What is the air quality trend in Odorheiu Secuiesc?

Over the past 15 days, Odorheiu Secuiesc had an average AQI of 44 based on station measurements. The worst day was 2026-08-07 with AQI 70.

How is Odorheiu Secuiesc air quality measured?

Air quality in Odorheiu Secuiesc 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 Odorheiu Secuiesc, Romania

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

Historical PM2.5 and AQI trend from monitoring stations near Odorheiu Secuiesc, Romania.

Current AQI
Moderate CAMS model

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

213h

PM2.5 Station

213h · 1 station

Temperature GFS model

56pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-08-08	42	27–68	10.9 µg/m³	4h	1
2026-08-07	70	2–385	37.1 µg/m³	14h	1
2026-08-06	63	13–455	32.4 µg/m³	21h	2
2026-08-05	39	8–83	10.4 µg/m³	21h	2
2026-08-04	43	21–77	11.0 µg/m³	18h	2
2026-08-03	44	15–129	12.0 µg/m³	17h	2
2026-08-02	42	9–95	10.9 µg/m³	15h	1
2026-08-01	39	13–73	9.8 µg/m³	15h	1
2026-07-31	38	10–69	9.6 µg/m³	14h	1
2026-07-30	37	8–75	9.6 µg/m³	13h	1
2026-07-29	45	10–156	13.0 µg/m³	14h	2
2026-07-28	32	10–68	8.0 µg/m³	13h	1
2026-07-27	38	11–117	10.8 µg/m³	12h	1
2026-07-26	52	4–159	17.2 µg/m³	13h	1
2026-07-25	41	15–72	11.1 µg/m³	9h	1

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