City Center Square, 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 Center Square, Qiqihar, Heilongjiang, China
2021
2022
2023
2024
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
7th Aug 2021
154AQILowest AQI recorded on
2nd Aug 2021
17AQISame Day Analysis (3rd August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 2nd highest AQI at 43 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 Center Square, Qiqihar, Heilongjiang, China
AQI
Day
Night
.
4 AM4th Aug 2025
7 PM
3 AM5th Aug 2025
Day time
Avg. Highest Time
12AMNaNth undefined
AQI
Avg. Lowest Time
12AMNaNth undefined
AQI
Night time
Avg. Highest Time
10PM4th Aug
56AQI
Avg. Lowest Time
10AM4th Aug
23AQI
In the last 24 hours,
City Center Square'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 Night between 4th Aug and 5th Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
City Center Square, 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 2025368 AMAQI
6th Jul 2025349 AMAQI
6th Jul 20253710 AMAQI
6th Jul 20254211 AMAQI
6th Jul 20254012 PMAQI
6th Jul 2025401 PMAQI
6th Jul 2025402 PMAQI
6th Jul 2025433 PMAQI
6th Jul 2025384 PMAQI
6th Jul 2025375 PMAQI
6th Jul 2025376 PMAQI
6th Jul 2025497 PMAQI
6th Jul 2025568 PMAQI
6th Jul 2025559 PMAQI
6th Jul 20255610 PMAQI
6th Jul 20255611 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 2025328 AMAQI
7th Jul 2025269 AMAQI
7th Jul 20252810 AMAQI
7th Jul 20252811 AMAQI
7th Jul 20254212 PMAQI
7th Jul 2025401 PMAQI
7th Jul 2025392 PMAQI
7th Jul 2025403 PMAQI
7th Jul 2025434 PMAQI
7th Jul 2025385 PMAQI
7th Jul 2025416 PMAQI
7th Jul 2025527 PMAQI
7th Jul 2025558 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 2025556 AMAQI
8th Jul 2025567 AMAQI
8th Jul 2025428 AMAQI
8th Jul 2025289 AMAQI
8th Jul 20252810 AMAQI
8th Jul 20252811 AMAQI
8th Jul 20254212 PMAQI
8th Jul 2025381 PMAQI
8th Jul 2025382 PMAQI
8th Jul 2025383 PMAQI
8th Jul 2025384 PMAQI
8th Jul 2025395 PMAQI
8th Jul 2025446 PMAQI
8th Jul 2025477 PMAQI
8th Jul 2025548 PMAQI
8th Jul 2025559 PMAQI
8th Jul 20255510 PMAQI
8th Jul 20255511 PMAQI
9th Jul 20255412 AMAQI
9th Jul 2025551 AMAQI
9th Jul 2025562 AMAQI
9th Jul 2025553 AMAQI
25°C21/31°C
9th Jul 2025554 AMAQI
9th Jul 2025555 AMAQI
9th Jul 2025566 AMAQI
9th Jul 2025557 AMAQI
9th Jul 2025358 AMAQI
9th Jul 2025449 AMAQI
9th Jul 20254010 AMAQI
9th Jul 20254811 AMAQI
9th Jul 20255112 PMAQI
9th Jul 2025481 PMAQI
9th Jul 2025522 PMAQI
9th Jul 2025523 PMAQI
9th Jul 2025524 PMAQI
9th Jul 2025545 PMAQI
9th Jul 2025546 PMAQI
9th Jul 2025537 PMAQI
9th Jul 2025548 PMAQI
9th Jul 2025549 PMAQI
9th Jul 20255410 PMAQI
9th Jul 20255411 PMAQI
10th Jul 20255312 AMAQI
10th Jul 2025541 AMAQI
10th Jul 2025542 AMAQI
10th Jul 2025543 AMAQI
27°C18/35°C
10th Jul 2025544 AMAQI
10th Jul 2025545 AMAQI
10th Jul 2025536 AMAQI
10th Jul 2025547 AMAQI
10th Jul 2025508 AMAQI
10th Jul 2025589 AMAQI
10th Jul 20255510 AMAQI
10th Jul 20256211 AMAQI
10th Jul 20257212 PMAQI
10th Jul 2025721 PMAQI
10th Jul 2025632 PMAQI
10th Jul 2025613 PMAQI
10th Jul 2025574 PMAQI
10th Jul 2025575 PMAQI
10th Jul 2025606 PMAQI
10th Jul 2025587 PMAQI
10th Jul 2025578 PMAQI
10th Jul 2025579 PMAQI
10th Jul 20255510 PMAQI
10th Jul 20255511 PMAQI
11th Jul 20255512 AMAQI
11th Jul 2025551 AMAQI
11th Jul 2025542 AMAQI
11th Jul 2025543 AMAQI
30°C23/37°C
11th Jul 2025554 AMAQI
11th Jul 2025565 AMAQI
11th Jul 2025556 AMAQI
11th Jul 2025557 AMAQI
11th Jul 2025608 AMAQI
11th Jul 2025649 AMAQI
11th Jul 20256110 AMAQI
11th Jul 20256811 AMAQI
11th Jul 20256212 PMAQI
11th Jul 2025611 PMAQI
11th Jul 2025572 PMAQI
11th Jul 2025583 PMAQI
11th Jul 2025604 PMAQI
11th Jul 2025585 PMAQI
11th Jul 2025586 PMAQI
11th Jul 2025607 PMAQI
11th Jul 2025618 PMAQI
11th Jul 2025609 PMAQI
11th Jul 20255710 PMAQI
11th Jul 20255811 PMAQI
12th Jul 20255612 AMAQI
12th Jul 2025561 AMAQI
12th Jul 2025562 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 2025448 AMAQI
12th Jul 2025369 AMAQI
12th Jul 20253910 AMAQI
12th Jul 20253211 AMAQI
12th Jul 20254312 PMAQI
12th Jul 2025481 PMAQI
12th Jul 2025502 PMAQI
12th Jul 2025513 PMAQI
12th Jul 2025504 PMAQI
12th Jul 2025495 PMAQI
12th Jul 2025506 PMAQI
12th Jul 2025507 PMAQI
12th Jul 2025578 PMAQI
12th Jul 2025569 PMAQI
12th Jul 20255610 PMAQI
12th Jul 20255411 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 2025566 AMAQI
13th Jul 2025577 AMAQI
13th Jul 2025388 AMAQI
13th Jul 2025399 AMAQI
13th Jul 20252210 AMAQI
13th Jul 20252511 AMAQI
13th Jul 20253712 PMAQI
13th Jul 2025341 PMAQI
13th Jul 2025382 PMAQI
13th Jul 2025423 PMAQI
13th Jul 2025384 PMAQI
13th Jul 2025325 PMAQI
13th Jul 2025346 PMAQI
13th Jul 2025447 PMAQI
13th Jul 2025568 PMAQI
13th Jul 2025569 PMAQI
13th Jul 20255610 PMAQI
13th Jul 20255911 PMAQI
14th Jul 20255512 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 2025328 AMAQI
14th Jul 2025369 AMAQI
14th Jul 20253510 AMAQI
14th Jul 20252611 AMAQI
14th Jul 20253912 PMAQI
14th Jul 2025401 PMAQI
14th Jul 2025412 PMAQI
14th Jul 2025403 PMAQI
14th Jul 2025434 PMAQI
14th Jul 2025425 PMAQI
14th Jul 2025406 PMAQI
14th Jul 2025457 PMAQI
14th Jul 2025548 PMAQI
14th Jul 2025559 PMAQI
14th Jul 20255610 PMAQI
14th Jul 20255811 PMAQI
15th Jul 20255612 AMAQI
15th Jul 2025551 AMAQI
15th Jul 2025552 AMAQI
15th Jul 2025553 AMAQI
26°C19/33°C
15th Jul 2025554 AMAQI
15th Jul 2025555 AMAQI
15th Jul 2025546 AMAQI
15th Jul 2025547 AMAQI
15th Jul 2025488 AMAQI
15th Jul 2025489 AMAQI
15th Jul 20253210 AMAQI
15th Jul 20252511 AMAQI
15th Jul 20253912 PMAQI
15th Jul 2025441 PMAQI
15th Jul 2025382 PMAQI
15th Jul 2025403 PMAQI
15th Jul 2025374 PMAQI
15th Jul 2025375 PMAQI
15th Jul 2025376 PMAQI
15th Jul 2025467 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 2025546 AMAQI
16th Jul 2025547 AMAQI
16th Jul 2025428 AMAQI
16th Jul 2025449 AMAQI
16th Jul 20253110 AMAQI
16th Jul 20252811 AMAQI
16th Jul 20254012 PMAQI
16th Jul 2025361 PMAQI
16th Jul 2025432 PMAQI
16th Jul 2025483 PMAQI
16th Jul 2025374 PMAQI
16th Jul 2025365 PMAQI
16th Jul 2025436 PMAQI
16th Jul 2025407 PMAQI
16th Jul 2025538 PMAQI
16th Jul 2025529 PMAQI
16th Jul 20255410 PMAQI
16th Jul 20255411 PMAQI
17th Jul 20255412 AMAQI
17th Jul 2025551 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 2025348 AMAQI
17th Jul 2025349 AMAQI
17th Jul 20252210 AMAQI
17th Jul 20252511 AMAQI
17th Jul 20254112 PMAQI
17th Jul 2025401 PMAQI
17th Jul 2025462 PMAQI
17th Jul 2025413 PMAQI
17th Jul 2025364 PMAQI
17th Jul 2025375 PMAQI
17th Jul 2025356 PMAQI
17th Jul 2025447 PMAQI
17th Jul 2025548 PMAQI
17th Jul 2025549 PMAQI
17th Jul 20255410 PMAQI
17th Jul 20255411 PMAQI
18th Jul 20255312 AMAQI
18th Jul 2025541 AMAQI
18th Jul 2025542 AMAQI
18th Jul 2025543 AMAQI
25°C19/31°C
18th Jul 2025544 AMAQI
18th Jul 2025545 AMAQI
18th Jul 2025546 AMAQI
18th Jul 2025547 AMAQI
18th Jul 2025438 AMAQI
18th Jul 2025299 AMAQI
18th Jul 20253310 AMAQI
18th Jul 20253111 AMAQI
18th Jul 20253812 PMAQI
18th Jul 2025361 PMAQI
18th Jul 2025382 PMAQI
18th Jul 2025403 PMAQI
18th Jul 2025364 PMAQI
18th Jul 2025435 PMAQI
18th Jul 2025556 PMAQI
18th Jul 2025507 PMAQI
18th Jul 2025528 PMAQI
18th Jul 2025539 PMAQI
18th Jul 20255410 PMAQI
18th Jul 20255411 PMAQI
19th Jul 20255412 AMAQI
19th Jul 2025541 AMAQI
19th Jul 2025542 AMAQI
19th Jul 2025543 AMAQI
28°C20/36°C
19th Jul 2025524 AMAQI
19th Jul 2025525 AMAQI
19th Jul 2025536 AMAQI
19th Jul 2025527 AMAQI
19th Jul 2025448 AMAQI
19th Jul 2025339 AMAQI
19th Jul 20253010 AMAQI
19th Jul 20253111 AMAQI
19th Jul 20252812 PMAQI
19th Jul 2025341 PMAQI
19th Jul 2025402 PMAQI
19th Jul 2025323 PMAQI
19th Jul 2025324 PMAQI
19th Jul 2025305 PMAQI
19th Jul 2025336 PMAQI
19th Jul 2025427 PMAQI
19th Jul 2025528 PMAQI
19th Jul 2025549 PMAQI
19th Jul 20255410 PMAQI
19th Jul 20255111 PMAQI
20th Jul 20255012 AMAQI
20th Jul 2025501 AMAQI
20th Jul 2025532 AMAQI
20th Jul 2025533 AMAQI
26°C21/31°C
20th Jul 2025524 AMAQI
20th Jul 2025525 AMAQI
20th Jul 2025526 AMAQI
20th Jul 2025527 AMAQI
20th Jul 2025378 AMAQI
20th Jul 2025219 AMAQI
20th Jul 20252310 AMAQI
20th Jul 20252111 AMAQI
20th Jul 20252312 PMAQI
20th Jul 2025211 PMAQI
20th Jul 2025202 PMAQI
20th Jul 2025183 PMAQI
20th Jul 2025234 PMAQI
20th Jul 2025255 PMAQI
20th Jul 2025226 PMAQI
20th Jul 2025257 PMAQI
20th Jul 2025428 PMAQI
20th Jul 2025429 PMAQI
20th Jul 20254210 PMAQI
20th Jul 20254511 PMAQI
21st Jul 20254912 AMAQI
21st Jul 2025531 AMAQI
21st Jul 2025532 AMAQI
21st Jul 2025533 AMAQI
25°C20/33°C
21st Jul 2025504 AMAQI
21st Jul 2025485 AMAQI
21st Jul 2025486 AMAQI
21st Jul 2025487 AMAQI
21st Jul 2025288 AMAQI
21st Jul 2025219 AMAQI
21st Jul 20252510 AMAQI
21st Jul 20252511 AMAQI
21st Jul 20253012 PMAQI
21st Jul 2025571 PMAQI
21st Jul 2025262 PMAQI
21st Jul 2025263 PMAQI
21st Jul 2025244 PMAQI
21st Jul 2025215 PMAQI
21st Jul 2025266 PMAQI
21st Jul 2025427 PMAQI
21st Jul 2025418 PMAQI
21st Jul 2025409 PMAQI
21st Jul 20254210 PMAQI
21st Jul 20254311 PMAQI
22nd Jul 20254312 AMAQI
22nd Jul 2025521 AMAQI
22nd Jul 2025522 AMAQI
22nd Jul 2025513 AMAQI
28°C20/36°C
22nd Jul 2025494 AMAQI
22nd Jul 2025495 AMAQI
22nd Jul 2025486 AMAQI
22nd Jul 2025477 AMAQI
22nd Jul 2025318 AMAQI
22nd Jul 2025329 AMAQI
22nd Jul 20252610 AMAQI
22nd Jul 20252611 AMAQI
22nd Jul 20252512 PMAQI
22nd Jul 2025321 PMAQI
22nd Jul 2025332 PMAQI
22nd Jul 2025323 PMAQI
22nd Jul 2025214 PMAQI
22nd Jul 2025245 PMAQI
22nd Jul 2025276 PMAQI
22nd Jul 2025357 PMAQI
22nd Jul 2025478 PMAQI
22nd Jul 2025509 PMAQI
22nd Jul 20255110 PMAQI
22nd Jul 20254511 PMAQI
23rd Jul 20254212 AMAQI
23rd Jul 2025521 AMAQI
23rd Jul 2025522 AMAQI
23rd Jul 2025493 AMAQI
31°C22/40°C
23rd Jul 2025484 AMAQI
23rd Jul 2025475 AMAQI
23rd Jul 2025466 AMAQI
23rd Jul 2025467 AMAQI
23rd Jul 2025478 AMAQI
23rd Jul 2025549 AMAQI
23rd Jul 20255610 AMAQI
23rd Jul 20255411 AMAQI
23rd Jul 20255312 PMAQI
23rd Jul 2025521 PMAQI
23rd Jul 2025452 PMAQI
23rd Jul 2025503 PMAQI
23rd Jul 2025474 PMAQI
23rd Jul 2025425 PMAQI
23rd Jul 2025506 PMAQI
23rd Jul 2025547 PMAQI
23rd Jul 2025568 PMAQI
23rd Jul 2025589 PMAQI
23rd Jul 20255810 PMAQI
23rd Jul 20255411 PMAQI
24th Jul 20255712 AMAQI
24th Jul 2025551 AMAQI
24th Jul 2025502 AMAQI
24th Jul 2025503 AMAQI
32°C26/39°C
24th Jul 2025524 AMAQI
24th Jul 2025525 AMAQI
24th Jul 2025526 AMAQI
24th Jul 2025517 AMAQI
24th Jul 2025368 AMAQI
24th Jul 2025479 AMAQI
24th Jul 20254510 AMAQI
24th Jul 20255311 AMAQI
24th Jul 20255312 PMAQI
24th Jul 2025541 PMAQI
24th Jul 2025542 PMAQI
24th Jul 2025473 PMAQI
24th Jul 2025334 PMAQI
24th Jul 2025325 PMAQI
24th Jul 2025346 PMAQI
24th Jul 2025517 PMAQI
24th Jul 2025548 PMAQI
24th Jul 2025509 PMAQI
24th Jul 20254610 PMAQI
24th Jul 20255011 PMAQI
25th Jul 20254612 AMAQI
25th Jul 2025541 AMAQI
25th Jul 2025542 AMAQI
25th Jul 2025543 AMAQI
30°C25/36°C
25th Jul 2025544 AMAQI
25th Jul 2025535 AMAQI
25th Jul 2025546 AMAQI
25th Jul 2025547 AMAQI
25th Jul 2025458 AMAQI
25th Jul 2025359 AMAQI
25th Jul 20252210 AMAQI
25th Jul 20252311 AMAQI
25th Jul 20252412 PMAQI
25th Jul 2025221 PMAQI
25th Jul 2025222 PMAQI
25th Jul 2025223 PMAQI
25th Jul 2025434 PMAQI
25th Jul 2025265 PMAQI
25th Jul 2025436 PMAQI
25th Jul 2025537 PMAQI
25th Jul 2025558 PMAQI
25th Jul 2025529 PMAQI
25th Jul 20255510 PMAQI
25th Jul 20255411 PMAQI
26th Jul 20255112 AMAQI
26th Jul 2025541 AMAQI
26th Jul 2025542 AMAQI
26th Jul 2025533 AMAQI
30°C23/38°C
26th Jul 2025514 AMAQI
26th Jul 2025515 AMAQI
26th Jul 2025516 AMAQI
26th Jul 2025507 AMAQI
26th Jul 2025538 AMAQI
26th Jul 2025589 AMAQI
26th Jul 20255910 AMAQI
26th Jul 20256311 AMAQI
26th Jul 20255712 PMAQI
26th Jul 2025551 PMAQI
26th Jul 2025462 PMAQI
26th Jul 2025323 PMAQI
26th Jul 2025374 PMAQI
26th Jul 2025325 PMAQI
26th Jul 2025286 PMAQI
26th Jul 2025307 PMAQI
26th Jul 2025438 PMAQI
26th Jul 2025469 PMAQI
26th Jul 20254610 PMAQI
26th Jul 20254411 PMAQI
27th Jul 20254212 AMAQI
27th Jul 2025531 AMAQI
27th Jul 2025522 AMAQI
27th Jul 2025543 AMAQI
28°C24/35°C
27th Jul 2025544 AMAQI
27th Jul 2025545 AMAQI
27th Jul 2025546 AMAQI
27th Jul 2025547 AMAQI
27th Jul 2025388 AMAQI
27th Jul 2025229 AMAQI
27th Jul 20252410 AMAQI
27th Jul 20252511 AMAQI
27th Jul 20252412 PMAQI
27th Jul 2025251 PMAQI
27th Jul 2025282 PMAQI
27th Jul 2025223 PMAQI
27th Jul 2025254 PMAQI
27th Jul 2025235 PMAQI
27th Jul 2025266 PMAQI
27th Jul 2025317 PMAQI
27th Jul 2025448 PMAQI
27th Jul 2025459 PMAQI
27th Jul 20254610 PMAQI
27th Jul 20254611 PMAQI
28th Jul 20255712 AMAQI
28th Jul 2025531 AMAQI
28th Jul 2025532 AMAQI
28th Jul 2025523 AMAQI
28°C21/35°C
28th Jul 2025504 AMAQI
28th Jul 2025515 AMAQI
28th Jul 2025506 AMAQI
28th Jul 2025507 AMAQI
28th Jul 2025448 AMAQI
28th Jul 2025569 AMAQI
28th Jul 20252710 AMAQI
28th Jul 20252111 AMAQI
28th Jul 20252212 PMAQI
28th Jul 2025201 PMAQI
28th Jul 2025222 PMAQI
28th Jul 2025333 PMAQI
28th Jul 2025334 PMAQI
28th Jul 2025245 PMAQI
28th Jul 2025236 PMAQI
28th Jul 2025407 PMAQI
28th Jul 2025418 PMAQI
28th Jul 2025429 PMAQI
28th Jul 20254210 PMAQI
28th Jul 20254211 PMAQI
29th Jul 20254412 AMAQI
29th Jul 2025531 AMAQI
29th Jul 2025532 AMAQI
29th Jul 2025533 AMAQI
26°C19/35°C
29th Jul 2025514 AMAQI
29th Jul 2025505 AMAQI
29th Jul 2025506 AMAQI
29th Jul 2025507 AMAQI
29th Jul 2025288 AMAQI
29th Jul 2025269 AMAQI
29th Jul 20252210 AMAQI
29th Jul 20252411 AMAQI
29th Jul 20252812 PMAQI
29th Jul 2025231 PMAQI
29th Jul 2025212 PMAQI
29th Jul 2025223 PMAQI
29th Jul 2025234 PMAQI
29th Jul 2025205 PMAQI
29th Jul 2025196 PMAQI
29th Jul 2025297 PMAQI
29th Jul 2025398 PMAQI
29th Jul 2025399 PMAQI
29th Jul 20254010 PMAQI
29th Jul 20254111 PMAQI
30th Jul 20254412 AMAQI
30th Jul 2025521 AMAQI
30th Jul 2025522 AMAQI
30th Jul 2025503 AMAQI
20°C16/23°C
30th Jul 2025464 AMAQI
30th Jul 2025465 AMAQI
30th Jul 2025476 AMAQI
30th Jul 2025477 AMAQI
30th Jul 2025268 AMAQI
30th Jul 2025199 AMAQI
30th Jul 20251810 AMAQI
30th Jul 20253011 AMAQI
30th Jul 20252012 PMAQI
30th Jul 2025211 PMAQI
30th Jul 2025242 PMAQI
30th Jul 2025183 PMAQI
30th Jul 2025214 PMAQI
30th Jul 2025225 PMAQI
30th Jul 2025226 PMAQI
30th Jul 2025267 PMAQI
30th Jul 2025388 PMAQI
30th Jul 2025389 PMAQI
30th Jul 20253810 PMAQI
30th Jul 20253811 PMAQI
31st Jul 20253812 AMAQI
31st Jul 2025511 AMAQI
31st Jul 2025512 AMAQI
31st Jul 2025513 AMAQI
21°C15/28°C
31st Jul 2025514 AMAQI
31st Jul 2025515 AMAQI
31st Jul 2025516 AMAQI
31st Jul 2025517 AMAQI
31st Jul 2025518 AMAQI
31st Jul 2025519 AMAQI
31st Jul 20253010 AMAQI
31st Jul 20252211 AMAQI
31st Jul 20252112 PMAQI
31st Jul 2025241 PMAQI
31st Jul 2025252 PMAQI
31st Jul 2025223 PMAQI
31st Jul 2025224 PMAQI
31st Jul 2025205 PMAQI
31st Jul 2025206 PMAQI
31st Jul 2025307 PMAQI
31st Jul 2025488 PMAQI
31st Jul 2025549 PMAQI
31st Jul 20255310 PMAQI
31st Jul 20255311 PMAQI
1st Aug 20255212 AMAQI
1st Aug 2025511 AMAQI
1st Aug 2025502 AMAQI
1st Aug 2025493 AMAQI
24°C17/30°C
1st Aug 2025454 AMAQI
1st Aug 2025465 AMAQI
1st Aug 2025476 AMAQI
1st Aug 2025487 AMAQI
1st Aug 2025518 AMAQI
1st Aug 2025509 AMAQI
1st Aug 20254210 AMAQI
1st Aug 20254411 AMAQI
1st Aug 20254212 PMAQI
1st Aug 2025421 PMAQI
1st Aug 2025482 PMAQI
1st Aug 2025333 PMAQI
1st Aug 2025424 PMAQI
1st Aug 2025325 PMAQI
1st Aug 2025296 PMAQI
1st Aug 2025427 PMAQI
1st Aug 2025548 PMAQI
1st Aug 2025499 PMAQI
1st Aug 20254710 PMAQI
1st Aug 20255411 PMAQI
2nd Aug 20255612 AMAQI
2nd Aug 2025511 AMAQI
2nd Aug 2025492 AMAQI
2nd Aug 2025493 AMAQI
26°C20/31°C
2nd Aug 2025494 AMAQI
2nd Aug 2025495 AMAQI
2nd Aug 2025486 AMAQI
2nd Aug 2025507 AMAQI
2nd Aug 2025478 AMAQI
2nd Aug 2025449 AMAQI
2nd Aug 20254410 AMAQI
2nd Aug 20254011 AMAQI
2nd Aug 20254612 PMAQI
2nd Aug 2025451 PMAQI
2nd Aug 2025562 PMAQI
2nd Aug 2025523 PMAQI
2nd Aug 2025464 PMAQI
2nd Aug 2025345 PMAQI
2nd Aug 2025496 PMAQI
2nd Aug 2025417 PMAQI
2nd Aug 2025518 PMAQI
2nd Aug 2025519 PMAQI
2nd Aug 20255110 PMAQI
2nd Aug 20254611 PMAQI
3rd Aug 20254612 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 2025398 AMAQI
3rd Aug 2025309 AMAQI
3rd Aug 20253010 AMAQI
3rd Aug 20253111 AMAQI
3rd Aug 20252812 PMAQI
3rd Aug 2025241 PMAQI
3rd Aug 2025262 PMAQI
3rd Aug 2025253 PMAQI
3rd Aug 2025244 PMAQI
3rd Aug 2025245 PMAQI
3rd Aug 2025226 PMAQI
3rd Aug 2025317 PMAQI
3rd Aug 2025388 PMAQI
3rd Aug 2025429 PMAQI
3rd Aug 20254910 PMAQI
3rd Aug 20255011 PMAQI
4th Aug 20255212 AMAQI
4th Aug 2025521 AMAQI
4th Aug 2025512 AMAQI
4th Aug 2025503 AMAQI
22°C18/27°C
4th Aug 2025494 AMAQI
4th Aug 2025505 AMAQI
4th Aug 2025496 AMAQI
4th Aug 2025487 AMAQI
4th Aug 2025278 AMAQI
4th Aug 2025249 AMAQI
4th Aug 20252310 AMAQI
4th Aug 20253211 AMAQI
4th Aug 20253312 PMAQI
4th Aug 2025281 PMAQI
4th Aug 2025272 PMAQI
4th Aug 2025313 PMAQI
4th Aug 2025294 PMAQI
4th Aug 2025345 PMAQI
4th Aug 2025326 PMAQI
4th Aug 2025427 PMAQI
4th Aug 2025528 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
--°C/°C
5th Aug 2025454 AMAQI
4 AM11 AM
7 PM
11 PM
3 AM
--°C/°C
Day time
Avg. Highest Time
4 AM - 7 AM
52AQI
4 hours / Day
120 hours / Month
Avg. Lowest Time
10 AM - 11 AM
34AQI
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. 52), while the lowest AQI was between 10 AM to 11 AM (Avg. 34).
Night time
Avg. Highest Time
1 AM - 3 AM
53AQI
3 hours / Day
90 hours / Month
Avg. Lowest Time
8 PM - 11 PM
51AQI
4 hours / Day
120 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 1 AM to 3 AM (Avg. 53), while the lowest AQI was between 8 PM to 11 PM (Avg. 51).
2025 Days Vs Air Quality
City Center Square, Qiqihar, Heilongjiang, China
2025
23%
50
55%
118
16%
34
4%
8
2%
5
Total number of days with different AQI categories in last 216 days in 2025 (149 days remaining)
Good
50 DaysModerate
118 DaysPoor
34 DaysUnhealthy
8 DaysSevere
5 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 23%
Health Risk Level:
Very high
In 2025, 23% of 216 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 Center Square, 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
136AQI
136AQI
2nd January 2025
103AQI
103AQI
3rd January 2025
110AQI
110AQI
4th January 2025
155AQI
155AQI
5th January 2025
150AQI
150AQI
6th January 2025
125AQI
125AQI
7th January 2025
86AQI
86AQI
8th January 2025
92AQI
92AQI
9th January 2025
67AQI
67AQI
10th January 2025
82AQI
82AQI
11th January 2025
108AQI
108AQI
12th January 2025
174AQI
174AQI
13th January 2025
215AQI
215AQI
14th January 2025
109AQI
109AQI
15th January 2025
104AQI
104AQI
16th January 2025
96AQI
96AQI
17th January 2025
156AQI
156AQI
18th January 2025
178AQI
178AQI
19th January 2025
186AQI
186AQI
20th January 2025
181AQI
181AQI
21st January 2025
139AQI
139AQI
22nd January 2025
143AQI
143AQI
23rd January 2025
216AQI
216AQI
24th January 2025
248AQI
248AQI
25th January 2025
237AQI
237AQI
26th January 2025
221AQI
221AQI
27th January 2025
118AQI
118AQI
28th January 2025
121AQI
121AQI
29th January 2025
106AQI
106AQI
30th January 2025
103AQI
103AQI
31st January 2025
85AQI
85AQI
1st February 2025
133AQI
133AQI
2nd February 2025
138AQI
138AQI
3rd February 2025
94AQI
94AQI
4th February 2025
87AQI
87AQI
5th February 2025
87AQI
87AQI
6th February 2025
82AQI
82AQI
7th February 2025
52AQI
52AQI
8th February 2025
58AQI
58AQI
9th February 2025
58AQI
58AQI
10th February 2025
75AQI
75AQI
11th February 2025
132AQI
132AQI
12th February 2025
100AQI
100AQI
13th February 2025
93AQI
93AQI
14th February 2025
83AQI
83AQI
15th February 2025
90AQI
90AQI
16th February 2025
70AQI
70AQI
17th February 2025
60AQI
60AQI
18th February 2025
56AQI
56AQI
19th February 2025
58AQI
58AQI
20th February 2025
62AQI
62AQI
21st February 2025
66AQI
66AQI
22nd February 2025
57AQI
57AQI
23rd February 2025
58AQI
58AQI
24th February 2025
69AQI
69AQI
25th February 2025
59AQI
59AQI
26th February 2025
57AQI
57AQI
27th February 2025
66AQI
66AQI
28th February 2025
49AQI
49AQI
1st March 2025
55AQI
55AQI
2nd March 2025
56AQI
56AQI
3rd March 2025
64AQI
64AQI
4th March 2025
93AQI
93AQI
5th March 2025
130AQI
130AQI
6th March 2025
90AQI
90AQI
7th March 2025
127AQI
127AQI
8th March 2025
94AQI
94AQI
9th March 2025
147AQI
147AQI
10th March 2025
103AQI
103AQI
11th March 2025
104AQI
104AQI
12th March 2025
79AQI
79AQI
13th March 2025
66AQI
66AQI
14th March 2025
57AQI
57AQI
15th March 2025
57AQI
57AQI
16th March 2025
59AQI
59AQI
17th March 2025
67AQI
67AQI
18th March 2025
60AQI
60AQI
19th March 2025
80AQI
80AQI
20th March 2025
54AQI
54AQI
21st March 2025
56AQI
56AQI
22nd March 2025
64AQI
64AQI
23rd March 2025
152AQI
152AQI
24th March 2025
58AQI
58AQI
25th March 2025
97AQI
97AQI
26th March 2025
87AQI
87AQI
27th March 2025
58AQI
58AQI
28th March 2025
59AQI
59AQI
29th March 2025
43AQI
43AQI
30th March 2025
58AQI
58AQI
31st March 2025
74AQI
74AQI
1st April 2025
95AQI
95AQI
2nd April 2025
92AQI
92AQI
3rd April 2025
92AQI
92AQI
4th April 2025
136AQI
136AQI
5th April 2025
112AQI
112AQI
6th April 2025
114AQI
114AQI
7th April 2025
113AQI
113AQI
8th April 2025
93AQI
93AQI
9th April 2025
119AQI
119AQI
10th April 2025
153AQI
153AQI
11th April 2025
117AQI
117AQI
12th April 2025
78AQI
78AQI
13th April 2025
73AQI
73AQI
14th April 2025
68AQI
68AQI
15th April 2025
56AQI
56AQI
16th April 2025
56AQI
56AQI
17th April 2025
75AQI
75AQI
18th April 2025
45AQI
45AQI
19th April 2025
57AQI
57AQI
20th April 2025
72AQI
72AQI
21st April 2025
109AQI
109AQI
22nd April 2025
49AQI
49AQI
23rd April 2025
75AQI
75AQI
24th April 2025
42AQI
42AQI
25th April 2025
47AQI
47AQI
26th April 2025
53AQI
53AQI
27th April 2025
102AQI
102AQI
28th April 2025
52AQI
52AQI
29th April 2025
124AQI
124AQI
30th April 2025
49AQI
49AQI
1st May 2025
64AQI
64AQI
2nd May 2025
46AQI
46AQI
3rd May 2025
46AQI
46AQI
4th May 2025
38AQI
38AQI
5th May 2025
42AQI
42AQI
6th May 2025
47AQI
47AQI
7th May 2025
60AQI
60AQI
8th May 2025
72AQI
72AQI
9th May 2025
76AQI
76AQI
10th May 2025
62AQI
62AQI
11th May 2025
102AQI
102AQI
12th May 2025
117AQI
117AQI
13th May 2025
99AQI
99AQI
14th May 2025
87AQI
87AQI
15th May 2025
93AQI
93AQI
16th May 2025
121AQI
121AQI
17th May 2025
62AQI
62AQI
18th May 2025
75AQI
75AQI
19th May 2025
65AQI
65AQI
20th May 2025
70AQI
70AQI
21st May 2025
53AQI
53AQI
22nd May 2025
56AQI
56AQI
23rd May 2025
50AQI
50AQI
24th May 2025
53AQI
53AQI
25th May 2025
64AQI
64AQI
26th May 2025
71AQI
71AQI
27th May 2025
72AQI
72AQI
28th May 2025
94AQI
94AQI
29th May 2025
87AQI
87AQI
30th May 2025
99AQI
99AQI
31st May 2025
72AQI
72AQI
1st June 2025
59AQI
59AQI
2nd June 2025
59AQI
59AQI
3rd June 2025
44AQI
44AQI
4th June 2025
48AQI
48AQI
5th June 2025
39AQI
39AQI
6th June 2025
36AQI
36AQI
7th June 2025
33AQI
33AQI
8th June 2025
46AQI
46AQI
9th June 2025
32AQI
32AQI
10th June 2025
37AQI
37AQI
11th June 2025
38AQI
38AQI
12th June 2025
53AQI
53AQI
13th June 2025
57AQI
57AQI
14th June 2025
55AQI
55AQI
15th June 2025
61AQI
61AQI
16th June 2025
57AQI
57AQI
17th June 2025
52AQI
52AQI
18th June 2025
59AQI
59AQI
19th June 2025
57AQI
57AQI
20th June 2025
52AQI
52AQI
21st June 2025
48AQI
48AQI
22nd June 2025
47AQI
47AQI
23rd June 2025
51AQI
51AQI
24th June 2025
55AQI
55AQI
25th June 2025
59AQI
59AQI
26th June 2025
56AQI
56AQI
27th June 2025
64AQI
64AQI
28th June 2025
61AQI
61AQI
29th June 2025
62AQI
62AQI
30th June 2025
60AQI
60AQI
1st July 2025
56AQI
56AQI
2nd July 2025
53AQI
53AQI
3rd July 2025
48AQI
48AQI
4th July 2025
56AQI
56AQI
5th July 2025
50AQI
50AQI
6th July 2025
50AQI
50AQI
7th July 2025
49AQI
49AQI
8th July 2025
49AQI
49AQI
9th July 2025
52AQI
52AQI
10th July 2025
57AQI
57AQI
11th July 2025
58AQI
58AQI
12th July 2025
52AQI
52AQI
13th July 2025
49AQI
49AQI
14th July 2025
49AQI
49AQI
15th July 2025
49AQI
49AQI
16th July 2025
49AQI
49AQI
17th July 2025
48AQI
48AQI
18th July 2025
49AQI
49AQI
19th July 2025
45AQI
45AQI
20th July 2025
37AQI
37AQI
21st July 2025
39AQI
39AQI
22nd July 2025
40AQI
40AQI
23rd July 2025
51AQI
51AQI
24th July 2025
49AQI
49AQI
25th July 2025
44AQI
44AQI
26th July 2025
47AQI
47AQI
27th July 2025
39AQI
39AQI
28th July 2025
40AQI
40AQI
29th July 2025
36AQI
36AQI
30th July 2025
35AQI
35AQI
31st July 2025
40AQI
40AQI
1st August 2025
45AQI
45AQI
2nd August 2025
48AQI
48AQI
3rd August 2025
43AQI
43AQI
140AQI
77AQI
79AQI
84AQI
71AQI
51AQI
47AQI
45AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202578AQI
6
14
6
5
1
24
3
1
24
5
1
5
15
9
1
6
22
3
11
19
23
8
3
50
118
34
8
5
Highest AQI recorded in
January140AQI
Lowest AQI recorded in
August45AQI
202471AQI
6
17
8
5
16
3
5
12
15
4
9
13
6
2
12
19
11
19
12
7
10
2
24
7
29
1
10
17
3
1
2
15
4
6
3
1
27
3
133
173
41
16
3
Highest AQI recorded in
November109AQI
Lowest AQI recorded in
September39AQI
202362AQI
8
12
5
6
9
12
6
1
16
9
5
1
10
13
4
3
21
7
3
20
10
26
3
2
29
2
21
9
12
17
2
13
7
7
2
14
13
2
2
199
114
34
16
1
Highest AQI recorded in
January91AQI
Lowest AQI recorded in
August37AQI
202259AQI
7
10
10
4
4
10
7
1
13
15
3
8
9
20
11
16
14
14
7
1
25
3
18
11
2
12
12
5
1
21
8
2
159
110
29
5
1
Highest AQI recorded in
February94AQI
Lowest AQI recorded in
August26AQI
202164AQI
4
17
8
2
8
15
4
1
6
15
10
6
19
4
1
19
10
2
10
18
2
16
14
1
17
11
1
1
22
8
19
12
10
15
5
14
12
4
1
151
166
41
6
Highest AQI recorded in
March86AQI
Lowest AQI recorded in
September44AQI
202062AQI
4
4
2
2
2
6
8
3
2
9
7
2
25
5
12
18
1
23
8
20
10
17
12
2
18
10
2
10
18
3
140
98
20
2
3
2
Highest AQI recorded in
April154AQI
Lowest AQI recorded in
August39AQI
Most & Least Polluted Years Over the Last 6 Years
Most Polluted Year Recorded
2025(Avg.)
78AQILeast Polluted Year Recorded
2022(Avg.)
59AQICity Center Square's annual 2025 AQI (78) shows an average percentage change of 23.3% (worsened AQI) compared to previous years: 2020 (62), 2021 (64), 2022 (59), 2023 (62), 2024 (71).
