Our study is limited by our use of air pollution measurements from a single stationary ambient monitoring site as our exposure measure, which may cause exposure misclassification.
As few health studies in these settings had been able to simultaneously perform quantitative pollution measurements, there were no exposure-response functions available for HAP even if measured exposures had been available for a burden of disease assessment.
There isn't universal agreement on the pollution measurements.
For years, UK air pollution measurements have failed to show improvements in air quality, even as standards have tightened.
This article has been amended to correct air pollution measurements of PM10 and PM2.5 particles mistakenly given in terms of square metres rather than cubic metres.
That was the wonderfully candid, and quickly revised, term adopted by the U.S. Embassy when it began to report pollution measurements that were literally off the charts.
"I don't trust the pollution measurements of the Beijing government," said Ms. Zhang's father, Zhang Xiaochuan, a retired newspaper administrator.
Chinese officials prefer to publicly release air pollution measurements that give only levels of PM 10, although foreign health and environmental experts say PM 2.5 can be deadlier and more important to track.
A Defra spokeswoman said: "Winds bringing in pollution from the continent, combined with locally generated pollution and still weather conditions has led to some high pollution measurements across the UK.
The first observations of these phenomena were made in the late 1990s as part of the Indian Ocean Experiment (INDOEX), in which coordinated air pollution measurements were taken from satellites, aircraft, ships, surface stations, and balloons.
The first observations of this phenomenon were made in the late 1990s as part of the Indian Ocean Experiment (INDOEX), in which coordinated air pollution measurements were taken from satellites, aircraft, ships, surface stations, and balloons.
