Air quality in Melun, France today
Mr. Duck’s Air Quality Score
Moderate air today for Melun, France
This friendly indicator summarizes the latest city readings. For health guidance, please see: EPA AirNow or WHO.
Air quality today
The air quality in Melun is currently classified as Moderate. The primary pollutant identified for today is PM2.5 (fine particles).
Measurements show a PM2.5 reference value of 10.1 µg/m³ and a PM10 reference value of 43.1 µg/m³, based on five valid observations reported through OpenAQ. This page is informational; for health guidance, use official sources such as EPA AirNow or WHO.
Latest sensor values
PM categories follow US EPA AQI breakpoints, shown here as an estimate derived from the latest valid measurements (this project does not compute EPA NowCast/24-hour AQI yet).
What the data includes
The dataset for Melun contains measurements for five key pollutants – nitrogen monoxide (NO), nitrogen dioxide (NO₂), ozone (O₃), particulate matter ≤ 10 µm (PM10) and particulate matter ≤ 2.5 µm (PM2.5). In total, seven data rows have been collected from two monitoring stations that report to the OpenAQ network.
The most recent values are fairly fresh for three of the pollutants: NO₂ was last updated on 2026-02-10 15:00 UTC, O₃ on the same day and time, while PM10 and PM2.5 were refreshed on 2026-02-09 03:00 UTC. The NO data is older, with its latest entry recorded on 2024-03-11 07:00 UTC, which makes it the only series that exceeds a year in age. Across all rows, three entries fall into the “last 3 days” freshness bucket, two are within the last 7 days and two are older than seven days.
Looking at the numbers, NO shows a wide spread ranging from 29.4 to 90.6 µg/m³ with a median of 60.0 µg/m³, indicating considerable variability in that pollutant’s concentration when it was measured. In contrast, NO₂ varies between 13.1 and 41.3 µg/m³ with a median of 27.2 µg/m³, while the particulate metrics are single‑value records: PM10 is consistently reported at 43.1 µg/m³ and PM2.5 at 10.1 µg/m³. Ozone appears as a constant 63.9 µg/m³ in its latest entry.
Overall, the coverage is uneven: while NO₂, O₃, PM10 and PM2.5 have recent updates from both stations, the older NO record means that current conditions for nitrogen monoxide are not captured in real time. Consequently, the snapshot reflects a mix of up‑to‑date and dated information, and actual air quality in Melun can differ across locations and moments beyond what is shown here.
Learn more about sources and filtering: About the data.
Trusted references: WHO (Air pollution) · US EPA AirNow · European Environment Agency (Air)
Latest sensor values (bars)
PM categories follow US EPA AQI breakpoints, shown here as an estimate derived from the latest valid measurements (this project does not compute EPA NowCast/24-hour AQI yet).
Data notes
The data shown for Melun is based on five valid measurements and was refreshed recently, having been updated within three days (last update: 2026‑02‑10 15:00 UTC). These values represent a snapshot of ambient conditions at the time of collection; air quality can differ across neighborhoods and change throughout the day, so local variations may not be captured in this summary.
OpenAQ station rows
| Station | Parameter | Value | Unit | Last updated |
|---|---|---|---|---|
| RN6-MELUN | no | 90.6 | µg/m³ | 2024-03-11 07:00 UTC |
| RN6-MELUN | no2 | 41.3 | µg/m³ | 2026-02-10 15:00 UTC |
| RN6-MELUN | pm10 | 43.1 | µg/m³ | 2026-02-09 03:00 UTC |
| RN6-MELUN | pm25 | 10.1 | µg/m³ | 2026-02-09 03:00 UTC |
| MELUN | no | 29.4 | µg/m³ | 2024-03-11 07:00 UTC |
| MELUN | no2 | 13.1 | µg/m³ | 2026-02-10 15:00 UTC |
| MELUN | o3 | 63.9 | µg/m³ | 2026-02-10 15:00 UTC |