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title Towards an improved air quality index
authors Monteiro, A; Vieira, M; Gama, C; Miranda, AI
author full name Monteiro, A.; Vieira, M.; Gama, C.; Miranda, A. I.
title Towards an improved air quality index
nationality internacional
language English
document type Article
author keywords Air quality; Classification index; Public health; Communication; Legislation
abstract Air quality indices (AQI) are commonly used to indicate the level of severity of air pollution to the public. A number of methods were developed in the past by various researchers/environmental agencies for the calculation of AQI, but there is no universally accepted method, appropriate for all situations. An updated review of the major air quality indices developed worldwide is presented in this paper. These methods differentiate mainly in the number of pollutants included, its sampling period and air quality classes and breakpoints. When applying different AQI to a common case study, important differences are found in terms of the classification of the quality of the air. The purposes of this research are to identify weaknesses of the current AQI and to discuss possible changes and updates with Portugal as case study. A survey, with 10 questions about the calculation and use of the AQI and its dissemination to public, was delivered to the five regional environmental agencies in Portugal and, based on results, modifications to the current AQI are proposed. Two main changes-inclusion of PM2.5 and specific urban/industrial AQI-were tested, comparing the current and the proposed AQI along the 2014 year. It is observed that a significant difference exists when specific urban and industrial sites are considered when calculating the AQI. On the other hand, and contrarily to other regional studies, the results show that the inclusion of fine suspended particulate (PM2.5) does not impact the final AQI value.
author address [Monteiro, A.; Vieira, M.; Gama, C.; Miranda, A. I.] Univ Aveiro, Dept Environm & Planning, CESAM, P-3810193 Aveiro, Portugal
reprint address Monteiro, A (reprint author), Univ Aveiro, Dept Environm & Planning, CESAM, P-3810193 Aveiro, Portugal.
e-mail address alexandra.monteiro@ua.pt
funding agency and grant number Portuguese Agency for the Environment; Regional Coordination and Development Commission (CCDRs); FEDER through the COMPETE Programme; national funds from FCT-Science and Technology Portuguese Foundation [SFRH/BD/87468/2012]; CESAM [UID/AMB/50017]; FCT/MEC through national funds; FEDER, within the PT Partnership Agreement and Compete
funding text The authors wish to thank the Portuguese Agency for the Environment and the Regional Coordination and Development Commission (CCDRs) for their support. Also, the authors would like to acknowledge the financial support of FEDER through the COMPETE Programme and the national funds from FCT-Science and Technology Portuguese Foundation for the Ph.D. grant of C. Gama (SFRH/BD/87468/2012). Thanks are also due for the financial support to CESAM (UID/AMB/50017), to FCT/MEC through national funds, and the co-funding by the FEDER, within the PT2020 Partnership Agreement and Compete 2020.
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cited reference count 37
publisher city CHAM
publisher address GEWERBESTRASSE 11, CHAM, CH-6330, SWITZERLAND
issn 1873-9318
29-character source abbreviation AIR QUAL ATMOS HLTH
iso source abbreviation Air Qual. Atmos. Health
publication date MAY
year published 2017
volume 10
issue 4
beginning page 447
ending page 455
digital object identifier (doi) 10.1007/s11869-016-0435-y
page count 9
web of science category Environmental Sciences
subject category Environmental Sciences & Ecology
document delivery number ES0CJ
unique article identifier WOS:000399193300005
link http://link.springer.com/article/10.1007/s11869-016-0435-y