What is the air quality trend in San Martín de la Vega?

Over the past 8 days, San Martín de la Vega had an average AQI of 39 based on station measurements. The worst day was 2026-07-16 with AQI 52.

How is San Martín de la Vega air quality measured?

Air quality in San Martín de la Vega 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 San Martín de la Vega, Spain

Name: San Martín de la Vega Air Quality History
Creator: CERNS.IO
License: https://creativecommons.org/licenses/by/4.0/

Historical PM2.5 and AQI trend from monitoring stations near San Martín de la Vega, Spain.

Current AQI
Good Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

156h

PM2.5 Station

156h · 5 stations

Temperature GFS model

28pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-07-22	34	18–56	8.3 µg/m³	12h	3
2026-07-21	47	5–78	12.3 µg/m³	22h	4
2026-07-20	39	17–92	9.8 µg/m³	22h	4
2026-07-19	34	13–63	8.4 µg/m³	22h	4
2026-07-18	38	14–107	10.2 µg/m³	22h	4
2026-07-17	41	9–66	10.1 µg/m³	23h	4
2026-07-16	52	25–186	16.3 µg/m³	24h	3
2026-07-15	34	27–46	8.3 µg/m³	9h	4

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