Heavily Enforced
Very Intolerant
| Quality | Average ($/Oz.)* | Sample Size |
| High Quality | $352.8 | 7238 |
| Medium Quality | $297.29 | 7555 |
| Low Quality | I feel bad for these guys --> | 556 |
| Chicago, Illinois | $40 | an eighth | high quality | July 25, 2017 |
| Springfield, Illinois | $240 | an ounce | high quality | July 25, 2017 |
| Highland Park, Illinois | $20 | a gram | medium quality | July 23, 2017 |
| Chicago, Illinois | $35 | an eighth | medium quality | July 23, 2017 |
| Round Lake, Illinois | $10 | a gram | medium quality | July 23, 2017 |
| Champaign, Illinois | $20 | a gram | medium quality | July 22, 2017 |
| Wauconda, Illinois | $220 | an ounce | high quality | July 21, 2017 |
| Evanston, Illinois | $250 | an ounce | medium quality | July 21, 2017 |
| Naperville, Illinois | $15 | a gram | medium quality | July 20, 2017 |
| Chicago, Illinois | $35 | an eighth | high quality | July 20, 2017 |
| Naperville, Illinois | $15 | a gram | medium quality | July 20, 2017 |
| Naperville, Illinois | $20 | a gram | medium quality | July 18, 2017 |
| Chicago, Illinois | $60 | 5 grams | medium quality | July 18, 2017 |
| Chicago, Illinois | $200 | an ounce | high quality | July 18, 2017 |
| Highland, Illinois | $160 | an ounce | high quality | July 17, 2017 |