What is the air quality trend in Rio de Mouro?

Over the past 15 days, Rio de Mouro had an average AQI of 28 based on station measurements. The worst day was 2026-07-20 with AQI 75.

How is Rio de Mouro air quality measured?

Air quality in Rio de Mouro 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 Rio de Mouro, Portugal

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

Historical PM2.5 and AQI trend from monitoring stations near Rio de Mouro, 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
2026-07-22	66	27–75	19.9 µg/m³	21.8	10h	1
2026-07-21	29	6–76	7.9 µg/m³	9.2	24h	1
2026-07-20	75	63–90	23.4 µg/m³	26.0	24h	1
2026-07-19	52	25–76	14.2 µg/m³	15.7	24h	1
2026-07-18	24	4–59	5.9 µg/m³	6.7	22h	1
2026-07-17	12	5–23	2.7 µg/m³	3.0	23h	1
2026-07-16	9	1–16	2.2 µg/m³	2.6	15h	1
2026-07-15	6	4–7	1.4 µg/m³	1.9	2h	1
2026-07-14	4	1–8	1.0 µg/m³	1.3	13h	1
2026-07-13	9	2–21	2.0 µg/m³	2.3	16h	1
2026-07-12	18	2–60	4.5 µg/m³	5.2	22h	1
2026-07-11	30	13–85	7.7 µg/m³	8.3	24h	1
2026-07-10	25	18–35	5.9 µg/m³	6.5	24h	1
2026-07-09	26	8–63	6.3 µg/m³	7.0	24h	1
2026-07-08	35	28–48	8.4 µg/m³	9.0	12h	1

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