Care este calitatea aerului în Tamil Nadu astăzi? Aerul este poluat în Tamil Nadu? Există smog?
Cât de mare este nivelul de NO2? (dioxid de azot (NO2))
22 (bun)
Cât de mare este nivelul de CO? (monoxid de carbon (CO))
1278 (bun)
Care este nivelul actual de PM2,5 în Tamil Nadu? (praf de particule (PM2.5))
Nivelul PM2.5 de astăzi este:
-84 (bun)
Spre comparație, cel mai ridicat nivel de PM2,5 în Tamil Nadu în ultimele 7 zile a fost: 81 (miercuri, 12 octombrie 2022) și cel mai scăzut: -999 (marți, 26 septembrie 2023).
Cele mai mari valori PM2,5 au fost înregistrate: 597 (decembrie 2018).
Cel mai scăzut nivel de poluare cu particule PM2,5 are loc în luna: mai (11).
este nivelul de O3 astăzi în Tamil Nadu? (ozon (O3))
15 (bun)
Care este nivelul de poluare cu SO2? (dioxid de sulf (SO2))
12 (bun)
Care este nivelul de PM10 astăzi în Tamil Nadu? (particule (PM10) praf suspendat)
Nivelul actual de particule PM10 în Tamil Nadu este:
52 (Nesănătoase pentru grupuri sensibile)
Cele mai mari valori PM10 apar de obicei în lună: 73 (noiembrie 2019).
Cea mai mică valoare a poluării cu PARTICULE PM10 în Tamil Nadu este înregistrată de obicei în: august (29).
NO2 22 (bun)
CO 1278 (bun)
PM2,5 -84 (bun)
O3 15 (bun)
SO2 12 (bun)
PM10 52 (Nesănătoase pentru grupuri sensibile)
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 and Parks in the City
Tamil Nadu 47 %
Nepal: 32 % Bangladesh: 33 % Bhutan: 82 % Sri Lanka: 59 % Pakistan: 49 %particule în suspensie PM2.5
Tamil Nadu 37 (Unhealthy for Sensitive Groups)
Plăcerea de a petrece timp în oraș
Tamil Nadu 54 %
Nepal: 32 % Bangladesh: 26 % Bhutan: 61 % Sri Lanka: 52 % Pakistan: 43 %particule în suspensie PM10
Tamil Nadu 66 (Unhealthy for Sensitive Groups)
Poluarea aerului
Tamil Nadu 46 %
Nepal: 76 % Bangladesh: 78 % Bhutan: 45 % Sri Lanka: 53 % Pakistan: 64 %Eliminarea gunoiului
Tamil Nadu 41 %
Nepal: 25 % Bangladesh: 22 % Bhutan: 47 % Sri Lanka: 41 % Pakistan: 34 %Disponibilitatea și calitatea apei potabile
Tamil Nadu 55 %
Nepal: 36 % Bangladesh: 44 % Bhutan: 64 % Sri Lanka: 65 % Pakistan: 44 %Curatenia si spatiosa
Tamil Nadu 43 %
Nepal: 27 % Bangladesh: 23 % Bhutan: 57 % Sri Lanka: 52 % Pakistan: 40 %Poluarea fonică și luminoasă
Tamil Nadu 51 %
Nepal: 55 % Bangladesh: 63 % Bhutan: 55 % Sri Lanka: 50 % Pakistan: 59 %Poluarea apei
Tamil Nadu 59 %
Nepal: 76 % Bangladesh: 74 % Bhutan: 56 % Sri Lanka: 57 % Pakistan: 70 %NO2 39 (bun)
dioxid de azot (NO2)CO 4310 (Moderată)
monoxid de carbon (CO)PM2,5 89 (Foarte nesănătoase)
praf de particule (PM2.5)O3 26 (bun)
ozon (O3)SO2 9.5 (bun)
dioxid de sulf (SO2)PM10 137 (Foarte nesănătoase)
particule (PM10) praf suspendatPM2,5 120 (Foarte rău periculoase)
praf de particule (PM2.5)PM10 27 (Moderată)
particule (PM10) praf suspendatNO2 7.5 (bun)
dioxid de azot (NO2)SO2 9.3 (bun)
dioxid de sulf (SO2)CO 470 (bun)
monoxid de carbon (CO)O3 24 (bun)
ozon (O3)SO2 14 (bun)
dioxid de sulf (SO2)NO2 17 (bun)
dioxid de azot (NO2)CO 560 (bun)
monoxid de carbon (CO)O3 4.2 (bun)
ozon (O3)PM10 31 (Moderată)
particule (PM10) praf suspendatPM2,5 10 (bun)
praf de particule (PM2.5)PM2,5 -999 (bun)
praf de particule (PM2.5)NO2 48 (Moderată)
dioxid de azot (NO2)CO 940 (bun)
monoxid de carbon (CO)PM2,5 32 (Moderată)
praf de particule (PM2.5)O3 3.6 (bun)
ozon (O3)SO2 20 (bun)
dioxid de sulf (SO2)PM10 70 (Nesănătoase pentru grupuri sensibile)
particule (PM10) praf suspendatPM10 21 (Moderată)
particule (PM10) praf suspendatPM2,5 10 (bun)
praf de particule (PM2.5)SO2 2.1 (bun)
dioxid de sulf (SO2)CO 300 (bun)
monoxid de carbon (CO)O3 6.8 (bun)
ozon (O3)NO2 15 (bun)
dioxid de azot (NO2)PM2,5 52 (Nesănătoase pentru grupuri sensibile)
praf de particule (PM2.5)SO2 19 (bun)
dioxid de sulf (SO2)PM10 24 (Moderată)
particule (PM10) praf suspendatO3 23 (bun)
ozon (O3)PM2,5 16 (Moderată)
praf de particule (PM2.5)CO 1090 (bun)
monoxid de carbon (CO)NO2 8.1 (bun)
dioxid de azot (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 |