What is the air quality trend in Olesa de Montserrat?

Over the past 15 days, Olesa de Montserrat had an average AQI of 35 based on station measurements. The worst day was 2026-05-30 with AQI 45.

How is Olesa de Montserrat air quality measured?

Air quality in Olesa de Montserrat 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 Olesa de Montserrat, Spain

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

Historical PM2.5 and AQI trend from monitoring stations near Olesa de Montserrat, Spain.

Current AQI
Moderate Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

336h

PM2.5 Station

336h · 16 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	45	34–55	10.8 µg/m³	30.1	9h	17
2026-05-29	40	28–51	9.6 µg/m³	30.3	24h	22
2026-05-28	38	28–53	9.3 µg/m³	27.7	24h	22
2026-05-27	38	29–45	9.1 µg/m³	23.2	24h	21
2026-05-26	40	32–49	9.6 µg/m³	20.5	24h	22
2026-05-25	37	20–49	8.8 µg/m³	16.2	24h	20
2026-05-24	41	30–53	9.8 µg/m³	15.9	24h	21
2026-05-23	39	32–50	9.2 µg/m³	17.8	24h	23
2026-05-22	37	26–44	8.8 µg/m³	20.5	24h	21
2026-05-21	34	25–43	8.0 µg/m³	17.4	24h	21
2026-05-20	35	25–47	8.3 µg/m³	16.9	24h	20
2026-05-19	32	25–42	7.6 µg/m³	13.1	24h	23
2026-05-18	27	14–41	6.4 µg/m³	8.7	24h	22
2026-05-17	25	7–34	6.1 µg/m³	6.5	24h	22
2026-05-16	23	2–34	5.4 µg/m³	6.0	15h	16

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