What is the air quality trend in Charneca de Caparica?

Over the past 14 days, Charneca de Caparica had an average AQI of 26 based on station measurements. The worst day was 2026-05-24 with AQI 51.

How is Charneca de Caparica air quality measured?

Air quality in Charneca de Caparica 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 Charneca de Caparica, Portugal

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

Historical PM2.5 and AQI trend from monitoring stations near Charneca de Caparica, Portugal.

Current AQI
Good CAMS model

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

246h

PM2.5 Station

246h · 2 stations

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	31	24–37	7.5 µg/m³	8.5	22h	2
2026-05-29	38	25–55	9.2 µg/m³	10.5	24h	2
2026-05-28	42	22–68	10.5 µg/m³	11.8	24h	2
2026-05-27	26	14–42	6.3 µg/m³	6.9	24h	2
2026-05-26	38	20–62	9.3 µg/m³	10.2	24h	2
2026-05-25	33	10–52	7.9 µg/m³	9.0	24h	2
2026-05-24	51	38–60	12.6 µg/m³	14.7	24h	2
2026-05-23	25	4–47	6.0 µg/m³	7.0	24h	2
2026-05-22	30	2–65	7.5 µg/m³	8.0	18h	1
2026-05-21	23	4–60	5.3 µg/m³	6.1	21h	1
2026-05-20	20	4–31	4.7 µg/m³	5.1	11h	1
2026-05-19	10	10–10	2.5 µg/m³	3.5	1h	1
2026-05-18	6	4–10	1.2 µg/m³	2.5	4h	1
2026-05-17	4	4–4	1.0 µg/m³	1.0	1h	1

Back to Charneca de Caparica Air Quality