Indoor concentration measurement results of volatile organic compounds (VOCs) 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.
If the measurement results exceed the indoor concentration guidelines set by the Ministry of Health, Labour and Welfare, please contact the relevant section in the measurement results list.

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, the results of re-measurement are also posted.
3."n" in the measurement results indicates below the lower limit of quantification.
4.Legend Measurement Method (*1)
１： Diffusion method
２： Other methods
Reason for measurement (*2)
１： Safety confirmation of existing facilities
２： Safety confirmation associated with new construction and renovation
３： Remeasurement due to exceeding the indoor concentration guideline value

The results of indoor concentration measurements such as VOCs of public buildings conducted in the second half of 2023 (October 2023 to March 2023) are as follows.

As a result of measuring 39 public buildings (209 rooms), all were within the indoor concentration guidelines set by the Ministry of Health, Labour and Welfare.
●Table of measurement results [PDF format (PDF: 336KB)]
(Tsurumi Ward, Kanagawa Ward, Nishi Ward, Naka Ward, Minami Ward, Konan Ward, Hodogaya, Asahi Ward, Isogo Ward)

●Table of measurement results [PDF format (PDF: 250KB)]
(Kanazawa Ward, Kohoku Ward, Midori Ward, Aoba Ward, Tsuzuki Ward  , Totsuka Ward, Sakae Ward, Izumi Ward, Seya Ward)

The results of indoor concentration measurements such as VOCs of public buildings conducted in the first half of 2023 (April 2023 to September 2023) are as follows.

As a result of measuring 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, after taking improvement measures, re-measurement will be carried out to confirm that they are below the indoor concentration guideline value.
●Table of measurement results [PDF format (PDF: 280KB)]
(Tsurumi Ward, Kanagawa Ward, Nishi Ward, Naka Ward, Minami Ward, Konan Ward, Hodogaya, Asahi Ward, Isogo Ward)

●Table of measurement results [PDF format (PDF: 224KB)]
(Kanazawa Ward, Kohoku Ward, Midori Ward, Aoba Ward, Tsuzuki Ward  , Totsuka Ward, Sakae Ward, Izumi Ward, Seya Ward)

The results of indoor concentration measurements such as VOCs of public buildings conducted in the second half of 2022 (from October 2022 to March 2022) are as follows.

As a result of measuring 39 public buildings (198 rooms), 2 cases (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 confirmed that they were below the indoor concentration guideline value.
●Table of measurement results [PDF format (PDF: 214KB)]
(Tsurumi Ward, Kanagawa Ward, Nishi Ward, Naka Ward, Minami Ward, Konan Ward, Hodogaya, Asahi Ward, Isogo Ward)

●Table of measurement results [PDF format (PDF: 143KB)]
(Kanazawa Ward, Kohoku Ward, Midori Ward, Aoba Ward, Tsuzuki Ward  , Totsuka Ward, Sakae Ward, Izumi Ward, Seya Ward)

The results of indoor concentration measurements such as VOCs of public buildings conducted in the first half of 2022 (from April 2022 to September 2022) are as follows.

As a result of measuring 142 public buildings (366 rooms), 9 cases (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 confirmed that they were below the indoor concentration guideline value.

●Table of measurement results [PDF format (PDF: 197KB)]
(Tsurumi Ward, Kanagawa Ward, Nishi Ward, Naka Ward, Minami Ward, Konan Ward, Hodogaya, Asahi Ward, Isogo Ward)

●Table of measurement results [PDF format (PDF: 343KB)]
(Kanazawa Ward, Kohoku Ward, Midori Ward, Aoba Ward, Tsuzuki Ward  , Totsuka Ward, Sakae Ward, Izumi Ward, Seya Ward)

The results of indoor concentration measurements such as VOCs of public buildings conducted in the second half of 2021 (October 2021 to March 2021) are 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 confirmed that they were below the indoor concentration guideline value.

●Table of measurement results [PDF format (PDF: 333KB)]
(Tsurumi Ward, Kanagawa Ward, Nishi Ward, Naka Ward, Minami Ward, Konan Ward, Hodogaya, Asahi Ward, Isogo Ward)

●Table of measurement results [PDF format (PDF: 294KB)]
(Kanazawa Ward, Kohoku Ward, Midori Ward, Aoba Ward, Tsuzuki Ward  , Totsuka Ward, Sakae Ward, Izumi Ward, Seya Ward)

The results of indoor concentration measurements such as VOCs of public buildings conducted in the first half of 2021 (April 2021 to September 2021) are as follows.

As a result of measuring 172 public buildings (447 rooms), 12 cases (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 confirmed that they were below the indoor concentration guideline value.

●Table of measurement results [PDF format (PDF: 335KB)]
(Tsurumi Ward, Kanagawa Ward, Nishi Ward, Naka Ward, Minami Ward, Konan Ward, Hodogaya, Asahi Ward, Isogo Ward)

●Table of measurement results [PDF format (PDF: 365KB)]
(Kanazawa Ward, Kohoku Ward, Midori Ward, Aoba Ward, Tsuzuki Ward  , Totsuka Ward, Sakae Ward, Izumi Ward, Seya Ward)

The results of indoor concentration measurements such as VOCs of public buildings conducted in the second half of 2020 (October 2020 to March 2020) are as follows.

As a result of measuring 52 public buildings (228 rooms), 2 cases (3 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 confirmed that they were below the indoor concentration guideline value.

●Table of measurement results [PDF format (PDF: 248KB)]
(Tsurumi Ward, Kanagawa Ward, Nishi Ward, Naka Ward, Minami Ward, Konan Ward, Hodogaya, Asahi Ward, Isogo Ward)

●Table of measurement results [PDF format (PDF: 316KB)]
(Kanazawa Ward, Kohoku Ward, Midori Ward, Aoba Ward, Tsuzuki Ward  , Totsuka Ward, Sakae Ward, Izumi Ward, Seya Ward, etc.)