Building Sydney Motorways

Live data

The table below contains the current readings for four monitoring stations, outside the tunnel. A map of these monitoring stations is included in the above links. For graphs, historical readings, and downloadable air quality reports use the links above.

For more information about air quality improvements click on 'M5 East and tunnel filtration' (above right).

Current external real time air quality readings

(at the following monitoring stations external to the tunnel)

Nitrogen dioxide

(hourly average in micrograms per cubic metre)

Particulate matter (PM10)

(24 hourly average in micrograms per cubic metre)

Carbon monoxide

(1 hour average in parts per million)

Wind direction

(hourly average)

Wind speed

(hourly average in kilometres per hour)

Time/date 02/09/2014
8pm - 9pm
01/09/2014 02/09/2014
8pm - 9pm
8pm - 9pm
8pm - 9pm
Set limit or goal 256 50 No set limits or goals for these
Cnr Jackson Place and Highcliff Road, Undercliffe (U1)4.1
Cnr Walker Street and Thompson Street, Turrella (T1)6.2
Cnr Wavell Parade and David Street, Earlwood (X1)6.2
Gipps Street Lookout, Bardwell Park - community based monitoring station (CBMS)6.2
A grey background indicates that data is temporarily unavailable. A red background with white text indicates a reading above the goal.
* 1-hour average PM10 data is for information purposes only. The PM10 goal of 50µg/m3 applies only to 24-hour average readings.
Disclaimer - The data used on this page comes directly from the air monitoring stations. This data may be adjusted at a later time through a standardised procedure to account for instrument errors, power interruptions and the like.