Particles

Below is an overview of all particle parameters. The abbreviation AOD stands for Aerosol Optical Depth.

• Dust: Dust (0.03um-0.55um) | Dust (0.55um-0.9um) | Dust (0.9um-20um) | Dust AOD 550nm
• Sea Salt: Sea Salt (0.03um-0.5um) | Sea Salt (0.5um-5um) | Sea Salt (5um-20um)
• Particulate Matter: Particular Matter (PM10) | Particular Matter (PM1) | Particular Matter (PM 2.5) | Particular Matter Air Quality
• Total Aerosol Optical Depth: Total AOD 550nm | Total AOD 670nm | Total AOD 865nm | Total AOD 1240nm

Each parameter is explained in more detail below.

Dust Concentration (0.03 μm - 0.55 μm)

Dust concentration at surface in units [μg/m³]. The particle size is between 0.03 μm - 0.55 μm.

dust_0p03um_0p55um:ugm3

Examples

• https://api-mm.ncm.gov.sa/2025-07-17T00:00:00Z/dust_0p03um_0p55um:ugm3/90,-180_-90,180:1000x600/html_map

  

• https://api-mm.ncm.gov.sa/2025-07-17T00:00:00Z/dust_0p03um_0p55um:ugm3/90,-180_-90,180:3x3/json

  {"version":"3.0","user":"api-test","dateGenerated":"2018-02-21T14:12:01Z","status":"OK","data":
  [{"parameter":"dust_0p03um_0p55um:ugm3","coordinates":
  [{"lat":-90,"lon":-180,"dates":[{"date":"2018-02-21T00:00:00Z","value":0}]},
  {"lat":-90,"lon":0,"dates":[{"date":"2018-02-21T00:00:00Z","value":0}]},
  {"lat":-90,"lon":180,"dates":[{"date":"2018-02-21T00:00:00Z","value":0}]},
  {"lat":0,"lon":-180,"dates":[{"date":"2018-02-21T00:00:00Z","value":0.089}]},
  {"lat":0,"lon":0,"dates":[{"date":"2018-02-21T00:00:00Z","value":1.931}]},
  {"lat":0,"lon":180,"dates":[{"date":"2018-02-21T00:00:00Z","value":0.089}]},
  {"lat":90,"lon":-180,"dates":[{"date":"2018-02-21T00:00:00Z","value":0}]},
  {"lat":90,"lon":0,"dates":[{"date":"2018-02-21T00:00:00Z","value":0}]},
  {"lat":90,"lon":180,"dates":[{"date":"2018-02-21T00:00:00Z","value":0}]}]}]}

Dust Concentration (0.55 μm - 0.9 μm)

Dust concentration at surface in units of [μg/m³]. The particle size is between 0.55 μu - 0.9 μu.

dust_0p55um_0p9um:ugm3

Examples

• https://api-mm.ncm.gov.sa/2025-07-17T00:00:00Z/dust_0p55um_0p9um:ugm3/90,-180_-90,180:1000x600/html_map

  

Dust Concentration (0.9 μm - 20 μm)

Dust concentration at surface in units [μg/m³]. The particle size is between 0.9 μm - 20 μm.

dust_0p9um_20um:ugm3

Examples

• https://api-mm.ncm.gov.sa/2025-07-17T00:00:00Z/dust_0p9um_20um:ugm3/90,-180_-90,180:1000x600/html_map

  

Dust Aerosol Optical Depth

Dust aerosol optical depth at 550 nm.

dust_aod_550nm:idx

Examples

• httpss://api-mm.ncm.gov.sa/2025-07-17T00:00:00Z/dust_aod_550nm:idx/90,-180_-90,180:1000x600/html_map

  

• https://api-mm.ncm.gov.sa/2025-07-17T00:00:00Z/dust_aod_550nm:idx/90,-180_-90,180:6x6/csv

  validdate;2018-02-21 00:00:00
  parameter;dust_aod_550nm:idx
  data;-180;-108;-36;36;108;180
  90;0;0;0;0;0;0
  54;0.001;0;0;0;0;0.001
  18;0.002;0.001;0.009;0.094;0.002;0.002
  -18;0;0;0.004;0.004;0;0
  -54;0;0;0;0;0;0
  -90;0;0;0;0;0;0

Particular Matter (PM10) Concentration

Particular matter (PM10) concentration at surface in units of [μg/m³].

pm10:ugm3

Examples

• https://api-mm.ncm.gov.sa/2025-07-17T00:00:00Z/pm10:ugm3/90,-180_-90,180:1000x600/html_map

  

• https://api-mm.ncm.gov.sa/2025-07-17T00:00:00Z/pm10:ugm3/90,-180_-90,180:3x3/json

  {"version":"3.0","user":"api-test","dateGenerated":"2018-02-21T14:21:27Z","status":"OK","data":
  [{"parameter":"pm10:ugm3","coordinates":
  [{"lat":-90,"lon":-180,"dates":[{"date":"2018-02-21T00:00:00Z","value":0.003}]},
  {"lat":-90,"lon":0,"dates":[{"date":"2018-02-21T00:00:00Z","value":0.003}]},
  {"lat":-90,"lon":180,"dates":[{"date":"2018-02-21T00:00:00Z","value":0.003}]},
  {"lat":0,"lon":-180,"dates":[{"date":"2018-02-21T00:00:00Z","value":7.261}]},
  {"lat":0,"lon":0,"dates":[{"date":"2018-02-21T00:00:00Z","value":16.522}]},
  {"lat":0,"lon":180,"dates":[{"date":"2018-02-21T00:00:00Z","value":7.261}]},
  {"lat":90,"lon":-180,"dates":[{"date":"2018-02-21T00:00:00Z","value":1.193}]},
  {"lat":90,"lon":0,"dates":[{"date":"2018-02-21T00:00:00Z","value":1.193}]},
  {"lat":90,"lon":180,"dates":[{"date":"2018-02-21T00:00:00Z","value":1.193}]}]}]}

Particular Matter (PM1) Concentration

Particular matter (PM1) concentration at surface in units of [μg/m³].

pm1:ugm3

Examples

• https://api-mm.ncm.gov.sa/2025-07-17T00:00:00Z/pm1:ugm3/90,-180_-90,180:1000x600/html_map

  

Particular Matter (PM2.5) Concentration

Particular matter (PM2.5) concentration at surface in units of [μg/m³].

pm2p5:ugm3

Examples

• https://api-mm.ncm.gov.sa/2025-07-17T00:00:00Z/pm2p5:ugm3/90,-180_-90,180:1000x600/html_map

  

Particular Matter Air Quality

Air quality indices for particular matter. The index returns an integer from 0 (Good) to 5 (Extremely Poor).

air_quality_pm2p5:idx
air_quality_pm10:idx

The index is defined using concentration thresholds from the European Environment Agency. The concentrations are given in [μg/m³].

	Good [0]	Fair [1]	Moderate [2]	Poor [3]	Very Poor [4]	Extremely Poor [5]
PM2.5	0-10	10-20	20-25	25-50	50-75	75-800
PM10	0-20	20-40	40-50	50-100	100-150	150-1200

Sea Salt Concentration (0.03 μm - 0.5 μm)

Sea salt concentration at surface in units [μg/m³]. The particle size is between 0.03 μm - 0.5 μm.

sea_salt_0p03um_0p5um:ugm3

Examples

• https://api-mm.ncm.gov.sa/2025-07-17T00:00:00Z/sea_salt_0p03um_0p5um:ugm3/90,-180_-90,180:1000x600/html_map

  

• https://api-mm.ncm.gov.sa/2025-07-17T00:00:00Z/no2:ugm3/90,-180_-90,180:6x6/csv

  validdate;2018-02-21 00:00:00
  parameter;sea_salt_0p03um_0p5um:ugm3
  data;-180;-108;-36;36;108;180
  90;0.046;0.046;0.046;0.046;0.046;0.046
  54;1.611;0.001;0.359;0.002;0;1.611
  18;0.669;0.255;0.331;0.01;0.218;0.669
  -18;0.176;0.404;0.125;0.006;0.501;0.176
  -54;0.587;1.615;0.044;1.121;1.348;0.587
  -90;0;0;0;0;0;0

Sea Salt Concentration (0.5 μm - 5 μm)

Sea salt concentration at surface in units of [μg/m³]. The particle size is between 0.5 μm - 5 μm.

sea_salt_0p5um_5um:ugm3

Examples

• https://api-mm.ncm.gov.sa/2025-07-17T00:00:00Z/sea_salt_0p5um_5um:ugm3/90,-180_-90,180:1000x600/html_map

  

Sea Salt Concentration (5 μm - 20 μm)

Sea salt concentration at surface in units of [μg/m³]. The particle size is between 5 μm - 20 μm.

sea_salt_5um_20um:ugm3

Examples

• https://api-mm.ncm.gov.sa/2025-07-17T00:00:00Z/sea_salt_5um_20um:ugm3/90,-180_-90,180:1000x600/html_map

  

Total AOD at 550 nm

Total aerosol optical depth of the whole atmospheric column at 550 nm.

total_aod_550nm:idx

Examples

• https://api-mm.ncm.gov.sa/2025-07-17T00:00:00Z/total_aod_550nm:idx/90,-180_-90,180:1000x600/html_map

  

• Show the total aerosol optical depth of the whole atmospheric column at 550nm for the next three days.

  https://api-mm.ncm.gov.sa/2025-07-17T00:00:00ZP3D:PT1H/total_aod_550nm:idx/47.412164,9.340652/html

  

Total AOD at 670 nm

Total aerosol optical depth of the whole atmospheric column at 670 nm.

total_aod_670nm:idx

Examples

• https://api-mm.ncm.gov.sa/2025-07-17T00:00:00Z/total_aod_670nm:idx/90,-180_-90,180:1000x600/html_map

  

• https://api-mm.ncm.gov.sa/2025-07-17T00:00:00Z/total_aod_670nm:idx/90,-180_-90,180:6x6/csv

  validdate;2018-02-21 00:00:00
  parameter;total_aod_670nm:idx
  data;-180;-108;-36;36;108;180
  90;0.011;0.011;0.011;0.011;0.011;0.011
  54;0.236;0.005;0.049;0.052;0.014;0.236
  18;0.108;0.098;0.071;0.166;0.225;0.108
  -18;0.066;0.102;0.06;0.09;0.076;0.066
  -54;0.096;0.127;0.053;0.13;0.174;0.096
  -90;0.007;0.007;0.007;0.007;0.007;0.007

Total AOD at 865 nm

Total aerosol optical depth of the whole atmospheric column at 865 nm.

total_aod_865nm:idx

Examples

• https://api-mm.ncm.gov.sa/2025-07-17T00:00:00Z/total_aod_865nm:idx/90,-180_-90,180:1000x600/html_map

  

Total AOD at 1240 nm

Total aerosol optical depth of the whole atmospheric column at 1240 nm.

total_aod_1240nm:idx

Examples

• https://api-mm.ncm.gov.sa/2025-07-17T00:00:00Z/total_aod_1240nm:idx/90,-180_-90,180:1000x600/html_map

  

• To obtain the data in xml format:

  https://api-mm.ncm.gov.sa/2025-07-17T00:00:00ZP2D:PT6H/total_aod_1240nm:idx/47.412164,9.340652/xml