What is the air quality trend in Purnia?

Over the past 15 days, Purnia had an average AQI of 85 based on station measurements. The worst day was 2026-05-20 with AQI 106.

How is Purnia air quality measured?

Air quality in Purnia 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 Purnia, India

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

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

Current AQI
Moderate CAMS model

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

335h

PM2.5 Station

335h · 7 stations

Temperature GFS model

56pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-05-30	72	62–80	22.0 µg/m³	9h	7
2026-05-29	73	59–92	22.6 µg/m³	24h	7
2026-05-28	73	55–152	22.5 µg/m³	24h	7
2026-05-27	79	58–127	25.1 µg/m³	24h	6
2026-05-26	80	51–162	26.2 µg/m³	24h	6
2026-05-25	80	58–127	26.1 µg/m³	24h	6
2026-05-24	85	56–148	28.1 µg/m³	24h	7
2026-05-23	98	61–149	33.8 µg/m³	24h	6
2026-05-22	85	25–138	28.1 µg/m³	24h	6
2026-05-21	92	61–173	33.4 µg/m³	24h	6
2026-05-20	106	77–174	39.2 µg/m³	24h	6
2026-05-19	98	64–162	34.6 µg/m³	24h	5
2026-05-18	84	55–210	30.9 µg/m³	24h	6
2026-05-17	86	57–165	29.1 µg/m³	24h	5
2026-05-16	87	61–112	29.3 µg/m³	14h	5

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