What is the air quality trend in Bolu?

Over the past 15 days, Bolu had an average AQI of 49 based on station measurements. The worst day was 2026-06-05 with AQI 58.

How is Bolu air quality measured?

Air quality in Bolu 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 Bolu, Turkey

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

Historical PM2.5 and AQI trend from monitoring stations near Bolu, Turkey.

Current AQI
Moderate Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

303h

PM2.5 Station

303h · 2 stations

Temperature GFS model

56pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-06-09	37	26–52	8.8 µg/m³	8h	2
2026-06-08	38	8–67	9.7 µg/m³	21h	3
2026-06-07	52	13–120	14.7 µg/m³	24h	2
2026-06-06	54	15–107	16.0 µg/m³	23h	3
2026-06-05	58	8–153	17.2 µg/m³	24h	2
2026-06-04	45	12–89	12.4 µg/m³	23h	2
2026-06-03	57	13–104	16.8 µg/m³	20h	3
2026-06-02	53	17–164	16.4 µg/m³	23h	3
2026-06-01	54	11–100	15.7 µg/m³	21h	2
2026-05-31	46	8–107	13.3 µg/m³	20h	2
2026-05-30	48	17–111	13.9 µg/m³	22h	2
2026-05-29	54	9–157	16.5 µg/m³	21h	2
2026-05-28	53	16–120	15.5 µg/m³	22h	2
2026-05-27	52	8–121	15.2 µg/m³	19h	2
2026-05-26	47	22–66	12.0 µg/m³	12h	2

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