What is the air quality trend in Calaca?

Over the past 14 days, Calaca had an average AQI of 49 based on station measurements. The worst day was 2026-05-28 with AQI 110.

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
Moderate CAMS model

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

331h

PM2.5 Station

331h · 1 station

Temperature GFS model

56pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-05-29	85	63–119	28.2 µg/m³	22h	1
2026-05-28	110	91–133	38.8 µg/m³	22h	1
2026-05-27	98	73–144	34.1 µg/m³	24h	1
2026-05-26	71	24–92	22.3 µg/m³	24h	1
2026-05-25	24	6–57	5.7 µg/m³	24h	1
2026-05-24	19	3–35	4.6 µg/m³	24h	1
2026-05-23	15	3–34	3.7 µg/m³	24h	1
2026-05-22	17	1–42	4.1 µg/m³	23h	1
2026-05-21	14	1–27	3.1 µg/m³	24h	1
2026-05-20	33	10–63	8.2 µg/m³	24h	1
2026-05-19	48	13–91	13.5 µg/m³	24h	1
2026-05-18	37	15–77	9.4 µg/m³	24h	1
2026-05-17	41	20–79	10.7 µg/m³	24h	1
2026-05-16	82	75–115	26.8 µg/m³	24h	1

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