What is the air quality trend in Birūr?

Over the past 20 days, Birūr had an average AQI of 64 based on station measurements. The worst day was 2026-05-22 with AQI 99.

How is Birūr air quality measured?

Air quality in Birūr 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 Birūr, India

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

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

Current AQI
Good CAMS model

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

345h

PM2.5 Station

345h · 2 stations

Temperature GFS model

80pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-06-08	74	6–267	33.5 µg/m³	15h	1
2026-06-07	60	10–215	24.8 µg/m³	17h	1
2026-06-06	47	10–114	13.3 µg/m³	13h	1
2026-06-05	53	15–131	15.8 µg/m³	15h	1
2026-06-04	48	4–167	15.4 µg/m³	17h	2
2026-06-03	90	13–290	46.8 µg/m³	11h	1
2026-06-02	40	3–127	11.1 µg/m³	19h	1
2026-06-01	43	5–99	12.4 µg/m³	19h	2
2026-05-31	31	3–81	7.9 µg/m³	17h	2
2026-05-30	44	14–190	15.9 µg/m³	19h	2
2026-05-29	76	15–163	25.7 µg/m³	18h	2
2026-05-28	47	13–150	14.1 µg/m³	14h	2
2026-05-27	71	13–205	29.2 µg/m³	15h	2
2026-05-26	84	4–242	33.8 µg/m³	19h	2
2026-05-25	79	14–194	30.4 µg/m³	21h	2
2026-05-24	53	11–162	17.2 µg/m³	19h	2
2026-05-23	61	5–148	19.0 µg/m³	16h	1
2026-05-22	99	13–190	41.7 µg/m³	21h	2
2026-05-21	95	14–359	45.9 µg/m³	23h	2
2026-05-20	92	19–243	38.3 µg/m³	17h	2

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