What is the air quality trend in Velingrad?

Over the past 8 days, Velingrad had an average AQI of 68 based on station measurements. The worst day was 2026-10-21 with AQI 99.

How is Velingrad air quality measured?

Air quality in Velingrad 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 Velingrad, Bulgaria

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

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

102

Current AQI
Unhealthy for sensitive groups Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

167h

PM2.5 Station

167h · 8 stations

Temperature GFS model

28pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	PM10 avg	Hours	Stations
2026-10-21	99	65–156	34.7 µg/m³	47.0	9h	8
2026-10-20	71	21–158	22.9 µg/m³	31.0	24h	8
2026-10-19	64	19–170	20.7 µg/m³	28.0	24h	8
2026-10-18	66	28–154	20.0 µg/m³	27.0	24h	8
2026-10-17	65	18–195	22.8 µg/m³	31.0	24h	7
2026-10-16	67	27–156	21.2 µg/m³	28.3	24h	7
2026-10-15	50	19–102	14.0 µg/m³	19.0	24h	7
2026-10-14	66	23–196	25.0 µg/m³	33.7	14h	7

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