What is the air quality trend in Tunasan?

Over the past 8 days, Tunasan had an average AQI of 60 based on station measurements. The worst day was 2026-10-21 with AQI 78.

How is Tunasan air quality measured?

Air quality in Tunasan 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 Tunasan, Philippines

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

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

Current AQI
Moderate Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

160h

PM2.5 Station

160h · 45 stations

Temperature GFS model

28pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-10-21	78	71–83	24.9 µg/m³	7h	45
2026-10-20	57	44–72	15.2 µg/m³	21h	45
2026-10-19	57	47–69	15.2 µg/m³	24h	45
2026-10-18	50	25–68	12.6 µg/m³	23h	44
2026-10-17	54	29–71	14.4 µg/m³	24h	46
2026-10-16	55	33–70	14.8 µg/m³	23h	46
2026-10-15	59	38–88	16.4 µg/m³	24h	46
2026-10-14	76	65–95	23.7 µg/m³	14h	46

Back to Tunasan Air Quality