Hulan Normal College, Harbin, Heilongjiang, China 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
Hulan Normal College, Harbin, Heilongjiang, China
2021
2022
2023
2024
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
8th Aug 2021
118AQILowest AQI recorded on
30th Aug 2023
20AQISame Day Analysis (8th August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 4th highest AQI at 37 of Good air quality, showing improvement over 2024, 2023 and 2021 on the same day.
Download 2024 Annual Data
World Air Quality Report
Day & Night AQI Trend: 8th Aug - 9th Aug 2025
Hulan Normal College, Harbin, Heilongjiang, China
AQI
Day
Night
.
6 AM8th Aug 2025
9 PM
5 AM9th Aug 2025
Day time
Avg. Highest Time
12AMNaNth undefined
AQI
Avg. Lowest Time
12AMNaNth undefined
AQI
Night time
Avg. Highest Time
3PM8th Aug
40AQI
Avg. Lowest Time
9AM8th Aug
20AQI
In the last 24 hours,
Hulan Normal College's AQI reached its highest point of 40 at 3 PM during the Night, while the lowest point, undefined, was recorded at 5 AM during the Night between 8th Aug and 9th Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Hulan Normal College, Harbin, Heilongjiang, China
JulAug
10th - 11th11th - 12th12th - 13th13th - 14th14th - 15th15th - 16th16th - 17th17th - 18th18th - 19th19th - 20th20th - 21st21st - 22nd22nd - 23rd23rd - 24th24th - 25th25th - 26th26th - 27th27th - 28th28th - 29th29th - 30th30th - 31st31st - 01st01st - 02nd02nd - 03rd03rd - 04th04th - 05th05th - 06th06th - 07th07th - 08th08th - 09th09th
Day
Night
10th Jul 2025556 AMAQI
10th Jul 2025557 AMAQI
10th Jul 2025428 AMAQI
10th Jul 2025379 AMAQI
10th Jul 20254110 AMAQI
10th Jul 20255111 AMAQI
10th Jul 20255512 PMAQI
10th Jul 2025661 PMAQI
10th Jul 2025782 PMAQI
10th Jul 2025873 PMAQI
10th Jul 2025994 PMAQI
10th Jul 20251015 PMAQI
10th Jul 2025716 PMAQI
10th Jul 2025707 PMAQI
10th Jul 2025598 PMAQI
10th Jul 2025609 PMAQI
10th Jul 20256210 PMAQI
10th Jul 20255511 PMAQI
11th Jul 20255312 AMAQI
11th Jul 2025551 AMAQI
11th Jul 2025542 AMAQI
11th Jul 2025553 AMAQI
11th Jul 2025554 AMAQI
11th Jul 2025565 AMAQI
27°C20/35°C
11th Jul 2025566 AMAQI
11th Jul 2025567 AMAQI
11th Jul 2025618 AMAQI
11th Jul 2025669 AMAQI
11th Jul 20256210 AMAQI
11th Jul 20256311 AMAQI
11th Jul 20256612 PMAQI
11th Jul 2025721 PMAQI
11th Jul 2025762 PMAQI
11th Jul 2025803 PMAQI
11th Jul 2025844 PMAQI
11th Jul 2025925 PMAQI
11th Jul 2025886 PMAQI
11th Jul 2025777 PMAQI
11th Jul 2025658 PMAQI
11th Jul 2025629 PMAQI
11th Jul 20255910 PMAQI
11th Jul 20255711 PMAQI
12th Jul 20255612 AMAQI
12th Jul 2025561 AMAQI
12th Jul 2025562 AMAQI
12th Jul 2025573 AMAQI
12th Jul 2025584 AMAQI
12th Jul 2025595 AMAQI
29°C24/35°C
12th Jul 2025586 AMAQI
12th Jul 2025587 AMAQI
12th Jul 2025608 AMAQI
12th Jul 2025619 AMAQI
12th Jul 20255810 AMAQI
12th Jul 20255911 AMAQI
12th Jul 20256412 PMAQI
12th Jul 2025661 PMAQI
12th Jul 2025622 PMAQI
12th Jul 2025633 PMAQI
12th Jul 2025614 PMAQI
12th Jul 2025625 PMAQI
12th Jul 2025626 PMAQI
12th Jul 2025547 PMAQI
12th Jul 2025548 PMAQI
12th Jul 2025529 PMAQI
12th Jul 20255310 PMAQI
12th Jul 20255111 PMAQI
13th Jul 20255012 AMAQI
13th Jul 2025581 AMAQI
13th Jul 2025582 AMAQI
13th Jul 2025583 AMAQI
13th Jul 2025584 AMAQI
13th Jul 2025585 AMAQI
27°C22/31°C
13th Jul 2025596 AMAQI
13th Jul 2025587 AMAQI
13th Jul 2025428 AMAQI
13th Jul 2025249 AMAQI
13th Jul 20252310 AMAQI
13th Jul 20252611 AMAQI
13th Jul 20253512 PMAQI
13th Jul 2025391 PMAQI
13th Jul 2025412 PMAQI
13th Jul 2025433 PMAQI
13th Jul 2025484 PMAQI
13th Jul 2025475 PMAQI
13th Jul 2025406 PMAQI
13th Jul 2025457 PMAQI
13th Jul 2025528 PMAQI
13th Jul 2025509 PMAQI
13th Jul 20255110 PMAQI
13th Jul 20255211 PMAQI
14th Jul 20255312 AMAQI
14th Jul 2025571 AMAQI
14th Jul 2025582 AMAQI
14th Jul 2025563 AMAQI
14th Jul 2025554 AMAQI
14th Jul 2025545 AMAQI
24°C20/29°C
14th Jul 2025546 AMAQI
14th Jul 2025547 AMAQI
14th Jul 2025398 AMAQI
14th Jul 2025329 AMAQI
14th Jul 20253310 AMAQI
14th Jul 20253811 AMAQI
14th Jul 20253712 PMAQI
14th Jul 2025381 PMAQI
14th Jul 2025362 PMAQI
14th Jul 2025373 PMAQI
14th Jul 2025394 PMAQI
14th Jul 2025385 PMAQI
14th Jul 2025346 PMAQI
14th Jul 2025347 PMAQI
14th Jul 2025488 PMAQI
14th Jul 2025489 PMAQI
14th Jul 20254810 PMAQI
14th Jul 20254811 PMAQI
15th Jul 20254812 AMAQI
15th Jul 2025541 AMAQI
15th Jul 2025562 AMAQI
15th Jul 2025543 AMAQI
15th Jul 2025534 AMAQI
15th Jul 2025545 AMAQI
24°C18/30°C
15th Jul 2025546 AMAQI
15th Jul 2025547 AMAQI
15th Jul 2025378 AMAQI
15th Jul 2025289 AMAQI
15th Jul 20253210 AMAQI
15th Jul 20253611 AMAQI
15th Jul 20254812 PMAQI
15th Jul 2025471 PMAQI
15th Jul 2025442 PMAQI
15th Jul 2025443 PMAQI
15th Jul 2025594 PMAQI
15th Jul 2025625 PMAQI
15th Jul 2025546 PMAQI
15th Jul 2025557 PMAQI
15th Jul 2025558 PMAQI
15th Jul 2025549 PMAQI
15th Jul 20255410 PMAQI
15th Jul 20255311 PMAQI
16th Jul 20255412 AMAQI
16th Jul 2025551 AMAQI
16th Jul 2025542 AMAQI
16th Jul 2025543 AMAQI
16th Jul 2025534 AMAQI
16th Jul 2025535 AMAQI
24°C18/30°C
16th Jul 2025526 AMAQI
16th Jul 2025527 AMAQI
16th Jul 2025318 AMAQI
16th Jul 2025229 AMAQI
16th Jul 20252110 AMAQI
16th Jul 20252311 AMAQI
16th Jul 20252912 PMAQI
16th Jul 2025301 PMAQI
16th Jul 2025342 PMAQI
16th Jul 2025283 PMAQI
16th Jul 2025244 PMAQI
16th Jul 2025225 PMAQI
16th Jul 2025386 PMAQI
16th Jul 2025527 PMAQI
16th Jul 2025538 PMAQI
16th Jul 2025529 PMAQI
16th Jul 20254910 PMAQI
16th Jul 20254811 PMAQI
17th Jul 20254812 AMAQI
17th Jul 2025541 AMAQI
17th Jul 2025542 AMAQI
17th Jul 2025523 AMAQI
17th Jul 2025514 AMAQI
17th Jul 2025505 AMAQI
24°C21/28°C
17th Jul 2025506 AMAQI
17th Jul 2025507 AMAQI
17th Jul 2025568 AMAQI
17th Jul 2025609 AMAQI
17th Jul 20256310 AMAQI
17th Jul 20255911 AMAQI
17th Jul 20255612 PMAQI
17th Jul 2025551 PMAQI
17th Jul 2025582 PMAQI
17th Jul 2025573 PMAQI
17th Jul 2025524 PMAQI
17th Jul 2025515 PMAQI
17th Jul 2025486 PMAQI
17th Jul 2025457 PMAQI
17th Jul 2025438 PMAQI
17th Jul 2025489 PMAQI
17th Jul 20255110 PMAQI
17th Jul 20255311 PMAQI
18th Jul 20255312 AMAQI
18th Jul 2025521 AMAQI
18th Jul 2025522 AMAQI
18th Jul 2025523 AMAQI
18th Jul 2025534 AMAQI
18th Jul 2025535 AMAQI
24°C19/29°C
18th Jul 2025536 AMAQI
18th Jul 2025537 AMAQI
18th Jul 2025488 AMAQI
18th Jul 2025429 AMAQI
18th Jul 20254410 AMAQI
18th Jul 20253311 AMAQI
18th Jul 20253012 PMAQI
18th Jul 2025261 PMAQI
18th Jul 2025282 PMAQI
18th Jul 2025243 PMAQI
18th Jul 2025324 PMAQI
18th Jul 2025405 PMAQI
18th Jul 2025506 PMAQI
18th Jul 2025507 PMAQI
18th Jul 2025488 PMAQI
18th Jul 2025509 PMAQI
18th Jul 20255510 PMAQI
18th Jul 20255511 PMAQI
19th Jul 20255512 AMAQI
19th Jul 2025531 AMAQI
19th Jul 2025532 AMAQI
19th Jul 2025523 AMAQI
19th Jul 2025524 AMAQI
19th Jul 2025525 AMAQI
25°C21/29°C
19th Jul 2025526 AMAQI
19th Jul 2025527 AMAQI
19th Jul 2025508 AMAQI
19th Jul 2025569 AMAQI
19th Jul 20255610 AMAQI
19th Jul 20255411 AMAQI
19th Jul 20254912 PMAQI
19th Jul 2025461 PMAQI
19th Jul 2025452 PMAQI
19th Jul 2025483 PMAQI
19th Jul 2025464 PMAQI
19th Jul 2025415 PMAQI
19th Jul 2025386 PMAQI
19th Jul 2025397 PMAQI
19th Jul 2025468 PMAQI
19th Jul 2025499 PMAQI
19th Jul 20254910 PMAQI
19th Jul 20255011 PMAQI
20th Jul 20255012 AMAQI
20th Jul 2025531 AMAQI
20th Jul 2025542 AMAQI
20th Jul 2025533 AMAQI
20th Jul 2025534 AMAQI
20th Jul 2025545 AMAQI
26°C21/31°C
20th Jul 2025536 AMAQI
20th Jul 2025537 AMAQI
20th Jul 2025558 AMAQI
20th Jul 2025579 AMAQI
20th Jul 20255410 AMAQI
20th Jul 20254211 AMAQI
20th Jul 20253312 PMAQI
20th Jul 2025291 PMAQI
20th Jul 2025322 PMAQI
20th Jul 2025233 PMAQI
20th Jul 2025224 PMAQI
20th Jul 2025215 PMAQI
20th Jul 2025216 PMAQI
20th Jul 2025307 PMAQI
20th Jul 2025418 PMAQI
20th Jul 2025399 PMAQI
20th Jul 20253910 PMAQI
20th Jul 20254011 PMAQI
21st Jul 20254412 AMAQI
21st Jul 2025531 AMAQI
21st Jul 2025532 AMAQI
21st Jul 2025533 AMAQI
21st Jul 2025524 AMAQI
21st Jul 2025525 AMAQI
23°C21/25°C
21st Jul 2025526 AMAQI
21st Jul 2025527 AMAQI
21st Jul 2025298 AMAQI
21st Jul 2025239 AMAQI
21st Jul 20252310 AMAQI
21st Jul 20252411 AMAQI
21st Jul 20252512 PMAQI
21st Jul 2025241 PMAQI
21st Jul 2025222 PMAQI
21st Jul 2025293 PMAQI
21st Jul 2025344 PMAQI
21st Jul 2025385 PMAQI
21st Jul 2025396 PMAQI
21st Jul 2025447 PMAQI
21st Jul 2025458 PMAQI
21st Jul 2025419 PMAQI
21st Jul 20254010 PMAQI
21st Jul 20253911 PMAQI
22nd Jul 20254212 AMAQI
22nd Jul 2025521 AMAQI
22nd Jul 2025522 AMAQI
22nd Jul 2025503 AMAQI
22nd Jul 2025484 AMAQI
22nd Jul 2025485 AMAQI
25°C19/32°C
22nd Jul 2025486 AMAQI
22nd Jul 2025487 AMAQI
22nd Jul 2025448 AMAQI
22nd Jul 2025449 AMAQI
22nd Jul 20253610 AMAQI
22nd Jul 20254011 AMAQI
22nd Jul 20254812 PMAQI
22nd Jul 2025541 PMAQI
22nd Jul 2025562 PMAQI
22nd Jul 2025583 PMAQI
22nd Jul 2025644 PMAQI
22nd Jul 2025695 PMAQI
22nd Jul 2025716 PMAQI
22nd Jul 2025717 PMAQI
22nd Jul 2025658 PMAQI
22nd Jul 2025649 PMAQI
22nd Jul 20256210 PMAQI
22nd Jul 20255911 PMAQI
23rd Jul 20255612 AMAQI
23rd Jul 2025511 AMAQI
23rd Jul 2025522 AMAQI
23rd Jul 2025513 AMAQI
23rd Jul 2025524 AMAQI
23rd Jul 2025525 AMAQI
28°C21/36°C
23rd Jul 2025516 AMAQI
23rd Jul 2025527 AMAQI
23rd Jul 2025498 AMAQI
23rd Jul 2025429 AMAQI
23rd Jul 20253010 AMAQI
23rd Jul 20252511 AMAQI
23rd Jul 20253612 PMAQI
23rd Jul 2025441 PMAQI
23rd Jul 2025532 PMAQI
23rd Jul 2025563 PMAQI
23rd Jul 2025584 PMAQI
23rd Jul 2025575 PMAQI
23rd Jul 2025606 PMAQI
23rd Jul 2025567 PMAQI
23rd Jul 2025538 PMAQI
23rd Jul 2025509 PMAQI
23rd Jul 20254810 PMAQI
23rd Jul 20254611 PMAQI
24th Jul 20254212 AMAQI
24th Jul 2025421 AMAQI
24th Jul 2025502 AMAQI
24th Jul 2025523 AMAQI
24th Jul 2025524 AMAQI
24th Jul 2025525 AMAQI
29°C24/34°C
24th Jul 2025526 AMAQI
24th Jul 2025527 AMAQI
24th Jul 2025368 AMAQI
24th Jul 2025369 AMAQI
24th Jul 20254210 AMAQI
24th Jul 20254411 AMAQI
24th Jul 20255412 PMAQI
24th Jul 2025581 PMAQI
24th Jul 2025582 PMAQI
24th Jul 2025593 PMAQI
24th Jul 2025624 PMAQI
24th Jul 2025635 PMAQI
24th Jul 2025616 PMAQI
24th Jul 2025597 PMAQI
24th Jul 2025568 PMAQI
24th Jul 2025579 PMAQI
24th Jul 20255410 PMAQI
24th Jul 20254911 PMAQI
25th Jul 20254512 AMAQI
25th Jul 2025521 AMAQI
25th Jul 2025512 AMAQI
25th Jul 2025513 AMAQI
25th Jul 2025524 AMAQI
25th Jul 2025525 AMAQI
27°C23/33°C
25th Jul 2025526 AMAQI
25th Jul 2025527 AMAQI
25th Jul 2025338 AMAQI
25th Jul 2025329 AMAQI
25th Jul 20253010 AMAQI
25th Jul 20253211 AMAQI
25th Jul 20252412 PMAQI
25th Jul 2025211 PMAQI
25th Jul 2025302 PMAQI
25th Jul 2025263 PMAQI
25th Jul 2025324 PMAQI
25th Jul 2025345 PMAQI
25th Jul 2025346 PMAQI
25th Jul 2025407 PMAQI
25th Jul 2025448 PMAQI
25th Jul 2025429 PMAQI
25th Jul 20254010 PMAQI
25th Jul 20253911 PMAQI
26th Jul 20254312 AMAQI
26th Jul 2025521 AMAQI
26th Jul 2025522 AMAQI
26th Jul 2025503 AMAQI
26th Jul 2025484 AMAQI
26th Jul 2025485 AMAQI
25°C22/29°C
26th Jul 2025486 AMAQI
26th Jul 2025487 AMAQI
26th Jul 2025418 AMAQI
26th Jul 2025389 AMAQI
26th Jul 20253710 AMAQI
26th Jul 20253411 AMAQI
26th Jul 20254212 PMAQI
26th Jul 2025481 PMAQI
26th Jul 2025462 PMAQI
26th Jul 2025443 PMAQI
26th Jul 2025404 PMAQI
26th Jul 2025405 PMAQI
26th Jul 2025406 PMAQI
26th Jul 2025427 PMAQI
26th Jul 2025468 PMAQI
26th Jul 2025489 PMAQI
26th Jul 20255110 PMAQI
26th Jul 20255011 PMAQI
27th Jul 20255212 AMAQI
27th Jul 2025521 AMAQI
27th Jul 2025512 AMAQI
27th Jul 2025503 AMAQI
27th Jul 2025504 AMAQI
27th Jul 2025495 AMAQI
24°C22/26°C
27th Jul 2025496 AMAQI
27th Jul 2025497 AMAQI
27th Jul 2025468 AMAQI
27th Jul 2025389 AMAQI
27th Jul 20253610 AMAQI
27th Jul 20253611 AMAQI
27th Jul 20253612 PMAQI
27th Jul 2025401 PMAQI
27th Jul 2025402 PMAQI
27th Jul 2025383 PMAQI
27th Jul 2025414 PMAQI
27th Jul 2025455 PMAQI
27th Jul 2025506 PMAQI
27th Jul 2025547 PMAQI
27th Jul 2025538 PMAQI
27th Jul 2025509 PMAQI
27th Jul 20254710 PMAQI
27th Jul 20254111 PMAQI
28th Jul 20254212 AMAQI
28th Jul 2025521 AMAQI
28th Jul 2025512 AMAQI
28th Jul 2025503 AMAQI
28th Jul 2025504 AMAQI
28th Jul 2025495 AMAQI
26°C23/29°C
28th Jul 2025506 AMAQI
28th Jul 2025507 AMAQI
28th Jul 2025358 AMAQI
28th Jul 2025249 AMAQI
28th Jul 20252310 AMAQI
28th Jul 20252611 AMAQI
28th Jul 20253212 PMAQI
28th Jul 2025341 PMAQI
28th Jul 2025372 PMAQI
28th Jul 2025403 PMAQI
28th Jul 2025454 PMAQI
28th Jul 2025595 PMAQI
28th Jul 2025476 PMAQI
28th Jul 2025407 PMAQI
28th Jul 2025428 PMAQI
28th Jul 2025449 PMAQI
28th Jul 20254610 PMAQI
28th Jul 20254811 PMAQI
29th Jul 20254612 AMAQI
29th Jul 2025521 AMAQI
29th Jul 2025512 AMAQI
29th Jul 2025493 AMAQI
29th Jul 2025484 AMAQI
29th Jul 2025475 AMAQI
25°C20/31°C
29th Jul 2025476 AMAQI
29th Jul 2025477 AMAQI
29th Jul 2025348 AMAQI
29th Jul 2025369 AMAQI
29th Jul 20254510 AMAQI
29th Jul 20254611 AMAQI
29th Jul 20254812 PMAQI
29th Jul 2025501 PMAQI
29th Jul 2025342 PMAQI
29th Jul 2025243 PMAQI
29th Jul 2025304 PMAQI
29th Jul 2025315 PMAQI
29th Jul 2025286 PMAQI
29th Jul 2025317 PMAQI
29th Jul 2025428 PMAQI
29th Jul 2025429 PMAQI
29th Jul 20254110 PMAQI
29th Jul 20254211 PMAQI
30th Jul 20254412 AMAQI
30th Jul 2025501 AMAQI
30th Jul 2025502 AMAQI
30th Jul 2025503 AMAQI
30th Jul 2025504 AMAQI
30th Jul 2025505 AMAQI
23°C20/28°C
30th Jul 2025506 AMAQI
30th Jul 2025507 AMAQI
30th Jul 2025338 AMAQI
30th Jul 2025299 AMAQI
30th Jul 20252810 AMAQI
30th Jul 20253411 AMAQI
30th Jul 20253512 PMAQI
30th Jul 2025381 PMAQI
30th Jul 2025372 PMAQI
30th Jul 2025353 PMAQI
30th Jul 2025364 PMAQI
30th Jul 2025345 PMAQI
30th Jul 2025376 PMAQI
30th Jul 2025387 PMAQI
30th Jul 2025448 PMAQI
30th Jul 2025449 PMAQI
30th Jul 20254510 PMAQI
30th Jul 20254211 PMAQI
31st Jul 20254412 AMAQI
31st Jul 2025501 AMAQI
31st Jul 2025512 AMAQI
31st Jul 2025513 AMAQI
31st Jul 2025514 AMAQI
31st Jul 2025515 AMAQI
23°C19/28°C
31st Jul 2025516 AMAQI
31st Jul 2025517 AMAQI
31st Jul 2025518 AMAQI
31st Jul 2025519 AMAQI
31st Jul 20255010 AMAQI
31st Jul 20254211 AMAQI
31st Jul 20253412 PMAQI
31st Jul 2025301 PMAQI
31st Jul 2025282 PMAQI
31st Jul 2025283 PMAQI
31st Jul 2025284 PMAQI
31st Jul 2025295 PMAQI
31st Jul 2025286 PMAQI
31st Jul 2025357 PMAQI
31st Jul 2025518 PMAQI
31st Jul 2025559 PMAQI
31st Jul 20255410 PMAQI
31st Jul 20255311 PMAQI
1st Aug 20254812 AMAQI
1st Aug 2025501 AMAQI
1st Aug 2025512 AMAQI
1st Aug 2025483 AMAQI
1st Aug 2025464 AMAQI
1st Aug 2025465 AMAQI
23°C17/29°C
1st Aug 2025476 AMAQI
1st Aug 2025467 AMAQI
1st Aug 2025478 AMAQI
1st Aug 2025479 AMAQI
1st Aug 20254010 AMAQI
1st Aug 20254111 AMAQI
1st Aug 20254212 PMAQI
1st Aug 2025471 PMAQI
1st Aug 2025482 PMAQI
1st Aug 2025363 PMAQI
1st Aug 2025474 PMAQI
1st Aug 2025395 PMAQI
1st Aug 2025386 PMAQI
1st Aug 2025537 PMAQI
1st Aug 2025608 PMAQI
1st Aug 2025579 PMAQI
1st Aug 20255610 PMAQI
1st Aug 20256011 PMAQI
2nd Aug 20255812 AMAQI
2nd Aug 2025491 AMAQI
2nd Aug 2025482 AMAQI
2nd Aug 2025493 AMAQI
2nd Aug 2025494 AMAQI
2nd Aug 2025485 AMAQI
25°C20/31°C
2nd Aug 2025476 AMAQI
2nd Aug 2025487 AMAQI
2nd Aug 2025528 AMAQI
2nd Aug 2025569 AMAQI
2nd Aug 20255610 AMAQI
2nd Aug 20254911 AMAQI
2nd Aug 20255012 PMAQI
2nd Aug 2025421 PMAQI
2nd Aug 2025502 PMAQI
2nd Aug 2025483 PMAQI
2nd Aug 2025504 PMAQI
2nd Aug 2025545 PMAQI
2nd Aug 2025576 PMAQI
2nd Aug 2025547 PMAQI
2nd Aug 2025568 PMAQI
2nd Aug 2025549 PMAQI
2nd Aug 20255710 PMAQI
2nd Aug 20255011 PMAQI
3rd Aug 20254812 AMAQI
3rd Aug 2025521 AMAQI
3rd Aug 2025522 AMAQI
3rd Aug 2025523 AMAQI
3rd Aug 2025524 AMAQI
3rd Aug 2025525 AMAQI
24°C19/30°C
3rd Aug 2025526 AMAQI
3rd Aug 2025517 AMAQI
3rd Aug 2025398 AMAQI
3rd Aug 2025269 AMAQI
3rd Aug 20253210 AMAQI
3rd Aug 20252811 AMAQI
3rd Aug 20252712 PMAQI
3rd Aug 2025241 PMAQI
3rd Aug 2025272 PMAQI
3rd Aug 2025283 PMAQI
3rd Aug 2025274 PMAQI
3rd Aug 2025265 PMAQI
3rd Aug 2025256 PMAQI
3rd Aug 2025337 PMAQI
3rd Aug 2025448 PMAQI
3rd Aug 2025449 PMAQI
3rd Aug 20254810 PMAQI
3rd Aug 20254811 PMAQI
4th Aug 20255212 AMAQI
4th Aug 2025521 AMAQI
4th Aug 2025502 AMAQI
4th Aug 2025493 AMAQI
4th Aug 2025494 AMAQI
4th Aug 2025485 AMAQI
21°C16/23°C
4th Aug 2025486 AMAQI
4th Aug 2025477 AMAQI
4th Aug 2025318 AMAQI
4th Aug 2025339 AMAQI
4th Aug 20252710 AMAQI
4th Aug 20252811 AMAQI
4th Aug 20252312 PMAQI
4th Aug 2025241 PMAQI
4th Aug 2025262 PMAQI
4th Aug 2025223 PMAQI
4th Aug 2025274 PMAQI
4th Aug 2025275 PMAQI
4th Aug 2025366 PMAQI
4th Aug 2025427 PMAQI
4th Aug 2025528 PMAQI
4th Aug 2025509 PMAQI
4th Aug 20255110 PMAQI
4th Aug 20255111 PMAQI
5th Aug 20255012 AMAQI
5th Aug 2025461 AMAQI
5th Aug 2025472 AMAQI
5th Aug 2025443 AMAQI
5th Aug 2025444 AMAQI
5th Aug 2025445 AMAQI
23°C17/29°C
5th Aug 2025446 AMAQI
5th Aug 2025447 AMAQI
5th Aug 2025388 AMAQI
5th Aug 2025449 AMAQI
5th Aug 20254710 AMAQI
5th Aug 20252811 AMAQI
5th Aug 20252712 PMAQI
5th Aug 2025281 PMAQI
5th Aug 2025282 PMAQI
5th Aug 2025303 PMAQI
5th Aug 2025304 PMAQI
5th Aug 2025295 PMAQI
5th Aug 2025356 PMAQI
5th Aug 2025487 PMAQI
5th Aug 2025508 PMAQI
5th Aug 2025499 PMAQI
5th Aug 20253810 PMAQI
5th Aug 20253811 PMAQI
6th Aug 20254212 AMAQI
6th Aug 2025431 AMAQI
6th Aug 2025422 AMAQI
6th Aug 2025423 AMAQI
6th Aug 2025424 AMAQI
6th Aug 2025415 AMAQI
23°C19/29°C
6th Aug 2025416 AMAQI
6th Aug 2025427 AMAQI
6th Aug 2025448 AMAQI
6th Aug 2025409 AMAQI
6th Aug 20253410 AMAQI
6th Aug 20253611 AMAQI
6th Aug 20253012 PMAQI
6th Aug 2025241 PMAQI
6th Aug 2025272 PMAQI
6th Aug 2025273 PMAQI
6th Aug 2025204 PMAQI
6th Aug 2025225 PMAQI
6th Aug 2025266 PMAQI
6th Aug 2025367 PMAQI
6th Aug 2025438 PMAQI
6th Aug 2025509 PMAQI
6th Aug 20254710 PMAQI
6th Aug 20254011 PMAQI
7th Aug 20254112 AMAQI
7th Aug 2025401 AMAQI
7th Aug 2025382 AMAQI
7th Aug 2025383 AMAQI
7th Aug 2025394 AMAQI
7th Aug 2025395 AMAQI
22°C19/27°C
7th Aug 2025426 AMAQI
7th Aug 2025387 AMAQI
7th Aug 2025258 AMAQI
7th Aug 2025219 AMAQI
7th Aug 20252610 AMAQI
7th Aug 20252111 AMAQI
7th Aug 20251812 PMAQI
7th Aug 2025211 PMAQI
7th Aug 2025182 PMAQI
7th Aug 2025193 PMAQI
7th Aug 2025184 PMAQI
7th Aug 2025185 PMAQI
7th Aug 2025186 PMAQI
7th Aug 2025247 PMAQI
7th Aug 2025298 PMAQI
7th Aug 2025349 PMAQI
7th Aug 20253510 PMAQI
7th Aug 20253511 PMAQI
8th Aug 20253612 AMAQI
8th Aug 2025391 AMAQI
8th Aug 2025392 AMAQI
8th Aug 2025373 AMAQI
8th Aug 2025354 AMAQI
8th Aug 2025365 AMAQI
21°C16/26°C
8th Aug 2025366 AMAQI
8th Aug 2025367 AMAQI
8th Aug 2025308 AMAQI
8th Aug 2025209 AMAQI
8th Aug 20252110 AMAQI
8th Aug 20252811 AMAQI
8th Aug 20252612 PMAQI
8th Aug 2025271 PMAQI
8th Aug 2025302 PMAQI
8th Aug 2025403 PMAQI
8th Aug 2025374 PMAQI
8th Aug 2025215 PMAQI
8th Aug 2025236 PMAQI
8th Aug 2025347 PMAQI
8th Aug 2025328 PMAQI
8th Aug 2025319 PMAQI
8th Aug 20253210 PMAQI
8th Aug 20253411 PMAQI
9th Aug 20253312 AMAQI
--°C/°C
6 AM
1 PM
9 PM
1 AM
5 AM
--°C/°C
Day time
Avg. Highest Time
6 AM - 7 AM
50AQI
2 hours / Day
60 hours / Month
Avg. Lowest Time
9 AM - 6 PM
41AQI
10 hours / Day
300 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 6 AM to 7 AM (Avg. 50), while the lowest AQI was between 9 AM to 6 PM (Avg. 41).
Night time
Avg. Highest Time
1 AM - 11 PM
50AQI
7 hours / Day
210 hours / Month
Avg. Lowest Time
12 AM
48AQI
1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 1 AM to 11 PM (Avg. 50), while the lowest AQI was between 12 AM to 12 AM (Avg. 48).
2025 Days Vs Air Quality
Hulan Normal College, Harbin, Heilongjiang, China
2025
18%
40
52%
114
15%
34
11%
25
3%
7
Total number of days with different AQI categories in last 220 days in 2025 (145 days remaining)
Good
40 DaysModerate
114 DaysPoor
34 DaysUnhealthy
25 DaysSevere
7 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 18%
Health Risk Level:
Extreme
In 2025, 18% of 220 days were within WHO’s safe air quality limits. The risk of health issues is Extreme, potentially causing respiratory problems, heart disease, skin issues, and stress, especially for children, the elderly, and those with pre-existing conditions.
Annual Air Quality Insights
Hulan Normal College, Harbin, Heilongjiang, China
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
168AQI
168AQI
2nd January 2025
157AQI
157AQI
3rd January 2025
133AQI
133AQI
4th January 2025
182AQI
182AQI
5th January 2025
161AQI
161AQI
6th January 2025
172AQI
172AQI
7th January 2025
163AQI
163AQI
8th January 2025
132AQI
132AQI
9th January 2025
149AQI
149AQI
10th January 2025
164AQI
164AQI
11th January 2025
187AQI
187AQI
12th January 2025
188AQI
188AQI
13th January 2025
182AQI
182AQI
14th January 2025
211AQI
211AQI
15th January 2025
126AQI
126AQI
16th January 2025
134AQI
134AQI
17th January 2025
151AQI
151AQI
18th January 2025
143AQI
143AQI
19th January 2025
192AQI
192AQI
20th January 2025
227AQI
227AQI
21st January 2025
188AQI
188AQI
22nd January 2025
189AQI
189AQI
23rd January 2025
206AQI
206AQI
24th January 2025
231AQI
231AQI
25th January 2025
259AQI
259AQI
26th January 2025
226AQI
226AQI
27th January 2025
164AQI
164AQI
28th January 2025
151AQI
151AQI
29th January 2025
137AQI
137AQI
30th January 2025
118AQI
118AQI
31st January 2025
155AQI
155AQI
1st February 2025
157AQI
157AQI
2nd February 2025
182AQI
182AQI
3rd February 2025
167AQI
167AQI
4th February 2025
145AQI
145AQI
5th February 2025
142AQI
142AQI
6th February 2025
132AQI
132AQI
7th February 2025
99AQI
99AQI
8th February 2025
90AQI
90AQI
9th February 2025
117AQI
117AQI
10th February 2025
142AQI
142AQI
11th February 2025
155AQI
155AQI
12th February 2025
146AQI
146AQI
13th February 2025
113AQI
113AQI
14th February 2025
106AQI
106AQI
15th February 2025
122AQI
122AQI
16th February 2025
94AQI
94AQI
17th February 2025
88AQI
88AQI
18th February 2025
79AQI
79AQI
19th February 2025
95AQI
95AQI
20th February 2025
95AQI
95AQI
21st February 2025
98AQI
98AQI
22nd February 2025
104AQI
104AQI
23rd February 2025
97AQI
97AQI
24th February 2025
97AQI
97AQI
25th February 2025
81AQI
81AQI
26th February 2025
80AQI
80AQI
27th February 2025
117AQI
117AQI
28th February 2025
79AQI
79AQI
1st March 2025
73AQI
73AQI
2nd March 2025
74AQI
74AQI
3rd March 2025
85AQI
85AQI
4th March 2025
86AQI
86AQI
5th March 2025
95AQI
95AQI
6th March 2025
105AQI
105AQI
7th March 2025
94AQI
94AQI
8th March 2025
107AQI
107AQI
9th March 2025
139AQI
139AQI
10th March 2025
221AQI
221AQI
11th March 2025
155AQI
155AQI
12th March 2025
89AQI
89AQI
13th March 2025
88AQI
88AQI
14th March 2025
66AQI
66AQI
15th March 2025
63AQI
63AQI
16th March 2025
64AQI
64AQI
17th March 2025
66AQI
66AQI
18th March 2025
72AQI
72AQI
19th March 2025
109AQI
109AQI
20th March 2025
98AQI
98AQI
21st March 2025
92AQI
92AQI
22nd March 2025
63AQI
63AQI
23rd March 2025
84AQI
84AQI
24th March 2025
70AQI
70AQI
25th March 2025
78AQI
78AQI
26th March 2025
112AQI
112AQI
27th March 2025
58AQI
58AQI
28th March 2025
66AQI
66AQI
29th March 2025
48AQI
48AQI
30th March 2025
59AQI
59AQI
31st March 2025
96AQI
96AQI
1st April 2025
119AQI
119AQI
2nd April 2025
112AQI
112AQI
3rd April 2025
115AQI
115AQI
4th April 2025
125AQI
125AQI
5th April 2025
88AQI
88AQI
6th April 2025
107AQI
107AQI
7th April 2025
100AQI
100AQI
8th April 2025
99AQI
99AQI
9th April 2025
119AQI
119AQI
10th April 2025
174AQI
174AQI
11th April 2025
164AQI
164AQI
12th April 2025
124AQI
124AQI
13th April 2025
100AQI
100AQI
14th April 2025
75AQI
75AQI
15th April 2025
57AQI
57AQI
16th April 2025
69AQI
69AQI
17th April 2025
159AQI
159AQI
18th April 2025
78AQI
78AQI
19th April 2025
94AQI
94AQI
20th April 2025
99AQI
99AQI
21st April 2025
87AQI
87AQI
22nd April 2025
57AQI
57AQI
23rd April 2025
71AQI
71AQI
24th April 2025
64AQI
64AQI
25th April 2025
45AQI
45AQI
26th April 2025
57AQI
57AQI
27th April 2025
81AQI
81AQI
28th April 2025
97AQI
97AQI
29th April 2025
103AQI
103AQI
30th April 2025
100AQI
100AQI
1st May 2025
94AQI
94AQI
2nd May 2025
82AQI
82AQI
3rd May 2025
71AQI
71AQI
4th May 2025
50AQI
50AQI
5th May 2025
58AQI
58AQI
6th May 2025
60AQI
60AQI
7th May 2025
71AQI
71AQI
8th May 2025
71AQI
71AQI
9th May 2025
64AQI
64AQI
10th May 2025
64AQI
64AQI
11th May 2025
76AQI
76AQI
12th May 2025
112AQI
112AQI
13th May 2025
92AQI
92AQI
14th May 2025
87AQI
87AQI
15th May 2025
111AQI
111AQI
16th May 2025
69AQI
69AQI
17th May 2025
70AQI
70AQI
18th May 2025
62AQI
62AQI
19th May 2025
60AQI
60AQI
20th May 2025
76AQI
76AQI
21st May 2025
62AQI
62AQI
22nd May 2025
55AQI
55AQI
23rd May 2025
55AQI
55AQI
24th May 2025
54AQI
54AQI
25th May 2025
54AQI
54AQI
26th May 2025
64AQI
64AQI
27th May 2025
71AQI
71AQI
28th May 2025
79AQI
79AQI
29th May 2025
79AQI
79AQI
30th May 2025
79AQI
79AQI
31st May 2025
91AQI
91AQI
1st June 2025
58AQI
58AQI
2nd June 2025
79AQI
79AQI
3rd June 2025
51AQI
51AQI
4th June 2025
53AQI
53AQI
5th June 2025
42AQI
42AQI
6th June 2025
34AQI
34AQI
7th June 2025
41AQI
41AQI
8th June 2025
52AQI
52AQI
9th June 2025
41AQI
41AQI
10th June 2025
39AQI
39AQI
11th June 2025
42AQI
42AQI
12th June 2025
53AQI
53AQI
13th June 2025
64AQI
64AQI
14th June 2025
44AQI
44AQI
15th June 2025
62AQI
62AQI
16th June 2025
59AQI
59AQI
17th June 2025
48AQI
48AQI
18th June 2025
62AQI
62AQI
19th June 2025
53AQI
53AQI
20th June 2025
45AQI
45AQI
21st June 2025
39AQI
39AQI
22nd June 2025
29AQI
29AQI
23rd June 2025
45AQI
45AQI
24th June 2025
56AQI
56AQI
25th June 2025
60AQI
60AQI
26th June 2025
68AQI
68AQI
27th June 2025
72AQI
72AQI
28th June 2025
54AQI
54AQI
29th June 2025
61AQI
61AQI
30th June 2025
61AQI
61AQI
1st July 2025
52AQI
52AQI
2nd July 2025
54AQI
54AQI
3rd July 2025
59AQI
59AQI
4th July 2025
51AQI
51AQI
5th July 2025
46AQI
46AQI
6th July 2025
48AQI
48AQI
7th July 2025
51AQI
51AQI
8th July 2025
48AQI
48AQI
9th July 2025
63AQI
63AQI
10th July 2025
61AQI
61AQI
11th July 2025
65AQI
65AQI
12th July 2025
58AQI
58AQI
13th July 2025
48AQI
48AQI
14th July 2025
45AQI
45AQI
15th July 2025
51AQI
51AQI
16th July 2025
43AQI
43AQI
17th July 2025
52AQI
52AQI
18th July 2025
46AQI
46AQI
19th July 2025
49AQI
49AQI
20th July 2025
42AQI
42AQI
21st July 2025
40AQI
40AQI
22nd July 2025
55AQI
55AQI
23rd July 2025
50AQI
50AQI
24th July 2025
52AQI
52AQI
25th July 2025
40AQI
40AQI
26th July 2025
45AQI
45AQI
27th July 2025
46AQI
46AQI
28th July 2025
44AQI
44AQI
29th July 2025
42AQI
42AQI
30th July 2025
42AQI
42AQI
31st July 2025
44AQI
44AQI
1st August 2025
48AQI
48AQI
2nd August 2025
51AQI
51AQI
3rd August 2025
40AQI
40AQI
4th August 2025
41AQI
41AQI
5th August 2025
40AQI
40AQI
6th August 2025
37AQI
37AQI
7th August 2025
30AQI
30AQI
8th August 2025
37AQI
37AQI
172AQI
115AQI
90AQI
98AQI
72AQI
52AQI
49AQI
41AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202591AQI
8
17
6
13
11
4
1
23
5
1
1
1
18
8
3
1
28
2
12
18
18
13
7
1
40
114
34
25
7
Highest AQI recorded in
January172AQI
Lowest AQI recorded in
August41AQI
202497AQI
2
14
9
5
1
6
9
6
3
1
20
11
10
14
1
5
7
17
7
14
15
1
8
15
6
2
21
10
19
11
3
19
9
5
13
8
4
10
20
1
72
140
104
27
17
2
Highest AQI recorded in
January159AQI
Lowest AQI recorded in
August45AQI
202395AQI
2
14
8
6
1
5
11
10
2
1
13
10
5
2
14
9
4
3
5
22
2
1
1
9
19
2
17
12
2
26
5
16
14
7
17
6
1
1
11
12
5
8
10
10
3
82
142
78
44
17
1
Highest AQI recorded in
January159AQI
Lowest AQI recorded in
August40AQI
202299AQI
9
13
4
5
5
4
9
3
3
17
9
2
1
13
9
5
2
7
20
3
1
15
15
12
12
1
1
11
15
2
8
13
8
2
9
14
7
1
16
10
1
3
59
136
68
40
12
5
Highest AQI recorded in
January194AQI
Lowest AQI recorded in
June50AQI
202191AQI
1
18
10
2
1
4
5
3
2
14
12
4
1
11
13
3
3
4
20
7
9
20
1
7
23
1
17
11
2
20
10
6
21
2
2
11
9
10
8
21
2
64
154
91
34
8
Highest AQI recorded in
January152AQI
Lowest AQI recorded in
September46AQI
202077AQI
9
3
1
3
9
2
5
2
6
11
1
23
6
1
11
18
2
21
10
17
13
7
21
1
1
1
3
12
9
6
2
21
7
1
91
111
40
20
2
2
Highest AQI recorded in
April143AQI
Lowest AQI recorded in
June43AQI
Most & Least Polluted Years Over the Last 6 Years
Most Polluted Year Recorded
2022(Avg.)
99AQILeast Polluted Year Recorded
2020(Avg.)
77AQIHulan Normal College's annual 2025 AQI (91) shows an average percentage change of -0.5% (improved AQI) compared to previous years: 2020 (77), 2021 (91), 2022 (99), 2023 (95), 2024 (97).
