| IPF | idiopathic pulmonary fibrosis |
| AE-IPF | acute exacerbation of idiopathic pulmonary fibrosis |
| FVC | forced vital capacity |
| ILAs | interstitial lung abnormalities |
| ILDs | interstitial lung diseases |
| NO2 | nitric dioxide |
| NOx | nitric oxides |
| PM2.5 | particulate matter < 2.5 μm |
| PM10 | particulate matter < 10 μm |
| O3 | ozone. |
Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.