Chennai Air Quality Index & Realtime Air Pollution
Current Conditions
Humidity: 81%
Primary Air Pollutants Chennai (Tamil Nadu)
| Pollutant | Concentration | Details |
|---|---|---|
| PM2.5 | 30 µg/m³ | Fine particles |
| PM10 | 41 µg/m³ | Coarse particles |
| SO₂ | 8 µg/m³ | Sulphur dioxide |
| CO | 337 µg/m³ | Carbon monoxide |
| NO₂ | 9 µg/m³ | Nitrogen dioxide |
| O₃ | 136 µg/m³ | Ozone |
Hourly forecast Chennai (Tamil Nadu)
| Time | Temp | Condition |
|---|---|---|
| Now | 30°C |  Overcast |
| 00:00 | 30°C | Overcast |
| 01:00 | 30°C | Overcast |
| 02:00 | 30°C | Overcast |
| 03:00 | 29°C |  Mostly clear |
| 04:00 | 29°C |  Partly cloudy |
| 05:00 | 29°C | Overcast |
| 06:00 | 29°C |  Overcast |
| 07:00 | 30°C | Overcast |
| 08:00 | 32°C |  Partly cloudy |
| 09:00 | 34°C | Partly cloudy |
| 10:00 | 36°C | Partly cloudy |
| 11:00 | 38°C |  Mostly clear |
| 12:00 | 38°C | Partly cloudy |
| 13:00 | 39°C | Mostly clear |
| 14:00 | 36°C |  Thunderstorm with slight hail |
| 15:00 | 35°C |  Thunderstorm |
| 16:00 | 34°C |  Light drizzle |
| 17:00 | 34°C | Partly cloudy |
| 18:00 | 33°C | Overcast |
| 19:00 | 32°C | Overcast |
| 20:00 | 31°C | Overcast |
| 21:00 | 31°C | Overcast |
| 22:00 | 31°C | Overcast |
Health Recommendations
Based on current air quality: Poor · AQI 149
- Air PurifierTurn On
- Car FilterMust
- N95 MaskMust
- Stay IndoorMust
Members of sensitive groups (children, elderly, and people with heart/lung disease) may experience health effects. The general public is unlikely to be affected immediately, but should monitor physical comfort.
1.3 per day
Equates to breathing local air
9.1 cigarettes
39 cigarettes
Prevent Health Problems
Risk is Elevated for Poor conditions (AQI 149).
Typical signs can include: Pressure or tightness around the forehead and temples, Sensitivity to light or smell, Fatigue or difficulty concentrating.
- Choose indoor, clean indoor air when the AQI is elevated.
- Stay hydrated and take short breaks from devices or harsh light if you are migraine-prone.
- If you Make use of prescribed migraine meds, Keep close them accessible.
- Try not to do intense outdoor exercise during worse AQI periods.
- Don’t ignore worsening symptoms that feel unusual for you.
Historical AQI Data Chennai (Tamil Nadu)
Chennai's Nearby Cities
Air Quality FAQs at Chennai, Tamil Nadu
Frequently Asked Questions
About Air Quality
The current real-time AQI (US) level in Chennai, Tamil Nadu is 149 (Poor). This was last updated recently.
The best AQI (US) level was generally lower during the early afternoon in the last 24 hours.
The worst AQI (US) level typically peaks during early morning or late evening hours due to temperature inversion.
The AQI (US) levels in Chennai, Tamil Nadu have been fluctuating throughout the last 24 hours depending on traffic and weather conditions.
Current AQI (US) levels are poor for everyone. It's advised to adjust your outdoor activities based on personal sensitivity.
Recent AQI Blogs
Read all blogsHere are some latest blogs that you can go through to find out more about air pollution, heatwaves, and local atmospheric insights.
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What 17 Years of Delhi Temperature Data Reveal About May's Heatwave Escalation
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