Check the air quality index in Madrid according to the method used by the EPA (American Environmental Protection Agency) and its effects on health.

In order to calculate the air quality index, at Eltiempo.es we apply the formula suggested by the EPA, which calculates the index for each pollutant depending on its concentration.

The pollutants are:

  • -Particles (PM)
  • -Carbon monoxide (CO)
  • -Ozone (O3)
  • -Nitrogen dioxide (NO2)
  • -Sulphur dioxide (SO2)

When we have calculated the indices for each pollutant, we select the one with the most unfavorable value. That value is then considered to be the air quality index for that moment.

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    Estaciones de Madrid

    Alcalá de Henares AQI O3 NO2 SO2 PM2.5 PM10 CO
    ALCALÁ DE HENARES 08:00 del 30/03/2020 60

    32

    70 ug/m3

    6

    12 ug/m3

    1

    2 ug/m3

    60

    16.38 ug/m3

    22

    23.88 ug/m3

    3

    400 ug/m3
    Alcobendas AQI O3 NO2 SO2 PM2.5 PM10 CO
    ALCOBENDAS 08:00 del 30/03/2020 31

    31

    66 ug/m3

    5

    9 ug/m3

    --

    --

    15

    16.38 ug/m3

    --

    Alcorcón AQI O3 NO2 SO2 PM2.5 PM10 CO
    ALCORCÓN 08:00 del 30/03/2020 54

    30

    64 ug/m3

    6

    12 ug/m3

    --

    54

    13.38 ug/m3

    --

    --

    Algete AQI O3 NO2 SO2 PM2.5 PM10 CO
    ALGETE 10:00 del 30/03/2020 48

    31

    67 ug/m3

    2

    4 ug/m3

    --

    48

    11.63 ug/m3

    --

    --

    Aranjuez AQI O3 NO2 SO2 PM2.5 PM10 CO
    ARANJUEZ 08:00 del 30/03/2020 31

    31

    66 ug/m3

    3

    5 ug/m3

    --

    --

    15

    15.75 ug/m3

    --

    Arganda del Rey AQI O3 NO2 SO2 PM2.5 PM10 CO
    ARGANDA DEL REY 10:00 del 30/03/2020 19

    19

    40 ug/m3

    12

    25 ug/m3

    --

    --

    14

    15 ug/m3

    --

    Collado Villalba AQI O3 NO2 SO2 PM2.5 PM10 CO
    COLLADO VILLALBA 08:00 del 30/03/2020 57

    30

    63 ug/m3

    5

    9 ug/m3

    --

    1 ug/m3

    57

    14.88 ug/m3

    --

    --

    Colmenar Viejo AQI O3 NO2 SO2 PM2.5 PM10 CO
    COLMENAR VIEJO 08:00 del 30/03/2020 22

    22

    47 ug/m3

    5

    9 ug/m3

    --

    --

    15

    16.63 ug/m3

    6

    600 ug/m3
    Coslada AQI O3 NO2 SO2 PM2.5 PM10 CO
    COSLADA 08:00 del 30/03/2020 56

    31

    68 ug/m3

    6

    12 ug/m3

    --

    56

    14.63 ug/m3

    16

    16.88 ug/m3

    --

    El Atazar AQI O3 NO2 SO2 PM2.5 PM10 CO
    EL ATAZAR 10:00 del 30/03/2020 44

    32

    69 ug/m3

    2

    3 ug/m3

    --

    1 ug/m3

    44

    10.5 ug/m3

    16

    16.88 ug/m3

    3

    400 ug/m3
    Fuenlabrada AQI O3 NO2 SO2 PM2.5 PM10 CO
    FUENLABRADA 06:00 del 30/03/2020 31

    31

    67 ug/m3

    12

    24 ug/m3

    --

    --

    19

    20.75 ug/m3

    --

    Getafe AQI O3 NO2 SO2 PM2.5 PM10 CO
    GETAFE 08:00 del 30/03/2020 44

    29

    62 ug/m3

    7

    14 ug/m3

    --

    44

    10.63 ug/m3

    18

    19.75 ug/m3

    --

    Guadalix de la Sierra AQI O3 NO2 SO2 PM2.5 PM10 CO
    GUADALIX DE LA SIERRA 10:00 del 30/03/2020 33

    33

    71 ug/m3

    3

    5 ug/m3

    --

    --

    14

    15.25 ug/m3

    --

    Leganés AQI O3 NO2 SO2 PM2.5 PM10 CO
    LEGANÉS 08:00 del 30/03/2020 58

    30

    64 ug/m3

    7

    13 ug/m3

    --

    58

    15.25 ug/m3

    19

    20 ug/m3

    --

    Madrid AQI O3 NO2 SO2 PM2.5 PM10 CO
    ARTURO SORIA 08:00 del 30/03/2020 30

    30

    63.21 ug/m3

    5

    10 ug/m3

    --

    --

    --

    --

    BARAJAS - PUEBLO 10:00 del 30/03/2020 32

    32

    69.28 ug/m3

    3

    5 ug/m3

    --

    --

    --

    --

    BARRIO DEL PILAR 08:00 del 30/03/2020 30

    30

    63.01 ug/m3

    4

    7 ug/m3

    --

    --

    --

    --

    CASA DE CAMPO 08:00 del 30/03/2020 57

    28

    60.37 ug/m3

    3

    5 ug/m3

    --

    57

    14.75 ug/m3

    17

    18.5 ug/m3

    --

    CASTELLANA 08:00 del 30/03/2020 53

    --

    4

    8 ug/m3

    --

    53

    13.25 ug/m3

    13

    13.5 ug/m3

    --

    CUATRO CAMINOS-PABLO IGLESIAS 08:00 del 30/03/2020 53

    --

    7

    14 ug/m3

    --

    53

    13 ug/m3

    13

    14 ug/m3

    --

    EL PARDO 10:00 del 30/03/2020 33

    33

    71.14 ug/m3

    1

    2 ug/m3

    --

    --

    --

    --

    ENSANCHE DE VALLECAS 08:00 del 30/03/2020 33

    33

    72.71 ug/m3

    8

    16 ug/m3

    --

    --

    --

    --

    ESCUELAS AGUIRRE 10:00 del 30/03/2020 38

    26

    56.65 ug/m3

    9

    19 ug/m3

    4

    8 ug/m3

    38

    9 ug/m3

    11

    12.38 ug/m3

    2

    200 ug/m3
    FAROLILLO 08:00 del 30/03/2020 31

    31

    66.53 ug/m3

    7

    13 ug/m3

    --

    --

    9

    10.13 ug/m3

    --

    FERNANDEZ LADREDA-OPORTO 08:00 del 30/03/2020 52

    --

    11

    22 ug/m3

    --

    52

    12.38 ug/m3

    14

    15.38 ug/m3

    3

    300 ug/m3
    JUAN CARLOS I 10:00 del 30/03/2020 31

    31

    66.66 ug/m3

    1

    2 ug/m3

    --

    --

    --

    --

    MAJADAHONDA 08:00 del 30/03/2020 28

    28

    59 ug/m3

    5

    10 ug/m3

    --

    --

    16

    17.63 ug/m3

    --

    MENDEZ ALVARO 08:00 del 30/03/2020 43

    --

    5

    9 ug/m3

    --

    43

    10.38 ug/m3

    11

    11.5 ug/m3

    --

    MORATALAZ 08:00 del 30/03/2020 17

    --

    4

    8 ug/m3

    3

    5 ug/m3

    --

    17

    18.63 ug/m3

    --

    PLAZA CASTILLA-CANAL 10:00 del 30/03/2020 35

    --

    3

    5 ug/m3

    --

    35

    8.38 ug/m3

    11

    11.75 ug/m3

    --

    PLAZA DE ESPAÑA 10:00 del 03/03/2020 --

    --

    --

    --

    --

    --

    --

    PLAZA DEL CARMEN 08:00 del 30/03/2020 30

    30

    64.63 ug/m3

    9

    18 ug/m3

    3

    4 ug/m3

    --

    --

    2

    200 ug/m3
    PUENTE DE VALLECAS 10:00 del 30/03/2020 7

    --

    4

    8 ug/m3

    --

    --

    7

    7.5 ug/m3

    --

    RAMÓN Y CAJAL 10:00 del 30/03/2020 5

    --

    5

    10 ug/m3

    --

    --

    --

    --

    RETIRO 08:00 del 30/03/2020 30

    30

    63.71 ug/m3

    7

    13 ug/m3

    --

    --

    --

    --

    SANCHINARRO 09:00 del 30/03/2020 15

    --

    3

    5 ug/m3

    --

    --

    15

    16.25 ug/m3

    --

    TRES OLIVOS 09:00 del 30/03/2020 35

    35

    75.96 ug/m3

    5

    10 ug/m3

    --

    --

    8

    8.5 ug/m3

    --

    URBANIZACION EMBAJADA 08:00 del 30/03/2020 14

    --

    2

    3 ug/m3

    --

    --

    14

    14.88 ug/m3

    --

    VILLAVERDE 10:00 del 30/03/2020 31

    31

    67.62 ug/m3

    5

    9 ug/m3

    --

    --

    --

    --

    Móstoles AQI O3 NO2 SO2 PM2.5 PM10 CO
    MÓSTOLES 08:00 del 30/03/2020 29

    29

    62 ug/m3

    7

    14 ug/m3

    --

    1 ug/m3

    --

    15

    16.13 ug/m3

    3

    300 ug/m3
    Orusco de Tajuña AQI O3 NO2 SO2 PM2.5 PM10 CO
    ORUSCO DE TAJUÑA 10:00 del 30/03/2020 34

    34

    73 ug/m3

    2

    3 ug/m3

    --

    1 ug/m3

    --

    15

    16.5 ug/m3

    5

    500 ug/m3
    Rivas-Vaciamadrid AQI O3 NO2 SO2 PM2.5 PM10 CO
    RIVAS-VACIAMADRID 08:00 del 30/03/2020 31

    31

    67 ug/m3

    4

    8 ug/m3

    --

    --

    15

    16.63 ug/m3

    --

    San Martín de Valdeiglesias AQI O3 NO2 SO2 PM2.5 PM10 CO
    SAN MARTIN DE VALDEIGLESIAS 08:00 del 30/03/2020 34

    34

    73 ug/m3

    2

    4 ug/m3

    --

    --

    10

    10.5 ug/m3

    --

    Torrejón de Ardoz AQI O3 NO2 SO2 PM2.5 PM10 CO
    TORREJON DE ARDOZ 08:00 del 30/03/2020 56

    35

    76 ug/m3

    2

    4 ug/m3

    --

    56

    14.63 ug/m3

    19

    21 ug/m3

    --

    Valdemoro AQI O3 NO2 SO2 PM2.5 PM10 CO
    VALDEMORO 08:00 del 30/03/2020 55

    25

    54 ug/m3

    11

    22 ug/m3

    --

    55

    14 ug/m3

    --

    --

    Villa del Prado AQI O3 NO2 SO2 PM2.5 PM10 CO
    VILLA DEL PRADO 08:00 del 30/03/2020 51

    34

    74 ug/m3

    1

    2 ug/m3

    --

    1 ug/m3

    51

    12.25 ug/m3

    14

    15.25 ug/m3

    7

    700 ug/m3
    Villarejo de Salvanés AQI O3 NO2 SO2 PM2.5 PM10 CO
    VILLAREJO DE SALVANES 10:00 del 30/03/2020 56

    32

    69 ug/m3

    3

    5 ug/m3

    --

    56

    14.38 ug/m3

    --

    --

    Air quality legend

    • 00 50

      Good. Air quality is satisfactory and does not pose a health risk or such health risk is very small.

    • 51 100

      Moderate. Air quality is acceptable. However, there may be moderate health concern for a small number of the population due to certain polluting agents. For example, people who are unusually sensitive to ozone may experience the symptoms of a respiratory condition.

    • 101 150

      Moderate sensitive groups. Members of sensitive groups may experience effects on their health. This implies that they are very likely to be affected by lower pollution levels. For example, people with lung diseases, the elderly and children are at greater risk when exposed to ozone, while people with lung or heart disease are at greater risk when exposed to particulate contamination. This level of contamination does not represent adverse health conditions for the general public.

    • 151 200

      Unhealthy. Anyone can start to experience effects on their health. Members of sensitive groups may experience more serious effects on their health.

    • 201 300

      Very unhealthy. At this level, a health emergency warning must be issued in order to prevent effects on the health of the entire population since everyone may experience negative effects on their health.

    • 301 500

      Hazardous for health. Hazardous values; it is very likely that the entire population will experience serious effects on their health. A health alert should be issued.


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