Analysing and Interpreting Air Monitoring Data WHO Offset Publication No. 51

Book : Analysing and Interpreting Air Monitoring Data WHO Offset Publication No. 51

Author : * --

Language : English

Episode : Social Policy

Publishing Location : Geneva

ISBN : 92 4 170051 3

Published Date : 1980

Publisher : World Health Organization WHO

Document Type : Periodical

Book No : 7853

INDEX

CONTENTS

Contributors and reviewers . . . . . . . . . . . 4
Foreword . . . . . . . . . . . . . . . . . . . . 5
Introduction . . . . . . . . . . . . . . . . 6
1 Summarizing air quality data . . . . . . . . . . 8
1.1 Introduction . . . . . . . . . . . . . . . 8
1.2 Presenting raw data . . . . . . . . . . . . 8
1.3 Statistical summaries . . . . . . . . . . . 10
1.4 Geographical summaries . . . . . . . . . 17
2 Air quality data analysis . .. . . . . . . . . 21
2.1 Introduction . . . . .. . . . . . . . . . 21
2.2 Limitations of incomplete data sets . . . . . 21
2.3 Air pollution data distribution . . . . . . . . . 24
2.4 Time series .. . . . . . . . . . . . . 33
2.5 Analysis as a function of meteorological conditions 39
2.6 Correlation and regression techniquie. . . . . . 42
3 Interpretation of air monitoring data - an example . . 45
3.1 Introduction . . . . . . . . .. . . . . . . . . 45
3.2 Data summary . . . . . . . . . . . . . . . . . 45
3.3 Frequency distribution analysis . . . . . . . . . . 47
3.4 Trends . . . . . . . . . . . . . . . . . . . 50
3.5 Comparison with standards or guides. . . . . . . . 51
3.6 Calculation of required air pollution reductions . . 51
References . . . . . . . . . . . . . . . . . 53
Annex 1. Values of Fisher's . . . . . . . . . . . . 56
Annex 2. Model log-probability paper . . . . . . . . . . 57
Annex 3. Ratio of maxima to arithmetic mean concentrations
for various averaging times . . . . . . . . 58
Annex 4. Critical values of the Spearman rank correlation coefficient . .59