What is the air quality trend in Wang Thonglang?

Over the past 15 days, Wang Thonglang had an average AQI of 26 based on station measurements. The worst day was 2026-07-17 with AQI 40.

How is Wang Thonglang air quality measured?

Air quality in Wang Thonglang 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 Wang Thonglang, Thailand

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

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

Current AQI
Moderate Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

336h

PM2.5 Station

336h · 11 stations

Temperature GFS model

56pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	PM10 avg	Hours	Stations
2026-07-22	38	22–81	10.0 µg/m³	6.1	8h	31
2026-07-21	21	11–51	5.0 µg/m³	5.2	24h	27
2026-07-20	29	21–37	6.9 µg/m³	6.4	24h	28
2026-07-19	30	21–38	7.2 µg/m³	9.6	24h	21
2026-07-18	39	28–52	9.3 µg/m³	10.2	24h	21
2026-07-17	40	21–64	9.9 µg/m³	8.0	24h	26
2026-07-16	33	12–56	8.1 µg/m³	8.2	24h	26
2026-07-15	13	7–31	3.2 µg/m³	4.8	24h	21
2026-07-14	18	7–37	4.4 µg/m³	6.3	24h	21
2026-07-13	10	5–15	2.4 µg/m³	2.4	24h	19
2026-07-12	9	4–16	2.2 µg/m³	3.0	24h	15
2026-07-11	19	6–48	4.7 µg/m³	5.6	24h	19
2026-07-10	29	23–39	6.9 µg/m³	5.9	24h	26
2026-07-09	35	22–64	8.7 µg/m³	6.5	24h	26
2026-07-08	37	19–57	9.0 µg/m³	6.3	16h	20

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