What is the air quality trend in Espinho?

Over the past 8 days, Espinho had an average AQI of 56 based on station measurements. The worst day was 2026-10-15 with AQI 86.

How is Espinho air quality measured?

Air quality in Espinho 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 Espinho, Portugal

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

Historical PM2.5 and AQI trend from monitoring stations near Espinho, Portugal.

Current AQI
Good CAMS model

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

143h

PM2.5 Station

143h · 1 station

Temperature GFS model

28pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	PM10 avg	Hours	Stations
2026-10-21	25	5–59	6.0 µg/m³	6.5	14h	2
2026-10-20	48	11–101	13.1 µg/m³	16.2	21h	2
2026-10-19	36	2–86	9.6 µg/m³	9.8	20h	1
2026-10-18	37	6–141	10.5 µg/m³	1.0	12h	1
2026-10-17	72	48–119	22.1 µg/m³	32.4	22h	2
2026-10-16	74	5–154	24.9 µg/m³	29.1	24h	2
2026-10-15	86	59–161	29.2 µg/m³	40.5	24h	2
2026-10-14	72	44–115	22.1 µg/m³	28.1	6h	2

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