Heavily Enforced
Very Intolerant
| Quality | Average ($/Oz.)* | Sample Size |
| High Quality | $352.84 | 7592 |
| Medium Quality | $296.73 | 7953 |
| Low Quality | I feel bad for these guys --> | 560 |
| Quincy, Illinois | $15 | a gram | high quality | January 26, 2020 |
| Schaumburg, Illinois | $70 | a quarter | medium quality | January 25, 2020 |
| Chicago, Illinois | $100 | an ounce | medium quality | January 23, 2020 |
| Chicago, Illinois | $40 | an eighth | medium quality | January 23, 2020 |
| Tinley Park, Illinois | $135 | an ounce | high quality | January 23, 2020 |
| Chicago, Illinois | $30 | 5 grams | medium quality | January 20, 2020 |
| Franklin Park, Illinois | $10 | a gram | high quality | January 19, 2020 |
| East Peoria, Illinois | $70 | a gram | medium quality | January 18, 2020 |
| Chicago, Illinois | $100 | 10 grams | high quality | January 17, 2020 |
| Waukegan, Illinois | $25 | an eighth | high quality | January 17, 2020 |
| Chicago, Illinois | $150 | an ounce | medium quality | January 14, 2020 |
| Colona, Illinois | $240 | an ounce | medium quality | January 12, 2020 |
| Elmwood Park, Illinois | $165 | an ounce | medium quality | January 11, 2020 |
| Champaign, Illinois | $120 | a half ounce | medium quality | January 10, 2020 |
| Chicago, Illinois | $35 | a quarter | high quality | January 9, 2020 |