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Mount Colah (New South Wales) (AU)

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

Cloudy
16°C
Cloudy
Humidity
75.4%
Wind
2 m/s
Pressure
1020.3 hPa
Direction
Sunrise
05:00
Sunset
17:00
24h Forecast:
Temp.
16° / 27°
Precip.
0mm
Max wind
5.6 m/s

Hourly Forecast

03.02
Now
Weather
16°
03.02
19:00
Weather
17°
03.02
20:00
Weather
17°
03.02
21:00
Weather
19°
03.02
22:00
Weather
21°
03.02
23:00
Weather
23°
04.02
00:00
Weather
25°
04.02
01:00
Weather
26°
04.02
02:00
Weather
27°
04.02
03:00
Weather
27°
04.02
04:00
Weather
27°
04.02
05:00
Weather
27°
04.02
06:00
Weather
26°
5
04.02
07:00
Weather
25°
6
04.02
08:00
Weather
23°
6
04.02
09:00
Weather
22°
04.02
10:00
Weather
21°
04.02
11:00
Weather
20°
04.02
12:00
Weather
20°
04.02
13:00
Weather
19°
04.02
14:00
Weather
19°
04.02
15:00
Weather
19°
04.02
16:00
Weather
18°
04.02
17:00
Weather
18°

Temperature

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

Precipitation

0mm
0mm
18:00 05:00 17:00

Wind

5.6m/s
0m/s
18:00
2.4 m/s
19:00
2.5 m/s
20:00
2.1 m/s
21:00
1.3 m/s
22:00
2.5 m/s
23:00
3.6 m/s
00:00
3.8 m/s
01:00
4.1 m/s
02:00
4.2 m/s
03:00
4.5 m/s
04:00
4.9 m/s
05:00
4.8 m/s
06:00
5.4 m/s
07:00
5.6 m/s
08:00
5.5 m/s
09:00
4.9 m/s
10:00
4.6 m/s
11:00
4.8 m/s
12:00
3.8 m/s
13:00
2.9 m/s
14:00
2.9 m/s
15:00
2.6 m/s
16:00
2.5 m/s
17:00
2 m/s
18:00 05:00 17:00

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
41 km
28
9.3%

Measurement time: 2026-02-03 19:25

Calculated from PM2.5/PM10

PM2.5
41 km
6.8 µg/m3
8.1%

Measurement time: 2026-02-03 19:25

source: OpenWeatherMap

PM10
41 km
11.21 µg/m3
8%

Measurement time: 2026-02-03 19:25

source: OpenWeatherMap

NO2
41 km
7.74 µg/m3
3.9%

Measurement time: 2026-02-03 19:25

source: OpenWeatherMap

O3
41 km
5.28 µg/m3
3.3%

Measurement time: 2026-02-03 19:25

source: OpenWeatherMap

SO2
41 km
1.97 µg/m3
0.6%

Measurement time: 2026-02-03 19:25

source: OpenWeatherMap

CO
41 km
0.06632 mg/m3
0.5%

Measurement time: 2026-02-03 19:25

source: OpenWeatherMap

About Air Quality in Mount Colah

Air quality in Mount Colah 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 Mount Colah

  • 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 Mount Colah?

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 Mount Colah

If you're planning outdoor activities in Mount Colah, 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.