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Saint Thomas Mount (Tamil Nadu) (IN)

Air Quality Trend (last 7 days)

Good (0-50)
Moderate (51-100)
Unhealthy for Sensitive Groups (101-150)
Unhealthy (151-200)
Very Unhealthy (201-300)
Hazardous (300+)

Weather - 48h MET Norway

Clear sky
28°C
Clear sky
Humidity
55.2%
Wind
7 m/s
Pressure
1013.5 hPa
Direction
44°
Sunrise
05:00
Sunset
17:00
24h Forecast:
Temp.
21° / 28°
Precip.
0mm
Max wind
7.1 m/s

Hourly Forecast

02.02
Now
Weather
28°
7
02.02
11:00
Weather
27°
7
02.02
12:00
Weather
26°
7
02.02
13:00
Weather
25°
7
02.02
14:00
Weather
25°
7
02.02
15:00
Weather
25°
6
02.02
16:00
Weather
24°
6
02.02
17:00
Weather
24°
6
02.02
18:00
Weather
23°
6
02.02
19:00
Weather
23°
5
02.02
20:00
Weather
23°
5
02.02
21:00
Weather
22°
5
02.02
22:00
Weather
22°
02.02
23:00
Weather
22°
03.02
00:00
Weather
21°
03.02
01:00
Weather
21°
03.02
02:00
Weather
22°
03.02
03:00
Weather
25°
03.02
04:00
Weather
26°
03.02
05:00
Weather
28°
03.02
06:00
Weather
28°
03.02
07:00
Weather
28°
5
03.02
08:00
Weather
28°
6
03.02
09:00
Weather
28°
6

Temperature

28°C
21°C
10:00
28°C
11:00
27°C
12:00
26°C
13:00
25°C
14:00
25°C
15:00
25°C
16:00
24°C
17:00
24°C
18:00
23°C
19:00
23°C
20:00
23°C
21:00
22°C
22:00
22°C
23:00
22°C
00:00
21°C
01:00
21°C
02:00
22°C
03:00
25°C
04:00
26°C
05:00
28°C
06:00
28°C
07:00
28°C
08:00
28°C
09:00
28°C
10:00 21:00 09:00

Precipitation

0mm
0mm
10:00 21:00 09:00

Wind

7.1m/s
0m/s
10:00
7.1 m/s
11:00
7.1 m/s
12:00
7.1 m/s
13:00
7 m/s
14:00
6.5 m/s
15:00
6.1 m/s
16:00
5.8 m/s
17:00
5.6 m/s
18:00
5.5 m/s
19:00
5.3 m/s
20:00
5.2 m/s
21:00
5.1 m/s
22:00
4.8 m/s
23:00
4.5 m/s
00:00
4.2 m/s
01:00
4 m/s
02:00
3.7 m/s
03:00
4.1 m/s
04:00
4.6 m/s
05:00
4.7 m/s
06:00
4.9 m/s
07:00
5.2 m/s
08:00
5.6 m/s
09:00
5.7 m/s
10:00 21:00 09:00

Radiation

No sensor within 100 km.

We display the worst measurements from all stations in the area. This approach provides a more cautious assessment of air quality, accounting for local pollution sources.

AQI
15.2 km
205
68.3%

Measurement time: 2026-02-02 10:30

Calculated from PM2.5/PM10

PM2.5
15.2 km
155 µg/m3
184.5%

Measurement time: 2026-02-02 10:30

source: Aqicn

PM10
15.2 km
77 µg/m3
55%

Measurement time: 2026-02-02 10:30

source: Aqicn

O3
15.2 km
6.9 µg/m3
4.3%

Measurement time: 2026-02-02 10:30

source: Aqicn

SO2
15.2 km
1.9 µg/m3
0.5%

Measurement time: 2026-02-02 10:30

source: Aqicn

CO
15.2 km
0.0109 mg/m3
0.1%

Measurement time: 2026-02-02 10:30

source: Aqicn

NO2
15.2 km
0.1 µg/m3
0.1%

Measurement time: 2026-02-02 10:30

source: Aqicn

About Air Quality in Saint Thomas Mount

Air quality in Saint Thomas Mount is monitored in real-time by sensors and measurement stations. On this page you'll find current data on major air pollutants including particulate matter PM2.5 and PM10, nitrogen dioxide (NO2), ozone (O3), and radiation levels.

Common Pollutants in Saint Thomas Mount

  • PM2.5 - fine particulate matter up to 2.5 micrometers, particularly harmful to health
  • PM10 - particulate matter up to 10 micrometers from traffic and industry
  • NO2 - nitrogen dioxide mainly emitted by vehicles
  • O3 - tropospheric ozone formed in photochemical reactions

When is Air Quality Best in Saint Thomas Mount?

Generally, the best air quality occurs:

  • Early morning (5:00-7:00 AM) before rush hour traffic
  • After rainfall which cleanses the atmosphere
  • During strong winds that disperse pollutants
  • In summer months when heating systems are less used

Tips for Runners in Saint Thomas Mount

If you're planning outdoor activities in Saint Thomas Mount, always check the current AQI value. When AQI exceeds 100, consider moving your workout indoors or shortening the distance. People with respiratory issues, children, and seniors should be especially cautious during elevated pollution levels. Choose routes away from busy streets and industrial areas.