Chennai: Air quality (AQI)

Indian AQI from the selected CPCB station. Conditions can vary across the city.

Chennai

Tamil Nadu, India

Air quality

Now · 11:00 pm IST

64India AQI

Satisfactory

CPCB station · Royapuram, Chennai - TNPCB

PM₂.₅: 33 AQI sub-index
PM₁₀: 64 AQI sub-index
NO₂: 14 AQI sub-index
O₃: 30 AQI sub-index
SO₂: 2 AQI sub-index
CO: 33 AQI sub-index

CPCB · data.gov.in

AQI trend over the last 24 hours

US AQI · CAMS

The 24-hour trend uses CAMS model estimates on the US AQI scale. It is a separate dataset, not the history of a CPCB station; the two scales have different categories. 23/24

2701:00

2702:00

2803:00

2804:00

2805:00

2906:00

2907:00

2908:00

2909:00

2910:00

2911:00

3012:00

3013:00

3114:00

3115:00

3116:00

3217:00

3118:00

3119:00

3220:00

3321:00

3422:00

3623:00

Hourly forecast

Forecast updated (IST)	US AQI	PM2.5 (µg/m³)
2026-10-23 01:00	27	4.1
2026-10-23 02:00	27	3.9
2026-10-23 03:00	28	3.4
2026-10-23 04:00	28	3.5
2026-10-23 05:00	28	2.4
2026-10-23 06:00	29	3.5
2026-10-23 07:00	29	4.2
2026-10-23 08:00	29	4.6
2026-10-23 09:00	29	4.5
2026-10-23 10:00	29	5.6
2026-10-23 11:00	29	5.7
2026-10-23 12:00	30	5.7
2026-10-23 13:00	30	6.2
2026-10-23 14:00	31	6.8
2026-10-23 15:00	31	7.2
2026-10-23 16:00	31	7.8
2026-10-23 17:00	32	9.1
2026-10-23 18:00	31	11.8
2026-10-23 19:00	31	11.3
2026-10-23 20:00	32	10.9
2026-10-23 21:00	33	11.1
2026-10-23 22:00	34	11.5
2026-10-23 23:00	36	11.4

Chennai

More forecasts for this city

Chennai Weather26°C · Cloudy Chennai weather tomorrowDaily maximum 29° · Low 24°Chennai TemperatureNow 26°C · Feels like 33°Chennai Rain chance88% · 18 mm

Saturday, 24 October

Current estimate

26°

Cloudy

Feels like 33°

Temperature in °C

Rain is more likely around 12:00 am.

Hourly forecast

Forecast updated 12:00 am ISTOpen-Meteo

Hourly forecast

Temperature & rain chance

Now26°

73%

1:00 am26°

77%

2:00 am25°

76%

3:00 am25°

67%

4:00 am25°

54%

5:00 am25°

43%

6:00 am25°

37%

7:00 am25°

33%

8:00 am26°

31%

9:00 am28°

30%

10:00 am29°

30%

11:00 am29°

35%

12:00 pm30°

48%

1:00 pm29°

65%

2:00 pm29°

78%

3:00 pm28°

84%

4:00 pm28°

86%

5:00 pm27°

86%

6:00 pm26°

84%

7:00 pm26°

80%

8:00 pm25°

78%

9:00 pm26°

81%

10:00 pm25°

86%

11:00 pm25°

88%

7-day forecast

Today88%25°30°

Tomorrow85%24°29°

Mon62%25°30°

Tue31%23°30°

Wed30%23°30°

Thu14%24°33°

Fri24%24°32°

Forecasts can change. Check again closer to your plans.

India

Explore more cities

8 cities

Tirupati Puducherry Bengaluru Tiruchirappalli Guntur Vijayawada Mysuru Madurai

Model-based weather data from Open-Meteo. Mausm is independent and is not affiliated with IMD. About & data →