What is the air quality trend in Patna?

Over the past 21 days, Patna had an average AQI of 72 based on station measurements. The worst day was 2026-05-20 with AQI 93.

How is Patna air quality measured?

Air quality in Patna 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 Patna, India

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

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

Current AQI
Moderate Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

468h

PM2.5 Station

468h · 7 stations

Temperature GFS model

80pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-05-29	67	25–106	20.6 µg/m³	13h	5
2026-05-28	52	14–103	15.1 µg/m³	24h	4
2026-05-27	73	17–182	26.1 µg/m³	22h	4
2026-05-26	81	32–162	27.9 µg/m³	23h	5
2026-05-25	86	7–185	34.4 µg/m³	24h	4
2026-05-24	91	25–177	32.4 µg/m³	24h	6
2026-05-23	92	36–500	45.6 µg/m³	24h	4
2026-05-22	73	11–183	25.7 µg/m³	24h	4
2026-05-21	86	18–189	34.1 µg/m³	24h	6
2026-05-20	93	18–227	35.7 µg/m³	24h	4
2026-05-19	74	32–181	25.4 µg/m³	22h	4
2026-05-18	69	15–169	23.0 µg/m³	23h	4
2026-05-17	57	11–104	17.0 µg/m³	22h	3
2026-05-16	63	13–104	18.8 µg/m³	22h	5
2026-05-15	67	14–137	20.4 µg/m³	24h	7
2026-05-14	71	23–130	21.9 µg/m³	24h	6
2026-05-13	64	32–156	19.1 µg/m³	24h	7
2026-05-12	62	17–102	18.7 µg/m³	24h	5
2026-05-11	82	39–349	33.7 µg/m³	24h	7
2026-05-10	69	24–175	22.7 µg/m³	24h	6
2026-05-09	57	27–81	15.5 µg/m³	9h	6

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