SmogRank / Italy / Campania

Air quality in Naples

Campania, Italy. PM2.5 from 7 reference monitors, updated hourly.

14.8 µg/m³
Moderate

Latest hour (02:00 UTC), 1.0× the WHO 24-hour guideline.

Rank

24 h
–
not enough data
7 days
#669
of 2,341 · 9.1 µg/m³
30 days
#478
of 2,337 · 9.1 µg/m³
Year
–
not enough data

Last 4 days, hour by hour

15302026-09-30 20:00 UTC: 11.5 µg/m³2026-09-30 23:00 UTC: 14.0 µg/m³2026-10-01 00:00 UTC: 15.5 µg/m³2026-10-01 01:00 UTC: 12.1 µg/m³2026-10-01 02:00 UTC: 14.8 µg/m³Sep 28Sep 29Sep 30

Times in UTC. Dashed line: WHO 24-hour guideline (15 µg/m³).

Every day for a year

SepNovDecJanFebMarAprMayJunJulAugSepMonWedFri2025-09-29: no data2025-09-30: no data2025-10-01: no data2025-10-02: no data2025-10-03: no data2025-10-04: no data2025-10-05: no data2025-10-06: no data2025-10-07: no data2025-10-08: no data2025-10-09: no data2025-10-10: no data2025-10-11: no data2025-10-12: no data2025-10-13: no data2025-10-14: no data2025-10-15: no data2025-10-16: no data2025-10-17: no data2025-10-18: no data2025-10-19: no data2025-10-20: no data2025-10-21: 12.9 µg/m³2025-10-22: 10.6 µg/m³2025-10-23: 11.4 µg/m³2025-10-24: 12.7 µg/m³2025-10-25: no data2025-10-26: no data2025-10-27: no data2025-10-28: no data2025-10-29: no data2025-10-30: no data2025-10-31: no data2025-11-01: no data2025-11-02: no data2025-11-03: no data2025-11-04: no data2025-11-05: no data2025-11-06: no data2025-11-07: no data2025-11-08: no data2025-11-09: no data2025-11-10: no data2025-11-11: no data2025-11-12: no data2025-11-13: no data2025-11-14: no data2025-11-15: no data2025-11-16: no data2025-11-17: no data2025-11-18: no data2025-11-19: no data2025-11-20: no data2025-11-21: no data2025-11-22: no data2025-11-23: no data2025-11-24: no data2025-11-25: no data2025-11-26: no data2025-11-27: no data2025-11-28: no data2025-11-29: no data2025-11-30: no data2025-12-01: no data2025-12-02: no data2025-12-03: no data2025-12-04: no data2025-12-05: no data2025-12-06: no data2025-12-07: no data2025-12-08: no data2025-12-09: no data2025-12-10: no data2025-12-11: no data2025-12-12: no data2025-12-13: no data2025-12-14: no data2025-12-15: no data2025-12-16: no data2025-12-17: no data2025-12-18: no data2025-12-19: no data2025-12-20: no data2025-12-21: no data2025-12-22: no data2025-12-23: no data2025-12-24: no data2025-12-25: no data2025-12-26: no data2025-12-27: no data2025-12-28: no data2025-12-29: no data2025-12-30: no data2025-12-31: no data2026-01-01: no data2026-01-02: no data2026-01-03: no data2026-01-04: no data2026-01-05: no data2026-01-06: no data2026-01-07: no data2026-01-08: no data2026-01-09: no data2026-01-10: no data2026-01-11: no data2026-01-12: no data2026-01-13: no data2026-01-14: no data2026-01-15: no data2026-01-16: no data2026-01-17: no data2026-01-18: no data2026-01-19: no data2026-01-20: no data2026-01-21: 5.7 µg/m³2026-01-22: no data2026-01-23: 20.1 µg/m³2026-01-24: no data2026-01-25: 8.6 µg/m³2026-01-26: no data2026-01-27: no data2026-01-28: no data2026-01-29: no data2026-01-30: no data2026-01-31: no data2026-02-01: no data2026-02-02: no data2026-02-03: no data2026-02-04: no data2026-02-05: no data2026-02-06: no data2026-02-07: no data2026-02-08: no data2026-02-09: no data2026-02-10: no data2026-02-11: no data2026-02-12: no data2026-02-13: no data2026-02-14: no data2026-02-15: no data2026-02-16: no data2026-02-17: no data2026-02-18: no data2026-02-19: no data2026-02-20: no data2026-02-21: no data2026-02-22: no data2026-02-23: no data2026-02-24: no data2026-02-25: no data2026-02-26: no data2026-02-27: no data2026-02-28: no data2026-03-01: no data2026-03-02: no data2026-03-03: no data2026-03-04: no data2026-03-05: no data2026-03-06: no data2026-03-07: no data2026-03-08: no data2026-03-09: no data2026-03-10: no data2026-03-11: no data2026-03-12: no data2026-03-13: no data2026-03-14: no data2026-03-15: no data2026-03-16: no data2026-03-17: no data2026-03-18: no data2026-03-19: no data2026-03-20: no data2026-03-21: no data2026-03-22: no data2026-03-23: no data2026-03-24: no data2026-03-25: no data2026-03-26: no data2026-03-27: no data2026-03-28: no data2026-03-29: no data2026-03-30: 7.8 µg/m³2026-03-31: 3.5 µg/m³2026-04-01: 1.9 µg/m³2026-04-02: no data2026-04-03: no data2026-04-04: no data2026-04-05: no data2026-04-06: no data2026-04-07: no data2026-04-08: 11.2 µg/m³2026-04-09: 9.7 µg/m³2026-04-10: 8.5 µg/m³2026-04-11: 11.8 µg/m³2026-04-12: 18.1 µg/m³2026-04-13: 16.0 µg/m³2026-04-14: no data2026-04-15: no data2026-04-16: 13.2 µg/m³2026-04-17: 18.5 µg/m³2026-04-18: 13.0 µg/m³2026-04-19: 11.9 µg/m³2026-04-20: 15.3 µg/m³2026-04-21: no data2026-04-22: 9.3 µg/m³2026-04-23: 10.1 µg/m³2026-04-24: 13.0 µg/m³2026-04-25: 13.2 µg/m³2026-04-26: 10.0 µg/m³2026-04-27: 12.7 µg/m³2026-04-28: 13.5 µg/m³2026-04-29: 14.7 µg/m³2026-04-30: 9.4 µg/m³2026-05-01: 5.9 µg/m³2026-05-02: 6.3 µg/m³2026-05-03: 9.7 µg/m³2026-05-04: no data2026-05-05: 14.8 µg/m³2026-05-06: 15.9 µg/m³2026-05-07: 10.0 µg/m³2026-05-08: 12.0 µg/m³2026-05-09: 13.4 µg/m³2026-05-10: 14.0 µg/m³2026-05-11: 11.9 µg/m³2026-05-12: 6.1 µg/m³2026-05-13: 5.6 µg/m³2026-05-14: 6.9 µg/m³2026-05-15: 6.6 µg/m³2026-05-16: 7.3 µg/m³2026-05-17: 5.8 µg/m³2026-05-18: 4.5 µg/m³2026-05-19: 5.9 µg/m³2026-05-20: 8.1 µg/m³2026-05-21: 8.8 µg/m³2026-05-22: 8.2 µg/m³2026-05-23: 11.3 µg/m³2026-05-24: 6.5 µg/m³2026-05-25: no data2026-05-26: no data2026-05-27: 13.5 µg/m³2026-05-28: 15.6 µg/m³2026-05-29: 17.6 µg/m³2026-05-30: 10.7 µg/m³2026-05-31: 12.5 µg/m³2026-06-01: 9.3 µg/m³2026-06-02: 10.4 µg/m³2026-06-03: 10.2 µg/m³2026-06-04: 10.0 µg/m³2026-06-05: no data2026-06-06: 7.5 µg/m³2026-06-07: 7.2 µg/m³2026-06-08: no data2026-06-09: no data2026-06-10: no data2026-06-11: 7.5 µg/m³2026-06-12: no data2026-06-13: no data2026-06-14: 7.1 µg/m³2026-06-15: 7.7 µg/m³2026-06-16: 10.5 µg/m³2026-06-17: 13.2 µg/m³2026-06-18: 14.3 µg/m³2026-06-19: 12.2 µg/m³2026-06-20: 11.7 µg/m³2026-06-21: 12.8 µg/m³2026-06-22: 14.0 µg/m³2026-06-23: 17.0 µg/m³2026-06-24: 17.8 µg/m³2026-06-25: 12.5 µg/m³2026-06-26: 13.1 µg/m³2026-06-27: no data2026-06-28: no data2026-06-29: no data2026-06-30: 15.7 µg/m³2026-07-01: 17.6 µg/m³2026-07-02: 11.5 µg/m³2026-07-03: 9.7 µg/m³2026-07-04: 8.3 µg/m³2026-07-05: 5.0 µg/m³2026-07-06: 10.2 µg/m³2026-07-07: 10.3 µg/m³2026-07-08: 7.8 µg/m³2026-07-09: 8.8 µg/m³2026-07-10: 9.8 µg/m³2026-07-11: 10.3 µg/m³2026-07-12: 12.0 µg/m³2026-07-13: 8.0 µg/m³2026-07-14: 12.6 µg/m³2026-07-15: 12.7 µg/m³2026-07-16: 14.6 µg/m³2026-07-17: 15.0 µg/m³2026-07-18: 12.9 µg/m³2026-07-19: 11.8 µg/m³2026-07-20: 15.7 µg/m³2026-07-21: 18.0 µg/m³2026-07-22: 15.0 µg/m³2026-07-23: 11.0 µg/m³2026-07-24: 9.5 µg/m³2026-07-25: 5.8 µg/m³2026-07-26: 9.4 µg/m³2026-07-27: no data2026-07-28: no data2026-07-29: 18.7 µg/m³2026-07-30: 19.8 µg/m³2026-07-31: 19.5 µg/m³2026-08-01: 18.2 µg/m³2026-08-02: 14.7 µg/m³2026-08-03: 15.5 µg/m³2026-08-04: 16.9 µg/m³2026-08-05: 15.7 µg/m³2026-08-06: 15.7 µg/m³2026-08-07: 15.6 µg/m³2026-08-08: 14.1 µg/m³2026-08-09: 12.8 µg/m³2026-08-10: 13.8 µg/m³2026-08-11: 13.9 µg/m³2026-08-12: 20.9 µg/m³2026-08-13: 19.5 µg/m³2026-08-14: 16.0 µg/m³2026-08-15: 12.1 µg/m³2026-08-16: 13.6 µg/m³2026-08-17: 9.9 µg/m³2026-08-18: 6.4 µg/m³2026-08-19: 10.0 µg/m³2026-08-20: 10.3 µg/m³2026-08-21: 8.4 µg/m³2026-08-22: 10.5 µg/m³2026-08-23: 8.1 µg/m³2026-08-24: 10.6 µg/m³2026-08-25: 9.9 µg/m³2026-08-26: 13.1 µg/m³2026-08-27: 13.8 µg/m³2026-08-28: 23.9 µg/m³2026-08-29: 24.1 µg/m³2026-08-30: 24.2 µg/m³2026-08-31: 9.3 µg/m³2026-09-01: 9.1 µg/m³2026-09-02: 8.0 µg/m³2026-09-03: 10.5 µg/m³2026-09-04: 13.0 µg/m³2026-09-05: 11.6 µg/m³2026-09-06: 9.5 µg/m³2026-09-07: 11.7 µg/m³2026-09-08: 14.6 µg/m³2026-09-09: 10.8 µg/m³2026-09-10: no data2026-09-11: 8.2 µg/m³2026-09-12: 6.7 µg/m³2026-09-13: 6.5 µg/m³2026-09-14: no data2026-09-15: 7.1 µg/m³2026-09-16: 6.8 µg/m³2026-09-17: 9.3 µg/m³2026-09-18: 6.8 µg/m³2026-09-19: 6.3 µg/m³2026-09-20: 8.8 µg/m³2026-09-21: 10.0 µg/m³2026-09-22: 11.2 µg/m³2026-09-23: 5.1 µg/m³2026-09-24: 9.2 µg/m³2026-09-25: 5.2 µg/m³2026-09-26: 3.9 µg/m³2026-09-27: 6.2 µg/m³2026-09-28: 11.9 µg/m³2026-09-29: 13.3 µg/m³2026-09-30: 14.0 µg/m³
Good 0–9.0Moderate 9.1+Unhealthy for sensitive groups 35.5+Unhealthy 55.5+Very unhealthy 125.5+Hazardous 225.5+No data

29 of 167 measured days were over the WHO 24-hour guideline.

Daily world rank

#1#2237NovDecJanFebMarAprMayJunJulAugSep

Rank on each day's board (1 = most polluted city that day).

2026 against 2025, month by month

15JanFebMarApr 2025: 9.2 µg/m³Apr 2026: 12.1 µg/m³AprMay 2025: 8.1 µg/m³May 2026: 9.8 µg/m³MayJun 2025: 15.6 µg/m³Jun 2026: 11.5 µg/m³JunJul 2025: 9.1 µg/m³Jul 2026: 12.1 µg/m³JulAug 2025: 14.0 µg/m³Aug 2026: 14.2 µg/m³AugSep 2025: 7.4 µg/m³Sep 2026: 9.1 µg/m³SepOctNovDec

Faded bars: 2025. A month shows once it has 10 measured days.

Monitors

StationOperatorType
NA09 I.T.I.S. ARGINEODC-BYEEAReference
Casoria Scuola Palizzi (CAM)ODC-BYEEAReference
Tirrenopower VollaODC-BYEEAReference
Portici parco reggiaODC-BYEEAReference
NA06 MUSEO NAZIONALEODC-BYEEAReference
NA01 OSSERVATORIO ASTRONOMICOODC-BYEEAReference
Tirrenopower Via EpomeoODC-BYEEAReference

The city's value is the median of its reference monitors each hour; low-cost sensors are listed but not counted when reference monitors exist. Data via OpenAQ; licences as listed. How we rank. Embed this on your site.

Other cities in Italy

Milan 13.8Nichelino 12.9Alessandria 12.1Turin 11.7Benevento 10.6Rovereto 10.2Trento 10.0Aosta 10.0Caserta 9.6Salerno 8.7Bolzano 7.5Gorizia 5.4

30-day averages, µg/m³. All of Italy →

Updated 2026-10-01 04:07 UTC. Values are PM2.5 in µg/m³ (fine particles), the median of each city's monitors.