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| # Air pollution variables and their properties | |
| AIR_POLLUTION_VARIABLES = { | |
| # PM2.5 | |
| 'pm2p5': {'units': 'µg/m³', 'name': 'PM2.5', 'cmap': 'YlOrRd', 'vmax_percentile': 95, 'type': 'surface'}, | |
| 'pm25': {'units': 'µg/m³', 'name': 'PM2.5', 'cmap': 'YlOrRd', 'vmax_percentile': 95, 'type': 'surface'}, | |
| 'PM2P5': {'units': 'µg/m³', 'name': 'PM2.5', 'cmap': 'YlOrRd', 'vmax_percentile': 95, 'type': 'surface'}, | |
| 'PM25': {'units': 'µg/m³', 'name': 'PM2.5', 'cmap': 'YlOrRd', 'vmax_percentile': 95, 'type': 'surface'}, | |
| 'pm2_5': {'units': 'µg/m³', 'name': 'PM2.5', 'cmap': 'YlOrRd', 'vmax_percentile': 95, 'type': 'surface'}, | |
| 'PM2_5': {'units': 'µg/m³', 'name': 'PM2.5', 'cmap': 'YlOrRd', 'vmax_percentile': 95, 'type': 'surface'}, | |
| 'particulate_matter_2_5': {'units': 'µg/m³', 'name': 'PM2.5', 'cmap': 'YlOrRd', 'vmax_percentile': 95, 'type': 'surface'}, | |
| 'particulate_matter_2.5um': {'units': 'µg/m³', 'name': 'PM2.5', 'cmap': 'YlOrRd', 'vmax_percentile': 95, 'type': 'surface'}, | |
| 'mass_concentration_of_pm2p5_ambient_aerosol_particles_in_air': {'units': 'µg/m³', 'name': 'PM2.5', 'cmap': 'YlOrRd', 'vmax_percentile': 95, 'type': 'surface'}, | |
| # PM10 | |
| 'pm10': {'units': 'µg/m³', 'name': 'PM10', 'cmap': 'Oranges', 'vmax_percentile': 95, 'type': 'surface'}, | |
| 'PM10': {'units': 'µg/m³', 'name': 'PM10', 'cmap': 'Oranges', 'vmax_percentile': 95, 'type': 'surface'}, | |
| 'pm10p0': {'units': 'µg/m³', 'name': 'PM10', 'cmap': 'Oranges', 'vmax_percentile': 95, 'type': 'surface'}, | |
| 'particulate_matter_10': {'units': 'µg/m³', 'name': 'PM10', 'cmap': 'Oranges', 'vmax_percentile': 95, 'type': 'surface'}, | |
| 'particulate_matter_10um': {'units': 'µg/m³', 'name': 'PM10', 'cmap': 'Oranges', 'vmax_percentile': 95, 'type': 'surface'}, | |
| 'mass_concentration_of_pm10_ambient_aerosol_particles_in_air': {'units': 'µg/m³', 'name': 'PM10', 'cmap': 'Oranges', 'vmax_percentile': 95, 'type': 'surface'}, | |
| # PM1 | |
| 'pm1': {'units': 'µg/m³', 'name': 'PM1', 'cmap': 'Reds', 'vmax_percentile': 95, 'type': 'surface'}, | |
| 'PM1': {'units': 'µg/m³', 'name': 'PM1', 'cmap': 'Reds', 'vmax_percentile': 95, 'type': 'surface'}, | |
| 'particulate_matter_1um': {'units': 'µg/m³', 'name': 'PM1', 'cmap': 'Reds', 'vmax_percentile': 95, 'type': 'surface'}, | |
| # NO2 | |
| 'no2': {'units': 'µg/m³', 'name': 'NO₂', 'cmap': 'Reds', 'vmax_percentile': 90, 'type': 'atmospheric'}, | |
| 'NO2': {'units': 'µg/m³', 'name': 'NO₂', 'cmap': 'Reds', 'vmax_percentile': 90, 'type': 'atmospheric'}, | |
| 'nitrogen_dioxide': {'units': 'µg/m³', 'name': 'NO₂', 'cmap': 'Reds', 'vmax_percentile': 90, 'type': 'atmospheric'}, | |
| 'mass_concentration_of_nitrogen_dioxide_in_air': {'units': 'µg/m³', 'name': 'NO₂', 'cmap': 'Reds', 'vmax_percentile': 90, 'type': 'atmospheric'}, | |
| # SO2 | |
| 'so2': {'units': 'µg/m³', 'name': 'SO₂', 'cmap': 'Purples', 'vmax_percentile': 90, 'type': 'atmospheric'}, | |
| 'SO2': {'units': 'µg/m³', 'name': 'SO₂', 'cmap': 'Purples', 'vmax_percentile': 90, 'type': 'atmospheric'}, | |
| 'sulphur_dioxide': {'units': 'µg/m³', 'name': 'SO₂', 'cmap': 'Purples', 'vmax_percentile': 90, 'type': 'atmospheric'}, | |
| 'sulfur_dioxide': {'units': 'µg/m³', 'name': 'SO₂', 'cmap': 'Purples', 'vmax_percentile': 90, 'type': 'atmospheric'}, | |
| 'mass_concentration_of_sulfur_dioxide_in_air': {'units': 'µg/m³', 'name': 'SO₂', 'cmap': 'Purples', 'vmax_percentile': 90, 'type': 'atmospheric'}, | |
| # O3 | |
| 'o3': {'units': 'µg/m³', 'name': 'O₃', 'cmap': 'Blues', 'vmax_percentile': 90, 'type': 'atmospheric'}, | |
| 'O3': {'units': 'µg/m³', 'name': 'O₃', 'cmap': 'Blues', 'vmax_percentile': 90, 'type': 'atmospheric'}, | |
| 'ozone': {'units': 'µg/m³', 'name': 'O₃', 'cmap': 'Blues', 'vmax_percentile': 90, 'type': 'atmospheric'}, | |
| 'mass_concentration_of_ozone_in_air': {'units': 'µg/m³', 'name': 'O₃', 'cmap': 'Blues', 'vmax_percentile': 90, 'type': 'atmospheric'}, | |
| # CO | |
| 'co': {'units': 'mg/m³', 'name': 'CO', 'cmap': 'Greens', 'vmax_percentile': 90, 'type': 'atmospheric'}, | |
| 'CO': {'units': 'mg/m³', 'name': 'CO', 'cmap': 'Greens', 'vmax_percentile': 90, 'type': 'atmospheric'}, | |
| 'carbon_monoxide': {'units': 'mg/m³', 'name': 'CO', 'cmap': 'Greens', 'vmax_percentile': 90, 'type': 'atmospheric'}, | |
| 'mass_concentration_of_carbon_monoxide_in_air': {'units': 'mg/m³', 'name': 'CO', 'cmap': 'Greens', 'vmax_percentile': 90, 'type': 'atmospheric'}, | |
| # NO (Nitrogen Monoxide) | |
| 'no': {'units': 'µg/m³', 'name': 'NO', 'cmap': 'Oranges', 'vmax_percentile': 90, 'type': 'atmospheric'}, | |
| 'NO': {'units': 'µg/m³', 'name': 'NO', 'cmap': 'Oranges', 'vmax_percentile': 90, 'type': 'atmospheric'}, | |
| 'nitrogen_monoxide': {'units': 'µg/m³', 'name': 'NO', 'cmap': 'Oranges', 'vmax_percentile': 90, 'type': 'atmospheric'}, | |
| # NH3 | |
| 'nh3': {'units': 'µg/m³', 'name': 'NH₃', 'cmap': 'viridis', 'vmax_percentile': 90, 'type': 'atmospheric'}, | |
| 'NH3': {'units': 'µg/m³', 'name': 'NH₃', 'cmap': 'viridis', 'vmax_percentile': 90, 'type': 'atmospheric'}, | |
| 'ammonia': {'units': 'µg/m³', 'name': 'NH₃', 'cmap': 'viridis', 'vmax_percentile': 90, 'type': 'atmospheric'}, | |
| 'mass_concentration_of_ammonia_in_air': {'units': 'µg/m³', 'name': 'NH₃', 'cmap': 'viridis', 'vmax_percentile': 90, 'type': 'atmospheric'}, | |
| # Total Column variables (these are surface-level total column measurements) | |
| 'total_column_carbon_monoxide': {'units': 'mol/m²', 'name': 'Total Column CO', 'cmap': 'Greens', 'vmax_percentile': 90, 'type': 'surface'}, | |
| 'total_column_nitrogen_monoxide': {'units': 'mol/m²', 'name': 'Total Column NO', 'cmap': 'Oranges', 'vmax_percentile': 90, 'type': 'surface'}, | |
| 'total_column_nitrogen_dioxide': {'units': 'mol/m²', 'name': 'Total Column NO₂', 'cmap': 'Reds', 'vmax_percentile': 90, 'type': 'surface'}, | |
| 'total_column_ozone': {'units': 'mol/m²', 'name': 'Total Column O₃', 'cmap': 'Blues', 'vmax_percentile': 90, 'type': 'surface'}, | |
| 'total_column_sulphur_dioxide': {'units': 'mol/m²', 'name': 'Total Column SO₂', 'cmap': 'Purples', 'vmax_percentile': 90, 'type': 'surface'}, | |
| # Legacy total column names | |
| 'tcno2': {'units': 'mol/m²', 'name': 'Total Column NO₂', 'cmap': 'Reds', 'vmax_percentile': 90, 'type': 'surface'}, | |
| 'tcso2': {'units': 'mol/m²', 'name': 'Total Column SO₂', 'cmap': 'Purples', 'vmax_percentile': 90, 'type': 'surface'}, | |
| 'tco3': {'units': 'mol/m²', 'name': 'Total Column O₃', 'cmap': 'Blues', 'vmax_percentile': 90, 'type': 'surface'}, | |
| 'tcco': {'units': 'mol/m²', 'name': 'Total Column CO', 'cmap': 'Greens', 'vmax_percentile': 90, 'type': 'surface'}, | |
| # AOD (Aerosol Optical Depth) - surface measurement | |
| 'aod550': {'units': '', 'name': 'AOD 550nm', 'cmap': 'plasma', 'vmax_percentile': 95, 'type': 'surface'}, | |
| 'aod': {'units': '', 'name': 'AOD', 'cmap': 'plasma', 'vmax_percentile': 95, 'type': 'surface'}, | |
| 'aerosol_optical_depth': {'units': '', 'name': 'AOD', 'cmap': 'plasma', 'vmax_percentile': 95, 'type': 'surface'}, | |
| } | |
| # Available color themes for plotting | |
| COLOR_THEMES = { | |
| 'YlOrRd': 'Yellow-Orange-Red', | |
| 'Oranges': 'Oranges', | |
| 'Reds': 'Reds', | |
| 'Purples': 'Purples', | |
| 'Blues': 'Blues', | |
| 'Greens': 'Greens', | |
| 'viridis': 'Viridis', | |
| 'plasma': 'Plasma', | |
| 'inferno': 'Inferno', | |
| 'magma': 'Magma', | |
| 'cividis': 'Cividis', | |
| 'coolwarm': 'Cool-Warm', | |
| 'RdYlBu': 'Red-Yellow-Blue', | |
| 'Spectral': 'Spectral' | |
| } | |
| # India map boundaries | |
| INDIA_BOUNDS = { | |
| 'lat_min': 6.0, | |
| 'lat_max': 38.0, | |
| 'lon_min': 68.0, | |
| 'lon_max': 98.0 | |
| } | |
| # Common pressure levels for atmospheric variables (in hPa) | |
| PRESSURE_LEVELS = [50, 100, 150, 200, 250, 300, 400, 500, 600, 700, 850, 925, 1000] | |
| # File upload settings | |
| ALLOWED_EXTENSIONS = {'nc', 'zip'} | |
| MAX_FILE_SIZE = 500 * 1024 * 1024 # 500MB |