ما هي نوعية الهواء في Tamil Nadu اليوم؟ هل الهواء ملوث في Tamil Nadu ؟. هل هناك ضباب دخاني؟
ما مدى ارتفاع مستوى NO2؟ (ثاني أكسيد النيتروجين (NO2))
22 (جيده)
ما مدى ارتفاع مستوى CO؟ (أول أكسيد الكربون (CO))
1278 (جيده)
ما هو المستوى الحالي لـ PM2.5 في Tamil Nadu ؟ (الجسيمات (PM2.5) الغبار)
اليوم PM2.5 المستوى هو:
-84 (جيده)
للمقارنة، كان أعلى مستوى PM2.5 في Tamil Nadu في آخر 7 أيام: 81 (الأربعاء، ١٢ أكتوبر ٢٠٢٢) وأدنى: -999 (الثلاثاء، ٢٦ سبتمبر ٢٠٢٣).
تم تسجيل أعلى قيم PM2.5: 597 (ديسمبر ٢٠١٨).
أدنى مستوى من الجسيمات PM2.5 التلوث يحدث في الشهر: مايو (11).
كيف هو مستوى O3 اليوم في Tamil Nadu ؟ (الأوزون (O3))
15 (جيده)
ما هو مستوى التلوث SO2? (ثاني أكسيد الكبريت (SO2))
12 (جيده)
ما هو مستوى PM10 اليوم في Tamil Nadu ؟ (المواد الجسيمية (PM10) علقت الغبار)
المستوى الحالي للجسيمات PM10 في Tamil Nadu هو:
52 (غير صحي للمجموعات الحساسة)
عادةً ما تحدث قيم PM10 الأعلى في الشهر: 73 (نوفمبر ٢٠١٩).
أقل قيمة للجسيمات الجسيمات التلوث PM10 في Tamil Nadu يتم عادة تسجيلها في: أغسطس (29).
NO2 22 (جيده)
CO 1278 (جيده)
PM2,5 -84 (جيده)
O3 15 (جيده)
SO2 12 (جيده)
PM10 52 (غير صحي للمجموعات الحساسة)
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) |
الأخضر والحدائق في المدينة
Tamil Nadu ٤٧٪
نيبال: ٣٢٪ بنغلاديش: ٣٣٪ بوتان: ٨٢٪ سريلانكا: ٥٩٪ باكستان: ٤٩٪الجسيمات PM2.5
Tamil Nadu 37 (Unhealthy for Sensitive Groups)
متعة قضاء الوقت في المدينة
Tamil Nadu ٥٤٪
نيبال: ٣٢٪ بنغلاديش: ٢٦٪ بوتان: ٦١٪ سريلانكا: ٥٢٪ باكستان: ٤٣٪الجسيمات PM10
Tamil Nadu 66 (Unhealthy for Sensitive Groups)
تلوث الهواء
Tamil Nadu ٤٦٪
نيبال: ٧٦٪ بنغلاديش: ٧٨٪ بوتان: ٤٥٪ سريلانكا: ٥٣٪ باكستان: ٦٤٪التخلص من القمامة
Tamil Nadu ٤١٪
نيبال: ٢٥٪ بنغلاديش: ٢٢٪ بوتان: ٤٧٪ سريلانكا: ٤١٪ باكستان: ٣٤٪توافر مياه الشرب وجودتها
Tamil Nadu ٥٥٪
نيبال: ٣٦٪ بنغلاديش: ٤٤٪ بوتان: ٦٤٪ سريلانكا: ٦٥٪ باكستان: ٤٤٪النظافة والترتيب
Tamil Nadu ٤٣٪
نيبال: ٢٧٪ بنغلاديش: ٢٣٪ بوتان: ٥٧٪ سريلانكا: ٥٢٪ باكستان: ٤٠٪الضوضاء والتلوث الضوئي
Tamil Nadu ٥١٪
نيبال: ٥٥٪ بنغلاديش: ٦٣٪ بوتان: ٥٥٪ سريلانكا: ٥٠٪ باكستان: ٥٩٪تلوث المياه
Tamil Nadu ٥٩٪
نيبال: ٧٦٪ بنغلاديش: ٧٤٪ بوتان: ٥٦٪ سريلانكا: ٥٧٪ باكستان: ٧٠٪NO2 39 (جيده)
ثاني أكسيد النيتروجين (NO2)CO 4310 (معتدله)
أول أكسيد الكربون (CO)PM2,5 89 (غير صحية جدا)
الجسيمات (PM2.5) الغبارO3 26 (جيده)
الأوزون (O3)SO2 9.5 (جيده)
ثاني أكسيد الكبريت (SO2)PM10 137 (غير صحية جدا)
المواد الجسيمية (PM10) علقت الغبارPM2,5 120 (سيئة جدا الخطرة)
الجسيمات (PM2.5) الغبارPM10 27 (معتدله)
المواد الجسيمية (PM10) علقت الغبارNO2 7.5 (جيده)
ثاني أكسيد النيتروجين (NO2)SO2 9.3 (جيده)
ثاني أكسيد الكبريت (SO2)CO 470 (جيده)
أول أكسيد الكربون (CO)O3 24 (جيده)
الأوزون (O3)SO2 14 (جيده)
ثاني أكسيد الكبريت (SO2)NO2 17 (جيده)
ثاني أكسيد النيتروجين (NO2)CO 560 (جيده)
أول أكسيد الكربون (CO)O3 4.2 (جيده)
الأوزون (O3)PM10 31 (معتدله)
المواد الجسيمية (PM10) علقت الغبارPM2,5 10 (جيده)
الجسيمات (PM2.5) الغبارPM2,5 -999 (جيده)
الجسيمات (PM2.5) الغبارNO2 48 (معتدله)
ثاني أكسيد النيتروجين (NO2)CO 940 (جيده)
أول أكسيد الكربون (CO)PM2,5 32 (معتدله)
الجسيمات (PM2.5) الغبارO3 3.6 (جيده)
الأوزون (O3)SO2 20 (جيده)
ثاني أكسيد الكبريت (SO2)PM10 70 (غير صحي للمجموعات الحساسة)
المواد الجسيمية (PM10) علقت الغبارPM10 21 (معتدله)
المواد الجسيمية (PM10) علقت الغبارPM2,5 10 (جيده)
الجسيمات (PM2.5) الغبارSO2 2.1 (جيده)
ثاني أكسيد الكبريت (SO2)CO 300 (جيده)
أول أكسيد الكربون (CO)O3 6.8 (جيده)
الأوزون (O3)NO2 15 (جيده)
ثاني أكسيد النيتروجين (NO2)PM2,5 52 (غير صحي للمجموعات الحساسة)
الجسيمات (PM2.5) الغبارSO2 19 (جيده)
ثاني أكسيد الكبريت (SO2)PM10 24 (معتدله)
المواد الجسيمية (PM10) علقت الغبارO3 23 (جيده)
الأوزون (O3)PM2,5 16 (معتدله)
الجسيمات (PM2.5) الغبارCO 1090 (جيده)
أول أكسيد الكربون (CO)NO2 8.1 (جيده)
ثاني أكسيد النيتروجين (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 |