AI	Artificial Intelligence
ARIMA	AutoRegressive Integrated Moving Average
ARPA	Regional Environmental Protection Agency
CRDs	Cardiorespiratory Diseases
CWSM	Complex Wireless Sensors Model
CO	Carmon monoxide
CVD	Cardiovascular Disease
DEW	Dew Point Temperature
DCTs	Dates corresponding to Critical Thresholds
DNN	Deep Neural Network
DT	Decision Tree
ED	Emergency Department
EBM	Explainable Boosting Machine
ER	Emergency Room
GAMs	Generalized Additive Models
GBDT	Gradient Boosting Decision Trees
KNN	K-Nearest Neighbors
LASSO	Least Absolute Shrinkage and Selection Operator
LightGBM	Light Gradient Boosting Machine
LIME	Local Interpretable Model-Agnostic Explanations
LR	Linear Regression
LSTM	Long Short-Term Memory
MAE	Mean Absolute Error
MAPE	Mean Absolute Percentage Error
ML	Machine Learning
MLP	Multi-Layer Perceptron
MLR	Multivariable Linear Regression
MSE	Mean Squared Error
NO2	Nitrogen Dioxide
NSTEMI	Non-ST-Elevation Myocardial Infarction
O3	Ozone
P_atm	Atmospheric Pressure
PM10	Particulate Matter ≤ 10 μm
PM2.5	Particulate Matter ≤ 2.5 μm
R2	Coefficient of determination
RF	Random Forest
RH	Relative Humidity
RMSE	Root Mean Squared Error
RRQA	Regional Air Quality Network
SHAP	SHapley Additive exPlanations
SVR	Support Vector Regression
Tavg	Average Temperature
TPEs	Tree-structured Parzen Estimators
UA	Unstable Angina
UAV	Unmanned Aerial Vehicle
UV	Ultraviolet Radiation
XAI	Explainable Artificial Intelligence
XGBoost	Extreme Gradient Boosting