The strange, concerning odor that wafted into Portland about three weeks ago originated in the area of Longview, Washington, air-quality officials said Thursday. But the hunt for the source of the smell continues. Late on Sept. 24 and the following morning, many residents of Southwest Washington and Portland smelled a sharp, unpleasant odor, with reports indicating the odor traveled south down the I-5 corridor. One person said on social media that it smelled “like a fat fart.” Officials at the time were stumped, saying no industries reported leaks or unusual discharges, and scientists at the U.S. Geological Survey said the odor did not come from geological activity. Read more at the link in our bio. 🤢 📸: mark_w_graves #odor #weirdsmell #badsmell #washington #washingtonstate #longview washington #portland #portlandoregon