Skip to main content
BBC NEWS / IN PICTURES
Graphics VersionBBC Sport Home
News Front Page | Africa | Americas | Asia-Pacific | Europe | Middle East | South Asia | UK | Business | Health | Science & Environment | Technology | Entertainment | Also in the news | Have Your Say |
06:16 GMT, Sunday, 24 August 2008 07:16 UK

In pictures: Beijing pollution-watch

Composite image of contrasting days
1 of 35
The BBC is sampling pollution levels in Beijing before and during the Olympics. The daily readings measure air particles known as PM10. The error margin is 20%.

General view from testing point
2 of 35
26 August PM10 reading: 93 micrograms per cubic metre. (The World Health Organisation guideline maximum is 50 micrograms per cubic metre, averaged over 24 hours.)

General view from testing point
3 of 35
25 August PM10 reading: 70 micrograms per cubic metre. We test for 10 minutes at midday from a seventh floor balcony in central Beijing.

General view from testing point
4 of 35
24 August PM10 reading: 99 micrograms per cubic metre.

General view from testing point
5 of 35
23 August PM10 reading: 12 micrograms per cubic metre.

General view from testing point
6 of 35
22 August PM10 reading: 21 micrograms per cubic metre.

General view from testing point
7 of 35
21 August PM10 reading: 56 micrograms per cubic metre.

General view from testing point
8 of 35
20 August PM10 reading: 87 micrograms per cubic metre.

General view from testing point
9 of 35
19 August PM10 reading: 39 micrograms per cubic metre.

General view from testing point
10 of 35
18 August PM10 reading: 18 micrograms per cubic metre. Blue skies over Beijing after a hazy Sunday.

General view from testing point
11 of 35
17 August PM10 reading: 54 micrograms per cubic metre.

General view from testing point
12 of 35
16 August PM10 reading: 7 micrograms per cubic metre. (The World Health Organisation guideline maximum is 50 micrograms per cubic metre, averaged over 24 hours.)

General view from testing point
13 of 35
15 August PM10 reading: 12 micrograms per cubic metre.

General view from testing point
14 of 35
14 August PM10 reading: 46 micrograms per cubic metre.

General view from testing point
15 of 35
13 August PM10 reading: 128 micrograms per cubic metre.

General view from testing point
16 of 35
12 August PM10 reading: 41 micrograms per cubic metre.

General view from testing point
17 of 35
11 August PM10 reading: 54 micrograms per cubic metre.

General view from testing point
18 of 35
10 August PM10 reading: 278 micrograms per cubic metre.

General view from testing point
19 of 35
9 August PM10 reading: 110 micrograms per cubic metre.

General view from testing point
20 of 35
8 August PM10 reading: 156 micrograms per cubic metre.

General view from testing point
21 of 35
7 August PM10 reading: 191 micrograms per cubic metre.

General view from testing point
22 of 35
6 August PM10 reading: 186 micrograms per cubic metre.

General view from testing point
23 of 35
5 August PM10 reading: 104 micrograms per cubic metre.

General view from testing point
24 of 35
4 August PM10 reading: 292 micrograms per cubic metre.

General view from testing point
25 of 35
3 August PM10 reading: 79 micrograms per cubic metre.

General view from testing point
26 of 35
2 August PM10 reading: 15 micrograms per cubic metre.

General view from testing point
27 of 35
1 August PM10 reading: 19 micrograms per cubic metre.

General view from testing point
28 of 35
31 July PM10 reading: 56 micrograms per cubic metre.

General view from testing point
29 of 35
30 July PM10 reading: 78 micrograms per cubic metre.

General view from testing point
30 of 35
29 July PM10 reading: 8 micrograms per cubic metre.

General view from testing point
31 of 35
28 July PM10 reading: 134 micrograms per cubic metre.

General view from testing point
32 of 35
27 July PM10 reading: 269 micrograms per cubic metre.

General view from testing point
33 of 35
26 July PM10 reading: 165 micrograms per cubic metre.

General view from testing point
34 of 35
25 July PM10 reading: 261 micrograms per cubic metre.

General view from testing point
35 of 35
24 July PM10 reading: 254 micrograms per cubic metre.

E-mail this to a friend
Related to this story:
Beijing pollution: Facts and figures (11 Aug 08 |  Asia-Pacific )

SEARCH BBC NEWS: 
News Front Page | Africa | Americas | Asia-Pacific | Europe | Middle East | South Asia | UK | Business | Health | Science & Environment | Technology | Entertainment | Also in the news | Have Your Say |

NewsWatch | Notes | Contact us | About BBC News | Profiles | History

^ Back to top | BBC Sport Home | BBC Homepage | Contact us | Help | ©