> the time that the Western world had smog events like China had up until their Olympic Games is decades in the past. China has actually made very significant

> the time that the Western world had smog events like China had up until their Olympic Games is decades in the past. China has actually made very significant efforts to reduce smog, and there's been a huge improvement in the last 10 years. There's still way more smog than in the US or Western Europe, but it's gotten dramatically better, and it will probably continue to get better.