What is the air quality trend in Chalthan?

Over the past 8 days, Chalthan had an average AQI of 80 based on station measurements. The worst day was 2026-05-28 with AQI 103.

How is Chalthan air quality measured?

Air quality in Chalthan 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 Chalthan, India

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

Historical PM2.5 and AQI trend from monitoring stations near Chalthan, India.

117

Current AQI
Unhealthy for sensitive groups Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

139h

PM2.5 Station

139h · 2 stations

Temperature GFS model

28pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	PM10 avg	Hours	Stations
2026-05-29	90	62–145	29.8 µg/m³	82.8	16h	2
2026-05-28	103	74–168	38.9 µg/m³	58.9	8h	2
2026-05-27	96	43–157	33.9 µg/m³	53.5	18h	2
2026-05-26	89	46–131	30.0 µg/m³	55.8	23h	2
2026-05-25	69	33–134	20.8 µg/m³	48.9	23h	2
2026-05-24	81	41–147	26.0 µg/m³	32.8	24h	2
2026-05-23	57	26–102	16.7 µg/m³	32.4	24h	2
2026-05-22	56	45–75	15.3 µg/m³	35.8	3h	2

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