What is the air quality trend in Karlovo?

Over the past 8 days, Karlovo had an average AQI of 107 based on station measurements. The worst day was 2026-06-07 with AQI 131.

How is Karlovo air quality measured?

Air quality in Karlovo 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 Karlovo, Bulgaria

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

Historical PM2.5 and AQI trend from monitoring stations near Karlovo, Bulgaria.

Current AQI
Moderate Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

166h

PM2.5 Station

166h · 1 station

Temperature GFS model

28pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	PM10 avg	Hours	Stations
2026-06-09	122	63–188	58.9 µg/m³	79.5	16h	2
2026-06-08	97	8–223	44.2 µg/m³	59.8	22h	2
2026-06-07	131	60–397	71.6 µg/m³	96.5	24h	2
2026-06-06	119	61–305	60.4 µg/m³	81.4	24h	2
2026-06-05	114	55–198	54.7 µg/m³	73.8	24h	2
2026-06-04	94	55–231	40.2 µg/m³	54.3	24h	2
2026-06-03	116	25–216	59.0 µg/m³	79.6	24h	2
2026-06-02	70	43–154	21.8 µg/m³	29.8	8h	2

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