Noida and Greater Noida See 5°C Temperature Drop, Relief from Scorching Heat

Key facts

• Maximum temperature in Noida and Greater Noida fell to 36.2°C on Wednesday, down from 41.8°C on April 27.
• Minimum temperature dropped to 22.5°C, compared to over 27°C two days earlier.
• Humidity levels near 40% made the 35°C feel like 40°C on Thursday.
• Greater Noida's AQI stood at 226 (poor category) on Wednesday, while Noida's was 192 (moderate).
• IMD forecasts maximum temperatures below 40°C for the next six days, with light rain likely on May 4 and 5.
• Wind speeds of 6-8 km/h offer some relief but not enough to counter the intense sun.
• Doctors advise staying hydrated and avoiding prolonged sun exposure, especially for children and the elderly.

Sudden Temperature Plunge Brings Respite

After enduring a high of 41.8°C on April 27, residents of Noida and Greater Noida woke to a markedly cooler Wednesday. The maximum temperature dropped by five degrees to 36.2°C, while the minimum fell to 22.5°C — a steep decline from the 27°C recorded just two days earlier. Light drizzle in several areas early Wednesday morning, followed by a day of cloud cover and intermittent sunshine, signaled a temporary break from the scorching heat. The change was abrupt but welcome. The India Meteorological Department (IMD) confirmed that the mercury is unlikely to cross 40°C for at least the next six days, with minimum temperatures expected to hover between 24°C and 26°C. The forecast offers a window of relief for a region that had been grappling with an intense heatwave.

Humidity and Perceived Heat Complicate Comfort

Despite the drop in actual temperature, humidity levels near 40% on Thursday made the 35°C feel like 40°C, according to the IMD. The combination of moisture-laden air and strong sunshine created oppressive conditions, particularly during midday. discomfort despite the lower thermometer readings, as the body's ability to cool through sweating was impaired. Wind speeds of 6-8 km/h provided marginal relief, but the overall effect was a day that felt hotter than it was. The IMD noted that afternoon thunderstorms and light rain are possible, which could temporarily ease the humidity. However, the relief is expected to be short-lived, as temperatures are forecast to rise sharply again in two to three days.

Air Quality Worsens in Greater Noida

While temperatures moderated, air quality in Greater Noida deteriorated to the 'poor' category, with an Air Quality Index (AQI) of 226 on Wednesday. This marked a 44-point drop from the previous day, but still placed the city in a range considered unhealthy for sensitive groups. Noida fared slightly better with an AQI of 192, classified as 'moderate', down 48 points from a day earlier. The IMD forecasts that AQI levels in both cities will remain around 200 for the next six days. However, if the predicted light rain on May 4 and 5 materializes, it could help wash out pollutants and improve air quality. The dual challenge of heat and pollution underscores the region's ongoing environmental stresses.

Health Advisories Issued as Heat Stress Persists

Local doctors have issued advisories urging residents to take precautions against heat-related illnesses. They recommend staying indoors during peak sun hours, drinking plenty of water, and keeping the body hydrated. Special attention is advised for vulnerable groups — children, the elderly, and those with pre-existing health conditions — who are at higher risk of heat exhaustion and heatstroke. The advisories come as the region braces for a potential return of intense heat after the brief respite. With temperatures expected to climb again in two to three days, the window for preparation is narrow. Public health officials are emphasizing the importance of early action to prevent a spike in heat-related emergencies.

Outlook: Temporary Relief Before Heat Returns

The current spell of cooler weather is a temporary reprieve. The IMD's forecast indicates that after six days of sub-40°C temperatures, the mercury will begin to rise sharply. The light rain predicted for May 4 and 5 may offer a final burst of relief before the heatwave resumes. For now, residents are making the most of the cooler mornings and evenings. But the underlying pattern — of extreme heat punctuated by brief, unstable weather events — is a stark reminder of the region's vulnerability to climate variability. The coming weeks will test the preparedness of both the public and the authorities as summer deepens.

The bottom line

• Noida and Greater Noida experienced a 5°C drop in maximum temperature, from 41.8°C to 36.2°C, due to cloud cover and light rain.
• Humidity near 40% made the 35°C feel like 40°C, highlighting the role of moisture in perceived heat.
• Greater Noida's AQI hit 226 (poor), while Noida's was 192 (moderate); both are expected to stay around 200 for the next six days.
• IMD forecasts sub-40°C temperatures for the next six days, with light rain likely on May 4 and 5, followed by a sharp temperature rise.
• Doctors advise staying hydrated and avoiding sun exposure, especially for children, the elderly, and those with health conditions.
• The brief relief underscores the region's pattern of extreme heat interspersed with short cooling events.