What is the air quality trend in Mégara?

Over the past 8 days, Mégara had an average AQI of 123 based on station measurements. The worst day was 2026-10-14 with AQI 500.

How is Mégara air quality measured?

Air quality in Mégara 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 Mégara, Greece

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

Historical PM2.5 and AQI trend from monitoring stations near Mégara, Greece.

Current AQI
Good Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

23h

PM2.5 Station

23h · 1 station

Temperature GFS model

28pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-10-21	38	38–38	9.1 µg/m³	1h	1
2026-10-20	50	34–63	13.0 µg/m³	4h	1
2026-10-19	44	30–59	11.6 µg/m³	2h	1
2026-10-18	39	18–55	9.4 µg/m³	6h	1
2026-10-17	31	25–42	7.5 µg/m³	5h	1
2026-10-16	26	18–34	6.2 µg/m³	2h	1
2026-10-15	262	24–500	491.7 µg/m³	2h	1
2026-10-14	500	500–500	907.3 µg/m³	1h	1

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