What is the air quality trend in Centro?

Over the past 15 days, Centro had an average AQI of 37 based on station measurements. The worst day was 2026-06-03 with AQI 51.

How is Centro air quality measured?

Air quality in Centro 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 Centro, Spain

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

Historical PM2.5 and AQI trend from monitoring stations near Centro, Spain.

Current AQI
Good Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

275h

PM2.5 Station

275h · 1 station

Temperature GFS model

56pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-06-09	35	14–109	9.9 µg/m³	9h	2
2026-06-08	26	2–53	6.3 µg/m³	18h	2
2026-06-07	32	12–66	7.9 µg/m³	22h	2
2026-06-06	34	5–117	8.8 µg/m³	19h	2
2026-06-05	23	8–37	5.5 µg/m³	20h	2
2026-06-04	29	8–87	7.4 µg/m³	20h	2
2026-06-03	51	7–173	19.5 µg/m³	19h	2
2026-06-02	40	12–164	11.5 µg/m³	21h	2
2026-06-01	45	10–256	19.1 µg/m³	18h	2
2026-05-31	31	15–62	7.6 µg/m³	21h	2
2026-05-30	50	18–106	13.6 µg/m³	19h	2
2026-05-29	40	16–99	10.3 µg/m³	19h	2
2026-05-28	41	21–76	10.5 µg/m³	18h	2
2026-05-27	43	1–202	14.7 µg/m³	24h	2
2026-05-26	46	15–85	12.3 µg/m³	8h	2

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