Air quality in Nakhon Pathom, Thailand today
Mr. Duck’s Air Quality Score
Moderate air today for Nakhon Pathom, Thailand
This friendly indicator summarizes the latest city readings. For health guidance, please see: EPA AirNow or WHO.
Air quality today
The air quality in Nakhon Pathom is currently classified as Moderate. The primary pollutant identified is PM2.5 (fine particles). Measurements show a PM2.5 concentration of 26.28 µg/m³, based on two valid observations reported through OpenAQ.
These values reflect the present monitoring snapshot for the city. 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 Nakhon Pathom contains observations from two monitoring stations, each providing a single row of data for the six common air‑quality gases and particles tracked by OpenAQ: carbon monoxide (CO), nitrogen dioxide (NO₂), ozone (O₃), particulate matter ≤10 µm (PM₁₀), particulate matter ≤2.5 µm (PM₂.₅) and sulfur dioxide (SO₂). The most recent measurement across the whole set is a PM₂.₅ value recorded on 2026‑02‑10 at 22:00 UTC; all other pollutants have their latest entries dated between 2022 and 2025, so the overall freshness of the data leans toward older observations.
PM₂.₅ shows the widest spread, with values ranging from a minimum of 26.28 µg/m³ to a maximum of 45.30 µg/m³; the median sits at 35.79 µg/m³ and the 10th‑percentile is 28.18 µg/m³, indicating that most recent readings cluster in the low‑to‑mid‑30s. In contrast, each of the other five pollutants is represented by a single constant value: CO remains at 0.5 ppm, NO₂ at 0.001 ppm, O₃ at 0.047 ppm, PM₁₀ at 30.0 µg/m³ and SO₂ at 0.003 ppm. Because only one record exists for each of these gases, there is no observable variation or recent trend to describe.
The limited number of stations (two) and the predominance of “old” timestamps mean that the snapshot does not capture short‑term fluctuations that may occur across different parts of Nakhon Pathom. While PM₂.₅ offers a modest range of values from the most up‑to‑date reading, the other pollutants provide only static points in time, so conditions can differ by location and moment beyond what is reflected 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 Nakhon Pathom is based on two valid measurements and was refreshed recently, with the latest update recorded at 2026‑02‑10T22:00:02+00:00 (updated within 3 days). This snapshot reflects conditions at the time of sampling; air quality can differ across neighborhoods and change throughout the day, so values may not represent every location or moment in the city.
OpenAQ station rows
| Station | Parameter | Value | Unit | Last updated |
|---|---|---|---|---|
| Water reservoir | co | 0.5 | ppm | 2025-01-07 08:00 UTC |
| Water reservoir | no2 | 0.001 | ppm | 2023-04-01 09:00 UTC |
| Water reservoir | o3 | 0.047 | ppm | 2025-01-07 08:00 UTC |
| Water reservoir | pm10 | 30.0 | µg/m³ | 2025-03-15 15:00 UTC |
| Water reservoir | pm25 | 45.3 | µg/m³ | 2026-02-10 22:00 UTC |
| Water reservoir | so2 | 0.003 | ppm | 2022-09-27 02:00 UTC |
| NASA GSFC Rutgers Calib. N17 | pm25 | 26.28 | µg/m³ | 2026-02-10 22:00 UTC |