Table 1 Variables of the daily vector index, meteorological data, and air quality indices

Dengue cases

Local dengue cases

Centers for Disease Control, Taiwan^a,b

Dengue daily confirmed cases

Vector index

BI

HI

LI

Dengue mosquito investigation records

\(\mathrm{BreteauIndex}\left(\text{BI}\right)(\%)=\frac{No.\;of\;positive\;containers\;infested}{Total\;no.\;of\;containers\;inspected}\ast100\)  

\(\mathrm{HouseIndex}\left(\text{HI}\right)(\%)=\frac{No.\;of\;positive\;housees\;infected}{Total\;no.\;of\;houses\;inspected}\ast100\)  

\(\mathrm{LarvaIndex}\left(\text{LI}\right)(\%)=\frac{No.\;of\;larvae}{Total\;no.\;of\;houses\;inspected}\ast100\)  

Meteorological data

Temperature

Rainfall

Relative humidity

UV index

Wind speed

Atmospheric pressure

Central Weather Bureau, Taiwan^c

Temperature: daily average temperature (^oC)

Rainfall: daily total rainfall (mm)

Relative Humidity: daily average relative humidity (%)

UV Index

Wind Speed: average wind speed per hour (km/hr)

Atmospheric pressure (hPa)

Air quality index

PM₁₀

PM_2.5

Environmental Protection Administration, Taiwan^d

PM₁₀(μg/m³): Inhalable particles with diameters which are 10 µm or smaller

PM_2.5(μg/m³): Inhalable particles with diameters which are 2.5 µm or smaller