Pcku, Nanjing, Jiangsu, 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
Pcku, Nanjing, Jiangsu, China
2021
2022
2023
2024
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
31st Aug 2024
98AQILowest AQI recorded on
20th Aug 2024
26AQISame Day Analysis (2nd August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 3rd highest AQI at 51 of Moderate air quality, showing improvement over 2023 and 2021 on the same day.
Download 2024 Annual Data
World Air Quality Report
Day & Night AQI Trend: 2nd Aug - 3rd Aug 2025
Pcku, Nanjing, Jiangsu, China
AQI
Day
Night
.
5 AM2nd Aug 2025
7 PM
4 AM3rd Aug 2025
Day time
Avg. Highest Time
5AM2nd Aug
54AQI
Avg. Lowest Time
4PM2nd Aug
32AQI
Night time
Avg. Highest Time
9PM2nd Aug
54AQI
Avg. Lowest Time
1AM3rd Aug
52AQI
In the last 24 hours,
Pcku's AQI reached its highest point of 54 at 5 AM during the Day, while the lowest point, 32, was recorded at 4 PM during the Day between 2nd Aug and 3rd Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Pcku, Nanjing, Jiangsu, China
JulAug
04th - 05th05th - 06th06th - 07th07th - 08th08th - 09th09th - 10th10th - 11th11th - 12th12th - 13th13th - 14th14th - 15th15th - 16th16th - 17th17th - 18th18th - 19th19th - 20th20th - 21st21st - 22nd22nd - 23rd23rd - 24th24th - 25th25th - 26th26th - 27th27th - 28th28th - 29th29th - 30th30th - 31st31st - 01st01st - 02nd02nd - 03rd03rd
Day
Night
4th Jul 2025585 AMAQI
4th Jul 2025586 AMAQI
4th Jul 2025587 AMAQI
4th Jul 2025728 AMAQI
4th Jul 2025789 AMAQI
4th Jul 20257610 AMAQI
4th Jul 20257211 AMAQI
4th Jul 20256412 PMAQI
4th Jul 2025591 PMAQI
4th Jul 2025562 PMAQI
4th Jul 2025583 PMAQI
4th Jul 2025564 PMAQI
4th Jul 2025595 PMAQI
4th Jul 2025706 PMAQI
4th Jul 2025727 PMAQI
4th Jul 2025648 PMAQI
4th Jul 2025629 PMAQI
4th Jul 20256310 PMAQI
4th Jul 20256211 PMAQI
5th Jul 20255912 AMAQI
5th Jul 2025571 AMAQI
5th Jul 2025562 AMAQI
5th Jul 2025583 AMAQI
5th Jul 2025584 AMAQI
33°C28/40°C
5th Jul 2025585 AMAQI
5th Jul 2025596 AMAQI
5th Jul 2025597 AMAQI
5th Jul 2025768 AMAQI
5th Jul 2025809 AMAQI
5th Jul 20258310 AMAQI
5th Jul 20257611 AMAQI
5th Jul 20257212 PMAQI
5th Jul 2025661 PMAQI
5th Jul 2025652 PMAQI
5th Jul 2025633 PMAQI
5th Jul 2025704 PMAQI
5th Jul 2025745 PMAQI
5th Jul 2025776 PMAQI
5th Jul 2025707 PMAQI
5th Jul 2025648 PMAQI
5th Jul 2025649 PMAQI
5th Jul 20256410 PMAQI
5th Jul 20256411 PMAQI
6th Jul 20256212 AMAQI
6th Jul 2025581 AMAQI
6th Jul 2025582 AMAQI
6th Jul 2025593 AMAQI
6th Jul 2025614 AMAQI
34°C29/39°C
6th Jul 2025625 AMAQI
6th Jul 2025616 AMAQI
6th Jul 2025617 AMAQI
6th Jul 2025728 AMAQI
6th Jul 2025899 AMAQI
6th Jul 20258610 AMAQI
6th Jul 20257811 AMAQI
6th Jul 20257612 PMAQI
6th Jul 2025741 PMAQI
6th Jul 2025792 PMAQI
6th Jul 2025753 PMAQI
6th Jul 2025764 PMAQI
6th Jul 2025755 PMAQI
6th Jul 2025806 PMAQI
6th Jul 2025747 PMAQI
6th Jul 2025678 PMAQI
6th Jul 2025689 PMAQI
6th Jul 20256810 PMAQI
6th Jul 20256811 PMAQI
7th Jul 20256712 AMAQI
7th Jul 2025621 AMAQI
7th Jul 2025612 AMAQI
7th Jul 2025623 AMAQI
7th Jul 2025644 AMAQI
34°C30/40°C
7th Jul 2025645 AMAQI
7th Jul 2025656 AMAQI
7th Jul 2025647 AMAQI
7th Jul 2025658 AMAQI
7th Jul 2025659 AMAQI
7th Jul 20256210 AMAQI
7th Jul 20256511 AMAQI
7th Jul 20257212 PMAQI
7th Jul 2025701 PMAQI
7th Jul 2025622 PMAQI
7th Jul 2025583 PMAQI
7th Jul 2025564 PMAQI
7th Jul 2025555 PMAQI
7th Jul 2025586 PMAQI
7th Jul 2025607 PMAQI
7th Jul 2025608 PMAQI
7th Jul 2025589 PMAQI
7th Jul 20255710 PMAQI
7th Jul 20255711 PMAQI
8th Jul 20255512 AMAQI
8th Jul 2025631 AMAQI
8th Jul 2025632 AMAQI
8th Jul 2025643 AMAQI
8th Jul 2025644 AMAQI
32°C27/37°C
8th Jul 2025645 AMAQI
8th Jul 2025646 AMAQI
8th Jul 2025647 AMAQI
8th Jul 2025488 AMAQI
8th Jul 2025479 AMAQI
8th Jul 20253610 AMAQI
8th Jul 20253511 AMAQI
8th Jul 20253712 PMAQI
8th Jul 2025401 PMAQI
8th Jul 2025382 PMAQI
8th Jul 2025393 PMAQI
8th Jul 2025424 PMAQI
8th Jul 2025425 PMAQI
8th Jul 2025386 PMAQI
8th Jul 2025487 PMAQI
8th Jul 2025568 PMAQI
8th Jul 2025529 PMAQI
8th Jul 20255310 PMAQI
8th Jul 20255311 PMAQI
9th Jul 20255312 AMAQI
9th Jul 2025621 AMAQI
9th Jul 2025632 AMAQI
9th Jul 2025623 AMAQI
9th Jul 2025594 AMAQI
28°C26/32°C
9th Jul 2025595 AMAQI
9th Jul 2025596 AMAQI
9th Jul 2025597 AMAQI
9th Jul 2025528 AMAQI
9th Jul 2025389 AMAQI
9th Jul 20254510 AMAQI
9th Jul 20254211 AMAQI
9th Jul 20254412 PMAQI
9th Jul 2025441 PMAQI
9th Jul 2025542 PMAQI
9th Jul 2025433 PMAQI
9th Jul 2025364 PMAQI
9th Jul 2025325 PMAQI
9th Jul 2025326 PMAQI
9th Jul 2025417 PMAQI
9th Jul 2025528 PMAQI
9th Jul 2025549 PMAQI
9th Jul 20255310 PMAQI
9th Jul 20255511 PMAQI
10th Jul 20255512 AMAQI
10th Jul 2025601 AMAQI
10th Jul 2025592 AMAQI
10th Jul 2025593 AMAQI
10th Jul 2025574 AMAQI
29°C26/33°C
10th Jul 2025585 AMAQI
10th Jul 2025576 AMAQI
10th Jul 2025577 AMAQI
10th Jul 2025768 AMAQI
10th Jul 2025839 AMAQI
10th Jul 20258410 AMAQI
10th Jul 20258511 AMAQI
10th Jul 20258812 PMAQI
10th Jul 2025911 PMAQI
10th Jul 2025922 PMAQI
10th Jul 2025923 PMAQI
10th Jul 2025914 PMAQI
10th Jul 2025925 PMAQI
10th Jul 2025916 PMAQI
10th Jul 2025897 PMAQI
10th Jul 2025728 PMAQI
10th Jul 2025749 PMAQI
10th Jul 20256910 PMAQI
10th Jul 20257111 PMAQI
11th Jul 20257012 AMAQI
11th Jul 2025581 AMAQI
11th Jul 2025582 AMAQI
11th Jul 2025603 AMAQI
11th Jul 2025644 AMAQI
29°C25/33°C
11th Jul 2025645 AMAQI
11th Jul 2025636 AMAQI
11th Jul 2025637 AMAQI
11th Jul 2025878 AMAQI
11th Jul 2025909 AMAQI
11th Jul 20258110 AMAQI
11th Jul 20257711 AMAQI
11th Jul 20257012 PMAQI
11th Jul 2025671 PMAQI
11th Jul 2025582 PMAQI
11th Jul 2025683 PMAQI
11th Jul 2025554 PMAQI
11th Jul 2025525 PMAQI
11th Jul 2025596 PMAQI
11th Jul 2025487 PMAQI
11th Jul 2025568 PMAQI
11th Jul 2025579 PMAQI
11th Jul 20255510 PMAQI
11th Jul 20255411 PMAQI
12th Jul 20255512 AMAQI
12th Jul 2025601 AMAQI
12th Jul 2025622 AMAQI
12th Jul 2025643 AMAQI
12th Jul 2025664 AMAQI
28°C25/32°C
12th Jul 2025665 AMAQI
12th Jul 2025656 AMAQI
12th Jul 2025667 AMAQI
12th Jul 2025678 AMAQI
12th Jul 2025659 AMAQI
12th Jul 20256210 AMAQI
12th Jul 20256411 AMAQI
12th Jul 20256712 PMAQI
12th Jul 2025601 PMAQI
12th Jul 2025372 PMAQI
12th Jul 2025403 PMAQI
12th Jul 2025384 PMAQI
12th Jul 2025445 PMAQI
12th Jul 2025586 PMAQI
12th Jul 2025547 PMAQI
12th Jul 2025588 PMAQI
12th Jul 2025579 PMAQI
12th Jul 20255810 PMAQI
12th Jul 20255911 PMAQI
13th Jul 20256012 AMAQI
13th Jul 2025631 AMAQI
13th Jul 2025632 AMAQI
13th Jul 2025623 AMAQI
13th Jul 2025624 AMAQI
27°C24/32°C
13th Jul 2025625 AMAQI
13th Jul 2025626 AMAQI
13th Jul 2025627 AMAQI
13th Jul 2025628 AMAQI
13th Jul 2025709 AMAQI
13th Jul 20256910 AMAQI
13th Jul 20257311 AMAQI
13th Jul 20258412 PMAQI
13th Jul 2025761 PMAQI
13th Jul 2025622 PMAQI
13th Jul 2025543 PMAQI
13th Jul 2025514 PMAQI
13th Jul 2025515 PMAQI
13th Jul 2025566 PMAQI
13th Jul 2025567 PMAQI
13th Jul 2025618 PMAQI
13th Jul 2025609 PMAQI
13th Jul 20256010 PMAQI
13th Jul 20256111 PMAQI
14th Jul 20255912 AMAQI
14th Jul 2025621 AMAQI
14th Jul 2025622 AMAQI
14th Jul 2025623 AMAQI
14th Jul 2025634 AMAQI
29°C24/35°C
14th Jul 2025645 AMAQI
14th Jul 2025636 AMAQI
14th Jul 2025637 AMAQI
14th Jul 2025648 AMAQI
14th Jul 2025669 AMAQI
14th Jul 20255810 AMAQI
14th Jul 20256011 AMAQI
14th Jul 20256012 PMAQI
14th Jul 2025621 PMAQI
14th Jul 2025662 PMAQI
14th Jul 2025563 PMAQI
14th Jul 2025494 PMAQI
14th Jul 2025525 PMAQI
14th Jul 2025526 PMAQI
14th Jul 2025527 PMAQI
14th Jul 2025578 PMAQI
14th Jul 2025569 PMAQI
14th Jul 20255610 PMAQI
14th Jul 20255811 PMAQI
15th Jul 20255812 AMAQI
15th Jul 2025621 AMAQI
15th Jul 2025622 AMAQI
15th Jul 2025623 AMAQI
15th Jul 2025634 AMAQI
30°C27/34°C
15th Jul 2025625 AMAQI
15th Jul 2025636 AMAQI
15th Jul 2025627 AMAQI
15th Jul 2025618 AMAQI
15th Jul 2025689 AMAQI
15th Jul 20257010 AMAQI
15th Jul 20258611 AMAQI
15th Jul 20257812 PMAQI
15th Jul 2025761 PMAQI
15th Jul 2025802 PMAQI
15th Jul 2025753 PMAQI
15th Jul 2025684 PMAQI
15th Jul 2025615 PMAQI
15th Jul 2025566 PMAQI
15th Jul 2025587 PMAQI
15th Jul 2025628 PMAQI
15th Jul 2025639 PMAQI
15th Jul 20256310 PMAQI
15th Jul 20256311 PMAQI
16th Jul 20256112 AMAQI
16th Jul 2025621 AMAQI
16th Jul 2025622 AMAQI
16th Jul 2025633 AMAQI
16th Jul 2025644 AMAQI
30°C25/36°C
16th Jul 2025645 AMAQI
16th Jul 2025646 AMAQI
16th Jul 2025647 AMAQI
16th Jul 2025648 AMAQI
16th Jul 2025779 AMAQI
16th Jul 20257210 AMAQI
16th Jul 20257211 AMAQI
16th Jul 20257012 PMAQI
16th Jul 2025701 PMAQI
16th Jul 2025682 PMAQI
16th Jul 2025683 PMAQI
16th Jul 2025594 PMAQI
16th Jul 2025635 PMAQI
16th Jul 2025626 PMAQI
16th Jul 2025697 PMAQI
16th Jul 2025648 PMAQI
16th Jul 2025669 PMAQI
16th Jul 20256610 PMAQI
16th Jul 20256411 PMAQI
17th Jul 20255612 AMAQI
17th Jul 2025631 AMAQI
17th Jul 2025632 AMAQI
17th Jul 2025643 AMAQI
17th Jul 2025654 AMAQI
31°C25/37°C
17th Jul 2025655 AMAQI
17th Jul 2025656 AMAQI
17th Jul 2025647 AMAQI
17th Jul 2025388 AMAQI
17th Jul 2025309 AMAQI
17th Jul 20252810 AMAQI
17th Jul 20253211 AMAQI
17th Jul 20254012 PMAQI
17th Jul 2025401 PMAQI
17th Jul 2025502 PMAQI
17th Jul 2025543 PMAQI
17th Jul 2025544 PMAQI
17th Jul 2025565 PMAQI
17th Jul 2025666 PMAQI
17th Jul 2025667 PMAQI
17th Jul 2025648 PMAQI
17th Jul 2025649 PMAQI
17th Jul 20256310 PMAQI
17th Jul 20256611 PMAQI
18th Jul 20256612 AMAQI
18th Jul 2025631 AMAQI
18th Jul 2025622 AMAQI
18th Jul 2025623 AMAQI
18th Jul 2025594 AMAQI
29°C26/35°C
18th Jul 2025605 AMAQI
18th Jul 2025606 AMAQI
18th Jul 2025607 AMAQI
18th Jul 2025748 AMAQI
18th Jul 2025799 AMAQI
18th Jul 20256210 AMAQI
18th Jul 20255811 AMAQI
18th Jul 20256112 PMAQI
18th Jul 2025571 PMAQI
18th Jul 2025562 PMAQI
18th Jul 2025543 PMAQI
18th Jul 2025544 PMAQI
18th Jul 2025545 PMAQI
18th Jul 2025506 PMAQI
18th Jul 2025507 PMAQI
18th Jul 2025588 PMAQI
18th Jul 2025609 PMAQI
18th Jul 20255710 PMAQI
18th Jul 20256111 PMAQI
19th Jul 20255812 AMAQI
19th Jul 2025621 AMAQI
19th Jul 2025622 AMAQI
19th Jul 2025623 AMAQI
19th Jul 2025624 AMAQI
28°C24/33°C
19th Jul 2025625 AMAQI
19th Jul 2025636 AMAQI
19th Jul 2025627 AMAQI
19th Jul 2025568 AMAQI
19th Jul 2025559 AMAQI
19th Jul 20256610 AMAQI
19th Jul 20257211 AMAQI
19th Jul 20256712 PMAQI
19th Jul 2025611 PMAQI
19th Jul 2025542 PMAQI
19th Jul 2025543 PMAQI
19th Jul 2025534 PMAQI
19th Jul 2025645 PMAQI
19th Jul 2025696 PMAQI
19th Jul 2025537 PMAQI
19th Jul 2025598 PMAQI
19th Jul 2025589 PMAQI
19th Jul 20255610 PMAQI
19th Jul 20255511 PMAQI
20th Jul 20255412 AMAQI
20th Jul 2025611 AMAQI
20th Jul 2025622 AMAQI
20th Jul 2025623 AMAQI
20th Jul 2025624 AMAQI
29°C24/35°C
20th Jul 2025625 AMAQI
20th Jul 2025626 AMAQI
20th Jul 2025627 AMAQI
20th Jul 2025428 AMAQI
20th Jul 2025249 AMAQI
20th Jul 20252610 AMAQI
20th Jul 20252511 AMAQI
20th Jul 20253212 PMAQI
20th Jul 2025311 PMAQI
20th Jul 2025422 PMAQI
20th Jul 2025333 PMAQI
20th Jul 2025284 PMAQI
20th Jul 2025325 PMAQI
20th Jul 2025376 PMAQI
20th Jul 2025447 PMAQI
20th Jul 2025548 PMAQI
20th Jul 2025549 PMAQI
20th Jul 20255410 PMAQI
20th Jul 20255611 PMAQI
21st Jul 20255512 AMAQI
21st Jul 2025611 AMAQI
21st Jul 2025612 AMAQI
21st Jul 2025593 AMAQI
21st Jul 2025574 AMAQI
30°C27/35°C
21st Jul 2025575 AMAQI
21st Jul 2025576 AMAQI
21st Jul 2025577 AMAQI
21st Jul 2025298 AMAQI
21st Jul 2025229 AMAQI
21st Jul 20253010 AMAQI
21st Jul 20252911 AMAQI
21st Jul 20252312 PMAQI
21st Jul 2025231 PMAQI
21st Jul 2025302 PMAQI
21st Jul 2025233 PMAQI
21st Jul 2025244 PMAQI
21st Jul 2025245 PMAQI
21st Jul 2025266 PMAQI
21st Jul 2025367 PMAQI
21st Jul 2025508 PMAQI
21st Jul 2025529 PMAQI
21st Jul 20255210 PMAQI
21st Jul 20255111 PMAQI
22nd Jul 20255012 AMAQI
22nd Jul 2025581 AMAQI
22nd Jul 2025582 AMAQI
22nd Jul 2025573 AMAQI
22nd Jul 2025544 AMAQI
30°C27/34°C
22nd Jul 2025545 AMAQI
22nd Jul 2025546 AMAQI
22nd Jul 2025547 AMAQI
22nd Jul 2025298 AMAQI
22nd Jul 2025219 AMAQI
22nd Jul 20251910 AMAQI
22nd Jul 20252111 AMAQI
22nd Jul 20252212 PMAQI
22nd Jul 2025221 PMAQI
22nd Jul 2025232 PMAQI
22nd Jul 2025223 PMAQI
22nd Jul 2025224 PMAQI
22nd Jul 2025325 PMAQI
22nd Jul 2025396 PMAQI
22nd Jul 2025507 PMAQI
22nd Jul 2025518 PMAQI
22nd Jul 2025519 PMAQI
22nd Jul 20255210 PMAQI
22nd Jul 20254911 PMAQI
23rd Jul 20255112 AMAQI
23rd Jul 2025561 AMAQI
23rd Jul 2025562 AMAQI
23rd Jul 2025543 AMAQI
23rd Jul 2025524 AMAQI
28°C26/33°C
23rd Jul 2025525 AMAQI
23rd Jul 2025526 AMAQI
23rd Jul 2025527 AMAQI
23rd Jul 2025328 AMAQI
23rd Jul 2025269 AMAQI
23rd Jul 20252810 AMAQI
23rd Jul 20252611 AMAQI
23rd Jul 20252312 PMAQI
23rd Jul 2025251 PMAQI
23rd Jul 2025242 PMAQI
23rd Jul 2025243 PMAQI
23rd Jul 2025254 PMAQI
23rd Jul 2025275 PMAQI
23rd Jul 2025316 PMAQI
23rd Jul 2025417 PMAQI
23rd Jul 2025488 PMAQI
23rd Jul 2025459 PMAQI
23rd Jul 20254610 PMAQI
23rd Jul 20255211 PMAQI
24th Jul 20255012 AMAQI
24th Jul 2025501 AMAQI
24th Jul 2025532 AMAQI
24th Jul 2025533 AMAQI
24th Jul 2025524 AMAQI
29°C26/34°C
24th Jul 2025515 AMAQI
24th Jul 2025526 AMAQI
24th Jul 2025527 AMAQI
24th Jul 2025328 AMAQI
24th Jul 2025269 AMAQI
24th Jul 20252710 AMAQI
24th Jul 20252911 AMAQI
24th Jul 20253912 PMAQI
24th Jul 2025341 PMAQI
24th Jul 2025342 PMAQI
24th Jul 2025243 PMAQI
24th Jul 2025234 PMAQI
24th Jul 2025235 PMAQI
24th Jul 2025336 PMAQI
24th Jul 2025447 PMAQI
24th Jul 2025558 PMAQI
24th Jul 2025549 PMAQI
24th Jul 20255210 PMAQI
24th Jul 20255411 PMAQI
25th Jul 20255412 AMAQI
25th Jul 2025521 AMAQI
25th Jul 2025522 AMAQI
25th Jul 2025513 AMAQI
25th Jul 2025504 AMAQI
30°C25/35°C
25th Jul 2025505 AMAQI
25th Jul 2025496 AMAQI
25th Jul 2025507 AMAQI
25th Jul 2025588 AMAQI
25th Jul 2025599 AMAQI
25th Jul 20255910 AMAQI
25th Jul 20255011 AMAQI
25th Jul 20255812 PMAQI
25th Jul 2025531 PMAQI
25th Jul 2025562 PMAQI
25th Jul 2025583 PMAQI
25th Jul 2025544 PMAQI
25th Jul 2025585 PMAQI
25th Jul 2025526 PMAQI
25th Jul 2025547 PMAQI
25th Jul 2025528 PMAQI
25th Jul 2025539 PMAQI
25th Jul 20255310 PMAQI
25th Jul 20255411 PMAQI
26th Jul 20255212 AMAQI
26th Jul 2025521 AMAQI
26th Jul 2025522 AMAQI
26th Jul 2025523 AMAQI
26th Jul 2025524 AMAQI
29°C25/35°C
26th Jul 2025535 AMAQI
26th Jul 2025536 AMAQI
26th Jul 2025537 AMAQI
26th Jul 2025458 AMAQI
26th Jul 2025309 AMAQI
26th Jul 20252910 AMAQI
26th Jul 20253011 AMAQI
26th Jul 20253012 PMAQI
26th Jul 2025241 PMAQI
26th Jul 2025242 PMAQI
26th Jul 2025223 PMAQI
26th Jul 2025224 PMAQI
26th Jul 2025245 PMAQI
26th Jul 2025286 PMAQI
26th Jul 2025307 PMAQI
26th Jul 2025418 PMAQI
26th Jul 2025469 PMAQI
26th Jul 20254210 PMAQI
26th Jul 20254611 PMAQI
27th Jul 20255012 AMAQI
27th Jul 2025531 AMAQI
27th Jul 2025532 AMAQI
27th Jul 2025523 AMAQI
27th Jul 2025504 AMAQI
29°C26/34°C
27th Jul 2025505 AMAQI
27th Jul 2025506 AMAQI
27th Jul 2025497 AMAQI
27th Jul 2025438 AMAQI
27th Jul 2025489 AMAQI
27th Jul 20254110 AMAQI
27th Jul 20254111 AMAQI
27th Jul 20253812 PMAQI
27th Jul 2025371 PMAQI
27th Jul 2025342 PMAQI
27th Jul 2025383 PMAQI
27th Jul 2025334 PMAQI
27th Jul 2025245 PMAQI
27th Jul 2025426 PMAQI
27th Jul 2025397 PMAQI
27th Jul 2025468 PMAQI
27th Jul 2025439 PMAQI
27th Jul 20254010 PMAQI
27th Jul 20253911 PMAQI
28th Jul 20253912 AMAQI
28th Jul 2025511 AMAQI
28th Jul 2025512 AMAQI
28th Jul 2025523 AMAQI
28th Jul 2025504 AMAQI
29°C26/34°C
28th Jul 2025525 AMAQI
28th Jul 2025516 AMAQI
28th Jul 2025507 AMAQI
28th Jul 2025348 AMAQI
28th Jul 2025379 AMAQI
28th Jul 20253310 AMAQI
28th Jul 20253211 AMAQI
28th Jul 20253212 PMAQI
28th Jul 2025321 PMAQI
28th Jul 2025322 PMAQI
28th Jul 2025373 PMAQI
28th Jul 2025364 PMAQI
28th Jul 2025295 PMAQI
28th Jul 2025326 PMAQI
28th Jul 2025337 PMAQI
28th Jul 2025388 PMAQI
28th Jul 2025419 PMAQI
28th Jul 20253610 PMAQI
28th Jul 20253711 PMAQI
29th Jul 20254012 AMAQI
29th Jul 2025511 AMAQI
29th Jul 2025502 AMAQI
29th Jul 2025503 AMAQI
29th Jul 2025494 AMAQI
29°C25/33°C
29th Jul 2025475 AMAQI
29th Jul 2025486 AMAQI
29th Jul 2025487 AMAQI
29th Jul 2025498 AMAQI
29th Jul 2025529 AMAQI
29th Jul 20255210 AMAQI
29th Jul 20255511 AMAQI
29th Jul 20255012 PMAQI
29th Jul 2025511 PMAQI
29th Jul 2025502 PMAQI
29th Jul 2025473 PMAQI
29th Jul 2025544 PMAQI
29th Jul 2025585 PMAQI
29th Jul 2025566 PMAQI
29th Jul 2025547 PMAQI
29th Jul 2025528 PMAQI
29th Jul 2025539 PMAQI
29th Jul 20255510 PMAQI
29th Jul 20255111 PMAQI
30th Jul 20254512 AMAQI
30th Jul 2025501 AMAQI
30th Jul 2025502 AMAQI
30th Jul 2025503 AMAQI
30th Jul 2025514 AMAQI
29°C25/35°C
30th Jul 2025515 AMAQI
30th Jul 2025506 AMAQI
30th Jul 2025507 AMAQI
30th Jul 2025418 AMAQI
30th Jul 2025469 AMAQI
30th Jul 20254910 AMAQI
30th Jul 20254311 AMAQI
30th Jul 20253212 PMAQI
30th Jul 2025241 PMAQI
30th Jul 2025292 PMAQI
30th Jul 2025263 PMAQI
30th Jul 2025204 PMAQI
30th Jul 2025205 PMAQI
30th Jul 2025226 PMAQI
30th Jul 2025287 PMAQI
30th Jul 2025378 PMAQI
30th Jul 2025369 PMAQI
30th Jul 20253810 PMAQI
30th Jul 20253711 PMAQI
31st Jul 20253912 AMAQI
31st Jul 2025521 AMAQI
31st Jul 2025512 AMAQI
31st Jul 2025513 AMAQI
31st Jul 2025514 AMAQI
26°C24/30°C
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 20252611 AMAQI
31st Jul 20252612 PMAQI
31st Jul 2025281 PMAQI
31st Jul 2025282 PMAQI
31st Jul 2025263 PMAQI
31st Jul 2025234 PMAQI
31st Jul 2025225 PMAQI
31st Jul 2025296 PMAQI
31st Jul 2025387 PMAQI
31st Jul 2025518 PMAQI
31st Jul 2025519 PMAQI
31st Jul 20255410 PMAQI
31st Jul 20255311 PMAQI
1st Aug 20255212 AMAQI
1st Aug 2025551 AMAQI
1st Aug 2025532 AMAQI
1st Aug 2025523 AMAQI
1st Aug 2025534 AMAQI
24°C23/24°C
1st Aug 2025545 AMAQI
1st Aug 2025536 AMAQI
1st Aug 2025537 AMAQI
1st Aug 2025638 AMAQI
1st Aug 2025629 AMAQI
1st Aug 20255910 AMAQI
1st Aug 20256011 AMAQI
1st Aug 20255812 PMAQI
1st Aug 2025561 PMAQI
1st Aug 2025452 PMAQI
1st Aug 2025453 PMAQI
1st Aug 2025414 PMAQI
1st Aug 2025425 PMAQI
1st Aug 2025406 PMAQI
1st Aug 2025437 PMAQI
1st Aug 2025478 PMAQI
1st Aug 2025479 PMAQI
1st Aug 20254610 PMAQI
1st Aug 20255011 PMAQI
2nd Aug 20254812 AMAQI
2nd Aug 2025521 AMAQI
2nd Aug 2025522 AMAQI
2nd Aug 2025543 AMAQI
2nd Aug 2025534 AMAQI
26°C24/29°C
2nd Aug 2025545 AMAQI
2nd Aug 2025546 AMAQI
2nd Aug 2025547 AMAQI
2nd Aug 2025428 AMAQI
2nd Aug 2025399 AMAQI
2nd Aug 20254810 AMAQI
2nd Aug 20255011 AMAQI
2nd Aug 20254212 PMAQI
2nd Aug 2025471 PMAQI
2nd Aug 2025422 PMAQI
2nd Aug 2025463 PMAQI
2nd Aug 2025324 PMAQI
2nd Aug 2025345 PMAQI
2nd Aug 2025486 PMAQI
2nd Aug 2025537 PMAQI
2nd Aug 2025538 PMAQI
2nd Aug 2025549 PMAQI
2nd Aug 20255310 PMAQI
2nd Aug 20255411 PMAQI
3rd Aug 20255312 AMAQI
3rd Aug 2025521 AMAQI
3rd Aug 2025532 AMAQI
3rd Aug 2025533 AMAQI
3rd Aug 2025534 AMAQI
27°C24/31°C
3rd Aug 2025525 AMAQI
5 AM3rd Aug 2025526 AMAQI
3rd Aug 2025537 AMAQI
3rd Aug 2025558 AMAQI
3rd Aug 2025589 AMAQI
3rd Aug 20255310 AMAQI
3rd Aug 20255811 AMAQI
3rd Aug 20255712 PMAQI
12 PM3rd Aug 2025501 PMAQI
3rd Aug 2025442 PMAQI
3rd Aug 2025473 PMAQI
3rd Aug 2025454 PMAQI
3rd Aug 2025485 PMAQI
3rd Aug 2025406 PMAQI
3rd Aug 2025527 PMAQI
7 PM3rd Aug 2025548 PMAQI
3rd Aug 2025539 PMAQI
3rd Aug 20255410 PMAQI
3rd Aug 20255511 PMAQI
12 AM
4 AM
--°C/°C
Day time
Avg. Highest Time
5 AM - 7 AM
57AQI
3 hours / Day
90 hours / Month
Avg. Lowest Time
8 AM - 5 PM
50AQI
10 hours / Day
300 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 5 AM to 7 AM (Avg. 57), while the lowest AQI was between 8 AM to 5 PM (Avg. 50).
Night time
Avg. Highest Time
1 AM - 11 PM
56AQI
8 hours / Day
240 hours / Month
Avg. Lowest Time
12 AM
54AQI
1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 1 AM to 11 PM (Avg. 56), while the lowest AQI was between 12 AM to 12 AM (Avg. 54).
2025 Days Vs Air Quality
Pcku, Nanjing, Jiangsu, China
2025
10%
22
62%
133
25%
54
2%
4
0.4%
1
Total number of days with different AQI categories in last 215 days in 2025 (150 days remaining)
Good
22 DaysModerate
133 DaysPoor
54 DaysUnhealthy
4 DaysSevere
0 DaysHazardous
1 DaysUnder WHO’s Safe Air Quality Limits: 10%
Health Risk Level:
Extreme
In 2025, 10% of 215 days were within WHO’s safe air quality limits. The risk of health issues is Extreme, potentially causing respiratory problems, heart disease, skin issues, and stress, especially for children, the elderly, and those with pre-existing conditions.
Annual Air Quality Insights
Pcku, Nanjing, Jiangsu, 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
130AQI
130AQI
2nd January 2025
149AQI
149AQI
3rd January 2025
142AQI
142AQI
4th January 2025
152AQI
152AQI
5th January 2025
122AQI
122AQI
6th January 2025
122AQI
122AQI
7th January 2025
92AQI
92AQI
8th January 2025
117AQI
117AQI
9th January 2025
64AQI
64AQI
10th January 2025
87AQI
87AQI
11th January 2025
94AQI
94AQI
12th January 2025
83AQI
83AQI
13th January 2025
125AQI
125AQI
14th January 2025
136AQI
136AQI
15th January 2025
84AQI
84AQI
16th January 2025
100AQI
100AQI
17th January 2025
106AQI
106AQI
18th January 2025
128AQI
128AQI
19th January 2025
144AQI
144AQI
20th January 2025
137AQI
137AQI
21st January 2025
164AQI
164AQI
22nd January 2025
168AQI
168AQI
23rd January 2025
144AQI
144AQI
24th January 2025
109AQI
109AQI
25th January 2025
87AQI
87AQI
26th January 2025
121AQI
121AQI
27th January 2025
63AQI
63AQI
28th January 2025
92AQI
92AQI
29th January 2025
102AQI
102AQI
30th January 2025
104AQI
104AQI
31st January 2025
132AQI
132AQI
1st February 2025
84AQI
84AQI
2nd February 2025
130AQI
130AQI
3rd February 2025
118AQI
118AQI
4th February 2025
114AQI
114AQI
5th February 2025
95AQI
95AQI
6th February 2025
77AQI
77AQI
7th February 2025
70AQI
70AQI
8th February 2025
59AQI
59AQI
9th February 2025
71AQI
71AQI
10th February 2025
87AQI
87AQI
11th February 2025
95AQI
95AQI
12th February 2025
140AQI
140AQI
13th February 2025
116AQI
116AQI
14th February 2025
139AQI
139AQI
15th February 2025
113AQI
113AQI
16th February 2025
128AQI
128AQI
17th February 2025
88AQI
88AQI
18th February 2025
97AQI
97AQI
19th February 2025
105AQI
105AQI
20th February 2025
89AQI
89AQI
21st February 2025
91AQI
91AQI
22nd February 2025
118AQI
118AQI
23rd February 2025
122AQI
122AQI
24th February 2025
110AQI
110AQI
25th February 2025
140AQI
140AQI
26th February 2025
146AQI
146AQI
27th February 2025
142AQI
142AQI
28th February 2025
124AQI
124AQI
1st March 2025
107AQI
107AQI
2nd March 2025
95AQI
95AQI
3rd March 2025
72AQI
72AQI
4th March 2025
87AQI
87AQI
5th March 2025
103AQI
103AQI
6th March 2025
96AQI
96AQI
7th March 2025
114AQI
114AQI
8th March 2025
130AQI
130AQI
9th March 2025
114AQI
114AQI
10th March 2025
123AQI
123AQI
11th March 2025
135AQI
135AQI
12th March 2025
151AQI
151AQI
13th March 2025
106AQI
106AQI
14th March 2025
91AQI
91AQI
15th March 2025
78AQI
78AQI
16th March 2025
70AQI
70AQI
17th March 2025
66AQI
66AQI
18th March 2025
64AQI
64AQI
19th March 2025
79AQI
79AQI
20th March 2025
74AQI
74AQI
21st March 2025
69AQI
69AQI
22nd March 2025
75AQI
75AQI
23rd March 2025
88AQI
88AQI
24th March 2025
99AQI
99AQI
25th March 2025
89AQI
89AQI
26th March 2025
106AQI
106AQI
27th March 2025
120AQI
120AQI
28th March 2025
89AQI
89AQI
29th March 2025
108AQI
108AQI
30th March 2025
101AQI
101AQI
31st March 2025
77AQI
77AQI
1st April 2025
84AQI
84AQI
2nd April 2025
92AQI
92AQI
3rd April 2025
73AQI
73AQI
4th April 2025
106AQI
106AQI
5th April 2025
92AQI
92AQI
6th April 2025
93AQI
93AQI
7th April 2025
91AQI
91AQI
8th April 2025
97AQI
97AQI
9th April 2025
98AQI
98AQI
10th April 2025
114AQI
114AQI
11th April 2025
109AQI
109AQI
12th April 2025
316AQI
316AQI
13th April 2025
101AQI
101AQI
14th April 2025
96AQI
96AQI
15th April 2025
73AQI
73AQI
16th April 2025
75AQI
75AQI
17th April 2025
88AQI
88AQI
18th April 2025
93AQI
93AQI
19th April 2025
125AQI
125AQI
20th April 2025
84AQI
84AQI
21st April 2025
106AQI
106AQI
22nd April 2025
95AQI
95AQI
23rd April 2025
93AQI
93AQI
24th April 2025
94AQI
94AQI
25th April 2025
75AQI
75AQI
26th April 2025
67AQI
67AQI
27th April 2025
70AQI
70AQI
28th April 2025
79AQI
79AQI
29th April 2025
87AQI
87AQI
30th April 2025
82AQI
82AQI
1st May 2025
77AQI
77AQI
2nd May 2025
77AQI
77AQI
3rd May 2025
70AQI
70AQI
4th May 2025
67AQI
67AQI
5th May 2025
72AQI
72AQI
6th May 2025
98AQI
98AQI
7th May 2025
96AQI
96AQI
8th May 2025
75AQI
75AQI
9th May 2025
55AQI
55AQI
10th May 2025
59AQI
59AQI
11th May 2025
68AQI
68AQI
12th May 2025
72AQI
72AQI
13th May 2025
77AQI
77AQI
14th May 2025
96AQI
96AQI
15th May 2025
116AQI
116AQI
16th May 2025
75AQI
75AQI
17th May 2025
89AQI
89AQI
18th May 2025
85AQI
85AQI
19th May 2025
96AQI
96AQI
20th May 2025
80AQI
80AQI
21st May 2025
69AQI
69AQI
22nd May 2025
80AQI
80AQI
23rd May 2025
86AQI
86AQI
24th May 2025
97AQI
97AQI
25th May 2025
90AQI
90AQI
26th May 2025
97AQI
97AQI
27th May 2025
85AQI
85AQI
28th May 2025
84AQI
84AQI
29th May 2025
84AQI
84AQI
30th May 2025
84AQI
84AQI
31st May 2025
103AQI
103AQI
1st June 2025
53AQI
53AQI
2nd June 2025
52AQI
52AQI
3rd June 2025
70AQI
70AQI
4th June 2025
87AQI
87AQI
5th June 2025
72AQI
72AQI
6th June 2025
74AQI
74AQI
7th June 2025
50AQI
50AQI
8th June 2025
53AQI
53AQI
9th June 2025
58AQI
58AQI
10th June 2025
62AQI
62AQI
11th June 2025
72AQI
72AQI
12th June 2025
64AQI
64AQI
13th June 2025
58AQI
58AQI
14th June 2025
63AQI
63AQI
15th June 2025
44AQI
44AQI
16th June 2025
53AQI
53AQI
17th June 2025
58AQI
58AQI
18th June 2025
52AQI
52AQI
19th June 2025
41AQI
41AQI
20th June 2025
45AQI
45AQI
21st June 2025
37AQI
37AQI
22nd June 2025
32AQI
32AQI
23rd June 2025
49AQI
49AQI
24th June 2025
47AQI
47AQI
25th June 2025
56AQI
56AQI
26th June 2025
61AQI
61AQI
27th June 2025
53AQI
53AQI
28th June 2025
45AQI
45AQI
29th June 2025
43AQI
43AQI
30th June 2025
49AQI
49AQI
1st July 2025
53AQI
53AQI
2nd July 2025
57AQI
57AQI
3rd July 2025
60AQI
60AQI
4th July 2025
62AQI
62AQI
5th July 2025
66AQI
66AQI
6th July 2025
70AQI
70AQI
7th July 2025
62AQI
62AQI
8th July 2025
51AQI
51AQI
9th July 2025
50AQI
50AQI
10th July 2025
74AQI
74AQI
11th July 2025
62AQI
62AQI
12th July 2025
58AQI
58AQI
13th July 2025
62AQI
62AQI
14th July 2025
59AQI
59AQI
15th July 2025
65AQI
65AQI
16th July 2025
65AQI
65AQI
17th July 2025
57AQI
57AQI
18th July 2025
59AQI
59AQI
19th July 2025
60AQI
60AQI
20th July 2025
48AQI
48AQI
21st July 2025
43AQI
43AQI
22nd July 2025
43AQI
43AQI
23rd July 2025
41AQI
41AQI
24th July 2025
43AQI
43AQI
25th July 2025
53AQI
53AQI
26th July 2025
40AQI
40AQI
27th July 2025
43AQI
43AQI
28th July 2025
40AQI
40AQI
29th July 2025
51AQI
51AQI
30th July 2025
39AQI
39AQI
31st July 2025
42AQI
42AQI
1st August 2025
51AQI
51AQI
2nd August 2025
51AQI
51AQI
116AQI
107AQI
96AQI
98AQI
83AQI
55AQI
54AQI
51AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202587AQI
10
18
3
12
16
18
12
1
23
6
1
29
2
11
19
11
20
2
22
133
54
4
1
Highest AQI recorded in
January116AQI
Lowest AQI recorded in
August51AQI
202479AQI
9
11
11
6
13
6
4
1
16
13
1
4
24
2
1
29
1
8
22
27
4
10
21
9
20
5
21
5
4
21
5
8
21
2
75
208
64
18
Highest AQI recorded in
January129AQI
Lowest AQI recorded in
July38AQI
202385AQI
1
13
12
5
2
11
14
1
1
12
17
1
23
6
1
2
24
4
1
9
21
18
13
7
24
10
19
1
9
15
7
2
11
12
1
1
13
9
8
62
199
82
16
2
Highest AQI recorded in
December119AQI
Lowest AQI recorded in
July48AQI
202280AQI
1
9
11
10
12
9
4
15
11
1
5
24
1
2
24
5
9
21
13
10
1
12
15
1
7
22
2
3
19
8
1
15
8
7
57
187
56
18
Highest AQI recorded in
January121AQI
Lowest AQI recorded in
July49AQI
202176AQI
13
15
3
4
16
7
1
1
20
7
2
1
5
21
4
4
13
3
7
16
24
7
7
14
5
22
1
10
15
4
6
17
7
4
12
10
5
77
186
58
11
1
Highest AQI recorded in
January111AQI
Lowest AQI recorded in
July39AQI
202071AQI
4
9
1
17
3
15
3
15
15
13
15
3
14
17
4
26
8
21
2
2
25
3
1
8
13
9
62
168
27
9
Highest AQI recorded in
December123AQI
Lowest AQI recorded in
June50AQI
Most & Least Polluted Years Over the Last 6 Years
Most Polluted Year Recorded
2025(Avg.)
87AQILeast Polluted Year Recorded
2020(Avg.)
71AQIPcku's annual 2025 AQI (87) shows an average percentage change of 11.1% (worsened AQI) compared to previous years: 2020 (71), 2021 (76), 2022 (80), 2023 (85), 2024 (79).
