Colour-coding for provinces based on Covid-19 situation

Green provinces, where no Covid-19 cases have been found, are: Nan, Kamphaeng Phet, Chainat, Trat, Phichit, Sing Buri, Ang Thong, Bueng Kan, and Satun.
Light green provinces, where no Covid-19 patients have been found in the past 28 days, are: Phetchabun, Phrae, Sukhothai, Mahasarakham, Yasothon, Roi Et, Chanthaburi, Lop Buri, Uthai Thani, and Udon Thani
Light orange provinces, where no new Covid-19 patients have been found in the past 14 days, are: Phetchaburi, Kanchanaburi, Nakhon Nayok, Prachuap Khiri Khan, Rayong, Ratchaburi, Samut Songkhram, Saraburi, Suphanburi, Sa Kaeo, Trang, Chiang Rai, Kalasin, Chaiyaphum, Nakhon Ratchasima, Buri Ram, Mae Hong Son, Tak, Phitsanulok, Surin, Nong Khai, Nong Bua, Lampang, Lampang, Lamphun, Uttaradit, Amnat Charoen, Mukdahan, Si Saket, Sakon Nakhon and Ubon Ratchathani.
Orange provinces -- those with cases in the past 14 days -- are Chachoengsao, Nakhon Sawan, Prachinburi, Samut Prakan, Samut Sakhon, Phayao, Loei, Nakhon Phanom, Surat Thani, Phang Nga, Phatthalung, and Nakhon Si Thammarat.
Red ones, where Covid-19 patients have been found in the past seven days, are:
Khon Kaen, Krabi, Bangkok, Chonburi, Nakhon Pathom, Nonthaburi, Pathum Thani, Phra Nakhon Si Ayutthaya, Phuket, Yala, Songkhla, Narathiwat, Pattani, Chumphon.