What is the air quality trend in Kōttayam?

Over the past 20 days, Kōttayam had an average AQI of 65 based on station measurements. The worst day was 2026-05-23 with AQI 96.

How is Kōttayam air quality measured?

Air quality in Kōttayam 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 Kōttayam, India

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

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

Current AQI
Good CAMS model

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

277h

PM2.5 Station

277h · 2 stations

Temperature GFS model

80pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-05-29	57	16–145	16.4 µg/m³	14h	1
2026-05-28	56	21–172	21.2 µg/m³	10h	1
2026-05-27	78	23–153	26.1 µg/m³	12h	1
2026-05-26	37	6–109	11.4 µg/m³	12h	1
2026-05-25	60	3–154	19.8 µg/m³	15h	1
2026-05-24	74	8–190	29.9 µg/m³	14h	1
2026-05-23	96	10–415	51.9 µg/m³	18h	1
2026-05-22	50	5–131	14.6 µg/m³	15h	1
2026-05-21	90	22–433	51.1 µg/m³	12h	1
2026-05-20	75	9–188	27.8 µg/m³	19h	1
2026-05-19	76	8–313	39.4 µg/m³	12h	1
2026-05-18	51	3–153	16.3 µg/m³	16h	1
2026-05-17	58	9–158	19.7 µg/m³	11h	1
2026-05-16	62	6–109	19.6 µg/m³	8h	1
2026-05-15	53	9–127	15.4 µg/m³	18h	1
2026-05-14	69	2–225	28.0 µg/m³	17h	1
2026-05-13	68	15–167	23.4 µg/m³	15h	1
2026-05-12	48	13–100	13.9 µg/m³	14h	1
2026-05-11	80	6–157	28.2 µg/m³	12h	1
2026-05-10	74	8–151	24.1 µg/m³	13h	1

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