What is the air quality trend in Pen?

Over the past 7 days, Pen had an average AQI of 77 based on station measurements. The worst day was 2026-05-26 with AQI 84.

How is Pen air quality measured?

Air quality in Pen 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 Pen, India

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

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

Current AQI
Moderate CAMS model

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

164h

PM2.5 Station

164h · 24 stations

Temperature GFS model

27pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	PM10 avg	Hours	Stations
2026-05-28	64	23–154	20.3 µg/m³	50.3	21h	10
2026-05-27	79	54–120	25.5 µg/m³	45.7	23h	15
2026-05-26	84	53–165	28.2 µg/m³	43.7	24h	18
2026-05-25	83	49–159	27.6 µg/m³	39.6	24h	18
2026-05-24	73	54–97	22.8 µg/m³	33.4	24h	19
2026-05-23	82	56–138	26.8 µg/m³	41.3	24h	18
2026-05-22	76	55–169	24.7 µg/m³	53.4	24h	17

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