What is the air quality trend in Vilafranca del Penedès?

Over the past 15 days, Vilafranca del Penedès had an average AQI of 35 based on station measurements. The worst day was 2026-05-30 with AQI 44.

How is Vilafranca del Penedès air quality measured?

Air quality in Vilafranca del Penedès 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 Vilafranca del Penedès, Spain

Name: Vilafranca del Penedès Air Quality History
Creator: CERNS.IO
License: https://creativecommons.org/licenses/by/4.0/

Historical PM2.5 and AQI trend from monitoring stations near Vilafranca del Penedès, Spain.

Current AQI
Moderate Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

337h

PM2.5 Station

337h · 20 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	44	35–52	10.7 µg/m³	29.7	7h	19
2026-05-29	39	25–53	9.4 µg/m³	27.5	24h	20
2026-05-28	37	25–53	8.9 µg/m³	24.5	24h	20
2026-05-27	42	30–56	10.1 µg/m³	22.7	24h	21
2026-05-26	42	31–55	10.1 µg/m³	22.0	24h	20
2026-05-25	36	23–50	8.7 µg/m³	17.8	24h	20
2026-05-24	39	26–54	9.4 µg/m³	15.4	24h	19
2026-05-23	36	29–44	8.7 µg/m³	16.7	24h	20
2026-05-22	36	27–48	8.7 µg/m³	20.2	24h	20
2026-05-21	34	22–45	8.2 µg/m³	18.7	24h	17
2026-05-20	40	28–152	10.3 µg/m³	17.4	24h	19
2026-05-19	32	19–42	7.7 µg/m³	13.2	24h	21
2026-05-18	26	21–38	6.3 µg/m³	8.9	24h	22
2026-05-17	24	12–32	5.9 µg/m³	7.0	24h	20
2026-05-16	25	3–107	6.6 µg/m³	7.1	18h	17

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