What is the air quality trend in San Bartolomé?

Over the past 8 days, San Bartolomé had an average AQI of 34 based on station measurements. The worst day was 2026-06-02 with AQI 45.

How is San Bartolomé air quality measured?

Air quality in San Bartolomé 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 Bartolomé, Spain

Name: San Bartolomé 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 Bartolomé, Spain.

Current AQI
Moderate Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

104h

PM2.5 Station

104h · 2 stations

Temperature GFS model

28pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-06-09	41	26–53	9.9 µg/m³	3h	1
2026-06-08	30	1–45	7.2 µg/m³	17h	1
2026-06-07	32	10–55	7.7 µg/m³	14h	1
2026-06-06	24	1–40	5.8 µg/m³	16h	1
2026-06-05	28	21–37	6.7 µg/m³	13h	1
2026-06-04	44	4–362	24.8 µg/m³	17h	1
2026-06-03	33	14–112	8.8 µg/m³	15h	1
2026-06-02	45	19–188	19.9 µg/m³	9h	1

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