However, air quality expressed by the air quality index (AQI) did not improve in Shanghai, China, during the COVID-19 outbreak in the spring of 2022. To better understand the reason, we investigated the variations of nitrogen dioxide (NO2), ozone (O3), PM2.5 (particular...
3. Impact of air quality on COVID-19 4. Air quality assessment 5. Indoor air quality improvement 6. Discussion and hypothesis 7. Conclusion and remarks Disclosure Declaration of Competing Interest ReferencesShow full outline Cited by (198) Figures (3) Tables (5) Table 1 Table 2 Table 3 ...
based on the data on criteria pollutants and air quality index (AQI) for selected sites in New Delhi and for selected cities across the country, respectively to spell out impacts of COVID-19 (which are initially positive) and the lessons for long-term planning for improvement of air quality...
lockdown measures to contain the COVID-19 virus outbreak, in early 2020, the concentrations and emissions of trace gases and aerosols in China changed substantially, which provided a sad but also unique opportunity to study the effect of a drastic change in anthropogenic emissions on air quality...
Mor, S.et al. Impact of COVID-19 lockdown on air quality in Chandigarh, India: understanding the emission sources during controlled anthropogenic activities., 127978.(2020). (The National Academies Press, Washington, DC, 2002). John, P. Lockdown: Off Ventilator, Gujarat’s Industrial Zones...
Environmental Protection Agency EPA, 2021, List N tool: COVID-19 disinfectants, https://cfpub.epa.gov/wizards/disinfectants/ European Commission. Horizon 2020 research project, Investigation of cabin ventilation strategies impact on aircraft cabin air quality and passengers’ comfort and wellbeing throu...
(1,200 μg/m3) in a nursery classroom during the COVID-19 pandemic. Furthermore, in Asia, a single measured SO2level exceeded the WHO standard level of 20 μg/m3for 24 h of indoor exposure to SO2in three DCCs while O3levels of 123 μg/m3exceeded the WHO standards level of 100 ...
This paper investigates the air quality in 107 Italian provinces in the period 2014–2019 and the association between exposure to nine outdoor air pollutants and the COVID-19 spread and related mortality in the same areas. The methods used were negative
Aftermath of Lockdown Throughout COVID- 19 Pandemic on Air Quality of Jaipur Vs Some Other Cities When comparing the lockout duration in 2020 to a certain period in 2019, a marked decrease in PM2.5 and AQI (Air Quality Index) was witnessed over ... H Chouhan - 《Ambient Science》 被引...
COVID-19 lockdown Change of air quality Lanzhou of China Post-epidemic era Policy implications 1. Introduction For more than two years, the coronavirus disease (COVID-19) epidemic has had a tremendous worldwide blow and been considered a crisis unprecedented since the Second World War (Liu, ...