What is the air quality trend in San Sebastiano?

Over the past 8 days, San Sebastiano had an average AQI of 82 based on station measurements. The worst day was 2026-05-21 with AQI 112.

How is San Sebastiano air quality measured?

Air quality in San Sebastiano 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 San Sebastiano, Italy

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

Historical PM2.5 and AQI trend from monitoring stations near San Sebastiano, Italy.

Current AQI
Moderate CAMS model

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

166h

PM2.5 Station

166h · 1 station

Temperature GFS model

28pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	PM10 avg	Hours	Stations
2026-05-28	100	68–135	34.5 µg/m³	39.8	23h	1
2026-05-27	54	15–97	16.4 µg/m³	17.4	24h	1
2026-05-26	75	20–131	24.7 µg/m³	28.8	24h	1
2026-05-25	86	23–141	29.2 µg/m³	33.4	24h	1
2026-05-24	83	23–140	27.3 µg/m³	31.6	24h	1
2026-05-23	83	42–113	27.3 µg/m³	30.1	24h	1
2026-05-22	68	22–112	21.3 µg/m³	24.3	22h	1
2026-05-21	112	112–112	39.9 µg/m³	47.7	1h	1

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