August 22, 2025 at 05:00 AM JST
Announced by Ministry of the Environment and Japan Meteorological Agency
- Avoid going out as much as possible and keep the room cool with an air conditioner and the like.
- Avoid exercising as a general rule.
Check the heat index in your immediate surroundings and take action to prevent heat illness.
- Encourage the elderly around you to use air conditioners and the like, regardless of whether it is daytime or nighttime.
- Children, people with chronic illnesses, obese people, and people with disabilities are more susceptible to heat illness in addition to the elderly.
Before you get thirsty, be proactive and set fixed times for taking frequent breaks and stay hydrated (1.2L per day).
August 21, 2025 at 10:03 PM JST
Yokohama City
Thunderstorm Advisory(Cancel)
August 21, 2025 at 05:00 PM JST
Announced by Ministry of the Environment and Japan Meteorological Agency
- Avoid going out as much as possible and keep the room cool with an air conditioner and the like.
- Avoid exercising as a general rule.
Check the heat index in your immediate surroundings and take action to prevent heat illness.
- Encourage the elderly around you to use air conditioners and the like, regardless of whether it is daytime or nighttime.
- Children, people with chronic illnesses, obese people, and people with disabilities are more susceptible to heat illness in addition to the elderly.
Before you get thirsty, be proactive and set fixed times for taking frequent breaks and stay hydrated (1.2L per day).
August 21, 2025 at 02:56 PM JST
Pay attention to sudden changes in the weather.
August 21, 2025 at 05:00 AM JST
Announced by Ministry of the Environment and Japan Meteorological Agency
- Avoid going out as much as possible and keep the room cool with an air conditioner and the like.
- Avoid exercising as a general rule.
Check the heat index in your immediate surroundings and take action to prevent heat illness.
- Encourage the elderly around you to use air conditioners and the like, regardless of whether it is daytime or nighttime.
- Children, people with chronic illnesses, obese people, and people with disabilities are more susceptible to heat illness in addition to the elderly.
Before you get thirsty, be proactive and set fixed times for taking frequent breaks and stay hydrated (1.2L per day).