Air quality monitoring Air quality 3 Anomaly detection 3 Forecasting 2 High impact 2 Indoor air pollution 2 Indoor air quality 2 Quality control 2 Singular Spectral Analysis 2 Singular spectral analyse 2 Spectrum analysis 2 Time derivative 2 Time series 2 Time series analysis 2 Times series 2 Times series models 2 Tree-partition 2 Treepartition modeling 2 air quality monitoring 2 anomalies detection 2 forecasting 2 time series modelling 2 treepartition modelling 2 'current 1 Costs 1 Crowdsourcing 1 Fine particulate matter 1 Functional data 1 Hotspots 1 Low-cost sensors 1