What is the air quality trend in Kosi?

Over the past 8 days, Kosi had an average AQI of 79 based on station measurements. The worst day was 2026-06-01 with AQI 98.

How is Kosi air quality measured?

Air quality in Kosi 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 Kosi, India

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

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

103

Current AQI
Unhealthy for sensitive groups CAMS model

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

161h

PM2.5 Station

161h · 4 stations

Temperature GFS model

28pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-06-08	82	50–140	26.4 µg/m³	21h	4
2026-06-07	76	25–160	24.9 µg/m³	23h	3
2026-06-06	77	20–159	24.9 µg/m³	24h	3
2026-06-05	83	24–154	27.4 µg/m³	24h	4
2026-06-04	80	9–197	31.1 µg/m³	23h	3
2026-06-03	65	7–221	24.5 µg/m³	23h	2
2026-06-02	72	8–153	23.2 µg/m³	22h	3
2026-06-01	98	98–98	34.4 µg/m³	1h	2

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