Hvad er luftkvaliteten i Chennai dag? Er luften forurenet i Chennai?. Er der smog?
Hvad er det nuværende niveau for PM2,5 i Chennai? (partikler (PM2,5) støv)
Dagens PM2.5 niveau er:
54 (Usundt for følsomme grupper)
Til sammenligning var det højeste niveau af PM2,5 i Chennai i de sidste 7 dage: 55 (mandag den 9. november 2026) og det laveste: 9 (torsdag den 5. november 2026).
De højeste PM2,5-værdier blev registreret: 597 (december 2018).
Det laveste niveau af partikler PM2,5 forurening forekommer i måned: maju (9.1).
Hvad er niveauet for PM10 i dag i Chennai? (partikler (PM10) ophængt støv)
Det nuværende niveau af partikler PM10 i Chennai is:
65 (Usundt for følsomme grupper)
Hvordan er O3-niveauet i dag i Chennai? (ozon (O3))
155 (Usunde)
Hvor højt er niveauet af NO2? (nitrogendioxid (NO2))
5 (God)
Hvad er niveauet for SO2 forurening? (svovldioxid (SO2))
14 (God)
Hvor højt er CO-niveauet? (kulilte (CO))
447 (God)
PM2,5 54 (Usundt for følsomme grupper)
PM10 65 (Usundt for følsomme grupper)
O3 155 (Usunde)
NO2 5 (God)
SO2 14 (God)
CO 447 (God)
| index | 2026-11-04 | 2026-11-05 | 2026-11-06 | 2026-11-07 | 2026-11-08 | 2026-11-09 | 2026-11-10 | 2026-09-07 | 2026-09-06 | 2026-09-05 | 2026-09-04 | 2026-09-03 | 2026-09-02 | 2026-09-01 | 2026-08-31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| pm25 | 18 Moderate |
9 Good |
11 Good |
12 Good |
33 Moderate |
55 Unhealthy |
50 Unhealthy for Sensitive Groups |
20 Moderate |
21 Moderate |
21 Moderate |
18 Moderate |
22 Moderate |
21 Moderate |
17 Moderate |
12 Good |
| pm10 | 22 Moderate |
11 Good |
15 Good |
15 Good |
41 Moderate |
68 Unhealthy for Sensitive Groups |
62 Unhealthy for Sensitive Groups |
26 Moderate |
26 Moderate |
26 Moderate |
23 Moderate |
29 Moderate |
27 Moderate |
23 Moderate |
17 Good |
| o3 | 67 Good |
43 Good |
54 Good |
75 Moderate |
107 Moderate |
127 Unhealthy for Sensitive Groups |
134 Unhealthy for Sensitive Groups |
109 Moderate |
107 Moderate |
99 Moderate |
93 Moderate |
102 Moderate |
111 Moderate |
105 Moderate |
75 Moderate |
| no2 | 12 Good |
8 Good |
5 Good |
5 Good |
3 Good |
3 Good |
4 Good |
8 Good |
8 Good |
9 Good |
10 Good |
12 Good |
8 Good |
9 Good |
9 Good |
| so2 | 9 Good |
5 Good |
4 Good |
4 Good |
7 Good |
9 Good |
9 Good |
11 Good |
11 Good |
12 Good |
10 Good |
11 Good |
10 Good |
9 Good |
7 Good |
| co | 483 Good |
371 Good |
293 Good |
361 Good |
303 Good |
335 Good |
314 Good |
268 Good |
245 Good |
271 Good |
295 Good |
265 Good |
248 Good |
262 Good |
207 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 | 2019-03 | 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 | 2018-11 | 2018-10 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| pm25 | 9.1 (Good) | 9.6 (Good) | 24 (Moderate) | 32 (Moderate) | 32 (Moderate) | 30 (Moderate) | 39 (Unhealthy for Sensitive Groups) | 20 (Moderate) | 19 (Moderate) | 17 (Moderate) | 36 (Unhealthy for Sensitive Groups) | 30 (Moderate) | 25 (Moderate) | 15 (Moderate) | 22 (Moderate) | 34 (Moderate) | 205 (Very bad Hazardous) | 597 (Very bad Hazardous) | 35 (Moderate) | 60 (Unhealthy) | 45 (Unhealthy for Sensitive Groups) | 105 (Very Unhealthy) | 66 (Unhealthy) | 40 (Unhealthy for Sensitive Groups) | 201 (Very bad Hazardous) | 329 (Very bad Hazardous) | 84 (Very Unhealthy) | 54 (Unhealthy for Sensitive Groups) | 52 (Unhealthy for Sensitive Groups) | 65 (Unhealthy) | 18 (Moderate) | 23 (Moderate) | 27 (Moderate) | 24 (Moderate) | 40 (Unhealthy for Sensitive Groups) | 31 (Moderate) | 29 (Moderate) | 32 (Moderate) | 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) | 36 (Unhealthy for Sensitive Groups) | 49 (Unhealthy for Sensitive Groups) | 63 (Unhealthy) | 41 (Unhealthy for Sensitive Groups) | 34 (Moderate) |
| no2 | 1.7 (Good) | 1.6 (Good) | 3.8 (Good) | 5.7 (Good) | 4.9 (Good) | 8.8 (Good) | 16 (Good) | 18 (Good) | 17 (Good) | 17 (Good) | 23 (Good) | 27 (Good) | 8.3 (Good) | 7.6 (Good) | - (Good) | 11 (Good) | - (Good) | - (Good) | 15 (Good) | 15 (Good) | - (Good) | - (Good) | 46 (Moderate) | 33 (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) | 9.8 (Good) | 13 (Good) |
| so2 | 4 (Good) | 7.4 (Good) | 6.4 (Good) | 6 (Good) | 5.3 (Good) | 4.9 (Good) | 4.5 (Good) | 4.7 (Good) | 3.6 (Good) | 3.8 (Good) | 3.7 (Good) | 4.1 (Good) | 4.7 (Good) | 4.6 (Good) | - (Good) | 4.5 (Good) | - (Good) | - (Good) | 4.2 (Good) | 4.3 (Good) | - (Good) | - (Good) | 9.1 (Good) | 4.1 (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) | 4.2 (Good) | 6.2 (Good) |
| co | 744 (Good) | 747 (Good) | 665 (Good) | 875 (Good) | 845 (Good) | 454 (Good) | 525 (Good) | 793 (Good) | 724 (Good) | 724 (Good) | 767 (Good) | 1 (Good) | 826 (Good) | 843 (Good) | - (Good) | 1 (Good) | - (Good) | - (Good) | 659 (Good) | 648 (Good) | - (Good) | - (Good) | 925 (Good) | 779 (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) | 966 (Good) | 779 (Good) |
| o3 | 12 (Good) | 11 (Good) | 5.6 (Good) | 20 (Good) | 12 (Good) | 23 (Good) | 17 (Good) | 15 (Good) | 15 (Good) | 20 (Good) | 34 (Good) | 41 (Good) | 18 (Good) | 16 (Good) | - (Good) | 75 (Moderate) | - (Good) | - (Good) | 31 (Good) | 9.2 (Good) | - (Good) | - (Good) | 34 (Good) | 26 (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) | 21 (Good) | 32 (Good) |
PM2,5 54 (Usundt for følsomme grupper)
partikler (PM2,5) støvPM10 65 (Usundt for følsomme grupper)
partikler (PM10) ophængt støvO3 155 (Usunde)
ozon (O3)NO2 4.9 (God)
nitrogendioxid (NO2)SO2 14 (God)
svovldioxid (SO2)CO 447 (God)
kulilte (CO)Chennai
| index | 2026-08-31 | 2026-09-01 | 2026-09-02 | 2026-09-03 | 2026-09-04 | 2026-09-05 | 2026-09-06 | 2026-09-07 | 2026-11-10 | 2026-11-09 | 2026-11-08 | 2026-11-07 | 2026-11-06 | 2026-11-05 | 2026-11-04 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| pm25 | 12 | 17 | 21 | 22 | 18 | 21 | 21 | 20 | 50 | 55 | 33 | 12 | 11 | 8.7 | 18 |
| pm10 | 17 | 23 | 27 | 29 | 23 | 26 | 26 | 26 | 62 | 68 | 41 | 15 | 15 | 11 | 22 |
| o3 | 75 | 105 | 111 | 102 | 93 | 99 | 107 | 109 | 134 | 127 | 107 | 75 | 54 | 43 | 67 |
| no2 | 8.8 | 8.8 | 7.8 | 12 | 9.6 | 9.3 | 7.5 | 8.1 | 3.6 | 3.1 | 3.4 | 5.4 | 5.2 | 8.5 | 12 |
| so2 | 7.1 | 8.6 | 10 | 11 | 9.9 | 12 | 11 | 11 | 9.2 | 8.6 | 6.6 | 3.8 | 3.9 | 5.3 | 9 |
| co | 207 | 262 | 248 | 265 | 295 | 271 | 245 | 268 | 314 | 335 | 303 | 361 | 293 | 371 | 483 |
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 |
16-dages vejrudsigt for Chennai: i dag omkring 30°C (regn), laveste nær 24°C. Temperatur og vejr opdateres dagligt. Kraftig vind (ca. 23 km/h) blæser effektivt smog og støv væk.
UV-indekset i Chennai er i dag 7.4 (høj) — ubeskyttet lys hud kan blive forbrændt på ca. 25 minutter.
Live PM2.5 omkring Chennai — sammenlign steder i nærheden.