What is the air quality in Blenheim?

Blenheim, New Zealand has an annual US AQI of 39 (Reasonable) and average PM2.5 of 7.8 µg/m³, ranking #249 of 5856 cities. Main pollutant: PM2.5.

What is the cleanest month in Blenheim?

November is typically the cleanest month (AQI 32) and June the most polluted (AQI 49).

Where does Blenheim's air quality data come from?

PM2.5: 1998–2026 (monitors 2016–2026, satellite 1998–2016, 2021–2023; 2026 provisional). Measured by government monitoring stations. Full sources are on the methodology page.

Blenheim, New Zealand — Air Quality & Clean City Guide 2026

Blenheim Air Quality Data

Global rank	City	Continent	AQI	PM2.5
249	Blenheim, New Zealand	Oceania	AQI 39	PM2.5 7.8 µg/m³