Country Background
HistoryAQIPM2.5PM10COSO2NO2O3

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+

July Air Quality Analysis

Longfeng District, Daqing, Heilongjiang, China

2021
2022
2023
2024
2025
AQI
.
Days

AQI Trends: Highest and Lowest

Highest AQI recorded on
12th Jul 2023
156AQI
Lowest AQI recorded on
24th Jul 2022
17AQI

Same Day Analysis (2nd July ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 3rd highest AQI at 59 of Moderate air quality, showing improvement over 2024 and 2021 on the same day.

Download 2024 Annual Data

World Air Quality Report

Globe

Day & Night AQI Trend: 2nd Jul - 3rd Jul 2025

Longfeng District, Daqing, Heilongjiang, China

AQI
Day
Night
.

5 AM2nd Jul 2025

9 PM

4 AM3rd Jul 2025

Day time
Avg. Highest Time
5AM2nd Jul

61AQI

Avg. Lowest Time
11AM2nd Jul

45AQI

Night time
Avg. Highest Time
2AM3rd Jul

61AQI

Avg. Lowest Time
1AM3rd Jul

60AQI

In the last 24 hours,

Longfeng District's AQI reached its highest point of 61 at 5 AM during the Day, while the lowest point, 45, was recorded at 11 AM during the Day between 2nd Jul and 3rd Jul 2025.

Day & Night AQI Trend : Jun - Jul 2025

Longfeng District, Daqing, Heilongjiang, China

JunJul
03rd - 04th04th - 05th05th - 06th06th - 07th07th - 08th08th - 09th09th - 10th10th - 11th11th - 12th12th - 13th13th - 14th14th - 15th15th - 16th16th - 17th17th - 18th18th - 19th19th - 20th20th - 21st21st - 22nd22nd - 23rd23rd - 24th24th - 25th25th - 26th26th - 27th27th - 28th28th - 29th29th - 30th30th - 01st01st - 02nd02nd - 03rd03rd
Day
Night
3rd Jun 2025745 AMAQI
3rd Jun 2025766 AMAQI
3rd Jun 2025767 AMAQI
3rd Jun 2025718 AMAQI
3rd Jun 2025589 AMAQI
3rd Jun 20255810 AMAQI
3rd Jun 20256011 AMAQI
3rd Jun 20256012 PMAQI
3rd Jun 2025601 PMAQI
3rd Jun 2025532 PMAQI
3rd Jun 2025593 PMAQI
3rd Jun 2025534 PMAQI
3rd Jun 2025595 PMAQI
3rd Jun 2025546 PMAQI
3rd Jun 2025547 PMAQI
3rd Jun 2025568 PMAQI
3rd Jun 2025729 PMAQI
3rd Jun 20257310 PMAQI
3rd Jun 20257011 PMAQI
4th Jun 20257712 AMAQI
4th Jun 2025731 AMAQI
4th Jun 2025742 AMAQI
4th Jun 2025753 AMAQI
4th Jun 2025754 AMAQI

15°C12/18°C

4th Jun 2025765 AMAQI
4th Jun 2025806 AMAQI
4th Jun 2025967 AMAQI
4th Jun 2025728 AMAQI
4th Jun 2025609 AMAQI
4th Jun 20256210 AMAQI
4th Jun 20256411 AMAQI
4th Jun 20256012 PMAQI
4th Jun 2025601 PMAQI
4th Jun 2025632 PMAQI
4th Jun 2025683 PMAQI
4th Jun 2025714 PMAQI
4th Jun 2025695 PMAQI
4th Jun 2025566 PMAQI
4th Jun 2025627 PMAQI
4th Jun 2025748 PMAQI
4th Jun 2025569 PMAQI
4th Jun 20256410 PMAQI
4th Jun 20256211 PMAQI
5th Jun 20256012 AMAQI
5th Jun 2025581 AMAQI
5th Jun 2025632 AMAQI
5th Jun 2025643 AMAQI
5th Jun 2025624 AMAQI

18°C11/23°C

5th Jun 2025615 AMAQI
5th Jun 2025636 AMAQI
5th Jun 2025617 AMAQI
5th Jun 2025548 AMAQI
5th Jun 2025549 AMAQI
5th Jun 20255310 AMAQI
5th Jun 20255411 AMAQI
5th Jun 20255712 PMAQI
5th Jun 2025531 PMAQI
5th Jun 2025542 PMAQI
5th Jun 2025603 PMAQI
5th Jun 2025544 PMAQI
5th Jun 2025555 PMAQI
5th Jun 2025496 PMAQI
5th Jun 2025497 PMAQI
5th Jun 2025548 PMAQI
5th Jun 2025539 PMAQI
5th Jun 20255810 PMAQI
5th Jun 20256511 PMAQI
6th Jun 20256212 AMAQI
6th Jun 2025641 AMAQI
6th Jun 2025672 AMAQI
6th Jun 2025683 AMAQI
6th Jun 2025664 AMAQI

18°C15/23°C

6th Jun 2025675 AMAQI
6th Jun 2025726 AMAQI
6th Jun 2025707 AMAQI
6th Jun 2025418 AMAQI
6th Jun 2025559 AMAQI
6th Jun 20255010 AMAQI
6th Jun 20255011 AMAQI
6th Jun 20255212 PMAQI
6th Jun 2025501 PMAQI
6th Jun 2025432 PMAQI
6th Jun 2025563 PMAQI
6th Jun 2025544 PMAQI
6th Jun 2025525 PMAQI
6th Jun 2025396 PMAQI
6th Jun 2025427 PMAQI
6th Jun 2025558 PMAQI
6th Jun 2025569 PMAQI
6th Jun 20255810 PMAQI
6th Jun 20255711 PMAQI
7th Jun 20254212 AMAQI
7th Jun 2025561 AMAQI
7th Jun 2025542 AMAQI
7th Jun 2025553 AMAQI
7th Jun 2025554 AMAQI

15°C12/20°C

7th Jun 2025555 AMAQI
7th Jun 2025566 AMAQI
7th Jun 2025547 AMAQI
7th Jun 2025568 AMAQI
7th Jun 2025539 AMAQI
7th Jun 20255110 AMAQI
7th Jun 20255411 AMAQI
7th Jun 20254412 PMAQI
7th Jun 2025491 PMAQI
7th Jun 2025622 PMAQI
7th Jun 2025563 PMAQI
7th Jun 2025554 PMAQI
7th Jun 2025525 PMAQI
7th Jun 2025486 PMAQI
7th Jun 2025527 PMAQI
7th Jun 2025578 PMAQI
7th Jun 2025579 PMAQI
7th Jun 20256610 PMAQI
7th Jun 20256511 PMAQI
8th Jun 20256012 AMAQI
8th Jun 2025541 AMAQI
8th Jun 2025542 AMAQI
8th Jun 2025553 AMAQI
8th Jun 2025544 AMAQI

18°C13/22°C

8th Jun 2025545 AMAQI
8th Jun 2025566 AMAQI
8th Jun 2025567 AMAQI
8th Jun 2025488 AMAQI
8th Jun 2025409 AMAQI
8th Jun 20255210 AMAQI
8th Jun 20254911 AMAQI
8th Jun 20254312 PMAQI
8th Jun 2025521 PMAQI
8th Jun 2025622 PMAQI
8th Jun 2025743 PMAQI
8th Jun 2025804 PMAQI
8th Jun 2025755 PMAQI
8th Jun 2025756 PMAQI
8th Jun 2025737 PMAQI
8th Jun 2025798 PMAQI
8th Jun 2025709 PMAQI
8th Jun 20256810 PMAQI
8th Jun 20255611 PMAQI
9th Jun 20255612 AMAQI
9th Jun 2025541 AMAQI
9th Jun 2025552 AMAQI
9th Jun 2025543 AMAQI
9th Jun 2025534 AMAQI

20°C14/26°C

9th Jun 2025535 AMAQI
9th Jun 2025546 AMAQI
9th Jun 2025557 AMAQI
9th Jun 2025418 AMAQI
9th Jun 2025509 AMAQI
9th Jun 20255410 AMAQI
9th Jun 20255511 AMAQI
9th Jun 20255012 PMAQI
9th Jun 2025541 PMAQI
9th Jun 2025462 PMAQI
9th Jun 2025403 PMAQI
9th Jun 2025354 PMAQI
9th Jun 2025365 PMAQI
9th Jun 2025426 PMAQI
9th Jun 2025527 PMAQI
9th Jun 2025528 PMAQI
9th Jun 2025529 PMAQI
9th Jun 20255510 PMAQI
9th Jun 20255411 PMAQI
10th Jun 20255612 AMAQI
10th Jun 2025541 AMAQI
10th Jun 2025542 AMAQI
10th Jun 2025543 AMAQI
10th Jun 2025544 AMAQI

18°C13/22°C

10th Jun 2025545 AMAQI
10th Jun 2025546 AMAQI
10th Jun 2025547 AMAQI
10th Jun 2025588 AMAQI
10th Jun 2025609 AMAQI
10th Jun 20255710 AMAQI
10th Jun 20255611 AMAQI
10th Jun 20254812 PMAQI
10th Jun 2025501 PMAQI
10th Jun 2025442 PMAQI
10th Jun 2025443 PMAQI
10th Jun 2025444 PMAQI
10th Jun 2025485 PMAQI
10th Jun 2025446 PMAQI
10th Jun 2025447 PMAQI
10th Jun 2025508 PMAQI
10th Jun 2025549 PMAQI
10th Jun 20255410 PMAQI
10th Jun 20255411 PMAQI
11th Jun 20255612 AMAQI
11th Jun 2025561 AMAQI
11th Jun 2025572 AMAQI
11th Jun 2025553 AMAQI
11th Jun 2025554 AMAQI

14°C13/14°C

11th Jun 2025545 AMAQI
11th Jun 2025556 AMAQI
11th Jun 2025557 AMAQI
11th Jun 2025488 AMAQI
11th Jun 2025509 AMAQI
11th Jun 20254610 AMAQI
11th Jun 20255311 AMAQI
11th Jun 20255312 PMAQI
11th Jun 2025521 PMAQI
11th Jun 2025432 PMAQI
11th Jun 2025503 PMAQI
11th Jun 2025414 PMAQI
11th Jun 2025365 PMAQI
11th Jun 2025386 PMAQI
11th Jun 2025537 PMAQI
11th Jun 2025548 PMAQI
11th Jun 2025569 PMAQI
11th Jun 20255710 PMAQI
11th Jun 20255411 PMAQI
12th Jun 20255412 AMAQI
12th Jun 2025561 AMAQI
12th Jun 2025562 AMAQI
12th Jun 2025563 AMAQI
12th Jun 2025554 AMAQI

21°C12/29°C

12th Jun 2025555 AMAQI
12th Jun 2025566 AMAQI
12th Jun 2025567 AMAQI
12th Jun 2025588 AMAQI
12th Jun 2025589 AMAQI
12th Jun 20255610 AMAQI
12th Jun 20255611 AMAQI
12th Jun 20255712 PMAQI
12th Jun 2025601 PMAQI
12th Jun 2025552 PMAQI
12th Jun 2025513 PMAQI
12th Jun 2025584 PMAQI
12th Jun 2025585 PMAQI
12th Jun 2025706 PMAQI
12th Jun 2025647 PMAQI
12th Jun 2025678 PMAQI
12th Jun 2025729 PMAQI
12th Jun 20257010 PMAQI
12th Jun 20256911 PMAQI
13th Jun 20256912 AMAQI
13th Jun 2025581 AMAQI
13th Jun 2025562 AMAQI
13th Jun 2025563 AMAQI
13th Jun 2025574 AMAQI

22°C19/25°C

13th Jun 2025565 AMAQI
13th Jun 2025576 AMAQI
13th Jun 2025577 AMAQI
13th Jun 2025668 AMAQI
13th Jun 2025639 AMAQI
13th Jun 20255310 AMAQI
13th Jun 20256011 AMAQI
13th Jun 20255712 PMAQI
13th Jun 2025681 PMAQI
13th Jun 2025702 PMAQI
13th Jun 2025693 PMAQI
13th Jun 2025694 PMAQI
13th Jun 2025705 PMAQI
13th Jun 2025766 PMAQI
13th Jun 2025737 PMAQI
13th Jun 2025778 PMAQI
13th Jun 2025729 PMAQI
13th Jun 20257610 PMAQI
13th Jun 20257511 PMAQI
14th Jun 20256512 AMAQI
14th Jun 2025651 AMAQI
14th Jun 2025652 AMAQI
14th Jun 2025643 AMAQI
14th Jun 2025624 AMAQI

22°C19/27°C

14th Jun 2025625 AMAQI
14th Jun 2025626 AMAQI
14th Jun 2025637 AMAQI
14th Jun 2025568 AMAQI
14th Jun 2025609 AMAQI
14th Jun 20256410 AMAQI
14th Jun 20255911 AMAQI
14th Jun 20255012 PMAQI
14th Jun 2025541 PMAQI
14th Jun 2025442 PMAQI
14th Jun 2025383 PMAQI
14th Jun 2025494 PMAQI
14th Jun 2025535 PMAQI
14th Jun 2025466 PMAQI
14th Jun 2025437 PMAQI
14th Jun 2025568 PMAQI
14th Jun 2025609 PMAQI
14th Jun 20256210 PMAQI
14th Jun 20256611 PMAQI
15th Jun 20256412 AMAQI
15th Jun 2025641 AMAQI
15th Jun 2025672 AMAQI
15th Jun 2025663 AMAQI
15th Jun 2025624 AMAQI

22°C17/27°C

15th Jun 2025655 AMAQI
15th Jun 2025656 AMAQI
15th Jun 2025657 AMAQI
15th Jun 2025638 AMAQI
15th Jun 2025649 AMAQI
15th Jun 20257710 AMAQI
15th Jun 20259211 AMAQI
15th Jun 20258812 PMAQI
15th Jun 2025741 PMAQI
15th Jun 2025792 PMAQI
15th Jun 2025923 PMAQI
15th Jun 2025684 PMAQI
15th Jun 2025615 PMAQI
15th Jun 2025616 PMAQI
15th Jun 2025627 PMAQI
15th Jun 2025638 PMAQI
15th Jun 2025689 PMAQI
15th Jun 20257010 PMAQI
15th Jun 20256511 PMAQI
16th Jun 20256212 AMAQI
16th Jun 2025661 AMAQI
16th Jun 2025662 AMAQI
16th Jun 2025693 AMAQI
16th Jun 2025684 AMAQI

24°C20/30°C

16th Jun 2025675 AMAQI
16th Jun 2025666 AMAQI
16th Jun 2025687 AMAQI
16th Jun 2025608 AMAQI
16th Jun 2025509 AMAQI
16th Jun 20253810 AMAQI
16th Jun 20254311 AMAQI
16th Jun 20255412 PMAQI
16th Jun 2025491 PMAQI
16th Jun 2025552 PMAQI
16th Jun 2025553 PMAQI
16th Jun 2025564 PMAQI
16th Jun 2025535 PMAQI
16th Jun 2025586 PMAQI
16th Jun 2025587 PMAQI
16th Jun 2025638 PMAQI
16th Jun 2025609 PMAQI
16th Jun 20256110 PMAQI
16th Jun 20256011 PMAQI
17th Jun 20256312 AMAQI
17th Jun 2025681 AMAQI
17th Jun 2025662 AMAQI
17th Jun 2025633 AMAQI
17th Jun 2025644 AMAQI

19°C17/21°C

17th Jun 2025625 AMAQI
17th Jun 2025636 AMAQI
17th Jun 2025647 AMAQI
17th Jun 2025618 AMAQI
17th Jun 2025589 AMAQI
17th Jun 20255710 AMAQI
17th Jun 20255511 AMAQI
17th Jun 20255412 PMAQI
17th Jun 2025581 PMAQI
17th Jun 2025492 PMAQI
17th Jun 2025513 PMAQI
17th Jun 2025424 PMAQI
17th Jun 2025415 PMAQI
17th Jun 2025296 PMAQI
17th Jun 2025487 PMAQI
17th Jun 2025618 PMAQI
17th Jun 2025629 PMAQI
17th Jun 20256210 PMAQI
17th Jun 20256411 PMAQI
18th Jun 20256312 AMAQI
18th Jun 2025641 AMAQI
18th Jun 2025632 AMAQI
18th Jun 2025643 AMAQI
18th Jun 2025634 AMAQI

20°C14/25°C

18th Jun 2025625 AMAQI
18th Jun 2025626 AMAQI
18th Jun 2025627 AMAQI
18th Jun 2025638 AMAQI
18th Jun 2025559 AMAQI
18th Jun 20255210 AMAQI
18th Jun 20255311 AMAQI
18th Jun 20255612 PMAQI
18th Jun 2025551 PMAQI
18th Jun 2025542 PMAQI
18th Jun 2025583 PMAQI
18th Jun 2025584 PMAQI
18th Jun 2025565 PMAQI
18th Jun 2025636 PMAQI
18th Jun 2025667 PMAQI
18th Jun 2025628 PMAQI
18th Jun 2025639 PMAQI
18th Jun 20256310 PMAQI
18th Jun 20256411 PMAQI
19th Jun 20256412 AMAQI
19th Jun 2025621 AMAQI
19th Jun 2025622 AMAQI
19th Jun 2025623 AMAQI
19th Jun 2025624 AMAQI

24°C16/30°C

19th Jun 2025625 AMAQI
19th Jun 2025626 AMAQI
19th Jun 2025627 AMAQI
19th Jun 2025568 AMAQI
19th Jun 2025509 AMAQI
19th Jun 20254310 AMAQI
19th Jun 20255311 AMAQI
19th Jun 20256412 PMAQI
19th Jun 2025611 PMAQI
19th Jun 2025592 PMAQI
19th Jun 2025563 PMAQI
19th Jun 2025604 PMAQI
19th Jun 2025555 PMAQI
19th Jun 2025566 PMAQI
19th Jun 2025567 PMAQI
19th Jun 2025628 PMAQI
19th Jun 2025629 PMAQI
19th Jun 20256210 PMAQI
19th Jun 20256211 PMAQI
20th Jun 20256212 AMAQI
20th Jun 2025621 AMAQI
20th Jun 2025632 AMAQI
20th Jun 2025643 AMAQI
20th Jun 2025624 AMAQI

23°C18/28°C

20th Jun 2025625 AMAQI
20th Jun 2025626 AMAQI
20th Jun 2025627 AMAQI
20th Jun 2025478 AMAQI
20th Jun 2025489 AMAQI
20th Jun 20253810 AMAQI
20th Jun 20254411 AMAQI
20th Jun 20255412 PMAQI
20th Jun 2025541 PMAQI
20th Jun 2025572 PMAQI
20th Jun 2025543 PMAQI
20th Jun 2025584 PMAQI
20th Jun 2025565 PMAQI
20th Jun 2025556 PMAQI
20th Jun 2025567 PMAQI
20th Jun 2025598 PMAQI
20th Jun 2025589 PMAQI
20th Jun 20256010 PMAQI
20th Jun 20255911 PMAQI
21st Jun 20256012 AMAQI
21st Jun 2025611 AMAQI
21st Jun 2025622 AMAQI
21st Jun 2025613 AMAQI
21st Jun 2025604 AMAQI

18°C15/23°C

21st Jun 2025615 AMAQI
21st Jun 2025616 AMAQI
21st Jun 2025607 AMAQI
21st Jun 2025418 AMAQI
21st Jun 2025489 AMAQI
21st Jun 20254010 AMAQI
21st Jun 20253711 AMAQI
21st Jun 20254712 PMAQI
21st Jun 2025501 PMAQI
21st Jun 2025462 PMAQI
21st Jun 2025463 PMAQI
21st Jun 2025554 PMAQI
21st Jun 2025565 PMAQI
21st Jun 2025556 PMAQI
21st Jun 2025547 PMAQI
21st Jun 2025558 PMAQI
21st Jun 2025559 PMAQI
21st Jun 20255510 PMAQI
21st Jun 20255511 PMAQI
22nd Jun 20255512 AMAQI
22nd Jun 2025551 AMAQI
22nd Jun 2025552 AMAQI
22nd Jun 2025553 AMAQI
22nd Jun 2025554 AMAQI

17°C14/23°C

22nd Jun 2025555 AMAQI
22nd Jun 2025556 AMAQI
22nd Jun 2025557 AMAQI
22nd Jun 2025558 AMAQI
22nd Jun 2025559 AMAQI
22nd Jun 20255510 AMAQI
22nd Jun 20255511 AMAQI
22nd Jun 20255512 PMAQI
22nd Jun 2025551 PMAQI
22nd Jun 2025552 PMAQI
22nd Jun 2025553 PMAQI
22nd Jun 2025554 PMAQI
22nd Jun 2025555 PMAQI
22nd Jun 2025556 PMAQI
22nd Jun 2025557 PMAQI
22nd Jun 2025558 PMAQI
22nd Jun 2025559 PMAQI
22nd Jun 20255510 PMAQI
22nd Jun 20255511 PMAQI
23rd Jun 20255512 AMAQI
23rd Jun 2025551 AMAQI
23rd Jun 2025552 AMAQI
23rd Jun 2025553 AMAQI
23rd Jun 2025554 AMAQI

24°C16/31°C

23rd Jun 2025565 AMAQI
23rd Jun 2025546 AMAQI
23rd Jun 2025547 AMAQI
23rd Jun 2025598 AMAQI
23rd Jun 2025649 AMAQI
23rd Jun 20256110 AMAQI
23rd Jun 20255311 AMAQI
23rd Jun 20255312 PMAQI
23rd Jun 2025551 PMAQI
23rd Jun 2025542 PMAQI
23rd Jun 2025563 PMAQI
23rd Jun 2025584 PMAQI
23rd Jun 2025565 PMAQI
23rd Jun 2025556 PMAQI
23rd Jun 2025577 PMAQI
23rd Jun 2025568 PMAQI
23rd Jun 2025569 PMAQI
23rd Jun 20255610 PMAQI
23rd Jun 20255611 PMAQI
24th Jun 20255612 AMAQI
24th Jun 2025551 AMAQI
24th Jun 2025552 AMAQI
24th Jun 2025543 AMAQI
24th Jun 2025554 AMAQI

29°C21/37°C

24th Jun 2025555 AMAQI
24th Jun 2025556 AMAQI
24th Jun 2025557 AMAQI
24th Jun 2025698 AMAQI
24th Jun 2025789 AMAQI
24th Jun 20257810 AMAQI
24th Jun 20257211 AMAQI
24th Jun 20256612 PMAQI
24th Jun 2025651 PMAQI
24th Jun 2025652 PMAQI
24th Jun 2025653 PMAQI
24th Jun 2025644 PMAQI
24th Jun 2025615 PMAQI
24th Jun 2025606 PMAQI
24th Jun 2025587 PMAQI
24th Jun 2025578 PMAQI
24th Jun 2025579 PMAQI
24th Jun 20255710 PMAQI
24th Jun 20255611 PMAQI
25th Jun 20255612 AMAQI
25th Jun 2025561 AMAQI
25th Jun 2025552 AMAQI
25th Jun 2025563 AMAQI
25th Jun 2025574 AMAQI

31°C23/38°C

25th Jun 2025575 AMAQI
25th Jun 2025576 AMAQI
25th Jun 2025567 AMAQI
25th Jun 2025708 AMAQI
25th Jun 2025709 AMAQI
25th Jun 20257210 AMAQI
25th Jun 20256911 AMAQI
25th Jun 20256712 PMAQI
25th Jun 2025641 PMAQI
25th Jun 2025622 PMAQI
25th Jun 2025603 PMAQI
25th Jun 2025584 PMAQI
25th Jun 2025625 PMAQI
25th Jun 2025626 PMAQI
25th Jun 2025627 PMAQI
25th Jun 2025588 PMAQI
25th Jun 2025589 PMAQI
25th Jun 20255810 PMAQI
25th Jun 20255811 PMAQI
26th Jun 20255712 AMAQI
26th Jun 2025571 AMAQI
26th Jun 2025572 AMAQI
26th Jun 2025573 AMAQI
26th Jun 2025574 AMAQI

31°C24/38°C

26th Jun 2025585 AMAQI
26th Jun 2025586 AMAQI
26th Jun 2025577 AMAQI
26th Jun 2025758 AMAQI
26th Jun 2025809 AMAQI
26th Jun 20257910 AMAQI
26th Jun 20257211 AMAQI
26th Jun 20256312 PMAQI
26th Jun 2025621 PMAQI
26th Jun 2025632 PMAQI
26th Jun 2025613 PMAQI
26th Jun 2025624 PMAQI
26th Jun 2025605 PMAQI
26th Jun 2025576 PMAQI
26th Jun 2025587 PMAQI
26th Jun 2025588 PMAQI
26th Jun 2025599 PMAQI
26th Jun 20256010 PMAQI
26th Jun 20255811 PMAQI
27th Jun 20255912 AMAQI
27th Jun 2025571 AMAQI
27th Jun 2025582 AMAQI
27th Jun 2025573 AMAQI
27th Jun 2025584 AMAQI

30°C24/35°C

27th Jun 2025585 AMAQI
27th Jun 2025586 AMAQI
27th Jun 2025587 AMAQI
27th Jun 2025708 AMAQI
27th Jun 2025729 AMAQI
27th Jun 20257110 AMAQI
27th Jun 20256611 AMAQI
27th Jun 20256412 PMAQI
27th Jun 2025651 PMAQI
27th Jun 2025692 PMAQI
27th Jun 2025683 PMAQI
27th Jun 2025684 PMAQI
27th Jun 2025685 PMAQI
27th Jun 2025706 PMAQI
27th Jun 2025697 PMAQI
27th Jun 2025618 PMAQI
27th Jun 2025629 PMAQI
27th Jun 20256210 PMAQI
27th Jun 20256211 PMAQI
28th Jun 20256112 AMAQI
28th Jun 2025591 AMAQI
28th Jun 2025592 AMAQI
28th Jun 2025593 AMAQI
28th Jun 2025614 AMAQI

30°C25/36°C

28th Jun 2025605 AMAQI
28th Jun 2025606 AMAQI
28th Jun 2025607 AMAQI
28th Jun 2025568 AMAQI
28th Jun 2025539 AMAQI
28th Jun 20255310 AMAQI
28th Jun 20255511 AMAQI
28th Jun 20255812 PMAQI
28th Jun 2025551 PMAQI
28th Jun 2025532 PMAQI
28th Jun 2025503 PMAQI
28th Jun 2025544 PMAQI
28th Jun 2025555 PMAQI
28th Jun 2025556 PMAQI
28th Jun 2025607 PMAQI
28th Jun 2025628 PMAQI
28th Jun 2025629 PMAQI
28th Jun 20256110 PMAQI
28th Jun 20256311 PMAQI
29th Jun 20256312 AMAQI
29th Jun 2025611 AMAQI
29th Jun 2025612 AMAQI
29th Jun 2025613 AMAQI
29th Jun 2025604 AMAQI

24°C22/28°C

29th Jun 2025605 AMAQI
29th Jun 2025606 AMAQI
29th Jun 2025607 AMAQI
29th Jun 2025688 AMAQI
29th Jun 2025709 AMAQI
29th Jun 20256710 AMAQI
29th Jun 20256211 AMAQI
29th Jun 20256312 PMAQI
29th Jun 2025621 PMAQI
29th Jun 2025612 PMAQI
29th Jun 2025633 PMAQI
29th Jun 2025584 PMAQI
29th Jun 2025565 PMAQI
29th Jun 2025586 PMAQI
29th Jun 2025607 PMAQI
29th Jun 2025628 PMAQI
29th Jun 2025629 PMAQI
29th Jun 20256010 PMAQI
29th Jun 20256111 PMAQI
30th Jun 20256012 AMAQI
30th Jun 2025611 AMAQI
30th Jun 2025622 AMAQI
30th Jun 2025623 AMAQI
30th Jun 2025624 AMAQI

26°C21/31°C

30th Jun 2025635 AMAQI
30th Jun 2025626 AMAQI
30th Jun 2025637 AMAQI
30th Jun 2025838 AMAQI
30th Jun 20251049 AMAQI
30th Jun 202512110 AMAQI
30th Jun 202511711 AMAQI
30th Jun 20257612 PMAQI
30th Jun 2025751 PMAQI
30th Jun 2025732 PMAQI
30th Jun 2025723 PMAQI
30th Jun 2025664 PMAQI
30th Jun 2025635 PMAQI
30th Jun 2025626 PMAQI
30th Jun 2025627 PMAQI
30th Jun 2025608 PMAQI
30th Jun 2025609 PMAQI
30th Jun 20256110 PMAQI
30th Jun 20256111 PMAQI
1st Jul 20256012 AMAQI
1st Jul 2025611 AMAQI
1st Jul 2025612 AMAQI
1st Jul 2025613 AMAQI
1st Jul 2025624 AMAQI

26°C22/31°C

1st Jul 2025625 AMAQI
1st Jul 2025626 AMAQI
1st Jul 2025627 AMAQI
1st Jul 2025628 AMAQI
1st Jul 2025609 AMAQI
1st Jul 20255410 AMAQI
1st Jul 20255411 AMAQI
1st Jul 20255612 PMAQI
1st Jul 2025551 PMAQI
1st Jul 2025542 PMAQI
1st Jul 2025533 PMAQI
1st Jul 2025514 PMAQI
1st Jul 2025505 PMAQI
1st Jul 2025546 PMAQI
1st Jul 2025597 PMAQI
1st Jul 2025618 PMAQI
1st Jul 2025619 PMAQI
1st Jul 20256110 PMAQI
1st Jul 20256211 PMAQI
2nd Jul 20256212 AMAQI
2nd Jul 2025611 AMAQI
2nd Jul 2025602 AMAQI
2nd Jul 2025613 AMAQI
2nd Jul 2025604 AMAQI

25°C22/29°C

2nd Jul 2025615 AMAQI
2nd Jul 2025616 AMAQI
2nd Jul 2025607 AMAQI
2nd Jul 2025538 AMAQI
2nd Jul 2025529 AMAQI
2nd Jul 20254610 AMAQI
2nd Jul 20254511 AMAQI
2nd Jul 20255512 PMAQI
2nd Jul 2025511 PMAQI
2nd Jul 2025502 PMAQI
2nd Jul 2025543 PMAQI
2nd Jul 2025544 PMAQI
2nd Jul 2025545 PMAQI
2nd Jul 2025566 PMAQI
2nd Jul 2025597 PMAQI
2nd Jul 2025608 PMAQI
2nd Jul 2025609 PMAQI
2nd Jul 20256010 PMAQI
2nd Jul 20256011 PMAQI
3rd Jul 20256012 AMAQI
3rd Jul 2025601 AMAQI
3rd Jul 2025612 AMAQI
3rd Jul 2025613 AMAQI
3rd Jul 2025614 AMAQI

28°C21/35°C

3rd Jul 2025615 AMAQI
5 AM
3rd Jul 2025616 AMAQI
3rd Jul 2025617 AMAQI
3rd Jul 2025648 AMAQI
3rd Jul 2025649 AMAQI
3rd Jul 20256110 AMAQI
3rd Jul 20256111 AMAQI
3rd Jul 20256112 PMAQI
3rd Jul 2025611 PMAQI
1 PM
3rd Jul 2025612 PMAQI
3rd Jul 2025613 PMAQI
3rd Jul 2025614 PMAQI
3rd Jul 2025545 PMAQI
3rd Jul 2025546 PMAQI
3rd Jul 2025587 PMAQI
3rd Jul 2025608 PMAQI
3rd Jul 2025609 PMAQI
9 PM
1 AM
4 AM

0°C0/0°C

Day time
Avg. Highest Time
5 AM - 9 PM

59AQI

17 hours / Day
510 hours / Month
Avg. Lowest Time
5 AM - 7 PM

58AQI

15 hours / Day
450 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 5 AM to 9 PM (Avg. 59), while the lowest AQI was between 5 AM to 7 PM (Avg. 58).
Night time
Avg. Highest Time
12 AM - 11 PM

61AQI

7 hours / Day
210 hours / Month
Avg. Lowest Time
12 AM - 11 PM

61AQI

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. 61), while the lowest AQI was between 12 AM to 11 PM (Avg. 61).

2025 Days Vs Air Quality

Longfeng District, Daqing, Heilongjiang, China

2025

0.5%

1

64%

118

25%

45

9%

16

2%

3

Total number of days with different AQI categories in last 184 days in 2025 (181 days remaining)

Good
1 Days
Moderate
118 Days
Poor
45 Days
Unhealthy
16 Days
Severe
3 Days
Hazardous
0 Days

Under WHO’s Safe Air Quality Limits: 0.55%

Health Risk Level:

Extreme

In 2025, 0.55% of 184 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
2nd January 2025
140AQI
3rd January 2025
121AQI
4th January 2025
170AQI
5th January 2025
151AQI
6th January 2025
150AQI
7th January 2025
117AQI
8th January 2025
114AQI
9th January 2025
89AQI
10th January 2025
106AQI
11th January 2025
147AQI
12th January 2025
175AQI
13th January 2025
192AQI
14th January 2025
163AQI
15th January 2025
121AQI
16th January 2025
111AQI
17th January 2025
145AQI
18th January 2025
164AQI
19th January 2025
183AQI
20th January 2025
196AQI
21st January 2025
168AQI
22nd January 2025
137AQI
23rd January 2025
193AQI
24th January 2025
218AQI
25th January 2025
232AQI
26th January 2025
206AQI
27th January 2025
132AQI
28th January 2025
135AQI
29th January 2025
113AQI
30th January 2025
106AQI
31st January 2025
109AQI
1st February 2025
138AQI
2nd February 2025
155AQI
3rd February 2025
117AQI
4th February 2025
96AQI
5th February 2025
130AQI
6th February 2025
98AQI
7th February 2025
86AQI
8th February 2025
72AQI
9th February 2025
77AQI
10th February 2025
114AQI
11th February 2025
152AQI
12th February 2025
135AQI
13th February 2025
111AQI
14th February 2025
103AQI
15th February 2025
116AQI
16th February 2025
83AQI
17th February 2025
74AQI
18th February 2025
69AQI
19th February 2025
69AQI
20th February 2025
75AQI
21st February 2025
72AQI
22nd February 2025
84AQI
23rd February 2025
73AQI
24th February 2025
80AQI
25th February 2025
73AQI
26th February 2025
74AQI
27th February 2025
87AQI
28th February 2025
72AQI
1st March 2025
66AQI
2nd March 2025
71AQI
3rd March 2025
88AQI
4th March 2025
98AQI
5th March 2025
107AQI
6th March 2025
108AQI
7th March 2025
101AQI
8th March 2025
93AQI
9th March 2025
142AQI
10th March 2025
155AQI
11th March 2025
146AQI
12th March 2025
91AQI
13th March 2025
88AQI
14th March 2025
66AQI
15th March 2025
60AQI
16th March 2025
67AQI
17th March 2025
64AQI
18th March 2025
74AQI
19th March 2025
113AQI
20th March 2025
74AQI
21st March 2025
88AQI
22nd March 2025
64AQI
23rd March 2025
167AQI
24th March 2025
89AQI
25th March 2025
116AQI
26th March 2025
105AQI
27th March 2025
74AQI
28th March 2025
74AQI
29th March 2025
60AQI
30th March 2025
66AQI
31st March 2025
76AQI
1st April 2025
104AQI
2nd April 2025
102AQI
3rd April 2025
107AQI
4th April 2025
136AQI
5th April 2025
95AQI
6th April 2025
117AQI
7th April 2025
110AQI
8th April 2025
99AQI
9th April 2025
124AQI
10th April 2025
149AQI
11th April 2025
162AQI
12th April 2025
107AQI
13th April 2025
93AQI
14th April 2025
77AQI
15th April 2025
65AQI
16th April 2025
60AQI
17th April 2025
94AQI
18th April 2025
63AQI
19th April 2025
76AQI
20th April 2025
77AQI
21st April 2025
74AQI
22nd April 2025
58AQI
23rd April 2025
71AQI
24th April 2025
59AQI
25th April 2025
52AQI
26th April 2025
63AQI
27th April 2025
86AQI
28th April 2025
65AQI
29th April 2025
100AQI
30th April 2025
52AQI
1st May 2025
72AQI
2nd May 2025
57AQI
3rd May 2025
60AQI
4th May 2025
51AQI
5th May 2025
53AQI
6th May 2025
59AQI
7th May 2025
69AQI
8th May 2025
74AQI
9th May 2025
73AQI
10th May 2025
68AQI
11th May 2025
87AQI
12th May 2025
106AQI
13th May 2025
103AQI
14th May 2025
92AQI
15th May 2025
117AQI
16th May 2025
83AQI
17th May 2025
78AQI
18th May 2025
75AQI
19th May 2025
70AQI
20th May 2025
85AQI
21st May 2025
64AQI
22nd May 2025
64AQI
23rd May 2025
59AQI
24th May 2025
63AQI
25th May 2025
67AQI
26th May 2025
74AQI
27th May 2025
82AQI
28th May 2025
93AQI
29th May 2025
90AQI
30th May 2025
101AQI
31st May 2025
95AQI
1st June 2025
73AQI
2nd June 2025
74AQI
3rd June 2025
65AQI
4th June 2025
69AQI
5th June 2025
57AQI
6th June 2025
56AQI
7th June 2025
54AQI
8th June 2025
63AQI
9th June 2025
50AQI
10th June 2025
52AQI
11th June 2025
52AQI
12th June 2025
59AQI
13th June 2025
66AQI
14th June 2025
58AQI
15th June 2025
68AQI
16th June 2025
60AQI
17th June 2025
58AQI
18th June 2025
61AQI
19th June 2025
60AQI
20th June 2025
58AQI
21st June 2025
55AQI
22nd June 2025
55AQI
23rd June 2025
56AQI
24th June 2025
59AQI
25th June 2025
60AQI
26th June 2025
60AQI
27th June 2025
62AQI
28th June 2025
59AQI
29th June 2025
62AQI
30th June 2025
68AQI
1st July 2025
59AQI
2nd July 2025
59AQI

151AQI

96AQI

92AQI

90AQI

77AQI

60AQI

59AQI

No. of days

Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days

202594AQI

1
16
11
3
18
8
2
21
8
2
20
9
1
27
4
1
29
2
1
118
45
16
3

Highest AQI recorded in

January

151AQI

Lowest AQI recorded in

July

59AQI

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

November

139AQI

Lowest AQI recorded in

August

47AQI

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

January

116AQI

Lowest AQI recorded in

August

34AQI

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

January

135AQI

Lowest AQI recorded in

July

33AQI

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

January

117AQI

Lowest AQI recorded in

September

47AQI

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

December

93AQI

Lowest AQI recorded in

September

29AQI

Most & Least Polluted Years Over the Last 6 Years

Most Polluted Year Recorded
2025(Avg.)
94AQI
Least Polluted Year Recorded
2020(Avg.)
58AQI

Longfeng District's annual 2025 AQI (94) shows an average percentage change of 29.9% (worsened AQI) compared to previous years: 2020 (58), 2021 (77), 2022 (72), 2023 (75), 2024 (86).