| particulate matter | 2.76 | The dominant pollutant is particulate matters or dust. | ||
| particulate pollution | 1.45 | ...the particulate pollution in our atmosphere. | ||
| particulate level | 0.59 | Particulate levels Wednesday did not approach what they had been in previous days. | ||
| particulate emission | 0.53 | But whether biodiesel actually reduces particulate emissions is a key point of contention. |