What is the air quality trend in Tallinn?

Over the past 15 days, Tallinn had an average AQI of 58 based on station measurements. The worst day was 2026-07-21 with AQI 142.

How is Tallinn air quality measured?

Air quality in Tallinn 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 Tallinn, Estonia

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

Historical PM2.5 and AQI trend from monitoring stations near Tallinn, Estonia.

Current AQI
Good Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

315h

PM2.5 Station

315h · 1 station

Temperature GFS model

56pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-07-22	112	13–148	40.2 µg/m³	8h	1
2026-07-21	142	75–170	56.6 µg/m³	24h	1
2026-07-20	67	53–88	20.0 µg/m³	23h	1
2026-07-19	70	54–89	21.4 µg/m³	24h	1
2026-07-18	101	52–160	36.3 µg/m³	24h	1
2026-07-17	108	55–170	43.0 µg/m³	23h	1
2026-07-16	72	19–141	23.6 µg/m³	21h	1
2026-07-15	51	10–148	16.4 µg/m³	24h	2
2026-07-14	18	11–28	4.3 µg/m³	21h	3
2026-07-13	19	11–27	4.6 µg/m³	23h	3
2026-07-12	33	28–41	8.0 µg/m³	23h	2
2026-07-11	27	14–43	6.6 µg/m³	22h	2
2026-07-10	19	12–24	4.7 µg/m³	23h	3
2026-07-09	24	16–31	5.8 µg/m³	19h	2
2026-07-08	19	17–23	4.6 µg/m³	13h	2

Back to Tallinn Air Quality