What is the air quality trend in Calauan?

Over the past 8 days, Calauan had an average AQI of 73 based on station measurements. The worst day was 2026-08-31 with AQI 141.

How is Calauan air quality measured?

Air quality in Calauan 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 Calauan, Philippines

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

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

Current AQI
Good CAMS model

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

164h

PM2.5 Station

164h · 28 stations

Temperature GFS model

28pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-09-05	39	18–61	9.9 µg/m³	19h	28
2026-09-04	45	28–60	11.2 µg/m³	24h	28
2026-09-03	49	26–67	12.5 µg/m³	24h	28
2026-09-02	68	62–79	20.2 µg/m³	24h	28
2026-09-01	80	60–151	25.8 µg/m³	23h	28
2026-08-31	141	114–155	53.2 µg/m³	24h	28
2026-08-30	95	63–121	32.5 µg/m³	24h	28
2026-08-29	68	67–68	19.9 µg/m³	2h	28

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