What is the air quality trend in Gapan?

Over the past 15 days, Gapan had an average AQI of 99 based on station measurements. The worst day was 2026-05-26 with AQI 165.

How is Gapan air quality measured?

Air quality in Gapan 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 Gapan, Philippines

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

Historical PM2.5 and AQI trend from monitoring stations near Gapan, Philippines.

Current AQI
Moderate CAMS model

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

327h

PM2.5 Station

327h · 2 stations

Temperature GFS model

56pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-06-09	52	22–151	15.6 µg/m³	10h	2
2026-06-08	117	25–181	51.4 µg/m³	24h	2
2026-06-07	104	28–169	41.1 µg/m³	24h	2
2026-06-06	73	18–163	25.5 µg/m³	23h	2
2026-06-05	136	32–169	57.1 µg/m³	24h	2
2026-06-04	43	12–142	12.6 µg/m³	24h	2
2026-06-03	94	12–182	39.3 µg/m³	24h	2
2026-06-02	39	13–111	10.8 µg/m³	24h	2
2026-06-01	77	13–173	30.8 µg/m³	21h	2
2026-05-31	118	29–184	53.7 µg/m³	24h	2
2026-05-30	106	40–176	44.6 µg/m³	24h	2
2026-05-29	113	57–173	45.7 µg/m³	24h	2
2026-05-28	113	52–161	41.4 µg/m³	22h	2
2026-05-27	145	93–194	73.0 µg/m³	24h	2
2026-05-26	165	153–173	82.2 µg/m³	11h	2

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