Bidar vs Dehradun
Side-by-side air quality comparison between Bidar and Dehradun.
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 | Bidar | Dehradun |
|---|---|---|
| PM2.5(µg/m³) | 17.00 | 20.80 |
| PM10(µg/m³) | 24.00 | 20.80 |
| NO₂(µg/m³) | 8.50 | 41.40 |
| SO₂(µg/m³) | 2.50 | 3.80 |
| O₃(µg/m³) | 61.00 | 25.00 |
| CO(µg/m³) | 207.00 | 395.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Bidar averaged an AQI of 85 while Dehradun averaged 106 — a 21-point (25%) gap, with Dehradun the more polluted and Bidar the cleaner of the two. On 459 days when both cities reported, Bidar was cleaner on 297 of them; the average daily gap was 47 AQI points.
Seasonality & days
Both cities see their worst air in January on average. Bidar logged 0.1% Severe days and 72.5% Good-or-Satisfactory days; Dehradun was 0% Severe and 62.8% Good-or-Satisfactory. Longest clean-air streaks: Bidar 24 days, Dehradun 41 days.
Year-over-year progress
Bidar has worsened by 1 AQI points (1.2%) from 2021 to 2024; Dehradun has worsened by 19 AQI points (21.8%) over the same window. The worst recorded day for Bidar reached AQI 437 at Naubad (KSPCB) on 2022-01-25; Dehradun hit AQI 327 at Doon University (UKPCB) on 2024-01-19.
Station-level disparity
Bidar spans 1 CPCB stations with a 0-point spread (min 84, max 84); Dehradun spans 1 stations with a 0-point spread (min 98, max 98).
Verdict
🏆 Bidar has better air quality with an AQI of 28 compared to Dehradun's 35.