Country Background
HistoryAQIPM₂.₅PM₁₀COSO₂NO₂O₃

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+

September Air Quality Analysis

Nanjing, Jiangsu, China

2022
2023
2024
2025
2026
AQI
.
Days

AQI Trends: Highest and Lowest

Highest AQI recorded on
8th Sep 2022
123AQI
Lowest AQI recorded on
13th Sep 2023
14AQI

Same Day Analysis (30th September):
On this day, AQI across the 5 years varied significantly: 2026 ranks 3rd highest AQI at 56 of Moderate air quality, showing improvement over 2024 and 2022 on the same day.

Day & Night AQI Trend: 29th Sep - 30th Sep 2026

Nanjing, Jiangsu, China

AQI
Day
Night
.

5 AM29th Sep 2026

6 PM

4 AM30th Sep 2026

Day time
Avg. Highest Time
5PM29th Sep

44AQI

Avg. Lowest Time
6AM29th Sep

24AQI

Night time
Avg. Highest Time
4AM30th Sep

52AQI

Avg. Lowest Time
9PM29th Sep

30AQI

In the last 24 hours,

Nanjing's AQI reached its highest point of 52 at 4 AM during the Night, while the lowest point, 24, was recorded at 6 AM during the Day between 29th Sep and 30th Sep 2026.

Day & Night AQI Trend : Sep 2026

Nanjing, Jiangsu, China

Sep
01st - 02nd02nd - 03rd03rd - 04th04th - 05th05th - 06th06th - 07th07th - 08th08th - 09th09th - 10th10th - 11th11th - 12th12th - 13th13th - 14th14th - 15th15th - 16th16th - 17th17th - 18th18th - 19th19th - 20th20th - 21st21st - 22nd22nd - 23rd23rd - 24th24th - 25th25th - 26th26th - 27th27th - 28th28th - 29th29th - 30th30th
Day
Night
1st Sep 2026215 AMAQI
1st Sep 2026266 AMAQI
1st Sep 2026327 AMAQI
1st Sep 2026348 AMAQI
1st Sep 2026319 AMAQI
1st Sep 20262510 AMAQI
1st Sep 20262311 AMAQI
1st Sep 20262312 PMAQI
1st Sep 2026201 PMAQI
1st Sep 2026212 PMAQI
1st Sep 2026203 PMAQI
1st Sep 2026224 PMAQI
1st Sep 2026225 PMAQI
1st Sep 2026266 PMAQI
1st Sep 2026297 PMAQI
1st Sep 2026278 PMAQI
1st Sep 2026289 PMAQI
1st Sep 20262610 PMAQI
1st Sep 20262411 PMAQI
2nd Sep 20261712 AMAQI
2nd Sep 2026151 AMAQI
2nd Sep 2026172 AMAQI
2nd Sep 2026163 AMAQI
2nd Sep 2026174 AMAQI

23°C22/25°C

2nd Sep 2026185 AMAQI
2nd Sep 2026176 AMAQI
2nd Sep 2026167 AMAQI
2nd Sep 2026188 AMAQI
2nd Sep 2026199 AMAQI
2nd Sep 20261910 AMAQI
2nd Sep 20261911 AMAQI
2nd Sep 20262812 PMAQI
2nd Sep 2026311 PMAQI
2nd Sep 2026262 PMAQI
2nd Sep 2026333 PMAQI
2nd Sep 2026384 PMAQI
2nd Sep 2026385 PMAQI
2nd Sep 2026386 PMAQI
2nd Sep 2026287 PMAQI
2nd Sep 2026298 PMAQI
2nd Sep 2026309 PMAQI
2nd Sep 20262910 PMAQI
2nd Sep 20262911 PMAQI
3rd Sep 20262912 AMAQI
3rd Sep 2026291 AMAQI
3rd Sep 2026302 AMAQI
3rd Sep 2026283 AMAQI
3rd Sep 2026274 AMAQI

23°C22/26°C

3rd Sep 2026275 AMAQI
3rd Sep 2026276 AMAQI
3rd Sep 2026267 AMAQI
3rd Sep 2026348 AMAQI
3rd Sep 2026389 AMAQI
3rd Sep 20263610 AMAQI
3rd Sep 20262611 AMAQI
3rd Sep 20262512 PMAQI
3rd Sep 2026241 PMAQI
3rd Sep 2026232 PMAQI
3rd Sep 2026223 PMAQI
3rd Sep 2026254 PMAQI
3rd Sep 2026235 PMAQI
3rd Sep 2026246 PMAQI
3rd Sep 2026277 PMAQI
3rd Sep 2026278 PMAQI
3rd Sep 2026279 PMAQI
3rd Sep 20262610 PMAQI
3rd Sep 20262511 PMAQI
4th Sep 20262412 AMAQI
4th Sep 2026261 AMAQI
4th Sep 2026242 AMAQI
4th Sep 2026283 AMAQI
4th Sep 2026284 AMAQI

24°C23/26°C

4th Sep 2026245 AMAQI
4th Sep 2026246 AMAQI
4th Sep 2026257 AMAQI
4th Sep 2026248 AMAQI
4th Sep 2026259 AMAQI
4th Sep 20262810 AMAQI
4th Sep 20264411 AMAQI
4th Sep 20263412 PMAQI
4th Sep 2026251 PMAQI
4th Sep 2026262 PMAQI
4th Sep 2026273 PMAQI
4th Sep 2026264 PMAQI
4th Sep 2026265 PMAQI
4th Sep 2026266 PMAQI
4th Sep 2026297 PMAQI
4th Sep 2026278 PMAQI
4th Sep 2026349 PMAQI
4th Sep 20263610 PMAQI
4th Sep 20263011 PMAQI
5th Sep 20263012 AMAQI
5th Sep 2026301 AMAQI
5th Sep 2026282 AMAQI
5th Sep 2026303 AMAQI
5th Sep 2026314 AMAQI

24°C21/28°C

5th Sep 2026305 AMAQI
5th Sep 2026346 AMAQI
5th Sep 2026367 AMAQI
5th Sep 2026388 AMAQI
5th Sep 2026409 AMAQI
5th Sep 20264110 AMAQI
5th Sep 20264211 AMAQI
5th Sep 20265012 PMAQI
5th Sep 2026321 PMAQI
5th Sep 2026282 PMAQI
5th Sep 2026243 PMAQI
5th Sep 2026304 PMAQI
5th Sep 2026375 PMAQI
5th Sep 2026346 PMAQI
5th Sep 2026327 PMAQI
5th Sep 2026328 PMAQI
5th Sep 2026369 PMAQI
5th Sep 20262410 PMAQI
5th Sep 20262311 PMAQI
6th Sep 20262312 AMAQI
6th Sep 2026251 AMAQI
6th Sep 2026302 AMAQI
6th Sep 2026283 AMAQI
6th Sep 2026324 AMAQI

24°C21/29°C

6th Sep 2026285 AMAQI
6th Sep 2026266 AMAQI
6th Sep 2026247 AMAQI
6th Sep 2026268 AMAQI
6th Sep 2026269 AMAQI
6th Sep 20262610 AMAQI
6th Sep 20264911 AMAQI
6th Sep 20262912 PMAQI
6th Sep 2026271 PMAQI
6th Sep 2026282 PMAQI
6th Sep 2026323 PMAQI
6th Sep 2026314 PMAQI
6th Sep 2026465 PMAQI
6th Sep 2026436 PMAQI
6th Sep 2026407 PMAQI
6th Sep 2026328 PMAQI
6th Sep 2026349 PMAQI
6th Sep 20262710 PMAQI
6th Sep 20262411 PMAQI
7th Sep 20262412 AMAQI
7th Sep 2026251 AMAQI
7th Sep 2026272 AMAQI
7th Sep 2026283 AMAQI
7th Sep 2026244 AMAQI

24°C20/30°C

7th Sep 2026325 AMAQI
7th Sep 2026276 AMAQI
7th Sep 2026277 AMAQI
7th Sep 2026428 AMAQI
7th Sep 2026349 AMAQI
7th Sep 20263210 AMAQI
7th Sep 20264011 AMAQI
7th Sep 20263512 PMAQI
7th Sep 2026411 PMAQI
7th Sep 2026482 PMAQI
7th Sep 2026443 PMAQI
7th Sep 2026414 PMAQI
7th Sep 2026405 PMAQI
7th Sep 2026326 PMAQI
7th Sep 2026357 PMAQI
7th Sep 2026348 PMAQI
7th Sep 2026339 PMAQI
7th Sep 20263910 PMAQI
7th Sep 20263611 PMAQI
8th Sep 20263512 AMAQI
8th Sep 2026311 AMAQI
8th Sep 2026312 AMAQI
8th Sep 2026303 AMAQI
8th Sep 2026274 AMAQI

24°C20/29°C

8th Sep 2026305 AMAQI
8th Sep 2026306 AMAQI
8th Sep 2026317 AMAQI
8th Sep 2026488 AMAQI
8th Sep 2026489 AMAQI
8th Sep 20264810 AMAQI
8th Sep 20264711 AMAQI
8th Sep 20264312 PMAQI
8th Sep 2026261 PMAQI
8th Sep 2026262 PMAQI
8th Sep 2026283 PMAQI
8th Sep 2026254 PMAQI
8th Sep 2026255 PMAQI
8th Sep 2026256 PMAQI
8th Sep 2026287 PMAQI
8th Sep 2026338 PMAQI
8th Sep 2026299 PMAQI
8th Sep 20264810 PMAQI
8th Sep 20266911 PMAQI
9th Sep 20266312 AMAQI
9th Sep 2026641 AMAQI
9th Sep 2026642 AMAQI
9th Sep 2026653 AMAQI
9th Sep 2026584 AMAQI

24°C20/29°C

9th Sep 2026405 AMAQI
9th Sep 2026346 AMAQI
9th Sep 2026357 AMAQI
9th Sep 2026378 AMAQI
9th Sep 2026379 AMAQI
9th Sep 20264010 AMAQI
9th Sep 20264011 AMAQI
9th Sep 20263812 PMAQI
9th Sep 2026361 PMAQI
9th Sep 2026332 PMAQI
9th Sep 2026323 PMAQI
9th Sep 2026324 PMAQI
9th Sep 2026285 PMAQI
9th Sep 2026286 PMAQI
9th Sep 2026327 PMAQI
9th Sep 2026338 PMAQI
9th Sep 2026349 PMAQI
9th Sep 20263110 PMAQI
9th Sep 20262811 PMAQI
10th Sep 20262812 AMAQI
10th Sep 2026281 AMAQI
10th Sep 2026262 AMAQI
10th Sep 2026273 AMAQI
10th Sep 2026314 AMAQI

22°C19/26°C

10th Sep 2026305 AMAQI
10th Sep 2026316 AMAQI
10th Sep 2026327 AMAQI
10th Sep 2026348 AMAQI
10th Sep 2026369 AMAQI
10th Sep 20263710 AMAQI
10th Sep 20263511 AMAQI
10th Sep 20263212 PMAQI
10th Sep 2026301 PMAQI
10th Sep 2026262 PMAQI
10th Sep 2026253 PMAQI
10th Sep 2026254 PMAQI
10th Sep 2026265 PMAQI
10th Sep 2026306 PMAQI
10th Sep 2026307 PMAQI
10th Sep 2026338 PMAQI
10th Sep 2026309 PMAQI
10th Sep 20263410 PMAQI
10th Sep 20264911 PMAQI
11th Sep 20265412 AMAQI
11th Sep 2026531 AMAQI
11th Sep 2026612 AMAQI
11th Sep 2026503 AMAQI
11th Sep 2026514 AMAQI

21°C17/26°C

11th Sep 2026645 AMAQI
11th Sep 2026666 AMAQI
11th Sep 2026617 AMAQI
11th Sep 2026648 AMAQI
11th Sep 2026689 AMAQI
11th Sep 20266810 AMAQI
11th Sep 20265911 AMAQI
11th Sep 20265112 PMAQI
11th Sep 2026421 PMAQI
11th Sep 2026332 PMAQI
11th Sep 2026283 PMAQI
11th Sep 2026294 PMAQI
11th Sep 2026285 PMAQI
11th Sep 2026296 PMAQI
11th Sep 2026317 PMAQI
11th Sep 2026378 PMAQI
11th Sep 2026419 PMAQI
11th Sep 20264010 PMAQI
11th Sep 20263911 PMAQI
12th Sep 20263712 AMAQI
12th Sep 2026321 AMAQI
12th Sep 2026282 AMAQI
12th Sep 2026233 AMAQI
12th Sep 2026234 AMAQI

20°C18/24°C

12th Sep 2026245 AMAQI
12th Sep 2026196 AMAQI
12th Sep 2026207 AMAQI
12th Sep 2026218 AMAQI
12th Sep 2026269 AMAQI
12th Sep 20262510 AMAQI
12th Sep 20262511 AMAQI
12th Sep 20262312 PMAQI
12th Sep 2026221 PMAQI
12th Sep 2026222 PMAQI
12th Sep 2026223 PMAQI
12th Sep 2026234 PMAQI
12th Sep 2026235 PMAQI
12th Sep 2026256 PMAQI
12th Sep 2026307 PMAQI
12th Sep 2026398 PMAQI
12th Sep 2026489 PMAQI
12th Sep 20265210 PMAQI
12th Sep 20264911 PMAQI
13th Sep 20265412 AMAQI
13th Sep 2026601 AMAQI
13th Sep 2026582 AMAQI
13th Sep 2026573 AMAQI

23°C20/27°C

13th Sep 2026585 AMAQI
13th Sep 2026586 AMAQI
13th Sep 2026587 AMAQI
13th Sep 2026588 AMAQI
13th Sep 2026599 AMAQI
13th Sep 20266410 AMAQI
13th Sep 20267011 AMAQI
13th Sep 20266112 PMAQI
13th Sep 2026521 PMAQI
13th Sep 2026442 PMAQI
13th Sep 2026443 PMAQI
13th Sep 2026424 PMAQI
13th Sep 2026465 PMAQI
13th Sep 2026556 PMAQI
13th Sep 2026577 PMAQI
13th Sep 2026658 PMAQI
13th Sep 2026629 PMAQI
13th Sep 20266110 PMAQI
13th Sep 20266911 PMAQI
14th Sep 20267612 AMAQI
14th Sep 2026761 AMAQI
14th Sep 2026752 AMAQI
14th Sep 2026803 AMAQI
14th Sep 2026794 AMAQI

24°C20/29°C

14th Sep 2026715 AMAQI
14th Sep 2026706 AMAQI
14th Sep 2026707 AMAQI
14th Sep 2026638 AMAQI
14th Sep 2026519 AMAQI
14th Sep 20263310 AMAQI
14th Sep 20263111 AMAQI
14th Sep 20263912 PMAQI
14th Sep 2026461 PMAQI
14th Sep 2026642 PMAQI
14th Sep 2026573 PMAQI
14th Sep 2026494 PMAQI
14th Sep 2026475 PMAQI
14th Sep 2026526 PMAQI
14th Sep 2026537 PMAQI
14th Sep 2026898 PMAQI
14th Sep 2026959 PMAQI
14th Sep 202610210 PMAQI
14th Sep 202610911 PMAQI
15th Sep 202610612 AMAQI
15th Sep 2026871 AMAQI
15th Sep 2026622 AMAQI
15th Sep 2026553 AMAQI
15th Sep 2026524 AMAQI

23°C21/27°C

15th Sep 2026445 AMAQI
15th Sep 2026436 AMAQI
15th Sep 2026457 AMAQI
15th Sep 2026488 AMAQI
15th Sep 2026479 AMAQI
15th Sep 20263310 AMAQI
15th Sep 20262711 AMAQI
15th Sep 20262512 PMAQI
15th Sep 2026231 PMAQI
15th Sep 2026242 PMAQI
15th Sep 2026293 PMAQI
15th Sep 2026344 PMAQI
15th Sep 2026395 PMAQI
15th Sep 2026426 PMAQI
15th Sep 2026457 PMAQI
15th Sep 2026558 PMAQI
15th Sep 2026599 PMAQI
15th Sep 20266510 PMAQI
15th Sep 20267311 PMAQI
16th Sep 20267912 AMAQI
16th Sep 2026811 AMAQI
16th Sep 2026832 AMAQI
16th Sep 2026853 AMAQI
16th Sep 2026854 AMAQI

22°C18/26°C

16th Sep 2026885 AMAQI
16th Sep 2026936 AMAQI
16th Sep 2026927 AMAQI
16th Sep 2026958 AMAQI
16th Sep 20261049 AMAQI
16th Sep 202611010 AMAQI
16th Sep 202610111 AMAQI
16th Sep 20269412 PMAQI
16th Sep 2026941 PMAQI
16th Sep 2026732 PMAQI
16th Sep 2026543 PMAQI
16th Sep 2026584 PMAQI
16th Sep 2026615 PMAQI
16th Sep 2026636 PMAQI
16th Sep 2026727 PMAQI
16th Sep 2026778 PMAQI
16th Sep 2026959 PMAQI
16th Sep 202610010 PMAQI
16th Sep 202611411 PMAQI
17th Sep 202612212 AMAQI
17th Sep 20261201 AMAQI
17th Sep 20261212 AMAQI
17th Sep 20261293 AMAQI
17th Sep 20261374 AMAQI

23°C18/27°C

17th Sep 20261335 AMAQI
17th Sep 20261226 AMAQI
17th Sep 20261147 AMAQI
17th Sep 20261028 AMAQI
17th Sep 2026929 AMAQI
17th Sep 20267810 AMAQI
17th Sep 20267611 AMAQI
17th Sep 20267712 PMAQI
17th Sep 2026591 PMAQI
17th Sep 2026502 PMAQI
17th Sep 2026453 PMAQI
17th Sep 2026434 PMAQI
17th Sep 2026545 PMAQI
17th Sep 2026656 PMAQI
17th Sep 2026817 PMAQI
17th Sep 2026898 PMAQI
17th Sep 20261119 PMAQI
17th Sep 202611310 PMAQI
17th Sep 202611411 PMAQI
18th Sep 202610212 AMAQI
18th Sep 2026891 AMAQI
18th Sep 2026792 AMAQI
18th Sep 2026693 AMAQI
18th Sep 2026394 AMAQI

21°C20/22°C

18th Sep 2026345 AMAQI
18th Sep 2026406 AMAQI
18th Sep 2026457 AMAQI
18th Sep 2026548 AMAQI
18th Sep 2026569 AMAQI
18th Sep 20265310 AMAQI
18th Sep 20265511 AMAQI
18th Sep 20264712 PMAQI
18th Sep 2026271 PMAQI
18th Sep 2026222 PMAQI
18th Sep 2026193 PMAQI
18th Sep 2026194 PMAQI
18th Sep 2026205 PMAQI
18th Sep 2026196 PMAQI
18th Sep 2026227 PMAQI
18th Sep 2026268 PMAQI
18th Sep 2026319 PMAQI
18th Sep 20263510 PMAQI
18th Sep 20264411 PMAQI
19th Sep 20266412 AMAQI
19th Sep 2026841 AMAQI
19th Sep 20261082 AMAQI
19th Sep 20261153 AMAQI
19th Sep 20261154 AMAQI

22°C20/25°C

19th Sep 20261155 AMAQI
19th Sep 20261096 AMAQI
19th Sep 20261107 AMAQI
19th Sep 20261108 AMAQI
19th Sep 20261039 AMAQI
19th Sep 20269710 AMAQI
19th Sep 20268711 AMAQI
19th Sep 20268012 PMAQI
19th Sep 2026591 PMAQI
19th Sep 2026422 PMAQI
19th Sep 2026303 PMAQI
19th Sep 2026254 PMAQI
19th Sep 2026255 PMAQI
19th Sep 2026276 PMAQI
19th Sep 2026287 PMAQI
19th Sep 2026248 PMAQI
19th Sep 2026279 PMAQI
19th Sep 20262910 PMAQI
19th Sep 20262311 PMAQI
20th Sep 20262212 AMAQI
20th Sep 2026241 AMAQI
20th Sep 2026242 AMAQI
20th Sep 2026223 AMAQI
20th Sep 2026254 AMAQI

24°C22/28°C

20th Sep 2026365 AMAQI
20th Sep 2026466 AMAQI
20th Sep 2026567 AMAQI
20th Sep 2026578 AMAQI
20th Sep 2026439 AMAQI
20th Sep 20263210 AMAQI
20th Sep 20263611 AMAQI
20th Sep 20264512 PMAQI
20th Sep 2026311 PMAQI
20th Sep 2026242 PMAQI
20th Sep 2026233 PMAQI
20th Sep 2026224 PMAQI
20th Sep 2026245 PMAQI
20th Sep 2026326 PMAQI
20th Sep 2026347 PMAQI
20th Sep 2026388 PMAQI
20th Sep 2026419 PMAQI
20th Sep 20264710 PMAQI
20th Sep 20266111 PMAQI
21st Sep 20266412 AMAQI
21st Sep 2026651 AMAQI
21st Sep 2026592 AMAQI
21st Sep 2026563 AMAQI
21st Sep 2026594 AMAQI

23°C22/25°C

21st Sep 2026655 AMAQI
21st Sep 2026796 AMAQI
21st Sep 2026797 AMAQI
21st Sep 2026788 AMAQI
21st Sep 2026759 AMAQI
21st Sep 20266810 AMAQI
21st Sep 20266811 AMAQI
21st Sep 20268112 PMAQI
21st Sep 2026901 PMAQI
21st Sep 20261022 PMAQI
21st Sep 20261103 PMAQI
21st Sep 20261164 PMAQI
21st Sep 20261135 PMAQI
21st Sep 20261116 PMAQI
21st Sep 20261137 PMAQI
21st Sep 20261238 PMAQI
21st Sep 20261309 PMAQI
21st Sep 202613010 PMAQI
21st Sep 202613211 PMAQI
22nd Sep 202613512 AMAQI
22nd Sep 2026961 AMAQI
22nd Sep 2026602 AMAQI
22nd Sep 20261193 AMAQI
22nd Sep 20261224 AMAQI

23°C22/23°C

22nd Sep 20261145 AMAQI
22nd Sep 20261046 AMAQI
22nd Sep 20261017 AMAQI
22nd Sep 2026968 AMAQI
22nd Sep 2026769 AMAQI
22nd Sep 20266010 AMAQI
22nd Sep 20265011 AMAQI
22nd Sep 20264612 PMAQI
22nd Sep 2026321 PMAQI
22nd Sep 2026322 PMAQI
22nd Sep 2026363 PMAQI
22nd Sep 2026434 PMAQI
22nd Sep 2026475 PMAQI
22nd Sep 2026546 PMAQI
22nd Sep 2026627 PMAQI
22nd Sep 2026638 PMAQI
22nd Sep 2026619 PMAQI
22nd Sep 20266210 PMAQI
22nd Sep 20266411 PMAQI
23rd Sep 20266312 AMAQI
23rd Sep 2026591 AMAQI
23rd Sep 2026502 AMAQI
23rd Sep 2026423 AMAQI
23rd Sep 2026404 AMAQI

22°C21/23°C

23rd Sep 2026635 AMAQI
23rd Sep 2026846 AMAQI
23rd Sep 20261127 AMAQI
23rd Sep 20261098 AMAQI
23rd Sep 20261089 AMAQI
23rd Sep 202610610 AMAQI
23rd Sep 202610111 AMAQI
23rd Sep 20269112 PMAQI
23rd Sep 2026691 PMAQI
23rd Sep 2026542 PMAQI
23rd Sep 2026573 PMAQI
23rd Sep 2026564 PMAQI
23rd Sep 2026565 PMAQI
23rd Sep 2026576 PMAQI
23rd Sep 2026497 PMAQI
23rd Sep 2026538 PMAQI
23rd Sep 2026679 PMAQI
23rd Sep 20267210 PMAQI
23rd Sep 20267911 PMAQI
24th Sep 20268812 AMAQI
24th Sep 20261041 AMAQI
24th Sep 20261152 AMAQI
24th Sep 20261173 AMAQI
24th Sep 20261394 AMAQI

23°C22/26°C

24th Sep 20261355 AMAQI
24th Sep 20261076 AMAQI
24th Sep 2026697 AMAQI
24th Sep 2026568 AMAQI
24th Sep 2026509 AMAQI
24th Sep 20264610 AMAQI
24th Sep 20263911 AMAQI
24th Sep 20264012 PMAQI
24th Sep 2026361 PMAQI
24th Sep 2026382 PMAQI
24th Sep 2026373 PMAQI
24th Sep 2026394 PMAQI
24th Sep 2026385 PMAQI
24th Sep 2026396 PMAQI
24th Sep 2026417 PMAQI
24th Sep 2026468 PMAQI
24th Sep 2026569 PMAQI
24th Sep 20266610 PMAQI
24th Sep 20267111 PMAQI
25th Sep 20267312 AMAQI
25th Sep 2026731 AMAQI
25th Sep 2026722 AMAQI
25th Sep 2026753 AMAQI
25th Sep 2026814 AMAQI

24°C22/27°C

25th Sep 2026825 AMAQI
25th Sep 2026806 AMAQI
25th Sep 2026807 AMAQI
25th Sep 2026798 AMAQI
25th Sep 2026729 AMAQI
25th Sep 20267210 AMAQI
25th Sep 20266811 AMAQI
25th Sep 20266812 PMAQI
25th Sep 2026621 PMAQI
25th Sep 2026572 PMAQI
25th Sep 2026573 PMAQI
25th Sep 2026544 PMAQI
25th Sep 2026535 PMAQI
25th Sep 2026576 PMAQI
25th Sep 2026677 PMAQI
25th Sep 2026888 PMAQI
25th Sep 20261299 PMAQI
25th Sep 202613710 PMAQI
25th Sep 202613311 PMAQI
26th Sep 202612012 AMAQI
26th Sep 20261061 AMAQI
26th Sep 2026572 AMAQI
26th Sep 2026493 AMAQI
26th Sep 2026494 AMAQI

26°C21/32°C

26th Sep 2026445 AMAQI
26th Sep 2026296 AMAQI
26th Sep 2026447 AMAQI
26th Sep 2026508 AMAQI
26th Sep 2026459 AMAQI
26th Sep 20263810 AMAQI
26th Sep 20262611 AMAQI
26th Sep 20262012 PMAQI
26th Sep 2026141 PMAQI
26th Sep 2026122 PMAQI
26th Sep 2026113 PMAQI
26th Sep 2026124 PMAQI
26th Sep 2026125 PMAQI
26th Sep 2026136 PMAQI
26th Sep 2026127 PMAQI
26th Sep 2026118 PMAQI
26th Sep 2026159 PMAQI
26th Sep 20262010 PMAQI
26th Sep 20262111 PMAQI
27th Sep 20262212 AMAQI
27th Sep 2026251 AMAQI
27th Sep 2026332 AMAQI
27th Sep 2026403 AMAQI
27th Sep 2026484 AMAQI

22°C21/24°C

27th Sep 2026455 AMAQI
27th Sep 2026276 AMAQI
27th Sep 2026187 AMAQI
27th Sep 2026188 AMAQI
27th Sep 2026179 AMAQI
27th Sep 20261610 AMAQI
27th Sep 20261311 AMAQI
27th Sep 20261412 PMAQI
27th Sep 2026151 PMAQI
27th Sep 2026122 PMAQI
27th Sep 2026113 PMAQI
27th Sep 2026104 PMAQI
27th Sep 202695 PMAQI
27th Sep 2026106 PMAQI
27th Sep 2026117 PMAQI
27th Sep 2026138 PMAQI
27th Sep 2026159 PMAQI
27th Sep 20261810 PMAQI
27th Sep 20262211 PMAQI
28th Sep 20262812 AMAQI
28th Sep 2026391 AMAQI
28th Sep 2026482 AMAQI
28th Sep 2026553 AMAQI
28th Sep 2026564 AMAQI

23°C22/25°C

28th Sep 2026515 AMAQI
28th Sep 2026436 AMAQI
28th Sep 2026367 AMAQI
28th Sep 2026338 AMAQI
28th Sep 2026359 AMAQI
28th Sep 20264010 AMAQI
28th Sep 20263911 AMAQI
28th Sep 20264112 PMAQI
28th Sep 2026401 PMAQI
28th Sep 2026352 PMAQI
28th Sep 2026323 PMAQI
28th Sep 2026304 PMAQI
28th Sep 2026265 PMAQI
28th Sep 2026286 PMAQI
28th Sep 2026287 PMAQI
28th Sep 2026248 PMAQI
28th Sep 2026249 PMAQI
28th Sep 20262410 PMAQI
28th Sep 20262311 PMAQI
29th Sep 20262412 AMAQI
29th Sep 2026261 AMAQI
29th Sep 2026282 AMAQI
29th Sep 2026313 AMAQI
29th Sep 2026324 AMAQI

21°C19/22°C

29th Sep 2026275 AMAQI
29th Sep 2026246 AMAQI
29th Sep 2026287 AMAQI
29th Sep 2026298 AMAQI
29th Sep 2026309 AMAQI
29th Sep 20262910 AMAQI
29th Sep 20262611 AMAQI
29th Sep 20262612 PMAQI
29th Sep 2026281 PMAQI
29th Sep 2026282 PMAQI
29th Sep 2026323 PMAQI
29th Sep 2026374 PMAQI
29th Sep 2026445 PMAQI
29th Sep 2026376 PMAQI
29th Sep 2026307 PMAQI
29th Sep 2026308 PMAQI
29th Sep 2026309 PMAQI
29th Sep 20263410 PMAQI
29th Sep 20263411 PMAQI
30th Sep 20263312 AMAQI
30th Sep 2026331 AMAQI
30th Sep 2026442 AMAQI
30th Sep 2026423 AMAQI
30th Sep 2026524 AMAQI

19°C19/20°C

30th Sep 2026645 AMAQI
5 AM
30th Sep 2026646 AMAQI
30th Sep 2026657 AMAQI
30th Sep 2026668 AMAQI
30th Sep 2026759 AMAQI
30th Sep 20267410 AMAQI
30th Sep 20267411 AMAQI
11 AM
30th Sep 20267612 PMAQI
30th Sep 2026761 PMAQI
30th Sep 2026742 PMAQI
30th Sep 2026803 PMAQI
30th Sep 2026794 PMAQI
30th Sep 2026545 PMAQI
30th Sep 2026406 PMAQI
6 PM
30th Sep 2026417 PMAQI
30th Sep 2026488 PMAQI
30th Sep 2026409 PMAQI
30th Sep 20262510 PMAQI
30th Sep 20263011 PMAQI
11 PM
4 AM

20°C19/22°C

Day time
Avg. Highest Time
5 AM

55AQI

1 hours / Day
30 hours / Month
Avg. Lowest Time
2 PM - 6 PM

38AQI

5 hours / Day
150 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 5 AM to 5 AM (Avg. 55), while the lowest AQI was between 2 PM to 6 PM (Avg. 38).
Night time
Avg. Highest Time
12 AM - 1 AM

55AQI

2 hours / Day
60 hours / Month
Avg. Lowest Time
7 PM

41AQI

1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 12 AM to 1 AM (Avg. 55), while the lowest AQI was between 7 PM to 7 PM (Avg. 41).

2026 Days Vs Air Quality

Nanjing, Jiangsu, China

2026

42%

116

40%

109

15%

42

2%

6

Total number of days with different AQI categories in last 273 days in 2026 (92 days remaining)

Good
116 Days
Moderate
109 Days
Poor
42 Days
Unhealthy
6 Days
Severe
0 Days
Hazardous
0 Days

Under WHO’s Safe Air Quality Limits: 42%

Health Risk Level:

Significant

In 2026, 42% of 273 days were within WHO’s safe air quality limits, and 58% exceeded them. The risk of health issues is Significant, especially for those with existing respiratory or heart conditions.

Annual Air Quality Insights

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
45AQI (US)
2nd January 2026
102AQI (US)
3rd January 2026
96AQI (US)
4th January 2026
156AQI (US)
5th January 2026
161AQI (US)
6th January 2026
147AQI (US)
7th January 2026
80AQI (US)
8th January 2026
123AQI (US)
9th January 2026
124AQI (US)
10th January 2026
108AQI (US)
11th January 2026
64AQI (US)
12th January 2026
79AQI (US)
13th January 2026
122AQI (US)
14th January 2026
129AQI (US)
15th January 2026
135AQI (US)
16th January 2026
157AQI (US)
17th January 2026
167AQI (US)
18th January 2026
121AQI (US)
19th January 2026
41AQI (US)
20th January 2026
69AQI (US)
21st January 2026
93AQI (US)
22nd January 2026
74AQI (US)
23rd January 2026
114AQI (US)
24th January 2026
147AQI (US)
25th January 2026
151AQI (US)
26th January 2026
51AQI (US)
27th January 2026
74AQI (US)
28th January 2026
101AQI (US)
29th January 2026
88AQI (US)
30th January 2026
55AQI (US)
31st January 2026
47AQI (US)
1st February 2026
89AQI (US)
2nd February 2026
111AQI (US)
3rd February 2026
137AQI (US)
4th February 2026
107AQI (US)
5th February 2026
138AQI (US)
6th February 2026
70AQI (US)
7th February 2026
55AQI (US)
8th February 2026
79AQI (US)
9th February 2026
58AQI (US)
10th February 2026
90AQI (US)
11th February 2026
114AQI (US)
12th February 2026
115AQI (US)
13th February 2026
127AQI (US)
14th February 2026
112AQI (US)
15th February 2026
123AQI (US)
16th February 2026
55AQI (US)
17th February 2026
87AQI (US)
18th February 2026
120AQI (US)
19th February 2026
127AQI (US)
20th February 2026
94AQI (US)
21st February 2026
64AQI (US)
22nd February 2026
78AQI (US)
23rd February 2026
70AQI (US)
24th February 2026
48AQI (US)
25th February 2026
72AQI (US)
26th February 2026
47AQI (US)
27th February 2026
23AQI (US)
28th February 2026
63AQI (US)
1st March 2026
63AQI (US)
2nd March 2026
29AQI (US)
3rd March 2026
108AQI (US)
4th March 2026
83AQI (US)
5th March 2026
88AQI (US)
6th March 2026
105AQI (US)
7th March 2026
89AQI (US)
8th March 2026
64AQI (US)
9th March 2026
120AQI (US)
10th March 2026
97AQI (US)
11th March 2026
114AQI (US)
12th March 2026
123AQI (US)
13th March 2026
113AQI (US)
14th March 2026
126AQI (US)
15th March 2026
107AQI (US)
16th March 2026
85AQI (US)
17th March 2026
96AQI (US)
18th March 2026
91AQI (US)
19th March 2026
131AQI (US)
20th March 2026
160AQI (US)
21st March 2026
126AQI (US)
22nd March 2026
112AQI (US)
23rd March 2026
98AQI (US)
24th March 2026
119AQI (US)
25th March 2026
130AQI (US)
26th March 2026
125AQI (US)
27th March 2026
80AQI (US)
28th March 2026
66AQI (US)
29th March 2026
71AQI (US)
30th March 2026
67AQI (US)
31st March 2026
102AQI (US)
1st April 2026
142AQI (US)
2nd April 2026
113AQI (US)
3rd April 2026
79AQI (US)
4th April 2026
68AQI (US)
5th April 2026
95AQI (US)
6th April 2026
94AQI (US)
7th April 2026
66AQI (US)
8th April 2026
37AQI (US)
9th April 2026
53AQI (US)
10th April 2026
77AQI (US)
11th April 2026
105AQI (US)
12th April 2026
33AQI (US)
13th April 2026
46AQI (US)
14th April 2026
64AQI (US)
15th April 2026
64AQI (US)
16th April 2026
66AQI (US)
17th April 2026
87AQI (US)
18th April 2026
73AQI (US)
19th April 2026
40AQI (US)
20th April 2026
68AQI (US)
21st April 2026
56AQI (US)
22nd April 2026
20AQI (US)
23rd April 2026
19AQI (US)
24th April 2026
44AQI (US)
25th April 2026
74AQI (US)
26th April 2026
65AQI (US)
27th April 2026
89AQI (US)
28th April 2026
53AQI (US)
29th April 2026
38AQI (US)
30th April 2026
59AQI (US)
1st May 2026
50AQI (US)
2nd May 2026
68AQI (US)
3rd May 2026
55AQI (US)
4th May 2026
28AQI (US)
5th May 2026
46AQI (US)
6th May 2026
48AQI (US)
7th May 2026
73AQI (US)
8th May 2026
28AQI (US)
9th May 2026
33AQI (US)
10th May 2026
58AQI (US)
11th May 2026
71AQI (US)
12th May 2026
88AQI (US)
13th May 2026
91AQI (US)
14th May 2026
75AQI (US)
15th May 2026
41AQI (US)
16th May 2026
75AQI (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
72AQI (US)
24th May 2026
71AQI (US)
25th May 2026
65AQI (US)
26th May 2026
44AQI (US)
27th May 2026
32AQI (US)
28th May 2026
44AQI (US)
29th May 2026
56AQI (US)
30th May 2026
59AQI (US)
31st May 2026
69AQI (US)
1st June 2026
59AQI (US)
2nd June 2026
99AQI (US)
3rd June 2026
104AQI (US)
4th June 2026
69AQI (US)
5th June 2026
36AQI (US)
6th June 2026
28AQI (US)
7th June 2026
45AQI (US)
8th June 2026
47AQI (US)
9th June 2026
46AQI (US)
10th June 2026
53AQI (US)
11th June 2026
66AQI (US)
12th June 2026
78AQI (US)
13th June 2026
54AQI (US)
14th June 2026
44AQI (US)
15th June 2026
29AQI (US)
16th June 2026
36AQI (US)
17th June 2026
47AQI (US)
18th June 2026
89AQI (US)
19th June 2026
56AQI (US)
20th June 2026
19AQI (US)
21st June 2026
54AQI (US)
22nd June 2026
19AQI (US)
23rd June 2026
10AQI (US)
24th June 2026
22AQI (US)
25th June 2026
35AQI (US)
26th June 2026
68AQI (US)
27th June 2026
74AQI (US)
28th June 2026
95AQI (US)
29th June 2026
89AQI (US)
30th June 2026
28AQI (US)
1st July 2026
41AQI (US)
2nd July 2026
33AQI (US)
3rd July 2026
14AQI (US)
4th July 2026
28AQI (US)
5th July 2026
9AQI (US)
6th July 2026
15AQI (US)
7th July 2026
22AQI (US)
8th July 2026
18AQI (US)
9th July 2026
17AQI (US)
10th July 2026
42AQI (US)
11th July 2026
29AQI (US)
12th July 2026
19AQI (US)
13th July 2026
17AQI (US)
14th July 2026
46AQI (US)
15th July 2026
39AQI (US)
16th July 2026
18AQI (US)
17th July 2026
35AQI (US)
18th July 2026
44AQI (US)
19th July 2026
48AQI (US)
20th July 2026
38AQI (US)
21st July 2026
35AQI (US)
22nd July 2026
30AQI (US)
23rd July 2026
35AQI (US)
24th July 2026
36AQI (US)
25th July 2026
49AQI (US)
26th July 2026
28AQI (US)
27th July 2026
36AQI (US)
28th July 2026
30AQI (US)
29th July 2026
39AQI (US)
30th July 2026
22AQI (US)
31st July 2026
30AQI (US)
1st August 2026
27AQI (US)
2nd August 2026
42AQI (US)
3rd August 2026
60AQI (US)
4th August 2026
56AQI (US)
5th August 2026
69AQI (US)
6th August 2026
44AQI (US)
7th August 2026
41AQI (US)
8th August 2026
44AQI (US)
9th August 2026
21AQI (US)
10th August 2026
22AQI (US)
11th August 2026
28AQI (US)
12th August 2026
29AQI (US)
13th August 2026
34AQI (US)
14th August 2026
37AQI (US)
15th August 2026
26AQI (US)
16th August 2026
34AQI (US)
17th August 2026
49AQI (US)
18th August 2026
66AQI (US)
19th August 2026
43AQI (US)
20th August 2026
23AQI (US)
21st August 2026
29AQI (US)
22nd August 2026
27AQI (US)
23rd August 2026
30AQI (US)
24th August 2026
27AQI (US)
25th August 2026
30AQI (US)
26th August 2026
32AQI (US)
27th August 2026
55AQI (US)
28th August 2026
28AQI (US)
29th August 2026
28AQI (US)
30th August 2026
34AQI (US)
31st August 2026
27AQI (US)
1st September 2026
24AQI (US)
2nd September 2026
24AQI (US)
3rd September 2026
27AQI (US)
4th September 2026
28AQI (US)
5th September 2026
33AQI (US)
6th September 2026
31AQI (US)
7th September 2026
34AQI (US)
8th September 2026
35AQI (US)
9th September 2026
40AQI (US)
10th September 2026
31AQI (US)
11th September 2026
48AQI (US)
12th September 2026
28AQI (US)
13th September 2026
57AQI (US)
14th September 2026
66AQI (US)
15th September 2026
48AQI (US)
16th September 2026
85AQI (US)
17th September 2026
94AQI (US)
18th September 2026
44AQI (US)
19th September 2026
68AQI (US)
20th September 2026
35AQI (US)
21st September 2026
90AQI (US)
22nd September 2026
72AQI (US)
23rd September 2026
71AQI (US)
24th September 2026
67AQI (US)
25th September 2026
78AQI (US)
26th September 2026
35AQI (US)
27th September 2026
20AQI (US)
28th September 2026
36AQI (US)
29th September 2026
30AQI (US)
30th September 2026
56AQI (US)
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

104AQI (US)

88AQI (US)

100AQI (US)

66AQI (US)

59AQI (US)

53AQI (US)

30AQI (US)

37AQI (US)

48AQI (US)

No. of days

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

202665AQI (US)

3
11
12
5
3
14
11
1
14
15
1
8
19
3
10
21
15
14
1
31
26
5
19
11
116
109
42
6

Highest AQI (US) recorded in

January

104AQI (US)

Lowest AQI (US) recorded in

July

30AQI (US)

202583AQI (US)

10
19
2
12
16
21
10
22
7
1
28
3
12
18
12
19
6
25
5
25
6
20
5
3
13
10
4
1
14
10
6
45
227
80
12
1

Highest AQI (US) recorded in

January

116AQI (US)

Lowest AQI (US) recorded in

July

54AQI (US)

202481AQI (US)

10
10
11
4
13
8
4
14
16
1
22
8
1
28
2
9
21
25
6
9
22
11
19
8
20
3
7
18
5
6
24
1
74
199
76
17

Highest AQI (US) recorded in

January

123AQI (US)

Lowest AQI (US) recorded in

July

41AQI (US)

202383AQI (US)

1
13
12
5
2
12
13
1
1
12
16
2
1
18
10
1
3
24
3
1
9
21
18
13
9
22
12
17
1
6
14
11
2
10
13
1
2
12
9
8
66
188
88
18
1

Highest AQI (US) recorded in

December

114AQI (US)

Lowest AQI (US) recorded in

July

44AQI (US)

202284AQI (US)

1
7
11
12
9
11
2
2
17
9
3
4
21
5
2
23
6
7
23
14
11
2
2
8
19
2
6
23
2
3
17
9
1
1
15
8
7
50
187
63
25

Highest AQI (US) recorded in

January

126AQI (US)

Lowest AQI (US) recorded in

July

52AQI (US)

202185AQI (US)

8
18
5
1
18
8
1
14
15
1
1
2
23
5
3
20
8
6
23
1
18
11
2
6
14
1
5
25
9
17
5
2
17
11
1
10
15
5
53
200
89
12
1

Highest AQI (US) recorded in

January

120AQI (US)

Lowest AQI (US) recorded in

July

51AQI (US)

202081AQI (US)

3
8
2
14
7
12
6
7
22
1
8
18
5
12
19
1
28
1
4
23
4
2
21
7
6
16
9
37
171
49
9

Highest AQI (US) recorded in

December

130AQI (US)

Lowest AQI (US) recorded in

August

59AQI (US)

Most & Least Polluted Years Over the Last 7 Years

Most Polluted Year Recorded
2021(Avg.)
85AQI (US)
Least Polluted Year Recorded
2026(Avg.)
65AQI (US)

Nanjing's annual 2026 AQI (US) (65) shows an average percentage change of -21.5% (improved AQI (US)) compared to previous years: 2020 (81), 2021 (85), 2022 (84), 2023 (83), 2024 (81), 2025 (83).