What is the air quality trend in Calamba?

Over the past 3 days, Calamba had an average AQI of 61 based on station measurements. The worst day was 2026-10-21 with AQI 74.

How is Calamba air quality measured?

Air quality in Calamba 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 Calamba, Philippines

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

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

Current AQI
Moderate Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

42h

PM2.5 Station

42h · 37 stations

Temperature GFS model

8pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-10-21	74	69–80	23.1 µg/m³	3h	37
2026-10-20	56	40–71	14.7 µg/m³	21h	37
2026-10-19	54	44–66	14.0 µg/m³	18h	37

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