Air quality in Beijing

The Chinese Government convieniently provides a web page reporting the air quality in a number of major Chinese cities. What this web page doesn't tell is what it looks like outside. Today we have grade 3A air pollution with an index value of 112. The average visibility has been about 2 miles.

The last time I did any serious exercise outside was Saturday, when the pollution was "grade 1", with an index value of 32 (it was overcast in the morning with some light rain.) The exercise? 2-3 hour bike ride in the afternoon, after the rain stopped. The following day, Sunday, was our token blue-sky day for the week/fortnight, however, the air was not quite as clean.

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