What is the air quality trend in Ermesinde?

Over the past 13 days, Ermesinde had an average AQI of 31 based on station measurements. The worst day was 2026-05-30 with AQI 53.

How is Ermesinde air quality measured?

Air quality in Ermesinde 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 Ermesinde, Portugal

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

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

Current AQI
Good Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

279h

PM2.5 Station

279h · 1 station

Temperature GFS model

56pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	PM10 avg	Hours	Stations
2026-05-30	53	30–61	13.9 µg/m³	24.8	19h	1
2026-05-29	48	30–61	11.9 µg/m³	20.4	24h	1
2026-05-28	38	19–58	9.3 µg/m³	15.0	24h	1
2026-05-27	46	21–61	11.5 µg/m³	17.9	24h	1
2026-05-26	34	11–58	8.2 µg/m³	11.9	24h	1
2026-05-25	39	11–69	10.1 µg/m³	16.6	24h	1
2026-05-24	35	12–59	8.5 µg/m³	13.5	23h	1
2026-05-23	29	9–59	7.1 µg/m³	10.8	24h	1
2026-05-22	28	6–49	6.6 µg/m³	8.7	22h	1
2026-05-21	27	3–57	6.6 µg/m³	9.7	21h	1
2026-05-20	16	3–46	3.8 µg/m³	4.6	21h	1
2026-05-19	7	1–42	1.7 µg/m³	2.0	18h	1
2026-05-18	6	1–13	1.2 µg/m³	0.7	11h	1

Back to Ermesinde Air Quality