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Dataset Title:  air4health_districts Subscribe RSS
Institution:  +ATLANTIC_CoLAB   (Dataset ID: air4health_districts)
Information:  Summary ? | License ? | Metadata | Background (external link) | Files | Make a graph
 
Variable ?   Optional
Constraint #1 ?
Optional
Constraint #2 ?
   Minimum ?
 
   Maximum ?
 
 tx_mean (Daily Maximun Temperature, °C) ?          1.5358333333333334    43.736
 tn_mean (Daily Minimum Temperature, °C) ?          -5.595    26.499375
 ecf_mean (°C²) ?          -29.321764705882355    0.0
 no2_avg (µg/m³) ?          0.7448983765625    38.248397379375
 no2_excess_amount (µg/m³) ?          0.0    14.5338290055625
 severity_class (Combined risk index) ?          0    3
 severity_65 (Combined risk index >=65) ?          0    3
 severity_18 (combined risk index <18) ?          0    3
 ehf_mean (°C²) ?          0.0    64.558125
 o3_avg (µg/m³) ?          32.1448834    156.3425913857143
 o3_excess_amount (µg/m³) ?          0.0    56.342591375714285
 id ?          "Aveiro"    "Évora"
 time (UTC) ?          2013-01-01T00:00:00Z    2018-12-31T00:00:00Z
  < slider >
 
Server-side Functions ?
 distinct() ?
? ("Hover here to see a list of options. Click on an option to select it.Hover here to see a list of options. Click on an option to select it.Hover here to see a list of options. Click on an option to select it.Hover here to see a list of options. Click on an option to select it.Hover here to see a list of options. Click on an option to select it.")

File type: (more information)

(Documentation / Bypass this form ? )
 
(Please be patient. It may take a while to get the data.)


 

The Dataset Attribute Structure (.das) for this Dataset

Attributes {
 s {
  tx_mean {
    Float64 _FillValue -99999.0;
    Float64 actual_range 1.5358333333333334, 43.736;
    Float64 colorBarMaximum 40.0;
    Float64 colorBarMinimum -10.0;
    String ioos_category "Temperature";
    String long_name "Daily Maximun Temperature";
    String long_name_pt "Temperatura Máxima Diária";
    String units "°C";
  }
  tn_mean {
    Float64 _FillValue -99999.0;
    Float64 actual_range -5.595, 26.499375;
    Float64 colorBarMaximum 40.0;
    Float64 colorBarMinimum -10.0;
    String ioos_category "Temperature";
    String long_name "Daily Minimum Temperature";
    String long_name_pt "Temperatura Mínima Diária";
    String units "°C";
  }
  ecf_mean {
    Float64 _FillValue -99999.0;
    Float64 actual_range -29.321764705882355, 0.0;
    String ioos_category "Statistics";
    String long_name "Daily Excess Cold Factor Intensity";
    String long_name_pt "Índice de Frio Excessivo";
    String units "°C²";
  }
  no2_avg {
    Float64 _FillValue -99999.0;
    Float64 actual_range 0.7448983765625, 38.248397379375;
    Float64 colorBarMaximum 1.0;
    Float64 colorBarMinimum 0.0;
    String ioos_category "Dissolved Nutrients";
    String long_name "Daily Average Nitrogen Dioxide Concentration";
    String long_name_pt "Concentrações de NO₂";
    String standard_name "mole_concentration_of_nitrite_in_sea_water";
    String units "µg/m³";
  }
  no2_excess_amount {
    Float64 _FillValue -99999.0;
    Float64 actual_range 0.0, 14.5338290055625;
    Float64 colorBarMaximum 1.0;
    Float64 colorBarMinimum 0.0;
    String ioos_category "Dissolved Nutrients";
    String long_name "Daily Mean Nitrogen Dioxide Concentration Exceedances";
    String long_name_pt "Excedências de NO₂";
    String standard_name "mole_concentration_of_nitrite_in_sea_water";
    String units "µg/m³";
  }
  severity_class {
    Float64 _FillValue -99999;
    Float64 actual_range 0, 3;
    String ioos_category "Unknown";
    String long_name "Combined risk index";
    String long_name_pt "Índice de Risco Combinado";
  }
  severity_65 {
    Float64 _FillValue -99999;
    Float64 actual_range 0, 3;
    String ioos_category "Unknown";
    String long_name "Combined risk index >=65";
    String long_name_pt "Índice de Risco Combinado >=65";
  }
  severity_18 {
    Float64 _FillValue -99999;
    Float64 actual_range 0, 3;
    String ioos_category "Unknown";
    String long_name "combined risk index <18";
    String long_name_pt "Índice de Risco Combinado <18";
  }
  ehf_mean {
    Float64 _FillValue -99999.0;
    Float64 actual_range 0.0, 64.558125;
    String ioos_category "Statistics";
    String long_name "Daily Excess Heat Factor Intensity";
    String long_name_pt "Índice de Calor Excessivo";
    String units "°C²";
  }
  o3_avg {
    Float64 _FillValue -99999.0;
    Float64 actual_range 32.1448834, 156.3425913857143;
    String ioos_category "Contaminants";
    String long_name "Daily Average Ozone Concentration";
    String long_name_pt "Concentrações de Ozono";
    String units "µg/m³";
  }
  o3_excess_amount {
    Float64 _FillValue -99999.0;
    Float64 actual_range 0.0, 56.342591375714285;
    String ioos_category "Contaminants";
    String long_name "Daily Mean Ozone Concentration Exceedances";
    String long_name_pt "Excedências de Ozono";
    String units "µg/m³";
  }
  id {
    String ioos_category "Identifier";
    String long_name "Id";
  }
  time {
    String _CoordinateAxisType "Time";
    Float64 actual_range 1.3569984e+9, 1.5462144e+9;
    String axis "T";
    String calendar "proleptic_gregorian";
    String ioos_category "Time";
    String long_name "Time";
    String standard_name "time";
    String time_origin "01-JAN-1970 00:00:00";
    String units "seconds since 1970-01-01T00:00:00Z";
  }
 }
  NC_GLOBAL {
    String cdm_data_type "Other";
    String Conventions "COARDS, CF-1.10, ACDD-1.3";
    String creator_name "+ATLANTIC_CoLAB";
    String creator_type "institution";
    String description "Merged AIR4Health NO2 and O3 dataset";
    String history 
"2026-07-21T22:32:32Z (local files)
2026-07-21T22:32:32Z http://localhost:8080/erddap/tabledap/air4health_districts.html";
    String infoUrl "???";
    String institution "+ATLANTIC_CoLAB";
    String keywords "+atlantic, air4health, average, colab, cold, combined, concentration, contaminants, daily, data, day, dioxide, dissolved, dissolved nutrients, districts, ecf_mean, ehf_mean, exceedances, excess, factor, heat, identifier, index, intensity, maximun, mean, minimum, mole, mole_concentration_of_nitrite_in_sea_water, nitrite, nitrogen, no2_avg, no2_excess_amount, nutrients, o3_avg, o3_excess_amount, ozone, risk, sea, seawater, severity_18, severity_65, severity_class, statistics, temperature, time, tn_mean, tx_mean, water";
    String license 
"The data may be used and redistributed for free but is not intended
for legal use, since it may contain inaccuracies. Neither the data
Contributor, ERD, NOAA, nor the United States Government, nor any
of their employees or contractors, makes any warranty, express or
implied, including warranties of merchantability and fitness for a
particular purpose, or assumes any legal liability for the accuracy,
completeness, or usefulness, of this information.";
    String merge_note "NO2 and O3 files were concatenated along time because their dates are complementary.";
    String sourceUrl "(local files)";
    String standard_name_vocabulary "CF Standard Name Table v70";
    String summary "air4health_districts. +ATLANTIC_CoLAB data from a local source.";
    String time_coverage_end "2018-12-31T00:00:00Z";
    String time_coverage_start "2013-01-01T00:00:00Z";
    String title "air4health_districts";
  }
}

 

Using tabledap to Request Data and Graphs from Tabular Datasets

tabledap lets you request a data subset, a graph, or a map from a tabular dataset (for example, buoy data), via a specially formed URL. tabledap uses the OPeNDAP (external link) Data Access Protocol (DAP) (external link) and its selection constraints (external link).

The URL specifies what you want: the dataset, a description of the graph or the subset of the data, and the file type for the response.

Tabledap request URLs must be in the form
https://coastwatch.pfeg.noaa.gov/erddap/tabledap/datasetID.fileType{?query}
For example,
https://coastwatch.pfeg.noaa.gov/erddap/tabledap/pmelTaoDySst.htmlTable?longitude,latitude,time,station,wmo_platform_code,T_25&time>=2015-05-23T12:00:00Z&time<=2015-05-31T12:00:00Z
Thus, the query is often a comma-separated list of desired variable names, followed by a collection of constraints (e.g., variable<value), each preceded by '&' (which is interpreted as "AND").

For details, see the tabledap Documentation.


 
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