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
Heihe, Heilongjiang, China
2021
2022
2023
2024
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
20th Aug 2024
68AQILowest AQI recorded on
12th Aug 2023
20AQISame Day Analysis (2nd August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 1st highest AQI at 55 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
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
36AQI
In the last 24 hours,
Heihe's AQI reached its highest point of 53 at 4 AM during the Night, while the lowest point, undefined, was recorded at 3 AM during the Night between 3rd Aug and 4th Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
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 2025389 AMAQI
5th Jul 20253510 AMAQI
5th Jul 20253611 AMAQI
5th Jul 20254312 PMAQI
5th Jul 2025561 PMAQI
5th Jul 2025462 PMAQI
5th Jul 2025413 PMAQI
5th Jul 2025334 PMAQI
5th Jul 2025355 PMAQI
5th Jul 2025396 PMAQI
5th Jul 2025427 PMAQI
5th Jul 2025528 PMAQI
5th Jul 2025529 PMAQI
5th Jul 20255210 PMAQI
5th Jul 20255211 PMAQI
6th Jul 20255412 AMAQI
6th Jul 2025561 AMAQI
6th Jul 2025552 AMAQI
6th Jul 2025543 AMAQI
22°C18/27°C
6th Jul 2025544 AMAQI
6th Jul 2025535 AMAQI
6th Jul 2025516 AMAQI
6th Jul 2025527 AMAQI
6th Jul 2025368 AMAQI
6th Jul 2025289 AMAQI
6th Jul 20252510 AMAQI
6th Jul 20252511 AMAQI
6th Jul 20253312 PMAQI
6th Jul 2025331 PMAQI
6th Jul 2025342 PMAQI
6th Jul 2025363 PMAQI
6th Jul 2025364 PMAQI
6th Jul 2025365 PMAQI
6th Jul 2025366 PMAQI
6th Jul 2025407 PMAQI
6th Jul 2025468 PMAQI
6th Jul 2025529 PMAQI
6th Jul 20255210 PMAQI
6th Jul 20255211 PMAQI
7th Jul 20255412 AMAQI
7th Jul 2025531 AMAQI
7th Jul 2025552 AMAQI
7th Jul 2025533 AMAQI
19°C13/25°C
7th Jul 2025514 AMAQI
7th Jul 2025485 AMAQI
7th Jul 2025476 AMAQI
7th Jul 2025457 AMAQI
7th Jul 2025488 AMAQI
7th Jul 2025479 AMAQI
7th Jul 20254310 AMAQI
7th Jul 20254111 AMAQI
7th Jul 20254212 PMAQI
7th Jul 2025481 PMAQI
7th Jul 2025442 PMAQI
7th Jul 2025483 PMAQI
7th Jul 2025554 PMAQI
7th Jul 2025525 PMAQI
7th Jul 2025506 PMAQI
7th Jul 2025557 PMAQI
7th Jul 2025538 PMAQI
7th Jul 2025559 PMAQI
7th Jul 20255410 PMAQI
7th Jul 20255511 PMAQI
8th Jul 20255712 AMAQI
8th Jul 2025561 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 2025549 AMAQI
8th Jul 20254510 AMAQI
8th Jul 20254111 AMAQI
8th Jul 20253712 PMAQI
8th Jul 2025411 PMAQI
8th Jul 2025352 PMAQI
8th Jul 2025373 PMAQI
8th Jul 2025364 PMAQI
8th Jul 2025405 PMAQI
8th Jul 2025556 PMAQI
8th Jul 2025507 PMAQI
8th Jul 2025548 PMAQI
8th Jul 2025549 PMAQI
8th Jul 20255310 PMAQI
8th Jul 20255311 PMAQI
9th Jul 20255212 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 2025508 AMAQI
9th Jul 2025429 AMAQI
9th Jul 20254510 AMAQI
9th Jul 20254011 AMAQI
9th Jul 20254612 PMAQI
9th Jul 2025481 PMAQI
9th Jul 2025472 PMAQI
9th Jul 2025503 PMAQI
9th Jul 2025484 PMAQI
9th Jul 2025465 PMAQI
9th Jul 2025506 PMAQI
9th Jul 2025537 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 2025536 AMAQI
10th Jul 2025537 AMAQI
10th Jul 2025458 AMAQI
10th Jul 2025419 AMAQI
10th Jul 20254010 AMAQI
10th Jul 20253711 AMAQI
10th Jul 20254612 PMAQI
10th Jul 2025491 PMAQI
10th Jul 2025492 PMAQI
10th Jul 2025503 PMAQI
10th Jul 2025514 PMAQI
10th Jul 2025525 PMAQI
10th Jul 2025496 PMAQI
10th Jul 2025547 PMAQI
10th Jul 2025628 PMAQI
10th Jul 2025609 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 2025588 AMAQI
11th Jul 2025569 AMAQI
11th Jul 20255510 AMAQI
11th Jul 20254911 AMAQI
11th Jul 20255312 PMAQI
11th Jul 2025541 PMAQI
11th Jul 2025562 PMAQI
11th Jul 2025563 PMAQI
11th Jul 2025604 PMAQI
11th Jul 2025625 PMAQI
11th Jul 2025636 PMAQI
11th Jul 2025617 PMAQI
11th Jul 2025608 PMAQI
11th Jul 2025629 PMAQI
11th Jul 20255810 PMAQI
11th Jul 20255811 PMAQI
12th Jul 20255612 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 2025546 AMAQI
12th Jul 2025557 AMAQI
12th Jul 2025568 AMAQI
12th Jul 2025529 AMAQI
12th Jul 20255110 AMAQI
12th Jul 20254411 AMAQI
12th Jul 20255112 PMAQI
12th Jul 2025511 PMAQI
12th Jul 2025542 PMAQI
12th Jul 2025503 PMAQI
12th Jul 2025554 PMAQI
12th Jul 2025525 PMAQI
12th Jul 2025516 PMAQI
12th Jul 2025557 PMAQI
12th Jul 2025558 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 2025488 AMAQI
13th Jul 2025379 AMAQI
13th Jul 20253210 AMAQI
13th Jul 20252911 AMAQI
13th Jul 20253512 PMAQI
13th Jul 2025371 PMAQI
13th Jul 2025382 PMAQI
13th Jul 2025413 PMAQI
13th Jul 2025384 PMAQI
13th Jul 2025475 PMAQI
13th Jul 2025426 PMAQI
13th Jul 2025487 PMAQI
13th Jul 2025538 PMAQI
13th Jul 2025539 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 2025498 AMAQI
14th Jul 2025429 AMAQI
14th Jul 20254110 AMAQI
14th Jul 20254411 AMAQI
14th Jul 20254912 PMAQI
14th Jul 2025441 PMAQI
14th Jul 2025422 PMAQI
14th Jul 2025363 PMAQI
14th Jul 2025404 PMAQI
14th Jul 2025335 PMAQI
14th Jul 2025316 PMAQI
14th Jul 2025437 PMAQI
14th Jul 2025538 PMAQI
14th Jul 2025549 PMAQI
14th Jul 20256110 PMAQI
14th Jul 20255911 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 2025535 AMAQI
15th Jul 2025546 AMAQI
15th Jul 2025547 AMAQI
15th Jul 2025418 AMAQI
15th Jul 2025319 AMAQI
15th Jul 20252410 AMAQI
15th Jul 20252811 AMAQI
15th Jul 20253312 PMAQI
15th Jul 2025321 PMAQI
15th Jul 2025332 PMAQI
15th Jul 2025423 PMAQI
15th Jul 2025344 PMAQI
15th Jul 2025475 PMAQI
15th Jul 2025406 PMAQI
15th Jul 2025537 PMAQI
15th Jul 2025538 PMAQI
15th Jul 2025569 PMAQI
15th Jul 20255510 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 2025525 AMAQI
16th Jul 2025536 AMAQI
16th Jul 2025537 AMAQI
16th Jul 2025448 AMAQI
16th Jul 2025399 AMAQI
16th Jul 20253810 AMAQI
16th Jul 20253911 AMAQI
16th Jul 20253712 PMAQI
16th Jul 2025351 PMAQI
16th Jul 2025392 PMAQI
16th Jul 2025383 PMAQI
16th Jul 2025294 PMAQI
16th Jul 2025285 PMAQI
16th Jul 2025286 PMAQI
16th Jul 2025387 PMAQI
16th Jul 2025518 PMAQI
16th Jul 2025539 PMAQI
16th Jul 20255210 PMAQI
16th Jul 20255311 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 2025429 AMAQI
17th Jul 20253810 AMAQI
17th Jul 20254411 AMAQI
17th Jul 20254112 PMAQI
17th Jul 2025411 PMAQI
17th Jul 2025402 PMAQI
17th Jul 2025403 PMAQI
17th Jul 2025354 PMAQI
17th Jul 2025385 PMAQI
17th Jul 2025406 PMAQI
17th Jul 2025437 PMAQI
17th Jul 2025508 PMAQI
17th Jul 2025529 PMAQI
17th Jul 20255110 PMAQI
17th Jul 20255111 PMAQI
18th Jul 20255312 AMAQI
18th Jul 2025501 AMAQI
18th Jul 2025512 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 2025548 AMAQI
18th Jul 2025539 AMAQI
18th Jul 20255310 AMAQI
18th Jul 20254811 AMAQI
18th Jul 20254812 PMAQI
18th Jul 2025411 PMAQI
18th Jul 2025402 PMAQI
18th Jul 2025373 PMAQI
18th Jul 2025394 PMAQI
18th Jul 2025435 PMAQI
18th Jul 2025526 PMAQI
18th Jul 2025457 PMAQI
18th Jul 2025468 PMAQI
18th Jul 2025489 PMAQI
18th Jul 20255210 PMAQI
18th Jul 20255111 PMAQI
19th Jul 20255112 AMAQI
19th Jul 2025521 AMAQI
19th Jul 2025512 AMAQI
19th Jul 2025503 AMAQI
22°C19/27°C
19th Jul 2025514 AMAQI
19th Jul 2025525 AMAQI
19th Jul 2025526 AMAQI
19th Jul 2025527 AMAQI
19th Jul 2025528 AMAQI
19th Jul 2025489 AMAQI
19th Jul 20254210 AMAQI
19th Jul 20254111 AMAQI
19th Jul 20253712 PMAQI
19th Jul 2025331 PMAQI
19th Jul 2025342 PMAQI
19th Jul 2025343 PMAQI
19th Jul 2025374 PMAQI
19th Jul 2025335 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 20255412 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 2025526 AMAQI
20th Jul 2025537 AMAQI
20th Jul 2025508 AMAQI
20th Jul 2025459 AMAQI
20th Jul 20254710 AMAQI
20th Jul 20254411 AMAQI
20th Jul 20253912 PMAQI
20th Jul 2025341 PMAQI
20th Jul 2025382 PMAQI
20th Jul 2025343 PMAQI
20th Jul 2025364 PMAQI
20th Jul 2025325 PMAQI
20th Jul 2025386 PMAQI
20th Jul 2025397 PMAQI
20th Jul 2025488 PMAQI
20th Jul 2025489 PMAQI
20th Jul 20254910 PMAQI
20th Jul 20254911 PMAQI
21st Jul 20255512 AMAQI
21st Jul 2025521 AMAQI
21st Jul 2025532 AMAQI
21st Jul 2025523 AMAQI
22°C18/27°C
21st Jul 2025524 AMAQI
21st Jul 2025515 AMAQI
21st Jul 2025506 AMAQI
21st Jul 2025517 AMAQI
21st Jul 2025418 AMAQI
21st Jul 2025379 AMAQI
21st Jul 20253810 AMAQI
21st Jul 20253311 AMAQI
21st Jul 20253612 PMAQI
21st Jul 2025381 PMAQI
21st Jul 2025352 PMAQI
21st Jul 2025363 PMAQI
21st Jul 2025374 PMAQI
21st Jul 2025395 PMAQI
21st Jul 2025456 PMAQI
21st Jul 2025527 PMAQI
21st Jul 2025518 PMAQI
21st Jul 2025479 PMAQI
21st Jul 20254610 PMAQI
21st Jul 20254411 PMAQI
22nd Jul 20254412 AMAQI
22nd Jul 2025481 AMAQI
22nd Jul 2025492 AMAQI
22nd Jul 2025513 AMAQI
22°C19/28°C
22nd Jul 2025484 AMAQI
22nd Jul 2025495 AMAQI
22nd Jul 2025486 AMAQI
22nd Jul 2025487 AMAQI
22nd Jul 2025408 AMAQI
22nd Jul 2025349 AMAQI
22nd Jul 20253010 AMAQI
22nd Jul 20253711 AMAQI
22nd Jul 20253912 PMAQI
22nd Jul 2025481 PMAQI
22nd Jul 2025492 PMAQI
22nd Jul 2025543 PMAQI
22nd Jul 2025644 PMAQI
22nd Jul 2025615 PMAQI
22nd Jul 2025556 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 2025413 AMAQI
24°C17/31°C
23rd Jul 2025414 AMAQI
23rd Jul 2025505 AMAQI
23rd Jul 2025496 AMAQI
23rd Jul 2025507 AMAQI
23rd Jul 2025518 AMAQI
23rd Jul 2025469 AMAQI
23rd Jul 20254010 AMAQI
23rd Jul 20253711 AMAQI
23rd Jul 20254612 PMAQI
23rd Jul 2025511 PMAQI
23rd Jul 2025462 PMAQI
23rd Jul 2025523 PMAQI
23rd Jul 2025534 PMAQI
23rd Jul 2025525 PMAQI
23rd Jul 2025536 PMAQI
23rd Jul 2025507 PMAQI
23rd Jul 2025538 PMAQI
23rd Jul 2025549 PMAQI
23rd Jul 20255310 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 2025507 AMAQI
24th Jul 2025428 AMAQI
24th Jul 2025499 AMAQI
24th Jul 20254210 AMAQI
24th Jul 20255211 AMAQI
24th Jul 20255412 PMAQI
24th Jul 2025541 PMAQI
24th Jul 2025532 PMAQI
24th Jul 2025543 PMAQI
24th Jul 2025524 PMAQI
24th Jul 2025555 PMAQI
24th Jul 2025556 PMAQI
24th Jul 2025597 PMAQI
24th Jul 2025588 PMAQI
24th Jul 2025599 PMAQI
24th Jul 20255410 PMAQI
24th Jul 20255411 PMAQI
25th Jul 20254812 AMAQI
25th Jul 2025471 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 2025478 AMAQI
25th Jul 2025479 AMAQI
25th Jul 20255310 AMAQI
25th Jul 20253611 AMAQI
25th Jul 20253512 PMAQI
25th Jul 2025301 PMAQI
25th Jul 2025272 PMAQI
25th Jul 2025273 PMAQI
25th Jul 2025384 PMAQI
25th Jul 2025325 PMAQI
25th Jul 2025486 PMAQI
25th Jul 2025567 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 2025558 AMAQI
26th Jul 2025559 AMAQI
26th Jul 20255410 AMAQI
26th Jul 20255011 AMAQI
26th Jul 20255012 PMAQI
26th Jul 2025481 PMAQI
26th Jul 2025482 PMAQI
26th Jul 2025523 PMAQI
26th Jul 2025514 PMAQI
26th Jul 2025495 PMAQI
26th Jul 2025516 PMAQI
26th Jul 2025467 PMAQI
26th Jul 2025528 PMAQI
26th Jul 2025539 PMAQI
26th Jul 20255210 PMAQI
26th Jul 20255211 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 2025479 AMAQI
27th Jul 20255210 AMAQI
27th Jul 20254911 AMAQI
27th Jul 20254412 PMAQI
27th Jul 2025411 PMAQI
27th Jul 2025472 PMAQI
27th Jul 2025393 PMAQI
27th Jul 2025384 PMAQI
27th Jul 2025375 PMAQI
27th Jul 2025386 PMAQI
27th Jul 2025367 PMAQI
27th Jul 2025508 PMAQI
27th Jul 2025529 PMAQI
27th Jul 20254910 PMAQI
27th Jul 20255211 PMAQI
28th Jul 20254812 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 2025527 AMAQI
28th Jul 2025408 AMAQI
28th Jul 2025349 AMAQI
28th Jul 20253010 AMAQI
28th Jul 20252811 AMAQI
28th Jul 20253012 PMAQI
28th Jul 2025321 PMAQI
28th Jul 2025402 PMAQI
28th Jul 2025413 PMAQI
28th Jul 2025464 PMAQI
28th Jul 2025355 PMAQI
28th Jul 2025326 PMAQI
28th Jul 2025437 PMAQI
28th Jul 2025518 PMAQI
28th Jul 2025559 PMAQI
28th Jul 20255010 PMAQI
28th Jul 20254711 PMAQI
29th Jul 20255112 AMAQI
29th Jul 2025531 AMAQI
29th Jul 2025532 AMAQI
29th Jul 2025523 AMAQI
24°C17/30°C
29th Jul 2025484 AMAQI
29th Jul 2025465 AMAQI
29th Jul 2025506 AMAQI
29th Jul 2025467 AMAQI
29th Jul 2025408 AMAQI
29th Jul 2025459 AMAQI
29th Jul 20254410 AMAQI
29th Jul 20255611 AMAQI
29th Jul 20256012 PMAQI
29th Jul 2025511 PMAQI
29th Jul 2025482 PMAQI
29th Jul 2025373 PMAQI
29th Jul 2025394 PMAQI
29th Jul 2025375 PMAQI
29th Jul 2025346 PMAQI
29th Jul 2025447 PMAQI
29th Jul 2025518 PMAQI
29th Jul 2025419 PMAQI
29th Jul 20254410 PMAQI
29th Jul 20254611 PMAQI
30th Jul 20255012 AMAQI
30th Jul 2025491 AMAQI
30th Jul 2025542 AMAQI
30th Jul 2025583 AMAQI
19°C17/22°C
30th Jul 2025534 AMAQI
30th Jul 2025515 AMAQI
30th Jul 2025516 AMAQI
30th Jul 2025507 AMAQI
30th Jul 2025378 AMAQI
30th Jul 2025439 AMAQI
30th Jul 20252810 AMAQI
30th Jul 20253011 AMAQI
30th Jul 20254912 PMAQI
30th Jul 2025381 PMAQI
30th Jul 2025332 PMAQI
30th Jul 2025293 PMAQI
30th Jul 2025384 PMAQI
30th Jul 2025345 PMAQI
30th Jul 2025366 PMAQI
30th Jul 2025347 PMAQI
30th Jul 2025388 PMAQI
30th Jul 2025429 PMAQI
30th Jul 20254210 PMAQI
30th Jul 20254211 PMAQI
31st Jul 20254612 AMAQI
31st Jul 2025471 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 20253510 AMAQI
31st Jul 20253011 AMAQI
31st Jul 20253112 PMAQI
31st Jul 2025361 PMAQI
31st Jul 2025342 PMAQI
31st Jul 2025383 PMAQI
31st Jul 2025324 PMAQI
31st Jul 2025305 PMAQI
31st Jul 2025346 PMAQI
31st Jul 2025387 PMAQI
31st Jul 2025568 PMAQI
31st Jul 2025579 PMAQI
31st Jul 20255510 PMAQI
31st Jul 20255411 PMAQI
1st Aug 20255112 AMAQI
1st Aug 2025481 AMAQI
1st Aug 2025492 AMAQI
1st Aug 2025473 AMAQI
20°C13/27°C
1st Aug 2025454 AMAQI
1st Aug 2025465 AMAQI
1st Aug 2025476 AMAQI
1st Aug 2025467 AMAQI
1st Aug 2025488 AMAQI
1st Aug 2025489 AMAQI
1st Aug 20254510 AMAQI
1st Aug 20254611 AMAQI
1st Aug 20254112 PMAQI
1st Aug 2025421 PMAQI
1st Aug 2025502 PMAQI
1st Aug 2025363 PMAQI
1st Aug 2025484 PMAQI
1st Aug 2025635 PMAQI
1st Aug 2025466 PMAQI
1st Aug 2025547 PMAQI
1st Aug 2025768 PMAQI
1st Aug 2025689 PMAQI
1st Aug 20255410 PMAQI
1st Aug 20256511 PMAQI
2nd Aug 20258212 AMAQI
2nd Aug 2025581 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 2025477 AMAQI
2nd Aug 2025588 AMAQI
2nd Aug 2025589 AMAQI
2nd Aug 20255810 AMAQI
2nd Aug 20255511 AMAQI
2nd Aug 20255812 PMAQI
2nd Aug 2025531 PMAQI
2nd Aug 2025802 PMAQI
2nd Aug 2025653 PMAQI
2nd Aug 2025554 PMAQI
2nd Aug 2025445 PMAQI
2nd Aug 2025566 PMAQI
2nd Aug 2025537 PMAQI
2nd Aug 2025588 PMAQI
2nd Aug 2025589 PMAQI
2nd Aug 20255410 PMAQI
2nd Aug 20255311 PMAQI
3rd Aug 20254912 AMAQI
3rd Aug 2025531 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 2025527 AMAQI
3rd Aug 2025478 AMAQI
3rd Aug 2025429 AMAQI
3rd Aug 20254610 AMAQI
3rd Aug 20254911 AMAQI
3rd Aug 20255212 PMAQI
3rd Aug 2025481 PMAQI
3rd Aug 2025362 PMAQI
3rd Aug 2025403 PMAQI
3rd Aug 2025474 PMAQI
3rd Aug 2025385 PMAQI
3rd Aug 2025366 PMAQI
3rd Aug 2025407 PMAQI
3rd Aug 2025468 PMAQI
3rd Aug 2025479 PMAQI
3rd Aug 20255110 PMAQI
3rd Aug 20255211 PMAQI
4th Aug 20255312 AMAQI
4th Aug 2025521 AMAQI
4th Aug 2025512 AMAQI
--°C/°C
4 AM
12 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
9 AM - 6 PM
43AQI
10 hours / Day
300 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 9 AM to 6 PM (Avg. 43).
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
Heihe, Heilongjiang, China
2025
13%
28
60%
129
20%
42
6%
13
0.9%
2
Total number of days with different AQI categories in last 215 days in 2025 (150 days remaining)
Good
28 DaysModerate
129 DaysPoor
42 DaysUnhealthy
13 DaysSevere
2 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 13%
Health Risk Level:
Extreme
In 2025, 13% 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
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
136AQI
136AQI
3rd January 2025
124AQI
124AQI
4th January 2025
166AQI
166AQI
5th January 2025
136AQI
136AQI
6th January 2025
161AQI
161AQI
7th January 2025
145AQI
145AQI
8th January 2025
112AQI
112AQI
9th January 2025
121AQI
121AQI
10th January 2025
141AQI
141AQI
11th January 2025
166AQI
166AQI
12th January 2025
178AQI
178AQI
13th January 2025
174AQI
174AQI
14th January 2025
188AQI
188AQI
15th January 2025
132AQI
132AQI
16th January 2025
118AQI
118AQI
17th January 2025
151AQI
151AQI
18th January 2025
136AQI
136AQI
19th January 2025
166AQI
166AQI
20th January 2025
170AQI
170AQI
21st January 2025
160AQI
160AQI
22nd January 2025
149AQI
149AQI
23rd January 2025
205AQI
205AQI
24th January 2025
194AQI
194AQI
25th January 2025
217AQI
217AQI
26th January 2025
183AQI
183AQI
27th January 2025
131AQI
131AQI
28th January 2025
125AQI
125AQI
29th January 2025
112AQI
112AQI
30th January 2025
100AQI
100AQI
31st January 2025
120AQI
120AQI
1st February 2025
130AQI
130AQI
2nd February 2025
162AQI
162AQI
3rd February 2025
141AQI
141AQI
4th February 2025
118AQI
118AQI
5th February 2025
116AQI
116AQI
6th February 2025
102AQI
102AQI
7th February 2025
94AQI
94AQI
8th February 2025
91AQI
91AQI
9th February 2025
109AQI
109AQI
10th February 2025
117AQI
117AQI
11th February 2025
149AQI
149AQI
12th February 2025
129AQI
129AQI
13th February 2025
116AQI
116AQI
14th February 2025
112AQI
112AQI
15th February 2025
129AQI
129AQI
16th February 2025
104AQI
104AQI
17th February 2025
82AQI
82AQI
18th February 2025
84AQI
84AQI
19th February 2025
80AQI
80AQI
20th February 2025
78AQI
78AQI
21st February 2025
80AQI
80AQI
22nd February 2025
72AQI
72AQI
23rd February 2025
83AQI
83AQI
24th February 2025
85AQI
85AQI
25th February 2025
90AQI
90AQI
26th February 2025
80AQI
80AQI
27th February 2025
117AQI
117AQI
28th February 2025
91AQI
91AQI
1st March 2025
82AQI
82AQI
2nd March 2025
68AQI
68AQI
3rd March 2025
80AQI
80AQI
4th March 2025
85AQI
85AQI
5th March 2025
95AQI
95AQI
6th March 2025
91AQI
91AQI
7th March 2025
97AQI
97AQI
8th March 2025
94AQI
94AQI
9th March 2025
116AQI
116AQI
10th March 2025
123AQI
123AQI
11th March 2025
111AQI
111AQI
12th March 2025
90AQI
90AQI
13th March 2025
79AQI
79AQI
14th March 2025
62AQI
62AQI
15th March 2025
64AQI
64AQI
16th March 2025
65AQI
65AQI
17th March 2025
65AQI
65AQI
18th March 2025
66AQI
66AQI
19th March 2025
92AQI
92AQI
20th March 2025
100AQI
100AQI
21st March 2025
82AQI
82AQI
22nd March 2025
72AQI
72AQI
23rd March 2025
87AQI
87AQI
24th March 2025
60AQI
60AQI
25th March 2025
71AQI
71AQI
26th March 2025
78AQI
78AQI
27th March 2025
70AQI
70AQI
28th March 2025
69AQI
69AQI
29th March 2025
62AQI
62AQI
30th March 2025
64AQI
64AQI
31st March 2025
85AQI
85AQI
1st April 2025
106AQI
106AQI
2nd April 2025
108AQI
108AQI
3rd April 2025
109AQI
109AQI
4th April 2025
112AQI
112AQI
5th April 2025
90AQI
90AQI
6th April 2025
98AQI
98AQI
7th April 2025
93AQI
93AQI
8th April 2025
87AQI
87AQI
9th April 2025
114AQI
114AQI
10th April 2025
143AQI
143AQI
11th April 2025
122AQI
122AQI
12th April 2025
117AQI
117AQI
13th April 2025
85AQI
85AQI
14th April 2025
75AQI
75AQI
15th April 2025
62AQI
62AQI
16th April 2025
70AQI
70AQI
17th April 2025
108AQI
108AQI
18th April 2025
78AQI
78AQI
19th April 2025
80AQI
80AQI
20th April 2025
85AQI
85AQI
21st April 2025
88AQI
88AQI
22nd April 2025
62AQI
62AQI
23rd April 2025
71AQI
71AQI
24th April 2025
71AQI
71AQI
25th April 2025
66AQI
66AQI
26th April 2025
58AQI
58AQI
27th April 2025
88AQI
88AQI
28th April 2025
81AQI
81AQI
29th April 2025
100AQI
100AQI
30th April 2025
88AQI
88AQI
1st May 2025
85AQI
85AQI
2nd May 2025
76AQI
76AQI
3rd May 2025
59AQI
59AQI
4th May 2025
51AQI
51AQI
5th May 2025
54AQI
54AQI
6th May 2025
53AQI
53AQI
7th May 2025
62AQI
62AQI
8th May 2025
67AQI
67AQI
9th May 2025
70AQI
70AQI
10th May 2025
58AQI
58AQI
11th May 2025
89AQI
89AQI
12th May 2025
82AQI
82AQI
13th May 2025
85AQI
85AQI
14th May 2025
94AQI
94AQI
15th May 2025
93AQI
93AQI
16th May 2025
81AQI
81AQI
17th May 2025
69AQI
69AQI
18th May 2025
65AQI
65AQI
19th May 2025
60AQI
60AQI
20th May 2025
65AQI
65AQI
21st May 2025
51AQI
51AQI
22nd May 2025
54AQI
54AQI
23rd May 2025
59AQI
59AQI
24th May 2025
52AQI
52AQI
25th May 2025
53AQI
53AQI
26th May 2025
65AQI
65AQI
27th May 2025
62AQI
62AQI
28th May 2025
87AQI
87AQI
29th May 2025
74AQI
74AQI
30th May 2025
84AQI
84AQI
31st May 2025
71AQI
71AQI
1st June 2025
71AQI
71AQI
2nd June 2025
64AQI
64AQI
3rd June 2025
58AQI
58AQI
4th June 2025
47AQI
47AQI
5th June 2025
53AQI
53AQI
6th June 2025
47AQI
47AQI
7th June 2025
49AQI
49AQI
8th June 2025
51AQI
51AQI
9th June 2025
52AQI
52AQI
10th June 2025
46AQI
46AQI
11th June 2025
45AQI
45AQI
12th June 2025
56AQI
56AQI
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
44AQI
44AQI
22nd June 2025
40AQI
40AQI
23rd June 2025
52AQI
52AQI
24th June 2025
57AQI
57AQI
25th June 2025
60AQI
60AQI
26th June 2025
60AQI
60AQI
27th June 2025
66AQI
66AQI
28th June 2025
62AQI
62AQI
29th June 2025
61AQI
61AQI
30th June 2025
62AQI
62AQI
1st July 2025
55AQI
55AQI
2nd July 2025
54AQI
54AQI
3rd July 2025
58AQI
58AQI
4th July 2025
53AQI
53AQI
5th July 2025
49AQI
49AQI
6th July 2025
45AQI
45AQI
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
49AQI
49AQI
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
49AQI
49AQI
23rd July 2025
48AQI
48AQI
24th July 2025
52AQI
52AQI
25th July 2025
46AQI
46AQI
26th July 2025
51AQI
51AQI
27th July 2025
48AQI
48AQI
28th July 2025
44AQI
44AQI
29th July 2025
47AQI
47AQI
30th July 2025
43AQI
43AQI
31st July 2025
46AQI
46AQI
1st August 2025
51AQI
51AQI
2nd August 2025
55AQI
55AQI
150AQI
105AQI
81AQI
91AQI
69AQI
56AQI
49AQI
53AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202585AQI
1
16
12
2
13
14
1
28
3
21
9
31
7
23
21
10
2
28
129
42
13
2
Highest AQI recorded in
January150AQI
Lowest AQI recorded in
July49AQI
202469AQI
29
2
26
3
2
28
1
2
25
2
1
2
29
7
23
11
9
11
21
10
19
11
1
28
2
6
19
5
17
13
1
71
254
39
2
Highest AQI recorded in
December102AQI
Lowest AQI recorded in
August49AQI
202358AQI
2
22
5
2
2
21
5
12
17
1
1
17
13
19
12
17
4
29
2
29
1
20
10
1
4
22
3
28
3
151
152
18
3
Highest AQI recorded in
January86AQI
Lowest AQI recorded in
August35AQI
202252AQI
7
23
1
12
11
11
11
1
15
14
1
21
10
22
8
16
5
2
28
23
5
1
2
9
19
2
9
18
173
126
6
2
Highest AQI recorded in
January65AQI
Lowest AQI recorded in
September35AQI
202154AQI
7
18
2
1
8
15
3
7
20
2
19
8
2
1
28
3
15
14
26
3
1
26
4
28
2
27
4
16
11
3
5
23
3
212
125
16
2
Highest AQI recorded in
January70AQI
Lowest AQI recorded in
August37AQI
202046AQI
7
6
12
9
12
6
30
11
19
1
28
3
30
21
8
2
21
9
9
20
2
181
80
5
Highest AQI recorded in
December61AQI
Lowest AQI recorded in
August33AQI
Most & Least Polluted Years Over the Last 6 Years
Most Polluted Year Recorded
2025(Avg.)
85AQILeast Polluted Year Recorded
2020(Avg.)
46AQIHeihe's annual 2025 AQI (85) shows an average percentage change of 55.09% (worsened AQI) compared to previous years: 2020 (46), 2021 (54), 2022 (52), 2023 (58), 2024 (69).
