What is the air quality trend in Pernik?

Over the past 8 days, Pernik had an average AQI of 33 based on station measurements. The worst day was with AQI .

How is Pernik air quality measured?

Air quality in Pernik 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 Pernik, BG

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

Historical PM2.5 and AQI trend from monitoring stations near Pernik, BG.

Current AQI
Good

48 Hours 7 Days 14 Days 20 Days

PM2.5 Trend

114h · 47 stations

Daily Summary

Date	AQI	Range	PM2.5 avg	PM10 avg	Hours	Stations
2026-04-10	41	23–63	10.1 µg/m³	13.6	20h	46
2026-04-09	39	20–80	9.7 µg/m³	13.2	19h	35
2026-04-08	22	21–25	5.3 µg/m³	7.5	10h	41
2026-04-07	34	21–58	8.2 µg/m³	11.3	24h	44
2026-04-06	40	17–144	10.7 µg/m³	14.9	19h	39
2026-04-05	18	17–21	4.3 µg/m³	6.3	3h	1
2026-04-04	40	25–62	10.0 µg/m³	13.5	15h	46
2026-04-03	30	27–33	7.2 µg/m³	9.9	4h	46

Back to Pernik Air Quality