Heavily Enforced
Very Intolerant
| Quality | Average ($/Oz.)* | Sample Size |
| High Quality | $356.71 | 4618 |
| Medium Quality | $285.98 | 4224 |
| Low Quality | $189.75 | 382 |
| Chicago, Illinois | $275 | an ounce | medium quality | April 24, 2014 |
| Aurora, Illinois | $120 | a quarter | medium quality | April 24, 2014 |
| Libertyville, Illinois | $60 | an eighth | high quality | April 24, 2014 |
| Kankakee, Illinois | $300 | an ounce | medium quality | April 24, 2014 |
| Batavia, Illinois | $10 | an ounce | medium quality | April 23, 2014 |
| Aurora, Illinois | $100 | 5 grams | medium quality | April 23, 2014 |
| Summit Argo, Illinois | $180 | a half ounce | high quality | April 23, 2014 |
| Quincy, Illinois | $25 | a half ounce | medium quality | April 23, 2014 |
| Chicago, Illinois | $100 | 5 grams | medium quality | April 23, 2014 |
| Oak Brook, Illinois | $200 | an ounce | medium quality | April 23, 2014 |
| Belvidere, Illinois | $30 | an ounce | low quality | April 23, 2014 |
| Chicago, Illinois | $50 | an eighth | low quality | April 23, 2014 |
| Chicago, Illinois | $50 | an eighth | low quality | April 23, 2014 |
| Champaign, Illinois | $240 | an ounce | high quality | April 23, 2014 |
| Addison, Illinois | $100 | a half ounce | medium quality | April 22, 2014 |