Dehradun vs Tonk
Side-by-side air quality comparison between Dehradun and Tonk.
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
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Dehradun averaged an AQI of 106 while Tonk averaged 142 — a 36-point (34%) gap, with Tonk the more polluted and Dehradun the cleaner of the two. On 537 days when both cities reported, Dehradun was cleaner on 416 of them; the average daily gap was 66 AQI points.
Seasonality & days
Dehradun peaks in January, while Tonk peaks in November. Dehradun logged 0% Severe days and 62.8% Good-or-Satisfactory days; Tonk was 0% Severe and 28.200000000000003% Good-or-Satisfactory. Longest clean-air streaks: Dehradun 41 days, Tonk 11 days.
Year-over-year progress
Dehradun has worsened by 19 AQI points (21.8%) from 2022 to 2024; Tonk has improved by 14 AQI points (9%) over the same window. The worst recorded day for Dehradun reached AQI 327 at Doon University (UKPCB) on 2024-01-19; Tonk hit AQI 368 at Shastri Nagar (RSPCB) on 2023-11-17.
Station-level disparity
Dehradun spans 1 CPCB stations with a 0-point spread (min 98, max 98); Tonk spans 1 stations with a 0-point spread (min 148, max 148).