Check the air quality index in Barcelona 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 Barcelona

    Badalona AQI O3 NO2 SO2 PM2.5 PM10 CO
    Badalona (Mont-roig - Ausiàs March) 11:00 del 25/11/2020 38

    6

    13 ug/m3

    38

    75 ug/m3

    3

    5 ug/m3

    --

    --

    --

    Barberà del Vallès AQI O3 NO2 SO2 PM2.5 PM10 CO
    Barberà del Vallès (Moragues - Montserrat) 12:00 del 25/11/2020 42

    --

    42

    82 ug/m3

    --

    --

    --

    --

    Barcelona AQI O3 NO2 SO2 PM2.5 PM10 CO
    Barcelona (Ciutadella) 12:00 del 25/11/2020 37

    18

    37 ug/m3

    37

    74 ug/m3

    --

    --

    --

    --

    Barcelona (el Poblenou) 12:00 del 25/11/2020 37

    --

    37

    74 ug/m3

    --

    --

    --

    --

    Barcelona (Gràcia - Sant Gervasi) 12:00 del 25/11/2020 31

    15

    32 ug/m3

    31

    62 ug/m3

    --

    1 ug/m3

    --

    --

    3

    400 ug/m3
    Barcelona (l'Eixample) 12:00 del 25/11/2020 34

    10

    21 ug/m3

    34

    67 ug/m3

    1

    2 ug/m3

    --

    --

    2

    200 ug/m3
    Barcelona (Palau Reial) 11:00 del 25/11/2020 38

    7

    15 ug/m3

    38

    75 ug/m3

    1

    2 ug/m3

    --

    --

    7

    700 ug/m3
    Barcelona (parc de la Vall d'Hebron) 11:00 del 25/11/2020 25

    11

    23 ug/m3

    25

    50 ug/m3

    --

    1 ug/m3

    --

    --

    3

    400 ug/m3
    Barcelona (Sants) 12:00 del 25/11/2020 21

    --

    21

    42 ug/m3

    --

    --

    --

    --

    Berga AQI O3 NO2 SO2 PM2.5 PM10 CO
    Berga (poliesportiu) 11:00 del 25/11/2020 23

    23

    49 ug/m3

    7

    14 ug/m3

    1

    2 ug/m3

    --

    --

    --

    Castellet i la Gornal AQI O3 NO2 SO2 PM2.5 PM10 CO
    Castellet i la Gornal (Clariana) - --

    --

    --

    --

    --

    --

    --

    Cubelles AQI O3 NO2 SO2 PM2.5 PM10 CO
    Cubelles (poliesportiu) 12:00 del 25/11/2020 5

    --

    5

    9 ug/m3

    --

    --

    --

    --

    El Prat de Llobregat AQI O3 NO2 SO2 PM2.5 PM10 CO
    El Prat de Llobregat (CEM Sagnier) 10:00 del 25/11/2020 25

    3

    5 ug/m3

    25

    49 ug/m3

    1

    2 ug/m3

    --

    --

    5

    500 ug/m3
    el Prat de Llobregat (jardins de la pau) 11:00 del 25/11/2020 26

    --

    26

    53 ug/m3

    1

    3 ug/m3

    --

    --

    --

    Gavà AQI O3 NO2 SO2 PM2.5 PM10 CO
    Gavà (parc del Mil·leni) 12:00 del 25/11/2020 29

    29

    61 ug/m3

    7

    14 ug/m3

    1

    3 ug/m3

    --

    --

    5

    500 ug/m3
    Granollers AQI O3 NO2 SO2 PM2.5 PM10 CO
    Granollers (Francesc Macià) 13:00 del 25/11/2020 42

    6

    11 ug/m3

    41

    81 ug/m3

    --

    --

    42

    45.13 ug/m3

    --

    Igualada AQI O3 NO2 SO2 PM2.5 PM10 CO
    Igualada (la Masuca) 11:00 del 25/11/2020 15

    3

    5 ug/m3

    15

    31 ug/m3

    1

    2 ug/m3

    --

    --

    3

    400 ug/m3
    L' Hospitalet de Llobregat AQI O3 NO2 SO2 PM2.5 PM10 CO
    l'Hospitalet de Llobregat (av. del Torrent Gornal) 11:00 del 25/11/2020 35

    --

    32

    64 ug/m3

    --

    --

    35

    37.38 ug/m3

    --

    Manlleu AQI O3 NO2 SO2 PM2.5 PM10 CO
    Manlleu (hospital comarcal) 12:00 del 25/11/2020 16

    2

    4 ug/m3

    16

    32 ug/m3

    --

    1 ug/m3

    --

    --

    --

    Martorell AQI O3 NO2 SO2 PM2.5 PM10 CO
    Martorell (Canyameres - Claret) 12:00 del 25/11/2020 19

    --

    19

    38 ug/m3

    --

    --

    --

    --

    Mataró AQI O3 NO2 SO2 PM2.5 PM10 CO
    Mataró (passeig dels Molins) 13:00 del 25/11/2020 29

    29

    62 ug/m3

    12

    25 ug/m3

    1

    3 ug/m3

    --

    --

    6

    600 ug/m3
    Mollet del Vallès AQI O3 NO2 SO2 PM2.5 PM10 CO
    Mollet del Vallès (pista d'atletisme) 12:00 del 25/11/2020 35

    --

    35

    70 ug/m3

    --

    --

    --

    --

    Moncada i Reixac AQI O3 NO2 SO2 PM2.5 PM10 CO
    Montcada i Reixac (pl. de Lluís Companys) 10:00 del 25/11/2020 32

    6

    12 ug/m3

    32

    63 ug/m3

    19

    35 ug/m3

    --

    --

    10

    1000 ug/m3
    Montseny AQI O3 NO2 SO2 PM2.5 PM10 CO
    Montseny (la Castanya) 13:00 del 25/11/2020 39

    39

    84 ug/m3

    1

    1 ug/m3

    --

    1 ug/m3

    --

    --

    1

    100 ug/m3
    Pallejà AQI O3 NO2 SO2 PM2.5 PM10 CO
    Pallejà (Roca de Vilana) 12:00 del 25/11/2020 18

    --

    18

    35 ug/m3

    1

    2 ug/m3

    --

    --

    --

    Rubi AQI O3 NO2 SO2 PM2.5 PM10 CO
    Rubí (ca n'Oriol) 13:00 del 25/11/2020 34

    13

    28 ug/m3

    25

    48 ug/m3

    1

    2 ug/m3

    --

    34

    37.25 ug/m3

    5

    500 ug/m3
    Sabadell AQI O3 NO2 SO2 PM2.5 PM10 CO
    Sabadell (Gran Via) 12:00 del 25/11/2020 26

    15

    31 ug/m3

    26

    52 ug/m3

    --

    --

    --

    --

    San Feliú de Llobregat AQI O3 NO2 SO2 PM2.5 PM10 CO
    Sant Feliu de Llobregat (CEIP Martí i Pol) - --

    --

    --

    --

    --

    --

    --

    Sant Adrià de Besòs AQI O3 NO2 SO2 PM2.5 PM10 CO
    Sant Adrià de Besòs (Olímpic) 11:00 del 25/11/2020 32

    2

    3 ug/m3

    31

    62 ug/m3

    --

    --

    32

    35 ug/m3

    --

    Sant Andreu de la Barca AQI O3 NO2 SO2 PM2.5 PM10 CO
    Sant Andreu de la Barca (CEIP Josep Pla) 12:00 del 25/11/2020 26

    --

    26

    52 ug/m3

    --

    --

    --

    --

    Sant Celoni AQI O3 NO2 SO2 PM2.5 PM10 CO
    Sant Celoni (Carles Damm) 12:00 del 25/11/2020 26

    1

    2 ug/m3

    26

    53 ug/m3

    --

    1 ug/m3

    --

    19

    20.63 ug/m3

    --

    Sant Cugat del Vallès AQI O3 NO2 SO2 PM2.5 PM10 CO
    Sant Cugat del Vallès (parc de Sant Francesc) 12:00 del 25/11/2020 28

    3

    6 ug/m3

    28

    56 ug/m3

    --

    --

    --

    --

    Sant Vicenç dels Horts AQI O3 NO2 SO2 PM2.5 PM10 CO
    Sant Vicenç dels Horts (Àlaba) 12:00 del 25/11/2020 27

    --

    27

    54 ug/m3

    10

    19 ug/m3

    --

    --

    --

    Sant Vicenç dels Horts (Ribot - Sant Miquel) 13:00 del 25/11/2020 45

    5

    10 ug/m3

    24

    47 ug/m3

    3

    5 ug/m3

    --

    45

    48.88 ug/m3

    --

    Santa Coloma de Gramanet AQI O3 NO2 SO2 PM2.5 PM10 CO
    Santa Coloma de Gramenet (Balldovina) 12:00 del 25/11/2020 34

    --

    34

    68 ug/m3

    --

    --

    --

    --

    Santa Margarida i els Monjos AQI O3 NO2 SO2 PM2.5 PM10 CO
    Santa Margarida i els Monjos (la Ràpita) 16:00 del 24/11/2020 5

    --

    5

    9 ug/m3

    --

    --

    --

    --

    Santa Maria de Palautordera AQI O3 NO2 SO2 PM2.5 PM10 CO
    Santa Maria de Palautordera (Martí Boada) 13:00 del 25/11/2020 31

    31

    67 ug/m3

    --

    --

    --

    --

    --

    Santa Perpètua de Mogoda AQI O3 NO2 SO2 PM2.5 PM10 CO
    Santa Perpètua de Mogoda (Onze de Setembre) 13:00 del 25/11/2020 38

    --

    30

    60 ug/m3

    3

    5 ug/m3

    --

    38

    41.38 ug/m3

    --

    Terrassa AQI O3 NO2 SO2 PM2.5 PM10 CO
    Terrassa (Pare Alegre) 12:00 del 25/11/2020 25

    19

    41 ug/m3

    25

    50 ug/m3

    1

    3 ug/m3

    --

    --

    3

    300 ug/m3
    Tona AQI O3 NO2 SO2 PM2.5 PM10 CO
    Tona (zona esportiva) 12:00 del 25/11/2020 17

    2

    4 ug/m3

    17

    34 ug/m3

    --

    --

    --

    --

    Vic AQI O3 NO2 SO2 PM2.5 PM10 CO
    Vic (estadi) 13:00 del 25/11/2020 2

    2

    3 ug/m3

    --

    --

    --

    --

    --

    Viladecans AQI O3 NO2 SO2 PM2.5 PM10 CO
    Viladecans (Atrium) 12:00 del 25/11/2020 21

    21

    46 ug/m3

    19

    38 ug/m3

    1

    3 ug/m3

    --

    --

    5

    500 ug/m3
    Vilanova i la Geltrú AQI O3 NO2 SO2 PM2.5 PM10 CO
    Vilanova i la Geltrú (pl. de les Danses de Vilanova) 13:00 del 25/11/2020 36

    36

    77 ug/m3

    15

    31 ug/m3

    --

    1 ug/m3

    --

    --

    2

    200 ug/m3
    Vilafranca del Penedès AQI O3 NO2 SO2 PM2.5 PM10 CO
    Vilafranca del Penedès (zona esportiva) 11:00 del 25/11/2020 18

    18

    37 ug/m3

    8

    15 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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