Chennai Air Quality Index & Realtime Air Pollution
Current Conditions
Humidity: 68%
Primary Air Pollutants Chennai (Tamil Nadu)
| Pollutant | Concentration | Details |
|---|---|---|
| PM2.5 | 22 µg/m³ | Fine particles |
| PM10 | 31 µg/m³ | Coarse particles |
| SO₂ | 6 µg/m³ | Sulphur dioxide |
| CO | 334 µg/m³ | Carbon monoxide |
| NO₂ | 4 µg/m³ | Nitrogen dioxide |
| O₃ | 144 µg/m³ | Ozone |
Hourly forecast Chennai (Tamil Nadu)
| Time | Temp | Condition |
|---|---|---|
| Now | 31°C |  Moderate drizzle |
| 17:00 | 32°C | Moderate drizzle |
| 18:00 | 31°C |  Overcast |
| 19:00 | 30°C |  Overcast |
| 20:00 | 29°C |  Light drizzle |
| 21:00 | 27°C |  Slight rain showers |
| 22:00 | 27°C |  Moderate drizzle |
| 23:00 | 27°C | Light drizzle |
| 00:00 | 27°C | Overcast |
| 01:00 | 27°C | Overcast |
| 02:00 | 27°C | Overcast |
| 03:00 | 27°C | Overcast |
| 04:00 | 27°C | Overcast |
| 05:00 | 27°C | Overcast |
| 06:00 | 27°C | Overcast |
| 07:00 | 28°C | Overcast |
| 08:00 | 30°C | Overcast |
| 09:00 | 32°C |  Partly cloudy |
| 10:00 | 33°C | Overcast |
| 11:00 | 34°C | Overcast |
| 12:00 | 35°C | Overcast |
| 13:00 | 36°C | Overcast |
| 14:00 | 37°C | Overcast |
| 15:00 | 36°C | Overcast |
Health Recommendations
Based on current air quality: Moderate · AQI 75
- Air PurifierTurn On
- Car FilterMust
- N95 MaskMust
- Stay IndoorMust
Air quality is generally fine, though a small number of unusually sensitive people may notice mild effects. If you fall into a sensitive group, keep an eye on how you feel and go easy on strenuous outdoor activity.
1.0 per day
Equates to breathing local air
7.0 cigarettes
30 cigarettes
Prevent Health Problems
Risk is Mild for Moderate conditions (AQI 75).
Typical signs can include: Tight, band-like pressure across the forehead and temples, Extra sensitivity to light, noise, or strong smells, Sluggishness and trouble staying focused.
- Choose indoors with clean indoor air whenever pollution levels climb.
- Stay hydrated through the day and take short breaks from devices or harsh light if migraines hit you easily.
- Keep close any prescribed headache or migraine relief within reach.
- Try not to power through demanding outdoor exercise while the AQI is worse.
- Don’t brush off pain that feels sharper or different from your usual.
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 75 (Moderate). 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 moderate for everyone. It's advised to adjust your outdoor activities based on personal sensitivity.
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