Question 1

How much rain has Baner Pune received today?

Accepted Answer

Earth Pulse monitors rainfall in Baner, Pune in real time using a Weather Union ZWL008983 ground-truth sensor (since Oct 2025). Today's total is displayed live at the top of this page, updated hourly from the sensor's rain accumulation data.

Question 2

When does the monsoon arrive in Baner, Pune?

Accepted Answer

Based on 45 years of ERA5 data and Earth Pulse sensors since 2022, the first significant monsoon rain in Baner typically arrives between June 5–15. The 1980–2025 average first-rain date is around June 10. El Niño years (1987, 1997, 2002, 2015, 2023) show consistently delayed onset, arriving 5–10 days later than average.

Question 3

How much rain does Baner Pune get annually?

Accepted Answer

ERA5 reanalysis data shows Baner's annual rainfall has averaged 650–800mm over 1980–2021. The monsoon season (June–September) accounts for over 85% of annual precipitation. The monsoon is the dominant driver of the local ecology.

Question 4

Is the Pune monsoon getting weaker or stronger?

Accepted Answer

45 years of ERA5 analysis shows no consistent long-term trend in total monsoon rainfall for Baner, but a significant increase in year-to-year variability. The 2010s had both the driest and some of the wettest monsoon seasons on record. Climate projections suggest more intense but fewer rain events going forward.

Question 5

Which decade had the most monsoon rainfall in Baner?

Accepted Answer

Based on ERA5 reanalysis for Baner, the 2000s decade had the highest average monsoon rainfall, driven by strong La Niña events in 2000 and 2010. The 1980s had the most consistent moderate rainfall. The 2010s showed the highest variability.

Question 6

Does rain improve air quality in Pune?

Accepted Answer

Yes — Earth Pulse data shows EU AQI drops by 15–30% within 1 hour of significant rainfall. Heavy monsoon rain produces the largest AQI improvements as PM2.5 and PM10 particles bind to raindrops and settle.

Question 7

How do birds in Baner respond to rain?

Accepted Answer

Bird acoustic detections drop significantly during rain as calls are masked by rainfall noise. The hour after rain sees a surge in detections — the post-monsoon dawn chorus is one of the most biodiverse soundscapes recorded at Baner Hill.

Question 8

What is ERA5 rainfall data?

Accepted Answer

ERA5 is ECMWF's fifth-generation global climate reanalysis — a model reconstructing the atmosphere since 1940 using billions of historical observations at 9km resolution. Earth Pulse uses ERA5 for the 1980–2021 baseline. Since Oct 2025, rainfall is measured by a ground-truth Weather Union sensor at Baner.

The Monsoon & Baner

🌧 Today's rain

This day across all years

This week across all years

This month across all years

45 monsoon seasons at a glance

How each decade rained differently

🔍 Compare any two periods

Monsoon tracker

When the first rain came

Year-by-year rainfall since 1980

The pattern of rain

Rain intensity breakdown

Biggest rain days on record

How the monsoon behaves

🐦 Rain & the birds of Baner

🌡 Temperature drop after rain

🧷 Rain cleans the air

Frequently asked questions