Fig. 2
From: Opportunities for winter prescribed burning in mixed conifer plantations of the Sierra Nevada
Number of days in prescription (gray) and, of those days, CARB allowable-burn days in terms of air quality (dark gray) per winter season at BFRS. Results of Mann-Kendall trend test are shown at the top left. *Air qualityCARB data available from 1998 to 2020 only