The Ontario Datasets

	Country/Region	Spatial Resolution	Temporal Resolution	Years Available
Air Pollutants
PM2.5	Ontario	0.01° x 0.01°	Daily	2004 to 2023
PM10	Ontario	0.01° x 0.01°	Daily	2004 to 2023
8-h Maximum O3	Ontario	0.1° x 0.1°	Daily	2004 to 2023
NO2	Ontario	0.1° x 0.1°	Daily	2004 to 2023
SO2	Ontario	0.1° x 0.1°	Daily	2004 to 2023
Wildfire-Related PM2.5	Ontario	0.25° x 0.25°	Daily	2000 to 2023
Meteorological Factors
Temperatures
– Mean	Ontario	0.01° x 0.01°	Daily	1996 to 2023
– Maximum	Ontario	0.01° x 0.01°	Daily	1996 to 2023
– Minimum	Ontario	0.01° x 0.01°	Daily	1996 to 2023
Relative Humidity	Ontario	0.01° x 0.01°	Daily	1996 to 2023
Sunlight Intensity	Ontario	0.01° x 0.01°	Daily	1996 to 2023
Windspeed	Ontario	0.01° x 0.01°	Daily	1996 to 2023
Surface Air Pressure	Ontario	0.01° x 0.01°	Daily	1996 to 2023
Greenness Exposures
NDVI	Ontario	250m & 500m	16-day	2005 to 2023
Travel Time to The Nearest Green Space
– Park Access by Walking	Ontario	250 m	Annually	2005 to 2021
– Park Access by Bike	Ontario	250 m	Annually	2005 to 2021
– Park Access by Car	Ontario	250 m	Annually	2005 to 2021
– Forest Access by Car	Ontario	250 m	Annually	2005 to 2021

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