Department Of Transportation, Heihe, 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
Department Of Transportation, Heihe, Heilongjiang, China
2021
2022
2023
2024
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
20th Aug 2024
71AQILowest AQI recorded on
12th Aug 2023
20AQISame Day Analysis (3rd August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 1st highest AQI at 52 of Moderate air quality on the same day.
Download 2024 Annual Data
World Air Quality Report
Day & Night AQI Trend: 3rd Aug - 4th Aug 2025
Department Of Transportation, Heihe, Heilongjiang, China
AQI
Day
Night
.
4 AM3rd Aug 2025
8 PM
3 AM4th Aug 2025
Day time
Avg. Highest Time
12AMNaNth undefined
AQI
Avg. Lowest Time
12AMNaNth undefined
AQI
Night time
Avg. Highest Time
4AM3rd Aug
53AQI
Avg. Lowest Time
6PM3rd Aug
38AQI
In the last 24 hours,
Department Of Transportation's AQI reached its highest point of 53 at 4 AM during the Night, while the lowest point, 38, was recorded at 6 PM during the Night between 3rd Aug and 4th Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Department Of Transportation, Heihe, Heilongjiang, China
JulAug
05th - 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 - 03rd03rd - 04th04th
Day
Night
5th Jul 2025564 AMAQI
5th Jul 2025565 AMAQI
5th Jul 2025566 AMAQI
5th Jul 2025557 AMAQI
5th Jul 2025538 AMAQI
5th Jul 2025379 AMAQI
5th Jul 20253410 AMAQI
5th Jul 20253711 AMAQI
5th Jul 20254212 PMAQI
5th Jul 2025561 PMAQI
5th Jul 2025462 PMAQI
5th Jul 2025403 PMAQI
5th Jul 2025334 PMAQI
5th Jul 2025345 PMAQI
5th Jul 2025406 PMAQI
5th Jul 2025417 PMAQI
5th Jul 2025528 PMAQI
5th Jul 2025529 PMAQI
5th Jul 20255210 PMAQI
5th Jul 20255211 PMAQI
6th Jul 20255312 AMAQI
6th Jul 2025561 AMAQI
6th Jul 2025542 AMAQI
6th Jul 2025543 AMAQI
22°C18/27°C
6th Jul 2025544 AMAQI
6th Jul 2025545 AMAQI
6th Jul 2025516 AMAQI
6th Jul 2025527 AMAQI
6th Jul 2025368 AMAQI
6th Jul 2025269 AMAQI
6th Jul 20252410 AMAQI
6th Jul 20252511 AMAQI
6th Jul 20253312 PMAQI
6th Jul 2025331 PMAQI
6th Jul 2025342 PMAQI
6th Jul 2025373 PMAQI
6th Jul 2025354 PMAQI
6th Jul 2025355 PMAQI
6th Jul 2025366 PMAQI
6th Jul 2025387 PMAQI
6th Jul 2025468 PMAQI
6th Jul 2025529 PMAQI
6th Jul 20255110 PMAQI
6th Jul 20255211 PMAQI
7th Jul 20255412 AMAQI
7th Jul 2025541 AMAQI
7th Jul 2025552 AMAQI
7th Jul 2025533 AMAQI
19°C13/25°C
7th Jul 2025524 AMAQI
7th Jul 2025485 AMAQI
7th Jul 2025476 AMAQI
7th Jul 2025457 AMAQI
7th Jul 2025488 AMAQI
7th Jul 2025469 AMAQI
7th Jul 20254210 AMAQI
7th Jul 20253811 AMAQI
7th Jul 20254112 PMAQI
7th Jul 2025501 PMAQI
7th Jul 2025442 PMAQI
7th Jul 2025483 PMAQI
7th Jul 2025564 PMAQI
7th Jul 2025525 PMAQI
7th Jul 2025506 PMAQI
7th Jul 2025557 PMAQI
7th Jul 2025538 PMAQI
7th Jul 2025549 PMAQI
7th Jul 20255310 PMAQI
7th Jul 20255411 PMAQI
8th Jul 20255612 AMAQI
8th Jul 2025571 AMAQI
8th Jul 2025552 AMAQI
8th Jul 2025563 AMAQI
18°C13/24°C
8th Jul 2025544 AMAQI
8th Jul 2025545 AMAQI
8th Jul 2025536 AMAQI
8th Jul 2025547 AMAQI
8th Jul 2025508 AMAQI
8th Jul 2025559 AMAQI
8th Jul 20254810 AMAQI
8th Jul 20254311 AMAQI
8th Jul 20253912 PMAQI
8th Jul 2025441 PMAQI
8th Jul 2025362 PMAQI
8th Jul 2025393 PMAQI
8th Jul 2025374 PMAQI
8th Jul 2025425 PMAQI
8th Jul 2025556 PMAQI
8th Jul 2025507 PMAQI
8th Jul 2025548 PMAQI
8th Jul 2025539 PMAQI
8th Jul 20255210 PMAQI
8th Jul 20255211 PMAQI
9th Jul 20255112 AMAQI
9th Jul 2025551 AMAQI
9th Jul 2025562 AMAQI
9th Jul 2025553 AMAQI
20°C13/25°C
9th Jul 2025534 AMAQI
9th Jul 2025525 AMAQI
9th Jul 2025536 AMAQI
9th Jul 2025527 AMAQI
9th Jul 2025518 AMAQI
9th Jul 2025409 AMAQI
9th Jul 20254510 AMAQI
9th Jul 20254111 AMAQI
9th Jul 20254712 PMAQI
9th Jul 2025481 PMAQI
9th Jul 2025492 PMAQI
9th Jul 2025513 PMAQI
9th Jul 2025494 PMAQI
9th Jul 2025475 PMAQI
9th Jul 2025526 PMAQI
9th Jul 2025547 PMAQI
9th Jul 2025558 PMAQI
9th Jul 2025559 PMAQI
9th Jul 20255510 PMAQI
9th Jul 20255411 PMAQI
10th Jul 20255412 AMAQI
10th Jul 2025551 AMAQI
10th Jul 2025542 AMAQI
10th Jul 2025543 AMAQI
21°C17/26°C
10th Jul 2025534 AMAQI
10th Jul 2025535 AMAQI
10th Jul 2025546 AMAQI
10th Jul 2025537 AMAQI
10th Jul 2025448 AMAQI
10th Jul 2025409 AMAQI
10th Jul 20254110 AMAQI
10th Jul 20253811 AMAQI
10th Jul 20254912 PMAQI
10th Jul 2025511 PMAQI
10th Jul 2025502 PMAQI
10th Jul 2025513 PMAQI
10th Jul 2025524 PMAQI
10th Jul 2025525 PMAQI
10th Jul 2025496 PMAQI
10th Jul 2025537 PMAQI
10th Jul 2025658 PMAQI
10th Jul 2025619 PMAQI
10th Jul 20255410 PMAQI
10th Jul 20255211 PMAQI
11th Jul 20255312 AMAQI
11th Jul 2025551 AMAQI
11th Jul 2025542 AMAQI
11th Jul 2025553 AMAQI
22°C16/29°C
11th Jul 2025574 AMAQI
11th Jul 2025555 AMAQI
11th Jul 2025546 AMAQI
11th Jul 2025547 AMAQI
11th Jul 2025598 AMAQI
11th Jul 2025579 AMAQI
11th Jul 20255510 AMAQI
11th Jul 20255011 AMAQI
11th Jul 20255312 PMAQI
11th Jul 2025551 PMAQI
11th Jul 2025562 PMAQI
11th Jul 2025553 PMAQI
11th Jul 2025604 PMAQI
11th Jul 2025625 PMAQI
11th Jul 2025646 PMAQI
11th Jul 2025607 PMAQI
11th Jul 2025608 PMAQI
11th Jul 2025619 PMAQI
11th Jul 20255810 PMAQI
11th Jul 20255811 PMAQI
12th Jul 20255512 AMAQI
12th Jul 2025561 AMAQI
12th Jul 2025562 AMAQI
12th Jul 2025553 AMAQI
27°C19/35°C
12th Jul 2025554 AMAQI
12th Jul 2025555 AMAQI
12th Jul 2025556 AMAQI
12th Jul 2025557 AMAQI
12th Jul 2025568 AMAQI
12th Jul 2025539 AMAQI
12th Jul 20255010 AMAQI
12th Jul 20254811 AMAQI
12th Jul 20255212 PMAQI
12th Jul 2025501 PMAQI
12th Jul 2025542 PMAQI
12th Jul 2025493 PMAQI
12th Jul 2025544 PMAQI
12th Jul 2025525 PMAQI
12th Jul 2025526 PMAQI
12th Jul 2025567 PMAQI
12th Jul 2025568 PMAQI
12th Jul 2025579 PMAQI
12th Jul 20255710 PMAQI
12th Jul 20255511 PMAQI
13th Jul 20255512 AMAQI
13th Jul 2025541 AMAQI
13th Jul 2025552 AMAQI
13th Jul 2025553 AMAQI
23°C19/28°C
13th Jul 2025554 AMAQI
13th Jul 2025545 AMAQI
13th Jul 2025556 AMAQI
13th Jul 2025557 AMAQI
13th Jul 2025508 AMAQI
13th Jul 2025399 AMAQI
13th Jul 20253310 AMAQI
13th Jul 20252911 AMAQI
13th Jul 20253612 PMAQI
13th Jul 2025361 PMAQI
13th Jul 2025382 PMAQI
13th Jul 2025413 PMAQI
13th Jul 2025384 PMAQI
13th Jul 2025465 PMAQI
13th Jul 2025406 PMAQI
13th Jul 2025487 PMAQI
13th Jul 2025538 PMAQI
13th Jul 2025529 PMAQI
13th Jul 20255410 PMAQI
13th Jul 20255611 PMAQI
14th Jul 20255312 AMAQI
14th Jul 2025541 AMAQI
14th Jul 2025552 AMAQI
14th Jul 2025543 AMAQI
22°C17/28°C
14th Jul 2025534 AMAQI
14th Jul 2025535 AMAQI
14th Jul 2025536 AMAQI
14th Jul 2025537 AMAQI
14th Jul 2025518 AMAQI
14th Jul 2025479 AMAQI
14th Jul 20254210 AMAQI
14th Jul 20254511 AMAQI
14th Jul 20255012 PMAQI
14th Jul 2025441 PMAQI
14th Jul 2025432 PMAQI
14th Jul 2025343 PMAQI
14th Jul 2025404 PMAQI
14th Jul 2025325 PMAQI
14th Jul 2025306 PMAQI
14th Jul 2025437 PMAQI
14th Jul 2025538 PMAQI
14th Jul 2025549 PMAQI
14th Jul 20256210 PMAQI
14th Jul 20256011 PMAQI
15th Jul 20255612 AMAQI
15th Jul 2025551 AMAQI
15th Jul 2025542 AMAQI
15th Jul 2025543 AMAQI
22°C15/29°C
15th Jul 2025534 AMAQI
15th Jul 2025545 AMAQI
15th Jul 2025546 AMAQI
15th Jul 2025547 AMAQI
15th Jul 2025448 AMAQI
15th Jul 2025339 AMAQI
15th Jul 20252410 AMAQI
15th Jul 20252911 AMAQI
15th Jul 20253212 PMAQI
15th Jul 2025321 PMAQI
15th Jul 2025332 PMAQI
15th Jul 2025443 PMAQI
15th Jul 2025364 PMAQI
15th Jul 2025485 PMAQI
15th Jul 2025416 PMAQI
15th Jul 2025527 PMAQI
15th Jul 2025528 PMAQI
15th Jul 2025569 PMAQI
15th Jul 20255410 PMAQI
15th Jul 20255411 PMAQI
16th Jul 20255112 AMAQI
16th Jul 2025491 AMAQI
16th Jul 2025512 AMAQI
16th Jul 2025523 AMAQI
23°C15/31°C
16th Jul 2025524 AMAQI
16th Jul 2025535 AMAQI
16th Jul 2025536 AMAQI
16th Jul 2025537 AMAQI
16th Jul 2025478 AMAQI
16th Jul 2025389 AMAQI
16th Jul 20253810 AMAQI
16th Jul 20254011 AMAQI
16th Jul 20253712 PMAQI
16th Jul 2025361 PMAQI
16th Jul 2025402 PMAQI
16th Jul 2025393 PMAQI
16th Jul 2025294 PMAQI
16th Jul 2025275 PMAQI
16th Jul 2025296 PMAQI
16th Jul 2025387 PMAQI
16th Jul 2025508 PMAQI
16th Jul 2025529 PMAQI
16th Jul 20255210 PMAQI
16th Jul 20255411 PMAQI
17th Jul 20255112 AMAQI
17th Jul 2025521 AMAQI
17th Jul 2025522 AMAQI
17th Jul 2025533 AMAQI
23°C18/30°C
17th Jul 2025524 AMAQI
17th Jul 2025525 AMAQI
17th Jul 2025526 AMAQI
17th Jul 2025527 AMAQI
17th Jul 2025458 AMAQI
17th Jul 2025439 AMAQI
17th Jul 20253710 AMAQI
17th Jul 20254411 AMAQI
17th Jul 20254212 PMAQI
17th Jul 2025421 PMAQI
17th Jul 2025412 PMAQI
17th Jul 2025423 PMAQI
17th Jul 2025384 PMAQI
17th Jul 2025405 PMAQI
17th Jul 2025406 PMAQI
17th Jul 2025447 PMAQI
17th Jul 2025508 PMAQI
17th Jul 2025529 PMAQI
17th Jul 20255110 PMAQI
17th Jul 20255111 PMAQI
18th Jul 20255412 AMAQI
18th Jul 2025501 AMAQI
18th Jul 2025522 AMAQI
18th Jul 2025513 AMAQI
23°C18/27°C
18th Jul 2025484 AMAQI
18th Jul 2025505 AMAQI
18th Jul 2025516 AMAQI
18th Jul 2025517 AMAQI
18th Jul 2025558 AMAQI
18th Jul 2025549 AMAQI
18th Jul 20255510 AMAQI
18th Jul 20255311 AMAQI
18th Jul 20254912 PMAQI
18th Jul 2025411 PMAQI
18th Jul 2025392 PMAQI
18th Jul 2025373 PMAQI
18th Jul 2025404 PMAQI
18th Jul 2025445 PMAQI
18th Jul 2025546 PMAQI
18th Jul 2025467 PMAQI
18th Jul 2025468 PMAQI
18th Jul 2025489 PMAQI
18th Jul 20255210 PMAQI
18th Jul 20255211 PMAQI
19th Jul 20255212 AMAQI
19th Jul 2025521 AMAQI
19th Jul 2025512 AMAQI
19th Jul 2025503 AMAQI
22°C19/27°C
19th Jul 2025524 AMAQI
19th Jul 2025525 AMAQI
19th Jul 2025526 AMAQI
19th Jul 2025527 AMAQI
19th Jul 2025528 AMAQI
19th Jul 2025489 AMAQI
19th Jul 20254110 AMAQI
19th Jul 20254111 AMAQI
19th Jul 20253812 PMAQI
19th Jul 2025341 PMAQI
19th Jul 2025352 PMAQI
19th Jul 2025363 PMAQI
19th Jul 2025404 PMAQI
19th Jul 2025345 PMAQI
19th Jul 2025366 PMAQI
19th Jul 2025437 PMAQI
19th Jul 2025518 PMAQI
19th Jul 2025529 PMAQI
19th Jul 20255210 PMAQI
19th Jul 20255211 PMAQI
20th Jul 20255512 AMAQI
20th Jul 2025541 AMAQI
20th Jul 2025532 AMAQI
20th Jul 2025523 AMAQI
24°C18/32°C
20th Jul 2025524 AMAQI
20th Jul 2025525 AMAQI
20th Jul 2025536 AMAQI
20th Jul 2025537 AMAQI
20th Jul 2025518 AMAQI
20th Jul 2025439 AMAQI
20th Jul 20254610 AMAQI
20th Jul 20254211 AMAQI
20th Jul 20253712 PMAQI
20th Jul 2025351 PMAQI
20th Jul 2025382 PMAQI
20th Jul 2025333 PMAQI
20th Jul 2025364 PMAQI
20th Jul 2025335 PMAQI
20th Jul 2025406 PMAQI
20th Jul 2025417 PMAQI
20th Jul 2025488 PMAQI
20th Jul 2025489 PMAQI
20th Jul 20255010 PMAQI
20th Jul 20255011 PMAQI
21st Jul 20255612 AMAQI
21st Jul 2025531 AMAQI
21st Jul 2025542 AMAQI
21st Jul 2025533 AMAQI
22°C18/27°C
21st Jul 2025524 AMAQI
21st Jul 2025515 AMAQI
21st Jul 2025516 AMAQI
21st Jul 2025517 AMAQI
21st Jul 2025438 AMAQI
21st Jul 2025409 AMAQI
21st Jul 20253810 AMAQI
21st Jul 20253611 AMAQI
21st Jul 20253512 PMAQI
21st Jul 2025391 PMAQI
21st Jul 2025342 PMAQI
21st Jul 2025383 PMAQI
21st Jul 2025414 PMAQI
21st Jul 2025405 PMAQI
21st Jul 2025456 PMAQI
21st Jul 2025547 PMAQI
21st Jul 2025518 PMAQI
21st Jul 2025489 PMAQI
21st Jul 20254710 PMAQI
21st Jul 20254411 PMAQI
22nd Jul 20254412 AMAQI
22nd Jul 2025481 AMAQI
22nd Jul 2025502 AMAQI
22nd Jul 2025513 AMAQI
22°C19/28°C
22nd Jul 2025484 AMAQI
22nd Jul 2025505 AMAQI
22nd Jul 2025506 AMAQI
22nd Jul 2025507 AMAQI
22nd Jul 2025398 AMAQI
22nd Jul 2025369 AMAQI
22nd Jul 20252910 AMAQI
22nd Jul 20253811 AMAQI
22nd Jul 20254012 PMAQI
22nd Jul 2025501 PMAQI
22nd Jul 2025512 PMAQI
22nd Jul 2025543 PMAQI
22nd Jul 2025644 PMAQI
22nd Jul 2025615 PMAQI
22nd Jul 2025546 PMAQI
22nd Jul 2025587 PMAQI
22nd Jul 2025568 PMAQI
22nd Jul 2025549 PMAQI
22nd Jul 20255510 PMAQI
22nd Jul 20255311 PMAQI
23rd Jul 20254812 AMAQI
23rd Jul 2025421 AMAQI
23rd Jul 2025402 AMAQI
23rd Jul 2025403 AMAQI
24°C17/31°C
23rd Jul 2025414 AMAQI
23rd Jul 2025505 AMAQI
23rd Jul 2025506 AMAQI
23rd Jul 2025507 AMAQI
23rd Jul 2025518 AMAQI
23rd Jul 2025449 AMAQI
23rd Jul 20254010 AMAQI
23rd Jul 20253811 AMAQI
23rd Jul 20254812 PMAQI
23rd Jul 2025541 PMAQI
23rd Jul 2025482 PMAQI
23rd Jul 2025563 PMAQI
23rd Jul 2025544 PMAQI
23rd Jul 2025525 PMAQI
23rd Jul 2025546 PMAQI
23rd Jul 2025507 PMAQI
23rd Jul 2025528 PMAQI
23rd Jul 2025549 PMAQI
23rd Jul 20255210 PMAQI
23rd Jul 20254811 PMAQI
24th Jul 20254712 AMAQI
24th Jul 2025511 AMAQI
24th Jul 2025502 AMAQI
24th Jul 2025483 AMAQI
26°C20/31°C
24th Jul 2025424 AMAQI
24th Jul 2025505 AMAQI
24th Jul 2025506 AMAQI
24th Jul 2025517 AMAQI
24th Jul 2025438 AMAQI
24th Jul 2025509 AMAQI
24th Jul 20254310 AMAQI
24th Jul 20255411 AMAQI
24th Jul 20255612 PMAQI
24th Jul 2025551 PMAQI
24th Jul 2025552 PMAQI
24th Jul 2025543 PMAQI
24th Jul 2025524 PMAQI
24th Jul 2025565 PMAQI
24th Jul 2025556 PMAQI
24th Jul 2025597 PMAQI
24th Jul 2025578 PMAQI
24th Jul 2025589 PMAQI
24th Jul 20255310 PMAQI
24th Jul 20255311 PMAQI
25th Jul 20254512 AMAQI
25th Jul 2025461 AMAQI
25th Jul 2025512 AMAQI
25th Jul 2025463 AMAQI
26°C20/33°C
25th Jul 2025494 AMAQI
25th Jul 2025505 AMAQI
25th Jul 2025556 AMAQI
25th Jul 2025557 AMAQI
25th Jul 2025488 AMAQI
25th Jul 2025469 AMAQI
25th Jul 20255310 AMAQI
25th Jul 20253611 AMAQI
25th Jul 20253612 PMAQI
25th Jul 2025321 PMAQI
25th Jul 2025282 PMAQI
25th Jul 2025283 PMAQI
25th Jul 2025404 PMAQI
25th Jul 2025345 PMAQI
25th Jul 2025506 PMAQI
25th Jul 2025577 PMAQI
25th Jul 2025538 PMAQI
25th Jul 2025549 PMAQI
25th Jul 20255210 PMAQI
25th Jul 20255111 PMAQI
26th Jul 20255212 AMAQI
26th Jul 2025481 AMAQI
26th Jul 2025502 AMAQI
26th Jul 2025513 AMAQI
25°C17/32°C
26th Jul 2025524 AMAQI
26th Jul 2025525 AMAQI
26th Jul 2025536 AMAQI
26th Jul 2025527 AMAQI
26th Jul 2025548 AMAQI
26th Jul 2025539 AMAQI
26th Jul 20255310 AMAQI
26th Jul 20255011 AMAQI
26th Jul 20254912 PMAQI
26th Jul 2025491 PMAQI
26th Jul 2025502 PMAQI
26th Jul 2025523 PMAQI
26th Jul 2025514 PMAQI
26th Jul 2025505 PMAQI
26th Jul 2025526 PMAQI
26th Jul 2025467 PMAQI
26th Jul 2025528 PMAQI
26th Jul 2025539 PMAQI
26th Jul 20255210 PMAQI
26th Jul 20255111 PMAQI
27th Jul 20255412 AMAQI
27th Jul 2025521 AMAQI
27th Jul 2025532 AMAQI
27th Jul 2025533 AMAQI
24°C18/32°C
27th Jul 2025524 AMAQI
27th Jul 2025525 AMAQI
27th Jul 2025526 AMAQI
27th Jul 2025527 AMAQI
27th Jul 2025538 AMAQI
27th Jul 2025469 AMAQI
27th Jul 20255410 AMAQI
27th Jul 20254911 AMAQI
27th Jul 20254412 PMAQI
27th Jul 2025421 PMAQI
27th Jul 2025492 PMAQI
27th Jul 2025413 PMAQI
27th Jul 2025404 PMAQI
27th Jul 2025395 PMAQI
27th Jul 2025396 PMAQI
27th Jul 2025397 PMAQI
27th Jul 2025528 PMAQI
27th Jul 2025529 PMAQI
27th Jul 20255010 PMAQI
27th Jul 20255211 PMAQI
28th Jul 20255012 AMAQI
28th Jul 2025511 AMAQI
28th Jul 2025512 AMAQI
28th Jul 2025523 AMAQI
22°C16/28°C
28th Jul 2025474 AMAQI
28th Jul 2025485 AMAQI
28th Jul 2025506 AMAQI
28th Jul 2025517 AMAQI
28th Jul 2025408 AMAQI
28th Jul 2025339 AMAQI
28th Jul 20253110 AMAQI
28th Jul 20252711 AMAQI
28th Jul 20253012 PMAQI
28th Jul 2025331 PMAQI
28th Jul 2025432 PMAQI
28th Jul 2025423 PMAQI
28th Jul 2025484 PMAQI
28th Jul 2025345 PMAQI
28th Jul 2025296 PMAQI
28th Jul 2025437 PMAQI
28th Jul 2025498 PMAQI
28th Jul 2025539 PMAQI
28th Jul 20254810 PMAQI
28th Jul 20254511 PMAQI
29th Jul 20255012 AMAQI
29th Jul 2025531 AMAQI
29th Jul 2025542 AMAQI
29th Jul 2025523 AMAQI
24°C17/30°C
29th Jul 2025494 AMAQI
29th Jul 2025465 AMAQI
29th Jul 2025506 AMAQI
29th Jul 2025467 AMAQI
29th Jul 2025418 AMAQI
29th Jul 2025479 AMAQI
29th Jul 20254510 AMAQI
29th Jul 20255811 AMAQI
29th Jul 20256212 PMAQI
29th Jul 2025521 PMAQI
29th Jul 2025482 PMAQI
29th Jul 2025363 PMAQI
29th Jul 2025384 PMAQI
29th Jul 2025385 PMAQI
29th Jul 2025336 PMAQI
29th Jul 2025457 PMAQI
29th Jul 2025528 PMAQI
29th Jul 2025419 PMAQI
29th Jul 20254410 PMAQI
29th Jul 20254611 PMAQI
30th Jul 20255112 AMAQI
30th Jul 2025491 AMAQI
30th Jul 2025542 AMAQI
30th Jul 2025583 AMAQI
19°C17/22°C
30th Jul 2025534 AMAQI
30th Jul 2025525 AMAQI
30th Jul 2025516 AMAQI
30th Jul 2025517 AMAQI
30th Jul 2025368 AMAQI
30th Jul 2025449 AMAQI
30th Jul 20252810 AMAQI
30th Jul 20253211 AMAQI
30th Jul 20254912 PMAQI
30th Jul 2025381 PMAQI
30th Jul 2025342 PMAQI
30th Jul 2025283 PMAQI
30th Jul 2025344 PMAQI
30th Jul 2025335 PMAQI
30th Jul 2025366 PMAQI
30th Jul 2025337 PMAQI
30th Jul 2025388 PMAQI
30th Jul 2025429 PMAQI
30th Jul 20254310 PMAQI
30th Jul 20254311 PMAQI
31st Jul 20254612 AMAQI
31st Jul 2025481 AMAQI
31st Jul 2025502 AMAQI
31st Jul 2025543 AMAQI
20°C14/25°C
31st Jul 2025544 AMAQI
31st Jul 2025545 AMAQI
31st Jul 2025546 AMAQI
31st Jul 2025547 AMAQI
31st Jul 2025548 AMAQI
31st Jul 2025549 AMAQI
31st Jul 20253610 AMAQI
31st Jul 20253011 AMAQI
31st Jul 20253212 PMAQI
31st Jul 2025391 PMAQI
31st Jul 2025382 PMAQI
31st Jul 2025423 PMAQI
31st Jul 2025334 PMAQI
31st Jul 2025305 PMAQI
31st Jul 2025346 PMAQI
31st Jul 2025397 PMAQI
31st Jul 2025568 PMAQI
31st Jul 2025579 PMAQI
31st Jul 20255510 PMAQI
31st Jul 20255411 PMAQI
1st Aug 20255212 AMAQI
1st Aug 2025481 AMAQI
1st Aug 2025492 AMAQI
1st Aug 2025483 AMAQI
20°C13/27°C
1st Aug 2025464 AMAQI
1st Aug 2025465 AMAQI
1st Aug 2025486 AMAQI
1st Aug 2025467 AMAQI
1st Aug 2025488 AMAQI
1st Aug 2025489 AMAQI
1st Aug 20254610 AMAQI
1st Aug 20254611 AMAQI
1st Aug 20254112 PMAQI
1st Aug 2025441 PMAQI
1st Aug 2025502 PMAQI
1st Aug 2025373 PMAQI
1st Aug 2025464 PMAQI
1st Aug 2025625 PMAQI
1st Aug 2025486 PMAQI
1st Aug 2025557 PMAQI
1st Aug 2025768 PMAQI
1st Aug 2025689 PMAQI
1st Aug 20255410 PMAQI
1st Aug 20256511 PMAQI
2nd Aug 20258112 AMAQI
2nd Aug 2025571 AMAQI
2nd Aug 2025482 AMAQI
2nd Aug 2025483 AMAQI
21°C15/26°C
2nd Aug 2025484 AMAQI
2nd Aug 2025485 AMAQI
2nd Aug 2025466 AMAQI
2nd Aug 2025487 AMAQI
2nd Aug 2025598 AMAQI
2nd Aug 2025599 AMAQI
2nd Aug 20256010 AMAQI
2nd Aug 20255411 AMAQI
2nd Aug 20255812 PMAQI
2nd Aug 2025531 PMAQI
2nd Aug 2025812 PMAQI
2nd Aug 2025663 PMAQI
2nd Aug 2025544 PMAQI
2nd Aug 2025465 PMAQI
2nd Aug 2025586 PMAQI
2nd Aug 2025537 PMAQI
2nd Aug 2025588 PMAQI
2nd Aug 2025589 PMAQI
2nd Aug 20255410 PMAQI
2nd Aug 20255211 PMAQI
3rd Aug 20254812 AMAQI
3rd Aug 2025521 AMAQI
3rd Aug 2025522 AMAQI
3rd Aug 2025523 AMAQI
21°C15/27°C
3rd Aug 2025534 AMAQI
3rd Aug 2025525 AMAQI
3rd Aug 2025536 AMAQI
3rd Aug 2025517 AMAQI
3rd Aug 2025458 AMAQI
3rd Aug 2025429 AMAQI
3rd Aug 20254610 AMAQI
3rd Aug 20254911 AMAQI
3rd Aug 20255212 PMAQI
3rd Aug 2025471 PMAQI
3rd Aug 2025382 PMAQI
3rd Aug 2025403 PMAQI
3rd Aug 2025464 PMAQI
3rd Aug 2025385 PMAQI
3rd Aug 2025386 PMAQI
3rd Aug 2025407 PMAQI
3rd Aug 2025468 PMAQI
3rd Aug 2025469 PMAQI
3rd Aug 20255110 PMAQI
3rd Aug 20255211 PMAQI
4th Aug 20255212 AMAQI
4th Aug 2025521 AMAQI
4th Aug 2025512 AMAQI
4th Aug 2025493 AMAQI
--°C/°C
4th Aug 2025504 AMAQI
4 AM12 PM
8 PM
12 AM
3 AM
--°C/°C
Day time
Avg. Highest Time
8 PM
53AQI
1 hours / Day
30 hours / Month
Avg. Lowest Time
10 AM - 11 AM
42AQI
2 hours / Day
60 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 8 PM to 8 PM (Avg. 53), while the lowest AQI was between 10 AM to 11 AM (Avg. 42).
Night time
Avg. Highest Time
12 AM - 11 PM
52AQI
7 hours / Day
210 hours / Month
Avg. Lowest Time
12 AM - 11 PM
52AQI
7 hours / Day
210 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 12 AM to 11 PM (Avg. 52), while the lowest AQI was between 12 AM to 11 PM (Avg. 52).
2025 Days Vs Air Quality
Department Of Transportation, Heihe, Heilongjiang, China
2025
14%
30
59%
126
20%
43
7%
14
0.9%
2
Total number of days with different AQI categories in last 215 days in 2025 (150 days remaining)
Good
30 DaysModerate
126 DaysPoor
43 DaysUnhealthy
14 DaysSevere
2 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 14%
Health Risk Level:
Extreme
In 2025, 14% of 215 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
Department Of Transportation, Heihe, 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
136AQI
136AQI
2nd January 2025
135AQI
135AQI
3rd January 2025
124AQI
124AQI
4th January 2025
166AQI
166AQI
5th January 2025
139AQI
139AQI
6th January 2025
162AQI
162AQI
7th January 2025
146AQI
146AQI
8th January 2025
112AQI
112AQI
9th January 2025
121AQI
121AQI
10th January 2025
141AQI
141AQI
11th January 2025
165AQI
165AQI
12th January 2025
178AQI
178AQI
13th January 2025
173AQI
173AQI
14th January 2025
189AQI
189AQI
15th January 2025
133AQI
133AQI
16th January 2025
118AQI
118AQI
17th January 2025
152AQI
152AQI
18th January 2025
137AQI
137AQI
19th January 2025
168AQI
168AQI
20th January 2025
173AQI
173AQI
21st January 2025
161AQI
161AQI
22nd January 2025
151AQI
151AQI
23rd January 2025
210AQI
210AQI
24th January 2025
196AQI
196AQI
25th January 2025
219AQI
219AQI
26th January 2025
190AQI
190AQI
27th January 2025
132AQI
132AQI
28th January 2025
126AQI
126AQI
29th January 2025
113AQI
113AQI
30th January 2025
101AQI
101AQI
31st January 2025
119AQI
119AQI
1st February 2025
131AQI
131AQI
2nd February 2025
161AQI
161AQI
3rd February 2025
145AQI
145AQI
4th February 2025
120AQI
120AQI
5th February 2025
117AQI
117AQI
6th February 2025
103AQI
103AQI
7th February 2025
95AQI
95AQI
8th February 2025
91AQI
91AQI
9th February 2025
108AQI
108AQI
10th February 2025
117AQI
117AQI
11th February 2025
150AQI
150AQI
12th February 2025
130AQI
130AQI
13th February 2025
116AQI
116AQI
14th February 2025
112AQI
112AQI
15th February 2025
129AQI
129AQI
16th February 2025
104AQI
104AQI
17th February 2025
81AQI
81AQI
18th February 2025
84AQI
84AQI
19th February 2025
80AQI
80AQI
20th February 2025
78AQI
78AQI
21st February 2025
81AQI
81AQI
22nd February 2025
73AQI
73AQI
23rd February 2025
82AQI
82AQI
24th February 2025
87AQI
87AQI
25th February 2025
89AQI
89AQI
26th February 2025
80AQI
80AQI
27th February 2025
117AQI
117AQI
28th February 2025
91AQI
91AQI
1st March 2025
82AQI
82AQI
2nd March 2025
69AQI
69AQI
3rd March 2025
81AQI
81AQI
4th March 2025
86AQI
86AQI
5th March 2025
95AQI
95AQI
6th March 2025
92AQI
92AQI
7th March 2025
96AQI
96AQI
8th March 2025
93AQI
93AQI
9th March 2025
117AQI
117AQI
10th March 2025
122AQI
122AQI
11th March 2025
111AQI
111AQI
12th March 2025
89AQI
89AQI
13th March 2025
79AQI
79AQI
14th March 2025
62AQI
62AQI
15th March 2025
65AQI
65AQI
16th March 2025
65AQI
65AQI
17th March 2025
66AQI
66AQI
18th March 2025
66AQI
66AQI
19th March 2025
92AQI
92AQI
20th March 2025
100AQI
100AQI
21st March 2025
85AQI
85AQI
22nd March 2025
74AQI
74AQI
23rd March 2025
89AQI
89AQI
24th March 2025
63AQI
63AQI
25th March 2025
72AQI
72AQI
26th March 2025
79AQI
79AQI
27th March 2025
70AQI
70AQI
28th March 2025
69AQI
69AQI
29th March 2025
62AQI
62AQI
30th March 2025
65AQI
65AQI
31st March 2025
85AQI
85AQI
1st April 2025
106AQI
106AQI
2nd April 2025
108AQI
108AQI
3rd April 2025
109AQI
109AQI
4th April 2025
114AQI
114AQI
5th April 2025
90AQI
90AQI
6th April 2025
98AQI
98AQI
7th April 2025
93AQI
93AQI
8th April 2025
87AQI
87AQI
9th April 2025
113AQI
113AQI
10th April 2025
144AQI
144AQI
11th April 2025
123AQI
123AQI
12th April 2025
116AQI
116AQI
13th April 2025
86AQI
86AQI
14th April 2025
75AQI
75AQI
15th April 2025
63AQI
63AQI
16th April 2025
71AQI
71AQI
17th April 2025
110AQI
110AQI
18th April 2025
79AQI
79AQI
19th April 2025
81AQI
81AQI
20th April 2025
85AQI
85AQI
21st April 2025
89AQI
89AQI
22nd April 2025
63AQI
63AQI
23rd April 2025
72AQI
72AQI
24th April 2025
72AQI
72AQI
25th April 2025
65AQI
65AQI
26th April 2025
58AQI
58AQI
27th April 2025
88AQI
88AQI
28th April 2025
81AQI
81AQI
29th April 2025
101AQI
101AQI
30th April 2025
88AQI
88AQI
1st May 2025
85AQI
85AQI
2nd May 2025
76AQI
76AQI
3rd May 2025
59AQI
59AQI
4th May 2025
50AQI
50AQI
5th May 2025
53AQI
53AQI
6th May 2025
53AQI
53AQI
7th May 2025
63AQI
63AQI
8th May 2025
67AQI
67AQI
9th May 2025
70AQI
70AQI
10th May 2025
59AQI
59AQI
11th May 2025
90AQI
90AQI
12th May 2025
82AQI
82AQI
13th May 2025
84AQI
84AQI
14th May 2025
92AQI
92AQI
15th May 2025
93AQI
93AQI
16th May 2025
81AQI
81AQI
17th May 2025
70AQI
70AQI
18th May 2025
65AQI
65AQI
19th May 2025
60AQI
60AQI
20th May 2025
65AQI
65AQI
21st May 2025
50AQI
50AQI
22nd May 2025
55AQI
55AQI
23rd May 2025
59AQI
59AQI
24th May 2025
53AQI
53AQI
25th May 2025
53AQI
53AQI
26th May 2025
65AQI
65AQI
27th May 2025
62AQI
62AQI
28th May 2025
88AQI
88AQI
29th May 2025
74AQI
74AQI
30th May 2025
84AQI
84AQI
31st May 2025
72AQI
72AQI
1st June 2025
71AQI
71AQI
2nd June 2025
64AQI
64AQI
3rd June 2025
60AQI
60AQI
4th June 2025
50AQI
50AQI
5th June 2025
52AQI
52AQI
6th June 2025
47AQI
47AQI
7th June 2025
49AQI
49AQI
8th June 2025
51AQI
51AQI
9th June 2025
51AQI
51AQI
10th June 2025
45AQI
45AQI
11th June 2025
47AQI
47AQI
12th June 2025
59AQI
59AQI
13th June 2025
60AQI
60AQI
14th June 2025
56AQI
56AQI
15th June 2025
62AQI
62AQI
16th June 2025
62AQI
62AQI
17th June 2025
57AQI
57AQI
18th June 2025
63AQI
63AQI
19th June 2025
57AQI
57AQI
20th June 2025
53AQI
53AQI
21st June 2025
43AQI
43AQI
22nd June 2025
40AQI
40AQI
23rd June 2025
53AQI
53AQI
24th June 2025
58AQI
58AQI
25th June 2025
59AQI
59AQI
26th June 2025
60AQI
60AQI
27th June 2025
66AQI
66AQI
28th June 2025
61AQI
61AQI
29th June 2025
61AQI
61AQI
30th June 2025
62AQI
62AQI
1st July 2025
54AQI
54AQI
2nd July 2025
53AQI
53AQI
3rd July 2025
58AQI
58AQI
4th July 2025
53AQI
53AQI
5th July 2025
48AQI
48AQI
6th July 2025
44AQI
44AQI
7th July 2025
50AQI
50AQI
8th July 2025
50AQI
50AQI
9th July 2025
51AQI
51AQI
10th July 2025
52AQI
52AQI
11th July 2025
57AQI
57AQI
12th July 2025
54AQI
54AQI
13th July 2025
48AQI
48AQI
14th July 2025
49AQI
49AQI
15th July 2025
47AQI
47AQI
16th July 2025
45AQI
45AQI
17th July 2025
47AQI
47AQI
18th July 2025
49AQI
49AQI
19th July 2025
46AQI
46AQI
20th July 2025
46AQI
46AQI
21st July 2025
46AQI
46AQI
22nd July 2025
50AQI
50AQI
23rd July 2025
48AQI
48AQI
24th July 2025
52AQI
52AQI
25th July 2025
47AQI
47AQI
26th July 2025
51AQI
51AQI
27th July 2025
49AQI
49AQI
28th July 2025
43AQI
43AQI
29th July 2025
47AQI
47AQI
30th July 2025
43AQI
43AQI
31st July 2025
46AQI
46AQI
1st August 2025
52AQI
52AQI
2nd August 2025
56AQI
56AQI
3rd August 2025
52AQI
52AQI
151AQI
105AQI
82AQI
91AQI
69AQI
56AQI
49AQI
53AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202586AQI
16
13
2
13
14
1
28
3
20
10
2
29
7
23
21
10
3
30
126
43
14
2
Highest AQI recorded in
January151AQI
Lowest AQI recorded in
July49AQI
202470AQI
30
1
27
2
5
25
1
2
25
2
1
1
29
1
7
23
12
5
9
5
18
12
16
14
29
2
5
20
5
17
13
1
66
256
36
7
Highest AQI recorded in
December102AQI
Lowest AQI recorded in
August49AQI
202355AQI
4
20
5
2
6
19
3
16
13
1
1
20
10
23
8
18
3
31
29
1
22
7
2
4
22
3
29
2
173
132
16
3
Highest AQI recorded in
January79AQI
Lowest AQI recorded in
August33AQI
202250AQI
9
20
2
12
9
12
11
18
12
27
4
25
5
20
1
1
1
25
2
23
5
1
2
14
14
2
14
13
200
97
5
2
Highest AQI recorded in
January61AQI
Lowest AQI recorded in
September35AQI
202154AQI
2
22
3
1
3
20
3
8
18
3
21
6
2
1
26
5
16
13
19
10
1
30
28
2
25
6
17
11
2
12
15
3
1
207
128
17
3
Highest AQI recorded in
January75AQI
Lowest AQI recorded in
August35AQI
202047AQI
6
7
11
10
13
5
30
11
19
1
28
3
29
1
21
8
2
20
10
6
24
1
175
87
4
Highest AQI recorded in
December62AQI
Lowest AQI recorded in
June35AQI
Most & Least Polluted Years Over the Last 6 Years
Most Polluted Year Recorded
2025(Avg.)
86AQILeast Polluted Year Recorded
2020(Avg.)
47AQIDepartment Of Transportation's annual 2025 AQI (86) shows an average percentage change of 57.8% (worsened AQI) compared to previous years: 2020 (47), 2021 (54), 2022 (50), 2023 (55), 2024 (70).
