What is the air quality trend in Polichalur?

Over the past 15 days, Polichalur had an average AQI of 82 based on station measurements. The worst day was 2026-05-24 with AQI 104.

How is Polichalur air quality measured?

Air quality in Polichalur 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 Polichalur, India

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

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

153

Current AQI
Unhealthy Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

329h

PM2.5 Station

329h · 6 stations

Temperature GFS model

56pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-05-29	82	24–182	31.1 µg/m³	16h	5
2026-05-28	71	17–153	22.9 µg/m³	24h	5
2026-05-27	91	30–241	38.2 µg/m³	24h	5
2026-05-26	92	53–190	34.0 µg/m³	23h	6
2026-05-25	90	23–159	31.2 µg/m³	24h	7
2026-05-24	104	52–375	45.3 µg/m³	24h	5
2026-05-23	102	44–160	36.9 µg/m³	24h	6
2026-05-22	76	45–176	25.5 µg/m³	24h	6
2026-05-21	101	23–214	44.0 µg/m³	24h	6
2026-05-20	70	14–163	23.1 µg/m³	24h	6
2026-05-19	74	12–155	24.3 µg/m³	24h	5
2026-05-18	69	14–156	22.3 µg/m³	24h	6
2026-05-17	59	18–115	17.2 µg/m³	23h	5
2026-05-16	75	15–162	24.7 µg/m³	21h	5
2026-05-15	86	61–114	28.3 µg/m³	6h	8

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