What is the air quality trend in Bangkok?

Over the past 15 days, Bangkok had an average AQI of 87 based on station measurements. The worst day was with AQI .

How is Bangkok air quality measured?

Air quality in Bangkok 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 Bangkok, Thailand

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

Historical PM2.5 and AQI trend from monitoring stations near Bangkok, Thailand.

Current AQI
Moderate

48 Hours 7 Days 14 Days 20 Days

PM2.5 Trend

272h · 121 stations

Daily Summary

Date	AQI	Range	PM2.5 avg	PM10 avg	Hours	Stations
2026-04-10	85	69–115	28.2 µg/m³	30.6	20h	127
2026-04-09	90	67–230	35.2 µg/m³	40.4	19h	101
2026-04-08	102	10–121	36.3 µg/m³	44.8	11h	102
2026-04-07	108	89–152	38.3 µg/m³	44.4	24h	124
2026-04-06	92	15–109	31.9 µg/m³	38.9	19h	107
2026-04-05	115	115–115	41.0 µg/m³	48.0	1h	1
2026-04-04	100	95–105	35.1 µg/m³	41.9	15h	115
2026-04-03	88	74–97	29.8 µg/m³	34.0	24h	115
2026-04-02	70	49–86	21.1 µg/m³	24.7	24h	100
2026-04-01	80	64–99	25.8 µg/m³	29.7	23h	93
2026-03-31	65	53–87	18.9 µg/m³	21.6	23h	64
2026-03-30	60	4–107	17.1 µg/m³	19.0	16h	57
2026-03-29	71	53–85	21.6 µg/m³	24.8	24h	113
2026-03-28	89	66–98	30.2 µg/m³	35.8	24h	110
2026-03-27	91	81–96	31.0 µg/m³	38.2	5h	97

Back to Bangkok Air Quality