What is the air quality trend in Östermalm?

Over the past 9 days, Östermalm had an average AQI of 20 based on station measurements. The worst day was 2026-07-16 with AQI 40.

How is Östermalm air quality measured?

Air quality in Östermalm 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 Östermalm, Sweden

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

Historical PM2.5 and AQI trend from monitoring stations near Östermalm, Sweden.

Current AQI
Good CAMS model

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

166h

PM2.5 Station

166h · 1 station

Temperature GFS model

56pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	PM10 avg	Hours	Stations
2026-07-18	39	16–59	9.6 µg/m³	12.4	15h	1
2026-07-17	35	20–63	8.6 µg/m³	10.0	24h	1
2026-07-16	40	11–65	10.0 µg/m³	12.2	24h	1
2026-07-15	29	15–60	7.1 µg/m³	8.3	24h	1
2026-07-14	12	1–25	2.8 µg/m³	3.3	24h	1
2026-07-13	5	2–8	1.1 µg/m³	1.7	12h	1
2026-07-12	6	4–15	1.6 µg/m³	1.8	14h	1
2026-07-11	10	1–20	2.5 µg/m³	3.0	16h	1
2026-07-10	6	2–20	1.6 µg/m³	1.9	13h	1

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