What is the air quality trend in Pontian Besar?

Over the past 21 days, Pontian Besar had an average AQI of 52 based on station measurements. The worst day was 2026-05-20 with AQI 69.

How is Pontian Besar air quality measured?

Air quality in Pontian Besar 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 Pontian Besar, Malaysia

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

Historical PM2.5 and AQI trend from monitoring stations near Pontian Besar, Malaysia.

Current AQI
Good CAMS model

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

479h

PM2.5 Station

479h · 1 station

Temperature GFS model

80pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-06-09	49	27–64	12.4 µg/m³	14h	2
2026-06-08	37	24–61	9.0 µg/m³	24h	2
2026-06-07	38	18–79	9.7 µg/m³	24h	2
2026-06-06	47	28–67	11.9 µg/m³	24h	2
2026-06-05	50	30–72	12.9 µg/m³	24h	2
2026-06-04	54	26–73	14.2 µg/m³	24h	2
2026-06-03	54	30–68	14.0 µg/m³	24h	2
2026-06-02	62	35–110	17.4 µg/m³	24h	2
2026-06-01	60	30–116	17.3 µg/m³	24h	2
2026-05-31	54	40–65	14.0 µg/m³	24h	2
2026-05-30	60	33–117	17.0 µg/m³	24h	2
2026-05-29	49	28–74	12.7 µg/m³	24h	2
2026-05-28	48	28–60	11.9 µg/m³	24h	2
2026-05-27	49	26–60	12.0 µg/m³	24h	2
2026-05-26	55	38–110	14.6 µg/m³	24h	2
2026-05-25	58	42–75	15.7 µg/m³	24h	2
2026-05-24	56	35–89	15.2 µg/m³	24h	2
2026-05-23	56	31–77	14.7 µg/m³	24h	2
2026-05-22	53	30–72	13.8 µg/m³	24h	2
2026-05-21	42	23–66	10.4 µg/m³	24h	2
2026-05-20	69	40–173	24.5 µg/m³	9h	2

Back to Pontian Besar Air Quality