What is the air quality trend in Calamba?

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

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

165h

PM2.5 Station

165h · 39 stations

Temperature GFS model

28pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	PM10 avg	Hours	Stations
2026-09-05	40	19–59	9.9 µg/m³	22.5	17h	39
2026-09-04	47	32–59	11.6 µg/m³	23.0	24h	39
2026-09-03	48	26–66	12.4 µg/m³	32.8	24h	39
2026-09-02	67	62–78	19.9 µg/m³	43.5	24h	39
2026-09-01	79	60–149	25.3 µg/m³	48.9	24h	37
2026-08-31	141	116–155	53.5 µg/m³	109.2	24h	39
2026-08-30	96	63–121	32.8 µg/m³	80.3	24h	39
2026-08-29	72	67–85	22.3 µg/m³	37.9	4h	39

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