What is the air quality trend in Sant Celoni?

Over the past 8 days, Sant Celoni had an average AQI of 43 based on station measurements. The worst day was 2026-05-23 with AQI 52.

How is Sant Celoni air quality measured?

Air quality in Sant Celoni 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 Sant Celoni, Spain

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

Historical PM2.5 and AQI trend from monitoring stations near Sant Celoni, Spain.

Current AQI
Good Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

168h

PM2.5 Station

168h · 18 stations

Temperature GFS model

28pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	PM10 avg	Hours	Stations
2026-05-30	49	36–59	12.0 µg/m³	27.4	11h	13
2026-05-29	43	30–51	10.3 µg/m³	28.6	24h	17
2026-05-28	42	33–59	10.4 µg/m³	26.6	24h	18
2026-05-27	43	34–51	10.3 µg/m³	21.4	24h	19
2026-05-26	41	31–53	9.9 µg/m³	18.5	24h	18
2026-05-25	36	28–46	8.7 µg/m³	14.2	24h	17
2026-05-24	43	32–49	10.2 µg/m³	14.6	24h	17
2026-05-23	52	37–155	14.4 µg/m³	14.0	13h	19

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