Convert Nanograms per cubic metre to Micrograms per cubic metre
Convert Nanograms per cubic metre (ng/m³) to Micrograms per cubic metre (µg/m³) instantly and accurately.
Conversion Formula
µg/m³ = ng/m³ × 0.001
About Nanograms per cubic metre
The nanogram per cubic metre (ng/m³) equals 10⁻¹² kg/m³, the resolution floor of atmospheric radionuclide and trace-contaminant monitoring. Sr-90 fallout from nuclear testing is measured in ng/m³; EPA Method TO-14A quantifies volatile organic compounds at this level. HEPA-filtered clean-room air achieves particulate densities of 1-100 ng/m³. 1 ng/m³ = 10⁻¹² kg/m³ = 10⁻³ µg/m³.
About Micrograms per cubic metre
The microgram per cubic metre (µg/m³) equals 10⁻⁹ kg/m³, the standard unit for ambient air quality reporting. WHO 2021 guidelines set annual mean limits for PM2.5 at 5 µg/m³ and PM10 at 15 µg/m³; NIOSH REL for nuisance dust is 10 000 µg/m³. Urban background air typically contains 10-50 µg/m³ of total suspended particles. 1 µg/m³ = 10⁻⁹ kg/m³ = 10⁻⁶ g/m³.
Quick Reference Table
| Nanograms per cubic metre (ng/m³) | Micrograms per cubic metre (µg/m³) |
|---|---|
| 1 ng/m³ | 0.001 µg/m³ |
| 2 ng/m³ | 0.002 µg/m³ |
| 5 ng/m³ | 0.005 µg/m³ |
| 10 ng/m³ | 0.01 µg/m³ |
| 25 ng/m³ | 0.025 µg/m³ |
| 50 ng/m³ | 0.05 µg/m³ |
| 100 ng/m³ | 0.1 µg/m³ |