SmogRank / Italy / Campania / Caserta

Caserta, month by month

Caserta has a measured daily mean on 486 days since 11 January 2023. Its worst month was February 2023, at 65 US AQI (16.7 µg/m³), 248th of 1,129 cities on that month's world ranking. Its cleanest was May 2023, at 36 US AQI (6.4 µg/m³).

Every month since 2023

2026too few days for a mean (a year needs 199)171 days measured
Jan3 daysFebnoneMar2 daysApr57#708May50#998Jun20 daysJul58#712Aug64#357Sep52#699Oct59#313
2025too few days for a mean (a year needs 256)3 days measured
JannoneFebnoneMarnoneAprnoneMaynoneJunnoneJulnoneAugnoneSepnoneOct3 daysNovnoneDecnone
2024too few days for a mean (a year needs 257)31 days measured
Jan60#528Feb8 daysMar1 dayAprnoneMaynoneJunnoneJulnoneAugnoneSepnoneOctnoneNovnoneDecnone
202353 for the year281 days measured463rd of 1,355 in the world
Jan7 daysFeb65#248Mar52#283Apr40#1,001May36#1,238Jun47#1,044Jul16 daysAug53#623Sep54#439Oct52#366Nov39#1,408Dec63#272
Each square is a month's mean PM2.5 in US AQI from Caserta's measured days, with its place on that month's world ranking under it. A month has a mean once 70% of its days are measured, the rule the monthly rankings use; under that, the square gives the days measured. Each square opens that month's ranking with Caserta marked; each year, the year's. A dashed square is the running month, so far.
Good0–50
Moderate51–100
Sensitive groups101–150
Unhealthy151–200
Very unhealthy201–300
Hazardous301+

The US EPA's Air Quality Index for PM2.5 (2024 breakpoints). Show values as: µg/m³ · US AQI · India AQI · China AQI · European AQI · UK DAQI · Canada AQHI+. About the scales

Months without a mean, and why

29 months
MonthWhy
Jun 202620 of 30 days measured; a month needs 21. The others: 10 with under 18 hours of readings or readings that failed our checks.
Mar 20262 of 31 days measured; a month needs 22. The others: 29 with under 18 hours of readings or readings that failed our checks.
Feb 2026No day measured. The others: 28 with under 18 hours of readings or readings that failed our checks.
Jan 20263 of 31 days measured; a month needs 22. The others: 28 with under 18 hours of readings or readings that failed our checks.
Dec 2025No day measured. The others: 31 with under 18 hours of readings or readings that failed our checks.
Nov 2025No day measured. The others: 30 with under 18 hours of readings or readings that failed our checks.
Oct 20253 of 31 days measured; a month needs 22. The others: 28 with under 18 hours of readings or readings that failed our checks.
Sep 2025No day measured. The others: 30 with under 18 hours of readings or readings that failed our checks.
Aug 2025No day measured. The others: 31 with under 18 hours of readings or readings that failed our checks.
Jul 2025No day measured. The others: 31 with under 18 hours of readings or readings that failed our checks.
Jun 2025No day measured. The others: 30 with under 18 hours of readings or readings that failed our checks.
May 2025No day measured. The others: 31 with under 18 hours of readings or readings that failed our checks.
Apr 2025No day measured. The others: 30 with under 18 hours of readings or readings that failed our checks.
Mar 2025No day measured. The others: 31 with under 18 hours of readings or readings that failed our checks.
Feb 2025No day measured. The others: 28 with under 18 hours of readings or readings that failed our checks.
Jan 2025No day measured. The others: 31 with under 18 hours of readings or readings that failed our checks.
Dec 2024No day measured. The others: 31 with under 18 hours of readings or readings that failed our checks.
Nov 2024No day measured. The others: 30 with under 18 hours of readings or readings that failed our checks.
Oct 2024No day measured. The others: 31 with under 18 hours of readings or readings that failed our checks.
Sep 2024No day measured. The others: 30 with under 18 hours of readings or readings that failed our checks.
Aug 2024No day measured. The others: 31 with under 18 hours of readings or readings that failed our checks.
Jul 2024No day measured. The others: 31 with under 18 hours of readings or readings that failed our checks.
Jun 2024No day measured. The others: 30 with under 18 hours of readings or readings that failed our checks.
May 2024No day measured. The others: 31 with under 18 hours of readings or readings that failed our checks.
Apr 2024No day measured. The others: 30 with under 18 hours of readings or readings that failed our checks.
Mar 20241 of 31 days measured; a month needs 22. The others: 30 with under 18 hours of readings or readings that failed our checks.
Feb 20248 of 29 days measured; a month needs 21. The others: 21 with under 18 hours of readings or readings that failed our checks.
Jul 202316 of 31 days measured; a month needs 22. The others: 15 with under 18 hours of readings or readings that failed our checks.
Jan 20237 of 31 days measured; a month needs 22. The others: 14 with under 18 hours of readings or readings that failed our checks.

A day counts once 18 hours of it are measured; a month needs 70% of its days.

Caserta's worst months

MonthUS AQIDays measuredWorld rankEpisode
February 2023 6516.7 µg/m³25 of 28248thof 1,129Europe, 6 to 25 February 2023
Campania, Apulia and The Marches, Italy, February 2023
August 2026 6415.9 µg/m³31 of 31357thof 2,896–
December 2023 6315.4 µg/m³24 of 31272ndof 2,247Eastern Europe, December 2023
January 2024 6014.1 µg/m³22 of 31528thof 2,385Europe, 27 January to 2 February 2024
July 2026 5813.1 µg/m³29 of 31712thof 2,784–
April 2026 5712.3 µg/m³21 of 30708thof 2,941–

Monthly means over the days measured; finished months only. World rank: its place on that month's world ranking of every city with enough days. Each month opens that ranking.

Caserta's worst days

DayUS AQIEpisode
1 Jan 2024 16676.6 µg/m³–
1 Feb 2024 11541.0 µg/m³Europe, 27 January to 2 February 2024
29 Aug 2026 10336.2 µg/m³–
20 Dec 2023 9934.9 µg/m³Eastern Europe, December 2023
17 Feb 2023 9733.6 µg/m³Europe, 6 to 25 February 2023
28 Dec 2023 9633.3 µg/m³–
30 Aug 2026 9230.9 µg/m³–
28 Aug 2026 9130.6 µg/m³–
16 Feb 2023 8829.0 µg/m³Europe, 6 to 25 February 2023
19 Dec 2023 8728.3 µg/m³Eastern Europe, December 2023

Daily means, the highest since 11 Jan 2023; the WHO's daily guideline is 15 µg/m³. Each date opens that day's world ranking, and each episode the bad-air spell it was part of.

Use this history

SmogRank, PM2.5 monthly and daily means, Caserta, Italy, 11 Jan 2023 – 11 Oct 2026. Monitor data from EEA, via OpenAQ and from the publisher directly; sources listed at smogrank.com/sources. smogrank.com/it/caserta/history (accessed 12 Oct 2026).

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You're welcome to reuse a single chart, image or figure with this citation and a link. Terms. Raw monitor readings in bulk are published by OpenAQ, under each provider's licence.

Caserta now: the last 24 hours, its ranks today and the last 12 months day by day.

Updated 2026-10-12 18:07 UTC. Values are PM2.5 (fine particles), the median of each city's monitors, as the US AQI PM2.5 sub-index. Some low-cost readings: Sensor.Community, ODbL (data and licence). Some readings: Uzhydromet (Uzbekistan's Hydrometeorological Service); Department of Environment, Nepal; Vietnam's government monitors; Aurassure; Umhverfisstofnun (Environment Agency of Iceland); RMCAB (Secretaría Distrital de Ambiente, Bogotá); Love My Air (City and County of Denver), no reuse terms published (why we use them).