What is the air quality trend in El Grao?

Over the past 15 days, El Grao had an average AQI of 38 based on station measurements. The worst day was 2026-08-28 with AQI 60.

How is El Grao air quality measured?

Air quality in El Grao 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 Grao, Spain

Name: El Grao 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 Grao, Spain.

Current AQI
Good Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

333h

PM2.5 Station

333h · 1 station

Temperature GFS model

56pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-09-05	36	20–60	8.8 µg/m³	21h	7
2026-09-04	44	17–117	11.9 µg/m³	24h	6
2026-09-03	41	21–98	10.3 µg/m³	24h	6
2026-09-02	35	11–135	9.4 µg/m³	24h	5
2026-09-01	37	18–129	9.9 µg/m³	24h	6
2026-08-31	42	14–136	11.2 µg/m³	23h	6
2026-08-30	33	16–64	8.2 µg/m³	24h	6
2026-08-29	41	20–75	10.4 µg/m³	24h	5
2026-08-28	60	20–368	25.2 µg/m³	24h	6
2026-08-27	34	21–58	8.4 µg/m³	24h	6
2026-08-26	37	15–67	9.3 µg/m³	24h	6
2026-08-25	37	22–65	8.9 µg/m³	24h	6
2026-08-24	38	14–65	9.4 µg/m³	24h	6
2026-08-23	38	13–79	9.4 µg/m³	24h	6
2026-08-22	17	17–17	4.0 µg/m³	1h	4

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