Finally, we need to beef up U.S. embassy personnel in visa countries such as China and Brazil to cut the 100-day waiting time and multi-hour visa application lines.

FORBES: Destination: USA

Meanwhile, a U.S. Embassy official said four Americans are or were quarantined in China: two in Beijing and two in southern Guangdong province.

CNN: Second U.S. death linked to swine flu, officials say

The U.S. Embassy in Beijing publishes AQI values for Beijing and other cities in China, and the Chinese Ministry of Environmental Protection provides its own air quality data for cities throughout the country.

FORBES: Air Quality In China