Heavily Enforced
Very Intolerant
| Quality | Average ($/Oz.)* | Sample Size |
| High Quality | $355.76 | 5005 |
| Medium Quality | $283.21 | 4725 |
| Low Quality | $194 | 408 |
| Crest Hill, Illinois | $290 | an ounce | high quality | August 1, 2014 |
| Rockford, Illinois | $40 | an eighth | high quality | August 1, 2014 |
| Chicago, Illinois | $60 | an eighth | high quality | August 1, 2014 |
| Aurora, Illinois | $100 | a quarter | medium quality | August 1, 2014 |
| Villa Park, Illinois | $20 | an ounce | high quality | August 1, 2014 |
| Lemont, Illinois | $80 | a quarter | medium quality | August 1, 2014 |
| Buffalo Grove, Illinois | $400 | an ounce | high quality | August 1, 2014 |
| Chicago, Illinois | $50 | an eighth | medium quality | August 1, 2014 |
| Springfield, Illinois | $180 | a half ounce | high quality | August 1, 2014 |
| Oak Forest, Illinois | $100 | 10 grams | high quality | August 1, 2014 |
| Chicago, Illinois | $60 | an eighth | medium quality | August 1, 2014 |
| Bartlett, Illinois | $60 | an eighth | medium quality | August 1, 2014 |
| Chicago, Illinois | $40 | an eighth | medium quality | August 1, 2014 |
| Rockford, Illinois | $300 | an ounce | high quality | August 1, 2014 |
| Chicago, Illinois | $60 | an ounce | medium quality | July 31, 2014 |