PurpleAir sensors, which measure particulate matter (PM), are widely used by individuals,
community groups, and other organizations including state and local air monitoring …

Particulate matter (PM) is an important player in indoor air quality. Even though PM limit
values are in force for more than a decade in Europe and reference methods are well in …

As part of the 12th Five-Year Plan, the Chinese government has developed air pollution
prevention and control plans for key regions with a focus on the power, transport, and …

China has been seriously affected by particulate matter (PM) and gaseous pollutants in the
atmosphere. In this study, we systematically analyse the spatio-temporal patterns of PM 2.5 …

Long-term air quality data with high temporal and spatial resolutions are needed to
understand some important processes affecting the air quality and corresponding …

Meteorological conditions within the planetary boundary layer (PBL) are closely governed
by large-scale synoptic patterns and play important roles in air quality by directly and …

To better understand the potential environmental and human health impacts of fine airborne
particulate matter (APM), detailed physical and chemical characterisation is required. The …

Vehicle exhaust emissions have been decreasing due to stricter regulations and
advancements in control strategies. However, non-exhaust emissions from brake and tire …

Low-cost sensors (LCS) can construct a high spatial and temporal resolution PM 2.5 network
but are affected by environmental parameters such as relative humidity and temperature …

PurpleAir particulate matter (PM) sensors are increasingly used in the United States and
other countries for real-time air quality information, particularly during wildfire smoke …