Recorded prices, banked inventory by district, and a direct line to the holders — in one place.
ROG/VOC is the other ozone precursor, carrying offset obligations alongside NOx in nonattainment districts. CARB treats HC, ROG, VOC, POC, and ROC as equivalent labels for the same credit class.
| District | Median $/ton | Low | High |
|---|---|---|---|
| Imperial County APCD | $1,100 | $1,000 | $1,850 |
| San Joaquin Valley APCD | $69,950 | $2,730 | $174,690 |
| South Coast AQMD | $21,875 | $314.02 | $27,397.26 |
| Bay Area AQMD | $9,125 | $8,500 | $10,000 |
| Placer County APCD | $35,000 | $35,000 | $35,000 |
Source: CARB 2022 ERC transaction report. Yolo-Solano's own transaction history (1998–2024) shows VOC / ROG clearing $944–$55,000/ton across 40 recorded transactions.
Registry entries confirming banked ROG / VOC volumes, by district:
Search all banked ROG / VOC ERCs Post what you need — we find it
ERCs are district-bound: a ROG / VOC credit is usable in the district (or, with approval, the air basin) where it was generated. Tell us the district and tonnage your permit requires and we search the registries, contact holders, and can represent you as buyer's broker — no fee to inquire. Holders list free and set their own price.