What is the air quality trend in Calaca?

Over the past 15 days, Calaca had an average AQI of 76 based on station measurements. The worst day was 2026-08-31 with AQI 147.

How is Calaca air quality measured?

Air quality in Calaca 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 Calaca, Philippines

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

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

Current AQI
Good CAMS model

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

332h

PM2.5 Station

332h · 1 station

Temperature GFS model

56pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-09-05	39	8–71	10.2 µg/m³	17h	1
2026-09-04	50	32–70	12.8 µg/m³	24h	1
2026-09-03	53	29–67	13.7 µg/m³	24h	1
2026-09-02	69	60–79	20.6 µg/m³	24h	1
2026-09-01	83	59–153	27.2 µg/m³	23h	1
2026-08-31	147	121–160	60.4 µg/m³	24h	1
2026-08-30	102	66–129	35.2 µg/m³	24h	1
2026-08-29	99	41–153	34.3 µg/m³	24h	1
2026-08-28	40	10–70	10.3 µg/m³	24h	1
2026-08-27	53	18–72	14.8 µg/m³	24h	1
2026-08-26	62	47–76	17.4 µg/m³	24h	1
2026-08-25	86	77–99	28.6 µg/m³	24h	1
2026-08-24	93	85–108	32.2 µg/m³	24h	1
2026-08-23	86	72–97	28.8 µg/m³	24h	1
2026-08-22	83	82–84	27.2 µg/m³	4h	1

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