Country Background
HistoryAQIPM₂.₅PM₁₀COSO₂NO₂O₃

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+

June Air Quality Analysis

Pcku, Nanjing, Jiangsu, China

2022
2023
2024
2025
2026
AQI
.
Days

AQI Trends: Highest and Lowest

Highest AQI recorded on
2nd Jun 2026
107AQI
Lowest AQI recorded on
29th Jun 2024
16AQI

Same Day Analysis (4th June):
On this day, AQI across the 5 years varied significantly: 2026 ranks 4th highest AQI at 66 of Moderate air quality, showing improvement over 2025, 2024 and 2023 on the same day.

Download 2024 Annual Data

World Air Quality Report

Globe

Day & Night AQI Trend: 3rd Jun - 4th Jun 2026

Pcku, Nanjing, Jiangsu, China

AQI
Day
Night
.

5 AM3rd Jun 2026

6 PM

4 AM4th Jun 2026

Day time
Avg. Highest Time
10AM3rd Jun

160AQI

Avg. Lowest Time
6PM3rd Jun

46AQI

Night time
Avg. Highest Time
3AM4th Jun

80AQI

Avg. Lowest Time
9PM3rd Jun

50AQI

In the last 24 hours,

Pcku's AQI reached its highest point of 160 at 10 AM during the Day, while the lowest point, 46, was recorded at 6 PM during the Day between 3rd Jun and 4th Jun 2026.

Day & Night AQI Trend : May - Jun 2026

Pcku, Nanjing, Jiangsu, China

MayJun
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
Day
Night
6th May 2026565 AMAQI
6th May 2026646 AMAQI
6th May 2026627 AMAQI
6th May 2026648 AMAQI
6th May 2026679 AMAQI
6th May 20266210 AMAQI
6th May 20264811 AMAQI
6th May 20263812 PMAQI
6th May 2026321 PMAQI
6th May 2026302 PMAQI
6th May 2026293 PMAQI
6th May 2026304 PMAQI
6th May 2026275 PMAQI
6th May 2026206 PMAQI
6th May 2026207 PMAQI
6th May 2026238 PMAQI
6th May 2026449 PMAQI
6th May 20265110 PMAQI
6th May 20266011 PMAQI
7th May 20266012 AMAQI
7th May 2026561 AMAQI
7th May 2026562 AMAQI
7th May 2026583 AMAQI
7th May 2026564 AMAQI

23°C16/30°C

7th May 2026565 AMAQI
7th May 2026666 AMAQI
7th May 2026717 AMAQI
7th May 2026638 AMAQI
7th May 2026689 AMAQI
7th May 20267210 AMAQI
7th May 20268211 AMAQI
7th May 202610212 PMAQI
7th May 2026821 PMAQI
7th May 20261092 PMAQI
7th May 20261083 PMAQI
7th May 20261224 PMAQI
7th May 20261005 PMAQI
7th May 2026766 PMAQI
7th May 2026467 PMAQI
7th May 2026368 PMAQI
7th May 2026519 PMAQI
7th May 20265610 PMAQI
7th May 20265711 PMAQI
8th May 20266412 AMAQI
8th May 2026461 AMAQI
8th May 2026572 AMAQI
8th May 2026463 AMAQI
8th May 2026404 AMAQI

21°C17/26°C

8th May 2026325 AMAQI
8th May 2026306 AMAQI
8th May 2026307 AMAQI
8th May 2026278 AMAQI
8th May 2026309 AMAQI
8th May 20263410 AMAQI
8th May 20262911 AMAQI
8th May 20262212 PMAQI
8th May 2026141 PMAQI
8th May 2026232 PMAQI
8th May 2026233 PMAQI
8th May 2026244 PMAQI
8th May 2026205 PMAQI
8th May 2026206 PMAQI
8th May 2026277 PMAQI
8th May 2026328 PMAQI
8th May 2026349 PMAQI
8th May 20263410 PMAQI
8th May 20263611 PMAQI
9th May 20263212 AMAQI
9th May 2026331 AMAQI
9th May 2026442 AMAQI
9th May 2026653 AMAQI
9th May 2026554 AMAQI

18°C14/23°C

9th May 2026515 AMAQI
9th May 2026386 AMAQI
9th May 2026337 AMAQI
9th May 2026318 AMAQI
9th May 2026259 AMAQI
9th May 20262010 AMAQI
9th May 20261811 AMAQI
9th May 20262212 PMAQI
9th May 2026181 PMAQI
9th May 2026202 PMAQI
9th May 2026203 PMAQI
9th May 2026244 PMAQI
9th May 2026215 PMAQI
9th May 2026206 PMAQI
9th May 2026247 PMAQI
9th May 2026268 PMAQI
9th May 2026489 PMAQI
9th May 20265210 PMAQI
9th May 20265411 PMAQI
10th May 20265712 AMAQI
10th May 2026601 AMAQI
10th May 2026652 AMAQI
10th May 2026693 AMAQI
10th May 2026684 AMAQI

19°C13/25°C

10th May 2026705 AMAQI
10th May 2026716 AMAQI
10th May 2026717 AMAQI
10th May 2026718 AMAQI
10th May 2026979 AMAQI
10th May 20269810 AMAQI
10th May 20266611 AMAQI
10th May 20265612 PMAQI
10th May 2026751 PMAQI
10th May 2026762 PMAQI
10th May 2026523 PMAQI
10th May 2026404 PMAQI
10th May 2026255 PMAQI
10th May 2026306 PMAQI
10th May 2026327 PMAQI
10th May 2026288 PMAQI
10th May 2026299 PMAQI
10th May 20263310 PMAQI
10th May 20265011 PMAQI
11th May 20266012 AMAQI
11th May 2026621 AMAQI
11th May 2026622 AMAQI
11th May 2026643 AMAQI
11th May 2026764 AMAQI

21°C14/28°C

11th May 2026845 AMAQI
11th May 2026896 AMAQI
11th May 20261067 AMAQI
11th May 2026948 AMAQI
11th May 2026909 AMAQI
11th May 20269010 AMAQI
11th May 20267011 AMAQI
11th May 20266512 PMAQI
11th May 2026541 PMAQI
11th May 2026602 PMAQI
11th May 2026603 PMAQI
11th May 2026634 PMAQI
11th May 2026555 PMAQI
11th May 2026566 PMAQI
11th May 2026557 PMAQI
11th May 2026558 PMAQI
11th May 2026579 PMAQI
11th May 20267410 PMAQI
11th May 20266411 PMAQI
12th May 20266712 AMAQI
12th May 2026791 AMAQI
12th May 2026852 AMAQI
12th May 2026823 AMAQI
12th May 20261254 AMAQI

25°C18/31°C

12th May 20261345 AMAQI
12th May 20261466 AMAQI
12th May 20261327 AMAQI
12th May 20261448 AMAQI
12th May 20261149 AMAQI
12th May 202610410 AMAQI
12th May 20268411 AMAQI
12th May 20269612 PMAQI
12th May 2026731 PMAQI
12th May 2026682 PMAQI
12th May 2026763 PMAQI
12th May 2026504 PMAQI
12th May 2026495 PMAQI
12th May 2026456 PMAQI
12th May 2026537 PMAQI
12th May 2026628 PMAQI
12th May 2026789 PMAQI
12th May 20268610 PMAQI
12th May 202610511 PMAQI
13th May 20269712 AMAQI
13th May 2026801 AMAQI
13th May 2026862 AMAQI
13th May 2026743 AMAQI
13th May 2026734 AMAQI

26°C20/33°C

13th May 2026825 AMAQI
13th May 2026826 AMAQI
13th May 2026857 AMAQI
13th May 2026928 AMAQI
13th May 2026989 AMAQI
13th May 202610610 AMAQI
13th May 202612211 AMAQI
13th May 202611212 PMAQI
13th May 20261021 PMAQI
13th May 2026862 PMAQI
13th May 2026653 PMAQI
13th May 2026484 PMAQI
13th May 2026505 PMAQI
13th May 2026546 PMAQI
13th May 2026577 PMAQI
13th May 2026738 PMAQI
13th May 20261059 PMAQI
13th May 202613210 PMAQI
13th May 202614211 PMAQI
14th May 202613412 AMAQI
14th May 20261321 AMAQI
14th May 20261052 AMAQI
14th May 20261163 AMAQI
14th May 20261384 AMAQI

27°C21/33°C

14th May 20261295 AMAQI
14th May 20261166 AMAQI
14th May 20261167 AMAQI
14th May 2026398 AMAQI
14th May 20261169 AMAQI
14th May 202610810 AMAQI
14th May 20269711 AMAQI
14th May 20269712 PMAQI
14th May 2026861 PMAQI
14th May 2026662 PMAQI
14th May 2026593 PMAQI
14th May 2026534 PMAQI
14th May 2026325 PMAQI
14th May 2026336 PMAQI
14th May 2026307 PMAQI
14th May 2026308 PMAQI
14th May 2026339 PMAQI
14th May 20263210 PMAQI
14th May 20263111 PMAQI
15th May 20263812 AMAQI
15th May 2026381 AMAQI
15th May 2026262 AMAQI
15th May 2026263 AMAQI
15th May 2026284 AMAQI

25°C21/30°C

15th May 2026445 AMAQI
15th May 2026586 AMAQI
15th May 2026717 AMAQI
15th May 2026628 AMAQI
15th May 2026369 AMAQI
15th May 20263110 AMAQI
15th May 20263811 AMAQI
15th May 20264412 PMAQI
15th May 2026431 PMAQI
15th May 2026422 PMAQI
15th May 2026373 PMAQI
15th May 2026344 PMAQI
15th May 2026345 PMAQI
15th May 2026346 PMAQI
15th May 2026387 PMAQI
15th May 2026318 PMAQI
15th May 2026329 PMAQI
15th May 20263410 PMAQI
15th May 20266511 PMAQI
16th May 20268812 AMAQI
16th May 2026781 AMAQI
16th May 2026852 AMAQI
16th May 2026733 AMAQI
16th May 2026724 AMAQI

23°C19/28°C

16th May 2026665 AMAQI
16th May 2026686 AMAQI
16th May 2026837 AMAQI
16th May 2026798 AMAQI
16th May 2026679 AMAQI
16th May 20267810 AMAQI
16th May 20267611 AMAQI
16th May 20268512 PMAQI
16th May 2026831 PMAQI
16th May 2026822 PMAQI
16th May 2026843 PMAQI
16th May 2026724 PMAQI
16th May 2026655 PMAQI
16th May 2026696 PMAQI
16th May 2026717 PMAQI
16th May 2026748 PMAQI
16th May 2026769 PMAQI
16th May 20267610 PMAQI
16th May 20267511 PMAQI
17th May 20266712 AMAQI
17th May 2026761 AMAQI
17th May 2026732 AMAQI
17th May 2026693 AMAQI
17th May 2026734 AMAQI

24°C20/30°C

17th May 2026715 AMAQI
17th May 2026736 AMAQI
17th May 2026687 AMAQI
17th May 2026628 AMAQI
17th May 2026569 AMAQI
17th May 20265610 AMAQI
17th May 20265911 AMAQI
17th May 20267212 PMAQI
17th May 2026641 PMAQI
17th May 2026572 PMAQI
17th May 2026583 PMAQI
17th May 2026604 PMAQI
17th May 2026555 PMAQI
17th May 2026556 PMAQI
17th May 2026537 PMAQI
17th May 2026528 PMAQI
17th May 2026579 PMAQI
17th May 20265010 PMAQI
17th May 20265511 PMAQI
18th May 20266212 AMAQI
18th May 2026581 AMAQI
18th May 2026542 AMAQI
18th May 2026583 AMAQI
18th May 2026604 AMAQI

25°C19/31°C

18th May 2026605 AMAQI
18th May 2026646 AMAQI
18th May 2026607 AMAQI
18th May 2026608 AMAQI
18th May 2026649 AMAQI
18th May 20266210 AMAQI
18th May 20265811 AMAQI
18th May 20265112 PMAQI
18th May 2026441 PMAQI
18th May 2026482 PMAQI
18th May 2026523 PMAQI
18th May 2026494 PMAQI
18th May 2026485 PMAQI
18th May 2026496 PMAQI
18th May 2026507 PMAQI
18th May 2026518 PMAQI
18th May 2026529 PMAQI
18th May 20265310 PMAQI
18th May 20265411 PMAQI
19th May 20265912 AMAQI
19th May 2026551 AMAQI
19th May 2026542 AMAQI
19th May 2026523 AMAQI
19th May 2026504 AMAQI

24°C19/30°C

19th May 2026525 AMAQI
19th May 2026506 AMAQI
19th May 2026527 AMAQI
19th May 2026568 AMAQI
19th May 2026559 AMAQI
19th May 20265410 AMAQI
19th May 20264411 AMAQI
19th May 20264012 PMAQI
19th May 2026401 PMAQI
19th May 2026402 PMAQI
19th May 2026443 PMAQI
19th May 2026404 PMAQI
19th May 2026445 PMAQI
19th May 2026496 PMAQI
19th May 2026587 PMAQI
19th May 2026648 PMAQI
19th May 2026659 PMAQI
19th May 20266610 PMAQI
19th May 20266811 PMAQI
20th May 20266812 AMAQI
20th May 2026701 AMAQI
20th May 2026732 AMAQI
20th May 2026763 AMAQI
20th May 2026764 AMAQI

22°C20/24°C

20th May 2026835 AMAQI
20th May 2026806 AMAQI
20th May 2026747 AMAQI
20th May 2026548 AMAQI
20th May 2026479 AMAQI
20th May 20264210 AMAQI
20th May 20264211 AMAQI
20th May 20264212 PMAQI
20th May 2026461 PMAQI
20th May 2026522 PMAQI
20th May 2026623 PMAQI
20th May 2026644 PMAQI
20th May 2026605 PMAQI
20th May 2026606 PMAQI
20th May 2026607 PMAQI
20th May 2026628 PMAQI
20th May 2026689 PMAQI
20th May 20267410 PMAQI
20th May 20267311 PMAQI
21st May 20266812 AMAQI
21st May 2026651 AMAQI
21st May 2026602 AMAQI
21st May 2026403 AMAQI
21st May 2026424 AMAQI

22°C20/25°C

21st May 2026365 AMAQI
21st May 2026606 AMAQI
21st May 2026727 AMAQI
21st May 2026808 AMAQI
21st May 2026719 AMAQI
21st May 20266910 AMAQI
21st May 20266911 AMAQI
21st May 20266912 PMAQI
21st May 2026691 PMAQI
21st May 2026762 PMAQI
21st May 2026813 PMAQI
21st May 2026784 PMAQI
21st May 2026785 PMAQI
21st May 2026786 PMAQI
21st May 2026767 PMAQI
21st May 2026748 PMAQI
21st May 2026719 PMAQI
21st May 20267210 PMAQI
21st May 20267211 PMAQI
22nd May 20268012 AMAQI
22nd May 2026841 AMAQI
22nd May 2026782 AMAQI
22nd May 2026833 AMAQI
22nd May 2026844 AMAQI

23°C18/29°C

22nd May 2026805 AMAQI
22nd May 2026766 AMAQI
22nd May 2026737 AMAQI
22nd May 2026708 AMAQI
22nd May 2026729 AMAQI
22nd May 20267810 AMAQI
22nd May 20267811 AMAQI
22nd May 20267812 PMAQI
22nd May 2026781 PMAQI
22nd May 2026782 PMAQI
22nd May 2026783 PMAQI
22nd May 2026784 PMAQI
22nd May 2026785 PMAQI
22nd May 2026786 PMAQI
22nd May 2026787 PMAQI
22nd May 2026788 PMAQI
22nd May 2026889 PMAQI
22nd May 20269210 PMAQI
22nd May 20268511 PMAQI
23rd May 20268612 AMAQI
23rd May 2026861 AMAQI
23rd May 2026802 AMAQI
23rd May 2026963 AMAQI
23rd May 2026794 AMAQI

24°C18/29°C

23rd May 2026725 AMAQI
23rd May 2026726 AMAQI
23rd May 2026687 AMAQI
23rd May 2026758 AMAQI
23rd May 2026709 AMAQI
23rd May 20267110 AMAQI
23rd May 20267111 AMAQI
23rd May 20267112 PMAQI
23rd May 2026711 PMAQI
23rd May 2026712 PMAQI
23rd May 2026663 PMAQI
23rd May 2026664 PMAQI
23rd May 2026695 PMAQI
23rd May 2026646 PMAQI
23rd May 2026697 PMAQI
23rd May 2026668 PMAQI
23rd May 2026669 PMAQI
23rd May 20267210 PMAQI
23rd May 20268111 PMAQI
24th May 20267112 AMAQI
24th May 2026791 AMAQI
24th May 2026802 AMAQI
24th May 2026783 AMAQI
24th May 2026794 AMAQI

26°C22/32°C

24th May 2026765 AMAQI
24th May 2026796 AMAQI
24th May 2026747 AMAQI
24th May 2026788 AMAQI
24th May 2026699 AMAQI
24th May 20266710 AMAQI
24th May 20266711 AMAQI
24th May 20266712 PMAQI
24th May 2026671 PMAQI
24th May 2026692 PMAQI
24th May 2026663 PMAQI
24th May 2026694 PMAQI
24th May 2026675 PMAQI
24th May 2026646 PMAQI
24th May 2026587 PMAQI
24th May 2026668 PMAQI
24th May 2026729 PMAQI
24th May 20267510 PMAQI
24th May 20266411 PMAQI
25th May 20266812 AMAQI
25th May 2026761 AMAQI
25th May 2026702 AMAQI
25th May 2026673 AMAQI
25th May 2026664 AMAQI

24°C22/26°C

25th May 2026685 AMAQI
25th May 2026706 AMAQI
25th May 2026707 AMAQI
25th May 2026748 AMAQI
25th May 2026649 AMAQI
25th May 20266310 AMAQI
25th May 20266311 AMAQI
25th May 20266312 PMAQI
25th May 2026631 PMAQI
25th May 2026602 PMAQI
25th May 2026603 PMAQI
25th May 2026594 PMAQI
25th May 2026565 PMAQI
25th May 2026576 PMAQI
25th May 2026607 PMAQI
25th May 2026708 PMAQI
25th May 2026699 PMAQI
25th May 20265810 PMAQI
25th May 20265611 PMAQI
26th May 20265312 AMAQI
26th May 2026561 AMAQI
26th May 2026512 AMAQI
26th May 2026513 AMAQI
26th May 2026464 AMAQI

26°C23/31°C

26th May 2026525 AMAQI
26th May 2026486 AMAQI
26th May 2026517 AMAQI
26th May 2026468 AMAQI
26th May 2026529 AMAQI
26th May 20265410 AMAQI
26th May 20265411 AMAQI
26th May 20265612 PMAQI
26th May 2026661 PMAQI
26th May 2026662 PMAQI
26th May 2026603 PMAQI
26th May 2026224 PMAQI
26th May 2026225 PMAQI
26th May 2026206 PMAQI
26th May 2026237 PMAQI
26th May 2026368 PMAQI
26th May 2026279 PMAQI
26th May 20262110 PMAQI
26th May 20261711 PMAQI
27th May 2026812 AMAQI
27th May 202681 AMAQI
27th May 2026102 AMAQI
27th May 2026183 AMAQI
27th May 2026274 AMAQI

25°C22/27°C

27th May 2026465 AMAQI
27th May 2026336 AMAQI
27th May 2026367 AMAQI
27th May 2026338 AMAQI
27th May 2026449 AMAQI
27th May 20265510 AMAQI
27th May 20265011 AMAQI
27th May 20263112 PMAQI
27th May 2026251 PMAQI
27th May 2026212 PMAQI
27th May 2026123 PMAQI
27th May 2026184 PMAQI
27th May 2026125 PMAQI
27th May 2026176 PMAQI
27th May 2026217 PMAQI
27th May 2026278 PMAQI
27th May 2026389 PMAQI
27th May 20263610 PMAQI
27th May 20265511 PMAQI
28th May 20266012 AMAQI
28th May 2026601 AMAQI
28th May 2026532 AMAQI
28th May 2026543 AMAQI
28th May 2026574 AMAQI

22°C21/25°C

28th May 2026635 AMAQI
28th May 2026596 AMAQI
28th May 2026627 AMAQI
28th May 2026528 AMAQI
28th May 2026489 AMAQI
28th May 20264410 AMAQI
28th May 20262911 AMAQI
28th May 20262612 PMAQI
28th May 2026261 PMAQI
28th May 2026262 PMAQI
28th May 2026213 PMAQI
28th May 2026264 PMAQI
28th May 2026305 PMAQI
28th May 2026286 PMAQI
28th May 2026357 PMAQI
28th May 2026348 PMAQI
28th May 2026419 PMAQI
28th May 20264010 PMAQI
28th May 20264811 PMAQI
29th May 20265812 AMAQI
29th May 2026741 AMAQI
29th May 2026832 AMAQI
29th May 2026363 AMAQI
29th May 2026664 AMAQI

27°C22/33°C

29th May 2026575 AMAQI
29th May 2026536 AMAQI
29th May 2026727 AMAQI
29th May 2026878 AMAQI
29th May 2026929 AMAQI
29th May 20267010 AMAQI
29th May 20264811 AMAQI
29th May 20264512 PMAQI
29th May 2026321 PMAQI
29th May 2026362 PMAQI
29th May 2026393 PMAQI
29th May 2026424 PMAQI
29th May 2026375 PMAQI
29th May 2026446 PMAQI
29th May 2026407 PMAQI
29th May 2026368 PMAQI
29th May 2026409 PMAQI
29th May 20264410 PMAQI
29th May 20264611 PMAQI
30th May 20264612 AMAQI
30th May 2026461 AMAQI
30th May 2026502 AMAQI
30th May 2026513 AMAQI
30th May 2026544 AMAQI

25°C22/29°C

30th May 2026535 AMAQI
30th May 2026626 AMAQI
30th May 2026687 AMAQI
30th May 2026648 AMAQI
30th May 2026679 AMAQI
30th May 20267010 AMAQI
30th May 20266911 AMAQI
30th May 20266012 PMAQI
30th May 2026711 PMAQI
30th May 2026682 PMAQI
30th May 2026673 PMAQI
30th May 2026604 PMAQI
30th May 2026535 PMAQI
30th May 2026316 PMAQI
30th May 2026387 PMAQI
30th May 2026518 PMAQI
30th May 2026559 PMAQI
30th May 20266410 PMAQI
30th May 20266611 PMAQI
31st May 20268412 AMAQI
31st May 2026961 AMAQI
31st May 20261112 AMAQI
31st May 20261053 AMAQI
31st May 20261124 AMAQI

23°C20/28°C

31st May 2026965 AMAQI
31st May 20261126 AMAQI
31st May 20261047 AMAQI
31st May 20261028 AMAQI
31st May 2026929 AMAQI
31st May 20268210 AMAQI
31st May 20268311 AMAQI
31st May 20266512 PMAQI
31st May 2026541 PMAQI
31st May 2026332 PMAQI
31st May 2026263 PMAQI
31st May 2026284 PMAQI
31st May 2026285 PMAQI
31st May 2026316 PMAQI
31st May 2026317 PMAQI
31st May 2026558 PMAQI
31st May 2026499 PMAQI
31st May 20263810 PMAQI
31st May 20264411 PMAQI
1st Jun 20264212 AMAQI
1st Jun 2026461 AMAQI
1st Jun 2026442 AMAQI
1st Jun 2026483 AMAQI
1st Jun 2026444 AMAQI

24°C18/31°C

1st Jun 2026485 AMAQI
1st Jun 2026536 AMAQI
1st Jun 2026547 AMAQI
1st Jun 2026538 AMAQI
1st Jun 2026549 AMAQI
1st Jun 20265810 AMAQI
1st Jun 20265911 AMAQI
1st Jun 20266012 PMAQI
1st Jun 2026651 PMAQI
1st Jun 2026592 PMAQI
1st Jun 2026623 PMAQI
1st Jun 2026594 PMAQI
1st Jun 2026555 PMAQI
1st Jun 2026586 PMAQI
1st Jun 2026827 PMAQI
1st Jun 2026878 PMAQI
1st Jun 2026939 PMAQI
1st Jun 20269210 PMAQI
1st Jun 20269011 PMAQI
2nd Jun 202610012 AMAQI
2nd Jun 20261181 AMAQI
2nd Jun 20261282 AMAQI
2nd Jun 20261363 AMAQI
2nd Jun 20261384 AMAQI

26°C19/32°C

2nd Jun 20261455 AMAQI
2nd Jun 20261506 AMAQI
2nd Jun 20261507 AMAQI
2nd Jun 2026608 AMAQI
2nd Jun 2026789 AMAQI
2nd Jun 20268410 AMAQI
2nd Jun 202611911 AMAQI
2nd Jun 20268312 PMAQI
2nd Jun 2026811 PMAQI
2nd Jun 2026732 PMAQI
2nd Jun 2026853 PMAQI
2nd Jun 2026794 PMAQI
2nd Jun 2026855 PMAQI
2nd Jun 2026956 PMAQI
2nd Jun 2026997 PMAQI
2nd Jun 20261128 PMAQI
2nd Jun 20261189 PMAQI
2nd Jun 202612410 PMAQI
2nd Jun 202612511 PMAQI
3rd Jun 202610012 AMAQI
3rd Jun 20261181 AMAQI
3rd Jun 20261262 AMAQI
3rd Jun 20261423 AMAQI
3rd Jun 20261394 AMAQI

28°C23/34°C

3rd Jun 20261265 AMAQI
3rd Jun 20261466 AMAQI
3rd Jun 20261507 AMAQI
3rd Jun 20261528 AMAQI
3rd Jun 20261549 AMAQI
3rd Jun 202616010 AMAQI
3rd Jun 202615311 AMAQI
3rd Jun 202615812 PMAQI
3rd Jun 20261381 PMAQI
3rd Jun 2026972 PMAQI
3rd Jun 2026643 PMAQI
3rd Jun 2026604 PMAQI
3rd Jun 2026505 PMAQI
3rd Jun 2026466 PMAQI
3rd Jun 2026567 PMAQI
3rd Jun 2026518 PMAQI
3rd Jun 2026509 PMAQI
3rd Jun 20265110 PMAQI
3rd Jun 20266511 PMAQI
4th Jun 20267112 AMAQI
4th Jun 2026781 AMAQI
4th Jun 2026762 AMAQI
4th Jun 2026803 AMAQI
4th Jun 2026764 AMAQI

27°C24/31°C

4th Jun 2026805 AMAQI
5 AM
4th Jun 2026806 AMAQI
4th Jun 2026807 AMAQI
4th Jun 2026798 AMAQI
4th Jun 2026829 AMAQI
4th Jun 20268010 AMAQI
4th Jun 20269411 AMAQI
11 AM
4th Jun 20266912 PMAQI
4th Jun 2026651 PMAQI
4th Jun 2026622 PMAQI
4th Jun 2026523 PMAQI
4th Jun 2026524 PMAQI
4th Jun 2026505 PMAQI
4th Jun 2026516 PMAQI
6 PM
4th Jun 2026447 PMAQI
4th Jun 2026448 PMAQI
4th Jun 2026429 PMAQI
4th Jun 20264410 PMAQI
4th Jun 20265311 PMAQI
11 PM
4 AM

27°C23/33°C

Day time
Avg. Highest Time
6 AM - 7 AM

76AQI

2 hours / Day
60 hours / Month
Avg. Lowest Time
5 PM - 6 PM

49AQI

2 hours / Day
60 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 6 AM to 7 AM (Avg. 76), while the lowest AQI was between 5 PM to 6 PM (Avg. 49).
Night time
Avg. Highest Time
4 AM

72AQI

1 hours / Day
30 hours / Month
Avg. Lowest Time
7 PM

49AQI

1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 4 AM to 4 AM (Avg. 72), while the lowest AQI was between 7 PM to 7 PM (Avg. 49).

2026 Days Vs Air Quality

Pcku, Nanjing, Jiangsu, China

2026

15%

23

50%

78

31%

48

4%

6

Total number of days with different AQI categories in last 155 days in 2026 (210 days remaining)

Good
23 Days
Moderate
78 Days
Poor
48 Days
Unhealthy
6 Days
Severe
0 Days
Hazardous
0 Days

Under WHO’s Safe Air Quality Limits: 15%

Health Risk Level:

Extreme

In 2026, 15% of 155 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 2026

AQI (US)
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 2026
-1th undefined 2026
-1th undefined 2026
-1th undefined 2026
1st January 2026
58AQI (US)
2nd January 2026
109AQI (US)
3rd January 2026
101AQI (US)
4th January 2026
153AQI (US)
5th January 2026
162AQI (US)
6th January 2026
150AQI (US)
7th January 2026
81AQI (US)
8th January 2026
129AQI (US)
9th January 2026
129AQI (US)
10th January 2026
110AQI (US)
11th January 2026
64AQI (US)
12th January 2026
77AQI (US)
13th January 2026
118AQI (US)
14th January 2026
127AQI (US)
15th January 2026
139AQI (US)
16th January 2026
154AQI (US)
17th January 2026
169AQI (US)
18th January 2026
136AQI (US)
19th January 2026
55AQI (US)
20th January 2026
70AQI (US)
21st January 2026
94AQI (US)
22nd January 2026
74AQI (US)
23rd January 2026
112AQI (US)
24th January 2026
149AQI (US)
25th January 2026
154AQI (US)
26th January 2026
57AQI (US)
27th January 2026
73AQI (US)
28th January 2026
108AQI (US)
29th January 2026
94AQI (US)
30th January 2026
58AQI (US)
31st January 2026
46AQI (US)
1st February 2026
82AQI (US)
2nd February 2026
108AQI (US)
3rd February 2026
139AQI (US)
4th February 2026
127AQI (US)
5th February 2026
131AQI (US)
6th February 2026
70AQI (US)
7th February 2026
52AQI (US)
8th February 2026
74AQI (US)
9th February 2026
52AQI (US)
10th February 2026
95AQI (US)
11th February 2026
119AQI (US)
12th February 2026
117AQI (US)
13th February 2026
127AQI (US)
14th February 2026
114AQI (US)
15th February 2026
120AQI (US)
16th February 2026
56AQI (US)
17th February 2026
112AQI (US)
18th February 2026
117AQI (US)
19th February 2026
128AQI (US)
20th February 2026
105AQI (US)
21st February 2026
62AQI (US)
22nd February 2026
79AQI (US)
23rd February 2026
72AQI (US)
24th February 2026
51AQI (US)
25th February 2026
72AQI (US)
26th February 2026
52AQI (US)
27th February 2026
18AQI (US)
28th February 2026
67AQI (US)
1st March 2026
63AQI (US)
2nd March 2026
26AQI (US)
3rd March 2026
113AQI (US)
4th March 2026
90AQI (US)
5th March 2026
94AQI (US)
6th March 2026
109AQI (US)
7th March 2026
95AQI (US)
8th March 2026
72AQI (US)
9th March 2026
142AQI (US)
10th March 2026
106AQI (US)
11th March 2026
119AQI (US)
12th March 2026
127AQI (US)
13th March 2026
114AQI (US)
14th March 2026
130AQI (US)
15th March 2026
123AQI (US)
16th March 2026
90AQI (US)
17th March 2026
102AQI (US)
18th March 2026
94AQI (US)
19th March 2026
131AQI (US)
20th March 2026
162AQI (US)
21st March 2026
128AQI (US)
22nd March 2026
117AQI (US)
23rd March 2026
103AQI (US)
24th March 2026
136AQI (US)
25th March 2026
124AQI (US)
26th March 2026
124AQI (US)
27th March 2026
95AQI (US)
28th March 2026
66AQI (US)
29th March 2026
70AQI (US)
30th March 2026
70AQI (US)
31st March 2026
94AQI (US)
1st April 2026
141AQI (US)
2nd April 2026
113AQI (US)
3rd April 2026
87AQI (US)
4th April 2026
64AQI (US)
5th April 2026
92AQI (US)
6th April 2026
89AQI (US)
7th April 2026
67AQI (US)
8th April 2026
40AQI (US)
9th April 2026
46AQI (US)
10th April 2026
64AQI (US)
11th April 2026
106AQI (US)
12th April 2026
40AQI (US)
13th April 2026
42AQI (US)
14th April 2026
53AQI (US)
15th April 2026
62AQI (US)
16th April 2026
64AQI (US)
17th April 2026
77AQI (US)
18th April 2026
74AQI (US)
19th April 2026
43AQI (US)
20th April 2026
72AQI (US)
21st April 2026
59AQI (US)
22nd April 2026
23AQI (US)
23rd April 2026
21AQI (US)
24th April 2026
37AQI (US)
25th April 2026
71AQI (US)
26th April 2026
54AQI (US)
27th April 2026
81AQI (US)
28th April 2026
53AQI (US)
29th April 2026
43AQI (US)
30th April 2026
55AQI (US)
1st May 2026
48AQI (US)
2nd May 2026
60AQI (US)
3rd May 2026
49AQI (US)
4th May 2026
22AQI (US)
5th May 2026
38AQI (US)
6th May 2026
45AQI (US)
7th May 2026
71AQI (US)
8th May 2026
32AQI (US)
9th May 2026
33AQI (US)
10th May 2026
58AQI (US)
11th May 2026
70AQI (US)
12th May 2026
89AQI (US)
13th May 2026
88AQI (US)
14th May 2026
80AQI (US)
15th May 2026
40AQI (US)
16th May 2026
76AQI (US)
17th May 2026
62AQI (US)
18th May 2026
55AQI (US)
19th May 2026
52AQI (US)
20th May 2026
63AQI (US)
21st May 2026
68AQI (US)
22nd May 2026
79AQI (US)
23rd May 2026
73AQI (US)
24th May 2026
71AQI (US)
25th May 2026
65AQI (US)
26th May 2026
44AQI (US)
27th May 2026
28AQI (US)
28th May 2026
43AQI (US)
29th May 2026
53AQI (US)
30th May 2026
58AQI (US)
31st May 2026
69AQI (US)
1st June 2026
61AQI (US)
2nd June 2026
107AQI (US)
3rd June 2026
106AQI (US)
4th June 2026
66AQI (US)
5th June 2026
6th June 2026
7th June 2026
8th June 2026
9th June 2026
10th June 2026
11th June 2026
12th June 2026
13th June 2026
14th June 2026
15th June 2026
16th June 2026
17th June 2026
18th June 2026
19th June 2026
20th June 2026
21st June 2026
22nd June 2026
23rd June 2026
24th June 2026
25th June 2026
26th June 2026
27th June 2026
28th June 2026
29th June 2026
30th June 2026
1st July 2026
2nd July 2026
3rd July 2026
4th July 2026
5th July 2026
6th July 2026
7th July 2026
8th July 2026
9th July 2026
10th July 2026
11th July 2026
12th July 2026
13th July 2026
14th July 2026
15th July 2026
16th July 2026
17th July 2026
18th July 2026
19th July 2026
20th July 2026
21st July 2026
22nd July 2026
23rd July 2026
24th July 2026
25th July 2026
26th July 2026
27th July 2026
28th July 2026
29th July 2026
30th July 2026
31st July 2026
1st August 2026
2nd August 2026
3rd August 2026
4th August 2026
5th August 2026
6th August 2026
7th August 2026
8th August 2026
9th August 2026
10th August 2026
11th August 2026
12th August 2026
13th August 2026
14th August 2026
15th August 2026
16th August 2026
17th August 2026
18th August 2026
19th August 2026
20th August 2026
21st August 2026
22nd August 2026
23rd August 2026
24th August 2026
25th August 2026
26th August 2026
27th August 2026
28th August 2026
29th August 2026
30th August 2026
31st August 2026
1st September 2026
2nd September 2026
3rd September 2026
4th September 2026
5th September 2026
6th September 2026
7th September 2026
8th September 2026
9th September 2026
10th September 2026
11th September 2026
12th September 2026
13th September 2026
14th September 2026
15th September 2026
16th September 2026
17th September 2026
18th September 2026
19th September 2026
20th September 2026
21st September 2026
22nd September 2026
23rd September 2026
24th September 2026
25th September 2026
26th September 2026
27th September 2026
28th September 2026
29th September 2026
30th September 2026
1st October 2026
2nd October 2026
3rd October 2026
4th October 2026
5th October 2026
6th October 2026
7th October 2026
8th October 2026
9th October 2026
10th October 2026
11th October 2026
12th October 2026
13th October 2026
14th October 2026
15th October 2026
16th October 2026
17th October 2026
18th October 2026
19th October 2026
20th October 2026
21st October 2026
22nd October 2026
23rd October 2026
24th October 2026
25th October 2026
26th October 2026
27th October 2026
28th October 2026
29th October 2026
30th October 2026
31st October 2026
1st November 2026
2nd November 2026
3rd November 2026
4th November 2026
5th November 2026
6th November 2026
7th November 2026
8th November 2026
9th November 2026
10th November 2026
11th November 2026
12th November 2026
13th November 2026
14th November 2026
15th November 2026
16th November 2026
17th November 2026
18th November 2026
19th November 2026
20th November 2026
21st November 2026
22nd November 2026
23rd November 2026
24th November 2026
25th November 2026
26th November 2026
27th November 2026
28th November 2026
29th November 2026
30th November 2026
1st December 2026
2nd December 2026
3rd December 2026
4th December 2026
5th December 2026
6th December 2026
7th December 2026
8th December 2026
9th December 2026
10th December 2026
11th December 2026
12th December 2026
13th December 2026
14th December 2026
15th December 2026
16th December 2026
17th December 2026
18th December 2026
19th December 2026
20th December 2026
21st December 2026
22nd December 2026
23rd December 2026
24th December 2026
25th December 2026
26th December 2026
27th December 2026
28th December 2026
29th December 2026
30th December 2026
31st December 2026

107AQI (US)

90AQI (US)

104AQI (US)

64AQI (US)

57AQI (US)

85AQI (US)

No. of days

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

202685AQI (US)

1
12
13
5
1
14
13
1
12
17
1
9
18
3
11
20
2
2
23
78
48
6

Highest AQI (US) recorded in

January

107AQI (US)

Lowest AQI (US) recorded in

May

57AQI (US)

202584AQI (US)

10
18
3
12
16
18
12
1
23
6
1
29
2
11
19
11
20
7
24
6
24
4
23
4
1
14
10
5
14
11
6
40
230
79
15
1

Highest AQI (US) recorded in

January

116AQI (US)

Lowest AQI (US) recorded in

August

54AQI (US)

202479AQI (US)

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 (US) recorded in

January

129AQI (US)

Lowest AQI (US) recorded in

July

38AQI (US)

202385AQI (US)

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 (US) recorded in

December

119AQI (US)

Lowest AQI (US) recorded in

July

48AQI (US)

202280AQI (US)

1
8
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
186
56
18

Highest AQI (US) recorded in

January

122AQI (US)

Lowest AQI (US) recorded in

July

49AQI (US)

202176AQI (US)

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 (US) recorded in

January

111AQI (US)

Lowest AQI (US) recorded in

July

39AQI (US)

202071AQI (US)

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 (US) recorded in

December

123AQI (US)

Lowest AQI (US) recorded in

June

50AQI (US)

Most & Least Polluted Years Over the Last 7 Years

Most Polluted Year Recorded
2026(Avg.)
85AQI (US)
Least Polluted Year Recorded
2020(Avg.)
71AQI (US)

Pcku's annual 2026 AQI (US) (85) shows an average percentage change of 7.7% (worsened AQI (US)) compared to previous years: 2020 (71), 2021 (76), 2022 (80), 2023 (85), 2024 (79), 2025 (84).