Friday: On the day of the Olympic opening ceremonies, the Air Pollution Index reading was a moderate 94 (see the “Beijing Air Quality” box on the right side of this page):
And here’s the same view one week earlier, when the API reading was a 27:
Friday: On the day of the Olympic opening ceremonies, the Air Pollution Index reading was a moderate 94 (see the “Beijing Air Quality” box on the right side of this page):
And here’s the same view one week earlier, when the API reading was a 27: