A Fuzzy Soft Model for Haze Pollution Management in Northern Thailand

Table 6

Geographic information summary of the study area.

Label	Province	Latitude	Longitude	Approximate height above sea level (m)	Basin size	Airflow difficulty level
	Mae Hong Son	19.137805	97.975261	330	Moderate	3
	Chiang Mai	18.837539	98.971612	310	Narrow	4
	Lamphun	18.657448	99.020208	290	Narrow	4
	Chiang Rai	19.932397	99.799329	410	Moderate	3
	Phayao	19.211871	100.209360	400	Moderate	3
	Lampang	18.278623	99.506985	235	Normal	2
	Phrae	19.714564	100.180450	155	Moderate	3
	Nan	18.814173	100.781905	250	Normal	2