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St Catharines, Ontario, Canada 历史空气质量分析

深入了解详细的空气质量数据，包括历史数据、月度模式和年度趋势，尽在掌握！

良好
050
适中
100
差
150
不健康
200
严重
300
危险
301+

八月空气质量分析

St Catharines, Ontario, Canada

2021
2022
2023
2024
2025
AQI
.
天数

AQI趋势：最高与最低

最高AQI记录于
16th Aug 2023
78AQI
最低AQI记录于
18th Aug 2021
17AQI

同日分析（1st August ）：
在过去5年的这一天，AQI差异显著：2025年排名为1st 最高，AQI为55，属于适中空气质量。

下载2024年度数据

全球空气质量报告

Globe

日夜AQI趋势：1st Aug - 2nd Aug 2025

St Catharines, Ontario, Canada

AQI
天
夜晚
.

5 AM1st Aug 2025

8 PM

4 AM2nd Aug 2025

白天时间
平均最高时间
6AM1st Aug

64AQI

平均最低时间
8PM1st Aug

20AQI

夜晚时间
平均最高时间
5AM1st Aug

72AQI

平均最低时间
11PM1st Aug

24AQI

在过去的24小时内，

St Catharines的AQI最高点为72，出现在夜晚的5 AM；最低点为20，出现在天的8 PM。

日夜AQI趋势：Jul - Aug 2025

St Catharines, Ontario, 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
天
夜晚
3rd Jul 2025445 AMAQI
3rd Jul 2025376 AMAQI
3rd Jul 2025397 AMAQI
3rd Jul 2025408 AMAQI
3rd Jul 2025409 AMAQI
3rd Jul 20254310 AMAQI
3rd Jul 20254911 AMAQI
3rd Jul 20255312 PMAQI
3rd Jul 2025541 PMAQI
3rd Jul 2025542 PMAQI
3rd Jul 2025553 PMAQI
3rd Jul 2025544 PMAQI
3rd Jul 2025525 PMAQI
3rd Jul 2025526 PMAQI
3rd Jul 2025517 PMAQI
3rd Jul 2025528 PMAQI
3rd Jul 2025499 PMAQI
3rd Jul 20254810 PMAQI
3rd Jul 20254211 PMAQI
4th Jul 20254112 AMAQI
4th Jul 2025411 AMAQI
4th Jul 2025302 AMAQI
4th Jul 2025243 AMAQI
4th Jul 2025264 AMAQI

22°C18/27°C

4th Jul 2025285 AMAQI
4th Jul 2025286 AMAQI
4th Jul 2025287 AMAQI
4th Jul 2025308 AMAQI
4th Jul 2025319 AMAQI
4th Jul 20252910 AMAQI
4th Jul 20252811 AMAQI
4th Jul 20252712 PMAQI
4th Jul 2025291 PMAQI
4th Jul 2025272 PMAQI
4th Jul 2025283 PMAQI
4th Jul 2025284 PMAQI
4th Jul 2025315 PMAQI
4th Jul 2025306 PMAQI
4th Jul 2025307 PMAQI
4th Jul 2025308 PMAQI
4th Jul 2025309 PMAQI
4th Jul 20253210 PMAQI
4th Jul 20253611 PMAQI
5th Jul 20254612 AMAQI
5th Jul 2025471 AMAQI
5th Jul 2025522 AMAQI
5th Jul 2025543 AMAQI
5th Jul 2025774 AMAQI

20°C15/25°C

5th Jul 2025605 AMAQI
5th Jul 2025486 AMAQI
5th Jul 2025507 AMAQI
5th Jul 2025528 AMAQI
5th Jul 2025549 AMAQI
5th Jul 20255510 AMAQI
5th Jul 20255611 AMAQI
5th Jul 20255612 PMAQI
5th Jul 2025581 PMAQI
5th Jul 2025582 PMAQI
5th Jul 2025563 PMAQI
5th Jul 2025574 PMAQI
5th Jul 2025545 PMAQI
5th Jul 2025536 PMAQI
5th Jul 2025527 PMAQI
5th Jul 2025528 PMAQI
5th Jul 2025539 PMAQI
5th Jul 20255310 PMAQI
5th Jul 20255111 PMAQI
6th Jul 20255312 AMAQI
6th Jul 2025521 AMAQI
6th Jul 2025482 AMAQI
6th Jul 2025473 AMAQI
6th Jul 2025454 AMAQI

24°C15/33°C

6th Jul 2025505 AMAQI
6th Jul 2025516 AMAQI
6th Jul 2025537 AMAQI
6th Jul 2025518 AMAQI
6th Jul 2025529 AMAQI
6th Jul 20255210 AMAQI
6th Jul 20255111 AMAQI
6th Jul 20255212 PMAQI
6th Jul 2025511 PMAQI
6th Jul 2025512 PMAQI
6th Jul 2025513 PMAQI
6th Jul 2025524 PMAQI
6th Jul 2025525 PMAQI
6th Jul 2025526 PMAQI
6th Jul 2025527 PMAQI
6th Jul 2025528 PMAQI
6th Jul 2025529 PMAQI
6th Jul 20255210 PMAQI
6th Jul 20255111 PMAQI
7th Jul 20255212 AMAQI
7th Jul 2025531 AMAQI
7th Jul 2025522 AMAQI
7th Jul 2025523 AMAQI
7th Jul 2025524 AMAQI

27°C22/34°C

7th Jul 2025525 AMAQI
7th Jul 2025516 AMAQI
7th Jul 2025517 AMAQI
7th Jul 2025528 AMAQI
7th Jul 2025529 AMAQI
7th Jul 20255210 AMAQI
7th Jul 20255211 AMAQI
7th Jul 20255212 PMAQI
7th Jul 2025501 PMAQI
7th Jul 2025482 PMAQI
7th Jul 2025373 PMAQI
7th Jul 2025404 PMAQI
7th Jul 2025435 PMAQI
7th Jul 2025416 PMAQI
7th Jul 2025407 PMAQI
7th Jul 2025398 PMAQI
7th Jul 2025429 PMAQI
7th Jul 20253710 PMAQI
7th Jul 20253911 PMAQI
8th Jul 20253812 AMAQI
8th Jul 2025391 AMAQI
8th Jul 2025372 AMAQI
8th Jul 2025283 AMAQI
8th Jul 2025244 AMAQI

25°C21/28°C

8th Jul 2025255 AMAQI
8th Jul 2025246 AMAQI
8th Jul 2025247 AMAQI
8th Jul 2025248 AMAQI
8th Jul 2025259 AMAQI
8th Jul 20252310 AMAQI
8th Jul 20252311 AMAQI
8th Jul 20252412 PMAQI
8th Jul 2025241 PMAQI
8th Jul 2025272 PMAQI
8th Jul 2025273 PMAQI
8th Jul 2025284 PMAQI
8th Jul 2025305 PMAQI
8th Jul 2025306 PMAQI
8th Jul 2025307 PMAQI
8th Jul 2025288 PMAQI
8th Jul 2025289 PMAQI
8th Jul 20252710 PMAQI
8th Jul 20252711 PMAQI
9th Jul 20252712 AMAQI
9th Jul 2025271 AMAQI
9th Jul 2025262 AMAQI
9th Jul 2025263 AMAQI
9th Jul 2025274 AMAQI

22°C19/26°C

9th Jul 2025355 AMAQI
9th Jul 2025366 AMAQI
9th Jul 2025387 AMAQI
9th Jul 2025328 AMAQI
9th Jul 2025349 AMAQI
9th Jul 20254210 AMAQI
9th Jul 20254011 AMAQI
9th Jul 20254412 PMAQI
9th Jul 2025431 PMAQI
9th Jul 2025442 PMAQI
9th Jul 2025443 PMAQI
9th Jul 2025454 PMAQI
9th Jul 2025465 PMAQI
9th Jul 2025466 PMAQI
9th Jul 2025457 PMAQI
9th Jul 2025448 PMAQI
9th Jul 2025409 PMAQI
9th Jul 20254110 PMAQI
9th Jul 20254111 PMAQI
10th Jul 20254112 AMAQI
10th Jul 2025421 AMAQI
10th Jul 2025422 AMAQI
10th Jul 2025443 AMAQI
10th Jul 2025524 AMAQI

22°C18/25°C

10th Jul 2025515 AMAQI
10th Jul 2025486 AMAQI
10th Jul 2025467 AMAQI
10th Jul 2025448 AMAQI
10th Jul 2025479 AMAQI
10th Jul 20254610 AMAQI
10th Jul 20254311 AMAQI
10th Jul 20254512 PMAQI
10th Jul 2025471 PMAQI
10th Jul 2025472 PMAQI
10th Jul 2025473 PMAQI
10th Jul 2025444 PMAQI
10th Jul 2025485 PMAQI
10th Jul 2025466 PMAQI
10th Jul 2025487 PMAQI
10th Jul 2025468 PMAQI
10th Jul 2025469 PMAQI
10th Jul 20254410 PMAQI
10th Jul 20255011 PMAQI
11th Jul 20254612 AMAQI
11th Jul 2025481 AMAQI
11th Jul 2025542 AMAQI
11th Jul 2025533 AMAQI
11th Jul 2025544 AMAQI

23°C18/28°C

11th Jul 2025545 AMAQI
11th Jul 2025556 AMAQI
11th Jul 2025547 AMAQI
11th Jul 2025548 AMAQI
11th Jul 2025539 AMAQI
11th Jul 20255410 AMAQI
11th Jul 20255411 AMAQI
11th Jul 20255412 PMAQI
11th Jul 2025541 PMAQI
11th Jul 2025542 PMAQI
11th Jul 2025533 PMAQI
11th Jul 2025534 PMAQI
11th Jul 2025525 PMAQI
11th Jul 2025526 PMAQI
11th Jul 2025527 PMAQI
11th Jul 2025528 PMAQI
11th Jul 2025529 PMAQI
11th Jul 20255210 PMAQI
11th Jul 20255111 PMAQI
12th Jul 20255312 AMAQI
12th Jul 2025511 AMAQI
12th Jul 2025532 AMAQI
12th Jul 2025503 AMAQI
12th Jul 2025454 AMAQI

24°C19/30°C

12th Jul 2025415 AMAQI
12th Jul 2025386 AMAQI
12th Jul 2025377 AMAQI
12th Jul 2025378 AMAQI
12th Jul 2025379 AMAQI
12th Jul 20253210 AMAQI
12th Jul 20253411 AMAQI
12th Jul 20253412 PMAQI
12th Jul 2025371 PMAQI
12th Jul 2025392 PMAQI
12th Jul 2025443 PMAQI
12th Jul 2025424 PMAQI
12th Jul 2025435 PMAQI
12th Jul 2025466 PMAQI
12th Jul 2025467 PMAQI
12th Jul 2025458 PMAQI
12th Jul 2025449 PMAQI
12th Jul 20254310 PMAQI
12th Jul 20254411 PMAQI
13th Jul 20254412 AMAQI
13th Jul 2025451 AMAQI
13th Jul 2025432 AMAQI
13th Jul 2025393 AMAQI
13th Jul 2025384 AMAQI

27°C20/35°C

13th Jul 2025365 AMAQI
13th Jul 2025376 AMAQI
13th Jul 2025367 AMAQI
13th Jul 2025408 AMAQI
13th Jul 2025409 AMAQI
13th Jul 20253910 AMAQI
13th Jul 20253811 AMAQI
13th Jul 20253812 PMAQI
13th Jul 2025381 PMAQI
13th Jul 2025382 PMAQI
13th Jul 2025363 PMAQI
13th Jul 2025364 PMAQI
13th Jul 2025395 PMAQI
13th Jul 2025386 PMAQI
13th Jul 2025387 PMAQI
13th Jul 2025388 PMAQI
13th Jul 2025389 PMAQI
13th Jul 20254010 PMAQI
13th Jul 20253811 PMAQI
14th Jul 20254012 AMAQI
14th Jul 2025391 AMAQI
14th Jul 2025522 AMAQI
14th Jul 2025523 AMAQI
14th Jul 2025554 AMAQI

26°C23/30°C

14th Jul 2025445 AMAQI
14th Jul 2025346 AMAQI
14th Jul 2025477 AMAQI
14th Jul 2025488 AMAQI
14th Jul 2025489 AMAQI
14th Jul 20254510 AMAQI
14th Jul 20255011 AMAQI
14th Jul 20255312 PMAQI
14th Jul 2025551 PMAQI
14th Jul 2025552 PMAQI
14th Jul 2025533 PMAQI
14th Jul 2025504 PMAQI
14th Jul 2025515 PMAQI
14th Jul 2025516 PMAQI
14th Jul 2025527 PMAQI
14th Jul 2025518 PMAQI
14th Jul 2025509 PMAQI
14th Jul 20255010 PMAQI
14th Jul 20255011 PMAQI
15th Jul 20255112 AMAQI
15th Jul 2025571 AMAQI
15th Jul 2025582 AMAQI
15th Jul 2025603 AMAQI
15th Jul 2025624 AMAQI

25°C21/30°C

15th Jul 2025625 AMAQI
15th Jul 2025636 AMAQI
15th Jul 2025617 AMAQI
15th Jul 2025618 AMAQI
15th Jul 2025639 AMAQI
15th Jul 20256310 AMAQI
15th Jul 20256211 AMAQI
15th Jul 20256112 PMAQI
15th Jul 2025591 PMAQI
15th Jul 2025582 PMAQI
15th Jul 2025613 PMAQI
15th Jul 2025604 PMAQI
15th Jul 2025605 PMAQI
15th Jul 2025606 PMAQI
15th Jul 2025597 PMAQI
15th Jul 2025598 PMAQI
15th Jul 2025589 PMAQI
15th Jul 20255910 PMAQI
15th Jul 20256011 PMAQI
16th Jul 20255812 AMAQI
16th Jul 2025591 AMAQI
16th Jul 2025572 AMAQI
16th Jul 2025543 AMAQI
16th Jul 2025584 AMAQI

26°C20/32°C

16th Jul 2025555 AMAQI
16th Jul 2025586 AMAQI
16th Jul 2025627 AMAQI
16th Jul 2025638 AMAQI
16th Jul 2025679 AMAQI
16th Jul 20257410 AMAQI
16th Jul 20256811 AMAQI
16th Jul 20256612 PMAQI
16th Jul 2025671 PMAQI
16th Jul 2025662 PMAQI
16th Jul 2025643 PMAQI
16th Jul 2025634 PMAQI
16th Jul 2025635 PMAQI
16th Jul 2025636 PMAQI
16th Jul 2025627 PMAQI
16th Jul 2025608 PMAQI
16th Jul 2025609 PMAQI
16th Jul 20255810 PMAQI
16th Jul 20255411 PMAQI
17th Jul 20255412 AMAQI
17th Jul 2025541 AMAQI
17th Jul 2025432 AMAQI
17th Jul 2025363 AMAQI
17th Jul 2025304 AMAQI

25°C19/33°C

17th Jul 2025245 AMAQI
17th Jul 2025246 AMAQI
17th Jul 2025237 AMAQI
17th Jul 2025278 AMAQI
17th Jul 2025309 AMAQI
17th Jul 20253210 AMAQI
17th Jul 20253211 AMAQI
17th Jul 20253012 PMAQI
17th Jul 2025311 PMAQI
17th Jul 2025302 PMAQI
17th Jul 2025243 PMAQI
17th Jul 2025264 PMAQI
17th Jul 2025305 PMAQI
17th Jul 2025316 PMAQI
17th Jul 2025297 PMAQI
17th Jul 2025288 PMAQI
17th Jul 2025299 PMAQI
17th Jul 20253110 PMAQI
17th Jul 20252811 PMAQI
18th Jul 20252612 AMAQI
18th Jul 2025251 AMAQI
18th Jul 2025212 AMAQI
18th Jul 2025193 AMAQI
18th Jul 2025204 AMAQI

25°C20/30°C

18th Jul 2025205 AMAQI
18th Jul 2025206 AMAQI
18th Jul 2025207 AMAQI
18th Jul 2025208 AMAQI
18th Jul 2025199 AMAQI
18th Jul 20251910 AMAQI
18th Jul 20251911 AMAQI
18th Jul 20251912 PMAQI
18th Jul 2025191 PMAQI
18th Jul 2025192 PMAQI
18th Jul 2025193 PMAQI
18th Jul 2025194 PMAQI
18th Jul 2025195 PMAQI
18th Jul 2025196 PMAQI
18th Jul 2025197 PMAQI
18th Jul 2025208 PMAQI
18th Jul 2025199 PMAQI
18th Jul 20251910 PMAQI
18th Jul 20251911 PMAQI
19th Jul 20252012 AMAQI
19th Jul 2025241 AMAQI
19th Jul 2025272 AMAQI
19th Jul 2025283 AMAQI
19th Jul 2025264 AMAQI

21°C15/26°C

19th Jul 2025265 AMAQI
19th Jul 2025296 AMAQI
19th Jul 2025417 AMAQI
19th Jul 2025408 AMAQI
19th Jul 2025349 AMAQI
19th Jul 20253210 AMAQI
19th Jul 20253111 AMAQI
19th Jul 20252712 PMAQI
19th Jul 2025241 PMAQI
19th Jul 2025232 PMAQI
19th Jul 2025243 PMAQI
19th Jul 2025234 PMAQI
19th Jul 2025245 PMAQI
19th Jul 2025266 PMAQI
19th Jul 2025267 PMAQI
19th Jul 2025278 PMAQI
19th Jul 2025279 PMAQI
19th Jul 20252810 PMAQI
19th Jul 20252611 PMAQI
20th Jul 20252612 AMAQI
20th Jul 2025271 AMAQI
20th Jul 2025222 AMAQI
20th Jul 2025223 AMAQI
20th Jul 2025224 AMAQI

21°C13/29°C

20th Jul 2025225 AMAQI
20th Jul 2025226 AMAQI
20th Jul 2025237 AMAQI
20th Jul 2025238 AMAQI
20th Jul 2025229 AMAQI
20th Jul 20252210 AMAQI
20th Jul 20252111 AMAQI
20th Jul 20252212 PMAQI
20th Jul 2025251 PMAQI
20th Jul 2025242 PMAQI
20th Jul 2025243 PMAQI
20th Jul 2025244 PMAQI
20th Jul 2025245 PMAQI
20th Jul 2025246 PMAQI
20th Jul 2025257 PMAQI
20th Jul 2025248 PMAQI
20th Jul 2025239 PMAQI
20th Jul 20252410 PMAQI
20th Jul 20253011 PMAQI
21st Jul 20253412 AMAQI
21st Jul 2025381 AMAQI
21st Jul 2025522 AMAQI
21st Jul 2025443 AMAQI
21st Jul 2025494 AMAQI

22°C20/28°C

21st Jul 2025565 AMAQI
21st Jul 2025586 AMAQI
21st Jul 2025587 AMAQI
21st Jul 2025588 AMAQI
21st Jul 2025569 AMAQI
21st Jul 20255610 AMAQI
21st Jul 20255611 AMAQI
21st Jul 20255212 PMAQI
21st Jul 2025461 PMAQI
21st Jul 2025372 PMAQI
21st Jul 2025343 PMAQI
21st Jul 2025384 PMAQI
21st Jul 2025385 PMAQI
21st Jul 2025376 PMAQI
21st Jul 2025387 PMAQI
21st Jul 2025388 PMAQI
21st Jul 2025469 PMAQI
21st Jul 20254610 PMAQI
21st Jul 20253611 PMAQI
22nd Jul 20254012 AMAQI
22nd Jul 2025431 AMAQI
22nd Jul 2025402 AMAQI
22nd Jul 2025443 AMAQI
22nd Jul 2025364 AMAQI

20°C17/24°C

22nd Jul 2025325 AMAQI
22nd Jul 2025296 AMAQI
22nd Jul 2025257 AMAQI
22nd Jul 2025268 AMAQI
22nd Jul 2025289 AMAQI
22nd Jul 20252810 AMAQI
22nd Jul 20252411 AMAQI
22nd Jul 20252312 PMAQI
22nd Jul 2025221 PMAQI
22nd Jul 2025222 PMAQI
22nd Jul 2025243 PMAQI
22nd Jul 2025234 PMAQI
22nd Jul 2025255 PMAQI
22nd Jul 2025266 PMAQI
22nd Jul 2025247 PMAQI
22nd Jul 2025258 PMAQI
22nd Jul 2025259 PMAQI
22nd Jul 20252510 PMAQI
22nd Jul 20252411 PMAQI
23rd Jul 20252412 AMAQI
23rd Jul 2025251 AMAQI
23rd Jul 2025262 AMAQI
23rd Jul 2025233 AMAQI
23rd Jul 2025224 AMAQI

20°C14/26°C

23rd Jul 2025215 AMAQI
23rd Jul 2025206 AMAQI
23rd Jul 2025217 AMAQI
23rd Jul 2025248 AMAQI
23rd Jul 2025269 AMAQI
23rd Jul 20252610 AMAQI
23rd Jul 20252211 AMAQI
23rd Jul 20252312 PMAQI
23rd Jul 2025221 PMAQI
23rd Jul 2025222 PMAQI
23rd Jul 2025263 PMAQI
23rd Jul 2025254 PMAQI
23rd Jul 2025245 PMAQI
23rd Jul 2025276 PMAQI
23rd Jul 2025257 PMAQI
23rd Jul 2025258 PMAQI
23rd Jul 2025249 PMAQI
23rd Jul 20252410 PMAQI
23rd Jul 20252711 PMAQI
24th Jul 20252812 AMAQI
24th Jul 2025291 AMAQI
24th Jul 2025312 AMAQI
24th Jul 2025383 AMAQI
24th Jul 2025364 AMAQI

23°C14/30°C

24th Jul 2025385 AMAQI
24th Jul 2025406 AMAQI
24th Jul 2025447 AMAQI
24th Jul 2025448 AMAQI
24th Jul 2025449 AMAQI
24th Jul 20254610 AMAQI
24th Jul 20254511 AMAQI
24th Jul 20254612 PMAQI
24th Jul 2025461 PMAQI
24th Jul 2025482 PMAQI
24th Jul 2025483 PMAQI
24th Jul 2025464 PMAQI
24th Jul 2025485 PMAQI
24th Jul 2025486 PMAQI
24th Jul 2025467 PMAQI
24th Jul 2025438 PMAQI
24th Jul 2025439 PMAQI
24th Jul 20254410 PMAQI
24th Jul 20254411 PMAQI
25th Jul 20254212 AMAQI
25th Jul 2025401 AMAQI
25th Jul 2025322 AMAQI
25th Jul 2025293 AMAQI
25th Jul 2025284 AMAQI

26°C19/34°C

25th Jul 2025275 AMAQI
25th Jul 2025286 AMAQI
25th Jul 2025307 AMAQI
25th Jul 2025328 AMAQI
25th Jul 2025329 AMAQI
25th Jul 20253310 AMAQI
25th Jul 20253411 AMAQI
25th Jul 20253212 PMAQI
25th Jul 2025321 PMAQI
25th Jul 2025322 PMAQI
25th Jul 2025333 PMAQI
25th Jul 2025324 PMAQI
25th Jul 2025315 PMAQI
25th Jul 2025326 PMAQI
25th Jul 2025337 PMAQI
25th Jul 2025328 PMAQI
25th Jul 2025349 PMAQI
25th Jul 20253610 PMAQI
25th Jul 20254411 PMAQI
26th Jul 20254612 AMAQI
26th Jul 2025481 AMAQI
26th Jul 2025572 AMAQI
26th Jul 2025563 AMAQI
26th Jul 2025574 AMAQI

25°C23/28°C

26th Jul 2025595 AMAQI
26th Jul 2025606 AMAQI
26th Jul 2025587 AMAQI
26th Jul 2025548 AMAQI
26th Jul 2025619 AMAQI
26th Jul 20255910 AMAQI
26th Jul 20255911 AMAQI
26th Jul 20255412 PMAQI
26th Jul 2025531 PMAQI
26th Jul 2025532 PMAQI
26th Jul 2025523 PMAQI
26th Jul 2025504 PMAQI
26th Jul 2025535 PMAQI
26th Jul 2025546 PMAQI
26th Jul 2025537 PMAQI
26th Jul 2025528 PMAQI
26th Jul 2025539 PMAQI
26th Jul 20255310 PMAQI
26th Jul 20255111 PMAQI
27th Jul 20255112 AMAQI
27th Jul 2025501 AMAQI
27th Jul 2025332 AMAQI
27th Jul 2025283 AMAQI
27th Jul 2025284 AMAQI

25°C21/30°C

27th Jul 2025295 AMAQI
27th Jul 2025306 AMAQI
27th Jul 2025287 AMAQI
27th Jul 2025308 AMAQI
27th Jul 2025309 AMAQI
27th Jul 20252910 AMAQI
27th Jul 20253011 AMAQI
27th Jul 20253412 PMAQI
27th Jul 2025351 PMAQI
27th Jul 2025372 PMAQI
27th Jul 2025393 PMAQI
27th Jul 2025394 PMAQI
27th Jul 2025395 PMAQI
27th Jul 2025426 PMAQI
27th Jul 2025417 PMAQI
27th Jul 2025398 PMAQI
27th Jul 2025369 PMAQI
27th Jul 20253410 PMAQI
27th Jul 20253911 PMAQI
28th Jul 20254012 AMAQI
28th Jul 2025401 AMAQI
28th Jul 2025432 AMAQI
28th Jul 2025453 AMAQI
28th Jul 2025484 AMAQI

27°C23/32°C

28th Jul 2025485 AMAQI
28th Jul 2025526 AMAQI
28th Jul 2025527 AMAQI
28th Jul 2025538 AMAQI
28th Jul 2025559 AMAQI
28th Jul 20255610 AMAQI
28th Jul 20255311 AMAQI
28th Jul 20255312 PMAQI
28th Jul 2025531 PMAQI
28th Jul 2025472 PMAQI
28th Jul 2025513 PMAQI
28th Jul 2025534 PMAQI
28th Jul 2025525 PMAQI
28th Jul 2025536 PMAQI
28th Jul 2025537 PMAQI
28th Jul 2025538 PMAQI
28th Jul 2025529 PMAQI
28th Jul 20255110 PMAQI
28th Jul 20255011 PMAQI
29th Jul 20255112 AMAQI
29th Jul 2025511 AMAQI
29th Jul 2025472 AMAQI
29th Jul 2025503 AMAQI
29th Jul 2025484 AMAQI

26°C19/33°C

29th Jul 2025465 AMAQI
29th Jul 2025466 AMAQI
29th Jul 2025477 AMAQI
29th Jul 2025488 AMAQI
29th Jul 2025499 AMAQI
29th Jul 20255010 AMAQI
29th Jul 20254811 AMAQI
29th Jul 20254612 PMAQI
29th Jul 2025451 PMAQI
29th Jul 2025462 PMAQI
29th Jul 2025453 PMAQI
29th Jul 2025464 PMAQI
29th Jul 2025475 PMAQI
29th Jul 2025466 PMAQI
29th Jul 2025467 PMAQI
29th Jul 2025478 PMAQI
29th Jul 2025499 PMAQI
29th Jul 20254910 PMAQI
29th Jul 20254711 PMAQI
30th Jul 20254712 AMAQI
30th Jul 2025471 AMAQI
30th Jul 2025402 AMAQI
30th Jul 2025403 AMAQI
30th Jul 2025444 AMAQI

26°C21/32°C

30th Jul 2025465 AMAQI
30th Jul 2025436 AMAQI
30th Jul 2025447 AMAQI
30th Jul 2025478 AMAQI
30th Jul 2025489 AMAQI
30th Jul 20254910 AMAQI
30th Jul 20254811 AMAQI
30th Jul 20254912 PMAQI
30th Jul 2025461 PMAQI
30th Jul 2025432 PMAQI
30th Jul 2025463 PMAQI
30th Jul 2025484 PMAQI
30th Jul 2025495 PMAQI
30th Jul 2025496 PMAQI
30th Jul 2025497 PMAQI
30th Jul 2025498 PMAQI
30th Jul 2025499 PMAQI
30th Jul 20254910 PMAQI
30th Jul 20255011 PMAQI
31st Jul 20255012 AMAQI
31st Jul 2025531 AMAQI
31st Jul 2025572 AMAQI
31st Jul 2025603 AMAQI
31st Jul 2025624 AMAQI

25°C21/30°C

31st Jul 2025665 AMAQI
31st Jul 2025686 AMAQI
31st Jul 2025677 AMAQI
31st Jul 2025928 AMAQI
31st Jul 2025869 AMAQI
31st Jul 20257210 AMAQI
31st Jul 20255611 AMAQI
31st Jul 20259612 PMAQI
31st Jul 20251441 PMAQI
31st Jul 20251332 PMAQI
31st Jul 20251033 PMAQI
31st Jul 2025924 PMAQI
31st Jul 2025865 PMAQI
31st Jul 2025806 PMAQI
31st Jul 2025787 PMAQI
31st Jul 2025788 PMAQI
31st Jul 20251129 PMAQI
31st Jul 20259510 PMAQI
31st Jul 20258611 PMAQI
1st Aug 20258412 AMAQI
1st Aug 2025751 AMAQI
1st Aug 2025832 AMAQI
1st Aug 2025743 AMAQI
1st Aug 2025664 AMAQI

21°C17/26°C

1st Aug 2025725 AMAQI
1st Aug 2025646 AMAQI
1st Aug 2025607 AMAQI
1st Aug 2025608 AMAQI
1st Aug 2025589 AMAQI
1st Aug 20255410 AMAQI
1st Aug 20254611 AMAQI
1st Aug 20253612 PMAQI
1st Aug 2025301 PMAQI
1st Aug 2025272 PMAQI
1st Aug 2025263 PMAQI
1st Aug 2025244 PMAQI
1st Aug 2025235 PMAQI
1st Aug 2025206 PMAQI
1st Aug 2025217 PMAQI
1st Aug 2025208 PMAQI
1st Aug 2025439 PMAQI
1st Aug 20252910 PMAQI
1st Aug 20252411 PMAQI
2nd Aug 20253012 AMAQI
2nd Aug 2025361 AMAQI
2nd Aug 2025402 AMAQI
2nd Aug 2025363 AMAQI
2nd Aug 2025294 AMAQI

20°C14/26°C

2nd Aug 2025325 AMAQI
5 AM
2nd Aug 2025316 AMAQI
2nd Aug 2025327 AMAQI
2nd Aug 2025308 AMAQI
2nd Aug 2025319 AMAQI
2nd Aug 20252910 AMAQI
2nd Aug 20253011 AMAQI
2nd Aug 20252812 PMAQI
12 PM
8 PM
12 AM
4 AM

--°C/°C

白天时间
平均最高时间
5 AM - 8 PM

43AQI

16 小时 / 天
480 小时 / 月
平均最低时间
5 AM - 8 PM

43AQI

16 小时 / 天
480 小时 / 月
过去30天中，白天AQI最高值为5 AM到8 PM（平均43），最低值为5 AM到8 PM（平均43）。
夜晚时间
平均最高时间
12 AM - 11 PM

43AQI

8 小时 / 天
240 小时 / 月
平均最低时间
12 AM - 11 PM

43AQI

8 小时 / 天
240 小时 / 月
过去30天中，夜间AQI最高值为12 AM到11 PM（平均43），最低值为12 AM到11 PM（平均43）。

2025空气质量与天数对比

St Catharines, Ontario, Canada

2025

89%

190

11%

23

在2025年的最后214天中，不同AQI类别的总天数 (剩余 151 天)

良好
190 天数
适中
23 天数
差
0 天数
不健康
0 天数
严重
0 天数
危险
0 天数

在WHO安全空气质量限制内：89%

健康风险级别:

低

在2025年中，89%的214天在WHO的安全空气质量限制内，健康问题的风险是低，特别是对易感人群有潜在影响。

年度空气质量洞察

St Catharines, Ontario, Canada

2025年AQI水平

AQI
PM2.5
PM10
CO
SO2
NO2
O3
周日周一周二周三周四周五周六

一月

二月

三月

四月

五月

六月

七月

八月

九月

十月

十一月

十二月

1st 一月 2025
25AQI
2nd 一月 2025
24AQI
3rd 一月 2025
22AQI
4th 一月 2025
29AQI
5th 一月 2025
26AQI
6th 一月 2025
22AQI
7th 一月 2025
22AQI
8th 一月 2025
27AQI
9th 一月 2025
27AQI
10th 一月 2025
34AQI
11th 一月 2025
53AQI
12th 一月 2025
48AQI
13th 一月 2025
36AQI
14th 一月 2025
31AQI
15th 一月 2025
23AQI
16th 一月 2025
45AQI
17th 一月 2025
44AQI
18th 一月 2025
27AQI
19th 一月 2025
25AQI
20th 一月 2025
25AQI
21st 一月 2025
24AQI
22nd 一月 2025
28AQI
23rd 一月 2025
37AQI
24th 一月 2025
32AQI
25th 一月 2025
45AQI
26th 一月 2025
33AQI
27th 一月 2025
32AQI
28th 一月 2025
30AQI
29th 一月 2025
27AQI
30th 一月 2025
26AQI
31st 一月 2025
46AQI
1st 二月 2025
29AQI
2nd 二月 2025
28AQI
3rd 二月 2025
54AQI
4th 二月 2025
25AQI
5th 二月 2025
23AQI
6th 二月 2025
32AQI
7th 二月 2025
28AQI
8th 二月 2025
35AQI
9th 二月 2025
29AQI
10th 二月 2025
30AQI
11th 二月 2025
46AQI
12th 二月 2025
29AQI
13th 二月 2025
34AQI
14th 二月 2025
30AQI
15th 二月 2025
34AQI
16th 二月 2025
33AQI
17th 二月 2025
28AQI
18th 二月 2025
27AQI
19th 二月 2025
22AQI
20th 二月 2025
21AQI
21st 二月 2025
26AQI
22nd 二月 2025
42AQI
23rd 二月 2025
55AQI
24th 二月 2025
48AQI
25th 二月 2025
50AQI
26th 二月 2025
40AQI
27th 二月 2025
40AQI
28th 二月 2025
27AQI
1st 三月 2025
29AQI
2nd 三月 2025
27AQI
3rd 三月 2025
30AQI
4th 三月 2025
35AQI
5th 三月 2025
32AQI
6th 三月 2025
25AQI
7th 三月 2025
32AQI
8th 三月 2025
33AQI
9th 三月 2025
30AQI
10th 三月 2025
32AQI
11th 三月 2025
31AQI
12th 三月 2025
28AQI
13th 三月 2025
26AQI
14th 三月 2025
53AQI
15th 三月 2025
54AQI
16th 三月 2025
27AQI
17th 三月 2025
16AQI
18th 三月 2025
21AQI
19th 三月 2025
28AQI
20th 三月 2025
24AQI
21st 三月 2025
17AQI
22nd 三月 2025
17AQI
23rd 三月 2025
19AQI
24th 三月 2025
21AQI
25th 三月 2025
20AQI
26th 三月 2025
19AQI
27th 三月 2025
21AQI
28th 三月 2025
26AQI
29th 三月 2025
25AQI
30th 三月 2025
28AQI
31st 三月 2025
22AQI
1st 四月 2025
16AQI
2nd 四月 2025
19AQI
3rd 四月 2025
26AQI
4th 四月 2025
17AQI
5th 四月 2025
19AQI
6th 四月 2025
18AQI
7th 四月 2025
19AQI
8th 四月 2025
14AQI
9th 四月 2025
18AQI
10th 四月 2025
27AQI
11th 四月 2025
27AQI
12th 四月 2025
28AQI
13th 四月 2025
36AQI
14th 四月 2025
26AQI
15th 四月 2025
19AQI
16th 四月 2025
13AQI
17th 四月 2025
19AQI
18th 四月 2025
33AQI
19th 四月 2025
46AQI
20th 四月 2025
16AQI
21st 四月 2025
22AQI
22nd 四月 2025
16AQI
23rd 四月 2025
29AQI
24th 四月 2025
30AQI
25th 四月 2025
50AQI
26th 四月 2025
34AQI
27th 四月 2025
14AQI
28th 四月 2025
25AQI
29th 四月 2025
33AQI
30th 四月 2025
19AQI
1st 五月 2025
30AQI
2nd 五月 2025
28AQI
3rd 五月 2025
17AQI
4th 五月 2025
17AQI
5th 五月 2025
18AQI
6th 五月 2025
19AQI
7th 五月 2025
28AQI
8th 五月 2025
17AQI
9th 五月 2025
22AQI
10th 五月 2025
24AQI
11th 五月 2025
21AQI
12th 五月 2025
27AQI
13th 五月 2025
32AQI
14th 五月 2025
19AQI
15th 五月 2025
27AQI
16th 五月 2025
27AQI
17th 五月 2025
28AQI
18th 五月 2025
17AQI
19th 五月 2025
17AQI
20th 五月 2025
14AQI
21st 五月 2025
15AQI
22nd 五月 2025
13AQI
23rd 五月 2025
12AQI
24th 五月 2025
13AQI
25th 五月 2025
13AQI
26th 五月 2025
19AQI
27th 五月 2025
30AQI
28th 五月 2025
23AQI
29th 五月 2025
18AQI
30th 五月 2025
31AQI
31st 五月 2025
27AQI
1st 六月 2025
16AQI
2nd 六月 2025
20AQI
3rd 六月 2025
34AQI
4th 六月 2025
55AQI
5th 六月 2025
48AQI
6th 六月 2025
58AQI
7th 六月 2025
58AQI
8th 六月 2025
74AQI
9th 六月 2025
60AQI
10th 六月 2025
41AQI
11th 六月 2025
53AQI
12th 六月 2025
64AQI
13th 六月 2025
39AQI
14th 六月 2025
29AQI
15th 六月 2025
37AQI
16th 六月 2025
35AQI
17th 六月 2025
33AQI
18th 六月 2025
36AQI
19th 六月 2025
25AQI
20th 六月 2025
34AQI
21st 六月 2025
49AQI
22nd 六月 2025
52AQI
23rd 六月 2025
53AQI
24th 六月 2025
55AQI
25th 六月 2025
44AQI
26th 六月 2025
38AQI
27th 六月 2025
35AQI
28th 六月 2025
30AQI
29th 六月 2025
36AQI
30th 六月 2025
42AQI
1st 七月 2025
36AQI
2nd 七月 2025
40AQI
3rd 七月 2025
47AQI
4th 七月 2025
31AQI
5th 七月 2025
53AQI
6th 七月 2025
51AQI
7th 七月 2025
47AQI
8th 七月 2025
29AQI
9th 七月 2025
37AQI
10th 七月 2025
46AQI
11th 七月 2025
52AQI
12th 七月 2025
44AQI
13th 七月 2025
39AQI
14th 七月 2025
48AQI
15th 七月 2025
59AQI
16th 七月 2025
61AQI
17th 七月 2025
33AQI
18th 七月 2025
21AQI
19th 七月 2025
27AQI
20th 七月 2025
24AQI
21st 七月 2025
44AQI
22nd 七月 2025
30AQI
23rd 七月 2025
24AQI
24th 七月 2025
41AQI
25th 七月 2025
34AQI
26th 七月 2025
53AQI
27th 七月 2025
37AQI
28th 七月 2025
49AQI
29th 七月 2025
48AQI
30th 七月 2025
47AQI
31st 七月 2025
78AQI
1st 八月 2025
55AQI

31AQI

34AQI

27AQI

24AQI

21AQI

43AQI

42AQI

55AQI

天数

一月二月三月四月五月六月七月八月九月十月十一月十二月总天数

202532AQI

30
1
26
2
29
2
30
31
20
10
24
7
1
190
23

最高AQI记录于

八月

55AQI

最低AQI记录于

五月

21AQI

202432AQI

30
1
26
3
31
30
31
29
29
2
23
8
28
2
30
1
30
30
1
347
18

最高AQI记录于

二月

37AQI

最低AQI记录于

十一月

23AQI

202339AQI

28
3
27
1
30
1
27
3
28
3
11
13
4
2
23
6
2
22
9
29
1
30
1
29
27
3
311
44
6
2

最高AQI记录于

六月

73AQI

最低AQI记录于

十月

26AQI

202231AQI

29
2
22
29
2
17
31
29
1
19
1
1
1
29
30
1
27
3
29
2
292
12
1

最高AQI记录于

七月

42AQI

最低AQI记录于

八月

20AQI

202133AQI

24
6
26
2
28
3
28
2
29
2
30
26
5
31
30
26
5
28
2
30
1
336
28

最高AQI记录于

二月

38AQI

最低AQI记录于

九月

24AQI

202032AQI

13
21
18
30
30
1
31
28
2
29
2
27
3
26
5
253
13

最高AQI记录于

六月

36AQI

最低AQI记录于

十月

28AQI

过去6年中污染最重与最轻的年份

污染最重的记录年份
2023(平均)
39AQI
污染最轻的记录年份
2022(平均)
31AQI

St Catharines的年度2025 AQI（32）相比之前几年的平均百分比变化为-3.9% (改善 AQI)：2020 (32), 2021 (33), 2022 (31), 2023 (39), 2024 (32)。