What is the air quality trend in Huelva?

Over the past 3 days, Huelva had an average AQI of 42 based on station measurements. The worst day was 2026-07-21 with AQI 52.

How is Huelva air quality measured?

Air quality in Huelva 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 Huelva, Spain

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

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

Current AQI
Good Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

43h

PM2.5 Station

43h · 1 station

Temperature GFS model

8pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-07-22	26	7–62	6.6 µg/m³	9h	3
2026-07-21	52	20–132	14.2 µg/m³	22h	8
2026-07-20	50	26–113	14.0 µg/m³	12h	7

Back to Huelva Air Quality