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) 06:00 del 20/09/2020 21

    21

    46 ug/m3

    6

    11 ug/m3

    --

    1 ug/m3

    --

    --

    --

    Barberà del Vallès AQI O3 NO2 SO2 PM2.5 PM10 CO
    Barberà del Vallès (Moragues - Montserrat) 06:00 del 20/09/2020 8

    --

    8

    16 ug/m3

    --

    --

    --

    --

    Barcelona AQI O3 NO2 SO2 PM2.5 PM10 CO
    Barcelona (Ciutadella) 06:00 del 20/09/2020 26

    26

    56 ug/m3

    4

    7 ug/m3

    --

    --

    --

    --

    Barcelona (el Poblenou) 06:00 del 20/09/2020 5

    --

    5

    9 ug/m3

    --

    --

    --

    --

    Barcelona (Gràcia - Sant Gervasi) 06:00 del 20/09/2020 22

    22

    47 ug/m3

    4

    7 ug/m3

    --

    1 ug/m3

    --

    --

    2

    200 ug/m3
    Barcelona (l'Eixample) 06:00 del 20/09/2020 24

    24

    51 ug/m3

    6

    11 ug/m3

    --

    1 ug/m3

    --

    --

    2

    200 ug/m3
    Barcelona (Palau Reial) 06:00 del 20/09/2020 29

    29

    61 ug/m3

    2

    3 ug/m3

    --

    1 ug/m3

    --

    --

    2

    200 ug/m3
    Barcelona (parc de la Vall d'Hebron) 06:00 del 20/09/2020 28

    28

    59 ug/m3

    4

    7 ug/m3

    --

    1 ug/m3

    --

    --

    3

    300 ug/m3
    Barcelona (Sants) 06:00 del 20/09/2020 3

    --

    3

    5 ug/m3

    --

    --

    --

    --

    Berga AQI O3 NO2 SO2 PM2.5 PM10 CO
    Berga (poliesportiu) 06:00 del 20/09/2020 16

    16

    33 ug/m3

    3

    6 ug/m3

    --

    1 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) 06:00 del 20/09/2020 3

    --

    3

    6 ug/m3

    --

    --

    --

    --

    El Prat de Llobregat AQI O3 NO2 SO2 PM2.5 PM10 CO
    El Prat de Llobregat (CEM Sagnier) 06:00 del 20/09/2020 18

    18

    37 ug/m3

    8

    15 ug/m3

    1

    2 ug/m3

    --

    --

    3

    300 ug/m3
    el Prat de Llobregat (jardins de la pau) 06:00 del 20/09/2020 7

    --

    7

    13 ug/m3

    1

    2 ug/m3

    --

    --

    --

    Gavà AQI O3 NO2 SO2 PM2.5 PM10 CO
    Gavà (parc del Mil·leni) 06:00 del 20/09/2020 10

    10

    22 ug/m3

    2

    3 ug/m3

    1

    2 ug/m3

    --

    --

    3

    400 ug/m3
    Granollers AQI O3 NO2 SO2 PM2.5 PM10 CO
    Granollers (Francesc Macià) 06:00 del 20/09/2020 18

    6

    11 ug/m3

    12

    24 ug/m3

    --

    --

    18

    19.25 ug/m3

    --

    Igualada AQI O3 NO2 SO2 PM2.5 PM10 CO
    Igualada (la Masuca) 06:00 del 20/09/2020 22

    22

    48 ug/m3

    3

    5 ug/m3

    1

    3 ug/m3

    --

    --

    3

    300 ug/m3
    L' Hospitalet de Llobregat AQI O3 NO2 SO2 PM2.5 PM10 CO
    l'Hospitalet de Llobregat (av. del Torrent Gornal) 06:00 del 20/09/2020 7

    --

    4

    7 ug/m3

    --

    --

    7

    7.13 ug/m3

    --

    Manlleu AQI O3 NO2 SO2 PM2.5 PM10 CO
    Manlleu (hospital comarcal) 06:00 del 20/09/2020 6

    6

    13 ug/m3

    4

    7 ug/m3

    --

    1 ug/m3

    --

    --

    --

    Martorell AQI O3 NO2 SO2 PM2.5 PM10 CO
    Martorell (Canyameres - Claret) 06:00 del 20/09/2020 4

    --

    4

    8 ug/m3

    --

    --

    --

    --

    Mataró AQI O3 NO2 SO2 PM2.5 PM10 CO
    Mataró (passeig dels Molins) 06:00 del 20/09/2020 20

    20

    44 ug/m3

    6

    11 ug/m3

    --

    1 ug/m3

    --

    --

    2

    200 ug/m3
    Mollet del Vallès AQI O3 NO2 SO2 PM2.5 PM10 CO
    Mollet del Vallès (pista d'atletisme) 06:00 del 20/09/2020 11

    --

    11

    23 ug/m3

    --

    --

    --

    --

    Moncada i Reixac AQI O3 NO2 SO2 PM2.5 PM10 CO
    Montcada i Reixac (pl. de Lluís Companys) 06:00 del 20/09/2020 13

    13

    28 ug/m3

    5

    9 ug/m3

    3

    4 ug/m3

    --

    --

    2

    200 ug/m3
    Montseny AQI O3 NO2 SO2 PM2.5 PM10 CO
    Montseny (la Castanya) 07:00 del 20/09/2020 31

    31

    67 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) 06:00 del 20/09/2020 2

    --

    2

    3 ug/m3

    1

    2 ug/m3

    --

    --

    --

    Rubi AQI O3 NO2 SO2 PM2.5 PM10 CO
    Rubí (ca n'Oriol) 06:00 del 20/09/2020 23

    23

    50 ug/m3

    2

    4 ug/m3

    --

    1 ug/m3

    --

    11

    11.5 ug/m3

    3

    400 ug/m3
    Sabadell AQI O3 NO2 SO2 PM2.5 PM10 CO
    Sabadell (Gran Via) 06:00 del 20/09/2020 19

    19

    41 ug/m3

    6

    11 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) 06:00 del 20/09/2020 22

    22

    47 ug/m3

    6

    12 ug/m3

    --

    --

    8

    8.5 ug/m3

    --

    Sant Andreu de la Barca AQI O3 NO2 SO2 PM2.5 PM10 CO
    Sant Andreu de la Barca (CEIP Josep Pla) 06:00 del 20/09/2020 3

    --

    3

    6 ug/m3

    --

    --

    --

    --

    Sant Celoni AQI O3 NO2 SO2 PM2.5 PM10 CO
    Sant Celoni (Carles Damm) 06:00 del 20/09/2020 10

    6

    13 ug/m3

    7

    13 ug/m3

    --

    1 ug/m3

    --

    10

    10.75 ug/m3

    --

    Sant Cugat del Vallès AQI O3 NO2 SO2 PM2.5 PM10 CO
    Sant Cugat del Vallès (parc de Sant Francesc) 07:00 del 20/09/2020 10

    10

    21 ug/m3

    6

    11 ug/m3

    --

    --

    --

    --

    Sant Vicenç dels Horts AQI O3 NO2 SO2 PM2.5 PM10 CO
    Sant Vicenç dels Horts (Àlaba) 05:00 del 20/09/2020 15

    --

    15

    30 ug/m3

    --

    1 ug/m3

    --

    --

    --

    Sant Vicenç dels Horts (Ribot - Sant Miquel) 06:00 del 20/09/2020 16

    16

    33 ug/m3

    7

    14 ug/m3

    --

    1 ug/m3

    --

    15

    15.75 ug/m3

    --

    Santa Coloma de Gramanet AQI O3 NO2 SO2 PM2.5 PM10 CO
    Santa Coloma de Gramenet (Balldovina) 06:00 del 20/09/2020 5

    --

    5

    10 ug/m3

    --

    --

    --

    --

    Santa Margarida i els Monjos AQI O3 NO2 SO2 PM2.5 PM10 CO
    Santa Margarida i els Monjos (la Ràpita) 06:00 del 20/09/2020 1

    --

    1

    1 ug/m3

    --

    --

    --

    --

    Santa Maria de Palautordera AQI O3 NO2 SO2 PM2.5 PM10 CO
    Santa Maria de Palautordera (Martí Boada) 06:00 del 20/09/2020 10

    10

    21 ug/m3

    --

    --

    --

    --

    --

    Santa Perpètua de Mogoda AQI O3 NO2 SO2 PM2.5 PM10 CO
    Santa Perpètua de Mogoda (Onze de Setembre) 06:00 del 20/09/2020 14

    --

    12

    24 ug/m3

    1

    2 ug/m3

    --

    14

    15.13 ug/m3

    --

    Terrassa AQI O3 NO2 SO2 PM2.5 PM10 CO
    Terrassa (Pare Alegre) 06:00 del 20/09/2020 27

    27

    58 ug/m3

    4

    8 ug/m3

    --

    1 ug/m3

    --

    --

    2

    200 ug/m3
    Tona AQI O3 NO2 SO2 PM2.5 PM10 CO
    Tona (zona esportiva) 06:00 del 20/09/2020 12

    12

    26 ug/m3

    2

    4 ug/m3

    --

    --

    --

    --

    Vic AQI O3 NO2 SO2 PM2.5 PM10 CO
    Vic (estadi) 06:00 del 20/09/2020 6

    6

    12 ug/m3

    --

    --

    --

    --

    --

    Viladecans AQI O3 NO2 SO2 PM2.5 PM10 CO
    Viladecans (Atrium) 03:00 del 19/09/2020 6

    6

    14 ug/m3

    5

    9 ug/m3

    1

    3 ug/m3

    --

    --

    --

    Vilanova i la Geltrú AQI O3 NO2 SO2 PM2.5 PM10 CO
    Vilanova i la Geltrú (pl. de les Danses de Vilanova) 06:00 del 20/09/2020 16

    16

    34 ug/m3

    4

    8 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) 06:00 del 20/09/2020 23

    23

    49 ug/m3

    3

    5 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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