Longfeng District, Daqing, 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
Longfeng District, Daqing, Heilongjiang, China
2021
2022
2023
2024
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
7th Aug 2021
111AQILowest AQI recorded on
12th Aug 2023
21AQISame Day Analysis (4th August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 3rd highest AQI at 43 of Good air quality, showing improvement over 2024 and 2021 on the same day.
Download 2024 Annual Data
World Air Quality Report
Day & Night AQI Trend: 5th Aug - 6th Aug 2025
Longfeng District, Daqing, Heilongjiang, China
AQI
Day
Night
.
6 AM5th Aug 2025
9 PM
5 AM6th Aug 2025
Day time
Avg. Highest Time
12AMNaNth undefined
AQI
Avg. Lowest Time
12AMNaNth undefined
AQI
Night time
Avg. Highest Time
10AM5th Aug
55AQI
Avg. Lowest Time
5PM5th Aug
32AQI
In the last 24 hours,
Longfeng District's AQI reached its highest point of 55 at 10 AM during the Night, while the lowest point, 32, was recorded at 5 PM during the Night between 5th Aug and 6th Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Longfeng District, Daqing, Heilongjiang, China
JulAug
07th - 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 - 05th05th - 06th06th
Day
Night
7th Jul 2025586 AMAQI
7th Jul 2025587 AMAQI
7th Jul 2025548 AMAQI
7th Jul 2025549 AMAQI
7th Jul 20255410 AMAQI
7th Jul 20255311 AMAQI
7th Jul 20255312 PMAQI
7th Jul 2025531 PMAQI
7th Jul 2025532 PMAQI
7th Jul 2025503 PMAQI
7th Jul 2025484 PMAQI
7th Jul 2025485 PMAQI
7th Jul 2025506 PMAQI
7th Jul 2025537 PMAQI
7th Jul 2025578 PMAQI
7th Jul 2025579 PMAQI
7th Jul 20255610 PMAQI
7th Jul 20255811 PMAQI
8th Jul 20255712 AMAQI
8th Jul 2025571 AMAQI
8th Jul 2025562 AMAQI
8th Jul 2025573 AMAQI
8th Jul 2025574 AMAQI
8th Jul 2025575 AMAQI
25°C18/31°C
8th Jul 2025566 AMAQI
8th Jul 2025567 AMAQI
8th Jul 2025558 AMAQI
8th Jul 2025579 AMAQI
8th Jul 20255510 AMAQI
8th Jul 20255311 AMAQI
8th Jul 20255412 PMAQI
8th Jul 2025531 PMAQI
8th Jul 2025522 PMAQI
8th Jul 2025533 PMAQI
8th Jul 2025534 PMAQI
8th Jul 2025525 PMAQI
8th Jul 2025516 PMAQI
8th Jul 2025507 PMAQI
8th Jul 2025558 PMAQI
8th Jul 2025569 PMAQI
8th Jul 20255610 PMAQI
8th Jul 20255611 PMAQI
9th Jul 20255612 AMAQI
9th Jul 2025561 AMAQI
9th Jul 2025562 AMAQI
9th Jul 2025563 AMAQI
9th Jul 2025574 AMAQI
9th Jul 2025575 AMAQI
25°C19/31°C
9th Jul 2025576 AMAQI
9th Jul 2025577 AMAQI
9th Jul 2025468 AMAQI
9th Jul 2025459 AMAQI
9th Jul 20254310 AMAQI
9th Jul 20254411 AMAQI
9th Jul 20255112 PMAQI
9th Jul 2025521 PMAQI
9th Jul 2025532 PMAQI
9th Jul 2025563 PMAQI
9th Jul 2025574 PMAQI
9th Jul 2025595 PMAQI
9th Jul 2025566 PMAQI
9th Jul 2025567 PMAQI
9th Jul 2025578 PMAQI
9th Jul 2025579 PMAQI
9th Jul 20255710 PMAQI
9th Jul 20255711 PMAQI
10th Jul 20255712 AMAQI
10th Jul 2025561 AMAQI
10th Jul 2025562 AMAQI
10th Jul 2025563 AMAQI
10th Jul 2025564 AMAQI
10th Jul 2025565 AMAQI
27°C20/35°C
10th Jul 2025566 AMAQI
10th Jul 2025567 AMAQI
10th Jul 2025578 AMAQI
10th Jul 2025609 AMAQI
10th Jul 20256010 AMAQI
10th Jul 20255511 AMAQI
10th Jul 20255912 PMAQI
10th Jul 2025641 PMAQI
10th Jul 2025622 PMAQI
10th Jul 2025643 PMAQI
10th Jul 2025604 PMAQI
10th Jul 2025605 PMAQI
10th Jul 2025586 PMAQI
10th Jul 2025597 PMAQI
10th Jul 2025568 PMAQI
10th Jul 2025579 PMAQI
10th Jul 20255710 PMAQI
10th Jul 20255711 PMAQI
11th Jul 20255712 AMAQI
11th Jul 2025561 AMAQI
11th Jul 2025562 AMAQI
11th Jul 2025563 AMAQI
11th Jul 2025574 AMAQI
11th Jul 2025575 AMAQI
30°C22/37°C
11th Jul 2025576 AMAQI
11th Jul 2025577 AMAQI
11th Jul 2025748 AMAQI
11th Jul 2025809 AMAQI
11th Jul 20257810 AMAQI
11th Jul 20257111 AMAQI
11th Jul 20256212 PMAQI
11th Jul 2025641 PMAQI
11th Jul 2025632 PMAQI
11th Jul 2025663 PMAQI
11th Jul 2025684 PMAQI
11th Jul 2025725 PMAQI
11th Jul 2025696 PMAQI
11th Jul 2025647 PMAQI
11th Jul 2025598 PMAQI
11th Jul 2025589 PMAQI
11th Jul 20255910 PMAQI
11th Jul 20255911 PMAQI
12th Jul 20255912 AMAQI
12th Jul 2025581 AMAQI
12th Jul 2025572 AMAQI
12th Jul 2025583 AMAQI
12th Jul 2025584 AMAQI
12th Jul 2025595 AMAQI
31°C25/37°C
12th Jul 2025596 AMAQI
12th Jul 2025587 AMAQI
12th Jul 2025508 AMAQI
12th Jul 2025289 AMAQI
12th Jul 20252910 AMAQI
12th Jul 20253111 AMAQI
12th Jul 20255112 PMAQI
12th Jul 2025521 PMAQI
12th Jul 2025522 PMAQI
12th Jul 2025523 PMAQI
12th Jul 2025524 PMAQI
12th Jul 2025515 PMAQI
12th Jul 2025516 PMAQI
12th Jul 2025557 PMAQI
12th Jul 2025588 PMAQI
12th Jul 2025589 PMAQI
12th Jul 20255910 PMAQI
12th Jul 20255811 PMAQI
13th Jul 20255812 AMAQI
13th Jul 2025591 AMAQI
13th Jul 2025592 AMAQI
13th Jul 2025593 AMAQI
13th Jul 2025584 AMAQI
13th Jul 2025595 AMAQI
27°C22/33°C
13th Jul 2025596 AMAQI
13th Jul 2025587 AMAQI
13th Jul 2025428 AMAQI
13th Jul 2025229 AMAQI
13th Jul 20252510 AMAQI
13th Jul 20253811 AMAQI
13th Jul 20255312 PMAQI
13th Jul 2025561 PMAQI
13th Jul 2025542 PMAQI
13th Jul 2025523 PMAQI
13th Jul 2025524 PMAQI
13th Jul 2025545 PMAQI
13th Jul 2025526 PMAQI
13th Jul 2025537 PMAQI
13th Jul 2025588 PMAQI
13th Jul 2025579 PMAQI
13th Jul 20255710 PMAQI
13th Jul 20255811 PMAQI
14th Jul 20255612 AMAQI
14th Jul 2025581 AMAQI
14th Jul 2025582 AMAQI
14th Jul 2025573 AMAQI
14th Jul 2025564 AMAQI
14th Jul 2025575 AMAQI
26°C19/31°C
14th Jul 2025576 AMAQI
14th Jul 2025587 AMAQI
14th Jul 2025398 AMAQI
14th Jul 2025259 AMAQI
14th Jul 20253210 AMAQI
14th Jul 20254211 AMAQI
14th Jul 20255012 PMAQI
14th Jul 2025501 PMAQI
14th Jul 2025512 PMAQI
14th Jul 2025523 PMAQI
14th Jul 2025504 PMAQI
14th Jul 2025495 PMAQI
14th Jul 2025476 PMAQI
14th Jul 2025527 PMAQI
14th Jul 2025568 PMAQI
14th Jul 2025569 PMAQI
14th Jul 20255610 PMAQI
14th Jul 20255611 PMAQI
15th Jul 20255612 AMAQI
15th Jul 2025561 AMAQI
15th Jul 2025572 AMAQI
15th Jul 2025563 AMAQI
15th Jul 2025564 AMAQI
15th Jul 2025565 AMAQI
25°C18/31°C
15th Jul 2025566 AMAQI
15th Jul 2025567 AMAQI
15th Jul 2025418 AMAQI
15th Jul 2025399 AMAQI
15th Jul 20253110 AMAQI
15th Jul 20253211 AMAQI
15th Jul 20254812 PMAQI
15th Jul 2025421 PMAQI
15th Jul 2025442 PMAQI
15th Jul 2025453 PMAQI
15th Jul 2025424 PMAQI
15th Jul 2025445 PMAQI
15th Jul 2025446 PMAQI
15th Jul 2025507 PMAQI
15th Jul 2025568 PMAQI
15th Jul 2025569 PMAQI
15th Jul 20255610 PMAQI
15th Jul 20255611 PMAQI
16th Jul 20255612 AMAQI
16th Jul 2025561 AMAQI
16th Jul 2025562 AMAQI
16th Jul 2025563 AMAQI
16th Jul 2025564 AMAQI
16th Jul 2025565 AMAQI
25°C19/31°C
16th Jul 2025566 AMAQI
16th Jul 2025567 AMAQI
16th Jul 2025358 AMAQI
16th Jul 2025369 AMAQI
16th Jul 20253810 AMAQI
16th Jul 20253611 AMAQI
16th Jul 20254412 PMAQI
16th Jul 2025431 PMAQI
16th Jul 2025472 PMAQI
16th Jul 2025473 PMAQI
16th Jul 2025444 PMAQI
16th Jul 2025435 PMAQI
16th Jul 2025426 PMAQI
16th Jul 2025467 PMAQI
16th Jul 2025548 PMAQI
16th Jul 2025549 PMAQI
16th Jul 20255510 PMAQI
16th Jul 20255411 PMAQI
17th Jul 20255512 AMAQI
17th Jul 2025561 AMAQI
17th Jul 2025552 AMAQI
17th Jul 2025553 AMAQI
17th Jul 2025544 AMAQI
17th Jul 2025555 AMAQI
23°C20/26°C
17th Jul 2025556 AMAQI
17th Jul 2025557 AMAQI
17th Jul 2025388 AMAQI
17th Jul 2025429 AMAQI
17th Jul 20253610 AMAQI
17th Jul 20253811 AMAQI
17th Jul 20254112 PMAQI
17th Jul 2025421 PMAQI
17th Jul 2025462 PMAQI
17th Jul 2025413 PMAQI
17th Jul 2025444 PMAQI
17th Jul 2025485 PMAQI
17th Jul 2025426 PMAQI
17th Jul 2025477 PMAQI
17th Jul 2025548 PMAQI
17th Jul 2025549 PMAQI
17th Jul 20255410 PMAQI
17th Jul 20255411 PMAQI
18th Jul 20255412 AMAQI
18th Jul 2025551 AMAQI
18th Jul 2025552 AMAQI
18th Jul 2025553 AMAQI
18th Jul 2025544 AMAQI
18th Jul 2025545 AMAQI
25°C19/30°C
18th Jul 2025546 AMAQI
18th Jul 2025557 AMAQI
18th Jul 2025308 AMAQI
18th Jul 2025229 AMAQI
18th Jul 20252610 AMAQI
18th Jul 20253311 AMAQI
18th Jul 20254012 PMAQI
18th Jul 2025401 PMAQI
18th Jul 2025412 PMAQI
18th Jul 2025403 PMAQI
18th Jul 2025424 PMAQI
18th Jul 2025415 PMAQI
18th Jul 2025426 PMAQI
18th Jul 2025467 PMAQI
18th Jul 2025548 PMAQI
18th Jul 2025549 PMAQI
18th Jul 20255410 PMAQI
18th Jul 20255411 PMAQI
19th Jul 20255512 AMAQI
19th Jul 2025551 AMAQI
19th Jul 2025542 AMAQI
19th Jul 2025543 AMAQI
19th Jul 2025554 AMAQI
19th Jul 2025555 AMAQI
26°C21/32°C
19th Jul 2025546 AMAQI
19th Jul 2025557 AMAQI
19th Jul 2025418 AMAQI
19th Jul 2025319 AMAQI
19th Jul 20253610 AMAQI
19th Jul 20254211 AMAQI
19th Jul 20253812 PMAQI
19th Jul 2025401 PMAQI
19th Jul 2025442 PMAQI
19th Jul 2025363 PMAQI
19th Jul 2025374 PMAQI
19th Jul 2025345 PMAQI
19th Jul 2025356 PMAQI
19th Jul 2025497 PMAQI
19th Jul 2025548 PMAQI
19th Jul 2025559 PMAQI
19th Jul 20255210 PMAQI
19th Jul 20255111 PMAQI
20th Jul 20255212 AMAQI
20th Jul 2025541 AMAQI
20th Jul 2025552 AMAQI
20th Jul 2025543 AMAQI
20th Jul 2025544 AMAQI
20th Jul 2025535 AMAQI
27°C21/32°C
20th Jul 2025536 AMAQI
20th Jul 2025537 AMAQI
20th Jul 2025528 AMAQI
20th Jul 2025469 AMAQI
20th Jul 20254010 AMAQI
20th Jul 20252611 AMAQI
20th Jul 20252512 PMAQI
20th Jul 2025251 PMAQI
20th Jul 2025262 PMAQI
20th Jul 2025243 PMAQI
20th Jul 2025314 PMAQI
20th Jul 2025295 PMAQI
20th Jul 2025236 PMAQI
20th Jul 2025247 PMAQI
20th Jul 2025418 PMAQI
20th Jul 2025429 PMAQI
20th Jul 20254910 PMAQI
20th Jul 20254511 PMAQI
21st Jul 20254912 AMAQI
21st Jul 2025541 AMAQI
21st Jul 2025542 AMAQI
21st Jul 2025533 AMAQI
21st Jul 2025524 AMAQI
21st Jul 2025525 AMAQI
24°C22/29°C
21st Jul 2025526 AMAQI
21st Jul 2025527 AMAQI
21st Jul 2025418 AMAQI
21st Jul 2025309 AMAQI
21st Jul 20253010 AMAQI
21st Jul 20252911 AMAQI
21st Jul 20252212 PMAQI
21st Jul 2025311 PMAQI
21st Jul 2025232 PMAQI
21st Jul 2025243 PMAQI
21st Jul 2025294 PMAQI
21st Jul 2025455 PMAQI
21st Jul 2025436 PMAQI
21st Jul 2025427 PMAQI
21st Jul 2025508 PMAQI
21st Jul 2025509 PMAQI
21st Jul 20255010 PMAQI
21st Jul 20255211 PMAQI
22nd Jul 20255212 AMAQI
22nd Jul 2025531 AMAQI
22nd Jul 2025532 AMAQI
22nd Jul 2025523 AMAQI
22nd Jul 2025514 AMAQI
22nd Jul 2025505 AMAQI
27°C19/34°C
22nd Jul 2025506 AMAQI
22nd Jul 2025507 AMAQI
22nd Jul 2025398 AMAQI
22nd Jul 2025419 AMAQI
22nd Jul 20255210 AMAQI
22nd Jul 20254811 AMAQI
22nd Jul 20253612 PMAQI
22nd Jul 2025351 PMAQI
22nd Jul 2025402 PMAQI
22nd Jul 2025483 PMAQI
22nd Jul 2025504 PMAQI
22nd Jul 2025385 PMAQI
22nd Jul 2025386 PMAQI
22nd Jul 2025527 PMAQI
22nd Jul 2025538 PMAQI
22nd Jul 2025539 PMAQI
22nd Jul 20255210 PMAQI
22nd Jul 20255011 PMAQI
23rd Jul 20254812 AMAQI
23rd Jul 2025521 AMAQI
23rd Jul 2025522 AMAQI
23rd Jul 2025523 AMAQI
23rd Jul 2025524 AMAQI
23rd Jul 2025525 AMAQI
30°C22/37°C
23rd Jul 2025516 AMAQI
23rd Jul 2025517 AMAQI
23rd Jul 2025518 AMAQI
23rd Jul 2025469 AMAQI
23rd Jul 20255410 AMAQI
23rd Jul 20254611 AMAQI
23rd Jul 20254012 PMAQI
23rd Jul 2025381 PMAQI
23rd Jul 2025342 PMAQI
23rd Jul 2025313 PMAQI
23rd Jul 2025404 PMAQI
23rd Jul 2025565 PMAQI
23rd Jul 2025556 PMAQI
23rd Jul 2025557 PMAQI
23rd Jul 2025568 PMAQI
23rd Jul 2025599 PMAQI
23rd Jul 20255910 PMAQI
23rd Jul 20255811 PMAQI
24th Jul 20255812 AMAQI
24th Jul 2025601 AMAQI
24th Jul 2025542 AMAQI
24th Jul 2025523 AMAQI
24th Jul 2025524 AMAQI
24th Jul 2025525 AMAQI
30°C25/36°C
24th Jul 2025516 AMAQI
24th Jul 2025527 AMAQI
24th Jul 2025458 AMAQI
24th Jul 2025479 AMAQI
24th Jul 20255210 AMAQI
24th Jul 20255611 AMAQI
24th Jul 20255612 PMAQI
24th Jul 2025581 PMAQI
24th Jul 2025582 PMAQI
24th Jul 2025623 PMAQI
24th Jul 2025624 PMAQI
24th Jul 2025555 PMAQI
24th Jul 2025546 PMAQI
24th Jul 2025587 PMAQI
24th Jul 2025588 PMAQI
24th Jul 2025619 PMAQI
24th Jul 20256010 PMAQI
24th Jul 20255811 PMAQI
25th Jul 20256012 AMAQI
25th Jul 2025551 AMAQI
25th Jul 2025542 AMAQI
25th Jul 2025543 AMAQI
25th Jul 2025554 AMAQI
25th Jul 2025555 AMAQI
29°C24/35°C
25th Jul 2025556 AMAQI
25th Jul 2025557 AMAQI
25th Jul 2025428 AMAQI
25th Jul 2025329 AMAQI
25th Jul 20253010 AMAQI
25th Jul 20252811 AMAQI
25th Jul 20252212 PMAQI
25th Jul 2025301 PMAQI
25th Jul 2025302 PMAQI
25th Jul 2025303 PMAQI
25th Jul 2025274 PMAQI
25th Jul 2025285 PMAQI
25th Jul 2025326 PMAQI
25th Jul 2025367 PMAQI
25th Jul 2025518 PMAQI
25th Jul 2025559 PMAQI
25th Jul 20255410 PMAQI
25th Jul 20255411 PMAQI
26th Jul 20255412 AMAQI
26th Jul 2025551 AMAQI
26th Jul 2025562 AMAQI
26th Jul 2025553 AMAQI
26th Jul 2025524 AMAQI
26th Jul 2025535 AMAQI
28°C23/34°C
26th Jul 2025536 AMAQI
26th Jul 2025537 AMAQI
26th Jul 2025598 AMAQI
26th Jul 2025609 AMAQI
26th Jul 20256210 AMAQI
26th Jul 20255611 AMAQI
26th Jul 20255712 PMAQI
26th Jul 2025561 PMAQI
26th Jul 2025532 PMAQI
26th Jul 2025533 PMAQI
26th Jul 2025544 PMAQI
26th Jul 2025555 PMAQI
26th Jul 2025476 PMAQI
26th Jul 2025447 PMAQI
26th Jul 2025528 PMAQI
26th Jul 2025539 PMAQI
26th Jul 20255110 PMAQI
26th Jul 20255111 PMAQI
27th Jul 20255012 AMAQI
27th Jul 2025541 AMAQI
27th Jul 2025542 AMAQI
27th Jul 2025543 AMAQI
27th Jul 2025554 AMAQI
27th Jul 2025555 AMAQI
26°C23/31°C
27th Jul 2025556 AMAQI
27th Jul 2025557 AMAQI
27th Jul 2025488 AMAQI
27th Jul 2025399 AMAQI
27th Jul 20255210 AMAQI
27th Jul 20255411 AMAQI
27th Jul 20255012 PMAQI
27th Jul 2025491 PMAQI
27th Jul 2025382 PMAQI
27th Jul 2025323 PMAQI
27th Jul 2025264 PMAQI
27th Jul 2025405 PMAQI
27th Jul 2025446 PMAQI
27th Jul 2025537 PMAQI
27th Jul 2025528 PMAQI
27th Jul 2025549 PMAQI
27th Jul 20255310 PMAQI
27th Jul 20255311 PMAQI
28th Jul 20255412 AMAQI
28th Jul 2025551 AMAQI
28th Jul 2025552 AMAQI
28th Jul 2025553 AMAQI
28th Jul 2025544 AMAQI
28th Jul 2025535 AMAQI
27°C23/33°C
28th Jul 2025546 AMAQI
28th Jul 2025537 AMAQI
28th Jul 2025408 AMAQI
28th Jul 2025329 AMAQI
28th Jul 20252410 AMAQI
28th Jul 20252411 AMAQI
28th Jul 20252512 PMAQI
28th Jul 2025281 PMAQI
28th Jul 2025342 PMAQI
28th Jul 2025373 PMAQI
28th Jul 2025384 PMAQI
28th Jul 2025345 PMAQI
28th Jul 2025496 PMAQI
28th Jul 2025487 PMAQI
28th Jul 2025508 PMAQI
28th Jul 2025529 PMAQI
28th Jul 20255210 PMAQI
28th Jul 20255111 PMAQI
29th Jul 20255212 AMAQI
29th Jul 2025541 AMAQI
29th Jul 2025542 AMAQI
29th Jul 2025543 AMAQI
29th Jul 2025524 AMAQI
29th Jul 2025525 AMAQI
27°C21/33°C
29th Jul 2025526 AMAQI
29th Jul 2025527 AMAQI
29th Jul 2025508 AMAQI
29th Jul 2025519 AMAQI
29th Jul 20254610 AMAQI
29th Jul 20254511 AMAQI
29th Jul 20254012 PMAQI
29th Jul 2025371 PMAQI
29th Jul 2025422 PMAQI
29th Jul 2025483 PMAQI
29th Jul 2025444 PMAQI
29th Jul 2025375 PMAQI
29th Jul 2025326 PMAQI
29th Jul 2025467 PMAQI
29th Jul 2025488 PMAQI
29th Jul 2025489 PMAQI
29th Jul 20255210 PMAQI
29th Jul 20255111 PMAQI
30th Jul 20254812 AMAQI
30th Jul 2025521 AMAQI
30th Jul 2025532 AMAQI
30th Jul 2025533 AMAQI
30th Jul 2025524 AMAQI
30th Jul 2025525 AMAQI
22°C18/25°C
30th Jul 2025526 AMAQI
30th Jul 2025527 AMAQI
30th Jul 2025358 AMAQI
30th Jul 2025239 AMAQI
30th Jul 20253010 AMAQI
30th Jul 20253811 AMAQI
30th Jul 20252812 PMAQI
30th Jul 2025221 PMAQI
30th Jul 2025282 PMAQI
30th Jul 2025293 PMAQI
30th Jul 2025424 PMAQI
30th Jul 2025425 PMAQI
30th Jul 2025406 PMAQI
30th Jul 2025467 PMAQI
30th Jul 2025508 PMAQI
30th Jul 2025499 PMAQI
30th Jul 20255010 PMAQI
30th Jul 20254411 PMAQI
31st Jul 20254512 AMAQI
31st Jul 2025521 AMAQI
31st Jul 2025522 AMAQI
31st Jul 2025523 AMAQI
31st Jul 2025524 AMAQI
31st Jul 2025525 AMAQI
22°C15/28°C
31st Jul 2025526 AMAQI
31st Jul 2025527 AMAQI
31st Jul 2025528 AMAQI
31st Jul 2025529 AMAQI
31st Jul 20254110 AMAQI
31st Jul 20253011 AMAQI
31st Jul 20253312 PMAQI
31st Jul 2025281 PMAQI
31st Jul 2025242 PMAQI
31st Jul 2025323 PMAQI
31st Jul 2025384 PMAQI
31st Jul 2025375 PMAQI
31st Jul 2025336 PMAQI
31st Jul 2025357 PMAQI
31st Jul 2025478 PMAQI
31st Jul 2025529 PMAQI
31st Jul 20255210 PMAQI
31st Jul 20255211 PMAQI
1st Aug 20254912 AMAQI
1st Aug 2025531 AMAQI
1st Aug 2025522 AMAQI
1st Aug 2025493 AMAQI
1st Aug 2025484 AMAQI
1st Aug 2025485 AMAQI
24°C18/31°C
1st Aug 2025486 AMAQI
1st Aug 2025487 AMAQI
1st Aug 2025438 AMAQI
1st Aug 2025479 AMAQI
1st Aug 20254510 AMAQI
1st Aug 20254611 AMAQI
1st Aug 20253912 PMAQI
1st Aug 2025461 PMAQI
1st Aug 2025372 PMAQI
1st Aug 2025323 PMAQI
1st Aug 2025324 PMAQI
1st Aug 2025325 PMAQI
1st Aug 2025366 PMAQI
1st Aug 2025467 PMAQI
1st Aug 2025528 PMAQI
1st Aug 2025519 PMAQI
1st Aug 20255210 PMAQI
1st Aug 20255911 PMAQI
2nd Aug 20255412 AMAQI
2nd Aug 2025501 AMAQI
2nd Aug 2025482 AMAQI
2nd Aug 2025503 AMAQI
2nd Aug 2025474 AMAQI
2nd Aug 2025495 AMAQI
25°C21/30°C
2nd Aug 2025486 AMAQI
2nd Aug 2025487 AMAQI
2nd Aug 2025498 AMAQI
2nd Aug 2025489 AMAQI
2nd Aug 20255010 AMAQI
2nd Aug 20255211 AMAQI
2nd Aug 20254712 PMAQI
2nd Aug 2025361 PMAQI
2nd Aug 2025452 PMAQI
2nd Aug 2025433 PMAQI
2nd Aug 2025464 PMAQI
2nd Aug 2025465 PMAQI
2nd Aug 2025546 PMAQI
2nd Aug 2025547 PMAQI
2nd Aug 2025558 PMAQI
2nd Aug 2025529 PMAQI
2nd Aug 20254610 PMAQI
2nd Aug 20254011 PMAQI
3rd Aug 20254412 AMAQI
3rd Aug 2025501 AMAQI
3rd Aug 2025502 AMAQI
3rd Aug 2025503 AMAQI
3rd Aug 2025504 AMAQI
3rd Aug 2025525 AMAQI
22°C20/26°C
3rd Aug 2025526 AMAQI
3rd Aug 2025527 AMAQI
3rd Aug 2025328 AMAQI
3rd Aug 2025229 AMAQI
3rd Aug 20252410 AMAQI
3rd Aug 20252511 AMAQI
3rd Aug 20252412 PMAQI
3rd Aug 2025261 PMAQI
3rd Aug 2025242 PMAQI
3rd Aug 2025223 PMAQI
3rd Aug 2025244 PMAQI
3rd Aug 2025245 PMAQI
3rd Aug 2025296 PMAQI
3rd Aug 2025327 PMAQI
3rd Aug 2025438 PMAQI
3rd Aug 2025459 PMAQI
3rd Aug 20254810 PMAQI
3rd Aug 20255011 PMAQI
4th Aug 20255112 AMAQI
4th Aug 2025511 AMAQI
4th Aug 2025512 AMAQI
4th Aug 2025473 AMAQI
4th Aug 2025474 AMAQI
4th Aug 2025465 AMAQI
21°C19/25°C
4th Aug 2025486 AMAQI
4th Aug 2025447 AMAQI
4th Aug 2025418 AMAQI
4th Aug 2025409 AMAQI
4th Aug 20254010 AMAQI
4th Aug 20253111 AMAQI
4th Aug 20252412 PMAQI
4th Aug 2025291 PMAQI
4th Aug 2025262 PMAQI
4th Aug 2025273 PMAQI
4th Aug 2025254 PMAQI
4th Aug 2025255 PMAQI
4th Aug 2025316 PMAQI
4th Aug 2025377 PMAQI
4th Aug 2025468 PMAQI
4th Aug 2025549 PMAQI
4th Aug 20255510 PMAQI
4th Aug 20255611 PMAQI
5th Aug 20255212 AMAQI
5th Aug 2025461 AMAQI
5th Aug 2025462 AMAQI
5th Aug 2025443 AMAQI
5th Aug 2025444 AMAQI
5th Aug 2025425 AMAQI
24°C18/30°C
5th Aug 2025436 AMAQI
5th Aug 2025427 AMAQI
5th Aug 2025448 AMAQI
5th Aug 2025549 AMAQI
5th Aug 20255510 AMAQI
5th Aug 20253911 AMAQI
5th Aug 20255112 PMAQI
5th Aug 2025401 PMAQI
5th Aug 2025352 PMAQI
5th Aug 2025333 PMAQI
5th Aug 2025324 PMAQI
5th Aug 2025325 PMAQI
5th Aug 2025356 PMAQI
5th Aug 2025447 PMAQI
5th Aug 2025508 PMAQI
5th Aug 2025479 PMAQI
5th Aug 20254010 PMAQI
5th Aug 20254011 PMAQI
6th Aug 20254212 AMAQI
6th Aug 2025441 AMAQI
6th Aug 2025432 AMAQI
6th Aug 2025443 AMAQI
6th Aug 2025424 AMAQI
6th Aug 2025425 AMAQI
--°C/°C
6th Aug 2025426 AMAQI
6 AM6th Aug 2025427 AMAQI
1 PM
9 PM
1 AM
5 AM
--°C/°C
Day time
Avg. Highest Time
8 PM - 9 PM
54AQI
2 hours / Day
60 hours / Month
Avg. Lowest Time
9 AM - 6 PM
42AQI
10 hours / Day
300 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 8 PM to 9 PM (Avg. 54), while the lowest AQI was between 9 AM to 6 PM (Avg. 42).
Night time
Avg. Highest Time
12 AM - 11 PM
53AQI
8 hours / Day
240 hours / Month
Avg. Lowest Time
12 AM - 11 PM
53AQI
8 hours / Day
240 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 12 AM to 11 PM (Avg. 53), while the lowest AQI was between 12 AM to 11 PM (Avg. 53).
2025 Days Vs Air Quality
Longfeng District, Daqing, Heilongjiang, China
2025
8%
17
63%
135
21%
45
7%
16
1%
3
Total number of days with different AQI categories in last 217 days in 2025 (148 days remaining)
Good
17 DaysModerate
135 DaysPoor
45 DaysUnhealthy
16 DaysSevere
3 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 8%
Health Risk Level:
Extreme
In 2025, 8% of 217 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
Longfeng District, Daqing, 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
173AQI
173AQI
2nd January 2025
140AQI
140AQI
3rd January 2025
121AQI
121AQI
4th January 2025
170AQI
170AQI
5th January 2025
151AQI
151AQI
6th January 2025
150AQI
150AQI
7th January 2025
117AQI
117AQI
8th January 2025
114AQI
114AQI
9th January 2025
89AQI
89AQI
10th January 2025
106AQI
106AQI
11th January 2025
147AQI
147AQI
12th January 2025
175AQI
175AQI
13th January 2025
192AQI
192AQI
14th January 2025
163AQI
163AQI
15th January 2025
121AQI
121AQI
16th January 2025
111AQI
111AQI
17th January 2025
145AQI
145AQI
18th January 2025
164AQI
164AQI
19th January 2025
183AQI
183AQI
20th January 2025
196AQI
196AQI
21st January 2025
168AQI
168AQI
22nd January 2025
137AQI
137AQI
23rd January 2025
193AQI
193AQI
24th January 2025
218AQI
218AQI
25th January 2025
232AQI
232AQI
26th January 2025
206AQI
206AQI
27th January 2025
132AQI
132AQI
28th January 2025
135AQI
135AQI
29th January 2025
113AQI
113AQI
30th January 2025
106AQI
106AQI
31st January 2025
109AQI
109AQI
1st February 2025
138AQI
138AQI
2nd February 2025
155AQI
155AQI
3rd February 2025
117AQI
117AQI
4th February 2025
96AQI
96AQI
5th February 2025
130AQI
130AQI
6th February 2025
98AQI
98AQI
7th February 2025
86AQI
86AQI
8th February 2025
72AQI
72AQI
9th February 2025
77AQI
77AQI
10th February 2025
114AQI
114AQI
11th February 2025
152AQI
152AQI
12th February 2025
135AQI
135AQI
13th February 2025
111AQI
111AQI
14th February 2025
103AQI
103AQI
15th February 2025
116AQI
116AQI
16th February 2025
83AQI
83AQI
17th February 2025
74AQI
74AQI
18th February 2025
69AQI
69AQI
19th February 2025
69AQI
69AQI
20th February 2025
75AQI
75AQI
21st February 2025
72AQI
72AQI
22nd February 2025
84AQI
84AQI
23rd February 2025
73AQI
73AQI
24th February 2025
80AQI
80AQI
25th February 2025
73AQI
73AQI
26th February 2025
74AQI
74AQI
27th February 2025
87AQI
87AQI
28th February 2025
72AQI
72AQI
1st March 2025
66AQI
66AQI
2nd March 2025
71AQI
71AQI
3rd March 2025
88AQI
88AQI
4th March 2025
98AQI
98AQI
5th March 2025
107AQI
107AQI
6th March 2025
108AQI
108AQI
7th March 2025
101AQI
101AQI
8th March 2025
93AQI
93AQI
9th March 2025
142AQI
142AQI
10th March 2025
155AQI
155AQI
11th March 2025
146AQI
146AQI
12th March 2025
91AQI
91AQI
13th March 2025
88AQI
88AQI
14th March 2025
66AQI
66AQI
15th March 2025
60AQI
60AQI
16th March 2025
67AQI
67AQI
17th March 2025
64AQI
64AQI
18th March 2025
74AQI
74AQI
19th March 2025
113AQI
113AQI
20th March 2025
74AQI
74AQI
21st March 2025
88AQI
88AQI
22nd March 2025
64AQI
64AQI
23rd March 2025
167AQI
167AQI
24th March 2025
89AQI
89AQI
25th March 2025
116AQI
116AQI
26th March 2025
105AQI
105AQI
27th March 2025
74AQI
74AQI
28th March 2025
74AQI
74AQI
29th March 2025
60AQI
60AQI
30th March 2025
66AQI
66AQI
31st March 2025
76AQI
76AQI
1st April 2025
104AQI
104AQI
2nd April 2025
102AQI
102AQI
3rd April 2025
107AQI
107AQI
4th April 2025
136AQI
136AQI
5th April 2025
95AQI
95AQI
6th April 2025
117AQI
117AQI
7th April 2025
110AQI
110AQI
8th April 2025
99AQI
99AQI
9th April 2025
124AQI
124AQI
10th April 2025
149AQI
149AQI
11th April 2025
162AQI
162AQI
12th April 2025
107AQI
107AQI
13th April 2025
93AQI
93AQI
14th April 2025
77AQI
77AQI
15th April 2025
65AQI
65AQI
16th April 2025
60AQI
60AQI
17th April 2025
94AQI
94AQI
18th April 2025
63AQI
63AQI
19th April 2025
76AQI
76AQI
20th April 2025
77AQI
77AQI
21st April 2025
74AQI
74AQI
22nd April 2025
58AQI
58AQI
23rd April 2025
71AQI
71AQI
24th April 2025
59AQI
59AQI
25th April 2025
52AQI
52AQI
26th April 2025
63AQI
63AQI
27th April 2025
86AQI
86AQI
28th April 2025
65AQI
65AQI
29th April 2025
100AQI
100AQI
30th April 2025
52AQI
52AQI
1st May 2025
72AQI
72AQI
2nd May 2025
57AQI
57AQI
3rd May 2025
60AQI
60AQI
4th May 2025
51AQI
51AQI
5th May 2025
53AQI
53AQI
6th May 2025
59AQI
59AQI
7th May 2025
69AQI
69AQI
8th May 2025
74AQI
74AQI
9th May 2025
73AQI
73AQI
10th May 2025
68AQI
68AQI
11th May 2025
87AQI
87AQI
12th May 2025
106AQI
106AQI
13th May 2025
103AQI
103AQI
14th May 2025
92AQI
92AQI
15th May 2025
117AQI
117AQI
16th May 2025
83AQI
83AQI
17th May 2025
78AQI
78AQI
18th May 2025
75AQI
75AQI
19th May 2025
70AQI
70AQI
20th May 2025
85AQI
85AQI
21st May 2025
64AQI
64AQI
22nd May 2025
64AQI
64AQI
23rd May 2025
59AQI
59AQI
24th May 2025
63AQI
63AQI
25th May 2025
67AQI
67AQI
26th May 2025
74AQI
74AQI
27th May 2025
82AQI
82AQI
28th May 2025
93AQI
93AQI
29th May 2025
90AQI
90AQI
30th May 2025
101AQI
101AQI
31st May 2025
95AQI
95AQI
1st June 2025
73AQI
73AQI
2nd June 2025
74AQI
74AQI
3rd June 2025
65AQI
65AQI
4th June 2025
69AQI
69AQI
5th June 2025
57AQI
57AQI
6th June 2025
56AQI
56AQI
7th June 2025
54AQI
54AQI
8th June 2025
63AQI
63AQI
9th June 2025
50AQI
50AQI
10th June 2025
52AQI
52AQI
11th June 2025
52AQI
52AQI
12th June 2025
59AQI
59AQI
13th June 2025
66AQI
66AQI
14th June 2025
58AQI
58AQI
15th June 2025
68AQI
68AQI
16th June 2025
60AQI
60AQI
17th June 2025
58AQI
58AQI
18th June 2025
61AQI
61AQI
19th June 2025
60AQI
60AQI
20th June 2025
58AQI
58AQI
21st June 2025
55AQI
55AQI
22nd June 2025
55AQI
55AQI
23rd June 2025
56AQI
56AQI
24th June 2025
59AQI
59AQI
25th June 2025
60AQI
60AQI
26th June 2025
60AQI
60AQI
27th June 2025
62AQI
62AQI
28th June 2025
59AQI
59AQI
29th June 2025
62AQI
62AQI
30th June 2025
68AQI
68AQI
1st July 2025
59AQI
59AQI
2nd July 2025
58AQI
58AQI
3rd July 2025
60AQI
60AQI
4th July 2025
58AQI
58AQI
5th July 2025
56AQI
56AQI
6th July 2025
58AQI
58AQI
7th July 2025
55AQI
55AQI
8th July 2025
55AQI
55AQI
9th July 2025
55AQI
55AQI
10th July 2025
58AQI
58AQI
11th July 2025
62AQI
62AQI
12th July 2025
54AQI
54AQI
13th July 2025
54AQI
54AQI
14th July 2025
53AQI
53AQI
15th July 2025
51AQI
51AQI
16th July 2025
51AQI
51AQI
17th July 2025
50AQI
50AQI
18th July 2025
48AQI
48AQI
19th July 2025
47AQI
47AQI
20th July 2025
41AQI
41AQI
21st July 2025
44AQI
44AQI
22nd July 2025
48AQI
48AQI
23rd July 2025
51AQI
51AQI
24th July 2025
56AQI
56AQI
25th July 2025
44AQI
44AQI
26th July 2025
53AQI
53AQI
27th July 2025
50AQI
50AQI
28th July 2025
45AQI
45AQI
29th July 2025
48AQI
48AQI
30th July 2025
44AQI
44AQI
31st July 2025
44AQI
44AQI
1st August 2025
46AQI
46AQI
2nd August 2025
48AQI
48AQI
3rd August 2025
39AQI
39AQI
4th August 2025
43AQI
43AQI
151AQI
96AQI
92AQI
90AQI
77AQI
60AQI
52AQI
44AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202587AQI
1
16
11
3
18
8
2
21
8
2
20
9
1
27
4
1
29
12
19
4
17
135
45
16
3
Highest AQI recorded in
January151AQI
Lowest AQI recorded in
August44AQI
202486AQI
14
12
3
2
16
11
1
1
27
4
16
10
3
1
29
2
9
21
11
12
7
1
20
11
8
22
26
4
1
11
10
3
6
22
9
48
227
69
12
10
Highest AQI recorded in
November139AQI
Lowest AQI recorded in
August47AQI
202375AQI
14
9
7
1
16
9
3
24
6
1
3
15
10
1
1
9
19
2
1
15
15
25
4
1
1
31
23
7
12
16
2
1
1
15
6
4
1
17
11
2
120
162
56
20
3
Highest AQI recorded in
January116AQI
Lowest AQI recorded in
August34AQI
202272AQI
9
10
9
3
14
5
2
1
27
2
1
1
13
3
17
12
2
25
5
22
1
2
22
6
15
13
3
1
17
9
2
1
4
20
6
1
110
137
40
15
4
Highest AQI recorded in
January135AQI
Lowest AQI recorded in
July33AQI
202177AQI
1
11
11
7
16
8
4
1
20
8
2
3
18
6
1
2
15
13
3
9
20
1
18
13
14
5
2
21
9
8
21
2
4
15
9
2
18
11
2
94
179
61
18
2
Highest AQI recorded in
January117AQI
Lowest AQI recorded in
September47AQI
202058AQI
12
1
2
13
4
1
1
5
13
23
6
1
15
16
30
1
30
24
6
1
4
20
6
23
7
1
133
110
19
3
1
Highest AQI recorded in
December93AQI
Lowest AQI recorded in
September29AQI
Most & Least Polluted Years Over the Last 6 Years
Most Polluted Year Recorded
2025(Avg.)
87AQILeast Polluted Year Recorded
2020(Avg.)
58AQILongfeng District's annual 2025 AQI (87) shows an average percentage change of 20.7% (worsened AQI) compared to previous years: 2020 (58), 2021 (77), 2022 (72), 2023 (75), 2024 (86).
