¿Cuál es la calidad del aire en Chennai la actualidad? ¿El aire está contaminado en Chennai? ¿Hay smog?
¿Cuál es el nivel actual de PM2.5 en Chennai? (polvo de partículas (PM2.5))
El nivel actual de PM2.5 es:
21 (Moderado)
En comparación, el nivel más alto de PM2.5 en Chennai en los últimos 7 días fue: 22 (lunes, 21 de septiembre de 2026) y el más bajo: 12 (lunes, 31 de agosto de 2026).
Se registraron los valores PM2.5 más altos: 597 (diciembre de 2018).
El nivel más bajo de contaminación por partículas PM2.5 se produce en el mes: mayo (9.1).
¿Cuál es el nivel de PM10 hoy en Chennai? (partículas de materia (PM10) polvo en suspensión)
El nivel actual de partículas PM10 en Chennai es:
26 (Moderado)
¿Cómo es el nivel de O3 hoy en Chennai? (ozono (O3))
70 (Moderado)
¿Qué tan alto es el nivel de NO2? (dióxido de nitrógeno (NO2))
13 (bien)
¿Cuál es el nivel de contaminación por SO2? (dióxido de azufre (SO2))
13 (bien)
¿Qué tan alto es el nivel de CO? (monóxido de carbono (CO))
336 (bien)
PM2,5 21 (Moderado)
PM10 26 (Moderado)
O3 70 (Moderado)
NO2 13 (bien)
SO2 13 (bien)
CO 336 (bien)
| index | 2026-09-20 | 2026-09-21 | 2026-09-22 | 2026-09-23 | 2026-09-24 | 2026-09-25 | 2026-09-26 | 2026-09-07 | 2026-09-06 | 2026-09-05 | 2026-09-04 | 2026-09-03 | 2026-09-02 | 2026-09-01 | 2026-08-31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| pm25 | 18 Moderate |
22 Moderate |
17 Moderate |
14 Moderate |
16 Moderate |
14 Moderate |
14 Moderate |
20 Moderate |
21 Moderate |
21 Moderate |
18 Moderate |
22 Moderate |
21 Moderate |
17 Moderate |
12 Good |
| pm10 | 20 Moderate |
24 Moderate |
18 Good |
16 Good |
20 Moderate |
16 Good |
18 Good |
26 Moderate |
26 Moderate |
26 Moderate |
23 Moderate |
29 Moderate |
27 Moderate |
23 Moderate |
17 Good |
| o3 | 116 Moderate |
119 Moderate |
84 Moderate |
64 Good |
80 Moderate |
76 Moderate |
99 Moderate |
109 Moderate |
107 Moderate |
99 Moderate |
93 Moderate |
102 Moderate |
111 Moderate |
105 Moderate |
75 Moderate |
| no2 | 8 Good |
13 Good |
18 Good |
17 Good |
13 Good |
12 Good |
10 Good |
8 Good |
8 Good |
9 Good |
10 Good |
12 Good |
8 Good |
9 Good |
9 Good |
| so2 | 9 Good |
14 Good |
12 Good |
12 Good |
9 Good |
8 Good |
8 Good |
11 Good |
11 Good |
12 Good |
10 Good |
11 Good |
10 Good |
9 Good |
7 Good |
| co | 251 Good |
302 Good |
385 Good |
367 Good |
304 Good |
295 Good |
260 Good |
268 Good |
245 Good |
271 Good |
295 Good |
265 Good |
248 Good |
262 Good |
207 Good |
| index | 2020-05 | 2020-04 | 2020-03 | 2020-02 | 2020-01 | 2019-12 | 2019-11 | 2019-10 | 2019-09 | 2019-08 | 2019-07 | 2019-06 | 2019-05 | 2019-04 | 2019-03 | 2019-02 | 2019-01 | 2018-12 | 2018-09 | 2018-08 | 2018-07 | 2018-06 | 2018-05 | 2018-04 | 2018-03 | 2018-02 | 2018-01 | 2017-12 | 2017-11 | 2017-10 | 2017-09 | 2017-08 | 2017-07 | 2017-06 | 2017-05 | 2017-04 | 2017-03 | 2017-02 | 2017-01 | 2016-12 | 2016-11 | 2016-10 | 2016-09 | 2016-08 | 2016-07 | 2016-06 | 2016-05 | 2016-04 | 2016-03 | 2016-02 | 2016-01 | 2015-12 | 2018-11 | 2018-10 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| pm25 | 9.1 (Good) | 9.6 (Good) | 24 (Moderate) | 32 (Moderate) | 32 (Moderate) | 30 (Moderate) | 39 (Unhealthy for Sensitive Groups) | 20 (Moderate) | 19 (Moderate) | 17 (Moderate) | 36 (Unhealthy for Sensitive Groups) | 30 (Moderate) | 25 (Moderate) | 15 (Moderate) | 22 (Moderate) | 34 (Moderate) | 205 (Very bad Hazardous) | 597 (Very bad Hazardous) | 35 (Moderate) | 60 (Unhealthy) | 45 (Unhealthy for Sensitive Groups) | 105 (Very Unhealthy) | 66 (Unhealthy) | 40 (Unhealthy for Sensitive Groups) | 201 (Very bad Hazardous) | 329 (Very bad Hazardous) | 84 (Very Unhealthy) | 54 (Unhealthy for Sensitive Groups) | 52 (Unhealthy for Sensitive Groups) | 65 (Unhealthy) | 18 (Moderate) | 23 (Moderate) | 27 (Moderate) | 24 (Moderate) | 40 (Unhealthy for Sensitive Groups) | 31 (Moderate) | 29 (Moderate) | 32 (Moderate) | 47 (Unhealthy for Sensitive Groups) | 54 (Unhealthy for Sensitive Groups) | 50 (Unhealthy for Sensitive Groups) | 50 (Unhealthy for Sensitive Groups) | 30 (Moderate) | 37 (Unhealthy for Sensitive Groups) | 33 (Moderate) | 37 (Unhealthy for Sensitive Groups) | 18 (Moderate) | 20 (Moderate) | 26 (Moderate) | 36 (Unhealthy for Sensitive Groups) | 49 (Unhealthy for Sensitive Groups) | 63 (Unhealthy) | 41 (Unhealthy for Sensitive Groups) | 34 (Moderate) |
| no2 | 1.7 (Good) | 1.6 (Good) | 3.8 (Good) | 5.7 (Good) | 4.9 (Good) | 8.8 (Good) | 16 (Good) | 18 (Good) | 17 (Good) | 17 (Good) | 23 (Good) | 27 (Good) | 8.3 (Good) | 7.6 (Good) | - (Good) | 11 (Good) | - (Good) | - (Good) | 15 (Good) | 15 (Good) | - (Good) | - (Good) | 46 (Moderate) | 33 (Good) | - (Good) | - (Good) | - (Good) | - (Good) | - (Good) | - (Good) | - (Good) | - (Good) | - (Good) | - (Good) | - (Good) | - (Good) | - (Good) | - (Good) | - (Good) | - (Good) | - (Good) | - (Good) | - (Good) | - (Good) | - (Good) | - (Good) | - (Good) | - (Good) | - (Good) | - (Good) | - (Good) | - (Good) | 9.8 (Good) | 13 (Good) |
| so2 | 4 (Good) | 7.4 (Good) | 6.4 (Good) | 6 (Good) | 5.3 (Good) | 4.9 (Good) | 4.5 (Good) | 4.7 (Good) | 3.6 (Good) | 3.8 (Good) | 3.7 (Good) | 4.1 (Good) | 4.7 (Good) | 4.6 (Good) | - (Good) | 4.5 (Good) | - (Good) | - (Good) | 4.2 (Good) | 4.3 (Good) | - (Good) | - (Good) | 9.1 (Good) | 4.1 (Good) | - (Good) | - (Good) | - (Good) | - (Good) | - (Good) | - (Good) | - (Good) | - (Good) | - (Good) | - (Good) | - (Good) | - (Good) | - (Good) | - (Good) | - (Good) | - (Good) | - (Good) | - (Good) | - (Good) | - (Good) | - (Good) | - (Good) | - (Good) | - (Good) | - (Good) | - (Good) | - (Good) | - (Good) | 4.2 (Good) | 6.2 (Good) |
| co | 744 (Good) | 747 (Good) | 665 (Good) | 875 (Good) | 845 (Good) | 454 (Good) | 525 (Good) | 793 (Good) | 724 (Good) | 724 (Good) | 767 (Good) | 1 (Good) | 826 (Good) | 843 (Good) | - (Good) | 1 (Good) | - (Good) | - (Good) | 659 (Good) | 648 (Good) | - (Good) | - (Good) | 925 (Good) | 779 (Good) | - (Good) | - (Good) | - (Good) | - (Good) | - (Good) | - (Good) | - (Good) | - (Good) | - (Good) | - (Good) | - (Good) | - (Good) | - (Good) | - (Good) | - (Good) | - (Good) | - (Good) | - (Good) | - (Good) | - (Good) | - (Good) | - (Good) | - (Good) | - (Good) | - (Good) | - (Good) | - (Good) | - (Good) | 966 (Good) | 779 (Good) |
| o3 | 12 (Good) | 11 (Good) | 5.6 (Good) | 20 (Good) | 12 (Good) | 23 (Good) | 17 (Good) | 15 (Good) | 15 (Good) | 20 (Good) | 34 (Good) | 41 (Good) | 18 (Good) | 16 (Good) | - (Good) | 75 (Moderate) | - (Good) | - (Good) | 31 (Good) | 9.2 (Good) | - (Good) | - (Good) | 34 (Good) | 26 (Good) | - (Good) | - (Good) | - (Good) | - (Good) | - (Good) | - (Good) | - (Good) | - (Good) | - (Good) | - (Good) | - (Good) | - (Good) | - (Good) | - (Good) | - (Good) | - (Good) | - (Good) | - (Good) | - (Good) | - (Good) | - (Good) | - (Good) | - (Good) | - (Good) | - (Good) | - (Good) | - (Good) | - (Good) | 21 (Good) | 32 (Good) |
PM2,5 21 (Moderado)
polvo de partículas (PM2.5)PM10 26 (Moderado)
partículas de materia (PM10) polvo en suspensiónO3 70 (Moderado)
ozono (O3)NO2 13 (bien)
dióxido de nitrógeno (NO2)SO2 13 (bien)
dióxido de azufre (SO2)CO 336 (bien)
monóxido de carbono (CO)Chennai
| index | 2026-08-31 | 2026-09-01 | 2026-09-02 | 2026-09-03 | 2026-09-04 | 2026-09-05 | 2026-09-06 | 2026-09-07 | 2026-09-26 | 2026-09-25 | 2026-09-24 | 2026-09-23 | 2026-09-22 | 2026-09-21 | 2026-09-20 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| pm25 | 12 | 17 | 21 | 22 | 18 | 21 | 21 | 20 | 14 | 14 | 16 | 14 | 17 | 22 | 18 |
| pm10 | 17 | 23 | 27 | 29 | 23 | 26 | 26 | 26 | 18 | 16 | 20 | 16 | 18 | 24 | 20 |
| o3 | 75 | 105 | 111 | 102 | 93 | 99 | 107 | 109 | 99 | 76 | 80 | 64 | 84 | 119 | 116 |
| no2 | 8.8 | 8.8 | 7.8 | 12 | 9.6 | 9.3 | 7.5 | 8.1 | 10 | 12 | 13 | 17 | 18 | 13 | 8.2 |
| so2 | 7.1 | 8.6 | 10 | 11 | 9.9 | 12 | 11 | 11 | 8.2 | 8.5 | 8.9 | 12 | 12 | 14 | 9 |
| co | 207 | 262 | 248 | 265 | 295 | 271 | 245 | 268 | 260 | 295 | 304 | 367 | 385 | 302 | 251 |
US Diplomatic Post: Chennai
| index | 2020-05 | 2020-04 | 2020-03 | 2020-02 | 2020-01 | 2019-12 | 2019-11 | 2019-10 | 2019-09 | 2019-08 | 2019-07 | 2019-06 | 2019-05 | 2019-04 | 2019-03 | 2019-02 | 2019-01 | 2018-12 | 2018-09 | 2018-08 | 2018-07 | 2018-06 | 2018-05 | 2018-04 | 2018-03 | 2018-02 | 2018-01 | 2017-12 | 2017-11 | 2017-10 | 2017-09 | 2017-08 | 2017-07 | 2017-06 | 2017-05 | 2017-04 | 2017-03 | 2017-02 | 2017-01 | 2016-12 | 2016-11 | 2016-10 | 2016-09 | 2016-08 | 2016-07 | 2016-06 | 2016-05 | 2016-04 | 2016-03 | 2016-02 | 2016-01 | 2015-12 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| pm25 | 9.5 | 8.9 | 22 | 31 | 35 | 35 | 48 | 14 | 21 | 19 | 22 | 19 | 24 | 15 | 22 | 35 | 205 | 597 | 43 | 94 | 45 | 105 | 95 | 46 | 201 | 329 | 84 | 54 | 52 | 65 | 18 | 23 | 27 | 24 | 40 | 31 | 29 | 32 | 47 | 54 | 50 | 50 | 30 | 37 | 33 | 37 | 18 | 20 | 26 | 36 | 49 | 63 |
Velachery Res. Area, Chennai - CPCB
| index | 2020-05 | 2020-04 | 2020-03 | 2020-02 | 2020-01 | 2019-12 | 2019-11 | 2019-10 | 2019-09 | 2019-08 | 2019-07 | 2019-06 | 2019-05 | 2019-04 | 2019-02 | 2018-11 | 2018-10 | 2018-09 | 2018-08 | 2018-05 | 2018-04 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| pm25 | 8.7 | 10 | 27 | 32 | 30 | 25 | 30 | 26 | 16 | 14 | 49 | 41 | 26 | 16 | 34 | 41 | 34 | 26 | 26 | 37 | 34 |
| no2 | 1.7 | 1.6 | 3.8 | 5.7 | 4.9 | 8.8 | 16 | 18 | 17 | 17 | 23 | 27 | 8.3 | 7.6 | 11 | 9.8 | 13 | 15 | 15 | 46 | 33 |
| so2 | 4 | 7.4 | 6.4 | 6 | 5.3 | 4.9 | 4.5 | 4.7 | 3.6 | 3.8 | 3.7 | 4.1 | 4.7 | 4.6 | 4.5 | 4.2 | 6.2 | 4.2 | 4.3 | 9.1 | 4.1 |
| co | 744 | 747 | 665 | 875 | 845 | 454 | 525 | 793 | 724 | 724 | 767 | 1 | 826 | 843 | 1 | 966 | 779 | 659 | 648 | 925 | 779 |
| o3 | 12 | 11 | 5.6 | 20 | 12 | 23 | 17 | 15 | 15 | 20 | 34 | 41 | 18 | 16 | 75 | 21 | 32 | 31 | 9.2 | 34 | 26 |
Previsión del tiempo a 16 días para Chennai: hoy unos 39°C (lluvia), mínimas cerca de 28°C. Temperatura y condiciones actualizadas a diario. El viento fuerte (unos 29 km/h) despeja eficazmente el smog y el polvo.
El índice UV en Chennai hoy es 8.3 (muy alto) — la piel clara sin protección puede quemarse en unos 25 minutos.
PM2.5 en vivo alrededor de Chennai: compara localidades cercanas.