St Johns, Mount Pearl Park, Newfoundland And Labrador, 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
St Johns, Mount Pearl Park, Newfoundland And Labrador, Canada
2021
2022
2023
2024
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
12th Aug 2021
50AQILowest AQI recorded on
31st Aug 2023
14AQISame Day Analysis (1st August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 3rd highest AQI at 32 of Good air quality, showing improvement over 2023 and 2022 on the same day.
Download 2024 Annual Data
World Air Quality Report
Day & Night AQI Trend: 1st Aug - 2nd Aug 2025
St Johns, Mount Pearl Park, Newfoundland And Labrador, Canada
AQI
Day
Night
.
5 AM1st Aug 2025
8 PM
4 AM2nd Aug 2025
Day time
Avg. Highest Time
8PM1st Aug
52AQI
Avg. Lowest Time
10AM1st Aug
22AQI
Night time
Avg. Highest Time
11PM1st Aug
49AQI
Avg. Lowest Time
9PM1st Aug
33AQI
In the last 24 hours,
St Johns's AQI reached its highest point of 52 at 8 PM during the Day, while the lowest point, 22, was recorded at 10 AM during the Day between 1st Aug and 2nd Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
St Johns, Mount Pearl Park, Newfoundland And Labrador, Canada
JulAug
03rd - 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 - 31st31st - 01st01st - 02nd02nd
Day
Night
3rd Jul 2025175 AMAQI
3rd Jul 2025206 AMAQI
3rd Jul 2025187 AMAQI
3rd Jul 2025168 AMAQI
3rd Jul 2025179 AMAQI
3rd Jul 20252210 AMAQI
3rd Jul 20251511 AMAQI
3rd Jul 20251812 PMAQI
3rd Jul 2025201 PMAQI
3rd Jul 2025202 PMAQI
3rd Jul 2025283 PMAQI
3rd Jul 2025184 PMAQI
3rd Jul 2025215 PMAQI
3rd Jul 2025206 PMAQI
3rd Jul 2025187 PMAQI
3rd Jul 2025178 PMAQI
3rd Jul 2025179 PMAQI
3rd Jul 20252310 PMAQI
3rd Jul 20252111 PMAQI
4th Jul 20252312 AMAQI
4th Jul 2025201 AMAQI
4th Jul 2025172 AMAQI
4th Jul 2025213 AMAQI
4th Jul 2025204 AMAQI
19°C15/25°C
4th Jul 2025185 AMAQI
4th Jul 2025206 AMAQI
4th Jul 2025207 AMAQI
4th Jul 2025208 AMAQI
4th Jul 2025309 AMAQI
4th Jul 20252210 AMAQI
4th Jul 20252411 AMAQI
4th Jul 20252312 PMAQI
4th Jul 2025221 PMAQI
4th Jul 2025222 PMAQI
4th Jul 2025243 PMAQI
4th Jul 2025214 PMAQI
4th Jul 2025245 PMAQI
4th Jul 2025246 PMAQI
4th Jul 2025247 PMAQI
4th Jul 2025228 PMAQI
4th Jul 2025199 PMAQI
4th Jul 20252910 PMAQI
4th Jul 20252011 PMAQI
5th Jul 20251912 AMAQI
5th Jul 2025201 AMAQI
5th Jul 2025222 AMAQI
5th Jul 2025253 AMAQI
5th Jul 2025404 AMAQI
17°C15/20°C
5th Jul 2025315 AMAQI
5th Jul 2025196 AMAQI
5th Jul 2025177 AMAQI
5th Jul 2025228 AMAQI
5th Jul 2025249 AMAQI
5th Jul 20251910 AMAQI
5th Jul 20252211 AMAQI
5th Jul 20251912 PMAQI
5th Jul 2025221 PMAQI
5th Jul 2025222 PMAQI
5th Jul 2025223 PMAQI
5th Jul 2025224 PMAQI
5th Jul 2025225 PMAQI
5th Jul 2025256 PMAQI
5th Jul 2025227 PMAQI
5th Jul 2025238 PMAQI
5th Jul 2025179 PMAQI
5th Jul 20251210 PMAQI
5th Jul 20252211 PMAQI
6th Jul 20252412 AMAQI
6th Jul 2025231 AMAQI
6th Jul 2025202 AMAQI
6th Jul 2025213 AMAQI
6th Jul 2025214 AMAQI
17°C13/21°C
6th Jul 2025265 AMAQI
6th Jul 2025226 AMAQI
6th Jul 2025367 AMAQI
6th Jul 2025248 AMAQI
6th Jul 2025239 AMAQI
6th Jul 20252210 AMAQI
6th Jul 20252311 AMAQI
6th Jul 20252612 PMAQI
6th Jul 2025201 PMAQI
6th Jul 2025212 PMAQI
6th Jul 2025173 PMAQI
6th Jul 2025224 PMAQI
6th Jul 2025215 PMAQI
6th Jul 2025216 PMAQI
6th Jul 2025237 PMAQI
6th Jul 2025228 PMAQI
6th Jul 2025189 PMAQI
6th Jul 20252010 PMAQI
6th Jul 20253011 PMAQI
7th Jul 20253612 AMAQI
7th Jul 2025271 AMAQI
7th Jul 2025362 AMAQI
7th Jul 2025343 AMAQI
7th Jul 2025344 AMAQI
15°C11/21°C
7th Jul 2025405 AMAQI
7th Jul 2025446 AMAQI
7th Jul 2025307 AMAQI
7th Jul 2025328 AMAQI
7th Jul 2025329 AMAQI
7th Jul 20253010 AMAQI
7th Jul 20253011 AMAQI
7th Jul 20252612 PMAQI
7th Jul 2025281 PMAQI
7th Jul 2025282 PMAQI
7th Jul 2025283 PMAQI
7th Jul 2025294 PMAQI
7th Jul 2025325 PMAQI
7th Jul 2025306 PMAQI
7th Jul 2025347 PMAQI
7th Jul 2025348 PMAQI
7th Jul 2025289 PMAQI
7th Jul 20252310 PMAQI
7th Jul 20252611 PMAQI
8th Jul 20252612 AMAQI
8th Jul 2025311 AMAQI
8th Jul 2025262 AMAQI
8th Jul 2025383 AMAQI
8th Jul 2025344 AMAQI
15°C12/20°C
8th Jul 2025325 AMAQI
8th Jul 2025426 AMAQI
8th Jul 2025287 AMAQI
8th Jul 2025368 AMAQI
8th Jul 2025369 AMAQI
8th Jul 20253210 AMAQI
8th Jul 20253111 AMAQI
8th Jul 20253212 PMAQI
8th Jul 2025321 PMAQI
8th Jul 2025322 PMAQI
8th Jul 2025293 PMAQI
8th Jul 2025344 PMAQI
8th Jul 2025305 PMAQI
8th Jul 2025236 PMAQI
8th Jul 2025297 PMAQI
8th Jul 2025268 PMAQI
8th Jul 2025389 PMAQI
8th Jul 20252910 PMAQI
8th Jul 20253611 PMAQI
9th Jul 20252612 AMAQI
9th Jul 2025311 AMAQI
9th Jul 2025342 AMAQI
9th Jul 2025343 AMAQI
9th Jul 2025264 AMAQI
15°C12/18°C
9th Jul 2025345 AMAQI
9th Jul 2025386 AMAQI
9th Jul 2025247 AMAQI
9th Jul 2025288 AMAQI
9th Jul 2025279 AMAQI
9th Jul 20253110 AMAQI
9th Jul 20252311 AMAQI
9th Jul 20253212 PMAQI
9th Jul 2025241 PMAQI
9th Jul 2025282 PMAQI
9th Jul 2025263 PMAQI
9th Jul 2025294 PMAQI
9th Jul 2025355 PMAQI
9th Jul 2025336 PMAQI
9th Jul 2025287 PMAQI
9th Jul 2025308 PMAQI
9th Jul 2025239 PMAQI
9th Jul 20252810 PMAQI
9th Jul 20252611 PMAQI
10th Jul 20252412 AMAQI
10th Jul 2025261 AMAQI
10th Jul 2025272 AMAQI
10th Jul 2025263 AMAQI
10th Jul 2025194 AMAQI
13°C10/16°C
10th Jul 2025245 AMAQI
10th Jul 2025286 AMAQI
10th Jul 2025307 AMAQI
10th Jul 2025228 AMAQI
10th Jul 2025289 AMAQI
10th Jul 20252810 AMAQI
10th Jul 20252611 AMAQI
10th Jul 20252812 PMAQI
10th Jul 2025311 PMAQI
10th Jul 2025282 PMAQI
10th Jul 2025343 PMAQI
10th Jul 2025254 PMAQI
10th Jul 2025305 PMAQI
10th Jul 2025286 PMAQI
10th Jul 2025297 PMAQI
10th Jul 2025308 PMAQI
10th Jul 2025319 PMAQI
10th Jul 20253010 PMAQI
10th Jul 20253111 PMAQI
11th Jul 20253112 AMAQI
11th Jul 2025321 AMAQI
11th Jul 2025312 AMAQI
11th Jul 2025363 AMAQI
11th Jul 2025444 AMAQI
16°C12/20°C
11th Jul 2025415 AMAQI
11th Jul 2025546 AMAQI
11th Jul 2025567 AMAQI
11th Jul 2025468 AMAQI
11th Jul 2025469 AMAQI
11th Jul 20254410 AMAQI
11th Jul 20253611 AMAQI
11th Jul 20253212 PMAQI
11th Jul 2025341 PMAQI
11th Jul 2025342 PMAQI
11th Jul 2025333 PMAQI
11th Jul 2025384 PMAQI
11th Jul 2025415 PMAQI
11th Jul 2025486 PMAQI
11th Jul 2025447 PMAQI
11th Jul 2025488 PMAQI
11th Jul 2025449 PMAQI
11th Jul 20254910 PMAQI
11th Jul 20254411 PMAQI
12th Jul 20254612 AMAQI
12th Jul 2025411 AMAQI
12th Jul 2025522 AMAQI
12th Jul 2025583 AMAQI
12th Jul 2025544 AMAQI
15°C11/20°C
12th Jul 2025545 AMAQI
12th Jul 2025626 AMAQI
12th Jul 2025537 AMAQI
12th Jul 2025558 AMAQI
12th Jul 2025569 AMAQI
12th Jul 20255010 AMAQI
12th Jul 20255311 AMAQI
12th Jul 20255612 PMAQI
12th Jul 2025541 PMAQI
12th Jul 2025562 PMAQI
12th Jul 2025453 PMAQI
12th Jul 2025424 PMAQI
12th Jul 2025425 PMAQI
12th Jul 2025526 PMAQI
12th Jul 2025487 PMAQI
12th Jul 2025468 PMAQI
12th Jul 2025489 PMAQI
12th Jul 20255210 PMAQI
12th Jul 20255711 PMAQI
13th Jul 20255612 AMAQI
13th Jul 2025521 AMAQI
13th Jul 2025562 AMAQI
13th Jul 2025573 AMAQI
13th Jul 2025624 AMAQI
11°C10/11°C
13th Jul 2025655 AMAQI
13th Jul 2025576 AMAQI
13th Jul 2025637 AMAQI
13th Jul 2025598 AMAQI
13th Jul 2025519 AMAQI
13th Jul 20254910 AMAQI
13th Jul 20256411 AMAQI
13th Jul 20255712 PMAQI
13th Jul 2025601 PMAQI
13th Jul 2025562 PMAQI
13th Jul 2025663 PMAQI
13th Jul 2025614 PMAQI
13th Jul 2025655 PMAQI
13th Jul 2025666 PMAQI
13th Jul 2025667 PMAQI
13th Jul 2025688 PMAQI
13th Jul 2025599 PMAQI
13th Jul 20255910 PMAQI
13th Jul 20256011 PMAQI
14th Jul 20255812 AMAQI
14th Jul 2025561 AMAQI
14th Jul 2025592 AMAQI
14th Jul 2025563 AMAQI
14th Jul 2025584 AMAQI
16°C10/20°C
14th Jul 2025505 AMAQI
14th Jul 2025446 AMAQI
14th Jul 2025427 AMAQI
14th Jul 2025448 AMAQI
14th Jul 2025409 AMAQI
14th Jul 20254410 AMAQI
14th Jul 20254811 AMAQI
14th Jul 20254212 PMAQI
14th Jul 2025411 PMAQI
14th Jul 2025402 PMAQI
14th Jul 2025443 PMAQI
14th Jul 2025424 PMAQI
14th Jul 2025455 PMAQI
14th Jul 2025426 PMAQI
14th Jul 2025497 PMAQI
14th Jul 2025518 PMAQI
14th Jul 2025439 PMAQI
14th Jul 20254010 PMAQI
14th Jul 20253311 PMAQI
15th Jul 20253112 AMAQI
15th Jul 2025381 AMAQI
15th Jul 2025412 AMAQI
15th Jul 2025363 AMAQI
15th Jul 2025354 AMAQI
20°C15/25°C
15th Jul 2025455 AMAQI
15th Jul 2025386 AMAQI
15th Jul 2025347 AMAQI
15th Jul 2025328 AMAQI
15th Jul 2025319 AMAQI
15th Jul 20253610 AMAQI
15th Jul 20254011 AMAQI
15th Jul 20253412 PMAQI
15th Jul 2025321 PMAQI
15th Jul 2025322 PMAQI
15th Jul 2025313 PMAQI
15th Jul 2025364 PMAQI
15th Jul 2025355 PMAQI
15th Jul 2025396 PMAQI
15th Jul 2025457 PMAQI
15th Jul 2025498 PMAQI
15th Jul 2025449 PMAQI
15th Jul 20253910 PMAQI
15th Jul 20253711 PMAQI
16th Jul 20253812 AMAQI
16th Jul 2025371 AMAQI
16th Jul 2025392 AMAQI
16th Jul 2025483 AMAQI
16th Jul 2025484 AMAQI
18°C15/22°C
16th Jul 2025505 AMAQI
16th Jul 2025496 AMAQI
16th Jul 2025487 AMAQI
16th Jul 2025498 AMAQI
16th Jul 2025529 AMAQI
16th Jul 20255610 AMAQI
16th Jul 20255611 AMAQI
16th Jul 20255612 PMAQI
16th Jul 2025561 PMAQI
16th Jul 2025542 PMAQI
16th Jul 2025583 PMAQI
16th Jul 2025584 PMAQI
16th Jul 2025535 PMAQI
16th Jul 2025506 PMAQI
16th Jul 2025507 PMAQI
16th Jul 2025528 PMAQI
16th Jul 2025489 PMAQI
16th Jul 20254810 PMAQI
16th Jul 20254911 PMAQI
17th Jul 20255012 AMAQI
17th Jul 2025501 AMAQI
17th Jul 2025492 AMAQI
17th Jul 2025493 AMAQI
17th Jul 2025524 AMAQI
17°C13/21°C
17th Jul 2025465 AMAQI
17th Jul 2025456 AMAQI
17th Jul 2025427 AMAQI
17th Jul 2025438 AMAQI
17th Jul 2025489 AMAQI
17th Jul 20254810 AMAQI
17th Jul 20254711 AMAQI
17th Jul 20254512 PMAQI
17th Jul 2025461 PMAQI
17th Jul 2025472 PMAQI
17th Jul 2025453 PMAQI
17th Jul 2025464 PMAQI
17th Jul 2025455 PMAQI
17th Jul 2025386 PMAQI
17th Jul 2025387 PMAQI
17th Jul 2025428 PMAQI
17th Jul 2025419 PMAQI
17th Jul 20254010 PMAQI
17th Jul 20253811 PMAQI
18th Jul 20253812 AMAQI
18th Jul 2025361 AMAQI
18th Jul 2025392 AMAQI
18th Jul 2025423 AMAQI
18th Jul 2025334 AMAQI
21°C15/27°C
18th Jul 2025345 AMAQI
18th Jul 2025346 AMAQI
18th Jul 2025347 AMAQI
18th Jul 2025308 AMAQI
18th Jul 2025279 AMAQI
18th Jul 20252610 AMAQI
18th Jul 20252811 AMAQI
18th Jul 20252812 PMAQI
18th Jul 2025301 PMAQI
18th Jul 2025302 PMAQI
18th Jul 2025323 PMAQI
18th Jul 2025344 PMAQI
18th Jul 2025355 PMAQI
18th Jul 2025346 PMAQI
18th Jul 2025337 PMAQI
18th Jul 2025348 PMAQI
18th Jul 2025259 PMAQI
18th Jul 20252610 PMAQI
18th Jul 20253111 PMAQI
19th Jul 20253112 AMAQI
19th Jul 2025331 AMAQI
19th Jul 2025362 AMAQI
19th Jul 2025273 AMAQI
19th Jul 2025324 AMAQI
21°C17/24°C
19th Jul 2025265 AMAQI
19th Jul 2025266 AMAQI
19th Jul 2025347 AMAQI
19th Jul 2025378 AMAQI
19th Jul 2025329 AMAQI
19th Jul 20253610 AMAQI
19th Jul 20253611 AMAQI
19th Jul 20253012 PMAQI
19th Jul 2025331 PMAQI
19th Jul 2025302 PMAQI
19th Jul 2025323 PMAQI
19th Jul 2025344 PMAQI
19th Jul 2025335 PMAQI
19th Jul 2025346 PMAQI
19th Jul 2025367 PMAQI
19th Jul 2025368 PMAQI
19th Jul 2025349 PMAQI
19th Jul 20253010 PMAQI
19th Jul 20253611 PMAQI
20th Jul 20253512 AMAQI
20th Jul 2025331 AMAQI
20th Jul 2025332 AMAQI
20th Jul 2025383 AMAQI
20th Jul 2025444 AMAQI
18°C14/23°C
20th Jul 2025465 AMAQI
20th Jul 2025356 AMAQI
20th Jul 2025367 AMAQI
20th Jul 2025418 AMAQI
20th Jul 2025529 AMAQI
20th Jul 20255010 AMAQI
20th Jul 20255211 AMAQI
20th Jul 20255212 PMAQI
20th Jul 2025601 PMAQI
20th Jul 2025452 PMAQI
20th Jul 2025533 PMAQI
20th Jul 2025514 PMAQI
20th Jul 2025425 PMAQI
20th Jul 2025406 PMAQI
20th Jul 2025417 PMAQI
20th Jul 2025368 PMAQI
20th Jul 2025439 PMAQI
20th Jul 20254110 PMAQI
20th Jul 20253411 PMAQI
21st Jul 20253412 AMAQI
21st Jul 2025341 AMAQI
21st Jul 2025342 AMAQI
21st Jul 2025343 AMAQI
21st Jul 2025304 AMAQI
18°C14/23°C
21st Jul 2025275 AMAQI
21st Jul 2025286 AMAQI
21st Jul 2025297 AMAQI
21st Jul 2025298 AMAQI
21st Jul 2025349 AMAQI
21st Jul 20253210 AMAQI
21st Jul 20253011 AMAQI
21st Jul 20252912 PMAQI
21st Jul 2025251 PMAQI
21st Jul 2025222 PMAQI
21st Jul 2025253 PMAQI
21st Jul 2025214 PMAQI
21st Jul 2025245 PMAQI
21st Jul 2025246 PMAQI
21st Jul 2025237 PMAQI
21st Jul 2025248 PMAQI
21st Jul 2025259 PMAQI
21st Jul 20252410 PMAQI
21st Jul 20252111 PMAQI
22nd Jul 20252012 AMAQI
22nd Jul 2025191 AMAQI
22nd Jul 2025172 AMAQI
22nd Jul 2025143 AMAQI
22nd Jul 2025184 AMAQI
15°C13/17°C
22nd Jul 2025145 AMAQI
22nd Jul 2025186 AMAQI
22nd Jul 2025177 AMAQI
22nd Jul 2025278 AMAQI
22nd Jul 2025249 AMAQI
22nd Jul 20252110 AMAQI
22nd Jul 20251811 AMAQI
22nd Jul 20252012 PMAQI
22nd Jul 2025181 PMAQI
22nd Jul 2025162 PMAQI
22nd Jul 2025183 PMAQI
22nd Jul 2025184 PMAQI
22nd Jul 2025225 PMAQI
22nd Jul 2025236 PMAQI
22nd Jul 2025237 PMAQI
22nd Jul 2025248 PMAQI
22nd Jul 2025199 PMAQI
22nd Jul 20251810 PMAQI
22nd Jul 20251911 PMAQI
23rd Jul 20251812 AMAQI
23rd Jul 2025171 AMAQI
23rd Jul 2025192 AMAQI
23rd Jul 2025153 AMAQI
23rd Jul 2025184 AMAQI
12°C8/15°C
23rd Jul 2025185 AMAQI
23rd Jul 2025236 AMAQI
23rd Jul 2025227 AMAQI
23rd Jul 2025228 AMAQI
23rd Jul 2025229 AMAQI
23rd Jul 20252410 AMAQI
23rd Jul 20251911 AMAQI
23rd Jul 20252012 PMAQI
23rd Jul 2025221 PMAQI
23rd Jul 2025212 PMAQI
23rd Jul 2025213 PMAQI
23rd Jul 2025224 PMAQI
23rd Jul 2025225 PMAQI
23rd Jul 2025236 PMAQI
23rd Jul 2025247 PMAQI
23rd Jul 2025248 PMAQI
23rd Jul 2025249 PMAQI
23rd Jul 20252310 PMAQI
23rd Jul 20252611 PMAQI
24th Jul 20252712 AMAQI
24th Jul 2025271 AMAQI
24th Jul 2025262 AMAQI
24th Jul 2025283 AMAQI
24th Jul 2025304 AMAQI
14°C10/18°C
24th Jul 2025315 AMAQI
24th Jul 2025346 AMAQI
24th Jul 2025357 AMAQI
24th Jul 2025328 AMAQI
24th Jul 2025309 AMAQI
24th Jul 20252910 AMAQI
24th Jul 20252811 AMAQI
24th Jul 20252812 PMAQI
24th Jul 2025291 PMAQI
24th Jul 2025292 PMAQI
24th Jul 2025283 PMAQI
24th Jul 2025304 PMAQI
24th Jul 2025335 PMAQI
24th Jul 2025356 PMAQI
24th Jul 2025467 PMAQI
24th Jul 2025488 PMAQI
24th Jul 2025459 PMAQI
24th Jul 20254410 PMAQI
24th Jul 20255011 PMAQI
25th Jul 20254712 AMAQI
25th Jul 2025511 AMAQI
25th Jul 2025432 AMAQI
25th Jul 2025313 AMAQI
25th Jul 2025434 AMAQI
16°C10/22°C
25th Jul 2025435 AMAQI
25th Jul 2025376 AMAQI
25th Jul 2025367 AMAQI
25th Jul 2025328 AMAQI
25th Jul 2025459 AMAQI
25th Jul 20255210 AMAQI
25th Jul 20255211 AMAQI
25th Jul 20254512 PMAQI
25th Jul 2025411 PMAQI
25th Jul 2025412 PMAQI
25th Jul 2025423 PMAQI
25th Jul 2025384 PMAQI
25th Jul 2025415 PMAQI
25th Jul 2025386 PMAQI
25th Jul 2025387 PMAQI
25th Jul 2025348 PMAQI
25th Jul 2025329 PMAQI
25th Jul 20254110 PMAQI
25th Jul 20254811 PMAQI
26th Jul 20254812 AMAQI
26th Jul 2025481 AMAQI
26th Jul 2025402 AMAQI
26th Jul 2025313 AMAQI
26th Jul 2025284 AMAQI
17°C14/22°C
26th Jul 2025305 AMAQI
26th Jul 2025276 AMAQI
26th Jul 2025247 AMAQI
26th Jul 2025288 AMAQI
26th Jul 2025339 AMAQI
26th Jul 20252910 AMAQI
26th Jul 20253011 AMAQI
26th Jul 20253412 PMAQI
26th Jul 2025321 PMAQI
26th Jul 2025302 PMAQI
26th Jul 2025293 PMAQI
26th Jul 2025294 PMAQI
26th Jul 2025325 PMAQI
26th Jul 2025356 PMAQI
26th Jul 2025357 PMAQI
26th Jul 2025248 PMAQI
26th Jul 2025249 PMAQI
26th Jul 20253210 PMAQI
26th Jul 20253411 PMAQI
27th Jul 20252212 AMAQI
27th Jul 2025261 AMAQI
27th Jul 2025242 AMAQI
27th Jul 2025273 AMAQI
27th Jul 2025244 AMAQI
16°C13/19°C
27th Jul 2025315 AMAQI
27th Jul 2025316 AMAQI
27th Jul 2025267 AMAQI
27th Jul 2025218 AMAQI
27th Jul 2025249 AMAQI
27th Jul 20252310 AMAQI
27th Jul 20252611 AMAQI
27th Jul 20252512 PMAQI
27th Jul 2025261 PMAQI
27th Jul 2025322 PMAQI
27th Jul 2025333 PMAQI
27th Jul 2025354 PMAQI
27th Jul 2025335 PMAQI
27th Jul 2025346 PMAQI
27th Jul 2025337 PMAQI
27th Jul 2025368 PMAQI
27th Jul 2025329 PMAQI
27th Jul 20252610 PMAQI
27th Jul 20253611 PMAQI
28th Jul 20254412 AMAQI
28th Jul 2025431 AMAQI
28th Jul 2025482 AMAQI
28th Jul 2025523 AMAQI
28th Jul 2025564 AMAQI
17°C11/22°C
28th Jul 2025545 AMAQI
28th Jul 2025526 AMAQI
28th Jul 2025527 AMAQI
28th Jul 2025548 AMAQI
28th Jul 2025559 AMAQI
28th Jul 20255610 AMAQI
28th Jul 20255611 AMAQI
28th Jul 20255912 PMAQI
28th Jul 2025601 PMAQI
28th Jul 2025602 PMAQI
28th Jul 2025623 PMAQI
28th Jul 2025564 PMAQI
28th Jul 2025565 PMAQI
28th Jul 2025566 PMAQI
28th Jul 2025567 PMAQI
28th Jul 2025568 PMAQI
28th Jul 2025569 PMAQI
28th Jul 20255610 PMAQI
28th Jul 20255411 PMAQI
29th Jul 20255412 AMAQI
29th Jul 2025531 AMAQI
29th Jul 2025542 AMAQI
29th Jul 2025553 AMAQI
29th Jul 2025574 AMAQI
18°C13/23°C
29th Jul 2025565 AMAQI
29th Jul 2025566 AMAQI
29th Jul 2025567 AMAQI
29th Jul 2025588 AMAQI
29th Jul 2025599 AMAQI
29th Jul 20255810 AMAQI
29th Jul 20256211 AMAQI
29th Jul 20256412 PMAQI
29th Jul 2025631 PMAQI
29th Jul 2025612 PMAQI
29th Jul 2025633 PMAQI
29th Jul 2025624 PMAQI
29th Jul 2025605 PMAQI
29th Jul 2025626 PMAQI
29th Jul 2025627 PMAQI
29th Jul 2025618 PMAQI
29th Jul 2025569 PMAQI
29th Jul 20255710 PMAQI
29th Jul 20256411 PMAQI
30th Jul 20256512 AMAQI
30th Jul 2025631 AMAQI
30th Jul 2025652 AMAQI
30th Jul 2025563 AMAQI
30th Jul 2025464 AMAQI
16°C12/22°C
30th Jul 2025415 AMAQI
30th Jul 2025546 AMAQI
30th Jul 2025687 AMAQI
30th Jul 2025678 AMAQI
30th Jul 2025689 AMAQI
30th Jul 20256210 AMAQI
30th Jul 20255811 AMAQI
30th Jul 20255912 PMAQI
30th Jul 2025581 PMAQI
30th Jul 2025602 PMAQI
30th Jul 2025603 PMAQI
30th Jul 2025584 PMAQI
30th Jul 2025595 PMAQI
30th Jul 2025596 PMAQI
30th Jul 2025597 PMAQI
30th Jul 2025598 PMAQI
30th Jul 2025599 PMAQI
30th Jul 20255910 PMAQI
30th Jul 20255811 PMAQI
31st Jul 20255812 AMAQI
31st Jul 2025571 AMAQI
31st Jul 2025492 AMAQI
31st Jul 2025443 AMAQI
31st Jul 2025414 AMAQI
19°C15/24°C
31st Jul 2025395 AMAQI
31st Jul 2025386 AMAQI
31st Jul 2025367 AMAQI
31st Jul 2025478 AMAQI
31st Jul 2025549 AMAQI
31st Jul 20255010 AMAQI
31st Jul 20254211 AMAQI
31st Jul 20254412 PMAQI
31st Jul 2025371 PMAQI
31st Jul 2025292 PMAQI
31st Jul 2025283 PMAQI
31st Jul 2025294 PMAQI
31st Jul 2025285 PMAQI
31st Jul 2025306 PMAQI
31st Jul 2025347 PMAQI
31st Jul 2025348 PMAQI
31st Jul 2025499 PMAQI
31st Jul 20254010 PMAQI
31st Jul 20252711 PMAQI
1st Aug 20252512 AMAQI
1st Aug 2025251 AMAQI
1st Aug 2025302 AMAQI
1st Aug 2025343 AMAQI
1st Aug 2025304 AMAQI
18°C15/22°C
1st Aug 2025345 AMAQI
1st Aug 2025326 AMAQI
1st Aug 2025307 AMAQI
1st Aug 2025228 AMAQI
1st Aug 2025249 AMAQI
1st Aug 20252210 AMAQI
1st Aug 20252811 AMAQI
1st Aug 20253412 PMAQI
1st Aug 2025361 PMAQI
1st Aug 2025372 PMAQI
1st Aug 2025423 PMAQI
1st Aug 2025324 PMAQI
1st Aug 2025295 PMAQI
1st Aug 2025326 PMAQI
1st Aug 2025387 PMAQI
1st Aug 2025528 PMAQI
1st Aug 2025339 PMAQI
1st Aug 20253910 PMAQI
1st Aug 20254911 PMAQI
2nd Aug 20254412 AMAQI
2nd Aug 2025471 AMAQI
2nd Aug 2025402 AMAQI
2nd Aug 2025363 AMAQI
2nd Aug 2025464 AMAQI
16°C13/20°C
2nd Aug 2025345 AMAQI
5 AM2nd Aug 2025346 AMAQI
2nd Aug 2025437 AMAQI
2nd Aug 2025388 AMAQI
2nd Aug 2025489 AMAQI
2nd Aug 20254310 AMAQI
2nd Aug 20255011 AMAQI
2nd Aug 20255212 PMAQI
12 PM2nd Aug 2025541 PMAQI
8 PM
12 AM
4 AM
--°C/°C
Day time
Avg. Highest Time
9 AM - 1 PM
37AQI
5 hours / Day
150 hours / Month
Avg. Lowest Time
2 PM
35AQI
1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 9 AM to 1 PM (Avg. 37), while the lowest AQI was between 2 PM to 2 PM (Avg. 35).
Night time
Avg. Highest Time
12 AM - 11 PM
36AQI
8 hours / Day
240 hours / Month
Avg. Lowest Time
12 AM - 11 PM
36AQI
8 hours / Day
240 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 12 AM to 11 PM (Avg. 36), while the lowest AQI was between 12 AM to 11 PM (Avg. 36).
2025 Days Vs Air Quality
St Johns, Mount Pearl Park, Newfoundland And Labrador, Canada
2025
98%
208
2%
5
Total number of days with different AQI categories in last 214 days in 2025 (151 days remaining)
Good
208 DaysModerate
5 DaysPoor
0 DaysUnhealthy
0 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 98%
Health Risk Level:
Very Low
In 2025, 98% of 214 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
St Johns, Mount Pearl Park, Newfoundland And Labrador, Canada
AQI levels in 2025
AQI
PM2.5
PM10
CO
SO2
NO2
O3
Sun.Mon.Tue.Wed.Thu.Fri.Sat.
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
1st January 2025
27AQI
27AQI
2nd January 2025
30AQI
30AQI
3rd January 2025
29AQI
29AQI
4th January 2025
25AQI
25AQI
5th January 2025
38AQI
38AQI
6th January 2025
28AQI
28AQI
7th January 2025
21AQI
21AQI
8th January 2025
18AQI
18AQI
9th January 2025
19AQI
19AQI
10th January 2025
18AQI
18AQI
11th January 2025
20AQI
20AQI
12th January 2025
19AQI
19AQI
13th January 2025
30AQI
30AQI
14th January 2025
43AQI
43AQI
15th January 2025
38AQI
38AQI
16th January 2025
24AQI
24AQI
17th January 2025
32AQI
32AQI
18th January 2025
33AQI
33AQI
19th January 2025
42AQI
42AQI
20th January 2025
38AQI
38AQI
21st January 2025
46AQI
46AQI
22nd January 2025
38AQI
38AQI
23rd January 2025
24AQI
24AQI
24th January 2025
27AQI
27AQI
25th January 2025
20AQI
20AQI
26th January 2025
19AQI
19AQI
27th January 2025
21AQI
21AQI
28th January 2025
28AQI
28AQI
29th January 2025
24AQI
24AQI
30th January 2025
22AQI
22AQI
31st January 2025
22AQI
22AQI
1st February 2025
20AQI
20AQI
2nd February 2025
18AQI
18AQI
3rd February 2025
19AQI
19AQI
4th February 2025
22AQI
22AQI
5th February 2025
23AQI
23AQI
6th February 2025
31AQI
31AQI
7th February 2025
30AQI
30AQI
8th February 2025
27AQI
27AQI
9th February 2025
33AQI
33AQI
10th February 2025
35AQI
35AQI
11th February 2025
38AQI
38AQI
12th February 2025
41AQI
41AQI
13th February 2025
39AQI
39AQI
14th February 2025
26AQI
26AQI
15th February 2025
28AQI
28AQI
16th February 2025
35AQI
35AQI
17th February 2025
29AQI
29AQI
18th February 2025
29AQI
29AQI
19th February 2025
22AQI
22AQI
20th February 2025
24AQI
24AQI
21st February 2025
24AQI
24AQI
22nd February 2025
24AQI
24AQI
23rd February 2025
22AQI
22AQI
24th February 2025
27AQI
27AQI
25th February 2025
25AQI
25AQI
26th February 2025
26AQI
26AQI
27th February 2025
21AQI
21AQI
28th February 2025
28AQI
28AQI
1st March 2025
28AQI
28AQI
2nd March 2025
31AQI
31AQI
3rd March 2025
26AQI
26AQI
4th March 2025
24AQI
24AQI
5th March 2025
27AQI
27AQI
6th March 2025
18AQI
18AQI
7th March 2025
19AQI
19AQI
8th March 2025
18AQI
18AQI
9th March 2025
27AQI
27AQI
10th March 2025
23AQI
23AQI
11th March 2025
21AQI
21AQI
12th March 2025
21AQI
21AQI
13th March 2025
27AQI
27AQI
14th March 2025
23AQI
23AQI
15th March 2025
21AQI
21AQI
16th March 2025
22AQI
22AQI
17th March 2025
17AQI
17AQI
18th March 2025
21AQI
21AQI
19th March 2025
24AQI
24AQI
20th March 2025
23AQI
23AQI
21st March 2025
25AQI
25AQI
22nd March 2025
23AQI
23AQI
23rd March 2025
24AQI
24AQI
24th March 2025
27AQI
27AQI
25th March 2025
24AQI
24AQI
26th March 2025
22AQI
22AQI
27th March 2025
19AQI
19AQI
28th March 2025
19AQI
19AQI
29th March 2025
17AQI
17AQI
30th March 2025
19AQI
19AQI
31st March 2025
20AQI
20AQI
1st April 2025
19AQI
19AQI
2nd April 2025
18AQI
18AQI
3rd April 2025
18AQI
18AQI
4th April 2025
19AQI
19AQI
5th April 2025
19AQI
19AQI
6th April 2025
19AQI
19AQI
7th April 2025
16AQI
16AQI
8th April 2025
16AQI
16AQI
9th April 2025
19AQI
19AQI
10th April 2025
19AQI
19AQI
11th April 2025
24AQI
24AQI
12th April 2025
23AQI
23AQI
13th April 2025
23AQI
23AQI
14th April 2025
21AQI
21AQI
15th April 2025
21AQI
21AQI
16th April 2025
15AQI
15AQI
17th April 2025
17AQI
17AQI
18th April 2025
25AQI
25AQI
19th April 2025
16AQI
16AQI
20th April 2025
20AQI
20AQI
21st April 2025
17AQI
17AQI
22nd April 2025
13AQI
13AQI
23rd April 2025
18AQI
18AQI
24th April 2025
17AQI
17AQI
25th April 2025
18AQI
18AQI
26th April 2025
19AQI
19AQI
27th April 2025
16AQI
16AQI
28th April 2025
15AQI
15AQI
29th April 2025
26AQI
26AQI
30th April 2025
27AQI
27AQI
1st May 2025
20AQI
20AQI
2nd May 2025
20AQI
20AQI
3rd May 2025
19AQI
19AQI
4th May 2025
20AQI
20AQI
5th May 2025
17AQI
17AQI
6th May 2025
19AQI
19AQI
7th May 2025
18AQI
18AQI
8th May 2025
26AQI
26AQI
9th May 2025
17AQI
17AQI
10th May 2025
18AQI
18AQI
11th May 2025
16AQI
16AQI
12th May 2025
21AQI
21AQI
13th May 2025
23AQI
23AQI
14th May 2025
25AQI
25AQI
15th May 2025
21AQI
21AQI
16th May 2025
25AQI
25AQI
17th May 2025
29AQI
29AQI
18th May 2025
20AQI
20AQI
19th May 2025
16AQI
16AQI
20th May 2025
21AQI
21AQI
21st May 2025
21AQI
21AQI
22nd May 2025
25AQI
25AQI
23rd May 2025
29AQI
29AQI
24th May 2025
23AQI
23AQI
25th May 2025
16AQI
16AQI
26th May 2025
21AQI
21AQI
27th May 2025
25AQI
25AQI
28th May 2025
25AQI
25AQI
29th May 2025
32AQI
32AQI
30th May 2025
36AQI
36AQI
31st May 2025
28AQI
28AQI
1st June 2025
29AQI
29AQI
2nd June 2025
20AQI
20AQI
3rd June 2025
31AQI
31AQI
4th June 2025
20AQI
20AQI
5th June 2025
19AQI
19AQI
6th June 2025
22AQI
22AQI
7th June 2025
25AQI
25AQI
8th June 2025
25AQI
25AQI
9th June 2025
33AQI
33AQI
10th June 2025
41AQI
41AQI
11th June 2025
45AQI
45AQI
12th June 2025
39AQI
39AQI
13th June 2025
33AQI
33AQI
14th June 2025
26AQI
26AQI
15th June 2025
20AQI
20AQI
16th June 2025
22AQI
22AQI
17th June 2025
25AQI
25AQI
18th June 2025
22AQI
22AQI
19th June 2025
22AQI
22AQI
20th June 2025
20AQI
20AQI
21st June 2025
14AQI
14AQI
22nd June 2025
13AQI
13AQI
23rd June 2025
19AQI
19AQI
24th June 2025
22AQI
22AQI
25th June 2025
25AQI
25AQI
26th June 2025
23AQI
23AQI
27th June 2025
23AQI
23AQI
28th June 2025
27AQI
27AQI
29th June 2025
21AQI
21AQI
30th June 2025
20AQI
20AQI
1st July 2025
25AQI
25AQI
2nd July 2025
16AQI
16AQI
3rd July 2025
18AQI
18AQI
4th July 2025
23AQI
23AQI
5th July 2025
25AQI
25AQI
6th July 2025
23AQI
23AQI
7th July 2025
31AQI
31AQI
8th July 2025
31AQI
31AQI
9th July 2025
29AQI
29AQI
10th July 2025
28AQI
28AQI
11th July 2025
42AQI
42AQI
12th July 2025
51AQI
51AQI
13th July 2025
60AQI
60AQI
14th July 2025
47AQI
47AQI
15th July 2025
38AQI
38AQI
16th July 2025
50AQI
50AQI
17th July 2025
45AQI
45AQI
18th July 2025
32AQI
32AQI
19th July 2025
33AQI
33AQI
20th July 2025
42AQI
42AQI
21st July 2025
27AQI
27AQI
22nd July 2025
19AQI
19AQI
23rd July 2025
21AQI
21AQI
24th July 2025
34AQI
34AQI
25th July 2025
41AQI
41AQI
26th July 2025
32AQI
32AQI
27th July 2025
29AQI
29AQI
28th July 2025
54AQI
54AQI
29th July 2025
59AQI
59AQI
30th July 2025
59AQI
59AQI
31st July 2025
40AQI
40AQI
1st August 2025
32AQI
32AQI
28AQI
27AQI
23AQI
19AQI
22AQI
25AQI
36AQI
32AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202526AQI
31
28
31
30
31
30
26
5
1
208
5
Highest AQI recorded in
July36AQI
Lowest AQI recorded in
April19AQI
202423AQI
21
18
15
1
20
2
29
2
26
2
31
31
30
31
30
31
313
7
Highest AQI recorded in
April36AQI
Lowest AQI recorded in
July14AQI
202331AQI
31
28
23
8
23
7
29
2
28
2
26
3
31
26
2
2
28
3
29
30
332
27
2
Highest AQI recorded in
April40AQI
Lowest AQI recorded in
November23AQI
202229AQI
29
18
29
13
3
29
30
23
2
22
28
3
29
1
26
5
278
12
Highest AQI recorded in
April35AQI
Lowest AQI recorded in
September25AQI
202127AQI
30
28
31
28
1
29
2
28
31
31
30
28
1
25
29
348
4
Highest AQI recorded in
March32AQI
Lowest AQI recorded in
July21AQI
202024AQI
13
19
1
15
30
31
31
30
31
29
1
30
1
259
3
Highest AQI recorded in
April32AQI
Lowest AQI recorded in
July20AQI
Most & Least Polluted Years Over the Last 6 Years
Most Polluted Year Recorded
2023(Avg.)
31AQILeast Polluted Year Recorded
2024(Avg.)
23AQISt Johns's annual 2025 AQI (26) shows an average percentage change of -3.2% (improved AQI) compared to previous years: 2020 (24), 2021 (27), 2022 (29), 2023 (31), 2024 (23).
