| 100% | SMOG | 4 | Air pollution that's a major problem in China |
| 49% | SMOG | 4 | Air pollution that's bad in Beijing |
| 44% | SMOG | 4 | Air pollution that obscures a skyline |
| 42% | SMOG | 4 | Air pollution that is quite literally a "smoky fog" |
| 41% | MARIA | 5 | She's a problem that needs to be solved, in song |
| 41% | SMOG | 4 | Air pollution problem in many large cities |
| 40% | SMOG | 4 | Pollution that factors in the Air Quality Index |
| 38% | NEEDLE | 6 | Silver ___, type of white tea produced in China that's rich in antioxidants (named after a sewing implement) |
| 38% | ASIAN | 5 | AFC Women's ___ Cup (soccer tournament that China once won seven times in a row) |
| 37% | STHELENS | 8 | American volcano that had a major eruption in 1980 |
| 37% | SMOG | 4 | Type of air pollution that is a combination of smoke and fog |
| 37% | PERSIMMON | 9 | Fruit that's a major Chinese export |
| 36% | MACHINE | 7 | Humidifier is a __ that puts moisture in the air |
| 36% | CURRENT | 7 | Water or air that moves in a certain direction |
| 36% | AJAR | 4 | Just open enough that a little air can get in |
| 35% | IKEA | 4 | Company that was the first in the U.S. to air a TV ad with a gay couple (1994) |
| 35% | OREO | 4 | Sandwich cookie that now comes in a S'mores variety |
| 35% | SOMETHINGSAFOOT | 15 | "I have an strange feeling that a mystery's in the air!" |
| 35% | YAM | 3 | Starchy vegetable that's a major export of Nigeria |
| 35% | EMPRESSORCHID | 13 | Anchee Min historical novel set in China that has a flower in its title (2 wds) |
| 35% | PERSEIDS | 8 | Name of a major 14-Across that peaks early in the week of August 12, 2019 |
| 35% | SMOG | 4 | Air pollution that limits visibility |
| 34% | MACINTOSH | 9 | Apple's now-famous personal computer that was first introduced in a famous "1984" commercial that aired during Super Bowl XVIII |
| 34% | STP | 3 | Fuel additive brand that's a major NASCAR sponsor |
| 34% | ENID | 4 | Name that's a city in Oklahoma |
| 34% | EMIL | 4 | Name that's a fruit in reverse |
| 34% | OREO | 4 | Cookie that debuted a wasabi-flavored version in China in 2018 |
| 34% | STP | 3 | Motor oil choice, that's a major NASCAR sponsor |
| 34% | SWAN | 4 | Bird that's "a-swimming" in a Christmas song |
| 34% | EASYA | 5 | Course that's a walk in the park |