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+
November Air Quality Analysis
Heihe, Heilongjiang, China
2021
2022
2023
2024
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
5th Nov 2025
173AQILowest AQI recorded on
6th Nov 2024
32AQISame Day Analysis (21st November ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 2nd highest AQI at 101 of Poor air quality, showing improvement over 2024 on the same day.
Download 2024 Annual Data
World Air Quality Report
Day & Night AQI Trend: 22nd Nov - 23rd Nov 2025
Heihe, Heilongjiang, China
AQI
Day
Night
.
7 AM22nd Nov 2025
4 PM
6 AM23rd Nov 2025
Day time
Avg. Highest Time
12AMNaNth undefined
AQI
Avg. Lowest Time
12AMNaNth undefined
AQI
Night time
Avg. Highest Time
5AM23rd Nov
240AQI
Avg. Lowest Time
8AM22nd Nov
154AQI
In the last 24 hours,
Heihe's AQI reached its highest point of 240 at 5 AM during the Night, while the lowest point, 154, was recorded at 8 AM during the Night between 22nd Nov and 23rd Nov 2025.
Day & Night AQI Trend : Oct - Nov 2025
Heihe, Heilongjiang, China
OctNov
24th - 25th25th - 26th26th - 27th27th - 28th28th - 29th29th - 30th30th - 31st31st - 01st01st - 02nd02nd - 03rd03rd - 04th04th - 05th05th - 06th06th - 07th07th - 08th08th - 09th09th - 10th10th - 11th11th - 12th12th - 13th13th - 14th14th - 15th15th - 16th16th - 17th17th - 18th18th - 19th19th - 20th20th - 21st21st - 22nd22nd - 23rd23rd
Day
Night
24th Oct 2025737 AMAQI
24th Oct 2025848 AMAQI
24th Oct 2025929 AMAQI
24th Oct 20259310 AMAQI
24th Oct 20258911 AMAQI
24th Oct 20257712 PMAQI
24th Oct 2025741 PMAQI
24th Oct 2025752 PMAQI
24th Oct 2025753 PMAQI
24th Oct 2025764 PMAQI
24th Oct 2025945 PMAQI
24th Oct 2025936 PMAQI
24th Oct 2025967 PMAQI
24th Oct 20251348 PMAQI
24th Oct 20251609 PMAQI
24th Oct 202516110 PMAQI
24th Oct 202516411 PMAQI
25th Oct 202516112 AMAQI
25th Oct 20251601 AMAQI
25th Oct 20251612 AMAQI
25th Oct 20251603 AMAQI
25th Oct 20251614 AMAQI
25th Oct 20251585 AMAQI
25th Oct 20251616 AMAQI
1°C-4/7°C
25th Oct 20251647 AMAQI
25th Oct 20251638 AMAQI
25th Oct 20251579 AMAQI
25th Oct 202514410 AMAQI
25th Oct 202514711 AMAQI
25th Oct 202513812 PMAQI
25th Oct 20251481 PMAQI
25th Oct 20251352 PMAQI
25th Oct 20251023 PMAQI
25th Oct 20251274 PMAQI
25th Oct 20251605 PMAQI
25th Oct 20251756 PMAQI
25th Oct 20251827 PMAQI
25th Oct 20251848 PMAQI
25th Oct 20251839 PMAQI
25th Oct 202517210 PMAQI
25th Oct 202515511 PMAQI
26th Oct 202514912 AMAQI
26th Oct 20251311 AMAQI
26th Oct 20251092 AMAQI
26th Oct 20251023 AMAQI
26th Oct 2025874 AMAQI
26th Oct 2025565 AMAQI
26th Oct 2025566 AMAQI
1°C-4/7°C
26th Oct 2025257 AMAQI
26th Oct 2025248 AMAQI
26th Oct 2025369 AMAQI
26th Oct 20254810 AMAQI
26th Oct 20254811 AMAQI
26th Oct 20257012 PMAQI
26th Oct 2025771 PMAQI
26th Oct 2025702 PMAQI
26th Oct 2025703 PMAQI
26th Oct 2025634 PMAQI
26th Oct 2025665 PMAQI
26th Oct 2025786 PMAQI
26th Oct 2025757 PMAQI
26th Oct 20251028 PMAQI
26th Oct 20251189 PMAQI
26th Oct 202510910 PMAQI
26th Oct 202511211 PMAQI
27th Oct 202510012 AMAQI
27th Oct 2025941 AMAQI
27th Oct 2025852 AMAQI
27th Oct 2025773 AMAQI
27th Oct 2025764 AMAQI
27th Oct 2025735 AMAQI
27th Oct 2025786 AMAQI
0°C-5/4°C
27th Oct 2025757 AMAQI
27th Oct 2025788 AMAQI
27th Oct 2025789 AMAQI
27th Oct 20257710 AMAQI
27th Oct 20258011 AMAQI
27th Oct 20258512 PMAQI
27th Oct 2025841 PMAQI
27th Oct 2025822 PMAQI
27th Oct 2025833 PMAQI
27th Oct 2025764 PMAQI
27th Oct 2025715 PMAQI
27th Oct 2025706 PMAQI
27th Oct 2025737 PMAQI
27th Oct 2025728 PMAQI
27th Oct 2025829 PMAQI
27th Oct 20258510 PMAQI
27th Oct 20258811 PMAQI
28th Oct 20259012 AMAQI
28th Oct 2025881 AMAQI
28th Oct 2025872 AMAQI
28th Oct 2025843 AMAQI
28th Oct 2025874 AMAQI
28th Oct 2025915 AMAQI
28th Oct 2025906 AMAQI
-3°C-7/2°C
28th Oct 2025937 AMAQI
28th Oct 2025918 AMAQI
28th Oct 2025919 AMAQI
28th Oct 20258810 AMAQI
28th Oct 20257711 AMAQI
28th Oct 20256812 PMAQI
28th Oct 2025701 PMAQI
28th Oct 2025742 PMAQI
28th Oct 2025703 PMAQI
28th Oct 2025764 PMAQI
28th Oct 2025735 PMAQI
28th Oct 2025866 PMAQI
28th Oct 2025827 PMAQI
28th Oct 2025838 PMAQI
28th Oct 2025989 PMAQI
28th Oct 20259610 PMAQI
28th Oct 20259211 PMAQI
29th Oct 20259812 AMAQI
29th Oct 20251051 AMAQI
29th Oct 20251112 AMAQI
29th Oct 20251083 AMAQI
29th Oct 20251144 AMAQI
29th Oct 20251115 AMAQI
29th Oct 20251396 AMAQI
-2°C-4/2°C
29th Oct 20251447 AMAQI
29th Oct 20251248 AMAQI
29th Oct 20251329 AMAQI
29th Oct 202513610 AMAQI
29th Oct 202516011 AMAQI
29th Oct 202516212 PMAQI
29th Oct 20251741 PMAQI
29th Oct 20252112 PMAQI
29th Oct 20252133 PMAQI
29th Oct 20251954 PMAQI
29th Oct 20251835 PMAQI
29th Oct 20251836 PMAQI
29th Oct 20251767 PMAQI
29th Oct 20251758 PMAQI
29th Oct 20251879 PMAQI
29th Oct 202518710 PMAQI
29th Oct 202519011 PMAQI
30th Oct 202519112 AMAQI
30th Oct 20251911 AMAQI
30th Oct 20251942 AMAQI
30th Oct 20251953 AMAQI
30th Oct 20252184 AMAQI
30th Oct 20251955 AMAQI
30th Oct 20251976 AMAQI
-3°C-8/3°C
30th Oct 20251947 AMAQI
30th Oct 20251918 AMAQI
30th Oct 20251949 AMAQI
30th Oct 202519010 AMAQI
30th Oct 202518511 AMAQI
30th Oct 202517212 PMAQI
30th Oct 20251551 PMAQI
30th Oct 20251442 PMAQI
30th Oct 20251003 PMAQI
30th Oct 2025684 PMAQI
30th Oct 2025675 PMAQI
30th Oct 2025676 PMAQI
30th Oct 2025747 PMAQI
30th Oct 2025758 PMAQI
30th Oct 2025819 PMAQI
30th Oct 20258810 PMAQI
30th Oct 20259111 PMAQI
31st Oct 20257912 AMAQI
31st Oct 2025861 AMAQI
31st Oct 2025882 AMAQI
31st Oct 2025963 AMAQI
31st Oct 20251124 AMAQI
31st Oct 20251235 AMAQI
31st Oct 20251496 AMAQI
-2°C-6/2°C
31st Oct 20251327 AMAQI
31st Oct 20251268 AMAQI
31st Oct 20251249 AMAQI
31st Oct 202511410 AMAQI
31st Oct 202511611 AMAQI
31st Oct 202511712 PMAQI
31st Oct 20251341 PMAQI
31st Oct 20251432 PMAQI
31st Oct 20251283 PMAQI
31st Oct 20251284 PMAQI
31st Oct 20251335 PMAQI
31st Oct 20251166 PMAQI
31st Oct 20251237 PMAQI
31st Oct 20251358 PMAQI
31st Oct 20251509 PMAQI
31st Oct 202516410 PMAQI
31st Oct 202516711 PMAQI
1st Nov 202517112 AMAQI
1st Nov 20251751 AMAQI
1st Nov 20251792 AMAQI
1st Nov 20251783 AMAQI
1st Nov 20251674 AMAQI
1st Nov 20251555 AMAQI
1st Nov 20251396 AMAQI
-1°C-6/4°C
1st Nov 20251177 AMAQI
1st Nov 20251138 AMAQI
1st Nov 20251529 AMAQI
1st Nov 202515510 AMAQI
1st Nov 202515511 AMAQI
1st Nov 202515912 PMAQI
1st Nov 20251551 PMAQI
1st Nov 20251622 PMAQI
1st Nov 20251693 PMAQI
1st Nov 20251664 PMAQI
1st Nov 20251655 PMAQI
1st Nov 20251626 PMAQI
1st Nov 20251657 PMAQI
1st Nov 20251598 PMAQI
1st Nov 20251459 PMAQI
1st Nov 20258510 PMAQI
1st Nov 20258811 PMAQI
2nd Nov 20258312 AMAQI
2nd Nov 2025641 AMAQI
2nd Nov 2025602 AMAQI
2nd Nov 2025583 AMAQI
2nd Nov 2025564 AMAQI
2nd Nov 2025575 AMAQI
2nd Nov 2025586 AMAQI
-3°C-5/1°C
2nd Nov 2025607 AMAQI
2nd Nov 2025578 AMAQI
2nd Nov 2025529 AMAQI
2nd Nov 20254510 AMAQI
2nd Nov 20254111 AMAQI
2nd Nov 20253912 PMAQI
2nd Nov 2025391 PMAQI
2nd Nov 2025442 PMAQI
2nd Nov 2025513 PMAQI
2nd Nov 2025554 PMAQI
2nd Nov 2025595 PMAQI
2nd Nov 2025596 PMAQI
2nd Nov 2025597 PMAQI
2nd Nov 2025608 PMAQI
2nd Nov 2025609 PMAQI
2nd Nov 20256110 PMAQI
2nd Nov 20256111 PMAQI
3rd Nov 20256412 AMAQI
3rd Nov 2025631 AMAQI
3rd Nov 2025632 AMAQI
3rd Nov 2025693 AMAQI
3rd Nov 2025714 AMAQI
3rd Nov 2025795 AMAQI
3rd Nov 20251066 AMAQI
-9°C-14/-4°C
3rd Nov 20251247 AMAQI
3rd Nov 20251198 AMAQI
3rd Nov 20251029 AMAQI
3rd Nov 20259410 AMAQI
3rd Nov 20259011 AMAQI
3rd Nov 20258112 PMAQI
3rd Nov 2025811 PMAQI
3rd Nov 2025792 PMAQI
3rd Nov 2025783 PMAQI
3rd Nov 2025774 PMAQI
3rd Nov 2025795 PMAQI
3rd Nov 20251346 PMAQI
3rd Nov 20251627 PMAQI
3rd Nov 20251658 PMAQI
3rd Nov 20251609 PMAQI
3rd Nov 202513310 PMAQI
3rd Nov 202510411 PMAQI
4th Nov 20259312 AMAQI
4th Nov 2025861 AMAQI
4th Nov 2025862 AMAQI
4th Nov 2025863 AMAQI
4th Nov 2025854 AMAQI
4th Nov 2025875 AMAQI
4th Nov 2025876 AMAQI
-5°C-13/1°C
4th Nov 2025917 AMAQI
4th Nov 2025938 AMAQI
4th Nov 2025979 AMAQI
4th Nov 202510010 AMAQI
4th Nov 202510211 AMAQI
4th Nov 20259512 PMAQI
4th Nov 2025801 PMAQI
4th Nov 2025652 PMAQI
4th Nov 2025593 PMAQI
4th Nov 2025634 PMAQI
4th Nov 2025735 PMAQI
4th Nov 2025866 PMAQI
4th Nov 2025987 PMAQI
4th Nov 2025878 PMAQI
4th Nov 20251039 PMAQI
4th Nov 202513510 PMAQI
4th Nov 202515311 PMAQI
5th Nov 202514812 AMAQI
5th Nov 20251421 AMAQI
5th Nov 20251472 AMAQI
5th Nov 20251513 AMAQI
5th Nov 20251474 AMAQI
5th Nov 20251525 AMAQI
5th Nov 20251566 AMAQI
-4°C-8/0°C
5th Nov 20251637 AMAQI
5th Nov 20251718 AMAQI
5th Nov 20251709 AMAQI
5th Nov 202515310 AMAQI
5th Nov 202516011 AMAQI
5th Nov 202516212 PMAQI
5th Nov 20251711 PMAQI
5th Nov 20251752 PMAQI
5th Nov 20251833 PMAQI
5th Nov 20251944 PMAQI
5th Nov 20252025 PMAQI
5th Nov 20252086 PMAQI
5th Nov 20251977 PMAQI
5th Nov 20252158 PMAQI
5th Nov 20252189 PMAQI
5th Nov 202520710 PMAQI
5th Nov 202519911 PMAQI
6th Nov 202519612 AMAQI
6th Nov 20251941 AMAQI
6th Nov 20251922 AMAQI
6th Nov 20251923 AMAQI
6th Nov 20251914 AMAQI
6th Nov 20251885 AMAQI
6th Nov 20251836 AMAQI
-7°C-11/-2°C
6th Nov 20251787 AMAQI
6th Nov 20251828 AMAQI
6th Nov 20251859 AMAQI
6th Nov 202517510 AMAQI
6th Nov 202517411 AMAQI
6th Nov 202517512 PMAQI
6th Nov 20251751 PMAQI
6th Nov 20251742 PMAQI
6th Nov 20251123 PMAQI
6th Nov 2025564 PMAQI
6th Nov 2025595 PMAQI
6th Nov 2025636 PMAQI
6th Nov 2025657 PMAQI
6th Nov 2025668 PMAQI
6th Nov 2025669 PMAQI
6th Nov 20256610 PMAQI
6th Nov 20258011 PMAQI
7th Nov 20258212 AMAQI
7th Nov 2025691 AMAQI
7th Nov 2025642 AMAQI
7th Nov 2025623 AMAQI
7th Nov 2025634 AMAQI
7th Nov 2025625 AMAQI
7th Nov 2025616 AMAQI
-5°C-8/-1°C
7th Nov 2025637 AMAQI
7th Nov 2025678 AMAQI
7th Nov 2025699 AMAQI
7th Nov 20256810 AMAQI
7th Nov 20255411 AMAQI
7th Nov 20253112 PMAQI
7th Nov 2025291 PMAQI
7th Nov 2025272 PMAQI
7th Nov 2025223 PMAQI
7th Nov 2025284 PMAQI
7th Nov 2025375 PMAQI
7th Nov 2025466 PMAQI
7th Nov 2025547 PMAQI
7th Nov 2025578 PMAQI
7th Nov 2025689 PMAQI
7th Nov 20257010 PMAQI
7th Nov 20257011 PMAQI
8th Nov 20256512 AMAQI
8th Nov 2025661 AMAQI
8th Nov 2025602 AMAQI
8th Nov 2025563 AMAQI
8th Nov 2025554 AMAQI
8th Nov 2025545 AMAQI
8th Nov 2025326 AMAQI
-9°C-13/-2°C
8th Nov 2025277 AMAQI
8th Nov 2025378 AMAQI
8th Nov 2025559 AMAQI
8th Nov 20256210 AMAQI
8th Nov 20256711 AMAQI
8th Nov 20257112 PMAQI
8th Nov 2025741 PMAQI
8th Nov 2025882 PMAQI
8th Nov 20251023 PMAQI
8th Nov 20251104 PMAQI
8th Nov 20251145 PMAQI
8th Nov 20251606 PMAQI
8th Nov 20251617 PMAQI
8th Nov 20251638 PMAQI
8th Nov 20251609 PMAQI
8th Nov 202517010 PMAQI
8th Nov 202517711 PMAQI
9th Nov 202517412 AMAQI
9th Nov 20251711 AMAQI
9th Nov 20251622 AMAQI
9th Nov 20251593 AMAQI
9th Nov 20251554 AMAQI
9th Nov 20251485 AMAQI
9th Nov 20251486 AMAQI
-8°C-15/-5°C
9th Nov 20251307 AMAQI
9th Nov 20251228 AMAQI
9th Nov 20251179 AMAQI
9th Nov 202510610 AMAQI
9th Nov 20259711 AMAQI
9th Nov 20258812 PMAQI
9th Nov 2025841 PMAQI
9th Nov 2025652 PMAQI
9th Nov 2025593 PMAQI
9th Nov 2025594 PMAQI
9th Nov 2025515 PMAQI
9th Nov 2025446 PMAQI
9th Nov 2025427 PMAQI
9th Nov 2025388 PMAQI
9th Nov 2025509 PMAQI
9th Nov 20255110 PMAQI
9th Nov 20254511 PMAQI
10th Nov 20253912 AMAQI
10th Nov 2025391 AMAQI
10th Nov 2025422 AMAQI
10th Nov 2025463 AMAQI
10th Nov 2025534 AMAQI
10th Nov 2025565 AMAQI
10th Nov 2025616 AMAQI
-6°C-11/-2°C
10th Nov 2025617 AMAQI
10th Nov 2025638 AMAQI
10th Nov 2025649 AMAQI
10th Nov 20256210 AMAQI
10th Nov 20256011 AMAQI
10th Nov 20255712 PMAQI
10th Nov 2025551 PMAQI
10th Nov 2025452 PMAQI
10th Nov 2025333 PMAQI
10th Nov 2025364 PMAQI
10th Nov 2025405 PMAQI
10th Nov 2025436 PMAQI
10th Nov 2025467 PMAQI
10th Nov 2025608 PMAQI
10th Nov 2025669 PMAQI
10th Nov 20257010 PMAQI
10th Nov 20257211 PMAQI
11th Nov 20257112 AMAQI
11th Nov 2025671 AMAQI
11th Nov 2025612 AMAQI
11th Nov 2025623 AMAQI
11th Nov 2025624 AMAQI
11th Nov 2025625 AMAQI
11th Nov 2025616 AMAQI
-9°C-15/-4°C
11th Nov 2025657 AMAQI
11th Nov 2025678 AMAQI
11th Nov 2025759 AMAQI
11th Nov 20257610 AMAQI
11th Nov 20258311 AMAQI
11th Nov 20257812 PMAQI
11th Nov 2025781 PMAQI
11th Nov 2025742 PMAQI
11th Nov 2025713 PMAQI
11th Nov 2025694 PMAQI
11th Nov 2025645 PMAQI
11th Nov 2025606 PMAQI
11th Nov 2025707 PMAQI
11th Nov 2025788 PMAQI
11th Nov 2025809 PMAQI
11th Nov 202510210 PMAQI
11th Nov 202510211 PMAQI
12th Nov 202512312 AMAQI
12th Nov 20251211 AMAQI
12th Nov 20251242 AMAQI
12th Nov 20251293 AMAQI
12th Nov 20251384 AMAQI
12th Nov 20251555 AMAQI
12th Nov 20251556 AMAQI
-11°C-16/-3°C
12th Nov 20251537 AMAQI
12th Nov 20251408 AMAQI
12th Nov 20251169 AMAQI
12th Nov 202512310 AMAQI
12th Nov 202513211 AMAQI
12th Nov 202510612 PMAQI
12th Nov 20251311 PMAQI
12th Nov 20251382 PMAQI
12th Nov 20251473 PMAQI
12th Nov 20251364 PMAQI
12th Nov 20251375 PMAQI
12th Nov 20251486 PMAQI
12th Nov 20251527 PMAQI
12th Nov 20251538 PMAQI
12th Nov 20251509 PMAQI
12th Nov 202513410 PMAQI
12th Nov 202511211 PMAQI
13th Nov 202512312 AMAQI
13th Nov 20251071 AMAQI
13th Nov 2025932 AMAQI
13th Nov 2025713 AMAQI
13th Nov 2025594 AMAQI
13th Nov 2025525 AMAQI
13th Nov 2025516 AMAQI
-6°C-11/0°C
13th Nov 2025427 AMAQI
13th Nov 2025418 AMAQI
13th Nov 2025499 AMAQI
13th Nov 20254710 AMAQI
13th Nov 20254111 AMAQI
13th Nov 20253712 PMAQI
13th Nov 2025331 PMAQI
13th Nov 2025302 PMAQI
13th Nov 2025293 PMAQI
13th Nov 2025374 PMAQI
13th Nov 2025495 PMAQI
13th Nov 2025676 PMAQI
13th Nov 2025797 PMAQI
13th Nov 2025978 PMAQI
13th Nov 2025979 PMAQI
13th Nov 202510110 PMAQI
13th Nov 20259911 PMAQI
14th Nov 202510412 AMAQI
14th Nov 2025951 AMAQI
14th Nov 20251302 AMAQI
14th Nov 20251563 AMAQI
14th Nov 20251464 AMAQI
14th Nov 20251355 AMAQI
14th Nov 20251326 AMAQI
-7°C-10/-4°C
14th Nov 20251287 AMAQI
14th Nov 20251228 AMAQI
14th Nov 20251219 AMAQI
14th Nov 202513410 AMAQI
14th Nov 202513711 AMAQI
14th Nov 202512012 PMAQI
14th Nov 2025961 PMAQI
14th Nov 2025932 PMAQI
14th Nov 2025683 PMAQI
14th Nov 2025614 PMAQI
14th Nov 2025655 PMAQI
14th Nov 2025766 PMAQI
14th Nov 2025847 PMAQI
14th Nov 2025908 PMAQI
14th Nov 2025919 PMAQI
14th Nov 20259010 PMAQI
14th Nov 20258111 PMAQI
15th Nov 20257312 AMAQI
15th Nov 2025761 AMAQI
15th Nov 2025762 AMAQI
15th Nov 2025723 AMAQI
15th Nov 2025674 AMAQI
15th Nov 2025665 AMAQI
15th Nov 2025696 AMAQI
-12°C-15/-5°C
15th Nov 2025707 AMAQI
15th Nov 2025798 AMAQI
15th Nov 2025879 AMAQI
15th Nov 20258310 AMAQI
15th Nov 20259011 AMAQI
15th Nov 20258812 PMAQI
15th Nov 2025921 PMAQI
15th Nov 2025972 PMAQI
15th Nov 2025993 PMAQI
15th Nov 20251004 PMAQI
15th Nov 20251115 PMAQI
15th Nov 20251086 PMAQI
15th Nov 20251017 PMAQI
15th Nov 20251378 PMAQI
15th Nov 20251459 PMAQI
15th Nov 202514810 PMAQI
15th Nov 202513311 PMAQI
16th Nov 202512212 AMAQI
16th Nov 20251571 AMAQI
16th Nov 20251692 AMAQI
16th Nov 20251673 AMAQI
16th Nov 20251664 AMAQI
16th Nov 20251635 AMAQI
16th Nov 20251586 AMAQI
-11°C-17/-7°C
16th Nov 2025987 AMAQI
16th Nov 2025878 AMAQI
16th Nov 2025819 AMAQI
16th Nov 20256410 AMAQI
16th Nov 20256411 AMAQI
16th Nov 20256012 PMAQI
16th Nov 2025541 PMAQI
16th Nov 2025562 PMAQI
16th Nov 2025643 PMAQI
16th Nov 2025734 PMAQI
16th Nov 2025875 PMAQI
16th Nov 2025836 PMAQI
16th Nov 2025937 PMAQI
16th Nov 2025978 PMAQI
16th Nov 20251049 PMAQI
16th Nov 202512510 PMAQI
16th Nov 20259211 PMAQI
17th Nov 20259112 AMAQI
17th Nov 2025791 AMAQI
17th Nov 2025822 AMAQI
17th Nov 2025733 AMAQI
17th Nov 2025694 AMAQI
17th Nov 2025555 AMAQI
17th Nov 2025456 AMAQI
-9°C-11/-7°C
17th Nov 2025447 AMAQI
17th Nov 2025348 AMAQI
17th Nov 2025249 AMAQI
17th Nov 20253210 AMAQI
17th Nov 20254111 AMAQI
17th Nov 20253912 PMAQI
17th Nov 2025251 PMAQI
17th Nov 2025232 PMAQI
17th Nov 2025203 PMAQI
17th Nov 2025244 PMAQI
17th Nov 2025385 PMAQI
17th Nov 2025516 PMAQI
17th Nov 2025687 PMAQI
17th Nov 2025848 PMAQI
17th Nov 2025859 PMAQI
17th Nov 20258310 PMAQI
17th Nov 20258411 PMAQI
18th Nov 20258012 AMAQI
18th Nov 2025871 AMAQI
18th Nov 2025902 AMAQI
18th Nov 2025853 AMAQI
18th Nov 2025784 AMAQI
18th Nov 2025855 AMAQI
18th Nov 2025846 AMAQI
-13°C-17/-9°C
18th Nov 2025857 AMAQI
18th Nov 2025928 AMAQI
18th Nov 2025889 AMAQI
18th Nov 20258410 AMAQI
18th Nov 202510011 AMAQI
18th Nov 20257712 PMAQI
18th Nov 2025701 PMAQI
18th Nov 2025572 PMAQI
18th Nov 2025593 PMAQI
18th Nov 2025624 PMAQI
18th Nov 2025565 PMAQI
18th Nov 2025606 PMAQI
18th Nov 2025757 PMAQI
18th Nov 2025808 PMAQI
18th Nov 2025789 PMAQI
18th Nov 20257610 PMAQI
18th Nov 202510611 PMAQI
19th Nov 202511612 AMAQI
19th Nov 20251151 AMAQI
19th Nov 20251192 AMAQI
19th Nov 20251193 AMAQI
19th Nov 20251264 AMAQI
19th Nov 20251045 AMAQI
19th Nov 20251136 AMAQI
-12°C-17/-4°C
19th Nov 20251047 AMAQI
19th Nov 20251128 AMAQI
19th Nov 20251369 AMAQI
19th Nov 202513210 AMAQI
19th Nov 202512911 AMAQI
19th Nov 202510312 PMAQI
19th Nov 2025851 PMAQI
19th Nov 20251192 PMAQI
19th Nov 20251373 PMAQI
19th Nov 20251664 PMAQI
19th Nov 20252015 PMAQI
19th Nov 20252016 PMAQI
19th Nov 20252337 PMAQI
19th Nov 20252438 PMAQI
19th Nov 20252129 PMAQI
19th Nov 202519710 PMAQI
19th Nov 202519811 PMAQI
20th Nov 202519412 AMAQI
20th Nov 20251921 AMAQI
20th Nov 20251992 AMAQI
20th Nov 20252043 AMAQI
20th Nov 20251794 AMAQI
20th Nov 20251775 AMAQI
20th Nov 20251736 AMAQI
-8°C-13/0°C
20th Nov 20251537 AMAQI
20th Nov 20251028 AMAQI
20th Nov 20251009 AMAQI
20th Nov 202516010 AMAQI
20th Nov 202516011 AMAQI
20th Nov 202515712 PMAQI
20th Nov 20251021 PMAQI
20th Nov 2025902 PMAQI
20th Nov 2025573 PMAQI
20th Nov 2025574 PMAQI
20th Nov 2025575 PMAQI
20th Nov 2025616 PMAQI
20th Nov 2025617 PMAQI
20th Nov 2025758 PMAQI
20th Nov 2025869 PMAQI
20th Nov 20259010 PMAQI
20th Nov 202510511 PMAQI
21st Nov 202513312 AMAQI
21st Nov 20251131 AMAQI
21st Nov 20251212 AMAQI
21st Nov 2025923 AMAQI
21st Nov 2025924 AMAQI
21st Nov 2025955 AMAQI
21st Nov 20251126 AMAQI
-8°C-11/-4°C
21st Nov 20251197 AMAQI
21st Nov 20251398 AMAQI
21st Nov 20251519 AMAQI
21st Nov 202511710 AMAQI
21st Nov 20258111 AMAQI
21st Nov 20257112 PMAQI
21st Nov 2025541 PMAQI
21st Nov 2025552 PMAQI
21st Nov 2025533 PMAQI
21st Nov 2025514 PMAQI
21st Nov 2025555 PMAQI
21st Nov 2025786 PMAQI
21st Nov 2025957 PMAQI
21st Nov 2025938 PMAQI
21st Nov 2025939 PMAQI
21st Nov 20259210 PMAQI
21st Nov 20259611 PMAQI
22nd Nov 202512512 AMAQI
22nd Nov 20251151 AMAQI
22nd Nov 20251152 AMAQI
22nd Nov 20251233 AMAQI
22nd Nov 20251334 AMAQI
22nd Nov 20251505 AMAQI
22nd Nov 20251566 AMAQI
-9°C-12/-3°C
22nd Nov 20251577 AMAQI
22nd Nov 20251548 AMAQI
22nd Nov 20251609 AMAQI
22nd Nov 202516210 AMAQI
22nd Nov 202515911 AMAQI
22nd Nov 202515712 PMAQI
22nd Nov 20251561 PMAQI
22nd Nov 20251572 PMAQI
22nd Nov 20251613 PMAQI
22nd Nov 20251644 PMAQI
22nd Nov 20251785 PMAQI
22nd Nov 20251906 PMAQI
22nd Nov 20251957 PMAQI
22nd Nov 20252038 PMAQI
22nd Nov 20252019 PMAQI
22nd Nov 202520410 PMAQI
22nd Nov 202520711 PMAQI
23rd Nov 202522012 AMAQI
23rd Nov 20252191 AMAQI
23rd Nov 20252262 AMAQI
23rd Nov 20252303 AMAQI
23rd Nov 20252294 AMAQI
23rd Nov 20252405 AMAQI
23rd Nov 20252366 AMAQI
--°C/°C
23rd Nov 20252267 AMAQI
7 AM11 AM
4 PM
11 PM
6 AM
--°C/°C
Day time
Avg. Highest Time
7 AM
108AQI
1 hours / Day
30 hours / Month
Avg. Lowest Time
3 PM - 4 PM
89AQI
2 hours / Day
60 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 7 AM to 7 AM (Avg. 108), while the lowest AQI was between 3 PM to 4 PM (Avg. 89).
Night time
Avg. Highest Time
9 PM - 11 PM
118AQI
3 hours / Day
90 hours / Month
Avg. Lowest Time
5 PM
94AQI
1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 9 PM to 11 PM (Avg. 118), while the lowest AQI was between 5 PM to 5 PM (Avg. 94).
2025 Days Vs Air Quality
Heihe, Heilongjiang, China
2025
23%
76
54%
175
17%
55
5%
17
0.6%
2
Total number of days with different AQI categories in last 326 days in 2025 (39 days remaining)
Good
76 DaysModerate
175 DaysPoor
55 DaysUnhealthy
17 DaysSevere
2 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 23%
Health Risk Level:
Very high
In 2025, 23% of 326 days were within WHO’s safe air quality limits. The risk of health issues is Very high, including respiratory issues, heart disease, and stress, particularly affecting vulnerable groups.
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.
-1th undefined 2025
-1th undefined 2025
-1th undefined 2025
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
3rd August 2025
47AQI
47AQI
4th August 2025
46AQI
46AQI
5th August 2025
46AQI
46AQI
6th August 2025
44AQI
44AQI
7th August 2025
34AQI
34AQI
8th August 2025
36AQI
36AQI
9th August 2025
37AQI
37AQI
10th August 2025
33AQI
33AQI
11th August 2025
37AQI
37AQI
12th August 2025
45AQI
45AQI
13th August 2025
43AQI
43AQI
14th August 2025
42AQI
42AQI
15th August 2025
51AQI
51AQI
16th August 2025
44AQI
44AQI
17th August 2025
41AQI
41AQI
18th August 2025
39AQI
39AQI
19th August 2025
41AQI
41AQI
20th August 2025
42AQI
42AQI
21st August 2025
42AQI
42AQI
22nd August 2025
40AQI
40AQI
23rd August 2025
44AQI
44AQI
24th August 2025
43AQI
43AQI
25th August 2025
47AQI
47AQI
26th August 2025
40AQI
40AQI
27th August 2025
45AQI
45AQI
28th August 2025
47AQI
47AQI
29th August 2025
45AQI
45AQI
30th August 2025
51AQI
51AQI
31st August 2025
54AQI
54AQI
1st September 2025
47AQI
47AQI
2nd September 2025
50AQI
50AQI
3rd September 2025
54AQI
54AQI
4th September 2025
49AQI
49AQI
5th September 2025
54AQI
54AQI
6th September 2025
49AQI
49AQI
7th September 2025
46AQI
46AQI
8th September 2025
47AQI
47AQI
9th September 2025
47AQI
47AQI
10th September 2025
48AQI
48AQI
11th September 2025
45AQI
45AQI
12th September 2025
54AQI
54AQI
13th September 2025
51AQI
51AQI
14th September 2025
54AQI
54AQI
15th September 2025
44AQI
44AQI
16th September 2025
45AQI
45AQI
17th September 2025
43AQI
43AQI
18th September 2025
44AQI
44AQI
19th September 2025
47AQI
47AQI
20th September 2025
52AQI
52AQI
21st September 2025
48AQI
48AQI
22nd September 2025
49AQI
49AQI
23rd September 2025
56AQI
56AQI
24th September 2025
50AQI
50AQI
25th September 2025
39AQI
39AQI
26th September 2025
40AQI
40AQI
27th September 2025
35AQI
35AQI
28th September 2025
41AQI
41AQI
29th September 2025
44AQI
44AQI
30th September 2025
57AQI
57AQI
1st October 2025
62AQI
62AQI
2nd October 2025
62AQI
62AQI
3rd October 2025
85AQI
85AQI
4th October 2025
73AQI
73AQI
5th October 2025
53AQI
53AQI
6th October 2025
61AQI
61AQI
7th October 2025
75AQI
75AQI
8th October 2025
66AQI
66AQI
9th October 2025
76AQI
76AQI
10th October 2025
74AQI
74AQI
11th October 2025
78AQI
78AQI
12th October 2025
74AQI
74AQI
13th October 2025
73AQI
73AQI
14th October 2025
74AQI
74AQI
15th October 2025
104AQI
104AQI
16th October 2025
103AQI
103AQI
17th October 2025
104AQI
104AQI
18th October 2025
58AQI
58AQI
19th October 2025
66AQI
66AQI
20th October 2025
63AQI
63AQI
21st October 2025
69AQI
69AQI
22nd October 2025
76AQI
76AQI
23rd October 2025
67AQI
67AQI
24th October 2025
99AQI
99AQI
25th October 2025
159AQI
159AQI
26th October 2025
86AQI
86AQI
27th October 2025
81AQI
81AQI
28th October 2025
85AQI
85AQI
29th October 2025
152AQI
152AQI
30th October 2025
149AQI
149AQI
31st October 2025
122AQI
122AQI
1st November 2025
152AQI
152AQI
2nd November 2025
61AQI
61AQI
3rd November 2025
97AQI
97AQI
4th November 2025
93AQI
93AQI
5th November 2025
173AQI
173AQI
6th November 2025
144AQI
144AQI
7th November 2025
63AQI
63AQI
8th November 2025
91AQI
91AQI
9th November 2025
106AQI
106AQI
10th November 2025
52AQI
52AQI
11th November 2025
72AQI
72AQI
12th November 2025
134AQI
134AQI
13th November 2025
74AQI
74AQI
14th November 2025
105AQI
105AQI
15th November 2025
94AQI
94AQI
16th November 2025
107AQI
107AQI
17th November 2025
62AQI
62AQI
18th November 2025
79AQI
79AQI
19th November 2025
148AQI
148AQI
20th November 2025
133AQI
133AQI
21st November 2025
101AQI
101AQI
22nd November 2025
23rd November 2025
24th November 2025
25th November 2025
26th November 2025
27th November 2025
28th November 2025
29th November 2025
30th November 2025
1st December 2025
2nd December 2025
3rd December 2025
4th December 2025
5th December 2025
6th December 2025
7th December 2025
8th December 2025
9th December 2025
10th December 2025
11th December 2025
12th December 2025
13th December 2025
14th December 2025
15th December 2025
16th December 2025
17th December 2025
18th December 2025
19th December 2025
20th December 2025
21st December 2025
22nd December 2025
23rd December 2025
24th December 2025
25th December 2025
26th December 2025
27th December 2025
28th December 2025
29th December 2025
30th December 2025
31st December 2025
150AQI
105AQI
81AQI
91AQI
69AQI
56AQI
49AQI
44AQI
48AQI
85AQI
102AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202579AQI
1
16
12
2
13
14
1
28
3
21
9
31
7
23
21
10
26
5
22
8
24
5
2
11
8
2
76
175
55
17
2
Highest AQI recorded in
January150AQI
Lowest AQI recorded in
August44AQI
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.)
79AQILeast Polluted Year Recorded
2020(Avg.)
46AQIHeihe's annual 2025 AQI (79) shows an average percentage change of 43.7% (worsened AQI) compared to previous years: 2020 (46), 2021 (54), 2022 (52), 2023 (58), 2024 (69).
