Dehradun vs Kadapa
Side-by-side air quality comparison between Dehradun and Kadapa.
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 | Kadapa |
|---|---|---|
| PM2.5(µg/m³) | 18.70 | 6.00 |
| PM10(µg/m³) | 18.70 | 7.60 |
| NO₂(µg/m³) | 35.70 | 6.90 |
| SO₂(µg/m³) | 3.50 | 4.50 |
| O₃(µg/m³) | 34.00 | 56.00 |
| CO(µg/m³) | 379.00 | 179.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Dehradun averaged an AQI of 106 while Kadapa averaged 62 — a 44-point (71%) gap, with Dehradun the more polluted and Kadapa the cleaner of the two. On 459 days when both cities reported, Kadapa was cleaner on 347 of them; the average daily gap was 55 AQI points.
Seasonality & days
Dehradun peaks in January, while Kadapa peaks in February. Dehradun logged 0% Severe days and 62.8% Good-or-Satisfactory days; Kadapa was 0% Severe and 87.80000000000001% Good-or-Satisfactory. Longest clean-air streaks: Dehradun 41 days, Kadapa 72 days.
Year-over-year progress
Dehradun has worsened by 19 AQI points (21.8%) from 2022 to 2024; Kadapa has improved by 6 AQI points (8.8%) over the same window. The worst recorded day for Dehradun reached AQI 327 at Doon University (UKPCB) on 2024-01-19; Kadapa hit AQI 260 at Yerramukkapalli (APPCB) on 2024-12-11.
Station-level disparity
Dehradun spans 1 CPCB stations with a 0-point spread (min 98, max 98); Kadapa spans 1 stations with a 0-point spread (min 65, max 65).
Verdict
🏆 Kadapa has better air quality with an AQI of 10 compared to Dehradun's 31.