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Acid rain information
Last Updated March 28, 2024
The Institute of Environmental Science conducts long-term monitoring of acid rain.
On this page, we will inform you of the monitoring results.
For an overview of the survey, please see the page on the Atmospheric and Water Environments.
Acid rain information (Kanagawa Ward)
| Collection period | pH | Electrical conductivity |
Precipitation |
|---|---|---|---|
| From March 27 to April 24, 2023 | 5.64 | 20.20 | 68.9 |
| From April 24 to June 5 | 5.28 | 11.77 | 366.1 |
| June 5 to July 3 | 5.36 | 9.38 | 142.9 |
| From July 3 to July 31 | 5.44 | 11.52 | 13.6 |
| July 31 to August 28 | 5.25 | 12.53 | 108.5 |
| August 28 to September 25 ※１ | 5.51 | 7.39 | - |
| From September 25 to November 6 ※２ | 4.76 | 11.02 | - |
| From November 6 to December 4 | 5.78 | 1.20 | 53.7 |
| December 4 to January 4, 2024 | 5.58 | 14.94 | 27.7 |
| From January 4 to January 29 | 6.00 | 11.50 | 29.9 |
From January 29 to February 26 |
5.56 | 19.74 | 59.5 |
| Feb. 26-March 25 | 5.44 | 9.93 | 116.1 |
※1 Since the entire amount could not be collected due to a failure of the water sampling machine, it is treated as a reference value.
※2 Since the entire amount could not be collected due to a failure of the water sampling machine, it is treated as a reference value.
Acid rain information until FY2022
※Kanagawa Ward from fiscal 2015 onward, and Isogo Ward
FY2022: Acid rain information (No. 289) (PDF: 75KB)
FY2021: Acid rain information (No. 288) (PDF: 124KB)
FY2020: Acid rain information (No. 287) (PDF: 130KB)
FY2019: Acid rain information (No. 286) (PDF: 127KB)
From FY2018 to Showa 59 (PDF: 4,567KB)
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For inquiries to this page
Environmental Conservation Department, Green Environment Bureau
Phone: 045-453-2550
Phone: 045-453-2550
Fax: 045-453-2560
Email address: mk-kanken@city.yokohama.lg.jp
Page ID: 858-142-306
