What is the air quality trend in Ongallur-II?

Over the past 15 days, Ongallur-II had an average AQI of 72 based on station measurements. The worst day was 2026-05-27 with AQI 114.

How is Ongallur-II air quality measured?

Air quality in Ongallur-II 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 Ongallur-II, India

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

Historical PM2.5 and AQI trend from monitoring stations near Ongallur-II, India.

Current AQI
Moderate CAMS model

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

201h

PM2.5 Station

201h · 1 station

Temperature GFS model

56pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-05-29	74	15–157	24.5 µg/m³	13h	1
2026-05-28	44	9–107	12.9 µg/m³	10h	1
2026-05-27	114	17–500	80.0 µg/m³	15h	1
2026-05-26	72	5–166	26.2 µg/m³	16h	1
2026-05-25	56	12–162	17.9 µg/m³	20h	1
2026-05-24	68	15–169	24.9 µg/m³	16h	2
2026-05-23	64	17–177	23.2 µg/m³	13h	1
2026-05-22	73	16–192	30.1 µg/m³	17h	1
2026-05-21	85	13–231	36.7 µg/m³	14h	2
2026-05-20	86	18–188	33.2 µg/m³	14h	1
2026-05-19	77	13–154	26.3 µg/m³	13h	1
2026-05-18	65	9–260	28.1 µg/m³	15h	1
2026-05-17	48	5–151	15.1 µg/m³	10h	1
2026-05-16	89	10–500	55.8 µg/m³	14h	1
2026-05-15	70	70–70	21.1 µg/m³	1h	1

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