Dehradun vs Pimpri-Chinchwad
Side-by-side air quality comparison between Dehradun and Pimpri-Chinchwad.
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 | Pimpri-Chinchwad |
|---|---|---|
| PM2.5(µg/m³) | 18.70 | 16.10 |
| PM10(µg/m³) | 18.70 | 34.70 |
| NO₂(µg/m³) | 35.70 | 9.60 |
| SO₂(µg/m³) | 3.50 | 8.00 |
| O₃(µg/m³) | 34.00 | 35.00 |
| CO(µg/m³) | 379.00 | 137.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Dehradun averaged an AQI of 106 while Pimpri-Chinchwad averaged 114 — a 8-point (8%) gap, with Pimpri-Chinchwad the more polluted and Dehradun the cleaner of the two. On 344 days when both cities reported, Dehradun was cleaner on 242 of them; the average daily gap was 63 AQI points.
Seasonality & days
Dehradun peaks in January, while Pimpri-Chinchwad peaks in November. Dehradun logged 0% Severe days and 62.8% Good-or-Satisfactory days; Pimpri-Chinchwad was 0% Severe and 42% Good-or-Satisfactory. Longest clean-air streaks: Dehradun 41 days, Pimpri-Chinchwad 82 days.
Year-over-year progress
The worst recorded day for Dehradun reached AQI 327 at Doon University (UKPCB) on 2024-01-19; Pimpri-Chinchwad hit AQI 341 at Thergaon Pimpri (MPCB) on 2024-11-23.
Station-level disparity
Dehradun spans 1 CPCB stations with a 0-point spread (min 98, max 98); Pimpri-Chinchwad spans 4 stations with a 20-point spread (min 107, max 127).
Verdict
🏆 Dehradun has better air quality with an AQI of 31 compared to Pimpri-Chinchwad's 35.