Country Background
HistoryAQIPM2.5PM10COSO2NO2O3

City Environmental Monitoring Station, Qiqihar, 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

City Environmental Monitoring Station, Qiqihar, Heilongjiang, China

2022
2023
2024
2025
AQI
.
Days

AQI Trends: Highest and Lowest

Highest AQI recorded on
8th Nov 2024
222AQI
Lowest AQI recorded on
22nd Nov 2023
30AQI

Same Day Analysis (26th November ):
On this day, AQI across the 4 years varied significantly: 2025 ranks 3rd highest AQI at 81 of Moderate air quality, showing improvement over 2024 and 2023 on the same day.

Download 2024 Annual Data

World Air Quality Report

Globe

Day & Night AQI Trend: 26th Nov - 27th Nov 2025

City Environmental Monitoring Station, Qiqihar, Heilongjiang, China

AQI
Day
Night
.

6 AM26th Nov 2025

4 PM

5 AM27th Nov 2025

Day time
Avg. Highest Time
12PM26th Nov

128AQI

Avg. Lowest Time
7AM26th Nov

72AQI

Night time
Avg. Highest Time
5PM26th Nov

135AQI

Avg. Lowest Time
5AM27th Nov

18AQI

In the last 24 hours,

City Environmental Monitoring Station's AQI reached its highest point of 135 at 5 PM during the Night, while the lowest point, 18, was recorded at 5 AM during the Night between 26th Nov and 27th Nov 2025.

Day & Night AQI Trend : Oct - Nov 2025

City Environmental Monitoring Station, Qiqihar, Heilongjiang, China

OctNov
28th - 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 - 24th24th - 25th25th - 26th26th - 27th27th
Day
Night
28th Oct 2025306 AMAQI
28th Oct 2025377 AMAQI
28th Oct 2025468 AMAQI
28th Oct 2025529 AMAQI
28th Oct 20255510 AMAQI
28th Oct 20255111 AMAQI
28th Oct 20255212 PMAQI
28th Oct 2025551 PMAQI
28th Oct 2025542 PMAQI
28th Oct 2025523 PMAQI
28th Oct 2025594 PMAQI
28th Oct 2025665 PMAQI
28th Oct 2025656 PMAQI
28th Oct 2025787 PMAQI
28th Oct 2025828 PMAQI
28th Oct 2025949 PMAQI
28th Oct 20258210 PMAQI
28th Oct 20256511 PMAQI
29th Oct 20254812 AMAQI
29th Oct 2025411 AMAQI
29th Oct 2025462 AMAQI
29th Oct 2025463 AMAQI
29th Oct 2025564 AMAQI
29th Oct 2025595 AMAQI

-1°C-5/4°C

29th Oct 2025626 AMAQI
29th Oct 2025777 AMAQI
29th Oct 2025818 AMAQI
29th Oct 20251119 AMAQI
29th Oct 202512110 AMAQI
29th Oct 202515011 AMAQI
29th Oct 202516712 PMAQI
29th Oct 20251841 PMAQI
29th Oct 20252082 PMAQI
29th Oct 20252193 PMAQI
29th Oct 20252234 PMAQI
29th Oct 20251615 PMAQI
29th Oct 20251606 PMAQI
29th Oct 20251497 PMAQI
29th Oct 20251448 PMAQI
29th Oct 20251689 PMAQI
29th Oct 202522410 PMAQI
29th Oct 202521911 PMAQI
30th Oct 202520412 AMAQI
30th Oct 20251901 AMAQI
30th Oct 20251662 AMAQI
30th Oct 20251363 AMAQI
30th Oct 20251154 AMAQI
30th Oct 20251035 AMAQI

1°C-4/7°C

30th Oct 2025756 AMAQI
30th Oct 2025557 AMAQI
30th Oct 2025558 AMAQI
30th Oct 2025579 AMAQI
30th Oct 20254910 AMAQI
30th Oct 20254911 AMAQI
30th Oct 20253212 PMAQI
30th Oct 2025281 PMAQI
30th Oct 2025272 PMAQI
30th Oct 2025273 PMAQI
30th Oct 2025284 PMAQI
30th Oct 2025415 PMAQI
30th Oct 2025736 PMAQI
30th Oct 20251107 PMAQI
30th Oct 20251228 PMAQI
30th Oct 2025979 PMAQI
30th Oct 20259710 PMAQI
30th Oct 202513511 PMAQI
31st Oct 202515112 AMAQI
31st Oct 20251581 AMAQI
31st Oct 20251622 AMAQI
31st Oct 20251683 AMAQI
31st Oct 20251674 AMAQI
31st Oct 20251605 AMAQI

2°C-2/8°C

31st Oct 20251586 AMAQI
31st Oct 20251247 AMAQI
31st Oct 20251138 AMAQI
31st Oct 20251299 AMAQI
31st Oct 202512310 AMAQI
31st Oct 202511811 AMAQI
31st Oct 202511812 PMAQI
31st Oct 20251021 PMAQI
31st Oct 2025982 PMAQI
31st Oct 2025953 PMAQI
31st Oct 2025794 PMAQI
31st Oct 2025725 PMAQI
31st Oct 2025846 PMAQI
31st Oct 2025937 PMAQI
31st Oct 2025958 PMAQI
31st Oct 20251029 PMAQI
31st Oct 202510310 PMAQI
31st Oct 20259211 PMAQI
1st Nov 20257512 AMAQI
1st Nov 2025821 AMAQI
1st Nov 2025862 AMAQI
1st Nov 20251133 AMAQI
1st Nov 20251164 AMAQI
1st Nov 20251155 AMAQI

3°C-1/9°C

1st Nov 20251056 AMAQI
1st Nov 20251197 AMAQI
1st Nov 20251068 AMAQI
1st Nov 20251149 AMAQI
1st Nov 202512410 AMAQI
1st Nov 202513011 AMAQI
1st Nov 202513912 PMAQI
1st Nov 20251451 PMAQI
1st Nov 20251342 PMAQI
1st Nov 20251263 PMAQI
1st Nov 20251184 PMAQI
1st Nov 2025955 PMAQI
1st Nov 2025996 PMAQI
1st Nov 2025987 PMAQI
1st Nov 2025548 PMAQI
1st Nov 2025539 PMAQI
1st Nov 20254610 PMAQI
1st Nov 20254611 PMAQI
2nd Nov 20255012 AMAQI
2nd Nov 2025201 AMAQI
2nd Nov 2025182 AMAQI
2nd Nov 2025233 AMAQI
2nd Nov 2025294 AMAQI
2nd Nov 2025375 AMAQI

2°C-3/6°C

2nd Nov 2025326 AMAQI
2nd Nov 2025297 AMAQI
2nd Nov 2025238 AMAQI
2nd Nov 2025219 AMAQI
2nd Nov 20252310 AMAQI
2nd Nov 20252211 AMAQI
2nd Nov 20252512 PMAQI
2nd Nov 2025281 PMAQI
2nd Nov 2025292 PMAQI
2nd Nov 2025363 PMAQI
2nd Nov 2025524 PMAQI
2nd Nov 2025615 PMAQI
2nd Nov 2025586 PMAQI
2nd Nov 2025707 PMAQI
2nd Nov 2025888 PMAQI
2nd Nov 20251129 PMAQI
2nd Nov 202512510 PMAQI
2nd Nov 202513311 PMAQI
3rd Nov 202516412 AMAQI
3rd Nov 20251831 AMAQI
3rd Nov 20252062 AMAQI
3rd Nov 20251933 AMAQI
3rd Nov 20251304 AMAQI
3rd Nov 20251335 AMAQI

-1°C-4/3°C

3rd Nov 2025606 AMAQI
3rd Nov 2025587 AMAQI
3rd Nov 2025548 AMAQI
3rd Nov 2025549 AMAQI
3rd Nov 20254410 AMAQI
3rd Nov 20254711 AMAQI
3rd Nov 20254912 PMAQI
3rd Nov 2025591 PMAQI
3rd Nov 2025862 PMAQI
3rd Nov 20251223 PMAQI
3rd Nov 20251524 PMAQI
3rd Nov 20251605 PMAQI
3rd Nov 20251786 PMAQI
3rd Nov 20251927 PMAQI
3rd Nov 20251958 PMAQI
3rd Nov 20251339 PMAQI
3rd Nov 202513810 PMAQI
3rd Nov 202517811 PMAQI
4th Nov 202518812 AMAQI
4th Nov 20251841 AMAQI
4th Nov 20251432 AMAQI
4th Nov 20251493 AMAQI
4th Nov 20251454 AMAQI
4th Nov 20251575 AMAQI

2°C-4/8°C

4th Nov 20251476 AMAQI
4th Nov 20251247 AMAQI
4th Nov 20251048 AMAQI
4th Nov 20251119 AMAQI
4th Nov 20258510 AMAQI
4th Nov 20257711 AMAQI
4th Nov 20256412 PMAQI
4th Nov 2025521 PMAQI
4th Nov 2025482 PMAQI
4th Nov 2025273 PMAQI
4th Nov 2025714 PMAQI
4th Nov 2025815 PMAQI
4th Nov 2025856 PMAQI
4th Nov 2025977 PMAQI
4th Nov 2025938 PMAQI
4th Nov 20251099 PMAQI
4th Nov 202516610 PMAQI
4th Nov 202516911 PMAQI
5th Nov 202516612 AMAQI
5th Nov 20251641 AMAQI
5th Nov 20251632 AMAQI
5th Nov 20251693 AMAQI
5th Nov 20251594 AMAQI
5th Nov 20251475 AMAQI

4°C1/10°C

5th Nov 20251186 AMAQI
5th Nov 20251177 AMAQI
5th Nov 20251318 AMAQI
5th Nov 20251349 AMAQI
5th Nov 202513710 AMAQI
5th Nov 202514711 AMAQI
5th Nov 202512512 PMAQI
5th Nov 20251081 PMAQI
5th Nov 20251052 PMAQI
5th Nov 20251193 PMAQI
5th Nov 20251244 PMAQI
5th Nov 20251345 PMAQI
5th Nov 20251426 PMAQI
5th Nov 20251587 PMAQI
5th Nov 20251748 PMAQI
5th Nov 20251769 PMAQI
5th Nov 202519510 PMAQI
5th Nov 202520211 PMAQI
6th Nov 202519812 AMAQI
6th Nov 20251961 AMAQI
6th Nov 20251982 AMAQI
6th Nov 20251413 AMAQI
6th Nov 2025974 AMAQI
6th Nov 2025695 AMAQI

5°C2/10°C

6th Nov 2025696 AMAQI
6th Nov 2025647 AMAQI
6th Nov 2025558 AMAQI
6th Nov 2025569 AMAQI
6th Nov 20256110 AMAQI
6th Nov 20256211 AMAQI
6th Nov 20256512 PMAQI
6th Nov 2025651 PMAQI
6th Nov 2025652 PMAQI
6th Nov 2025623 PMAQI
6th Nov 2025594 PMAQI
6th Nov 2025645 PMAQI
6th Nov 2025776 PMAQI
6th Nov 2025857 PMAQI
6th Nov 2025728 PMAQI
6th Nov 2025579 PMAQI
6th Nov 20255810 PMAQI
6th Nov 20257611 PMAQI
7th Nov 20259012 AMAQI
7th Nov 2025741 AMAQI
7th Nov 2025752 AMAQI
7th Nov 2025753 AMAQI
7th Nov 2025784 AMAQI
7th Nov 2025805 AMAQI

4°C-1/10°C

7th Nov 2025856 AMAQI
7th Nov 2025857 AMAQI
7th Nov 2025858 AMAQI
7th Nov 2025819 AMAQI
7th Nov 20257310 AMAQI
7th Nov 20256911 AMAQI
7th Nov 20255712 PMAQI
7th Nov 2025521 PMAQI
7th Nov 2025462 PMAQI
7th Nov 2025483 PMAQI
7th Nov 2025394 PMAQI
7th Nov 2025475 PMAQI
7th Nov 2025526 PMAQI
7th Nov 2025517 PMAQI
7th Nov 2025538 PMAQI
7th Nov 2025499 PMAQI
7th Nov 20254010 PMAQI
7th Nov 20255111 PMAQI
8th Nov 20255712 AMAQI
8th Nov 2025531 AMAQI
8th Nov 2025552 AMAQI
8th Nov 2025443 AMAQI
8th Nov 2025544 AMAQI
8th Nov 2025615 AMAQI

-2°C-6/1°C

8th Nov 2025616 AMAQI
8th Nov 2025637 AMAQI
8th Nov 2025808 AMAQI
8th Nov 20251369 AMAQI
8th Nov 202514810 AMAQI
8th Nov 202514811 AMAQI
8th Nov 202515512 PMAQI
8th Nov 20251591 PMAQI
8th Nov 20251632 PMAQI
8th Nov 20251643 PMAQI
8th Nov 20252034 PMAQI
8th Nov 20251735 PMAQI
8th Nov 20252406 PMAQI
8th Nov 20252327 PMAQI
8th Nov 20252278 PMAQI
8th Nov 20252029 PMAQI
8th Nov 202519310 PMAQI
8th Nov 202519211 PMAQI
9th Nov 202517112 AMAQI
9th Nov 20251591 AMAQI
9th Nov 20251572 AMAQI
9th Nov 20251463 AMAQI
9th Nov 20251034 AMAQI
9th Nov 2025835 AMAQI

-1°C-3/3°C

9th Nov 2025676 AMAQI
9th Nov 2025607 AMAQI
9th Nov 2025608 AMAQI
9th Nov 2025559 AMAQI
9th Nov 20255310 AMAQI
9th Nov 20255411 AMAQI
9th Nov 20255612 PMAQI
9th Nov 2025551 PMAQI
9th Nov 2025532 PMAQI
9th Nov 2025403 PMAQI
9th Nov 2025374 PMAQI
9th Nov 2025325 PMAQI
9th Nov 2025306 PMAQI
9th Nov 2025357 PMAQI
9th Nov 2025588 PMAQI
9th Nov 2025589 PMAQI
9th Nov 20255710 PMAQI
9th Nov 20255111 PMAQI
10th Nov 20252712 AMAQI
10th Nov 2025231 AMAQI
10th Nov 2025262 AMAQI
10th Nov 2025283 AMAQI
10th Nov 2025224 AMAQI
10th Nov 2025175 AMAQI

-2°C-5/2°C

10th Nov 2025286 AMAQI
10th Nov 2025307 AMAQI
10th Nov 2025338 AMAQI
10th Nov 2025429 AMAQI
10th Nov 20255310 AMAQI
10th Nov 20255811 AMAQI
10th Nov 20256012 PMAQI
10th Nov 2025601 PMAQI
10th Nov 2025552 PMAQI
10th Nov 2025523 PMAQI
10th Nov 2025484 PMAQI
10th Nov 2025555 PMAQI
10th Nov 2025556 PMAQI
10th Nov 2025547 PMAQI
10th Nov 2025568 PMAQI
10th Nov 2025609 PMAQI
10th Nov 20257310 PMAQI
10th Nov 20257011 PMAQI
11th Nov 20256712 AMAQI
11th Nov 2025641 AMAQI
11th Nov 2025572 AMAQI
11th Nov 2025553 AMAQI
11th Nov 2025564 AMAQI
11th Nov 2025505 AMAQI

-5°C-9/0°C

11th Nov 2025456 AMAQI
11th Nov 2025477 AMAQI
11th Nov 2025488 AMAQI
11th Nov 2025579 AMAQI
11th Nov 20256410 AMAQI
11th Nov 20257211 AMAQI
11th Nov 20257012 PMAQI
11th Nov 2025641 PMAQI
11th Nov 2025632 PMAQI
11th Nov 2025543 PMAQI
11th Nov 2025504 PMAQI
11th Nov 2025425 PMAQI
11th Nov 2025286 PMAQI
11th Nov 2025417 PMAQI
11th Nov 2025558 PMAQI
11th Nov 2025579 PMAQI
11th Nov 20255710 PMAQI
11th Nov 20256611 PMAQI
12th Nov 20257412 AMAQI
12th Nov 2025901 AMAQI
12th Nov 2025932 AMAQI
12th Nov 2025843 AMAQI
12th Nov 2025744 AMAQI
12th Nov 2025685 AMAQI

-1°C-6/6°C

12th Nov 2025936 AMAQI
12th Nov 20251007 AMAQI
12th Nov 2025988 AMAQI
12th Nov 20251009 AMAQI
12th Nov 202510910 AMAQI
12th Nov 202511111 AMAQI
12th Nov 20259512 PMAQI
12th Nov 2025901 PMAQI
12th Nov 2025822 PMAQI
12th Nov 2025743 PMAQI
12th Nov 2025704 PMAQI
12th Nov 2025795 PMAQI
12th Nov 2025716 PMAQI
12th Nov 2025667 PMAQI
12th Nov 2025568 PMAQI
12th Nov 2025529 PMAQI
12th Nov 20253710 PMAQI
12th Nov 20252111 PMAQI
13th Nov 20251912 AMAQI
13th Nov 2025201 AMAQI
13th Nov 2025202 AMAQI
13th Nov 2025233 AMAQI
13th Nov 2025224 AMAQI
13th Nov 2025175 AMAQI

1°C-3/6°C

13th Nov 2025136 AMAQI
13th Nov 2025127 AMAQI
13th Nov 2025188 AMAQI
13th Nov 2025239 AMAQI
13th Nov 20252910 AMAQI
13th Nov 20252811 AMAQI
13th Nov 20252212 PMAQI
13th Nov 2025271 PMAQI
13th Nov 2025292 PMAQI
13th Nov 2025243 PMAQI
13th Nov 2025234 PMAQI
13th Nov 2025305 PMAQI
13th Nov 2025446 PMAQI
13th Nov 2025637 PMAQI
13th Nov 2025968 PMAQI
13th Nov 20251389 PMAQI
13th Nov 202512710 PMAQI
13th Nov 202512611 PMAQI
14th Nov 202512412 AMAQI
14th Nov 20251471 AMAQI
14th Nov 20251542 AMAQI
14th Nov 20251523 AMAQI
14th Nov 20251534 AMAQI
14th Nov 2025735 AMAQI

-2°C-6/2°C

14th Nov 2025386 AMAQI
14th Nov 2025267 AMAQI
14th Nov 2025198 AMAQI
14th Nov 2025189 AMAQI
14th Nov 20252810 AMAQI
14th Nov 20255211 AMAQI
14th Nov 20256112 PMAQI
14th Nov 2025561 PMAQI
14th Nov 2025562 PMAQI
14th Nov 2025553 PMAQI
14th Nov 2025554 PMAQI
14th Nov 2025585 PMAQI
14th Nov 2025616 PMAQI
14th Nov 2025647 PMAQI
14th Nov 2025848 PMAQI
14th Nov 20251209 PMAQI
14th Nov 202511510 PMAQI
14th Nov 202510411 PMAQI
15th Nov 20259412 AMAQI
15th Nov 2025871 AMAQI
15th Nov 2025762 AMAQI
15th Nov 2025803 AMAQI
15th Nov 2025914 AMAQI
15th Nov 2025935 AMAQI

-4°C-8/0°C

15th Nov 2025726 AMAQI
15th Nov 2025917 AMAQI
15th Nov 2025818 AMAQI
15th Nov 2025919 AMAQI
15th Nov 20259010 AMAQI
15th Nov 20259011 AMAQI
15th Nov 20259212 PMAQI
15th Nov 20251041 PMAQI
15th Nov 20251282 PMAQI
15th Nov 20251413 PMAQI
15th Nov 20251414 PMAQI
15th Nov 20251465 PMAQI
15th Nov 20251386 PMAQI
15th Nov 20251957 PMAQI
15th Nov 20251728 PMAQI
15th Nov 20251769 PMAQI
15th Nov 202520610 PMAQI
15th Nov 202520311 PMAQI
16th Nov 202520512 AMAQI
16th Nov 20252091 AMAQI
16th Nov 20251232 AMAQI
16th Nov 2025943 AMAQI
16th Nov 2025924 AMAQI
16th Nov 2025875 AMAQI

-3°C-7/4°C

16th Nov 2025966 AMAQI
16th Nov 2025957 AMAQI
16th Nov 20251118 AMAQI
16th Nov 20251049 AMAQI
16th Nov 20259910 AMAQI
16th Nov 20258611 AMAQI
16th Nov 20257512 PMAQI
16th Nov 2025841 PMAQI
16th Nov 2025842 PMAQI
16th Nov 2025863 PMAQI
16th Nov 2025874 PMAQI
16th Nov 2025835 PMAQI
16th Nov 2025716 PMAQI
16th Nov 2025697 PMAQI
16th Nov 2025708 PMAQI
16th Nov 2025589 PMAQI
16th Nov 20255510 PMAQI
16th Nov 20255211 PMAQI
17th Nov 20254912 AMAQI
17th Nov 2025321 AMAQI
17th Nov 2025292 AMAQI
17th Nov 2025303 AMAQI
17th Nov 2025254 AMAQI
17th Nov 2025185 AMAQI

-4°C-7/-2°C

17th Nov 2025176 AMAQI
17th Nov 2025187 AMAQI
17th Nov 2025208 AMAQI
17th Nov 2025309 AMAQI
17th Nov 20253810 AMAQI
17th Nov 20254711 AMAQI
17th Nov 20255012 PMAQI
17th Nov 2025341 PMAQI
17th Nov 2025262 PMAQI
17th Nov 2025283 PMAQI
17th Nov 2025254 PMAQI
17th Nov 2025275 PMAQI
17th Nov 2025286 PMAQI
17th Nov 2025427 PMAQI
17th Nov 2025468 PMAQI
17th Nov 2025579 PMAQI
17th Nov 20255410 PMAQI
17th Nov 20255411 PMAQI
18th Nov 20255212 AMAQI
18th Nov 2025261 AMAQI
18th Nov 2025342 AMAQI
18th Nov 2025403 AMAQI
18th Nov 2025364 AMAQI
18th Nov 2025275 AMAQI

-6°C-9/-3°C

18th Nov 2025286 AMAQI
18th Nov 2025247 AMAQI
18th Nov 2025418 AMAQI
18th Nov 2025589 AMAQI
18th Nov 20256410 AMAQI
18th Nov 20256911 AMAQI
18th Nov 20256912 PMAQI
18th Nov 2025631 PMAQI
18th Nov 2025552 PMAQI
18th Nov 2025533 PMAQI
18th Nov 2025514 PMAQI
18th Nov 2025505 PMAQI
18th Nov 2025446 PMAQI
18th Nov 2025657 PMAQI
18th Nov 2025688 PMAQI
18th Nov 2025679 PMAQI
18th Nov 20256510 PMAQI
18th Nov 20256811 PMAQI
19th Nov 20257112 AMAQI
19th Nov 2025731 AMAQI
19th Nov 2025712 AMAQI
19th Nov 2025713 AMAQI
19th Nov 2025674 AMAQI
19th Nov 2025715 AMAQI

-6°C-11/0°C

19th Nov 2025696 AMAQI
19th Nov 2025627 AMAQI
19th Nov 2025588 AMAQI
19th Nov 2025589 AMAQI
19th Nov 20256110 AMAQI
19th Nov 20256211 AMAQI
19th Nov 20255912 PMAQI
19th Nov 2025591 PMAQI
19th Nov 2025572 PMAQI
19th Nov 2025573 PMAQI
19th Nov 2025564 PMAQI
19th Nov 2025585 PMAQI
19th Nov 2025596 PMAQI
19th Nov 2025727 PMAQI
19th Nov 2025778 PMAQI
19th Nov 2025679 PMAQI
19th Nov 20255710 PMAQI
19th Nov 20255511 PMAQI
20th Nov 20255312 AMAQI
20th Nov 2025481 AMAQI
20th Nov 2025552 AMAQI
20th Nov 2025533 AMAQI
20th Nov 2025504 AMAQI
20th Nov 2025475 AMAQI

0°C-4/6°C

20th Nov 2025456 AMAQI
20th Nov 2025477 AMAQI
20th Nov 2025398 AMAQI
20th Nov 2025329 AMAQI
20th Nov 20253310 AMAQI
20th Nov 20253411 AMAQI
20th Nov 20253112 PMAQI
20th Nov 2025251 PMAQI
20th Nov 2025272 PMAQI
20th Nov 2025303 PMAQI
20th Nov 2025324 PMAQI
20th Nov 2025385 PMAQI
20th Nov 2025516 PMAQI
20th Nov 2025587 PMAQI
20th Nov 2025688 PMAQI
20th Nov 2025699 PMAQI
20th Nov 20256710 PMAQI
20th Nov 20255711 PMAQI
21st Nov 20255612 AMAQI
21st Nov 2025551 AMAQI
21st Nov 2025612 AMAQI
21st Nov 2025663 AMAQI
21st Nov 2025664 AMAQI
21st Nov 2025625 AMAQI

-3°C-6/1°C

21st Nov 2025626 AMAQI
21st Nov 2025627 AMAQI
21st Nov 2025608 AMAQI
21st Nov 2025639 AMAQI
21st Nov 20256710 AMAQI
21st Nov 20256111 AMAQI
21st Nov 20255612 PMAQI
21st Nov 2025541 PMAQI
21st Nov 2025562 PMAQI
21st Nov 2025393 PMAQI
21st Nov 2025394 PMAQI
21st Nov 2025415 PMAQI
21st Nov 2025576 PMAQI
21st Nov 2025647 PMAQI
21st Nov 2025648 PMAQI
21st Nov 2025739 PMAQI
21st Nov 20259010 PMAQI
21st Nov 20259211 PMAQI
22nd Nov 20259112 AMAQI
22nd Nov 2025861 AMAQI
22nd Nov 2025772 AMAQI
22nd Nov 2025663 AMAQI
22nd Nov 2025564 AMAQI
22nd Nov 2025535 AMAQI

-3°C-8/1°C

22nd Nov 2025526 AMAQI
22nd Nov 2025517 AMAQI
22nd Nov 2025528 AMAQI
22nd Nov 2025569 AMAQI
22nd Nov 20256010 AMAQI
22nd Nov 20256111 AMAQI
22nd Nov 20255812 PMAQI
22nd Nov 2025571 PMAQI
22nd Nov 2025592 PMAQI
22nd Nov 2025673 PMAQI
22nd Nov 2025754 PMAQI
22nd Nov 2025795 PMAQI
22nd Nov 2025816 PMAQI
22nd Nov 2025947 PMAQI
22nd Nov 2025888 PMAQI
22nd Nov 2025839 PMAQI
22nd Nov 20258310 PMAQI
22nd Nov 20257511 PMAQI
23rd Nov 20257812 AMAQI
23rd Nov 2025701 AMAQI
23rd Nov 2025842 AMAQI
23rd Nov 20251293 AMAQI
23rd Nov 20251284 AMAQI
23rd Nov 20251225 AMAQI

3°C-2/10°C

23rd Nov 20251196 AMAQI
23rd Nov 2025957 AMAQI
23rd Nov 2025888 AMAQI
23rd Nov 2025819 AMAQI
23rd Nov 20257510 AMAQI
23rd Nov 20258111 AMAQI
23rd Nov 20258112 PMAQI
23rd Nov 2025861 PMAQI
23rd Nov 2025842 PMAQI
23rd Nov 2025853 PMAQI
23rd Nov 2025844 PMAQI
23rd Nov 2025785 PMAQI
23rd Nov 2025846 PMAQI
23rd Nov 20251027 PMAQI
23rd Nov 2025978 PMAQI
23rd Nov 20251359 PMAQI
23rd Nov 202510610 PMAQI
23rd Nov 20259511 PMAQI
24th Nov 20258412 AMAQI
24th Nov 2025701 AMAQI
24th Nov 2025752 AMAQI
24th Nov 2025343 AMAQI
24th Nov 2025274 AMAQI
24th Nov 2025275 AMAQI

0°C-4/4°C

24th Nov 2025236 AMAQI
24th Nov 2025287 AMAQI
24th Nov 2025238 AMAQI
24th Nov 2025269 AMAQI
24th Nov 20252810 AMAQI
24th Nov 20252911 AMAQI
24th Nov 20254012 PMAQI
24th Nov 2025421 PMAQI
24th Nov 2025422 PMAQI
24th Nov 2025543 PMAQI
24th Nov 2025644 PMAQI
24th Nov 2025715 PMAQI
24th Nov 2025846 PMAQI
24th Nov 2025967 PMAQI
24th Nov 20251098 PMAQI
24th Nov 20251249 PMAQI
24th Nov 202513310 PMAQI
24th Nov 202514011 PMAQI
25th Nov 202513712 AMAQI
25th Nov 20251101 AMAQI
25th Nov 20251122 AMAQI
25th Nov 2025653 AMAQI
25th Nov 2025344 AMAQI
25th Nov 2025365 AMAQI

-4°C-8/-2°C

25th Nov 2025526 AMAQI
25th Nov 2025597 AMAQI
25th Nov 2025738 AMAQI
25th Nov 2025709 AMAQI
25th Nov 20257210 AMAQI
25th Nov 20258111 AMAQI
25th Nov 20257612 PMAQI
25th Nov 2025721 PMAQI
25th Nov 2025612 PMAQI
25th Nov 2025613 PMAQI
25th Nov 2025534 PMAQI
25th Nov 2025535 PMAQI
25th Nov 2025566 PMAQI
25th Nov 2025637 PMAQI
25th Nov 2025688 PMAQI
25th Nov 2025649 PMAQI
25th Nov 20256410 PMAQI
25th Nov 20256611 PMAQI
26th Nov 20256612 AMAQI
26th Nov 2025701 AMAQI
26th Nov 2025682 AMAQI
26th Nov 2025683 AMAQI
26th Nov 2025754 AMAQI
26th Nov 2025795 AMAQI

-8°C-12/-4°C

26th Nov 2025756 AMAQI
26th Nov 2025727 AMAQI
26th Nov 2025748 AMAQI
26th Nov 2025889 AMAQI
26th Nov 20259510 AMAQI
26th Nov 202511211 AMAQI
26th Nov 202512812 PMAQI
26th Nov 20251221 PMAQI
26th Nov 20251182 PMAQI
26th Nov 20251173 PMAQI
26th Nov 20251314 PMAQI
26th Nov 20251355 PMAQI
26th Nov 20251166 PMAQI
26th Nov 20251007 PMAQI
26th Nov 2025858 PMAQI
26th Nov 2025869 PMAQI
26th Nov 20258910 PMAQI
26th Nov 20259111 PMAQI
27th Nov 20258412 AMAQI
27th Nov 2025631 AMAQI
27th Nov 2025382 AMAQI
27th Nov 2025243 AMAQI
27th Nov 2025294 AMAQI
27th Nov 2025185 AMAQI

-5°C-8/-2°C

27th Nov 2025206 AMAQI
6 AM
27th Nov 2025187 AMAQI
27th Nov 2025178 AMAQI
27th Nov 2025209 AMAQI
27th Nov 20252210 AMAQI
27th Nov 20252711 AMAQI
11 AM
27th Nov 20252712 PMAQI
27th Nov 2025241 PMAQI
4 PM
11 PM
5 AM

--°C/°C

Day time
Avg. Highest Time
4 PM

78AQI

1 hours / Day
30 hours / Month
Avg. Lowest Time
7 AM - 8 AM

63AQI

2 hours / Day
60 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 4 PM to 4 PM (Avg. 78), while the lowest AQI was between 7 AM to 8 AM (Avg. 63).
Night time
Avg. Highest Time
9 PM - 11 PM

99AQI

3 hours / Day
90 hours / Month
Avg. Lowest Time
5 AM

71AQI

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. 99), while the lowest AQI was between 5 AM to 5 AM (Avg. 71).

2025 Days Vs Air Quality

City Environmental Monitoring Station, Qiqihar, Heilongjiang, China

2025

28%

93

55%

181

12%

41

3%

10

2%

5

Total number of days with different AQI categories in last 331 days in 2025 (34 days remaining)

Good
93 Days
Moderate
181 Days
Poor
41 Days
Unhealthy
10 Days
Severe
5 Days
Hazardous
0 Days

Under WHO’s Safe Air Quality Limits: 28%

Health Risk Level:

Very high

In 2025, 28% of 331 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

City Environmental Monitoring Station, Qiqihar, 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
144AQI
2nd January 2025
116AQI
3rd January 2025
122AQI
4th January 2025
159AQI
5th January 2025
154AQI
6th January 2025
131AQI
7th January 2025
89AQI
8th January 2025
99AQI
9th January 2025
67AQI
10th January 2025
86AQI
11th January 2025
117AQI
12th January 2025
173AQI
13th January 2025
218AQI
14th January 2025
120AQI
15th January 2025
103AQI
16th January 2025
97AQI
17th January 2025
152AQI
18th January 2025
176AQI
19th January 2025
186AQI
20th January 2025
180AQI
21st January 2025
145AQI
22nd January 2025
149AQI
23rd January 2025
219AQI
24th January 2025
250AQI
25th January 2025
233AQI
26th January 2025
220AQI
27th January 2025
117AQI
28th January 2025
126AQI
29th January 2025
111AQI
30th January 2025
95AQI
31st January 2025
87AQI
1st February 2025
133AQI
2nd February 2025
141AQI
3rd February 2025
95AQI
4th February 2025
90AQI
5th February 2025
91AQI
6th February 2025
83AQI
7th February 2025
52AQI
8th February 2025
56AQI
9th February 2025
63AQI
10th February 2025
81AQI
11th February 2025
131AQI
12th February 2025
98AQI
13th February 2025
94AQI
14th February 2025
81AQI
15th February 2025
90AQI
16th February 2025
70AQI
17th February 2025
61AQI
18th February 2025
57AQI
19th February 2025
62AQI
20th February 2025
62AQI
21st February 2025
66AQI
22nd February 2025
60AQI
23rd February 2025
62AQI
24th February 2025
68AQI
25th February 2025
60AQI
26th February 2025
60AQI
27th February 2025
62AQI
28th February 2025
50AQI
1st March 2025
54AQI
2nd March 2025
56AQI
3rd March 2025
63AQI
4th March 2025
88AQI
5th March 2025
128AQI
6th March 2025
92AQI
7th March 2025
124AQI
8th March 2025
94AQI
9th March 2025
144AQI
10th March 2025
103AQI
11th March 2025
105AQI
12th March 2025
76AQI
13th March 2025
65AQI
14th March 2025
53AQI
15th March 2025
57AQI
16th March 2025
56AQI
17th March 2025
65AQI
18th March 2025
60AQI
19th March 2025
79AQI
20th March 2025
57AQI
21st March 2025
57AQI
22nd March 2025
61AQI
23rd March 2025
155AQI
24th March 2025
60AQI
25th March 2025
97AQI
26th March 2025
89AQI
27th March 2025
58AQI
28th March 2025
62AQI
29th March 2025
45AQI
30th March 2025
60AQI
31st March 2025
73AQI
1st April 2025
94AQI
2nd April 2025
93AQI
3rd April 2025
92AQI
4th April 2025
134AQI
5th April 2025
107AQI
6th April 2025
114AQI
7th April 2025
109AQI
8th April 2025
93AQI
9th April 2025
116AQI
10th April 2025
152AQI
11th April 2025
115AQI
12th April 2025
79AQI
13th April 2025
70AQI
14th April 2025
62AQI
15th April 2025
61AQI
16th April 2025
55AQI
17th April 2025
76AQI
18th April 2025
50AQI
19th April 2025
62AQI
20th April 2025
75AQI
21st April 2025
111AQI
22nd April 2025
50AQI
23rd April 2025
78AQI
24th April 2025
46AQI
25th April 2025
49AQI
26th April 2025
56AQI
27th April 2025
102AQI
28th April 2025
56AQI
29th April 2025
109AQI
30th April 2025
49AQI
1st May 2025
62AQI
2nd May 2025
44AQI
3rd May 2025
47AQI
4th May 2025
37AQI
5th May 2025
43AQI
6th May 2025
47AQI
7th May 2025
58AQI
8th May 2025
69AQI
9th May 2025
75AQI
10th May 2025
60AQI
11th May 2025
100AQI
12th May 2025
114AQI
13th May 2025
101AQI
14th May 2025
86AQI
15th May 2025
95AQI
16th May 2025
118AQI
17th May 2025
63AQI
18th May 2025
74AQI
19th May 2025
67AQI
20th May 2025
74AQI
21st May 2025
51AQI
22nd May 2025
55AQI
23rd May 2025
49AQI
24th May 2025
53AQI
25th May 2025
65AQI
26th May 2025
73AQI
27th May 2025
72AQI
28th May 2025
87AQI
29th May 2025
82AQI
30th May 2025
94AQI
31st May 2025
70AQI
1st June 2025
58AQI
2nd June 2025
58AQI
3rd June 2025
45AQI
4th June 2025
50AQI
5th June 2025
41AQI
6th June 2025
36AQI
7th June 2025
36AQI
8th June 2025
48AQI
9th June 2025
37AQI
10th June 2025
37AQI
11th June 2025
39AQI
12th June 2025
53AQI
13th June 2025
55AQI
14th June 2025
56AQI
15th June 2025
61AQI
16th June 2025
55AQI
17th June 2025
52AQI
18th June 2025
59AQI
19th June 2025
56AQI
20th June 2025
53AQI
21st June 2025
47AQI
22nd June 2025
43AQI
23rd June 2025
49AQI
24th June 2025
55AQI
25th June 2025
58AQI
26th June 2025
57AQI
27th June 2025
64AQI
28th June 2025
61AQI
29th June 2025
63AQI
30th June 2025
61AQI
1st July 2025
57AQI
2nd July 2025
53AQI
3rd July 2025
50AQI
4th July 2025
57AQI
5th July 2025
51AQI
6th July 2025
50AQI
7th July 2025
51AQI
8th July 2025
50AQI
9th July 2025
53AQI
10th July 2025
57AQI
11th July 2025
58AQI
12th July 2025
54AQI
13th July 2025
49AQI
14th July 2025
50AQI
15th July 2025
49AQI
16th July 2025
49AQI
17th July 2025
48AQI
18th July 2025
51AQI
19th July 2025
50AQI
20th July 2025
45AQI
21st July 2025
47AQI
22nd July 2025
47AQI
23rd July 2025
54AQI
24th July 2025
55AQI
25th July 2025
50AQI
26th July 2025
54AQI
27th July 2025
47AQI
28th July 2025
50AQI
29th July 2025
47AQI
30th July 2025
44AQI
31st July 2025
45AQI
1st August 2025
46AQI
2nd August 2025
50AQI
3rd August 2025
40AQI
4th August 2025
44AQI
5th August 2025
43AQI
6th August 2025
39AQI
7th August 2025
35AQI
8th August 2025
38AQI
9th August 2025
34AQI
10th August 2025
33AQI
11th August 2025
36AQI
12th August 2025
49AQI
13th August 2025
45AQI
14th August 2025
43AQI
15th August 2025
53AQI
16th August 2025
43AQI
17th August 2025
41AQI
18th August 2025
40AQI
19th August 2025
44AQI
20th August 2025
43AQI
21st August 2025
43AQI
22nd August 2025
38AQI
23rd August 2025
47AQI
24th August 2025
43AQI
25th August 2025
45AQI
26th August 2025
42AQI
27th August 2025
48AQI
28th August 2025
46AQI
29th August 2025
49AQI
30th August 2025
54AQI
31st August 2025
59AQI
1st September 2025
57AQI
2nd September 2025
58AQI
3rd September 2025
62AQI
4th September 2025
68AQI
5th September 2025
68AQI
6th September 2025
53AQI
7th September 2025
52AQI
8th September 2025
52AQI
9th September 2025
54AQI
10th September 2025
56AQI
11th September 2025
58AQI
12th September 2025
58AQI
13th September 2025
62AQI
14th September 2025
61AQI
15th September 2025
52AQI
16th September 2025
49AQI
17th September 2025
44AQI
18th September 2025
46AQI
19th September 2025
48AQI
20th September 2025
49AQI
21st September 2025
53AQI
22nd September 2025
51AQI
23rd September 2025
54AQI
24th September 2025
50AQI
25th September 2025
42AQI
26th September 2025
39AQI
27th September 2025
38AQI
28th September 2025
35AQI
29th September 2025
36AQI
30th September 2025
50AQI
1st October 2025
41AQI
2nd October 2025
43AQI
3rd October 2025
75AQI
4th October 2025
54AQI
5th October 2025
48AQI
6th October 2025
66AQI
7th October 2025
43AQI
8th October 2025
54AQI
9th October 2025
75AQI
10th October 2025
44AQI
11th October 2025
54AQI
12th October 2025
53AQI
13th October 2025
51AQI
14th October 2025
57AQI
15th October 2025
63AQI
16th October 2025
69AQI
17th October 2025
57AQI
18th October 2025
53AQI
19th October 2025
58AQI
20th October 2025
61AQI
21st October 2025
62AQI
22nd October 2025
53AQI
23rd October 2025
69AQI
24th October 2025
73AQI
25th October 2025
79AQI
26th October 2025
34AQI
27th October 2025
57AQI
28th October 2025
58AQI
29th October 2025
118AQI
30th October 2025
110AQI
31st October 2025
124AQI
1st November 2025
94AQI
2nd November 2025
52AQI
3rd November 2025
133AQI
4th November 2025
127AQI
5th November 2025
153AQI
6th November 2025
105AQI
7th November 2025
72AQI
8th November 2025
125AQI
9th November 2025
92AQI
10th November 2025
43AQI
11th November 2025
56AQI
12th November 2025
75AQI
13th November 2025
42AQI
14th November 2025
89AQI
15th November 2025
120AQI
16th November 2025
111AQI
17th November 2025
38AQI
18th November 2025
51AQI
19th November 2025
65AQI
20th November 2025
49AQI
21st November 2025
62AQI
22nd November 2025
74AQI
23rd November 2025
94AQI
24th November 2025
70AQI
25th November 2025
78AQI
26th November 2025
81AQI
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

143AQI

78AQI

79AQI

84AQI

70AQI

51AQI

51AQI

44AQI

52AQI

63AQI

83AQI

No. of days

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

202572AQI

7
12
7
5
1
24
3
1
24
5
1
5
15
9
1
6
22
3
12
18
18
13
28
3
12
18
6
22
3
4
15
6
1
93
181
41
10
5

Highest AQI recorded in

January

143AQI

Lowest AQI recorded in

August

44AQI

202474AQI

4
18
9
6
14
5
3
1
8
20
3
5
13
9
3
13
17
1
11
19
7
12
8
4
20
11
25
5
13
16
1
1
3
14
4
6
3
28
3
115
187
43
17
4

Highest AQI recorded in

November

109AQI

Lowest AQI recorded in

September

45AQI

202374AQI

14
8
8
1
1
15
10
2
4
20
5
1
1
2
15
9
3
1
6
21
3
1
12
17
1
15
13
1
2
27
4
23
7
15
14
2
12
9
7
1
7
18
4
2
124
167
50
20
3

Highest AQI recorded in

January

118AQI

Lowest AQI recorded in

August

39AQI

202269AQI

1
1
1
1
6
5
25
1
7
23
13
8
2
15
13
6
19
6
2
20
7
1
22
8
1
51
137
23
3

Highest AQI recorded in

March

149AQI

Lowest AQI recorded in

August

45AQI

202174AQI

9
19
2
1
13
13
2
5
18
5
3
4
16
7
1
31
66
16
5

Highest AQI recorded in

March

85AQI

Lowest AQI recorded in

February

56AQI

202061AQI

1
8
2
2
3
4
8
2
2
2
5
11
1
1
18
11
1
2
27
2
27
4
22
8
21
9
1
21
9
14
14
3
134
105
18
5
2
2

Highest AQI recorded in

April

141AQI

Lowest AQI recorded in

August

33AQI

Most & Least Polluted Years Over the Last 6 Years

Most Polluted Year Recorded
2021(Avg.)
74AQI
Least Polluted Year Recorded
2020(Avg.)
61AQI

City Environmental Monitoring Station's annual 2025 AQI (72) shows an average percentage change of 3.7% (worsened AQI) compared to previous years: 2020 (61), 2021 (74), 2022 (69), 2023 (74), 2024 (74).