Chennai Air Quality Index (AQI) | Air Pollution
Real-time PM2.5, PM10 air pollution level in Chennai
Last Updated: 2026-07-18 20:11:01 (Local Time)

30 °C
MistCurrently, Chennai ranks 133rd among the most polluted cities globally.
Chennai
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Chennai, Tamil Nadu, India
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1.5Cigarettes per day
Breathing the air in this location is as harmful as smoking 1.5 cigarettes a day.
Source:
Berkeley Earth
Solutions for Current AQI (US)
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Chennai
Most Polluted Cities 2026
India
Analyze the real-time most air polluted cities in the country.
Standard Value
1.
Sonipat, Haryana
Severe
9xabove Standard
2.
Muzaffarnagar, Uttar Pradesh
Unhealthy
7xabove Standard
3.
Bhiwani, Haryana
Unhealthy
6xabove Standard
4.
Budaun, Uttar Pradesh
Unhealthy
6xabove Standard
5.
Anantapur, Andhra Pradesh
Unhealthy
6xabove Standard
6.
Pali, Rajasthan
Unhealthy
5xabove Standard
7.
Sirsa, Haryana
Unhealthy
5xabove Standard
8.
Bhagalpur, Bihar
Unhealthy
4xabove Standard
9.
Hapur, Uttar Pradesh
Unhealthy
4xabove Standard
10.
Firozabad, Uttar Pradesh
Unhealthy
4xabove Standard
Last Updated: 18 Jul 2026, 02:50 PM
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Frequently Asked Questions About Air Quality
1. What is the current AQI (US) level in Chennai?
1. What is the current AQI (US) level in Chennai?
The current real-time AQI (US) level in Chennai is 106 (Poor). This was last updated 2026-07-18 20:11:01 (Local Time).
2. When was the best AQI (US) level in Chennai in the last 24 hours?
2. When was the best AQI (US) level in Chennai in the last 24 hours?
The best AQI (US) level was 76 (Moderate) at 1:01 PM (Local Time) during the last 24 hours.
3. When was the worst AQI (US) level in Chennai in the last 24 hours?
3. When was the worst AQI (US) level in Chennai in the last 24 hours?
The worst AQI (US) level was 129 (Poor) at 8:31 AM (Local Time) during the last 24 hours.
4. What is the current trend of AQI (US) levels in Chennai during last 24 hours?
4. What is the current trend of AQI (US) levels in Chennai during last 24 hours?
The AQI (US) levels in Chennai have been fluctuating throughout the last 24 hours. The levels have increased by highest 129 at 8:31 AM (Local Time), lowest 76 at 1:01 PM (Local Time).
5. What actions are recommended as per the current AQI (US) level in Chennai?
5. What actions are recommended as per the current AQI (US) level in Chennai?
Current AQI (US) levels are unhealthy for Sensitive individuals, they should reduce prolonged or heavy outdoor exertion.
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