Inquinamento atmosferico in Tamil Nadu: indice di qualità dell'aria in tempo reale e allarme smog.

I dati più recenti Ultimi 7 giorni Tamil Nadu Inquinamento dicembre 2015 - maggio 2020 Qualità della vita
Dati correnti dalle stazioni: 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
Luoghi: Tiruchirappalli » Salem district » Nilgiris District » Madurai » Kanniyakumari » Coimbatore » Bellandur » Thiruvallur » Chennai district » Vellore » Kanchipuram » Tirunelveli » Krishnagiri » Erode » Tiruppur »
Previsioni di inquinamento e qualità dell'aria per Tamil Nadu. Oggi è venerdì 3 maggio 2024. Per Tamil Nadu sono stati registrati i seguenti valori di inquinamento atmosferico:
  1. biossido di azoto (NO2) - 22 (Buono)
  2. monossido di carbonio (CO) - 1278 (Buono)
  3. polvere di particolato (PM2.5) - -84 (Buono)
  4. ozono (O3) - 15 (Buono)
  5. biossido di zolfo (SO2) - 12 (Buono)
  6. polveri sospese di particolato (PM10) - 52 (Non integro per i gruppi sensibili)
Indice di qualità dell'aria in tempo reale (AQI) per Tamil Nadu, venerdì 14 ottobre 2022: 3.

air quality index: 2
AQI 3 Non integro per i gruppi sensibili

Qual è la qualità dell'aria Tamil Nadu oggi? L'aria è inquinata Tamil Nadu? C'è smog?

Oggi la qualità dell'aria (venerdì 14 ottobre 2022) è moderatamente inquinata nel Tamil Nadu. Le persone sane possono subire lievi irritazioni e le persone sensibili saranno leggermente colpite in misura maggiore dagli inquinamenti in Tamil Nadu.


Quanto è alto il livello di NO2? (biossido di azoto (NO2))
22 (Buono)

Quanto è alto il livello di CO? (monossido di carbonio (CO))
1278 (Buono)

Qual è il livello attuale di PM2.5 in Tamil Nadu? (polvere di particolato (PM2.5))
Il livello PM2.5 di oggi è: -84 (Buono) Per fare un confronto, il livello più alto di PM2,5 in Tamil Nadu negli ultimi 7 giorni è stato: 81 (mercoledì 12 ottobre 2022) e il più basso: -999 (martedì 26 settembre 2023). Sono stati registrati i valori PM2,5 più alti: 597 (dicembre 2018). Il più basso livello di inquinamento da particolato PM2.5 si verifica nel mese: maggio (11).

Come è il livello O3 oggi in Tamil Nadu? (ozono (O3))
15 (Buono)

Qual è il livello di inquinamento da SO2? (biossido di zolfo (SO2))
12 (Buono)

Qual è il livello di PM10 oggi in Tamil Nadu? (polveri sospese di particolato (PM10))
L'attuale livello di particolato PM10 in Tamil Nadu è: 52 (Non integro per i gruppi sensibili) I valori PM10 più alti si verificano in genere nel mese: 73 (novembre 2019). Il valore più basso dell'inquinamento da particolato PM10 in Tamil Nadu è di solito registrato in: agosto (29).



Dati correnti venerdì 14 ottobre 2022, 06:00

NO2 22 (Buono)

CO 1278 (Buono)

PM2,5 -84 (Buono)

O3 15 (Buono)

SO2 12 (Buono)

PM10 52 (Non integro per i gruppi sensibili)

Dati sull'inquinamento atmosferico degli ultimi giorni 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 »
Inquinamento atmosferico in Tamil Nadu da dicembre 2015 a maggio 2020
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 »

Qualità della vita in Tamil Nadu

Verde e parchi in città

Tamil Nadu 47%

Nepal: 32% Bangladesh: 33% Bhutan: 82% Sri Lanka: 59% Pakistan: 49%

particolato PM2.5

Tamil Nadu 37 (Unhealthy for Sensitive Groups)

Il piacere di trascorrere del tempo in città

Tamil Nadu 54%

Nepal: 32% Bangladesh: 26% Bhutan: 61% Sri Lanka: 52% Pakistan: 43%

particolato PM10

Tamil Nadu 66 (Unhealthy for Sensitive Groups)

Inquinamento dell'aria

Tamil Nadu 46%

Nepal: 76% Bangladesh: 78% Bhutan: 45% Sri Lanka: 53% Pakistan: 64%

Smaltimento dei rifiuti

Tamil Nadu 41%

Nepal: 25% Bangladesh: 22% Bhutan: 47% Sri Lanka: 41% Pakistan: 34%

Disponibilità e qualità dell'acqua potabile

Tamil Nadu 55%

Nepal: 36% Bangladesh: 44% Bhutan: 64% Sri Lanka: 65% Pakistan: 44%

Pulizia e ordine

Tamil Nadu 43%

Nepal: 27% Bangladesh: 23% Bhutan: 57% Sri Lanka: 52% Pakistan: 40%

Rumore e inquinamento luminoso

Tamil Nadu 51%

Nepal: 55% Bangladesh: 63% Bhutan: 55% Sri Lanka: 50% Pakistan: 59%

Inquinamento delle acque

Tamil Nadu 59%

Nepal: 76% Bangladesh: 74% Bhutan: 56% Sri Lanka: 57% Pakistan: 70%
Source: Numbeo


Alandur Bus Depot, Chennai - CPCB

lunedì 31 ottobre 2022, 01:45

NO2 39 (Buono)

biossido di azoto (NO2)

CO 4310 (Moderata)

monossido di carbonio (CO)

PM2,5 89 (Molto malsano)

polvere di particolato (PM2.5)

O3 26 (Buono)

ozono (O3)

SO2 9.5 (Buono)

biossido di zolfo (SO2)

PM10 137 (Molto malsano)

polveri sospese di particolato (PM10)

Manali Village, Chennai - TNPCB

lunedì 31 ottobre 2022, 02:00

PM2,5 120 (Molto male Pericoloso)

polvere di particolato (PM2.5)

PM10 27 (Moderata)

polveri sospese di particolato (PM10)

NO2 7.5 (Buono)

biossido di azoto (NO2)

SO2 9.3 (Buono)

biossido di zolfo (SO2)

CO 470 (Buono)

monossido di carbonio (CO)

O3 24 (Buono)

ozono (O3)

Manali, Chennai - CPCB

venerdì 14 ottobre 2022, 06:00

SO2 14 (Buono)

biossido di zolfo (SO2)

NO2 17 (Buono)

biossido di azoto (NO2)

CO 560 (Buono)

monossido di carbonio (CO)

O3 4.2 (Buono)

ozono (O3)

PM10 31 (Moderata)

polveri sospese di particolato (PM10)

PM2,5 10 (Buono)

polvere di particolato (PM2.5)

US Diplomatic Post: Chennai

martedì 3 ottobre 2023, 08:00

PM2,5 -999 (Buono)

polvere di particolato (PM2.5)

Velachery Res. Area, Chennai - CPCB

lunedì 31 ottobre 2022, 01:45

NO2 48 (Moderata)

biossido di azoto (NO2)

CO 940 (Buono)

monossido di carbonio (CO)

PM2,5 32 (Moderata)

polvere di particolato (PM2.5)

O3 3.6 (Buono)

ozono (O3)

SO2 20 (Buono)

biossido di zolfo (SO2)

PM10 70 (Non integro per i gruppi sensibili)

polveri sospese di particolato (PM10)

BWSSB Kadabesanahalli, Bengaluru - CPCB

martedì 2 agosto 2022, 05:15

PM10 21 (Moderata)

polveri sospese di particolato (PM10)

PM2,5 10 (Buono)

polvere di particolato (PM2.5)

SO2 2.1 (Buono)

biossido di zolfo (SO2)

CO 300 (Buono)

monossido di carbonio (CO)

O3 6.8 (Buono)

ozono (O3)

NO2 15 (Buono)

biossido di azoto (NO2)

US Diplomatic Post: Chennai

martedì 6 febbraio 2024, 07:00

PM2,5 52 (Non integro per i gruppi sensibili)

polvere di particolato (PM2.5)

SIDCO Kurichi, Coimbatore - TNPCB

venerdì 14 ottobre 2022, 06:00

SO2 19 (Buono)

biossido di zolfo (SO2)

PM10 24 (Moderata)

polveri sospese di particolato (PM10)

O3 23 (Buono)

ozono (O3)

PM2,5 16 (Moderata)

polvere di particolato (PM2.5)

CO 1090 (Buono)

monossido di carbonio (CO)

NO2 8.1 (Buono)

biossido di azoto (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