Pune vs Shillong
Side-by-side air quality comparison between Pune and Shillong.
Live AQI from Open-Meteo CAMS (~45 km global model, updated hourly). Multi-year history from CPCB station data via aqinow.co pipeline (2016–2024, station-level daily records).
AQI Comparison
Pollutant-level comparison (PM2.5, PM10, O3, NO2, SO2, CO)▾
| Pollutant | Pune | Shillong |
|---|---|---|
| PM2.5(µg/m³) | 16.30 | 17.90 |
| PM10(µg/m³) | 35.50 | 21.40 |
| NO₂(µg/m³) | 10.00 | 3.10 |
| SO₂(µg/m³) | 9.20 | 6.20 |
| O₃(µg/m³) | 36.00 | 118.00 |
| CO(µg/m³) | 152.00 | 304.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Pune averaged an AQI of 97 while Shillong averaged 75 — a 22-point (29%) gap, with Pune the more polluted and Shillong the cleaner of the two. On 807 days when both cities reported, Shillong was cleaner on 771 of them; the average daily gap was 88 AQI points.
Seasonality & days
Pune peaks in November, while Shillong peaks in February. Pune logged 0.1% Severe days and 44.8% Good-or-Satisfactory days; Shillong was 0% Severe and 92% Good-or-Satisfactory. Longest clean-air streaks: Pune 92 days, Shillong 113 days.
Year-over-year progress
Pune has improved by 7 AQI points (6.7%) from 2017 to 2024; Shillong has worsened by 41 AQI points (120.6%) over the same window. The worst recorded day for Pune reached AQI 435 at Alandi (IITM) on 2024-01-29; Shillong hit AQI 212 at Lumpyngngad Shillong (PCB) on 2024-02-19.
Station-level disparity
Pune spans 12 CPCB stations with a 54-point spread (min 68, max 122); Shillong spans 2 stations with a 2-point spread (min 42, max 44).
Verdict
🏆 Shillong has better air quality with an AQI of 30 compared to Pune's 36.