Sentence examples for mean pollution levels from inspiring English sources
They have offered reams of statistics and argued strenuously that the gray color of the skies does not mean pollution levels are unsafe.
As a consequence, NO2 pollution levels have increased in those European countries with a high diesel car share, yet even in heavy traffic hot spots in moderately dieselized Germany, 34% of 489 measuring stations record NO2 mean pollution levels above the European Union threshold of 40 μg·m−3 in 2010[69].
This was used to give daytime mean temperature and mean pollution levels for the area.
Los Angeles had the highest mean pollution levels, and Winston-Salem and St. Paul had the lowest.
This contrasts with the study of Trenga and co-workers who identified a relationship between 24 hour mean pollution levels and lung function in children with asthma [ 24].
For model data with proportional error therefore it is important to note that our findings may depend to some extent on grid-specific mean pollution levels and the validity of the assumptions we make in simulating them (see Equation 1.2a).
These associations were strongest for PM2.5 and fine particle count concentrations, with an approximate 20% increase in FENO per 4.2 μg/m or 45 pt/cm increase in the preceding 6-hr mean pollution level, respectively.
It means that these kinds of studies are needed in areas with average pollution levels as well as those with major pollution problems.
Mean air pollution levels for PM2.5 and O3 remain relatively consistent across race/ethnicity and the SES variables (results not shown).
Puett et al. (17) on the other hand failed to detect associations with the 1-year mean particulate pollution levels before diabetes incidence.
Measurements from monitoring stations are available over large regions and effectively reflect temporal variations in the mean ambient pollution level at each monitoring site, but their lack of geographical resolution is a serious limitation for pollutants with fine scale spatial variation such as NOx and CO.
