Earth Pulse Weekly: Baner's Air, Birds & Weather | 21 Sept 2026 – 27 Sept 2026
Moderate week for Baner
As the monsoon's grip loosens over the Sahyadris, our Earth Pulse at Baner recorded a week of shifting atmospheric moods. While the average AQI settled at a relatively pleasant 44.5, a significant portion of the week saw 'Good' air quality (31% of hours), a welcome respite from the dusty whispers of the dry season. However, the mercury nudged towards a summer-like 33.95°C, a stark contrast to the historical average for this late September week. This warmth, coupled with a modest 18mm of rain across just one day, created a delicate ecological balance, prompting whispers of change in the very air we breathe.
🔄 Compared to Last Week
How did this week (2026-09-21 – 2026-09-27) differ from the week before?
🌿 Ecological Signals This Week
What do the numbers imply about life on Baner Hill? Sensor data interpreted through an ecological lens.
💨 Air Quality — Baner, Pune
🌡️ Temperature & Rain — Baner, Pune
Monsoon & rainfall history → · Temperature history →
🕰️ Historical Pulse: Week 39 in Context (1980–2021)
ERA5 ⓘ is a global atmospheric reanalysis that reconstructs daily weather back to 1940. Earth Pulse uses 42 years of ERA5 data (1980–2021) for Baner Hill — giving local context that raw sensor data, which only began in 2022, cannot provide on its own.
ERA5 is a climate reanalysis product — model-derived, not direct sensor measurement. Valid for long-term trend analysis. Explore 45 years of Baner climate →
🐦 Birds of the Week — Baner Hill
📊 Species Momentum — Baner Hill
How did each species trend compared to last week? ↑ more calls this week · ↓ fewer calls · → stable.
🆕 New to the Neighbourhood
🌳 Tree of the Week — Baner Hill
One of the trees growing on Baner Hill, identified by the Earth Pulse plant monitoring network.
🎵 Soundscape Health — Baner Hill South
Acoustic ecology from baner_south_01 — continuous soundscape monitoring facing Baner Hill. NDSI (Natural Sound Index) measures the balance of biophony (birds, insects, wind) vs anthrophony (traffic, construction, human noise). Higher = healthier soundscape.
Monitored by baner_south_01 — Raspberry Pi 3B facing Baner Hill, recording 60 seconds every 30 minutes. NDSI computed using the soundecology methodology.
✨ Moments That Mattered
📅 Same Week — Last 4 Years in Baner
Comparing the same dates (2026-09-21 to 2026-09-27) in previous years — all data from Earth Pulse sensor monitoring at Baner Hill.
- AQI averaged 28.3 — this week was 16.2 pts hazier ↑
- Temperature averaged 23.3°C — this week was 3.4° warmer
- Typical rain was 84.8mm — this week had 18mm
Monitoring Baner since 2022 — patterns invisible to daily observation become clear over time. View full climate history →
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🔮 The Week Ahead — Baner, Pune
The symphony of avian life continues its poignant melody. Our sensors captured 2828 bird detections, cataloging 88 species, with the Ashy Prinia, our most prolific singer this week, making a notable -78% dip in its vocalizations. Perhaps the late September heat, exceeding last year's average temperature by nearly 11°C, is influencing their dawn chorus timing. We also welcomed back the melodious notes of the Greenish Warbler and the rare, ground-dwelling Greater Painted-Snipe, while the fleeting presence of the Common Kingfisher, Scaly-breasted Munia, and Baya Weaver signals the ongoing ebb and flow of our resident biodiversity. The Oriental Magpie-Robin, a perennial favorite, continues to grace our soundscapes.
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Frequently Asked Questions
What was the AQI in Baner, Pune this week?
EU AQI in Baner ranged from 21 to 76 this week (2026-09-21 to 2026-09-27), averaging 44.5. Values below 40 are "Good", above 100 are unhealthy. See full AQI history →
Which birds were detected on Baner Hill this week?
Earth Pulse detected 88 bird species at Baner Hill this week using BirdNET acoustic AI — 2828 total calls logged. Standout species: Oriental Magpie-Robin. See all species →
What was the temperature in Baner, Pune this week?
Temperatures in Baner ranged from 22.3°C to 33.95°C this week, averaging 26.7°C. See temperature history →
How unusual was this week's weather compared to historical records in Baner?
Earth Pulse holds 42 years of ERA5 climate reanalysis data for Baner Hill (1980–2021). This week's average temperature of 26.7°C compares to a historical norm of 23.5°C for this period. Explore 45-year climate →
How does this week compare to previous years in Baner?
Earth Pulse has monitored Baner since 2022. For the same week in previous years: 2025: AQI avg 23.6, temp avg 22.9°C, rain 49.4mm · 2024: AQI avg 39.4, temp avg 23.8°C, rain 131.6mm · 2023: AQI avg 20.1, temp avg 23.9°C, rain 144.4mm · 2022: AQI avg 30.1, temp avg 22.5°C, rain 13.8mm. Full climate history →