Air Pollutants/toxicity; Lung/drug effects; Nanotubes, Carbon/toxicity; Oxidants, Photochemical/toxicity; Ozone/toxicity; Pneumonia/chemically induced; Acute Disease; Administration, Inhalation; Animals; Biomarkers/analysis; Bronchoalveolar Lavage Fluid/chemistry; Bronchoalveolar Lavage Fluid/cytology; Cell Count; Drug Interactions; Drug Therapy, Combination; Female; Inhalation Exposure; Interleukin-1beta/analysis; L-Lactate Dehydrogenase/analysis; Lung/metabolism; Lung/pathology; Mice; Mice, Inbred C57BL; Mucins/analysis; Neutrophils/drug effects; Neutrophils/pathology; Oxidative Stress; Pneumonia/metabolism; Pneumonia/pathology; Proteins/analysis; Superoxide Dismutase/metabolism; Tumor Necrosis Factor-alpha/analysis