Shillong vs Shivamogga
Side-by-side air quality comparison between Shillong and Shivamogga.
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 | Shillong | Shivamogga |
|---|---|---|
| PM2.5(µg/m³) | 24.90 | 3.00 |
| PM10(µg/m³) | 29.30 | 5.20 |
| NO₂(µg/m³) | 1.20 | 1.10 |
| SO₂(µg/m³) | 4.00 | 1.50 |
| O₃(µg/m³) | 143.00 | 78.00 |
| CO(µg/m³) | 292.00 | 115.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Shillong averaged an AQI of 75 while Shivamogga averaged 55 — a 20-point (36%) gap, with Shillong the more polluted and Shivamogga the cleaner of the two. On 751 days when both cities reported, Shillong was cleaner on 544 of them; the average daily gap was 27 AQI points.
Seasonality & days
Both cities see their worst air in February on average. Shillong logged 0% Severe days and 92% Good-or-Satisfactory days; Shivamogga was 0% Severe and 97.5% Good-or-Satisfactory. Longest clean-air streaks: Shillong 113 days, Shivamogga 233 days.
Year-over-year progress
Shillong has worsened by 41 AQI points (120.6%) from 2019 to 2024; Shivamogga has improved by 16 AQI points (22.5%) over the same window. The worst recorded day for Shillong reached AQI 212 at Lumpyngngad Shillong (PCB) on 2024-02-19; Shivamogga hit AQI 202 at Vinoba Nagara (KSPCB) on 2021-08-04.
Station-level disparity
Shillong spans 2 CPCB stations with a 2-point spread (min 42, max 44); Shivamogga spans 1 stations with a 0-point spread (min 56, max 56).
Verdict
🏆 Shivamogga has better air quality with an AQI of 5 compared to Shillong's 42.