What is the air quality trend in Cornellà de Llobregat?

Over the past 15 days, Cornellà de Llobregat had an average AQI of 37 based on station measurements. The worst day was 2026-05-30 with AQI 57.

How is Cornellà de Llobregat air quality measured?

Air quality in Cornellà de Llobregat 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 Cornellà de Llobregat, Spain

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

Historical PM2.5 and AQI trend from monitoring stations near Cornellà de Llobregat, Spain.

Current AQI
Good Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

331h

PM2.5 Station

331h · 1 station

Temperature GFS model

56pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	PM10 avg	Hours	Stations
2026-05-30	57	30–73	15.8 µg/m³	16.8	11h	1
2026-05-29	46	30–68	11.7 µg/m³	12.5	24h	1
2026-05-28	40	22–63	9.9 µg/m³	10.6	24h	1
2026-05-27	36	15–53	8.6 µg/m³	9.1	24h	1
2026-05-26	48	24–90	12.7 µg/m³	13.5	24h	1
2026-05-25	38	17–57	9.1 µg/m³	9.5	24h	1
2026-05-24	49	15–80	12.9 µg/m³	13.9	24h	1
2026-05-23	37	10–66	9.2 µg/m³	9.7	24h	1
2026-05-22	46	24–66	11.8 µg/m³	12.3	23h	2
2026-05-21	40	14–83	10.3 µg/m³	10.9	24h	1
2026-05-20	40	14–65	10.2 µg/m³	10.8	24h	1
2026-05-19	40	6–79	10.5 µg/m³	11.0	24h	1
2026-05-18	27	8–54	6.5 µg/m³	6.9	24h	1
2026-05-17	11	4–28	2.5 µg/m³	2.6	23h	1
2026-05-16	5	3–15	1.3 µg/m³	1.4	10h	1

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