India · Velachery Res. Area, Chennai - CPCB ·
Velachery Res. Area, Chennai - CPCB, India
Health warning of emergency conditions.
REPORTED · AIRLENSCOUNTRY · India13.005 °N · 80.240 °E
AQI · US EPA
500
Hazardous
BAND 301 — 500
Dominant pollutant
CO Carbon monoxide
02.1
Pollutants · waterfall
6 tracked| No. | Species | Concentration | Sub-index | Contribution to AQI |
|---|---|---|---|---|
| 01 | PM2.5 Fine particulate · μg/m³ | 32μg/m³ | 93 | MINOR |
| 02 | PM10 Coarse particulate · μg/m³ | 70μg/m³ | 58 | TRACE |
| 03 | O₃ Ozone · ppb | 3.6ppb | 3 | TRACE |
| 04 | NO₂ Nitrogen dioxide · ppb | 48ppb | 45 | TRACE |
| 05 | SO₂ Sulphur dioxide · ppb | 20ppb | 28 | TRACE |
| 06 | CO Carbon monoxide · ppm | 940ppm | 500 | DOMINANT |
02.2
Ambient conditions
meteorologicalTemperature27.5°C
Humidity92%
Pressure1005hPa
Wind2.96m/s
02.3
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Data · attribution
- OpenAQCC BY 4.0
- CPCB
- Open-MeteoCC BY 4.0