What is the air quality in Nakhon Ratchasima?

Nakhon Ratchasima, Thailand has an annual US AQI of 81 (Polluted) and average PM2.5 of 24.6 µg/m³, ranking #3839 of 5856 cities. Main pollutant: PM2.5.

What is the cleanest month in Nakhon Ratchasima?

June is typically the cleanest month (AQI 61) and February the most polluted (AQI 118).

Where does Nakhon Ratchasima's air quality data come from?

PM2.5: 1998–2026 (monitors 2019–2026, satellite 1998–2020; 2026 provisional). Measured by government monitoring stations. Full sources are on the methodology page.

Nakhon Ratchasima, Thailand — Air Quality & Clean City Guide 2026

Nakhon Ratchasima Air Quality Data

Global rank	City	Continent	AQI	PM2.5
3839	Nakhon Ratchasima, Thailand	Asia	AQI 81	PM2.5 24.6 µg/m³