Dehradun vs Shivamogga
Side-by-side air quality comparison between Dehradun 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 | Dehradun | Shivamogga |
|---|---|---|
| PM2.5(µg/m³) | 14.40 | 6.90 |
| PM10(µg/m³) | 14.60 | 9.10 |
| NO₂(µg/m³) | 25.40 | 5.20 |
| SO₂(µg/m³) | 4.10 | 1.90 |
| O₃(µg/m³) | 71.00 | 35.00 |
| CO(µg/m³) | 350.00 | 137.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Dehradun averaged an AQI of 106 while Shivamogga averaged 55 — a 51-point (93%) gap, with Dehradun the more polluted and Shivamogga the cleaner of the two. On 779 days when both cities reported, Shivamogga was cleaner on 605 of them; the average daily gap was 49 AQI points.
Seasonality & days
Dehradun peaks in January, while Shivamogga peaks in February. Dehradun logged 0% Severe days and 62.8% Good-or-Satisfactory days; Shivamogga was 0% Severe and 97.5% Good-or-Satisfactory. Longest clean-air streaks: Dehradun 41 days, Shivamogga 233 days.
Year-over-year progress
Dehradun has worsened by 19 AQI points (21.8%) from 2022 to 2024; Shivamogga has improved by 16 AQI points (22.5%) over the same window. The worst recorded day for Dehradun reached AQI 327 at Doon University (UKPCB) on 2024-01-19; Shivamogga hit AQI 202 at Vinoba Nagara (KSPCB) on 2021-08-04.
Station-level disparity
Dehradun spans 1 CPCB stations with a 0-point spread (min 98, max 98); Shivamogga spans 1 stations with a 0-point spread (min 56, max 56).
Verdict
🏆 Shivamogga has better air quality with an AQI of 12 compared to Dehradun's 24.