What is the air quality trend in Pontarlier?

Over the past 15 days, Pontarlier had an average AQI of 34 based on station measurements. The worst day was 2026-05-25 with AQI 45.

How is Pontarlier air quality measured?

Air quality in Pontarlier 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 Pontarlier, France

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

Historical PM2.5 and AQI trend from monitoring stations near Pontarlier, France.

Current AQI
Good CAMS model

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

336h

PM2.5 Station

336h · 1 station

Temperature GFS model

56pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	PM10 avg	Hours	Stations
2026-05-29	28	4–37	6.7 µg/m³	4.9	19h	4
2026-05-28	38	21–137	9.8 µg/m³	9.5	24h	5
2026-05-27	40	23–70	10.0 µg/m³	12.1	24h	5
2026-05-26	42	28–57	10.2 µg/m³	13.1	24h	4
2026-05-25	45	30–109	11.2 µg/m³	14.7	24h	5
2026-05-24	36	21–63	8.7 µg/m³	8.4	24h	5
2026-05-23	35	16–57	8.3 µg/m³	6.8	24h	4
2026-05-22	35	13–155	9.6 µg/m³	10.8	24h	4
2026-05-21	27	10–44	6.5 µg/m³	5.6	24h	4
2026-05-20	24	5–56	5.7 µg/m³	3.1	24h	4
2026-05-19	31	12–93	7.8 µg/m³	5.1	24h	5
2026-05-18	30	8–68	7.4 µg/m³	2.2	24h	4
2026-05-17	44	7–193	16.9 µg/m³	2.6	24h	4
2026-05-16	37	7–118	9.5 µg/m³	2.7	24h	4
2026-05-15	28	24–32	6.6 µg/m³	1.3	5h	4

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