What is the air quality trend in Marchena?

Over the past 15 days, Marchena had an average AQI of 33 based on station measurements. The worst day was 2026-05-22 with AQI 41.

How is Marchena air quality measured?

Air quality in Marchena 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 Marchena, Spain

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

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

Current AQI
Good CAMS model

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

261h

PM2.5 Station

261h · 2 stations

Temperature GFS model

56pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-05-30	30	6–59	7.5 µg/m³	9h	1
2026-05-29	37	9–59	9.1 µg/m³	19h	2
2026-05-28	36	7–50	8.8 µg/m³	21h	2
2026-05-27	36	10–60	8.9 µg/m³	19h	2
2026-05-26	38	6–81	10.1 µg/m³	16h	2
2026-05-25	35	7–55	8.4 µg/m³	19h	2
2026-05-24	37	14–56	8.9 µg/m³	19h	2
2026-05-23	34	13–56	8.3 µg/m³	16h	2
2026-05-22	41	15–85	10.1 µg/m³	21h	2
2026-05-21	29	7–55	6.9 µg/m³	22h	2
2026-05-20	34	13–54	8.2 µg/m³	17h	2
2026-05-19	31	10–59	7.5 µg/m³	18h	1
2026-05-18	27	8–55	6.6 µg/m³	18h	2
2026-05-17	27	9–50	6.5 µg/m³	18h	2
2026-05-16	36	12–53	8.5 µg/m³	9h	3

Back to Marchena Air Quality