Astronomical Observatory, Naples, Campania, Italy 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
Astronomical Observatory, Naples, Campania, Italy
2021
2023
2024
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
28th Sep 2021
65AQILowest AQI recorded on
27th Sep 2023
4AQISame Day Analysis (20th September ):
On this day, AQI across the 4 years varied significantly: 2025 ranks 4th highest AQI at 28 of Good air quality, showing improvement over 2024, 2023 and 2021 on the same day.
Download 2024 Annual Data
World Air Quality Report
Day & Night AQI Trend: 21st Sep - 22nd Sep 2025
Astronomical Observatory, Naples, Campania, Italy
AQI
Day
Night
.
6 AM21st Sep 2025
7 PM
5 AM22nd Sep 2025
Day time
Avg. Highest Time
6AM21st Sep
31AQI
Avg. Lowest Time
1PM21st Sep
27AQI
Night time
Avg. Highest Time
9PM21st Sep
30AQI
Avg. Lowest Time
5AM22nd Sep
25AQI
In the last 24 hours,
Astronomical Observatory's AQI reached its highest point of 31 at 6 AM during the Day, while the lowest point, 25, was recorded at 5 AM during the Night between 21st Sep and 22nd Sep 2025.
Day & Night AQI Trend : Aug - Sep 2025
Astronomical Observatory, Naples, Campania, Italy
AugSep
23rd - 24th24th - 25th25th - 26th26th - 27th27th - 28th28th - 29th29th - 30th30th - 31st31st - 01st01st - 02nd02nd - 03rd03rd - 04th04th - 05th05th - 06th06th - 07th07th - 08th08th - 09th09th - 10th10th - 11th11th - 12th12th - 13th13th - 14th14th - 15th15th - 16th16th - 17th17th - 18th18th - 19th19th - 20th20th - 21st21st - 22nd22nd
Day
Night
23rd Aug 2025486 AMAQI
23rd Aug 2025437 AMAQI
23rd Aug 2025438 AMAQI
23rd Aug 2025459 AMAQI
23rd Aug 20254910 AMAQI
23rd Aug 20254811 AMAQI
23rd Aug 20254512 PMAQI
23rd Aug 2025451 PMAQI
23rd Aug 2025472 PMAQI
23rd Aug 2025473 PMAQI
23rd Aug 2025484 PMAQI
23rd Aug 2025485 PMAQI
23rd Aug 2025466 PMAQI
23rd Aug 2025457 PMAQI
23rd Aug 2025458 PMAQI
23rd Aug 2025469 PMAQI
23rd Aug 20254610 PMAQI
23rd Aug 20254711 PMAQI
24th Aug 20254612 AMAQI
24th Aug 2025471 AMAQI
24th Aug 2025462 AMAQI
24th Aug 2025433 AMAQI
24th Aug 2025464 AMAQI
24th Aug 2025445 AMAQI
25°C24/27°C
24th Aug 2025466 AMAQI
24th Aug 2025497 AMAQI
24th Aug 2025398 AMAQI
24th Aug 2025469 AMAQI
24th Aug 20254410 AMAQI
24th Aug 20254411 AMAQI
24th Aug 20254312 PMAQI
24th Aug 2025441 PMAQI
24th Aug 2025452 PMAQI
24th Aug 2025463 PMAQI
24th Aug 2025444 PMAQI
24th Aug 2025445 PMAQI
24th Aug 2025426 PMAQI
24th Aug 2025427 PMAQI
24th Aug 2025448 PMAQI
24th Aug 2025439 PMAQI
24th Aug 20254210 PMAQI
24th Aug 20254311 PMAQI
25th Aug 20254212 AMAQI
25th Aug 2025431 AMAQI
25th Aug 2025422 AMAQI
25th Aug 2025433 AMAQI
25th Aug 2025444 AMAQI
25th Aug 2025425 AMAQI
25°C24/27°C
25th Aug 2025446 AMAQI
25th Aug 2025387 AMAQI
25th Aug 2025448 AMAQI
25th Aug 2025409 AMAQI
25th Aug 20254210 AMAQI
25th Aug 20253911 AMAQI
25th Aug 20254012 PMAQI
25th Aug 2025421 PMAQI
25th Aug 2025432 PMAQI
25th Aug 2025453 PMAQI
25th Aug 2025484 PMAQI
25th Aug 2025445 PMAQI
25th Aug 2025446 PMAQI
25th Aug 2025417 PMAQI
25th Aug 2025448 PMAQI
25th Aug 2025409 PMAQI
25th Aug 20254010 PMAQI
25th Aug 20254011 PMAQI
26th Aug 20254012 AMAQI
26th Aug 2025401 AMAQI
26th Aug 2025402 AMAQI
26th Aug 2025403 AMAQI
26th Aug 2025384 AMAQI
26th Aug 2025375 AMAQI
25°C23/27°C
26th Aug 2025386 AMAQI
26th Aug 2025407 AMAQI
26th Aug 2025458 AMAQI
26th Aug 2025439 AMAQI
26th Aug 20254410 AMAQI
26th Aug 20254311 AMAQI
26th Aug 20253912 PMAQI
26th Aug 2025401 PMAQI
26th Aug 2025422 PMAQI
26th Aug 2025373 PMAQI
26th Aug 2025384 PMAQI
26th Aug 2025405 PMAQI
26th Aug 2025376 PMAQI
26th Aug 2025387 PMAQI
26th Aug 2025388 PMAQI
26th Aug 2025389 PMAQI
26th Aug 20253910 PMAQI
26th Aug 20254011 PMAQI
27th Aug 20254012 AMAQI
27th Aug 2025381 AMAQI
27th Aug 2025412 AMAQI
27th Aug 2025383 AMAQI
27th Aug 2025414 AMAQI
27th Aug 2025405 AMAQI
26°C24/28°C
27th Aug 2025396 AMAQI
27th Aug 2025397 AMAQI
27th Aug 2025438 AMAQI
27th Aug 2025479 AMAQI
27th Aug 20254310 AMAQI
27th Aug 20254711 AMAQI
27th Aug 20254412 PMAQI
27th Aug 2025441 PMAQI
27th Aug 2025422 PMAQI
27th Aug 2025443 PMAQI
27th Aug 2025444 PMAQI
27th Aug 2025405 PMAQI
27th Aug 2025406 PMAQI
27th Aug 2025397 PMAQI
27th Aug 2025438 PMAQI
27th Aug 2025449 PMAQI
27th Aug 20254110 PMAQI
27th Aug 20254111 PMAQI
28th Aug 20254212 AMAQI
28th Aug 2025411 AMAQI
28th Aug 2025412 AMAQI
28th Aug 2025433 AMAQI
28th Aug 2025444 AMAQI
28th Aug 2025495 AMAQI
26°C24/28°C
28th Aug 2025506 AMAQI
28th Aug 2025487 AMAQI
28th Aug 2025498 AMAQI
28th Aug 2025519 AMAQI
28th Aug 20255210 AMAQI
28th Aug 20255111 AMAQI
28th Aug 20255012 PMAQI
28th Aug 2025501 PMAQI
28th Aug 2025522 PMAQI
28th Aug 2025503 PMAQI
28th Aug 2025504 PMAQI
28th Aug 2025475 PMAQI
28th Aug 2025476 PMAQI
28th Aug 2025457 PMAQI
28th Aug 2025468 PMAQI
28th Aug 2025489 PMAQI
28th Aug 20254810 PMAQI
28th Aug 20254911 PMAQI
29th Aug 20254912 AMAQI
29th Aug 2025491 AMAQI
29th Aug 2025492 AMAQI
29th Aug 2025483 AMAQI
29th Aug 2025484 AMAQI
29th Aug 2025475 AMAQI
28°C25/30°C
29th Aug 2025496 AMAQI
29th Aug 2025527 AMAQI
29th Aug 2025508 AMAQI
29th Aug 2025489 AMAQI
29th Aug 20254610 AMAQI
29th Aug 20255211 AMAQI
29th Aug 20254912 PMAQI
29th Aug 2025521 PMAQI
29th Aug 2025512 PMAQI
29th Aug 2025533 PMAQI
29th Aug 2025514 PMAQI
29th Aug 2025525 PMAQI
29th Aug 2025516 PMAQI
29th Aug 2025517 PMAQI
29th Aug 2025508 PMAQI
29th Aug 2025509 PMAQI
29th Aug 20255010 PMAQI
29th Aug 20255011 PMAQI
30th Aug 20255012 AMAQI
30th Aug 2025501 AMAQI
30th Aug 2025482 AMAQI
30th Aug 2025503 AMAQI
30th Aug 2025484 AMAQI
30th Aug 2025505 AMAQI
26°C25/28°C
30th Aug 2025516 AMAQI
30th Aug 2025507 AMAQI
30th Aug 2025498 AMAQI
30th Aug 2025469 AMAQI
30th Aug 20255010 AMAQI
30th Aug 20254311 AMAQI
30th Aug 20254412 PMAQI
30th Aug 2025441 PMAQI
30th Aug 2025452 PMAQI
30th Aug 2025453 PMAQI
30th Aug 2025494 PMAQI
30th Aug 2025475 PMAQI
30th Aug 2025476 PMAQI
30th Aug 2025447 PMAQI
30th Aug 2025458 PMAQI
30th Aug 2025469 PMAQI
30th Aug 20254910 PMAQI
30th Aug 20254711 PMAQI
31st Aug 20254612 AMAQI
31st Aug 2025461 AMAQI
31st Aug 2025482 AMAQI
31st Aug 2025473 AMAQI
31st Aug 2025484 AMAQI
31st Aug 2025415 AMAQI
25°C23/26°C
31st Aug 2025446 AMAQI
31st Aug 2025437 AMAQI
31st Aug 2025478 AMAQI
31st Aug 2025449 AMAQI
31st Aug 20254610 AMAQI
31st Aug 20254411 AMAQI
31st Aug 20254212 PMAQI
31st Aug 2025431 PMAQI
31st Aug 2025412 PMAQI
31st Aug 2025443 PMAQI
31st Aug 2025424 PMAQI
31st Aug 2025385 PMAQI
31st Aug 2025436 PMAQI
31st Aug 2025427 PMAQI
31st Aug 2025438 PMAQI
31st Aug 2025429 PMAQI
31st Aug 20254310 PMAQI
31st Aug 20254211 PMAQI
1st Sep 20254112 AMAQI
1st Sep 2025431 AMAQI
1st Sep 2025422 AMAQI
1st Sep 2025413 AMAQI
1st Sep 2025404 AMAQI
1st Sep 2025405 AMAQI
24°C22/26°C
1st Sep 2025446 AMAQI
1st Sep 2025427 AMAQI
1st Sep 2025428 AMAQI
1st Sep 2025399 AMAQI
1st Sep 20254210 AMAQI
1st Sep 20253811 AMAQI
1st Sep 20253912 PMAQI
1st Sep 2025301 PMAQI
1st Sep 2025412 PMAQI
1st Sep 2025423 PMAQI
1st Sep 2025364 PMAQI
1st Sep 2025405 PMAQI
1st Sep 2025406 PMAQI
1st Sep 2025387 PMAQI
1st Sep 2025398 PMAQI
1st Sep 2025399 PMAQI
1st Sep 20253810 PMAQI
1st Sep 20253811 PMAQI
2nd Sep 20253812 AMAQI
2nd Sep 2025361 AMAQI
2nd Sep 2025382 AMAQI
2nd Sep 2025383 AMAQI
2nd Sep 2025414 AMAQI
2nd Sep 2025385 AMAQI
25°C23/27°C
2nd Sep 2025396 AMAQI
2nd Sep 2025407 AMAQI
2nd Sep 2025448 AMAQI
2nd Sep 2025389 AMAQI
2nd Sep 20254110 AMAQI
2nd Sep 20254011 AMAQI
2nd Sep 20254012 PMAQI
2nd Sep 2025441 PMAQI
2nd Sep 2025432 PMAQI
2nd Sep 2025403 PMAQI
2nd Sep 2025414 PMAQI
2nd Sep 2025325 PMAQI
2nd Sep 2025386 PMAQI
2nd Sep 2025427 PMAQI
2nd Sep 2025408 PMAQI
2nd Sep 2025389 PMAQI
2nd Sep 20253810 PMAQI
2nd Sep 20253811 PMAQI
3rd Sep 20253612 AMAQI
3rd Sep 2025381 AMAQI
3rd Sep 2025372 AMAQI
3rd Sep 2025363 AMAQI
3rd Sep 2025384 AMAQI
3rd Sep 2025345 AMAQI
24°C23/26°C
3rd Sep 2025376 AMAQI
3rd Sep 2025357 AMAQI
3rd Sep 2025378 AMAQI
3rd Sep 2025389 AMAQI
3rd Sep 20253610 AMAQI
3rd Sep 20253611 AMAQI
3rd Sep 20253412 PMAQI
3rd Sep 2025381 PMAQI
3rd Sep 2025382 PMAQI
3rd Sep 2025363 PMAQI
3rd Sep 2025354 PMAQI
3rd Sep 2025365 PMAQI
3rd Sep 2025366 PMAQI
3rd Sep 2025347 PMAQI
3rd Sep 2025368 PMAQI
3rd Sep 2025339 PMAQI
3rd Sep 20253510 PMAQI
3rd Sep 20253511 PMAQI
4th Sep 20253612 AMAQI
4th Sep 2025341 AMAQI
4th Sep 2025342 AMAQI
4th Sep 2025363 AMAQI
4th Sep 2025354 AMAQI
4th Sep 2025375 AMAQI
24°C23/26°C
4th Sep 2025356 AMAQI
4th Sep 2025357 AMAQI
4th Sep 2025378 AMAQI
4th Sep 2025379 AMAQI
4th Sep 20253610 AMAQI
4th Sep 20253411 AMAQI
4th Sep 20253312 PMAQI
4th Sep 2025331 PMAQI
4th Sep 2025382 PMAQI
4th Sep 2025383 PMAQI
4th Sep 2025364 PMAQI
4th Sep 2025365 PMAQI
4th Sep 2025436 PMAQI
4th Sep 2025367 PMAQI
4th Sep 2025368 PMAQI
4th Sep 2025369 PMAQI
4th Sep 20253810 PMAQI
4th Sep 20253611 PMAQI
5th Sep 20253712 AMAQI
5th Sep 2025381 AMAQI
5th Sep 2025362 AMAQI
5th Sep 2025373 AMAQI
5th Sep 2025384 AMAQI
5th Sep 2025425 AMAQI
25°C23/28°C
5th Sep 2025336 AMAQI
5th Sep 2025397 AMAQI
5th Sep 2025348 AMAQI
5th Sep 2025349 AMAQI
5th Sep 20253510 AMAQI
5th Sep 20253811 AMAQI
5th Sep 20253612 PMAQI
5th Sep 2025381 PMAQI
5th Sep 2025392 PMAQI
5th Sep 2025383 PMAQI
5th Sep 2025424 PMAQI
5th Sep 2025415 PMAQI
5th Sep 2025396 PMAQI
5th Sep 2025417 PMAQI
5th Sep 2025428 PMAQI
5th Sep 2025389 PMAQI
5th Sep 20253810 PMAQI
5th Sep 20253611 PMAQI
6th Sep 20253612 AMAQI
6th Sep 2025381 AMAQI
6th Sep 2025382 AMAQI
6th Sep 2025373 AMAQI
6th Sep 2025384 AMAQI
6th Sep 2025425 AMAQI
25°C23/27°C
6th Sep 2025356 AMAQI
6th Sep 2025407 AMAQI
6th Sep 2025388 AMAQI
6th Sep 2025379 AMAQI
6th Sep 20253410 AMAQI
6th Sep 20253411 AMAQI
6th Sep 20253412 PMAQI
6th Sep 2025381 PMAQI
6th Sep 2025382 PMAQI
6th Sep 2025403 PMAQI
6th Sep 2025404 PMAQI
6th Sep 2025405 PMAQI
6th Sep 2025386 PMAQI
6th Sep 2025397 PMAQI
6th Sep 2025408 PMAQI
6th Sep 2025369 PMAQI
6th Sep 20253810 PMAQI
6th Sep 20253811 PMAQI
7th Sep 20253812 AMAQI
7th Sep 2025381 AMAQI
7th Sep 2025362 AMAQI
7th Sep 2025383 AMAQI
7th Sep 2025424 AMAQI
7th Sep 2025415 AMAQI
25°C23/27°C
7th Sep 2025476 AMAQI
7th Sep 2025427 AMAQI
7th Sep 2025388 AMAQI
7th Sep 2025399 AMAQI
7th Sep 20253710 AMAQI
7th Sep 20254011 AMAQI
7th Sep 20254112 PMAQI
7th Sep 2025421 PMAQI
7th Sep 2025472 PMAQI
7th Sep 2025443 PMAQI
7th Sep 2025424 PMAQI
7th Sep 2025425 PMAQI
7th Sep 2025426 PMAQI
7th Sep 2025427 PMAQI
7th Sep 2025408 PMAQI
7th Sep 2025399 PMAQI
7th Sep 20254010 PMAQI
7th Sep 20253911 PMAQI
8th Sep 20253912 AMAQI
8th Sep 2025411 AMAQI
8th Sep 2025412 AMAQI
8th Sep 2025413 AMAQI
8th Sep 2025444 AMAQI
8th Sep 2025405 AMAQI
25°C23/27°C
8th Sep 2025416 AMAQI
8th Sep 2025387 AMAQI
8th Sep 2025388 AMAQI
8th Sep 2025399 AMAQI
8th Sep 20253810 AMAQI
8th Sep 20254211 AMAQI
8th Sep 20254512 PMAQI
8th Sep 2025481 PMAQI
8th Sep 2025472 PMAQI
8th Sep 2025483 PMAQI
8th Sep 2025454 PMAQI
8th Sep 2025435 PMAQI
8th Sep 2025406 PMAQI
8th Sep 2025407 PMAQI
8th Sep 2025418 PMAQI
8th Sep 2025419 PMAQI
8th Sep 20254010 PMAQI
8th Sep 20254111 PMAQI
9th Sep 20254012 AMAQI
9th Sep 2025401 AMAQI
9th Sep 2025392 AMAQI
9th Sep 2025403 AMAQI
9th Sep 2025424 AMAQI
9th Sep 2025485 AMAQI
25°C23/27°C
9th Sep 2025476 AMAQI
9th Sep 2025427 AMAQI
9th Sep 2025458 AMAQI
9th Sep 2025479 AMAQI
9th Sep 20254710 AMAQI
9th Sep 20254911 AMAQI
9th Sep 20255012 PMAQI
9th Sep 2025501 PMAQI
9th Sep 2025512 PMAQI
9th Sep 2025493 PMAQI
9th Sep 2025464 PMAQI
9th Sep 2025465 PMAQI
9th Sep 2025466 PMAQI
9th Sep 2025447 PMAQI
9th Sep 2025428 PMAQI
9th Sep 2025439 PMAQI
9th Sep 20254410 PMAQI
9th Sep 20254511 PMAQI
10th Sep 20254412 AMAQI
10th Sep 2025441 AMAQI
10th Sep 2025422 AMAQI
10th Sep 2025423 AMAQI
10th Sep 2025424 AMAQI
10th Sep 2025405 AMAQI
25°C24/27°C
10th Sep 2025446 AMAQI
10th Sep 2025427 AMAQI
10th Sep 2025498 AMAQI
10th Sep 2025509 AMAQI
10th Sep 20254610 AMAQI
10th Sep 20254811 AMAQI
10th Sep 20255012 PMAQI
10th Sep 2025541 PMAQI
10th Sep 2025542 PMAQI
10th Sep 2025563 PMAQI
10th Sep 2025444 PMAQI
10th Sep 2025435 PMAQI
10th Sep 2025426 PMAQI
10th Sep 2025447 PMAQI
10th Sep 2025478 PMAQI
10th Sep 2025469 PMAQI
10th Sep 20254410 PMAQI
10th Sep 20254711 PMAQI
11th Sep 20254612 AMAQI
11th Sep 2025461 AMAQI
11th Sep 2025452 AMAQI
11th Sep 2025423 AMAQI
11th Sep 2025424 AMAQI
11th Sep 2025395 AMAQI
25°C24/26°C
11th Sep 2025406 AMAQI
11th Sep 2025407 AMAQI
11th Sep 2025408 AMAQI
11th Sep 2025419 AMAQI
11th Sep 20253810 AMAQI
11th Sep 20254111 AMAQI
11th Sep 20253612 PMAQI
11th Sep 2025391 PMAQI
11th Sep 2025412 PMAQI
11th Sep 2025443 PMAQI
11th Sep 2025424 PMAQI
11th Sep 2025395 PMAQI
11th Sep 2025426 PMAQI
11th Sep 2025407 PMAQI
11th Sep 2025418 PMAQI
11th Sep 2025419 PMAQI
11th Sep 20253910 PMAQI
11th Sep 20253911 PMAQI
12th Sep 20254012 AMAQI
12th Sep 2025401 AMAQI
12th Sep 2025412 AMAQI
12th Sep 2025403 AMAQI
12th Sep 2025384 AMAQI
12th Sep 2025405 AMAQI
24°C21/25°C
12th Sep 2025416 AMAQI
12th Sep 2025437 AMAQI
12th Sep 2025398 AMAQI
12th Sep 2025419 AMAQI
12th Sep 20254610 AMAQI
12th Sep 20254011 AMAQI
12th Sep 20253812 PMAQI
12th Sep 2025381 PMAQI
12th Sep 2025382 PMAQI
12th Sep 2025413 PMAQI
12th Sep 2025414 PMAQI
12th Sep 2025405 PMAQI
12th Sep 2025426 PMAQI
12th Sep 2025387 PMAQI
12th Sep 2025368 PMAQI
12th Sep 2025389 PMAQI
12th Sep 20253910 PMAQI
12th Sep 20253911 PMAQI
13th Sep 20253812 AMAQI
13th Sep 2025401 AMAQI
13th Sep 2025382 AMAQI
13th Sep 2025383 AMAQI
13th Sep 2025394 AMAQI
13th Sep 2025385 AMAQI
24°C23/26°C
13th Sep 2025416 AMAQI
13th Sep 2025457 AMAQI
13th Sep 2025408 AMAQI
13th Sep 2025419 AMAQI
13th Sep 20254010 AMAQI
13th Sep 20254011 AMAQI
13th Sep 20254112 PMAQI
13th Sep 2025401 PMAQI
13th Sep 2025382 PMAQI
13th Sep 2025383 PMAQI
13th Sep 2025404 PMAQI
13th Sep 2025435 PMAQI
13th Sep 2025416 PMAQI
13th Sep 2025427 PMAQI
13th Sep 2025408 PMAQI
13th Sep 2025409 PMAQI
13th Sep 20253910 PMAQI
13th Sep 20254011 PMAQI
14th Sep 20254012 AMAQI
14th Sep 2025391 AMAQI
14th Sep 2025392 AMAQI
14th Sep 2025383 AMAQI
14th Sep 2025404 AMAQI
14th Sep 2025385 AMAQI
24°C22/26°C
14th Sep 2025426 AMAQI
14th Sep 2025407 AMAQI
14th Sep 2025438 AMAQI
14th Sep 2025359 AMAQI
14th Sep 20254010 AMAQI
14th Sep 20254311 AMAQI
14th Sep 20254412 PMAQI
14th Sep 2025431 PMAQI
14th Sep 2025392 PMAQI
14th Sep 2025383 PMAQI
14th Sep 2025394 PMAQI
14th Sep 2025385 PMAQI
14th Sep 2025396 PMAQI
14th Sep 2025427 PMAQI
14th Sep 2025388 PMAQI
14th Sep 2025409 PMAQI
14th Sep 20254010 PMAQI
14th Sep 20254011 PMAQI
15th Sep 20253912 AMAQI
15th Sep 2025401 AMAQI
15th Sep 2025392 AMAQI
15th Sep 2025393 AMAQI
15th Sep 2025384 AMAQI
15th Sep 2025375 AMAQI
24°C23/26°C
15th Sep 2025376 AMAQI
15th Sep 2025367 AMAQI
15th Sep 2025368 AMAQI
15th Sep 2025349 AMAQI
15th Sep 20253710 AMAQI
15th Sep 20253811 AMAQI
15th Sep 20253712 PMAQI
15th Sep 2025371 PMAQI
15th Sep 2025372 PMAQI
15th Sep 2025383 PMAQI
15th Sep 2025394 PMAQI
15th Sep 2025395 PMAQI
15th Sep 2025366 PMAQI
15th Sep 2025407 PMAQI
15th Sep 2025428 PMAQI
15th Sep 2025389 PMAQI
15th Sep 20253610 PMAQI
15th Sep 20253911 PMAQI
16th Sep 20253912 AMAQI
16th Sep 2025381 AMAQI
16th Sep 2025372 AMAQI
16th Sep 2025363 AMAQI
16th Sep 2025344 AMAQI
16th Sep 2025345 AMAQI
25°C23/27°C
16th Sep 2025326 AMAQI
16th Sep 2025347 AMAQI
16th Sep 2025358 AMAQI
16th Sep 2025359 AMAQI
16th Sep 20253810 AMAQI
16th Sep 20253711 AMAQI
16th Sep 20253012 PMAQI
16th Sep 2025331 PMAQI
16th Sep 2025332 PMAQI
16th Sep 2025333 PMAQI
16th Sep 2025344 PMAQI
16th Sep 2025335 PMAQI
16th Sep 2025346 PMAQI
16th Sep 2025347 PMAQI
16th Sep 2025348 PMAQI
16th Sep 2025349 PMAQI
16th Sep 20253510 PMAQI
16th Sep 20253511 PMAQI
17th Sep 20253412 AMAQI
17th Sep 2025321 AMAQI
17th Sep 2025342 AMAQI
17th Sep 2025323 AMAQI
17th Sep 2025324 AMAQI
17th Sep 2025305 AMAQI
25°C23/26°C
17th Sep 2025346 AMAQI
17th Sep 2025347 AMAQI
17th Sep 2025338 AMAQI
17th Sep 2025359 AMAQI
17th Sep 20253410 AMAQI
17th Sep 20253211 AMAQI
17th Sep 20253612 PMAQI
17th Sep 2025361 PMAQI
17th Sep 2025322 PMAQI
17th Sep 2025293 PMAQI
17th Sep 2025304 PMAQI
17th Sep 2025305 PMAQI
17th Sep 2025306 PMAQI
17th Sep 2025327 PMAQI
17th Sep 2025328 PMAQI
17th Sep 2025329 PMAQI
17th Sep 20253110 PMAQI
17th Sep 20253111 PMAQI
18th Sep 20253212 AMAQI
18th Sep 2025321 AMAQI
18th Sep 2025312 AMAQI
18th Sep 2025313 AMAQI
18th Sep 2025324 AMAQI
18th Sep 2025305 AMAQI
25°C24/27°C
18th Sep 2025316 AMAQI
18th Sep 2025327 AMAQI
18th Sep 2025328 AMAQI
18th Sep 2025309 AMAQI
18th Sep 20253110 AMAQI
18th Sep 20253111 AMAQI
18th Sep 20253212 PMAQI
18th Sep 2025321 PMAQI
18th Sep 2025322 PMAQI
18th Sep 2025303 PMAQI
18th Sep 2025294 PMAQI
18th Sep 2025295 PMAQI
18th Sep 2025286 PMAQI
18th Sep 2025287 PMAQI
18th Sep 2025308 PMAQI
18th Sep 2025329 PMAQI
18th Sep 20253110 PMAQI
18th Sep 20253211 PMAQI
19th Sep 20253012 AMAQI
19th Sep 2025311 AMAQI
19th Sep 2025302 AMAQI
19th Sep 2025303 AMAQI
19th Sep 2025294 AMAQI
19th Sep 2025285 AMAQI
26°C22/30°C
19th Sep 2025296 AMAQI
19th Sep 2025287 AMAQI
19th Sep 2025298 AMAQI
19th Sep 2025309 AMAQI
19th Sep 20252910 AMAQI
19th Sep 20252911 AMAQI
19th Sep 20252812 PMAQI
19th Sep 2025261 PMAQI
19th Sep 2025262 PMAQI
19th Sep 2025273 PMAQI
19th Sep 2025274 PMAQI
19th Sep 2025285 PMAQI
19th Sep 2025276 PMAQI
19th Sep 2025297 PMAQI
19th Sep 2025288 PMAQI
19th Sep 2025289 PMAQI
19th Sep 20252810 PMAQI
19th Sep 20252811 PMAQI
20th Sep 20252812 AMAQI
20th Sep 2025281 AMAQI
20th Sep 2025292 AMAQI
20th Sep 2025303 AMAQI
20th Sep 2025264 AMAQI
20th Sep 2025285 AMAQI
26°C23/30°C
20th Sep 2025286 AMAQI
20th Sep 2025277 AMAQI
20th Sep 2025288 AMAQI
20th Sep 2025279 AMAQI
20th Sep 20252810 AMAQI
20th Sep 20252711 AMAQI
20th Sep 20252712 PMAQI
20th Sep 2025251 PMAQI
20th Sep 2025252 PMAQI
20th Sep 2025273 PMAQI
20th Sep 2025264 PMAQI
20th Sep 2025275 PMAQI
20th Sep 2025276 PMAQI
20th Sep 2025287 PMAQI
20th Sep 2025288 PMAQI
20th Sep 2025309 PMAQI
20th Sep 20253110 PMAQI
20th Sep 20253011 PMAQI
21st Sep 20252812 AMAQI
21st Sep 2025281 AMAQI
21st Sep 2025292 AMAQI
21st Sep 2025303 AMAQI
21st Sep 2025314 AMAQI
21st Sep 2025275 AMAQI
26°C24/28°C
21st Sep 2025316 AMAQI
21st Sep 2025307 AMAQI
21st Sep 2025288 AMAQI
21st Sep 2025299 AMAQI
21st Sep 20253110 AMAQI
21st Sep 20252811 AMAQI
21st Sep 20252812 PMAQI
21st Sep 2025271 PMAQI
21st Sep 2025282 PMAQI
21st Sep 2025283 PMAQI
21st Sep 2025294 PMAQI
21st Sep 2025305 PMAQI
21st Sep 2025306 PMAQI
21st Sep 2025317 PMAQI
21st Sep 2025298 PMAQI
21st Sep 2025309 PMAQI
21st Sep 20253010 PMAQI
21st Sep 20252911 PMAQI
22nd Sep 20252812 AMAQI
22nd Sep 2025291 AMAQI
22nd Sep 2025282 AMAQI
22nd Sep 2025283 AMAQI
22nd Sep 2025304 AMAQI
22nd Sep 2025255 AMAQI
25°C23/27°C
22nd Sep 2025276 AMAQI
6 AM12 PM
7 PM
12 AM
5 AM
--°C/°C
Day time
Avg. Highest Time
6 AM - 7 PM
40AQI
14 hours / Day
420 hours / Month
Avg. Lowest Time
6 AM - 7 PM
40AQI
14 hours / Day
420 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 6 AM to 7 PM (Avg. 40), while the lowest AQI was between 6 AM to 7 PM (Avg. 40).
Night time
Avg. Highest Time
12 AM - 11 PM
39AQI
10 hours / Day
300 hours / Month
Avg. Lowest Time
12 AM - 11 PM
39AQI
10 hours / Day
300 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 12 AM to 11 PM (Avg. 39), while the lowest AQI was between 12 AM to 11 PM (Avg. 39).
2025 Days Vs Air Quality
Astronomical Observatory, Naples, Campania, Italy
2025
52%
136
48%
127
Total number of days with different AQI categories in last 265 days in 2025 (100 days remaining)
Good
136 DaysModerate
127 DaysPoor
0 DaysUnhealthy
0 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 52%
Health Risk Level:
Considerable
In 2025, 52% of 265 days were within WHO’s safe air quality limits, and 48% exceeded them. The risk of health issues is Considerable, with potential for conditions in sensitive individuals.
Annual Air Quality Insights
Astronomical Observatory, Naples, Campania, Italy
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.
-1th undefined 2025
-1th undefined 2025
-1th undefined 2025
1st January 2025
100AQI
100AQI
2nd January 2025
89AQI
89AQI
3rd January 2025
78AQI
78AQI
4th January 2025
73AQI
73AQI
5th January 2025
71AQI
71AQI
6th January 2025
67AQI
67AQI
7th January 2025
66AQI
66AQI
8th January 2025
62AQI
62AQI
9th January 2025
59AQI
59AQI
10th January 2025
56AQI
56AQI
11th January 2025
54AQI
54AQI
12th January 2025
50AQI
50AQI
13th January 2025
42AQI
42AQI
14th January 2025
43AQI
43AQI
15th January 2025
50AQI
50AQI
16th January 2025
52AQI
52AQI
17th January 2025
52AQI
52AQI
18th January 2025
55AQI
55AQI
19th January 2025
60AQI
60AQI
20th January 2025
61AQI
61AQI
21st January 2025
61AQI
61AQI
22nd January 2025
65AQI
65AQI
23rd January 2025
63AQI
63AQI
24th January 2025
64AQI
64AQI
25th January 2025
65AQI
65AQI
26th January 2025
65AQI
65AQI
27th January 2025
62AQI
62AQI
28th January 2025
59AQI
59AQI
29th January 2025
58AQI
58AQI
30th January 2025
59AQI
59AQI
31st January 2025
58AQI
58AQI
1st February 2025
59AQI
59AQI
2nd February 2025
58AQI
58AQI
3rd February 2025
57AQI
57AQI
4th February 2025
59AQI
59AQI
5th February 2025
60AQI
60AQI
6th February 2025
59AQI
59AQI
7th February 2025
59AQI
59AQI
8th February 2025
62AQI
62AQI
9th February 2025
65AQI
65AQI
10th February 2025
65AQI
65AQI
11th February 2025
65AQI
65AQI
12th February 2025
68AQI
68AQI
13th February 2025
69AQI
69AQI
14th February 2025
66AQI
66AQI
15th February 2025
64AQI
64AQI
16th February 2025
62AQI
62AQI
17th February 2025
62AQI
62AQI
18th February 2025
62AQI
62AQI
19th February 2025
62AQI
62AQI
20th February 2025
61AQI
61AQI
21st February 2025
63AQI
63AQI
22nd February 2025
65AQI
65AQI
23rd February 2025
67AQI
67AQI
24th February 2025
68AQI
68AQI
25th February 2025
74AQI
74AQI
26th February 2025
71AQI
71AQI
27th February 2025
65AQI
65AQI
28th February 2025
61AQI
61AQI
1st March 2025
60AQI
60AQI
2nd March 2025
58AQI
58AQI
3rd March 2025
58AQI
58AQI
4th March 2025
57AQI
57AQI
5th March 2025
58AQI
58AQI
6th March 2025
60AQI
60AQI
7th March 2025
61AQI
61AQI
8th March 2025
65AQI
65AQI
9th March 2025
67AQI
67AQI
10th March 2025
67AQI
67AQI
11th March 2025
64AQI
64AQI
12th March 2025
62AQI
62AQI
13th March 2025
58AQI
58AQI
14th March 2025
55AQI
55AQI
15th March 2025
56AQI
56AQI
16th March 2025
51AQI
51AQI
17th March 2025
46AQI
46AQI
18th March 2025
46AQI
46AQI
19th March 2025
47AQI
47AQI
20th March 2025
52AQI
52AQI
21st March 2025
53AQI
53AQI
22nd March 2025
54AQI
54AQI
23rd March 2025
56AQI
56AQI
24th March 2025
56AQI
56AQI
25th March 2025
57AQI
57AQI
26th March 2025
56AQI
56AQI
27th March 2025
53AQI
53AQI
28th March 2025
54AQI
54AQI
29th March 2025
54AQI
54AQI
30th March 2025
51AQI
51AQI
31st March 2025
49AQI
49AQI
1st April 2025
42AQI
42AQI
2nd April 2025
42AQI
42AQI
3rd April 2025
47AQI
47AQI
4th April 2025
48AQI
48AQI
5th April 2025
50AQI
50AQI
6th April 2025
46AQI
46AQI
7th April 2025
43AQI
43AQI
8th April 2025
41AQI
41AQI
9th April 2025
45AQI
45AQI
10th April 2025
48AQI
48AQI
11th April 2025
50AQI
50AQI
12th April 2025
51AQI
51AQI
13th April 2025
52AQI
52AQI
14th April 2025
56AQI
56AQI
15th April 2025
56AQI
56AQI
16th April 2025
59AQI
59AQI
17th April 2025
57AQI
57AQI
18th April 2025
54AQI
54AQI
19th April 2025
52AQI
52AQI
20th April 2025
52AQI
52AQI
21st April 2025
50AQI
50AQI
22nd April 2025
45AQI
45AQI
23rd April 2025
44AQI
44AQI
24th April 2025
43AQI
43AQI
25th April 2025
43AQI
43AQI
26th April 2025
42AQI
42AQI
27th April 2025
40AQI
40AQI
28th April 2025
42AQI
42AQI
29th April 2025
43AQI
43AQI
30th April 2025
45AQI
45AQI
1st May 2025
48AQI
48AQI
2nd May 2025
49AQI
49AQI
3rd May 2025
43AQI
43AQI
4th May 2025
39AQI
39AQI
5th May 2025
38AQI
38AQI
6th May 2025
36AQI
36AQI
7th May 2025
36AQI
36AQI
8th May 2025
35AQI
35AQI
9th May 2025
37AQI
37AQI
10th May 2025
37AQI
37AQI
11th May 2025
39AQI
39AQI
12th May 2025
36AQI
36AQI
13th May 2025
36AQI
36AQI
14th May 2025
37AQI
37AQI
15th May 2025
36AQI
36AQI
16th May 2025
35AQI
35AQI
17th May 2025
33AQI
33AQI
18th May 2025
34AQI
34AQI
19th May 2025
35AQI
35AQI
20th May 2025
35AQI
35AQI
21st May 2025
37AQI
37AQI
22nd May 2025
36AQI
36AQI
23rd May 2025
34AQI
34AQI
24th May 2025
36AQI
36AQI
25th May 2025
34AQI
34AQI
26th May 2025
35AQI
35AQI
27th May 2025
35AQI
35AQI
28th May 2025
36AQI
36AQI
29th May 2025
36AQI
36AQI
30th May 2025
35AQI
35AQI
31st May 2025
35AQI
35AQI
1st June 2025
38AQI
38AQI
2nd June 2025
37AQI
37AQI
3rd June 2025
38AQI
38AQI
4th June 2025
40AQI
40AQI
5th June 2025
44AQI
44AQI
6th June 2025
47AQI
47AQI
7th June 2025
48AQI
48AQI
8th June 2025
45AQI
45AQI
9th June 2025
50AQI
50AQI
10th June 2025
55AQI
55AQI
11th June 2025
58AQI
58AQI
12th June 2025
60AQI
60AQI
13th June 2025
62AQI
62AQI
14th June 2025
62AQI
62AQI
15th June 2025
60AQI
60AQI
16th June 2025
58AQI
58AQI
17th June 2025
55AQI
55AQI
18th June 2025
54AQI
54AQI
19th June 2025
53AQI
53AQI
20th June 2025
53AQI
53AQI
21st June 2025
56AQI
56AQI
22nd June 2025
59AQI
59AQI
23rd June 2025
55AQI
55AQI
24th June 2025
54AQI
54AQI
25th June 2025
53AQI
53AQI
26th June 2025
54AQI
54AQI
27th June 2025
54AQI
54AQI
28th June 2025
52AQI
52AQI
29th June 2025
50AQI
50AQI
30th June 2025
49AQI
49AQI
1st July 2025
50AQI
50AQI
2nd July 2025
52AQI
52AQI
3rd July 2025
52AQI
52AQI
4th July 2025
52AQI
52AQI
5th July 2025
53AQI
53AQI
6th July 2025
53AQI
53AQI
7th July 2025
50AQI
50AQI
8th July 2025
48AQI
48AQI
9th July 2025
45AQI
45AQI
10th July 2025
40AQI
40AQI
11th July 2025
36AQI
36AQI
12th July 2025
40AQI
40AQI
13th July 2025
41AQI
41AQI
14th July 2025
42AQI
42AQI
15th July 2025
43AQI
43AQI
16th July 2025
44AQI
44AQI
17th July 2025
46AQI
46AQI
18th July 2025
44AQI
44AQI
19th July 2025
43AQI
43AQI
20th July 2025
45AQI
45AQI
21st July 2025
45AQI
45AQI
22nd July 2025
43AQI
43AQI
23rd July 2025
40AQI
40AQI
24th July 2025
41AQI
41AQI
25th July 2025
45AQI
45AQI
26th July 2025
50AQI
50AQI
27th July 2025
46AQI
46AQI
28th July 2025
44AQI
44AQI
29th July 2025
40AQI
40AQI
30th July 2025
39AQI
39AQI
31st July 2025
41AQI
41AQI
1st August 2025
40AQI
40AQI
2nd August 2025
39AQI
39AQI
3rd August 2025
40AQI
40AQI
4th August 2025
46AQI
46AQI
5th August 2025
45AQI
45AQI
6th August 2025
46AQI
46AQI
7th August 2025
46AQI
46AQI
8th August 2025
44AQI
44AQI
9th August 2025
45AQI
45AQI
10th August 2025
47AQI
47AQI
11th August 2025
51AQI
51AQI
12th August 2025
56AQI
56AQI
13th August 2025
60AQI
60AQI
14th August 2025
60AQI
60AQI
15th August 2025
58AQI
58AQI
16th August 2025
59AQI
59AQI
17th August 2025
58AQI
58AQI
18th August 2025
58AQI
58AQI
19th August 2025
56AQI
56AQI
20th August 2025
55AQI
55AQI
21st August 2025
53AQI
53AQI
22nd August 2025
51AQI
51AQI
23rd August 2025
47AQI
47AQI
24th August 2025
44AQI
44AQI
25th August 2025
42AQI
42AQI
26th August 2025
40AQI
40AQI
27th August 2025
42AQI
42AQI
28th August 2025
47AQI
47AQI
29th August 2025
50AQI
50AQI
30th August 2025
47AQI
47AQI
31st August 2025
44AQI
44AQI
1st September 2025
40AQI
40AQI
2nd September 2025
39AQI
39AQI
3rd September 2025
36AQI
36AQI
4th September 2025
36AQI
36AQI
5th September 2025
38AQI
38AQI
6th September 2025
38AQI
38AQI
7th September 2025
41AQI
41AQI
8th September 2025
42AQI
42AQI
9th September 2025
45AQI
45AQI
10th September 2025
46AQI
46AQI
11th September 2025
41AQI
41AQI
12th September 2025
40AQI
40AQI
13th September 2025
40AQI
40AQI
14th September 2025
40AQI
40AQI
15th September 2025
38AQI
38AQI
16th September 2025
35AQI
35AQI
17th September 2025
32AQI
32AQI
18th September 2025
31AQI
31AQI
19th September 2025
28AQI
28AQI
20th September 2025
28AQI
28AQI
21st September 2025
22nd September 2025
23rd September 2025
24th September 2025
25th September 2025
26th September 2025
27th September 2025
28th September 2025
29th September 2025
30th September 2025
1st October 2025
2nd October 2025
3rd October 2025
4th October 2025
5th October 2025
6th October 2025
7th October 2025
8th October 2025
9th October 2025
10th October 2025
11th October 2025
12th October 2025
13th October 2025
14th October 2025
15th October 2025
16th October 2025
17th October 2025
18th October 2025
19th October 2025
20th October 2025
21st October 2025
22nd October 2025
23rd October 2025
24th October 2025
25th October 2025
26th October 2025
27th October 2025
28th October 2025
29th October 2025
30th October 2025
31st October 2025
1st November 2025
2nd November 2025
3rd November 2025
4th November 2025
5th November 2025
6th November 2025
7th November 2025
8th November 2025
9th November 2025
10th November 2025
11th November 2025
12th November 2025
13th November 2025
14th November 2025
15th November 2025
16th November 2025
17th November 2025
18th November 2025
19th November 2025
20th November 2025
21st November 2025
22nd November 2025
23rd November 2025
24th November 2025
25th November 2025
26th November 2025
27th November 2025
28th November 2025
29th November 2025
30th November 2025
1st December 2025
2nd December 2025
3rd December 2025
4th December 2025
5th December 2025
6th December 2025
7th December 2025
8th December 2025
9th December 2025
10th December 2025
11th December 2025
12th December 2025
13th December 2025
14th December 2025
15th December 2025
16th December 2025
17th December 2025
18th December 2025
19th December 2025
20th December 2025
21st December 2025
22nd December 2025
23rd December 2025
24th December 2025
25th December 2025
26th December 2025
27th December 2025
28th December 2025
29th December 2025
30th December 2025
31st December 2025
62AQI
64AQI
56AQI
48AQI
37AQI
52AQI
45AQI
49AQI
38AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202550AQI
4
27
28
4
27
21
9
31
11
19
26
5
19
12
20
136
127
Highest AQI recorded in
February64AQI
Lowest AQI recorded in
May37AQI
202438AQI
30
29
17
30
31
30
31
30
27
21
10
5
24
1
5
26
286
60
1
Highest AQI recorded in
November63AQI
Lowest AQI recorded in
January22AQI
202328AQI
3
17
24
31
29
21
28
30
31
26
30
270
Highest AQI recorded in
August34AQI
Lowest AQI recorded in
February19AQI
202250AQI
20
9
1
1
14
8
5
24
2
24
3
20
10
14
14
21
3
1
119
71
3
1
Highest AQI recorded in
March63AQI
Lowest AQI recorded in
August29AQI
202133AQI
30
28
31
30
30
13
16
13
18
18
13
13
17
25
6
25
5
25
5
1
281
80
1
Highest AQI recorded in
June54AQI
Lowest AQI recorded in
January13AQI
202020AQI
13
21
16
30
31
30
1
30
31
30
31
263
1
Highest AQI recorded in
August28AQI
Lowest AQI recorded in
December13AQI
Most & Least Polluted Years Over the Last 6 Years
Most Polluted Year Recorded
2025(Avg.)
50AQILeast Polluted Year Recorded
2020(Avg.)
20AQIAstronomical Observatory's annual 2025 AQI (50) shows an average percentage change of 62.6% (worsened AQI) compared to previous years: 2020 (20), 2021 (33), 2022 (50), 2023 (28), 2024 (38).
