As new scientific evidence on health effects of air pollution is generated, air quality
guidelines need to be periodically updated. The objective of this review is to support the …

Background WHO has published several volumes of Global Air Quality Guidelines to provide
guidance on the health risks associated with exposure to outdoor air pollution. As new …

Background Long-term exposure to ambient air pollution has been associated with
premature mortality, but associations at concentrations lower than current annual limit …

Background The evidence for a causal relationship between long-term ozone exposure and
cardiovascular mortality is inconclusive, and most published data are from high-income …

Chronic exposure to fine particulate matter (PM 2. 5) poses a major global health risk,
commonly assessed by assuming equivalent toxicity for different PM 2. 5 constituents. We …

Background Fine particulate matter< 2.5 µm in diameter (PM2. 5) has known effects on
cardiovascular morbidity and mortality. However, no study has quantified and compared the …

Much of the key epidemiological evidence that long-term exposure to fine particulate matter
air pollution (PM 2.5) contributes to increased risk of mortality comes from survival studies of …

This review provides a community's perspective on air quality research focusing mainly on
developments over the past decade. The article provides perspectives on current and future …

In recent years, air pollution has increased significantly due to anthropogenic factors and
has become a global problem. Heavy metals in air pollution components; it is of particular …

Background The association between long-term exposure to air pollution and mortality from
cardiorespiratory diseases is well established, yet the evidence for other diseases remains …