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+
August 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
28th Aug 2023
78AQILowest AQI recorded on
4th Aug 2023
21AQISame Day Analysis (4th August ):
On this day, AQI across the 4 years varied significantly: 2025 ranks 2nd highest AQI at 46 of Good air quality, showing improvement over 2024 on the same day.
Download 2024 Annual Data
World Air Quality Report
Day & Night AQI Trend: 4th Aug - 5th Aug 2025
City Environmental Monitoring Station, Qiqihar, Heilongjiang, China
AQI
Day
Night
.
4 AM4th Aug 2025
7 PM
3 AM5th Aug 2025
Day time
Avg. Highest Time
5AM4th Aug
50AQI
Avg. Lowest Time
10AM4th Aug
23AQI
Night time
Avg. Highest Time
10PM4th Aug
56AQI
Avg. Lowest Time
2AM5th Aug
44AQI
In the last 24 hours,
City Environmental Monitoring Station's AQI reached its highest point of 56 at 10 PM during the Night, while the lowest point, 23, was recorded at 10 AM during the Day between 4th Aug and 5th Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
City Environmental Monitoring Station, Qiqihar, Heilongjiang, China
JulAug
06th - 07th07th - 08th08th - 09th09th - 10th10th - 11th11th - 12th12th - 13th13th - 14th14th - 15th15th - 16th16th - 17th17th - 18th18th - 19th19th - 20th20th - 21st21st - 22nd22nd - 23rd23rd - 24th24th - 25th25th - 26th26th - 27th27th - 28th28th - 29th29th - 30th30th - 31st31st - 01st01st - 02nd02nd - 03rd03rd - 04th04th - 05th05th
Day
Night
6th Jul 2025564 AMAQI
6th Jul 2025565 AMAQI
6th Jul 2025566 AMAQI
6th Jul 2025557 AMAQI
6th Jul 2025378 AMAQI
6th Jul 2025199 AMAQI
6th Jul 20252210 AMAQI
6th Jul 20252611 AMAQI
6th Jul 20254012 PMAQI
6th Jul 2025401 PMAQI
6th Jul 2025422 PMAQI
6th Jul 2025473 PMAQI
6th Jul 2025404 PMAQI
6th Jul 2025405 PMAQI
6th Jul 2025426 PMAQI
6th Jul 2025487 PMAQI
6th Jul 2025578 PMAQI
6th Jul 2025569 PMAQI
6th Jul 20255710 PMAQI
6th Jul 20255811 PMAQI
7th Jul 20255612 AMAQI
7th Jul 2025561 AMAQI
7th Jul 2025562 AMAQI
7th Jul 2025563 AMAQI
25°C19/32°C
7th Jul 2025554 AMAQI
7th Jul 2025555 AMAQI
7th Jul 2025556 AMAQI
7th Jul 2025557 AMAQI
7th Jul 2025548 AMAQI
7th Jul 2025449 AMAQI
7th Jul 20253610 AMAQI
7th Jul 20252411 AMAQI
7th Jul 20254312 PMAQI
7th Jul 2025401 PMAQI
7th Jul 2025472 PMAQI
7th Jul 2025493 PMAQI
7th Jul 2025464 PMAQI
7th Jul 2025445 PMAQI
7th Jul 2025456 PMAQI
7th Jul 2025467 PMAQI
7th Jul 2025568 PMAQI
7th Jul 2025569 PMAQI
7th Jul 20255510 PMAQI
7th Jul 20255611 PMAQI
8th Jul 20255612 AMAQI
8th Jul 2025561 AMAQI
8th Jul 2025562 AMAQI
8th Jul 2025563 AMAQI
24°C16/31°C
8th Jul 2025554 AMAQI
8th Jul 2025555 AMAQI
8th Jul 2025566 AMAQI
8th Jul 2025567 AMAQI
8th Jul 2025328 AMAQI
8th Jul 2025269 AMAQI
8th Jul 20252610 AMAQI
8th Jul 20253011 AMAQI
8th Jul 20254012 PMAQI
8th Jul 2025461 PMAQI
8th Jul 2025502 PMAQI
8th Jul 2025483 PMAQI
8th Jul 2025484 PMAQI
8th Jul 2025465 PMAQI
8th Jul 2025476 PMAQI
8th Jul 2025487 PMAQI
8th Jul 2025558 PMAQI
8th Jul 2025559 PMAQI
8th Jul 20255410 PMAQI
8th Jul 20255411 PMAQI
9th Jul 20255512 AMAQI
9th Jul 2025551 AMAQI
9th Jul 2025562 AMAQI
9th Jul 2025563 AMAQI
25°C21/31°C
9th Jul 2025554 AMAQI
9th Jul 2025555 AMAQI
9th Jul 2025556 AMAQI
9th Jul 2025547 AMAQI
9th Jul 2025428 AMAQI
9th Jul 2025389 AMAQI
9th Jul 20253710 AMAQI
9th Jul 20254811 AMAQI
9th Jul 20255212 PMAQI
9th Jul 2025511 PMAQI
9th Jul 2025532 PMAQI
9th Jul 2025523 PMAQI
9th Jul 2025544 PMAQI
9th Jul 2025505 PMAQI
9th Jul 2025526 PMAQI
9th Jul 2025537 PMAQI
9th Jul 2025568 PMAQI
9th Jul 2025569 PMAQI
9th Jul 20255610 PMAQI
9th Jul 20255611 PMAQI
10th Jul 20255412 AMAQI
10th Jul 2025551 AMAQI
10th Jul 2025542 AMAQI
10th Jul 2025543 AMAQI
27°C18/35°C
10th Jul 2025554 AMAQI
10th Jul 2025545 AMAQI
10th Jul 2025546 AMAQI
10th Jul 2025547 AMAQI
10th Jul 2025548 AMAQI
10th Jul 2025569 AMAQI
10th Jul 20255610 AMAQI
10th Jul 20255911 AMAQI
10th Jul 20256812 PMAQI
10th Jul 2025691 PMAQI
10th Jul 2025642 PMAQI
10th Jul 2025623 PMAQI
10th Jul 2025594 PMAQI
10th Jul 2025595 PMAQI
10th Jul 2025606 PMAQI
10th Jul 2025587 PMAQI
10th Jul 2025578 PMAQI
10th Jul 2025579 PMAQI
10th Jul 20255510 PMAQI
10th Jul 20255611 PMAQI
11th Jul 20255512 AMAQI
11th Jul 2025551 AMAQI
11th Jul 2025552 AMAQI
11th Jul 2025553 AMAQI
30°C23/37°C
11th Jul 2025554 AMAQI
11th Jul 2025565 AMAQI
11th Jul 2025556 AMAQI
11th Jul 2025567 AMAQI
11th Jul 2025658 AMAQI
11th Jul 2025709 AMAQI
11th Jul 20256810 AMAQI
11th Jul 20256611 AMAQI
11th Jul 20256112 PMAQI
11th Jul 2025601 PMAQI
11th Jul 2025602 PMAQI
11th Jul 2025603 PMAQI
11th Jul 2025604 PMAQI
11th Jul 2025585 PMAQI
11th Jul 2025586 PMAQI
11th Jul 2025627 PMAQI
11th Jul 2025608 PMAQI
11th Jul 2025609 PMAQI
11th Jul 20255810 PMAQI
11th Jul 20255711 PMAQI
12th Jul 20255712 AMAQI
12th Jul 2025561 AMAQI
12th Jul 2025552 AMAQI
12th Jul 2025563 AMAQI
31°C25/39°C
12th Jul 2025574 AMAQI
12th Jul 2025575 AMAQI
12th Jul 2025586 AMAQI
12th Jul 2025587 AMAQI
12th Jul 2025558 AMAQI
12th Jul 2025489 AMAQI
12th Jul 20255210 AMAQI
12th Jul 20255011 AMAQI
12th Jul 20254912 PMAQI
12th Jul 2025481 PMAQI
12th Jul 2025462 PMAQI
12th Jul 2025473 PMAQI
12th Jul 2025484 PMAQI
12th Jul 2025485 PMAQI
12th Jul 2025466 PMAQI
12th Jul 2025497 PMAQI
12th Jul 2025578 PMAQI
12th Jul 2025569 PMAQI
12th Jul 20255610 PMAQI
12th Jul 20255611 PMAQI
13th Jul 20255512 AMAQI
13th Jul 2025571 AMAQI
13th Jul 2025572 AMAQI
13th Jul 2025563 AMAQI
26°C21/32°C
13th Jul 2025574 AMAQI
13th Jul 2025575 AMAQI
13th Jul 2025576 AMAQI
13th Jul 2025577 AMAQI
13th Jul 2025408 AMAQI
13th Jul 2025299 AMAQI
13th Jul 20252410 AMAQI
13th Jul 20252311 AMAQI
13th Jul 20253612 PMAQI
13th Jul 2025371 PMAQI
13th Jul 2025422 PMAQI
13th Jul 2025463 PMAQI
13th Jul 2025424 PMAQI
13th Jul 2025345 PMAQI
13th Jul 2025356 PMAQI
13th Jul 2025467 PMAQI
13th Jul 2025568 PMAQI
13th Jul 2025569 PMAQI
13th Jul 20255610 PMAQI
13th Jul 20255611 PMAQI
14th Jul 20255612 AMAQI
14th Jul 2025561 AMAQI
14th Jul 2025562 AMAQI
14th Jul 2025553 AMAQI
26°C19/34°C
14th Jul 2025544 AMAQI
14th Jul 2025555 AMAQI
14th Jul 2025556 AMAQI
14th Jul 2025557 AMAQI
14th Jul 2025458 AMAQI
14th Jul 2025469 AMAQI
14th Jul 20253810 AMAQI
14th Jul 20252211 AMAQI
14th Jul 20253712 PMAQI
14th Jul 2025391 PMAQI
14th Jul 2025402 PMAQI
14th Jul 2025423 PMAQI
14th Jul 2025474 PMAQI
14th Jul 2025455 PMAQI
14th Jul 2025436 PMAQI
14th Jul 2025507 PMAQI
14th Jul 2025548 PMAQI
14th Jul 2025559 PMAQI
14th Jul 20255610 PMAQI
14th Jul 20255611 PMAQI
15th Jul 20255612 AMAQI
15th Jul 2025551 AMAQI
15th Jul 2025552 AMAQI
15th Jul 2025553 AMAQI
26°C19/33°C
15th Jul 2025544 AMAQI
15th Jul 2025555 AMAQI
15th Jul 2025556 AMAQI
15th Jul 2025547 AMAQI
15th Jul 2025478 AMAQI
15th Jul 2025419 AMAQI
15th Jul 20252410 AMAQI
15th Jul 20252211 AMAQI
15th Jul 20254012 PMAQI
15th Jul 2025401 PMAQI
15th Jul 2025412 PMAQI
15th Jul 2025423 PMAQI
15th Jul 2025374 PMAQI
15th Jul 2025385 PMAQI
15th Jul 2025396 PMAQI
15th Jul 2025447 PMAQI
15th Jul 2025548 PMAQI
15th Jul 2025549 PMAQI
15th Jul 20255410 PMAQI
15th Jul 20255411 PMAQI
16th Jul 20255412 AMAQI
16th Jul 2025551 AMAQI
16th Jul 2025552 AMAQI
16th Jul 2025553 AMAQI
26°C19/33°C
16th Jul 2025554 AMAQI
16th Jul 2025545 AMAQI
16th Jul 2025556 AMAQI
16th Jul 2025547 AMAQI
16th Jul 2025468 AMAQI
16th Jul 2025429 AMAQI
16th Jul 20253610 AMAQI
16th Jul 20253911 AMAQI
16th Jul 20255012 PMAQI
16th Jul 2025411 PMAQI
16th Jul 2025462 PMAQI
16th Jul 2025473 PMAQI
16th Jul 2025354 PMAQI
16th Jul 2025345 PMAQI
16th Jul 2025426 PMAQI
16th Jul 2025377 PMAQI
16th Jul 2025538 PMAQI
16th Jul 2025539 PMAQI
16th Jul 20255310 PMAQI
16th Jul 20255411 PMAQI
17th Jul 20255412 AMAQI
17th Jul 2025541 AMAQI
17th Jul 2025542 AMAQI
17th Jul 2025543 AMAQI
24°C19/29°C
17th Jul 2025544 AMAQI
17th Jul 2025545 AMAQI
17th Jul 2025546 AMAQI
17th Jul 2025547 AMAQI
17th Jul 2025538 AMAQI
17th Jul 2025439 AMAQI
17th Jul 20253010 AMAQI
17th Jul 20252411 AMAQI
17th Jul 20254312 PMAQI
17th Jul 2025411 PMAQI
17th Jul 2025382 PMAQI
17th Jul 2025443 PMAQI
17th Jul 2025334 PMAQI
17th Jul 2025365 PMAQI
17th Jul 2025346 PMAQI
17th Jul 2025397 PMAQI
17th Jul 2025538 PMAQI
17th Jul 2025549 PMAQI
17th Jul 20255410 PMAQI
17th Jul 20255411 PMAQI
18th Jul 20255412 AMAQI
18th Jul 2025541 AMAQI
18th Jul 2025542 AMAQI
18th Jul 2025543 AMAQI
25°C19/31°C
18th Jul 2025544 AMAQI
18th Jul 2025535 AMAQI
18th Jul 2025536 AMAQI
18th Jul 2025537 AMAQI
18th Jul 2025558 AMAQI
18th Jul 2025529 AMAQI
18th Jul 20254210 AMAQI
18th Jul 20253711 AMAQI
18th Jul 20254412 PMAQI
18th Jul 2025471 PMAQI
18th Jul 2025462 PMAQI
18th Jul 2025443 PMAQI
18th Jul 2025464 PMAQI
18th Jul 2025425 PMAQI
18th Jul 2025526 PMAQI
18th Jul 2025467 PMAQI
18th Jul 2025528 PMAQI
18th Jul 2025539 PMAQI
18th Jul 20255410 PMAQI
18th Jul 20255411 PMAQI
19th Jul 20255312 AMAQI
19th Jul 2025541 AMAQI
19th Jul 2025532 AMAQI
19th Jul 2025543 AMAQI
28°C20/36°C
19th Jul 2025524 AMAQI
19th Jul 2025535 AMAQI
19th Jul 2025536 AMAQI
19th Jul 2025527 AMAQI
19th Jul 2025388 AMAQI
19th Jul 2025429 AMAQI
19th Jul 20253910 AMAQI
19th Jul 20253811 AMAQI
19th Jul 20254312 PMAQI
19th Jul 2025411 PMAQI
19th Jul 2025432 PMAQI
19th Jul 2025443 PMAQI
19th Jul 2025424 PMAQI
19th Jul 2025445 PMAQI
19th Jul 2025466 PMAQI
19th Jul 2025517 PMAQI
19th Jul 2025538 PMAQI
19th Jul 2025539 PMAQI
19th Jul 20255410 PMAQI
19th Jul 20255311 PMAQI
20th Jul 20255312 AMAQI
20th Jul 2025541 AMAQI
20th Jul 2025542 AMAQI
20th Jul 2025543 AMAQI
26°C21/31°C
20th Jul 2025534 AMAQI
20th Jul 2025545 AMAQI
20th Jul 2025536 AMAQI
20th Jul 2025537 AMAQI
20th Jul 2025388 AMAQI
20th Jul 2025209 AMAQI
20th Jul 20252210 AMAQI
20th Jul 20252211 AMAQI
20th Jul 20253412 PMAQI
20th Jul 2025291 PMAQI
20th Jul 2025342 PMAQI
20th Jul 2025333 PMAQI
20th Jul 2025324 PMAQI
20th Jul 2025315 PMAQI
20th Jul 2025336 PMAQI
20th Jul 2025327 PMAQI
20th Jul 2025528 PMAQI
20th Jul 2025519 PMAQI
20th Jul 20255210 PMAQI
20th Jul 20255311 PMAQI
21st Jul 20255412 AMAQI
21st Jul 2025541 AMAQI
21st Jul 2025542 AMAQI
21st Jul 2025543 AMAQI
25°C20/33°C
21st Jul 2025524 AMAQI
21st Jul 2025525 AMAQI
21st Jul 2025526 AMAQI
21st Jul 2025527 AMAQI
21st Jul 2025288 AMAQI
21st Jul 2025229 AMAQI
21st Jul 20253010 AMAQI
21st Jul 20253611 AMAQI
21st Jul 20253612 PMAQI
21st Jul 2025421 PMAQI
21st Jul 2025382 PMAQI
21st Jul 2025383 PMAQI
21st Jul 2025384 PMAQI
21st Jul 2025345 PMAQI
21st Jul 2025436 PMAQI
21st Jul 2025527 PMAQI
21st Jul 2025528 PMAQI
21st Jul 2025509 PMAQI
21st Jul 20255210 PMAQI
21st Jul 20255211 PMAQI
22nd Jul 20255312 AMAQI
22nd Jul 2025531 AMAQI
22nd Jul 2025532 AMAQI
22nd Jul 2025533 AMAQI
28°C20/36°C
22nd Jul 2025524 AMAQI
22nd Jul 2025525 AMAQI
22nd Jul 2025536 AMAQI
22nd Jul 2025527 AMAQI
22nd Jul 2025408 AMAQI
22nd Jul 2025329 AMAQI
22nd Jul 20252310 AMAQI
22nd Jul 20252611 AMAQI
22nd Jul 20253612 PMAQI
22nd Jul 2025361 PMAQI
22nd Jul 2025422 PMAQI
22nd Jul 2025393 PMAQI
22nd Jul 2025324 PMAQI
22nd Jul 2025405 PMAQI
22nd Jul 2025436 PMAQI
22nd Jul 2025507 PMAQI
22nd Jul 2025538 PMAQI
22nd Jul 2025539 PMAQI
22nd Jul 20255610 PMAQI
22nd Jul 20255311 PMAQI
23rd Jul 20255412 AMAQI
23rd Jul 2025521 AMAQI
23rd Jul 2025522 AMAQI
23rd Jul 2025523 AMAQI
31°C22/40°C
23rd Jul 2025524 AMAQI
23rd Jul 2025525 AMAQI
23rd Jul 2025526 AMAQI
23rd Jul 2025527 AMAQI
23rd Jul 2025548 AMAQI
23rd Jul 2025579 AMAQI
23rd Jul 20256010 AMAQI
23rd Jul 20256011 AMAQI
23rd Jul 20255612 PMAQI
23rd Jul 2025541 PMAQI
23rd Jul 2025502 PMAQI
23rd Jul 2025543 PMAQI
23rd Jul 2025554 PMAQI
23rd Jul 2025545 PMAQI
23rd Jul 2025556 PMAQI
23rd Jul 2025587 PMAQI
23rd Jul 2025558 PMAQI
23rd Jul 2025579 PMAQI
23rd Jul 20255610 PMAQI
23rd Jul 20255511 PMAQI
24th Jul 20255612 AMAQI
24th Jul 2025561 AMAQI
24th Jul 2025532 AMAQI
24th Jul 2025523 AMAQI
32°C26/39°C
24th Jul 2025534 AMAQI
24th Jul 2025545 AMAQI
24th Jul 2025546 AMAQI
24th Jul 2025547 AMAQI
24th Jul 2025518 AMAQI
24th Jul 2025519 AMAQI
24th Jul 20254410 AMAQI
24th Jul 20255611 AMAQI
24th Jul 20255912 PMAQI
24th Jul 2025591 PMAQI
24th Jul 2025612 PMAQI
24th Jul 2025573 PMAQI
24th Jul 2025524 PMAQI
24th Jul 2025525 PMAQI
24th Jul 2025546 PMAQI
24th Jul 2025557 PMAQI
24th Jul 2025558 PMAQI
24th Jul 2025589 PMAQI
24th Jul 20255410 PMAQI
24th Jul 20255511 PMAQI
25th Jul 20255412 AMAQI
25th Jul 2025541 AMAQI
25th Jul 2025552 AMAQI
25th Jul 2025553 AMAQI
30°C25/36°C
25th Jul 2025554 AMAQI
25th Jul 2025555 AMAQI
25th Jul 2025556 AMAQI
25th Jul 2025557 AMAQI
25th Jul 2025508 AMAQI
25th Jul 2025419 AMAQI
25th Jul 20252910 AMAQI
25th Jul 20253211 AMAQI
25th Jul 20254112 PMAQI
25th Jul 2025401 PMAQI
25th Jul 2025402 PMAQI
25th Jul 2025403 PMAQI
25th Jul 2025444 PMAQI
25th Jul 2025435 PMAQI
25th Jul 2025506 PMAQI
25th Jul 2025557 PMAQI
25th Jul 2025568 PMAQI
25th Jul 2025559 PMAQI
25th Jul 20255510 PMAQI
25th Jul 20255511 PMAQI
26th Jul 20255512 AMAQI
26th Jul 2025541 AMAQI
26th Jul 2025542 AMAQI
26th Jul 2025543 AMAQI
30°C23/38°C
26th Jul 2025544 AMAQI
26th Jul 2025535 AMAQI
26th Jul 2025546 AMAQI
26th Jul 2025547 AMAQI
26th Jul 2025588 AMAQI
26th Jul 2025619 AMAQI
26th Jul 20256610 AMAQI
26th Jul 20256411 AMAQI
26th Jul 20255912 PMAQI
26th Jul 2025551 PMAQI
26th Jul 2025502 PMAQI
26th Jul 2025463 PMAQI
26th Jul 2025524 PMAQI
26th Jul 2025525 PMAQI
26th Jul 2025406 PMAQI
26th Jul 2025427 PMAQI
26th Jul 2025548 PMAQI
26th Jul 2025549 PMAQI
26th Jul 20255410 PMAQI
26th Jul 20255311 PMAQI
27th Jul 20255312 AMAQI
27th Jul 2025531 AMAQI
27th Jul 2025542 AMAQI
27th Jul 2025543 AMAQI
28°C24/35°C
27th Jul 2025554 AMAQI
27th Jul 2025555 AMAQI
27th Jul 2025556 AMAQI
27th Jul 2025557 AMAQI
27th Jul 2025408 AMAQI
27th Jul 2025229 AMAQI
27th Jul 20252710 AMAQI
27th Jul 20253311 AMAQI
27th Jul 20254212 PMAQI
27th Jul 2025381 PMAQI
27th Jul 2025362 PMAQI
27th Jul 2025313 PMAQI
27th Jul 2025364 PMAQI
27th Jul 2025395 PMAQI
27th Jul 2025386 PMAQI
27th Jul 2025387 PMAQI
27th Jul 2025528 PMAQI
27th Jul 2025549 PMAQI
27th Jul 20255410 PMAQI
27th Jul 20255311 PMAQI
28th Jul 20255512 AMAQI
28th Jul 2025531 AMAQI
28th Jul 2025542 AMAQI
28th Jul 2025543 AMAQI
28°C21/35°C
28th Jul 2025524 AMAQI
28th Jul 2025525 AMAQI
28th Jul 2025526 AMAQI
28th Jul 2025537 AMAQI
28th Jul 2025548 AMAQI
28th Jul 2025569 AMAQI
28th Jul 20254610 AMAQI
28th Jul 20253811 AMAQI
28th Jul 20254212 PMAQI
28th Jul 2025341 PMAQI
28th Jul 2025362 PMAQI
28th Jul 2025493 PMAQI
28th Jul 2025504 PMAQI
28th Jul 2025385 PMAQI
28th Jul 2025346 PMAQI
28th Jul 2025477 PMAQI
28th Jul 2025518 PMAQI
28th Jul 2025529 PMAQI
28th Jul 20255310 PMAQI
28th Jul 20255211 PMAQI
29th Jul 20255412 AMAQI
29th Jul 2025531 AMAQI
29th Jul 2025542 AMAQI
29th Jul 2025543 AMAQI
26°C19/35°C
29th Jul 2025534 AMAQI
29th Jul 2025535 AMAQI
29th Jul 2025536 AMAQI
29th Jul 2025537 AMAQI
29th Jul 2025288 AMAQI
29th Jul 2025329 AMAQI
29th Jul 20254010 AMAQI
29th Jul 20253811 AMAQI
29th Jul 20254812 PMAQI
29th Jul 2025441 PMAQI
29th Jul 2025422 PMAQI
29th Jul 2025373 PMAQI
29th Jul 2025344 PMAQI
29th Jul 2025335 PMAQI
29th Jul 2025306 PMAQI
29th Jul 2025387 PMAQI
29th Jul 2025528 PMAQI
29th Jul 2025529 PMAQI
29th Jul 20255310 PMAQI
29th Jul 20255211 PMAQI
30th Jul 20255212 AMAQI
30th Jul 2025531 AMAQI
30th Jul 2025532 AMAQI
30th Jul 2025533 AMAQI
20°C16/23°C
30th Jul 2025524 AMAQI
30th Jul 2025525 AMAQI
30th Jul 2025526 AMAQI
30th Jul 2025527 AMAQI
30th Jul 2025268 AMAQI
30th Jul 2025199 AMAQI
30th Jul 20251610 AMAQI
30th Jul 20251711 AMAQI
30th Jul 20252812 PMAQI
30th Jul 2025301 PMAQI
30th Jul 2025342 PMAQI
30th Jul 2025283 PMAQI
30th Jul 2025304 PMAQI
30th Jul 2025325 PMAQI
30th Jul 2025326 PMAQI
30th Jul 2025397 PMAQI
30th Jul 2025528 PMAQI
30th Jul 2025529 PMAQI
30th Jul 20255210 PMAQI
30th Jul 20255111 PMAQI
31st Jul 20255112 AMAQI
31st Jul 2025521 AMAQI
31st Jul 2025522 AMAQI
31st Jul 2025523 AMAQI
21°C15/28°C
31st Jul 2025524 AMAQI
31st Jul 2025525 AMAQI
31st Jul 2025526 AMAQI
31st Jul 2025527 AMAQI
31st Jul 2025528 AMAQI
31st Jul 2025529 AMAQI
31st Jul 20252810 AMAQI
31st Jul 20251911 AMAQI
31st Jul 20252812 PMAQI
31st Jul 2025291 PMAQI
31st Jul 2025292 PMAQI
31st Jul 2025303 PMAQI
31st Jul 2025324 PMAQI
31st Jul 2025285 PMAQI
31st Jul 2025316 PMAQI
31st Jul 2025347 PMAQI
31st Jul 2025518 PMAQI
31st Jul 2025549 PMAQI
31st Jul 20255310 PMAQI
31st Jul 20255311 PMAQI
1st Aug 20254912 AMAQI
1st Aug 2025511 AMAQI
1st Aug 2025502 AMAQI
1st Aug 2025493 AMAQI
24°C17/30°C
1st Aug 2025464 AMAQI
1st Aug 2025465 AMAQI
1st Aug 2025476 AMAQI
1st Aug 2025477 AMAQI
1st Aug 2025488 AMAQI
1st Aug 2025489 AMAQI
1st Aug 20253310 AMAQI
1st Aug 20253911 AMAQI
1st Aug 20253812 PMAQI
1st Aug 2025431 PMAQI
1st Aug 2025482 PMAQI
1st Aug 2025323 PMAQI
1st Aug 2025424 PMAQI
1st Aug 2025345 PMAQI
1st Aug 2025326 PMAQI
1st Aug 2025467 PMAQI
1st Aug 2025548 PMAQI
1st Aug 2025509 PMAQI
1st Aug 20254710 PMAQI
1st Aug 20255411 PMAQI
2nd Aug 20255712 AMAQI
2nd Aug 2025501 AMAQI
2nd Aug 2025492 AMAQI
2nd Aug 2025493 AMAQI
26°C20/31°C
2nd Aug 2025494 AMAQI
2nd Aug 2025485 AMAQI
2nd Aug 2025486 AMAQI
2nd Aug 2025487 AMAQI
2nd Aug 2025468 AMAQI
2nd Aug 2025459 AMAQI
2nd Aug 20254410 AMAQI
2nd Aug 20254011 AMAQI
2nd Aug 20254712 PMAQI
2nd Aug 2025461 PMAQI
2nd Aug 2025542 PMAQI
2nd Aug 2025523 PMAQI
2nd Aug 2025444 PMAQI
2nd Aug 2025395 PMAQI
2nd Aug 2025506 PMAQI
2nd Aug 2025427 PMAQI
2nd Aug 2025528 PMAQI
2nd Aug 2025509 PMAQI
2nd Aug 20255210 PMAQI
2nd Aug 20254611 PMAQI
3rd Aug 20254712 AMAQI
3rd Aug 2025521 AMAQI
3rd Aug 2025522 AMAQI
3rd Aug 2025523 AMAQI
21°C19/23°C
3rd Aug 2025524 AMAQI
3rd Aug 2025525 AMAQI
3rd Aug 2025526 AMAQI
3rd Aug 2025517 AMAQI
3rd Aug 2025408 AMAQI
3rd Aug 2025309 AMAQI
3rd Aug 20253110 AMAQI
3rd Aug 20253211 AMAQI
3rd Aug 20252712 PMAQI
3rd Aug 2025241 PMAQI
3rd Aug 2025252 PMAQI
3rd Aug 2025243 PMAQI
3rd Aug 2025254 PMAQI
3rd Aug 2025235 PMAQI
3rd Aug 2025226 PMAQI
3rd Aug 2025307 PMAQI
3rd Aug 2025408 PMAQI
3rd Aug 2025449 PMAQI
3rd Aug 20254910 PMAQI
3rd Aug 20255011 PMAQI
4th Aug 20255212 AMAQI
4th Aug 2025521 AMAQI
4th Aug 2025502 AMAQI
4th Aug 2025493 AMAQI
22°C18/27°C
4th Aug 2025494 AMAQI
4th Aug 2025505 AMAQI
4th Aug 2025486 AMAQI
4th Aug 2025487 AMAQI
4th Aug 2025308 AMAQI
4th Aug 2025289 AMAQI
4th Aug 20252310 AMAQI
4th Aug 20253411 AMAQI
4th Aug 20253112 PMAQI
4th Aug 2025311 PMAQI
4th Aug 2025262 PMAQI
4th Aug 2025283 PMAQI
4th Aug 2025304 PMAQI
4th Aug 2025335 PMAQI
4th Aug 2025326 PMAQI
4th Aug 2025427 PMAQI
4th Aug 2025538 PMAQI
4th Aug 2025549 PMAQI
4th Aug 20255610 PMAQI
4th Aug 20255611 PMAQI
5th Aug 20255412 AMAQI
5th Aug 2025471 AMAQI
5th Aug 2025442 AMAQI
5th Aug 2025453 AMAQI
24°C18/30°C
5th Aug 2025434 AMAQI
4 AM5th Aug 2025425 AMAQI
5th Aug 2025436 AMAQI
5th Aug 2025427 AMAQI
5th Aug 2025458 AMAQI
5th Aug 2025429 AMAQI
5th Aug 20253210 AMAQI
5th Aug 20252811 AMAQI
11 AM5th Aug 20252912 PMAQI
5th Aug 2025301 PMAQI
5th Aug 2025272 PMAQI
5th Aug 2025373 PMAQI
5th Aug 2025304 PMAQI
5th Aug 2025335 PMAQI
5th Aug 2025396 PMAQI
5th Aug 2025467 PMAQI
7 PM5th Aug 2025488 PMAQI
11 PM
3 AM
--°C/°C
Day time
Avg. Highest Time
4 AM - 7 AM
53AQI
4 hours / Day
120 hours / Month
Avg. Lowest Time
10 AM - 11 AM
36AQI
2 hours / Day
60 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 4 AM to 7 AM (Avg. 53), while the lowest AQI was between 10 AM to 11 AM (Avg. 36).
Night time
Avg. Highest Time
12 AM - 11 PM
54AQI
8 hours / Day
240 hours / Month
Avg. Lowest Time
12 AM - 11 PM
54AQI
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. 54), while the lowest AQI was between 12 AM to 11 PM (Avg. 54).
2025 Days Vs Air Quality
City Environmental Monitoring Station, Qiqihar, Heilongjiang, China
2025
22%
47
57%
123
15%
32
4%
9
2%
5
Total number of days with different AQI categories in last 217 days in 2025 (148 days remaining)
Good
47 DaysModerate
123 DaysPoor
32 DaysUnhealthy
9 DaysSevere
5 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 22%
Health Risk Level:
Very high
In 2025, 22% of 217 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.
1st January 2025
144AQI
144AQI
2nd January 2025
116AQI
116AQI
3rd January 2025
122AQI
122AQI
4th January 2025
159AQI
159AQI
5th January 2025
154AQI
154AQI
6th January 2025
131AQI
131AQI
7th January 2025
89AQI
89AQI
8th January 2025
99AQI
99AQI
9th January 2025
67AQI
67AQI
10th January 2025
86AQI
86AQI
11th January 2025
117AQI
117AQI
12th January 2025
173AQI
173AQI
13th January 2025
218AQI
218AQI
14th January 2025
120AQI
120AQI
15th January 2025
103AQI
103AQI
16th January 2025
97AQI
97AQI
17th January 2025
152AQI
152AQI
18th January 2025
176AQI
176AQI
19th January 2025
186AQI
186AQI
20th January 2025
180AQI
180AQI
21st January 2025
145AQI
145AQI
22nd January 2025
149AQI
149AQI
23rd January 2025
219AQI
219AQI
24th January 2025
250AQI
250AQI
25th January 2025
233AQI
233AQI
26th January 2025
220AQI
220AQI
27th January 2025
117AQI
117AQI
28th January 2025
126AQI
126AQI
29th January 2025
111AQI
111AQI
30th January 2025
95AQI
95AQI
31st January 2025
87AQI
87AQI
1st February 2025
133AQI
133AQI
2nd February 2025
141AQI
141AQI
3rd February 2025
95AQI
95AQI
4th February 2025
90AQI
90AQI
5th February 2025
91AQI
91AQI
6th February 2025
83AQI
83AQI
7th February 2025
52AQI
52AQI
8th February 2025
56AQI
56AQI
9th February 2025
63AQI
63AQI
10th February 2025
81AQI
81AQI
11th February 2025
131AQI
131AQI
12th February 2025
98AQI
98AQI
13th February 2025
94AQI
94AQI
14th February 2025
81AQI
81AQI
15th February 2025
90AQI
90AQI
16th February 2025
70AQI
70AQI
17th February 2025
61AQI
61AQI
18th February 2025
57AQI
57AQI
19th February 2025
62AQI
62AQI
20th February 2025
62AQI
62AQI
21st February 2025
66AQI
66AQI
22nd February 2025
60AQI
60AQI
23rd February 2025
62AQI
62AQI
24th February 2025
68AQI
68AQI
25th February 2025
60AQI
60AQI
26th February 2025
60AQI
60AQI
27th February 2025
62AQI
62AQI
28th February 2025
50AQI
50AQI
1st March 2025
54AQI
54AQI
2nd March 2025
56AQI
56AQI
3rd March 2025
63AQI
63AQI
4th March 2025
88AQI
88AQI
5th March 2025
128AQI
128AQI
6th March 2025
92AQI
92AQI
7th March 2025
124AQI
124AQI
8th March 2025
94AQI
94AQI
9th March 2025
144AQI
144AQI
10th March 2025
103AQI
103AQI
11th March 2025
105AQI
105AQI
12th March 2025
76AQI
76AQI
13th March 2025
65AQI
65AQI
14th March 2025
53AQI
53AQI
15th March 2025
57AQI
57AQI
16th March 2025
56AQI
56AQI
17th March 2025
65AQI
65AQI
18th March 2025
60AQI
60AQI
19th March 2025
79AQI
79AQI
20th March 2025
57AQI
57AQI
21st March 2025
57AQI
57AQI
22nd March 2025
61AQI
61AQI
23rd March 2025
155AQI
155AQI
24th March 2025
60AQI
60AQI
25th March 2025
97AQI
97AQI
26th March 2025
89AQI
89AQI
27th March 2025
58AQI
58AQI
28th March 2025
62AQI
62AQI
29th March 2025
45AQI
45AQI
30th March 2025
60AQI
60AQI
31st March 2025
73AQI
73AQI
1st April 2025
94AQI
94AQI
2nd April 2025
93AQI
93AQI
3rd April 2025
92AQI
92AQI
4th April 2025
134AQI
134AQI
5th April 2025
107AQI
107AQI
6th April 2025
114AQI
114AQI
7th April 2025
109AQI
109AQI
8th April 2025
93AQI
93AQI
9th April 2025
116AQI
116AQI
10th April 2025
152AQI
152AQI
11th April 2025
115AQI
115AQI
12th April 2025
79AQI
79AQI
13th April 2025
70AQI
70AQI
14th April 2025
62AQI
62AQI
15th April 2025
61AQI
61AQI
16th April 2025
55AQI
55AQI
17th April 2025
76AQI
76AQI
18th April 2025
50AQI
50AQI
19th April 2025
62AQI
62AQI
20th April 2025
75AQI
75AQI
21st April 2025
111AQI
111AQI
22nd April 2025
50AQI
50AQI
23rd April 2025
78AQI
78AQI
24th April 2025
46AQI
46AQI
25th April 2025
49AQI
49AQI
26th April 2025
56AQI
56AQI
27th April 2025
102AQI
102AQI
28th April 2025
56AQI
56AQI
29th April 2025
109AQI
109AQI
30th April 2025
49AQI
49AQI
1st May 2025
62AQI
62AQI
2nd May 2025
44AQI
44AQI
3rd May 2025
47AQI
47AQI
4th May 2025
37AQI
37AQI
5th May 2025
43AQI
43AQI
6th May 2025
47AQI
47AQI
7th May 2025
58AQI
58AQI
8th May 2025
69AQI
69AQI
9th May 2025
75AQI
75AQI
10th May 2025
60AQI
60AQI
11th May 2025
100AQI
100AQI
12th May 2025
114AQI
114AQI
13th May 2025
101AQI
101AQI
14th May 2025
86AQI
86AQI
15th May 2025
95AQI
95AQI
16th May 2025
118AQI
118AQI
17th May 2025
63AQI
63AQI
18th May 2025
74AQI
74AQI
19th May 2025
67AQI
67AQI
20th May 2025
74AQI
74AQI
21st May 2025
51AQI
51AQI
22nd May 2025
55AQI
55AQI
23rd May 2025
49AQI
49AQI
24th May 2025
53AQI
53AQI
25th May 2025
65AQI
65AQI
26th May 2025
73AQI
73AQI
27th May 2025
72AQI
72AQI
28th May 2025
87AQI
87AQI
29th May 2025
82AQI
82AQI
30th May 2025
94AQI
94AQI
31st May 2025
70AQI
70AQI
1st June 2025
58AQI
58AQI
2nd June 2025
58AQI
58AQI
3rd June 2025
45AQI
45AQI
4th June 2025
50AQI
50AQI
5th June 2025
41AQI
41AQI
6th June 2025
36AQI
36AQI
7th June 2025
36AQI
36AQI
8th June 2025
48AQI
48AQI
9th June 2025
37AQI
37AQI
10th June 2025
37AQI
37AQI
11th June 2025
39AQI
39AQI
12th June 2025
53AQI
53AQI
13th June 2025
55AQI
55AQI
14th June 2025
56AQI
56AQI
15th June 2025
61AQI
61AQI
16th June 2025
55AQI
55AQI
17th June 2025
52AQI
52AQI
18th June 2025
59AQI
59AQI
19th June 2025
56AQI
56AQI
20th June 2025
53AQI
53AQI
21st June 2025
47AQI
47AQI
22nd June 2025
43AQI
43AQI
23rd June 2025
49AQI
49AQI
24th June 2025
55AQI
55AQI
25th June 2025
58AQI
58AQI
26th June 2025
57AQI
57AQI
27th June 2025
64AQI
64AQI
28th June 2025
61AQI
61AQI
29th June 2025
63AQI
63AQI
30th June 2025
61AQI
61AQI
1st July 2025
57AQI
57AQI
2nd July 2025
53AQI
53AQI
3rd July 2025
50AQI
50AQI
4th July 2025
57AQI
57AQI
5th July 2025
51AQI
51AQI
6th July 2025
50AQI
50AQI
7th July 2025
51AQI
51AQI
8th July 2025
50AQI
50AQI
9th July 2025
53AQI
53AQI
10th July 2025
57AQI
57AQI
11th July 2025
58AQI
58AQI
12th July 2025
54AQI
54AQI
13th July 2025
49AQI
49AQI
14th July 2025
50AQI
50AQI
15th July 2025
49AQI
49AQI
16th July 2025
49AQI
49AQI
17th July 2025
48AQI
48AQI
18th July 2025
51AQI
51AQI
19th July 2025
50AQI
50AQI
20th July 2025
45AQI
45AQI
21st July 2025
47AQI
47AQI
22nd July 2025
47AQI
47AQI
23rd July 2025
54AQI
54AQI
24th July 2025
55AQI
55AQI
25th July 2025
50AQI
50AQI
26th July 2025
54AQI
54AQI
27th July 2025
47AQI
47AQI
28th July 2025
50AQI
50AQI
29th July 2025
47AQI
47AQI
30th July 2025
44AQI
44AQI
31st July 2025
45AQI
45AQI
1st August 2025
46AQI
46AQI
2nd August 2025
50AQI
50AQI
3rd August 2025
40AQI
40AQI
4th August 2025
46AQI
46AQI
143AQI
78AQI
79AQI
84AQI
70AQI
51AQI
51AQI
46AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202579AQI
7
12
7
5
1
24
3
1
24
5
1
5
15
9
1
6
22
3
12
18
18
13
4
47
123
32
9
5
Highest AQI recorded in
January143AQI
Lowest AQI recorded in
August46AQI
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
November109AQI
Lowest AQI recorded in
September45AQI
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
January118AQI
Lowest AQI recorded in
August39AQI
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
March149AQI
Lowest AQI recorded in
August45AQI
202174AQI
9
19
2
1
13
13
2
5
18
5
3
4
16
7
1
31
66
16
5
Highest AQI recorded in
March85AQI
Lowest AQI recorded in
February56AQI
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
April141AQI
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.)
61AQICity Environmental Monitoring Station's annual 2025 AQI (79) shows an average percentage change of 13.2% (worsened AQI) compared to previous years: 2020 (61), 2021 (74), 2022 (69), 2023 (74), 2024 (74).
