Bengaluru – Karnataka Weather Update: Yellow alert for today for Thunderstorm & Lightning, Squall, Strong Surface Winds, | AQI | May 21, 2025 | IMD Forecast for the upcoming week

Written by

Narendra Shah

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IMD Latest Weather Update for Bengaluru

Here’s the latest weather update for Bengaluru on May 21, 2025. According to the India Meteorological Department (IMD), we can expect a maximum temperature of 27.0°C and a minimum of 21.0°C. The air quality index (AQI) stands at 70, which indicates a moderate level. Today, Bengaluru will experience a partly cloudy sky with a chance of a few spells of rain or thundershowers. A Yellow alert has been issued due to possible thunderstorms, lightning, squalls, and strong surface winds.

Below are the details for today’s weather in Bengaluru, along with a forecast for the next week:

  • 🌅 Sunrise: 05:53
  • 🌄 Sunset: 18:39
  • 🌙 Moonrise: 01:02
  • 🌑 Moonset: 13:05

Recent Weather Data for Bengaluru

  • Yesterday’s Maximum Temperature: 27.2°C (6.6°C below normal)
  • Today’s Minimum Temperature: 21.0°C
  • Rainfall in the last 24 hours: 0 mm

Current Air Quality for Bengaluru

The Air Quality Index (AQI) currently measures at 70, categorized as “Moderate“. PM10 is identified as the main pollutant.

While the air quality is generally acceptable for most people, a small group sensitive to air pollutants might experience some health effects.

Alerts and Warnings for Bengaluru-City – Bengaluru

Date Warning Description Alert Level
2025-05-20 Heavy Rain, Thunderstorm & Lightning, Squall, Strong Surface Winds Yellow alert
2025-05-21 Thunderstorm & Lightning, Squall, Strong Surface Winds Yellow alert
2025-05-22 Thunderstorm & Lightning, Squall, Strong Surface Winds Yellow alert
2025-05-23 Thunderstorm & Lightning, Squall, Strong Surface Winds Yellow alert
2025-05-24 Thunderstorm & Lightning, Squall Yellow alert

Bengaluru-City – Bengaluru Weather: FAQs

Is there rain in today’s forecast?
No, the forecast shows no rain today.

What time is sunrise in Bengaluru-City today?
Sunrise is at 05:53.

What time is moonrise in Bengaluru-City today?
Moon should be visible at around 01:02 today.

What is the source of this data?
The data is sourced from the IMD and aqicn.org.

What is the AQI today?
The AQI is 70, which is considered “Moderate“.

What is PM 2.5?
PM 2.5 refers to tiny particles in the air that are 2.5 micrometers or smaller in diameter, which is about 30 times smaller than the width of a human hair. Because they are so small, they can get deep into your lungs and even enter your bloodstream.
These particles come from sources like car exhaust, industrial emissions, fires, and dust. PM 2.5 is harmful because it can cause health problems, especially in the lungs and heart, leading to issues like asthma, lung disease, and heart attacks.

What Preventive Measures are being taken in High AQI Regions?
Stay indoors with windows closed and use an air purifier if possible. Avoid outdoor exercise, Avoid smoking, If the outdoor air improves (e.g., after rain), ventilate your home by briefly opening windows.
If you need to go outside, wear an N95 mask to block tiny particles.

Stay tuned for more updates on the weather in – Bengaluru.

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