What is the air quality trend in Chợ Lớn?

Over the past 15 days, Chợ Lớn had an average AQI of 26 based on station measurements. The worst day was 2026-10-22 with AQI 86.

How is Chợ Lớn air quality measured?

Air quality in Chợ Lớn 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 Chợ Lớn, Vietnam

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

Historical PM2.5 and AQI trend from monitoring stations near Chợ Lớn, Vietnam.

102

Current AQI
Unhealthy for sensitive groups Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

221h

PM2.5 Station

221h · 3 stations

Temperature GFS model

56pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	PM10 avg	Hours	Stations
2026-10-22	86	34–137	29.2 µg/m³	49.6	2h	2
2026-10-21	20	13–26	4.8 µg/m³	7.5	14h	1
2026-10-20	21	11–43	5.0 µg/m³	8.1	17h	1
2026-10-19	15	10–27	3.7 µg/m³	6.7	13h	1
2026-10-18	15	9–32	3.6 µg/m³	6.4	18h	1
2026-10-17	42	15–121	12.8 µg/m³	17.7	14h	1
2026-10-16	25	14–48	5.9 µg/m³	8.4	14h	1
2026-10-15	27	12–45	6.5 µg/m³	8.9	17h	1
2026-10-14	11	8–19	2.8 µg/m³	4.8	18h	1
2026-10-13	14	7–25	3.3 µg/m³	6.3	17h	1
2026-10-12	15	8–22	3.6 µg/m³	5.5	15h	1
2026-10-11	15	9–27	3.6 µg/m³	5.6	18h	1
2026-10-10	58	10–158	18.5 µg/m³	24.3	13h	1
2026-10-09	16	8–22	3.8 µg/m³	5.6	19h	1
2026-10-08	16	12–20	3.9 µg/m³	6.0	12h	1

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