What is the air quality trend in Chas?

Over the past 14 days, Chas had an average AQI of 88 based on station measurements. The worst day was 2026-06-04 with AQI 101.

How is Chas air quality measured?

Air quality in Chas 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 Chas, India

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

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

Current AQI
Moderate CAMS model

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

333h

PM2.5 Station

333h · 6 stations

Temperature GFS model

56pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	PM10 avg	Hours	Stations
2026-06-08	93	68–121	32.0 µg/m³	247.8	23h	5
2026-06-07	86	68–129	28.8 µg/m³	223.7	24h	6
2026-06-06	94	75–152	32.4 µg/m³	263.0	24h	6
2026-06-05	94	74–117	32.5 µg/m³	226.4	24h	7
2026-06-04	101	81–142	35.5 µg/m³	233.4	24h	6
2026-06-03	98	84–117	34.2 µg/m³	145.8	24h	7
2026-06-02	96	68–158	33.4 µg/m³	95.1	24h	5
2026-06-01	81	29–93	26.5 µg/m³	141.6	23h	4
2026-05-31	82	74–88	26.8 µg/m³	—	24h	4
2026-05-30	77	62–93	24.3 µg/m³	98.4	24h	5
2026-05-29	77	58–89	24.3 µg/m³	109.8	24h	5
2026-05-28	81	69–96	26.6 µg/m³	66.1	24h	5
2026-05-27	83	57–112	27.4 µg/m³	62.6	23h	4
2026-05-26	90	72–117	30.3 µg/m³	132.4	24h	6

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