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Lane Cove Tunnel air quality


Air quality in the Lane Cove Tunnel is monitored for carbon monoxide and other pollutants 24 hours a day in accordance with the Ministers Conditions of Approval (MCoA).


In-tunnel air quality


Date/Time
CO 3min
CO 15min
CO 30min
Limit
200ppm
87ppm
50ppm

 

Above table shows the maximum value through any part of the tunnel within the hour.
Data is for the hour commencing at the time above in Australian Eastern Standard Time.



Terms and abbreviations


  • CO 3min: Highest, 3 minute average, carbon monoxide reading at any in-tunnel air quality sensor occurring within the hour.
  • CO 15min: Highest carbon monoxide exposure reading, measured over a 15 minute average occurring within the hour.
  • CO 30min: Highest carbon monoxide exposure reading, measured over a 30 minute average, occurring within the hour.
  • Limit: The limit for in tunnel air quality specified in the Minister's conditions of approval.
  • ppm: Parts per million.


Tunnel data downloads


2025
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August 2025
1133 KB
July 2025
1132 KB
June 2025
1136 KB
May 2025
1124 KB
April 2025
1030 KB
March 2025
1034 KB
February 2025
1010 KB
January 2025
1034 KB

2024
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December 2024
1031 KB
November 2024
1037 KB
October 2024
1032 KB
September 2024
1127 KB
August 2024
1037 KB
July 2024
1040 KB
June 2024
1041 KB
May 2024
1040 KB
April 2024
1044 KB
March 2024
1042 KB
February 2024
1047 KB
January 2024
1040 KB

2023
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December 2023
1041 KB
November 2023
1046 KB
October 2023
1038 KB
September 2023
1044 KB
August 2023
1041 KB
July 2023
1032 KB
June 2023
1038 KB
May 2023
1042 KB
April 2023
1035 KB
March 2023
1035 KB
February 2023
1031 KB
January 2023
1027 KB

2022
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December 2022
1021 KB
November 2022
1040 KB
October 2022
1026 KB
September 2022
1022 KB
August 2022
1013 KB
July 2022
1011 KB
June 2022
1015 KB
May 2022
1014 KB
April 2022
1013 KB
March 2022
1013 KB
February 2022
1007 KB
January 2022
1016 KB

2021
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December 2021
2241 KB
November 2021
2239 KB
October 2021
2246 KB
September 2021
2238 KB
August 2021
2242 KB
July 2021
2236 KB
June 2021
2241 KB
May 2021
2255 KB
April 2021
2238 KB
March 2021
2250 KB
February 2021
2236 KB
January 2021
2216 KB

2020
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December 2020
2247 KB
November 2020
2251 KB
October 2020
2248 KB
September 2020
2252 KB
August 2020
2241 KB
July 2020
2238 KB
June 2020
2227 KB
May 2020
1921 KB
April 2020
2216 KB
March 2020
2242 KB
February 2020
2229 KB
January 2020
2242 KB

2019
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December 2019
2251 KB
November 2019
2245 KB
October 2019
2221 KB
September 2019
2262 KB
August 2019
2266 KB
July 2019
2272 KB
June 2019
2273 KB
May 2019
2278 KB
April 2019
2272 KB
March 2019
2274 KB
February 2019
2254 KB
January 2019
2270 KB

2018
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December 2018
1598 KB
November 2018
1598 KB
October 2018
1575 KB
September 2018
1716 KB
August 2018
1577 KB
July 2018
1573 KB
June 2018
1573 KB
May 2018
1565 KB
April 2018
1575 KB
March 2018
1559 KB
February 2018
1620 KB
January 2018
1612 KB

2017
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December 2017
1620 KB
November 2017
1616 KB
October 2017
1620 KB
September 2017
1635 KB
August 2017
1622 KB
July 2017
1608 KB
June 2017
1611 KB
May 2017
1599 KB
April 2017
1602 KB
March 2017
1476 KB
February 2017
1466 KB
January 2017
1486 KB

2016
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December 2016
1478 KB
November 2016
1471 KB
October 2016
1491 KB
September 2016
1478 KB
August 2016
1372 KB
July 2016
1336 KB
June 2016
1348.58 KB
May 2016
1354.57 KB
April 2016
1342.10 KB
March 2016
1348.33 KB
February 2016
1344.46 KB
January 2016
1353.66 KB

2015
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December 2015
1345.54 KB
November 2015
1358.21 KB
October 2015
1341.51 KB
September 2015
1674.55 KB
August 2015
1372.86 KB
July 2015
1353.69 KB
June 2015
1328.11 KB
May 2015
1361.29 KB
April 2015
1352.86 KB
March 2015
1353.44 KB
February 2015
1377.77 KB
January 2015
1384.74 KB

2014
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December 2014
1383.63 KB
November 2014
1381.34 KB
October 2014
1395.42 KB
September 2014
1058.61 KB
August 2014
1365.19 KB
July 2014
1435.60 KB
June 2014
1439.64 KB
May 2014
1435.70 KB
April 2014
1118.51 KB
March 2014
465.32 KB
February 2014
422.69 KB
January 2014
519.39 KB

2013
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December 2013
390.29 KB
November 2013
398.83 KB
October 2013
400.62 KB
September 2013
387.75 KB
August 2013
390.86 KB
July 2013
379.68 KB
June 2013
148.22 KB
May 2013
390.36 KB
April 2013
383.66 KB
March 2013
389.19 KB
February 2013
383.43 KB
January 2013
492.76 KB

2012
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December 2012
499.33 KB
November 2012
502.89 KB
October 2012
509.31 KB
September 2012
209.67 KB
August 2012
509.97 KB
July 2012
296.12 KB
June 2012
508.18 KB
May 2012
399.13 KB
April 2012
512.29 KB
March 2012
522.39 KB
February 2012
354.21 KB
January 2012
509.94 KB

2011
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December 2011
525.27 KB
November 2011
516.75 KB
October 2011
534.33 KB
September 2011
402.87 KB
August 2011
402.04 KB
July 2011
402.02 KB
June 2011
373.79 KB
May 2011
April 2011
687.77 KB
March 2011
702.90 KB
February 2011
465.75 KB
January 2011
693.72 KB

2010
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December 2010
716.13 KB
November 2010
696.08 KB
October 2010
716.21 KB
September 2010
411.55 KB
August 2010
698.51 KB
July 2010
717.77 KB
June 2010
475.64 KB
May 2010
486.34 KB
April 2010
407.48 KB
March 2010
481.22 KB
February 2010
466.32 KB
January 2010
482.58 KB

2009
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December 2009
479.25 KB
November 2009
144.52 KB
October 2009
1.01 MB
September 2009
477.62 KB
August 2009
552.66 KB
July 2009
554.87 KB
June 2009
568.51 KB
May 2009
577.81 KB
April 2009
553.96 KB
March 2009
522.75 KB
February 2009
500.46 KB
January 2009
541.65 KB

2008
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December 2008
545.81 KB
November 2008
545.51 KB
October 2008
549.96 KB
September 2008
551.39 KB
August 2008
551.2 KB
July 2008
547.83 KB
June 2008
545.6 KB
May 2008
500.91 KB
April 2008
476.23 KB
March 2008
489.89 KB
February 2008
446.97 KB
January 2008
452.44 KB

2007
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December 2007
424.83 KB
November 2007
339.11 KB
October 2007
343.48 KB
September 2007
339.82 KB
August 2007
340.9 KB
July 2007
332.56 KB
June 2007
340.4 KB
May 2007
335.01 KB
March 2007
292.72 KB



More information


Information on air quality monitoring and environmental management is set out in the Lane Cove Tunnel Operational Environmental Management Plan (OEMP). Contact us to request a copy of the OEMP.