What is the air quality trend in Città di Castello?

Over the past 5 days, Città di Castello had an average AQI of 70 based on station measurements. The worst day was 2026-07-16 with AQI 167.

How is Città di Castello air quality measured?

Air quality in Città di Castello is measured by ground-level monitoring stations that report PM2.5 and PM10 concentrations hourly. CERNS.IO aggregates readings from nearby stations and converts PM2.5 to the US EPA Air Quality Index (AQI) scale.

Air Quality History for Città di Castello, Italy

Name: Città di Castello Air Quality History
Creator: CERNS.IO
License: https://creativecommons.org/licenses/by/4.0/

Historical PM2.5 and AQI trend from monitoring stations near Città di Castello, Italy.

Current AQI
Good CAMS model

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

18h

PM2.5 Station

18h · 1 station

Temperature GFS model

56pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-07-21	52	9–124	16.3 µg/m³	4h	1
2026-07-20	49	18–125	14.6 µg/m³	6h	1
2026-07-19	49	29–62	12.6 µg/m³	4h	1
2026-07-18	35	35–35	8.4 µg/m³	1h	1
2026-07-16	167	31–435	144.9 µg/m³	3h	1

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