For 2019 the Exchange holds recorded ERC prices from 2 California districts. NOx was recorded only in San Joaquin Valley, at $15,000 per ton. ROG / VOC ran from $4,500 per ton in San Joaquin Valley to $25,000 in Yolo-Solano. PM10 was recorded only in San Joaquin Valley, at $17,500 per ton. SOx was recorded only in San Joaquin Valley, at $12,500 per ton. Each figure is the median (or, where only an average was published, the average) per ton for that district and pollutant, with the number of sales it rests on and its source.
NOx, 2019
ROG / VOC, 2019
PM10, 2019
SOx, 2019
n is the number of priced sales behind the figure; for CARB's reports it is the district's recorded transactions that year across all pollutants. Prices are as recorded, not adjusted for inflation.