What is the air quality trend in Metapán?

Over the past 9 days, Metapán had an average AQI of 70 based on station measurements. The worst day was 2026-05-25 with AQI 112.

How is Metapán air quality measured?

Air quality in Metapán 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 Metapán, El Salvador

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

Historical PM2.5 and AQI trend from monitoring stations near Metapán, El Salvador.

Current AQI
Moderate CAMS model

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

79h

PM2.5 Station

79h · 1 station

Temperature GFS model

80pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	PM10 avg	Hours	Stations
2026-06-09	82	82–82	26.8 µg/m³	27.4	1h	1
2026-06-08	62	62–62	17.5 µg/m³	18.0	1h	1
2026-06-06	61	48–76	16.7 µg/m³	17.6	16h	1
2026-06-05	82	62–107	26.6 µg/m³	27.9	23h	1
2026-06-04	74	46–146	23.1 µg/m³	24.4	23h	1
2026-06-03	64	51–78	18.1 µg/m³	18.9	10h	1
2026-06-02	25	25–25	6.0 µg/m³	6.0	1h	1
2026-05-26	70	66–74	21.0 µg/m³	21.0	2h	1
2026-05-25	112	54–170	53.0 µg/m³	56.7	2h	1

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