Dehradun vs Kārwār
Side-by-side air quality comparison between Dehradun and Kārwār.
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 | Kārwār |
|---|---|---|
| PM2.5(µg/m³) | 9.10 | 5.80 |
| PM10(µg/m³) | 9.40 | 14.80 |
| NO₂(µg/m³) | 12.80 | 0.70 |
| SO₂(µg/m³) | 5.20 | 0.40 |
| O₃(µg/m³) | 122.00 | 57.00 |
| CO(µg/m³) | 317.00 | 102.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Dehradun averaged an AQI of 106 while Kārwār averaged 55 — a 51-point (93%) gap, with Dehradun the more polluted and Kārwār the cleaner of the two. On 262 days when both cities reported, Kārwār was cleaner on 229 of them; the average daily gap was 57 AQI points.
Seasonality & days
Both cities see their worst air in January on average. Dehradun logged 0% Severe days and 62.8% Good-or-Satisfactory days; Kārwār was 0% Severe and 92.7% Good-or-Satisfactory. Longest clean-air streaks: Dehradun 41 days, Kārwār 34 days.
Year-over-year progress
Dehradun has worsened by 19 AQI points (21.8%) from 2022 to 2024; Kārwār has improved by 72 AQI points (56.7%) over the same window. The worst recorded day for Dehradun reached AQI 327 at Doon University (UKPCB) on 2024-01-19; Kārwār hit AQI 222 at KHB Colony (KSPCB) on 2023-12-21.
Station-level disparity
Dehradun spans 1 CPCB stations with a 0-point spread (min 98, max 98); Kārwār spans 1 stations with a 0-point spread (min 58, max 58).
Verdict
Both Dehradun and Kārwār have the same AQI of 15 right now.