What is the air quality trend in Montornès del Vallès?

Over the past 15 days, Montornès del Vallès had an average AQI of 37 based on station measurements. The worst day was 2026-05-30 with AQI 60.

How is Montornès del Vallès air quality measured?

Air quality in Montornès del Vallès 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 Montornès del Vallès, Spain

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

Historical PM2.5 and AQI trend from monitoring stations near Montornès del Vallès, Spain.

Current AQI
Good Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

332h

PM2.5 Station

332h · 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	60	43–73	16.6 µg/m³	17.7	10h	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	47	24–66	12.1 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	42	11–62	10.4 µg/m³	10.8	24h	2
2026-05-18	22	6–47	5.3 µg/m³	5.7	24h	2
2026-05-17	10	2–28	2.4 µg/m³	2.4	24h	1
2026-05-16	6	3–15	1.4 µg/m³	1.5	11h	1

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