What is the air quality trend in El Puerto de Santa María?

Over the past 8 days, El Puerto de Santa María had an average AQI of 42 based on station measurements. The worst day was 2026-07-21 with AQI 56.

How is El Puerto de Santa María air quality measured?

Air quality in El Puerto de Santa María 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 El Puerto de Santa María, Spain

Name: El Puerto de Santa María Air Quality History
Creator: CERNS.IO
License: https://creativecommons.org/licenses/by/4.0/

Historical PM2.5 and AQI trend from monitoring stations near El Puerto de Santa María, Spain.

Current AQI
Moderate CAMS model

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

159h

PM2.5 Station

159h · 4 stations

Temperature GFS model

28pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-07-22	36	12–68	9.4 µg/m³	10h	4
2026-07-21	56	21–154	15.5 µg/m³	22h	5
2026-07-20	38	7–69	9.7 µg/m³	23h	4
2026-07-19	32	12–60	7.8 µg/m³	22h	4
2026-07-18	38	17–63	9.2 µg/m³	23h	4
2026-07-17	45	14–90	11.5 µg/m³	24h	4
2026-07-16	52	19–178	16.0 µg/m³	24h	4
2026-07-15	40	12–74	10.2 µg/m³	11h	4

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