What is the air quality trend in Olesa de Montserrat?

Over the past 15 days, Olesa de Montserrat had an average AQI of 51 based on station measurements. The worst day was 2026-07-15 with AQI 58.

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

162h

PM2.5 Station

162h · 10 stations

Temperature GFS model

56pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-07-22	54	42–62	14.4 µg/m³	8h	9
2026-07-21	58	47–67	15.4 µg/m³	5h	7
2026-07-20	46	34–55	11.1 µg/m³	11h	7
2026-07-19	53	43–61	13.5 µg/m³	5h	3
2026-07-18	53	40–61	13.5 µg/m³	8h	5
2026-07-17	52	40–70	13.7 µg/m³	10h	5
2026-07-16	52	33–66	13.6 µg/m³	10h	4
2026-07-15	58	33–74	16.5 µg/m³	15h	4
2026-07-14	49	30–65	12.8 µg/m³	14h	4
2026-07-13	48	27–65	12.1 µg/m³	12h	6
2026-07-12	36	23–55	8.8 µg/m³	14h	6
2026-07-11	49	37–54	11.9 µg/m³	13h	10
2026-07-10	47	41–53	11.4 µg/m³	17h	10
2026-07-09	54	47–59	13.7 µg/m³	12h	10
2026-07-08	56	50–62	14.4 µg/m³	8h	10

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