3 ms·
That comment was about car and industrial exhaust, though I'm not sure if the central valley or bay area is a larger contributor to it.
by dehrmann 4y ago
That comment was about car and industrial exhaust, though I'm not sure if the central valley or bay area is a larger contributor to it.
- masonic 4y agoDownstream refers to liquids, or concepts. Perhaps "downwind" was meant?