What is the air quality trend in Circoiscrizione IV?

Over the past 15 days, Circoiscrizione IV had an average AQI of 45 based on station measurements. The worst day was 2026-08-22 with AQI 89.

How is Circoiscrizione IV air quality measured?

Air quality in Circoiscrizione IV 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 Circoiscrizione IV, Italy

Name: Circoiscrizione IV Air Quality History
Creator: CERNS.IO
License: https://creativecommons.org/licenses/by/4.0/

Historical PM2.5 and AQI trend from monitoring stations near Circoiscrizione IV, Italy.

Current AQI
Moderate Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

253h

PM2.5 Station

253h · 1 station

Temperature GFS model

56pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-09-05	37	14–70	9.6 µg/m³	16h	1
2026-09-04	36	12–65	9.0 µg/m³	21h	1
2026-09-03	37	17–68	9.2 µg/m³	19h	1
2026-09-02	47	9–261	20.0 µg/m³	18h	1
2026-09-01	30	9–62	7.4 µg/m³	18h	1
2026-08-31	36	2–69	9.4 µg/m³	14h	2
2026-08-30	36	6–65	9.1 µg/m³	20h	1
2026-08-29	40	19–78	10.4 µg/m³	19h	1
2026-08-28	47	14–112	13.1 µg/m³	20h	1
2026-08-27	53	15–74	14.6 µg/m³	15h	1
2026-08-26	52	20–151	15.0 µg/m³	19h	1
2026-08-25	48	16–101	13.5 µg/m³	18h	2
2026-08-24	36	13–57	8.8 µg/m³	17h	1
2026-08-23	52	18–119	14.3 µg/m³	18h	1
2026-08-22	89	89–89	30.4 µg/m³	1h	2

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