI
23rd Jul 2026643 AMAQI
23rd Jul 2026344 AMAQI
17°C13/21°C
23rd Jul 2026265 AMAQI
23rd Jul 2026446 AMAQI
23rd Jul 2026627 AMAQI
23rd Jul 2026538 AMAQI
23rd Jul 2026409 AMAQI
23rd Jul 20262610 AMAQI
23rd Jul 20262611 AMAQI
23rd Jul 20262612 PMAQI
23rd Jul 2026251 PMAQI
23rd Jul 2026252 PMAQI
23rd Jul 2026273 PMAQI
23rd Jul 2026264 PMAQI
23rd Jul 2026265 PMAQI
23rd Jul 2026296 PMAQI
23rd Jul 2026247 PMAQI
23rd Jul 2026248 PMAQI
23rd Jul 2026259 PMAQI
23rd Jul 20262410 PMAQI
23rd Jul 20262411 PMAQI
24th Jul 20262512 AMAQI
24th Jul 2026321 AMAQI
24th Jul 2026252 AMAQI
24th Jul 2026263 AMAQI
24th Jul 2026224 AMAQI
18°C10/27°C
24th Jul 2026285 AMAQI
24th Jul 2026256 AMAQI
24th Jul 2026267 AMAQI
24th Jul 2026308 AMAQI
24th Jul 2026369 AMAQI
24th Jul 20263010 AMAQI
24th Jul 20263311 AMAQI
24th Jul 20263812 PMAQI
24th Jul 2026461 PMAQI
24th Jul 2026272 PMAQI
24th Jul 2026263 PMAQI
24th Jul 2026264 PMAQI
24th Jul 2026255 PMAQI
24th Jul 2026246 PMAQI
24th Jul 2026277 PMAQI
24th Jul 2026258 PMAQI
24th Jul 2026299 PMAQI
24th Jul 20263810 PMAQI
24th Jul 20262111 PMAQI
25th Jul 20262112 AMAQI
25th Jul 2026221 AMAQI
25th Jul 2026242 AMAQI
25th Jul 2026253 AMAQI
25th Jul 2026324 AMAQI
19°C11/28°C
25th Jul 2026235 AMAQI
25th Jul 2026256 AMAQI
25th Jul 2026237 AMAQI
25th Jul 2026258 AMAQI
25th Jul 2026259 AMAQI
25th Jul 20262510 AMAQI
25th Jul 20262511 AMAQI
25th Jul 20263012 PMAQI
25th Jul 2026251 PMAQI
25th Jul 2026252 PMAQI
25th Jul 2026253 PMAQI
25th Jul 2026274 PMAQI
25th Jul 2026255 PMAQI
25th Jul 2026256 PMAQI
25th Jul 2026247 PMAQI
25th Jul 2026258 PMAQI
25th Jul 2026269 PMAQI
25th Jul 20263610 PMAQI
25th Jul 20263111 PMAQI
26th Jul 20263612 AMAQI
26th Jul 2026361 AMAQI
26th Jul 2026382 AMAQI
26th Jul 2026393 AMAQI
26th Jul 2026424 AMAQI
20°C12/29°C
26th Jul 2026415 AMAQI
26th Jul 2026376 AMAQI
26th Jul 2026357 AMAQI
26th Jul 2026348 AMAQI
26th Jul 2026279 AMAQI
26th Jul 20263410 AMAQI
26th Jul 20262511 AMAQI
26th Jul 20262312 PMAQI
26th Jul 2026251 PMAQI
26th Jul 2026232 PMAQI
26th Jul 2026333 PMAQI
26th Jul 2026304 PMAQI
26th Jul 2026305 PMAQI
26th Jul 2026306 PMAQI
26th Jul 2026307 PMAQI
26th Jul 2026308 PMAQI
26th Jul 2026329 PMAQI
26th Jul 20263210 PMAQI
26th Jul 20263411 PMAQI
27th Jul 20263412 AMAQI
27th Jul 2026341 AMAQI
27th Jul 2026342 AMAQI
27th Jul 2026383 AMAQI
27th Jul 2026404 AMAQI
22°C15/29°C
27th Jul 2026385 AMAQI
27th Jul 2026376 AMAQI
27th Jul 2026427 AMAQI
27th Jul 2026368 AMAQI
27th Jul 2026389 AMAQI
27th Jul 20263610 AMAQI
27th Jul 20263411 AMAQI
27th Jul 20263612 PMAQI
27th Jul 2026361 PMAQI
27th Jul 2026362 PMAQI
27th Jul 2026363 PMAQI
27th Jul 2026384 PMAQI
27th Jul 2026465 PMAQI
27th Jul 2026386 PMAQI
27th Jul 2026387 PMAQI
27th Jul 2026408 PMAQI
27th Jul 2026399 PMAQI
27th Jul 20264010 PMAQI
27th Jul 20264011 PMAQI
28th Jul 20264012 AMAQI
28th Jul 2026461 AMAQI
28th Jul 2026392 AMAQI
28th Jul 2026453 AMAQI
28th Jul 2026464 AMAQI
23°C15/30°C
28th Jul 2026505 AMAQI
28th Jul 2026536 AMAQI
28th Jul 2026547 AMAQI
28th Jul 2026548 AMAQI
28th Jul 2026539 AMAQI
28th Jul 20265310 AMAQI
28th Jul 20264511 AMAQI
28th Jul 20264212 PMAQI
28th Jul 2026401 PMAQI
28th Jul 2026422 PMAQI
28th Jul 2026413 PMAQI
28th Jul 2026384 PMAQI
28th Jul 2026365 PMAQI
28th Jul 2026366 PMAQI
28th Jul 2026347 PMAQI
28th Jul 2026328 PMAQI
28th Jul 2026309 PMAQI
28th Jul 20263010 PMAQI
28th Jul 20262511 PMAQI
29th Jul 20262412 AMAQI
29th Jul 2026211 AMAQI
29th Jul 2026212 AMAQI
29th Jul 2026213 AMAQI
29th Jul 2026214 AMAQI
22°C18/26°C
29th Jul 2026255 AMAQI
29th Jul 2026286 AMAQI
29th Jul 2026347 AMAQI
29th Jul 2026298 AMAQI
29th Jul 2026329 AMAQI
29th Jul 20262210 AMAQI
29th Jul 20262111 AMAQI
29th Jul 20262312 PMAQI
29th Jul 2026221 PMAQI
29th Jul 2026212 PMAQI
29th Jul 2026213 PMAQI
29th Jul 2026224 PMAQI
29th Jul 2026225 PMAQI
29th Jul 2026236 PMAQI
29th Jul 2026347 PMAQI
29th Jul 2026218 PMAQI
29th Jul 2026219 PMAQI
29th Jul 20262210 PMAQI
29th Jul 20263411 PMAQI
30th Jul 20262512 AMAQI
30th Jul 2026311 AMAQI
30th Jul 2026292 AMAQI
30th Jul 2026313 AMAQI
30th Jul 2026384 AMAQI
21°C17/26°C
30th Jul 2026275 AMAQI
5 AM30th Jul 2026276 AMAQI
30th Jul 2026247 AMAQI
30th Jul 2026258 AMAQI
30th Jul 2026239 AMAQI
30th Jul 20262710 AMAQI
30th Jul 20262511 AMAQI
30th Jul 20262512 PMAQI
12 PM30th Jul 2026251 PMAQI
30th Jul 2026272 PMAQI
30th Jul 2026273 PMAQI
30th Jul 2026254 PMAQI
30th Jul 2026305 PMAQI
30th Jul 2026256 PMAQI
30th Jul 2026257 PMAQI
30th Jul 2026258 PMAQI
8 PM30th Jul 2026299 PMAQI
30th Jul 20262910 PMAQI
30th Jul 20263111 PMAQI
12 AM
4 AM
22°C17/29°C
Day time
Avg. Highest Time
5 AM - 10 AM
41AQI
6 hours / Day
180 hours / Month
Avg. Lowest Time
11 AM - 6 PM
38AQI
8 hours / Day
240 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 5 AM to 10 AM (Avg. 41), while the lowest AQI was between 11 AM to 6 PM (Avg. 38).
Night time
Avg. Highest Time
3 AM - 9 PM
40AQI
3 hours / Day
90 hours / Month
Avg. Lowest Time
12 AM - 2 AM
37AQI
3 hours / Day
90 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 3 AM to 9 PM (Avg. 40), while the lowest AQI was between 12 AM to 2 AM (Avg. 37).
2026 Days Vs Air Quality
Peterborough, Ontario, Canada
2026
90%
187
10%
21
Total number of days with different AQI categories in last 211 days in 2026 (154 days remaining)
Good
187 DaysModerate
21 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 211 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
Peterborough, 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
8AQI (US)
8AQI (US)
2nd January 2026
8AQI (US)
8AQI (US)
3rd January 2026
9AQI (US)
9AQI (US)
4th January 2026
30AQI (US)
30AQI (US)
5th January 2026
44AQI (US)
44AQI (US)
6th January 2026
67AQI (US)
67AQI (US)
7th January 2026
53AQI (US)
53AQI (US)
8th January 2026
42AQI (US)
42AQI (US)
9th January 2026
30AQI (US)
30AQI (US)
10th January 2026
12AQI (US)
12AQI (US)
11th January 2026
14AQI (US)
14AQI (US)
12th January 2026
26AQI (US)
26AQI (US)
13th January 2026
42AQI (US)
42AQI (US)
14th January 2026
33AQI (US)
33AQI (US)
15th January 2026
11AQI (US)
11AQI (US)
16th January 2026
12AQI (US)
12AQI (US)
17th January 2026
30AQI (US)
30AQI (US)
18th January 2026
28AQI (US)
28AQI (US)
19th January 2026
32AQI (US)
32AQI (US)
20th January 2026
10AQI (US)
10AQI (US)
21st January 2026
24AQI (US)
24AQI (US)
22nd January 2026
58AQI (US)
58AQI (US)
23rd January 2026
61AQI (US)
61AQI (US)
24th January 2026
48AQI (US)
48AQI (US)
25th January 2026
51AQI (US)
51AQI (US)
26th January 2026
48AQI (US)
48AQI (US)
27th January 2026
40AQI (US)
40AQI (US)
28th January 2026
44AQI (US)
44AQI (US)
29th January 2026
50AQI (US)
50AQI (US)
30th January 2026
58AQI (US)
58AQI (US)
31st January 2026
46AQI (US)
46AQI (US)
1st February 2026
48AQI (US)
48AQI (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
52AQI (US)
52AQI (US)
6th February 2026
51AQI (US)
51AQI (US)
7th February 2026
40AQI (US)
40AQI (US)
8th February 2026
44AQI (US)
44AQI (US)
9th February 2026
49AQI (US)
49AQI (US)
10th February 2026
46AQI (US)
46AQI (US)
11th February 2026
40AQI (US)
40AQI (US)
12th February 2026
40AQI (US)
40AQI (US)
13th February 2026
48AQI (US)
48AQI (US)
14th February 2026
51AQI (US)
51AQI (US)
15th February 2026
44AQI (US)
44AQI (US)
16th February 2026
48AQI (US)
48AQI (US)
17th February 2026
52AQI (US)
52AQI (US)
18th February 2026
44AQI (US)
44AQI (US)
19th February 2026
42AQI (US)
42AQI (US)
20th February 2026
40AQI (US)
40AQI (US)
21st February 2026
36AQI (US)
36AQI (US)
22nd February 2026
36AQI (US)
36AQI (US)
23rd February 2026
40AQI (US)
40AQI (US)
24th February 2026
46AQI (US)
46AQI (US)
25th February 2026
48AQI (US)
48AQI (US)
26th February 2026
37AQI (US)
37AQI (US)
27th February 2026
40AQI (US)
40AQI (US)
28th February 2026
40AQI (US)
40AQI (US)
1st March 2026
40AQI (US)
40AQI (US)
2nd March 2026
62AQI (US)
62AQI (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
36AQI (US)
36AQI (US)
7th March 2026
44AQI (US)
44AQI (US)
8th March 2026
44AQI (US)
44AQI (US)
9th March 2026
40AQI (US)
40AQI (US)
10th March 2026
36AQI (US)
36AQI (US)
11th March 2026
46AQI (US)
46AQI (US)
12th March 2026
42AQI (US)
42AQI (US)
13th March 2026
44AQI (US)
44AQI (US)
14th March 2026
36AQI (US)
36AQI (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
34AQI (US)
34AQI (US)
19th March 2026
39AQI (US)
39AQI (US)
20th March 2026
46AQI (US)
46AQI (US)
21st March 2026
42AQI (US)
42AQI (US)
22nd March 2026
38AQI (US)
38AQI (US)
23rd March 2026
42AQI (US)
42AQI (US)
24th March 2026
37AQI (US)
37AQI (US)
25th March 2026
34AQI (US)
34AQI (US)
26th March 2026
38AQI (US)
38AQI (US)
27th March 2026
28AQI (US)
28AQI (US)
28th March 2026
31AQI (US)
31AQI (US)
29th March 2026
30AQI (US)
30AQI (US)
30th March 2026
28AQI (US)
28AQI (US)
31st March 2026
29AQI (US)
29AQI (US)
1st April 2026
31AQI (US)
31AQI (US)
2nd April 2026
30AQI (US)
30AQI (US)
3rd April 2026
30AQI (US)
30AQI (US)
4th April 2026
32AQI (US)
32AQI (US)
5th April 2026
30AQI (US)
30AQI (US)
6th April 2026
32AQI (US)
32AQI (US)
7th April 2026
28AQI (US)
28AQI (US)
8th April 2026
34AQI (US)
34AQI (US)
9th April 2026
30AQI (US)
30AQI (US)
10th April 2026
31AQI (US)
31AQI (US)
11th April 2026
31AQI (US)
31AQI (US)
12th April 2026
30AQI (US)
30AQI (US)
13th April 2026
33AQI (US)
33AQI (US)
14th April 2026
38AQI (US)
38AQI (US)
15th April 2026
36AQI (US)
36AQI (US)
16th April 2026
32AQI (US)
32AQI (US)
17th April 2026
18th April 2026
29AQI (US)
29AQI (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
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
26AQI (US)
26AQI (US)
29th April 2026
24AQI (US)
24AQI (US)
30th April 2026
26AQI (US)
26AQI (US)
1st May 2026
26AQI (US)
26AQI (US)
2nd May 2026
24AQI (US)
24AQI (US)
3rd May 2026
23AQI (US)
23AQI (US)
4th May 2026
36AQI (US)
36AQI (US)
5th May 2026
37AQI (US)
37AQI (US)
6th May 2026
30AQI (US)
30AQI (US)
7th May 2026
26AQI (US)
26AQI (US)
8th May 2026
28AQI (US)
28AQI (US)
9th May 2026
10th May 2026
32AQI (US)
32AQI (US)
11th May 2026
28AQI (US)
28AQI (US)
12th May 2026
26AQI (US)
26AQI (US)
13th May 2026
36AQI (US)
36AQI (US)
14th May 2026
22AQI (US)
22AQI (US)
15th May 2026
44AQI (US)
44AQI (US)
16th May 2026
49AQI (US)
49AQI (US)
17th May 2026
77AQI (US)
77AQI (US)
18th May 2026
60AQI (US)
60AQI (US)
19th May 2026
46AQI (US)
46AQI (US)
20th May 2026
51AQI (US)
51AQI (US)
21st May 2026
44AQI (US)
44AQI (US)
22nd May 2026
44AQI (US)
44AQI (US)
23rd May 2026
50AQI (US)
50AQI (US)
24th May 2026
43AQI (US)
43AQI (US)
25th May 2026
46AQI (US)
46AQI (US)
26th May 2026
38AQI (US)
38AQI (US)
27th May 2026
28AQI (US)
28AQI (US)
28th May 2026
28AQI (US)
28AQI (US)
29th May 2026
26AQI (US)
26AQI (US)
30th May 2026
28AQI (US)
28AQI (US)
31st May 2026
30AQI (US)
30AQI (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
29AQI (US)
29AQI (US)
5th June 2026
27AQI (US)
27AQI (US)
6th June 2026
26AQI (US)
26AQI (US)
7th June 2026
24AQI (US)
24AQI (US)
8th June 2026
27AQI (US)
27AQI (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
26AQI (US)
26AQI (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
28AQI (US)
28AQI (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
24AQI (US)
24AQI (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
33AQI (US)
33AQI (US)
26th June 2026
30AQI (US)
30AQI (US)
27th June 2026
32AQI (US)
32AQI (US)
28th June 2026
38AQI (US)
38AQI (US)
29th June 2026
34AQI (US)
34AQI (US)
30th June 2026
27AQI (US)
27AQI (US)
1st July 2026
30AQI (US)
30AQI (US)
2nd July 2026
54AQI (US)
54AQI (US)
3rd July 2026
29AQI (US)
29AQI (US)
4th July 2026
26AQI (US)
26AQI (US)
5th July 2026
28AQI (US)
28AQI (US)
6th July 2026
28AQI (US)
28AQI (US)
7th July 2026
32AQI (US)
32AQI (US)
8th July 2026
30AQI (US)
30AQI (US)
9th July 2026
32AQI (US)
32AQI (US)
10th July 2026
34AQI (US)
34AQI (US)
11th July 2026
32AQI (US)
32AQI (US)
12th July 2026
68AQI (US)
68AQI (US)
13th July 2026
49AQI (US)
49AQI (US)
14th July 2026
40AQI (US)
40AQI (US)
15th July 2026
74AQI (US)
74AQI (US)
16th July 2026
83AQI (US)
83AQI (US)
17th July 2026
54AQI (US)
54AQI (US)
18th July 2026
52AQI (US)
52AQI (US)
19th July 2026
38AQI (US)
38AQI (US)
20th July 2026
34AQI (US)
34AQI (US)
21st July 2026
42AQI (US)
42AQI (US)
22nd July 2026
28AQI (US)
28AQI (US)
23rd July 2026
33AQI (US)
33AQI (US)
24th July 2026
28AQI (US)
28AQI (US)
25th July 2026
26AQI (US)
26AQI (US)
26th July 2026
32AQI (US)
32AQI (US)
27th July 2026
38AQI (US)
38AQI (US)
28th July 2026
42AQI (US)
42AQI (US)
29th July 2026
24AQI (US)
24AQI (US)
30th July 2026
27AQI (US)
27AQI (US)
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
34AQI (US)
45AQI (US)
39AQI (US)
30AQI (US)
37AQI (US)
28AQI (US)
39AQI (US)
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202636AQI (US)
25
6
23
5
30
1
28
27
3
30
24
6
187
21
Highest AQI (US) recorded in
February45AQI (US)
Lowest AQI (US) recorded in
June28AQI (US)
202531AQI (US)
30
1
25
3
30
1
30
31
19
11
24
7
18
11
2
30
29
2
30
24
7
320
43
2
Highest AQI (US) recorded in
August46AQI (US)
Lowest AQI (US) recorded in
May20AQI (US)
202429AQI (US)
29
1
27
2
30
1
30
31
29
29
2
25
6
29
1
31
30
30
1
350
14
Highest AQI (US) recorded in
February34AQI (US)
Lowest AQI (US) recorded in
November18AQI (US)
202337AQI (US)
31
26
2
31
26
4
30
1
11
13
5
1
23
7
1
23
8
28
2
29
2
27
2
26
5
311
46
6
1
Highest AQI (US) recorded in
June71AQI (US)
Lowest AQI (US) recorded in
October28AQI (US)
202233AQI (US)
28
2
20
1
29
2
17
25
4
26
4
18
2
1
26
3
29
2
27
3
30
1
276
24
Highest AQI (US) recorded in
May37AQI (US)
Lowest AQI (US) recorded in
August21AQI (US)
202133AQI (US)
24
5
27
1
28
3
30
28
3
24
6
24
7
24
7
27
3
30
1
28
2
29
2
323
40
Highest AQI (US) recorded in
August40AQI (US)
Lowest AQI (US) recorded in
October25AQI (US)
202030AQI (US)
13
20
16
2
27
3
26
3
28
3
29
1
30
1
26
4
27
4
242
21
Highest AQI (US) recorded in
May36AQI (US)
Lowest AQI (US) recorded in
October22AQI (US)
Most & Least Polluted Years Over the Last 7 Years
Most Polluted Year Recorded
2023(Avg.)
37AQI (US)Least Polluted Year Recorded
2024(Avg.)
29AQI (US)Peterborough's annual 2026 AQI (US) (36) shows an average percentage change of 12.6% (worsened AQI (US)) compared to previous years: 2020 (30), 2021 (33), 2022 (33), 2023 (37), 2024 (29), 2025 (31).
