Indoor concentration measurement results of volatile organic compounds (VOCs) and other materials in public buildings

About public building which Yokohama-shi constructs and manages, we gather result of indoor concentration measurement that we carried out based on "Yokohama-shi public building sick house measures guidelines" and announce.
Please contact the responsible department in the list of measurement results for details of the measurement and the measures to be taken when the measurement results exceed the indoor concentration guidelines set by the Ministry of Health, Labour and Welfare.

1.The list shows the location of public buildings.
2.The measured values marked with “*” in the measurement results column exceed the indoor concentration guidelines set by the Ministry of Health, Labour and Welfare. For these facilities, if re-measurement is performed, the results are also posted.
3."nd" in the measurement result indicates below the lower limit of quantification.
4.Legend Measurement Method (*1)
１： Diffusion method
２： Other methods
Reason for measurement (*2)
１： Checking the safety of existing facilities
２： Safety confirmation associated with new construction and renovations
３： Re-measurement due to exceeding the indoor concentration guideline value

The results of indoor concentration measurements such as VOCs of public buildings conducted in the first half of FY2023 (April 2013 to September 5) are as follows.

As a result of measurements for 166 public buildings (545 rooms), 7 (10 rooms) exceeded the indoor concentration guidelines set by the Ministry of Health, Labour and Welfare.
For these facilities, take improvement measures, re-measurement will be carried out to confirm that they are below the indoor concentration guideline value.
●List of measurement result [Portable Document Format (PDF: 280KB)]
(Tsurumi Ward, Kanagawa Ward, Nishi Ward, Naka Ward, Minami Ward, Konan Ward, Hodogaya Ward, Asahi Ward, Isogo Ward)

●List of measurement result [Portable Document Format (PDF: 224KB)]
(Kanazawa Ward, Kohoku Ward, Midori Ward, Aoba Ward, Tsuzuki Ward  , Totsuka Ward, Sakae Ward, Izumi Ward and Seya Ward)

The results of measurements of indoor concentrations such as VOCs in public buildings conducted in the second half of FY2022 (October 4 to March 2013) are as follows.

As a result of measurements for 39 public buildings (198 rooms), 2 (17 rooms) exceeded the indoor concentration guidelines set by the Ministry of Health, Labour and Welfare.
After taking improvement measures, these facilities were re-measured, and it was confirmed that they were below the indoor concentration guideline value.
●List of measurement result [Portable Document Format (PDF: 214KB)]
(Tsurumi Ward, Kanagawa Ward, Nishi Ward, Naka Ward, Minami Ward, Konan Ward, Hodogaya Ward, Asahi Ward, Isogo Ward)

●List of measurement result [Portable Document Format (PDF: 143KB)]
(Kanazawa Ward, Kohoku Ward, Midori Ward, Aoba Ward, Tsuzuki Ward  , Totsuka Ward, Sakae Ward, Izumi Ward and Seya Ward)

The results of measurements of indoor concentrations such as VOCs in public buildings conducted in the first half of FY2022 (April 4 to September 4, 2021).

As a result of measuring 142 public buildings (366 rooms), 9 (12 rooms) exceeded the indoor concentration guidelines set by the Ministry of Health, Labour and Welfare.
After taking improvement measures, these facilities were re-measured, and it was confirmed that they were below the indoor concentration guideline value.

●List of measurement result [Portable Document Format (PDF: 197KB)]
(Tsurumi Ward, Kanagawa Ward, Nishi Ward, Naka Ward, Minami Ward, Konan Ward, Hodogaya Ward, Asahi Ward, Isogo Ward)

●List of measurement result [Portable Document Format (PDF: 343KB)]
(Kanazawa Ward, Kohoku Ward, Midori Ward, Aoba Ward, Tsuzuki Ward  , Totsuka Ward, Sakae Ward, Izumi Ward and Seya Ward)

The results of measurements of indoor concentrations such as VOCs in public buildings conducted in the second half of FY2021 (October 3 to March 4), as follows:

As a result of measuring 47 public buildings (215 rooms), 5 (5 rooms) exceeded the indoor concentration guidelines set by the Ministry of Health, Labour and Welfare.
After taking improvement measures, these facilities were re-measured, and it was confirmed that they were below the indoor concentration guideline value.

●List of measurement result [Portable Document Format (PDF: 333KB)]
(Tsurumi Ward, Kanagawa Ward, Nishi Ward, Naka Ward, Minami Ward, Konan Ward, Hodogaya Ward, Asahi Ward, Isogo Ward)

●List of measurement result [Portable Document Format (PDF: 294KB)]
(Kanazawa Ward, Kohoku Ward, Midori Ward, Aoba Ward, Tsuzuki Ward  , Totsuka Ward, Sakae Ward, Izumi Ward and Seya Ward)

The results of measurements of indoor concentrations such as VOCs in public buildings conducted in the first half of FY2021 (April 3 to September 2019).

As a result of measurements for 172 public buildings (447 rooms), 12 (17 rooms) exceeded the indoor concentration guidelines set by the Ministry of Health, Labour and Welfare.
After taking improvement measures, these facilities were re-measured, and it was confirmed that they were below the indoor concentration guideline value.

●List of measurement result [Portable Document Format (PDF: 335KB)]
(Tsurumi Ward, Kanagawa Ward, Nishi Ward, Naka Ward, Minami Ward, Konan Ward, Hodogaya Ward, Asahi Ward, Isogo Ward)

●List of measurement result [Portable Document Format (PDF: 365KB)]
(Kanazawa Ward, Kohoku Ward, Midori Ward, Aoba Ward, Tsuzuki Ward  , Totsuka Ward, Sakae Ward, Izumi Ward and Seya Ward)

The results of the measurement of indoor concentrations such as VOCs of public buildings conducted in the second half of FY2020 (October 2 to March 3, 2011).

As a result of measuring 52 public buildings (228 rooms), two (three rooms) exceeded the indoor concentration guidelines set by the Ministry of Health, Labour and Welfare.
After taking improvement measures, these facilities were re-measured, and it was confirmed that they were below the indoor concentration guideline value.

●List of measurement result [Portable Document Format (PDF: 248KB)]
(Tsurumi Ward, Kanagawa Ward, Nishi Ward, Naka Ward, Minami Ward, Konan Ward, Hodogaya Ward, Asahi Ward, Isogo Ward)

●List of measurement result [Portable Document Format (PDF: 316KB)]
(Kanazawa Ward, Kohoku Ward, Midori Ward, Aoba Ward, Tsuzuki Ward  , Totsuka Ward, Sakae Ward, Izumi Ward, Seya Ward, etc.)

The results of the measurement of indoor concentrations such as VOCs of public buildings conducted in the first half of FY2020 (April 2000 to September 1992).

As a result of measurements for 167 public buildings (497 rooms), 6 (9 rooms) exceeded the indoor concentration guidelines set by the Ministry of Health, Labour and Welfare.
After taking improvement measures, these facilities were re-measured, and it was confirmed that they were below the indoor concentration guideline value.

●List of measurement result [Portable Document Format (PDF: 365KB)]
(Tsurumi Ward, Kanagawa Ward, Nishi Ward, Naka Ward, Minami Ward, Konan Ward, Hodogaya Ward, Asahi Ward, Isogo Ward)

●List of measurement result [Portable Document Format (PDF: 314KB)]
(Kanazawa Ward, Kohoku Ward, Midori Ward, Aoba Ward, Tsuzuki Ward  , Totsuka Ward, Sakae Ward, Izumi Ward and Seya Ward)