What is the air quality trend in Maardu?

Over the past 8 days, Maardu had an average AQI of 122 based on station measurements. The worst day was 2026-05-29 with AQI 151.

How is Maardu air quality measured?

Air quality in Maardu 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 Maardu, Estonia

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

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

Current AQI
Moderate Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

167h

PM2.5 Station

167h · 1 station

Temperature GFS model

28pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	PM10 avg	Hours	Stations
2026-05-29	151	151–151	56.0 µg/m³	59.1	1h	1
2026-05-28	127	24–175	51.7 µg/m³	61.4	24h	1
2026-05-27	92	24–164	34.1 µg/m³	53.6	24h	1
2026-05-26	130	25–160	49.3 µg/m³	54.4	24h	1
2026-05-25	130	24–173	52.4 µg/m³	57.6	24h	1
2026-05-24	115	21–155	42.2 µg/m³	52.3	24h	1
2026-05-23	118	23–180	53.8 µg/m³	74.5	23h	1
2026-05-22	119	23–180	49.6 µg/m³	64.6	23h	1

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