Bangalore vs Shillong
Side-by-side air quality comparison between Bangalore 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 | Bangalore | Shillong |
|---|---|---|
| PM2.5(µg/m³) | 5.10 | 20.40 |
| PM10(µg/m³) | 6.00 | 23.70 |
| NO₂(µg/m³) | 9.70 | 4.20 |
| SO₂(µg/m³) | 4.50 | 5.70 |
| O₃(µg/m³) | 34.00 | 99.00 |
| CO(µg/m³) | 230.00 | 305.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Bangalore averaged an AQI of 74 while Shillong averaged 75 — a 1-point (1%) gap, with Shillong the more polluted and Bangalore the cleaner of the two. On 997 days when both cities reported, Shillong was cleaner on 944 of them; the average daily gap was 77 AQI points.
Seasonality & days
Bangalore peaks in March, while Shillong peaks in February. Bangalore logged 0.5% Severe days and 42.6% Good-or-Satisfactory days; Shillong was 0% Severe and 92% Good-or-Satisfactory. Longest clean-air streaks: Bangalore 31 days, Shillong 113 days.
Year-over-year progress
Bangalore has improved by 26 AQI points (26%) from 2016 to 2024; Shillong has worsened by 41 AQI points (120.6%) over the same window. The worst recorded day for Bangalore reached AQI 500 at Silk Board (KSPCB) on 2024-01-10; Shillong hit AQI 212 at Lumpyngngad Shillong (PCB) on 2024-02-19.
Station-level disparity
Bangalore spans 14 CPCB stations with a 50-point spread (min 49, max 99); Shillong spans 2 stations with a 2-point spread (min 42, max 44).
Verdict
🏆 Bangalore has better air quality with an AQI of 9 compared to Shillong's 34.