For 2017 the Exchange holds recorded ERC prices from 3 California districts. NOx was recorded only in San Joaquin Valley, at $24,000 per ton. ROG / VOC ran from $891 per ton in San Joaquin Valley to $20,565 in Yolo-Solano. PM10 ran from $9,000 per ton in Mojave Desert to $16,250 in Yolo-Solano. SOx was recorded only in San Joaquin Valley, at $16,000 per ton. CO ran from $860 per ton in Yolo-Solano to $2,500 in San Joaquin Valley. 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, 2017
ROG / VOC, 2017
PM10, 2017
SOx, 2017
CO, 2017
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.