¿Cuál es la calidad del aire en Tamil Nadu la actualidad? ¿El aire está contaminado en Tamil Nadu? ¿Hay smog?
¿Qué tan alto es el nivel de NO2? (dióxido de nitrógeno (NO2))
22 (bien)
¿Qué tan alto es el nivel de CO? (monóxido de carbono (CO))
1278 (bien)
¿Cuál es el nivel actual de PM2.5 en Tamil Nadu? (polvo de partículas (PM2.5))
El nivel actual de PM2.5 es:
-84 (bien)
En comparación, el nivel más alto de PM2.5 en Tamil Nadu en los últimos 7 días fue: 81 (miércoles, 12 de octubre de 2022) y el más bajo: -999 (martes, 26 de septiembre de 2023).
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 (11).
¿Cómo es el nivel de O3 hoy en Tamil Nadu? (ozono (O3))
15 (bien)
¿Cuál es el nivel de contaminación por SO2? (dióxido de azufre (SO2))
12 (bien)
¿Cuál es el nivel de PM10 hoy en Tamil Nadu? (partículas de materia (PM10) polvo en suspensión)
El nivel actual de partículas PM10 en Tamil Nadu es:
52 (Insalubre para grupos sensibles)
Los valores PM10 más altos suelen ocurrir en el mes: 73 (noviembre de 2019).
El valor más bajo de la contaminación por partículas PM10 en Tamil Nadu suele registrarse en: agosto (29).
NO2 22 (bien)
CO 1278 (bien)
PM2,5 -84 (bien)
O3 15 (bien)
SO2 12 (bien)
PM10 52 (Insalubre para grupos sensibles)
index | 2022-10-31 | 2022-10-07 | 2022-10-08 | 2022-10-09 | 2022-10-10 | 2022-10-11 | 2022-10-12 | 2022-10-13 | 2022-10-14 | 2023-09-26 | 2023-09-27 | 2023-09-28 | 2023-09-29 | 2023-09-30 | 2023-10-01 | 2023-10-02 | 2023-10-03 | 2022-07-27 | 2022-07-28 | 2022-07-29 | 2022-07-30 | 2022-07-31 | 2022-08-01 | 2022-08-02 | 2024-01-31 | 2024-02-01 | 2024-02-02 | 2024-02-03 | 2024-02-04 | 2024-02-05 | 2024-02-06 |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
no2 | 30 Good |
14 Good |
16 Good |
16 Good |
19 Good |
18 Good |
16 Good |
17 Good |
13 Good |
- Good |
- Good |
- Good |
- Good |
- Good |
- Good |
- Good |
- Good |
13 Good |
14 Good |
14 Good |
13 Good |
13 Good |
15 Good |
14 Good |
- Good |
- Good |
- Good |
- Good |
- Good |
- Good |
- Good |
co | 1808 Good |
1280 Good |
1202 Good |
1519 Good |
1563 Good |
1473 Good |
1131 Good |
1274 Good |
1034 Good |
- Good |
- Good |
- Good |
- Good |
- Good |
- Good |
- Good |
- Good |
360 Good |
360 Good |
360 Good |
1934 Good |
2601 Moderate |
1395 Good |
50 Good |
- Good |
- Good |
- Good |
- Good |
- Good |
- Good |
- Good |
pm25 | 77 Very Unhealthy |
27 Moderate |
52 Unhealthy for Sensitive Groups |
79 Very Unhealthy |
40 Unhealthy for Sensitive Groups |
28 Moderate |
81 Very Unhealthy |
20 Moderate |
19 Moderate |
-999 Good |
-999 Good |
-999 Good |
-999 Good |
-999 Good |
-999 Good |
-999 Good |
-999 Good |
41 Unhealthy for Sensitive Groups |
55 Unhealthy |
61 Unhealthy |
6 Good |
0 Good |
8 Good |
10 Good |
30 Moderate |
15 Moderate |
15 Moderate |
20 Moderate |
19 Moderate |
36 Unhealthy for Sensitive Groups |
63 Unhealthy |
o3 | 16 Good |
5 Good |
5 Good |
5 Good |
7 Good |
7 Good |
7 Good |
8 Good |
5 Good |
- Good |
- Good |
- Good |
- Good |
- Good |
- Good |
- Good |
- Good |
5 Good |
5 Good |
5 Good |
8 Good |
5 Good |
8 Good |
6 Good |
- Good |
- Good |
- Good |
- Good |
- Good |
- Good |
- Good |
so2 | 12 Good |
19 Good |
19 Good |
13 Good |
13 Good |
13 Good |
14 Good |
15 Good |
17 Good |
- Good |
- Good |
- Good |
- Good |
- Good |
- Good |
- Good |
- Good |
2 Good |
2 Good |
2 Good |
7 Good |
8 Good |
6 Good |
3 Good |
- Good |
- Good |
- Good |
- Good |
- Good |
- Good |
- Good |
pm10 | 74 Unhealthy for Sensitive Groups |
44 Moderate |
47 Moderate |
24 Moderate |
21 Moderate |
38 Moderate |
43 Moderate |
38 Moderate |
34 Moderate |
- Good |
- Good |
- Good |
- Good |
- Good |
- Good |
- Good |
- Good |
80 Unhealthy |
102 Unhealthy |
112 Very Unhealthy |
29 Moderate |
26 Moderate |
17 Good |
16 Good |
- Good |
- Good |
- Good |
- Good |
- Good |
- Good |
- 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 | 2019-02 | 2018-11 | 2018-10 | 2018-09 | 2018-08 | 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 | 2019-03 | 2019-01 | 2018-12 | 2018-07 | 2018-06 | 2016-02 | 2016-01 | 2015-12 |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
pm25 | 11 (Good) | 18 (Moderate) | 35 (Unhealthy for Sensitive Groups) | 43 (Unhealthy for Sensitive Groups) | 46 (Unhealthy for Sensitive Groups) | 40 (Unhealthy for Sensitive Groups) | 37 (Unhealthy for Sensitive Groups) | 32 (Moderate) | 40 (Unhealthy for Sensitive Groups) | 25 (Moderate) | 35 (Moderate) | 27 (Moderate) | 32 (Moderate) | 43 (Unhealthy for Sensitive Groups) | 132 (Very bad Hazardous) | 49 (Unhealthy for Sensitive Groups) | 45 (Unhealthy for Sensitive Groups) | 40 (Unhealthy for Sensitive Groups) | 50 (Unhealthy for Sensitive Groups) | 46 (Unhealthy for Sensitive Groups) | 44 (Unhealthy for Sensitive Groups) | 111 (Very bad Hazardous) | 125 (Very bad Hazardous) | 78 (Very Unhealthy) | 55 (Unhealthy) | 45 (Unhealthy for Sensitive Groups) | 53 (Unhealthy for Sensitive Groups) | 31 (Moderate) | 30 (Moderate) | 51 (Unhealthy for Sensitive Groups) | 45 (Unhealthy for Sensitive Groups) | 54 (Unhealthy for Sensitive Groups) | 54 (Unhealthy for Sensitive Groups) | 45 (Unhealthy for Sensitive Groups) | 46 (Unhealthy for Sensitive Groups) | 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) | 22 (Moderate) | 205 (Very bad Hazardous) | 597 (Very bad Hazardous) | 45 (Unhealthy for Sensitive Groups) | 105 (Very Unhealthy) | 36 (Unhealthy for Sensitive Groups) | 49 (Unhealthy for Sensitive Groups) | 63 (Unhealthy) |
no2 | 7.3 (Good) | 9.8 (Good) | 13 (Good) | 19 (Good) | 21 (Good) | 20 (Good) | 20 (Good) | 22 (Good) | 15 (Good) | 19 (Good) | 19 (Good) | 17 (Good) | 12 (Good) | 11 (Good) | 12 (Good) | 18 (Good) | 22 (Good) | 18 (Good) | 18 (Good) | 33 (Good) | 24 (Good) | 21 (Good) | 19 (Good) | 18 (Good) | 23 (Good) | 23 (Good) | 21 (Good) | 19 (Good) | 13 (Good) | 18 (Good) | 17 (Good) | 18 (Good) | 15 (Good) | 15 (Good) | 22 (Good) | 22 (Good) | 30 (Good) | 32 (Good) | 29 (Good) | 21 (Good) | 15 (Good) | 15 (Good) | 14 (Good) | 17 (Good) | 12 (Good) | 8.7 (Good) | - (Good) | - (Good) | - (Good) | - (Good) | - (Good) | - (Good) | - (Good) | - (Good) |
so2 | 4.4 (Good) | 5.7 (Good) | 8 (Good) | 12 (Good) | 13 (Good) | 8.4 (Good) | 7.3 (Good) | 6.9 (Good) | 6.2 (Good) | 7.1 (Good) | 6.1 (Good) | 5.6 (Good) | 5.6 (Good) | 6.2 (Good) | 12 (Good) | 9.3 (Good) | 8.8 (Good) | 6.9 (Good) | 9.4 (Good) | 7 (Good) | 6 (Good) | 9.6 (Good) | 8.5 (Good) | 18 (Good) | 13 (Good) | 12 (Good) | 11 (Good) | 9.9 (Good) | 6 (Good) | 5.8 (Good) | 5.2 (Good) | - (Good) | - (Good) | - (Good) | - (Good) | - (Good) | - (Good) | - (Good) | - (Good) | - (Good) | - (Good) | - (Good) | - (Good) | - (Good) | - (Good) | - (Good) | - (Good) | - (Good) | - (Good) | - (Good) | - (Good) | - (Good) | - (Good) | - (Good) |
co | 577 (Good) | 692 (Good) | 475 (Good) | 558 (Good) | 399 (Good) | 395 (Good) | 606 (Good) | 638 (Good) | 646 (Good) | 407 (Good) | 608 (Good) | 426 (Good) | 839 (Good) | 450 (Good) | 234 (Good) | 491 (Good) | 918 (Good) | 844 (Good) | 619 (Good) | 443 (Good) | 202 (Good) | 63 (Good) | 725 (Good) | 684 (Good) | 719 (Good) | 746 (Good) | 834 (Good) | 259 (Good) | 272 (Good) | 488 (Good) | 602 (Good) | 635 (Good) | 280 (Good) | 681 (Good) | 702 (Good) | 477 (Good) | 587 (Good) | 204 (Good) | 156 (Good) | 494 (Good) | 259 (Good) | 318 (Good) | 448 (Good) | 11 (Good) | 556 (Good) | 868 (Good) | - (Good) | - (Good) | - (Good) | - (Good) | - (Good) | - (Good) | - (Good) | - (Good) |
o3 | 35 (Good) | 33 (Good) | 30 (Good) | 21 (Good) | 19 (Good) | 24 (Good) | 29 (Good) | 31 (Good) | 56 (Good) | 47 (Good) | 34 (Good) | 41 (Good) | 26 (Good) | 28 (Good) | 60 (Good) | 22 (Good) | 27 (Good) | 24 (Good) | 16 (Good) | 32 (Good) | 30 (Good) | 15 (Good) | 33 (Good) | 41 (Good) | 39 (Good) | 25 (Good) | 26 (Good) | 28 (Good) | 20 (Good) | 22 (Good) | 26 (Good) | 41 (Good) | 31 (Good) | 23 (Good) | 35 (Good) | 38 (Good) | 35 (Good) | 43 (Good) | 42 (Good) | 23 (Good) | 22 (Good) | 17 (Good) | 28 (Good) | 50 (Good) | 34 (Good) | 29 (Good) | - (Good) | - (Good) | - (Good) | - (Good) | - (Good) | - (Good) | - (Good) | - (Good) |
pm10 | - (Good) | 43 (Moderate) | 29 (Moderate) | 68 (Unhealthy for Sensitive Groups) | 59 (Unhealthy for Sensitive Groups) | 57 (Unhealthy for Sensitive Groups) | 73 (Unhealthy for Sensitive Groups) | 47 (Moderate) | 44 (Moderate) | 29 (Moderate) | 32 (Moderate) | 40 (Moderate) | - (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) | - (Good) | - (Good) | - (Good) | - (Good) | - (Good) | - (Good) | - (Good) | - (Good) | - (Good) | - (Good) | - (Good) | - (Good) | - (Good) |
Green y Parks in the City
Tamil Nadu 47 %
Nepal: 32 % Bangladesh: 33 % Bután: 82 % Sri Lanka: 59 % Pakistán: 49 %partículas de materia PM2.5
Tamil Nadu 37 (Unhealthy for Sensitive Groups)
El placer de pasar tiempo en la ciudad
Tamil Nadu 54 %
Nepal: 32 % Bangladesh: 26 % Bután: 61 % Sri Lanka: 52 % Pakistán: 43 %partículas de materia PM10
Tamil Nadu 66 (Unhealthy for Sensitive Groups)
Contaminación del aire
Tamil Nadu 46 %
Nepal: 76 % Bangladesh: 78 % Bután: 45 % Sri Lanka: 53 % Pakistán: 64 %Eliminación de basura
Tamil Nadu 41 %
Nepal: 25 % Bangladesh: 22 % Bután: 47 % Sri Lanka: 41 % Pakistán: 34 %Disponibilidad y calidad del agua potable
Tamil Nadu 55 %
Nepal: 36 % Bangladesh: 44 % Bután: 64 % Sri Lanka: 65 % Pakistán: 44 %Limpieza y orden
Tamil Nadu 43 %
Nepal: 27 % Bangladesh: 23 % Bután: 57 % Sri Lanka: 52 % Pakistán: 40 %Contaminación acústica y lumínica
Tamil Nadu 51 %
Nepal: 55 % Bangladesh: 63 % Bután: 55 % Sri Lanka: 50 % Pakistán: 59 %Contaminación del agua
Tamil Nadu 59 %
Nepal: 76 % Bangladesh: 74 % Bután: 56 % Sri Lanka: 57 % Pakistán: 70 %NO2 39 (bien)
dióxido de nitrógeno (NO2)CO 4310 (Moderado)
monóxido de carbono (CO)PM2,5 89 (Muy insalubre)
polvo de partículas (PM2.5)O3 26 (bien)
ozono (O3)SO2 9.5 (bien)
dióxido de azufre (SO2)PM10 137 (Muy insalubre)
partículas de materia (PM10) polvo en suspensiónPM2,5 120 (Muy malo Peligroso)
polvo de partículas (PM2.5)PM10 27 (Moderado)
partículas de materia (PM10) polvo en suspensiónNO2 7.5 (bien)
dióxido de nitrógeno (NO2)SO2 9.3 (bien)
dióxido de azufre (SO2)CO 470 (bien)
monóxido de carbono (CO)O3 24 (bien)
ozono (O3)SO2 14 (bien)
dióxido de azufre (SO2)NO2 17 (bien)
dióxido de nitrógeno (NO2)CO 560 (bien)
monóxido de carbono (CO)O3 4.2 (bien)
ozono (O3)PM10 31 (Moderado)
partículas de materia (PM10) polvo en suspensiónPM2,5 10 (bien)
polvo de partículas (PM2.5)PM2,5 -999 (bien)
polvo de partículas (PM2.5)NO2 48 (Moderado)
dióxido de nitrógeno (NO2)CO 940 (bien)
monóxido de carbono (CO)PM2,5 32 (Moderado)
polvo de partículas (PM2.5)O3 3.6 (bien)
ozono (O3)SO2 20 (bien)
dióxido de azufre (SO2)PM10 70 (Insalubre para grupos sensibles)
partículas de materia (PM10) polvo en suspensiónPM10 21 (Moderado)
partículas de materia (PM10) polvo en suspensiónPM2,5 10 (bien)
polvo de partículas (PM2.5)SO2 2.1 (bien)
dióxido de azufre (SO2)CO 300 (bien)
monóxido de carbono (CO)O3 6.8 (bien)
ozono (O3)NO2 15 (bien)
dióxido de nitrógeno (NO2)PM2,5 52 (Insalubre para grupos sensibles)
polvo de partículas (PM2.5)SO2 19 (bien)
dióxido de azufre (SO2)PM10 24 (Moderado)
partículas de materia (PM10) polvo en suspensiónO3 23 (bien)
ozono (O3)PM2,5 16 (Moderado)
polvo de partículas (PM2.5)CO 1090 (bien)
monóxido de carbono (CO)NO2 8.1 (bien)
dióxido de nitrógeno (NO2)Alandur Bus Depot, Chennai - CPCB
index | 2022-10-31 |
---|---|
no2 | 47 |
co | 4080 |
pm25 | 81 |
o3 | 20 |
so2 | 5.5 |
pm10 | 124 |
Manali Village, Chennai - TNPCB
index | 2022-10-31 |
---|---|
pm25 | 120 |
pm10 | 27 |
no2 | 7.5 |
so2 | 9.3 |
co | 470 |
o3 | 24 |
Manali, Chennai - CPCB
index | 2022-10-14 | 2022-10-13 | 2022-10-12 | 2022-10-11 | 2022-10-10 | 2022-10-09 | 2022-10-08 | 2022-10-07 |
---|---|---|---|---|---|---|---|---|
co | 1088 | 1535 | 1217 | 1724 | 2153 | 2125 | 1453 | 1695 |
o3 | 4 | 4.2 | 4.2 | 4.1 | 4.2 | 4.2 | 4.2 | 4.2 |
so2 | 15 | 12 | 9.8 | 7.7 | 6.8 | 7.1 | 18 | 18 |
pm10 | 36 | 37 | 41 | 38 | 23 | 19 | 57 | 54 |
pm25 | 14 | 10 | 124 | 24 | 54 | 138 | 75 | 28 |
no2 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 |
US Diplomatic Post: Chennai
index | 2023-10-03 | 2023-10-02 | 2023-10-01 | 2023-09-30 | 2023-09-29 | 2023-09-28 | 2023-09-27 | 2023-09-26 |
---|---|---|---|---|---|---|---|---|
pm25 | -999 | -999 | -999 | -999 | -999 | -999 | -999 | -999 |
Velachery Res. Area, Chennai - CPCB
index | 2022-10-31 |
---|---|
no2 | 36 |
co | 875 |
pm25 | 31 |
o3 | 4.5 |
so2 | 20 |
pm10 | 71 |
BWSSB Kadabesanahalli, Bengaluru - CPCB
index | 2022-08-02 | 2022-08-01 | 2022-07-31 | 2022-07-30 | 2022-07-29 | 2022-07-28 | 2022-07-27 |
---|---|---|---|---|---|---|---|
o3 | 5.7 | 7.6 | 5 | 7.7 | 4.5 | 5.1 | 4.5 |
pm10 | 16 | 17 | 26 | 29 | 112 | 102 | 80 |
pm25 | 10 | 8 | 0.26 | 6.1 | 61 | 55 | 41 |
so2 | 2.7 | 6.1 | 8.4 | 6.5 | 2.1 | 2.1 | 2.1 |
co | 50 | 1395 | 2601 | 1934 | 360 | 360 | 360 |
no2 | 14 | 15 | 13 | 13 | 14 | 14 | 13 |
US Diplomatic Post: Chennai
index | 2024-02-06 | 2024-02-05 | 2024-02-04 | 2024-02-03 | 2024-02-02 | 2024-02-01 | 2024-01-31 |
---|---|---|---|---|---|---|---|
pm25 | 63 | 36 | 19 | 20 | 15 | 15 | 30 |
SIDCO Kurichi, Coimbatore - TNPCB
index | 2022-10-14 | 2022-10-13 | 2022-10-12 | 2022-10-11 | 2022-10-10 | 2022-10-09 | 2022-10-08 | 2022-10-07 |
---|---|---|---|---|---|---|---|---|
o3 | 6.3 | 12 | 11 | 9.1 | 9.4 | 5.9 | 6 | 6.3 |
so2 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 |
pm25 | 25 | 30 | 38 | 33 | 26 | 20 | 30 | 26 |
no2 | 9.6 | 17 | 15 | 19 | 20 | 16 | 16 | 12 |
co | 980 | 1012 | 1046 | 1222 | 973 | 912 | 952 | 864 |
pm10 | 32 | 39 | 44 | 37 | 19 | 29 | 38 | 35 |
Alandur Bus Depot, 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 | 2018-03 |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
pm25 | 13 | 15 | 32 | 43 | 42 | 43 | 38 | 46 | 31 | 25 | 31 | 22 | 46 | 46 | 385 | 60 | 59 | 45 | 54 | 23 | 40 | 69 |
no2 | 5 | 11 | 11 | 20 | 21 | 22 | 12 | 24 | 11 | 15 | 15 | 18 | 8.7 | 4.1 | 14 | 27 | 27 | 19 | 20 | 16 | 29 | 11 |
so2 | 3.8 | 4.3 | 4.7 | 5.3 | 6 | 5.3 | 9.3 | 8 | 5.3 | 6.4 | 4.1 | 4.8 | 4.4 | 5 | 18 | 14 | 17 | 9.2 | 9.1 | 6.3 | 7.1 | 6.7 |
co | 448 | 406 | 583 | 562 | 599 | 595 | 700 | 1 | 1 | 657 | 714 | 750 | 950 | 1 | 699 | 997 | 943 | 977 | 1 | 1 | 14 | 70 |
o3 | 21 | 14 | 19 | 28 | 18 | 15 | 16 | 14 | 16 | 17 | 23 | 29 | 19 | 16 | 45 | 26 | 31 | 24 | 27 | 45 | 34 | 15 |
Alandur Bus Depot
index | 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 |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
no2 | 14 | 19 | 28 | 25 | 16 | 13 | 11 | 16 | 12 | 14 | 11 | 11 | 15 | 14 | 26 | 25 | 25 | 18 | 11 | 13 | 15 | 18 | 10 | 6.7 |
o3 | 38 | 42 | 36 | 27 | 29 | 35 | 21 | 22 | 28 | 44 | 32 | 23 | 35 | 38 | 33 | 39 | 46 | 24 | 22 | 20 | 36 | 50 | 34 | 29 |
co | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 26 | 26 | 20 | 26 | - | 30 | 23 | - |
pm25 | 55 | 76 | 68 | 49 | 51 | 39 | 43 | 49 | 44 | 57 | 56 | 56 | 56 | - | - | - | - | - | - | - | - | - | - | - |
so2 | 9.4 | 16 | 19 | 18 | 17 | 14 | 4.9 | 4.9 | 5.3 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
IIT
index | 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 |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
no2 | 20 | 19 | 19 | 24 | 23 | 27 | 9.8 | 16 | 16 | 14 | 11 | 11 | 18 | 16 | 27 | 33 | 20 | 21 | 14 | 18 | 15 | 16 | 14 | 12 |
co | 783 | 817 | 921 | 818 | 990 | 1 | 1 | 439 | 593 | 718 | 1 | 947 | 822 | 554 | 634 | 407 | 442 | 470 | 755 | 926 | 894 | 1 | 894 | 769 |
o3 | 28 | 40 | 41 | 22 | 23 | 22 | 19 | 22 | 24 | 38 | 29 | 23 | 34 | 38 | 37 | 47 | 37 | 21 | 22 | 14 | 21 | - | - | - |
pm25 | 39 | 51 | 45 | 40 | 46 | 32 | 25 | 28 | 26 | 31 | 45 | 29 | 30 | - | - | - | - | - | - | - | - | - | - | - |
so2 | 5.3 | 6.5 | 6.4 | 9.1 | 5.8 | 3.2 | 3.2 | 3 | 2.9 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
Manali Village, Chennai - TNPCB
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 |
---|---|---|---|---|---|---|---|---|---|---|---|---|
no2 | 7.2 | 6.8 | 7.2 | 6.3 | 6.8 | 8.5 | 8.5 | 8.4 | 10 | 11 | 11 | 7.5 |
so2 | 7 | 6.8 | 7.2 | 11 | 15 | 8.3 | 7.7 | 8.5 | 9.5 | 9.2 | 9.4 | 8.1 |
co | 776 | 526 | 300 | 489 | 549 | 306 | 238 | 691 | 704 | 650 | 723 | 528 |
pm25 | 11 | 11 | 17 | 25 | 40 | 40 | 37 | 25 | 20 | 17 | 23 | 27 |
pm10 | - | 43 | 29 | 68 | 59 | 57 | 73 | 47 | 44 | 29 | 32 | 40 |
o3 | 90 | 79 | 68 | 24 | 36 | 33 | 55 | 93 | 138 | 102 | 45 | 53 |
Manali, 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 | 2019-05 | 2019-04 | 2019-02 | 2018-11 | 2018-10 | 2018-09 | 2018-08 | 2018-05 | 2018-04 | 2018-03 |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
pm25 | 12 | 23 | 44 | 51 | 77 | 54 | 35 | 41 | 55 | 47 | 49 | 12 | 23 | 76 | 64 | 56 | 65 | 57 | 39 | 59 | 116 |
no2 | 5.4 | 14 | 14 | 23 | 31 | 28 | 29 | 23 | 13 | 33 | 22 | 30 | 21 | 11 | 15 | 13 | 16 | 21 | 51 | 17 | 21 |
so2 | 2.6 | 2.7 | 15 | 33 | 32 | 17 | 8.6 | 6.8 | 7 | 11 | 8.8 | 7.8 | 9.6 | 14 | 14 | 6 | 9.6 | 20 | 9.7 | 9.4 | 18 |
co | 917 | 789 | 1 | 1 | 1 | 1 | 578 | 726 | 833 | 1 | 1 | - | 1 | 1 | 1 | 968 | 948 | 982 | 1 | 14 | 37 |
Manali
index | 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 |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
no2 | 22 | 17 | 22 | 22 | 23 | 17 | 18 | 24 | 23 | 25 | 24 | 22 | 34 | 37 | 38 | 40 | 43 | 24 | 19 | 14 | 12 | 17 | 11 | 7.5 |
co | 666 | 551 | 517 | 674 | 678 | 517 | 542 | 537 | 610 | 552 | 558 | 415 | 581 | 399 | 540 | 1 | 1 | 987 | 1 | 1 | 2 | 1 | 750 | 967 |
pm25 | 80 | 102 | 54 | 39 | 51 | 34 | 28 | 100 | 86 | 88 | 84 | 66 | 64 | - | - | - | - | - | - | - | - | - | - | - |
so2 | 11 | 30 | 13 | 8.3 | 9.3 | 13 | 10 | 9.5 | 7.3 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
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 |
BWSSB Kadabesanahalli, Bengaluru - CPCB
index | 2020-05 | 2020-04 | 2020-03 | 2020-02 | 2020-01 | 2019-12 | 2019-11 | 2019-10 | 2019-09 | 2019-08 | 2019-07 | 2019-05 | 2019-04 | 2018-11 | 2018-10 | 2018-09 | 2018-08 | 2018-05 | 2018-04 | 2018-03 |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
pm25 | 10 | 39 | 69 | 76 | 53 | 42 | 33 | 40 | 95 | 25 | 33 | 51 | 114 | 33 | 32 | 21 | 19 | 34 | 39 | 58 |
no2 | 17 | 16 | 30 | 40 | 42 | 33 | 36 | 37 | 21 | 21 | 26 | 3 | - | 21 | 34 | 24 | 18 | 22 | 18 | 31 |
so2 | - | 7.5 | 7.1 | 7 | 6.6 | 7 | 6.5 | 6.6 | 5.5 | 4.5 | 4.7 | - | 5.5 | 5.4 | 6.5 | 4.7 | 4.2 | 2.7 | 3.6 | 3.9 |
co | 1 | 990 | 825 | 861 | 1 | 619 | 991 | 977 | 970 | 1 | 833 | 742 | 954 | 1 | 983 | 790 | 844 | 845 | 1 | 81 |
o3 | 17 | 29 | 27 | 14 | 12 | 24 | 26 | 1.7 | - | - | - | 42 | 53 | 18 | 20 | 18 | 11 | 17 | 30 | 16 |