Dehradun vs Tirupati
Side-by-side air quality comparison between Dehradun and Tirupati.
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 Tirupati averaged 75 — a 31-point (41%) gap, with Dehradun the more polluted and Tirupati the cleaner of the two. On 413 days when both cities reported, Tirupati was cleaner on 250 of them; the average daily gap was 59 AQI points.
Seasonality & days
Dehradun peaks in January, while Tirupati peaks in April. Dehradun logged 0% Severe days and 62.8% Good-or-Satisfactory days; Tirupati was 0% Severe and 84% Good-or-Satisfactory. Longest clean-air streaks: Dehradun 41 days, Tirupati 36 days.
Year-over-year progress
Dehradun has worsened by 19 AQI points (21.8%) from 2022 to 2024; Tirupati has improved by 20 AQI points (21.1%) over the same window. The worst recorded day for Dehradun reached AQI 327 at Doon University (UKPCB) on 2024-01-19; Tirupati hit AQI 263 at Vaikuntapuram (APPCB) on 2022-11-16.
Station-level disparity
Dehradun spans 1 CPCB stations with a 0-point spread (min 98, max 98); Tirupati spans 1 stations with a 0-point spread (min 75, max 75).