For 2021 the Exchange holds recorded ERC prices from 1 California district. NOx was recorded only in Yolo-Solano, at $40,000 per ton. ROG / VOC was recorded only in Yolo-Solano, at $25,000 per ton. PM10 was recorded only in Yolo-Solano, at $21,140 per ton. SOx was recorded only in Yolo-Solano, at $17,000 per ton. CO was recorded only in Yolo-Solano, at $3,391 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, 2021
ROG / VOC, 2021
PM10, 2021
SOx, 2021
CO, 2021
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.