What is the air quality trend in Bourg-en-Bresse?

Over the past 21 days, Bourg-en-Bresse had an average AQI of 41 based on station measurements. The worst day was 2026-05-17 with AQI 72.

How is Bourg-en-Bresse air quality measured?

Air quality in Bourg-en-Bresse 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 Bourg-en-Bresse, France

Name: Bourg-en-Bresse Air Quality History
Creator: CERNS.IO
License: https://creativecommons.org/licenses/by/4.0/

Historical PM2.5 and AQI trend from monitoring stations near Bourg-en-Bresse, France.

Current AQI
Good Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

478h

PM2.5 Station

478h · 6 stations

Temperature GFS model

80pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	PM10 avg	Hours	Stations
2026-05-29	35	16–69	8.6 µg/m³	8.4	22h	4
2026-05-28	47	27–87	12.2 µg/m³	10.9	24h	4
2026-05-27	59	28–365	24.8 µg/m³	13.6	24h	3
2026-05-26	60	32–99	16.7 µg/m³	18.8	24h	3
2026-05-25	52	30–155	14.3 µg/m³	13.2	24h	4
2026-05-24	37	20–160	10.5 µg/m³	7.7	24h	3
2026-05-23	33	10–85	8.6 µg/m³	4.9	24h	4
2026-05-22	34	17–114	9.3 µg/m³	4.6	23h	4
2026-05-21	30	4–153	8.7 µg/m³	4.0	24h	3
2026-05-20	26	8–80	6.7 µg/m³	4.4	24h	3
2026-05-19	47	7–157	15.1 µg/m³	2.9	24h	4
2026-05-18	40	12–117	11.7 µg/m³	2.8	23h	5
2026-05-17	72	10–229	28.8 µg/m³	2.5	24h	5
2026-05-16	39	5–155	11.4 µg/m³	2.0	24h	5
2026-05-15	32	3–64	8.1 µg/m³	3.0	24h	5
2026-05-14	44	10–107	12.1 µg/m³	3.5	24h	5
2026-05-13	38	8–203	13.5 µg/m³	5.6	24h	5
2026-05-12	35	12–107	9.4 µg/m³	5.6	24h	5
2026-05-11	36	5–88	9.2 µg/m³	15.2	24h	4
2026-05-10	36	9–99	9.3 µg/m³	6.7	24h	5
2026-05-09	44	41–47	10.6 µg/m³	4.6	2h	8

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