Gaisa piesārņojums Tamil Nadu: Reālā laika gaisa kvalitātes indekss un smogs brīdinājumu.

Jaunākie dati Pēdējās 7 dienas Tamil Nadu Piesārņojumu 2015. g. decembris - 2020. g. maijs Dzīves kvalitāte
Pašreizējie dati no stacijām: Alandur Bus Depot, Chennai - CPCB Manali Village, Chennai - TNPCB Manali, Chennai - CPCB US Diplomatic Post: Chennai Velachery Res. Area, Chennai - CPCB BWSSB Kadabesanahalli, Bengaluru - CPCB US Diplomatic Post: Chennai SIDCO Kurichi, Coimbatore - TNPCB
Atrašanās Vietas: Tiruchirappalli » Salem district » Nilgiris District » Madurai » Kanniyakumari » Coimbatore » Bellandur » Thiruvallur » Chennai district » Vellore » Kanchipuram » Tirunelveli » Krishnagiri » Erode » Tiruppur »
Piesārņojuma un gaisa kvalitātes prognoze Tamil Nadu. Šodien ir sestdiena, 2024. gada 4. maijs. Attiecībā uz šīm vērtībām ir noteiktas šādas gaisa Tamil Nadu:
  1. slāpekļa dioksīds (NO2) - 22 (labs)
  2. oglekļa monoksīds (CO) - 1278 (labs)
  3. daļiņu (PM2.5) putekļi - -84 (labs)
  4. ozons (O3) - 15 (labs)
  5. sēra dioksīds (SO2) - 12 (labs)
  6. suspendēto putekļu daļiņu (PM10) - 52 (Neveselīgs jutīgām grupām)
Reālā laika gaisa kvalitātes indekss (AQI) Tamil Nadu, piektdiena, 2022. gada 14. oktobris 3:

air quality index: 2
AQI 3 Neveselīgs jutīgām grupām

Kāda ir gaisa kvalitāte Tamil Nadu šodien? Vai gaiss ir piesārņots Tamil Nadu?. Vai ir smogs?

Šodien (piektdiena, 2022. gada 14. oktobris) gaisa kvalitāte ir mēreni piesārņota Tamil Nadu. Veseliem cilvēkiem var rasties neliels kairinājums, un jutīgas personas lielā mērā ietekmēs piesārņojums Tamil Nadu.


Cik augsts ir līmenis NO2? (slāpekļa dioksīds (NO2))
22 (labs)

Cik augsts ir CO līmenis? (oglekļa monoksīds (CO))
1278 (labs)

Kāds ir pašreizējais līmenis PM2.5 Tamil Nadu? (daļiņu (PM2.5) putekļi)
Šodienas PM2.5 līmenis ir: -84 (labs) Salīdzinājumam, augstākais PM2,5 līmenis Tamil Nadu pēdējās 7 dienās bija: 81 (trešdiena, 2022. gada 12. oktobris) un zemākais: -999 (otrdiena, 2023. gada 26. septembris). Tika reģistrētas augstākās PM2,5 vērtības: 597 (2018. g. decembris). Zemākais daļiņu PM2.5 piesārņojums mēnesī rodas: maijs (11).

Kā O3 līmenis šodien Tamil Nadu? (ozons (O3))
15 (labs)

Kāds ir SO2 piesārņojuma līmenis? (sēra dioksīds (SO2))
12 (labs)

Kāds ir līmenis PM10 šodien Tamil Nadu? (suspendēto putekļu daļiņu (PM10))
Pašreizējais daļiņu PM10 līmenis Tamil Nadu: 52 (Neveselīgs jutīgām grupām) Augstākās PM10 vērtības parasti tiek ievadītas mēnesī: 73 (2019. g. novembris). Mazākā makrodaļiņu PM10 piesārņojuma vērtība Tamil Nadu parasti reģistrē: augusts (29).



Pašreizējie dati piektdiena, 2022. gada 14. oktobris 06:00

NO2 22 (labs)

CO 1278 (labs)

PM2,5 -84 (labs)

O3 15 (labs)

SO2 12 (labs)

PM10 52 (Neveselīgs jutīgām grupām)

Dati par gaisa piesārņojumu no pēdējām dienām Tamil Nadu

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
data source »
Gaisa piesārņojums Tamil Nadu no 2015. g. decembris to 2020. g. maijs
pollution pm25 hikersbay.com
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)
data source »

Dzīves kvalitāte Tamil Nadu

Zaļa un parku pilsētas

Tamil Nadu 47%

Nepāla: 32% Bangladeša: 33% Butāna: 82% Šrilanka: 59% Pakistāna: 49%

cietās daļiņas PM 2.5

Tamil Nadu 37 (Unhealthy for Sensitive Groups)

Prieks pavadīt laiku pilsētā

Tamil Nadu 54%

Nepāla: 32% Bangladeša: 26% Butāna: 61% Šrilanka: 52% Pakistāna: 43%

PM10 makrodaļiņu daļiņas

Tamil Nadu 66 (Unhealthy for Sensitive Groups)

Gaisa piesārņojums

Tamil Nadu 46%

Nepāla: 76% Bangladeša: 78% Butāna: 45% Šrilanka: 53% Pakistāna: 64%

Atkritumu likvidēšana

Tamil Nadu 41%

Nepāla: 25% Bangladeša: 22% Butāna: 47% Šrilanka: 41% Pakistāna: 34%

Dzeramā ūdens pieejamība un kvalitāte

Tamil Nadu 55%

Nepāla: 36% Bangladeša: 44% Butāna: 64% Šrilanka: 65% Pakistāna: 44%

Tīrība un sakopta

Tamil Nadu 43%

Nepāla: 27% Bangladeša: 23% Butāna: 57% Šrilanka: 52% Pakistāna: 40%

Trokšņa un gaismas piesārņojums

Tamil Nadu 51%

Nepāla: 55% Bangladeša: 63% Butāna: 55% Šrilanka: 50% Pakistāna: 59%

Ūdens piesārņojums

Tamil Nadu 59%

Nepāla: 76% Bangladeša: 74% Butāna: 56% Šrilanka: 57% Pakistāna: 70%
Source: Numbeo


Alandur Bus Depot, Chennai - CPCB

pirmdiena, 2022. gada 31. oktobris 01:45

NO2 39 (labs)

slāpekļa dioksīds (NO2)

CO 4310 (Vidēji)

oglekļa monoksīds (CO)

PM2,5 89 (Ļoti neveselīgs)

daļiņu (PM2.5) putekļi

O3 26 (labs)

ozons (O3)

SO2 9.5 (labs)

sēra dioksīds (SO2)

PM10 137 (Ļoti neveselīgs)

suspendēto putekļu daļiņu (PM10)

Manali Village, Chennai - TNPCB

pirmdiena, 2022. gada 31. oktobris 02:00

PM2,5 120 (Ļoti slikti Bīstami)

daļiņu (PM2.5) putekļi

PM10 27 (Vidēji)

suspendēto putekļu daļiņu (PM10)

NO2 7.5 (labs)

slāpekļa dioksīds (NO2)

SO2 9.3 (labs)

sēra dioksīds (SO2)

CO 470 (labs)

oglekļa monoksīds (CO)

O3 24 (labs)

ozons (O3)

Manali, Chennai - CPCB

piektdiena, 2022. gada 14. oktobris 06:00

SO2 14 (labs)

sēra dioksīds (SO2)

NO2 17 (labs)

slāpekļa dioksīds (NO2)

CO 560 (labs)

oglekļa monoksīds (CO)

O3 4.2 (labs)

ozons (O3)

PM10 31 (Vidēji)

suspendēto putekļu daļiņu (PM10)

PM2,5 10 (labs)

daļiņu (PM2.5) putekļi

US Diplomatic Post: Chennai

otrdiena, 2023. gada 3. oktobris 08:00

PM2,5 -999 (labs)

daļiņu (PM2.5) putekļi

Velachery Res. Area, Chennai - CPCB

pirmdiena, 2022. gada 31. oktobris 01:45

NO2 48 (Vidēji)

slāpekļa dioksīds (NO2)

CO 940 (labs)

oglekļa monoksīds (CO)

PM2,5 32 (Vidēji)

daļiņu (PM2.5) putekļi

O3 3.6 (labs)

ozons (O3)

SO2 20 (labs)

sēra dioksīds (SO2)

PM10 70 (Neveselīgs jutīgām grupām)

suspendēto putekļu daļiņu (PM10)

BWSSB Kadabesanahalli, Bengaluru - CPCB

otrdiena, 2022. gada 2. augusts 05:15

PM10 21 (Vidēji)

suspendēto putekļu daļiņu (PM10)

PM2,5 10 (labs)

daļiņu (PM2.5) putekļi

SO2 2.1 (labs)

sēra dioksīds (SO2)

CO 300 (labs)

oglekļa monoksīds (CO)

O3 6.8 (labs)

ozons (O3)

NO2 15 (labs)

slāpekļa dioksīds (NO2)

US Diplomatic Post: Chennai

otrdiena, 2024. gada 6. februāris 07:00

PM2,5 52 (Neveselīgs jutīgām grupām)

daļiņu (PM2.5) putekļi

SIDCO Kurichi, Coimbatore - TNPCB

piektdiena, 2022. gada 14. oktobris 06:00

SO2 19 (labs)

sēra dioksīds (SO2)

PM10 24 (Vidēji)

suspendēto putekļu daļiņu (PM10)

O3 23 (labs)

ozons (O3)

PM2,5 16 (Vidēji)

daļiņu (PM2.5) putekļi

CO 1090 (labs)

oglekļa monoksīds (CO)

NO2 8.1 (labs)

slāpekļa dioksīds (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

2018-03   2020-05
pollution pm25 hikersbay.com
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

2016-03   2018-02
pollution pm25 hikersbay.com
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

2016-03   2018-02
pollution pm25 hikersbay.com
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

2019-06   2020-05
pollution pm25 hikersbay.com
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

2018-03   2020-05
pollution pm25 hikersbay.com
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

2016-03   2018-02
pollution pm25 hikersbay.com
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

2015-12   2020-05
pollution pm25 hikersbay.com
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

2018-04   2020-05
pollution pm25 hikersbay.com
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

2018-03   2020-05
pollution pm25 hikersbay.com
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

* Pollution data source: https://openaq.org (caaqm, CPCB, StateAir_Chennai) The data is licensed under CC-By 4.0