What is the air quality trend in Polichalur?

Over the past 21 days, Polichalur had an average AQI of 82 based on station measurements. The worst day was 2026-05-21 with AQI 108.

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.

Current AQI
Moderate Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

469h

PM2.5 Station

469h · 6 stations

Temperature GFS model

80pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-05-29	79	24–165	27.4 µg/m³	16h	4
2026-05-28	69	17–164	23.3 µg/m³	24h	3
2026-05-27	93	30–258	41.1 µg/m³	24h	4
2026-05-26	96	51–204	36.3 µg/m³	23h	5
2026-05-25	94	23–167	34.4 µg/m³	24h	6
2026-05-24	102	52–375	44.1 µg/m³	24h	5
2026-05-23	92	21–166	32.9 µg/m³	24h	4
2026-05-22	80	30–182	28.3 µg/m³	24h	5
2026-05-21	108	23–253	49.5 µg/m³	24h	5
2026-05-20	71	14–176	24.7 µg/m³	24h	5
2026-05-19	74	5–153	24.3 µg/m³	24h	4
2026-05-18	66	12–164	21.4 µg/m³	24h	5
2026-05-17	55	16–115	15.8 µg/m³	23h	4
2026-05-16	73	15–167	24.1 µg/m³	21h	4
2026-05-15	84	10–153	27.9 µg/m³	24h	5
2026-05-14	75	27–153	23.9 µg/m³	23h	5
2026-05-13	76	30–115	24.5 µg/m³	23h	5
2026-05-12	93	28–238	35.7 µg/m³	24h	5
2026-05-11	80	28–317	32.0 µg/m³	23h	6
2026-05-10	73	19–145	23.0 µg/m³	24h	5
2026-05-09	89	54–118	29.8 µg/m³	5h	5

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