What is the air quality trend in Katihar?

Over the past 8 days, Katihar had an average AQI of 97 based on station measurements. The worst day was 2026-06-01 with AQI 108.

How is Katihar air quality measured?

Air quality in Katihar 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 Katihar, India

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

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

Current AQI
Good Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

167h

PM2.5 Station

167h · 5 stations

Temperature GFS model

28pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-06-08	92	70–112	31.2 µg/m³	21h	5
2026-06-07	95	74–121	32.5 µg/m³	24h	5
2026-06-06	88	68–135	29.7 µg/m³	24h	4
2026-06-05	95	68–166	33.6 µg/m³	24h	4
2026-06-04	102	78–125	35.7 µg/m³	24h	4
2026-06-03	108	77–185	40.4 µg/m³	24h	4
2026-06-02	93	71–118	31.9 µg/m³	24h	4
2026-06-01	108	101–115	38.4 µg/m³	2h	4

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