Begusarai vs Dehradun
Side-by-side air quality comparison between Begusarai 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 | Begusarai | Dehradun |
|---|---|---|
| PM2.5(µg/m³) | 93.40 | 14.40 |
| PM10(µg/m³) | 103.60 | 14.60 |
| NO₂(µg/m³) | 41.50 | 25.40 |
| SO₂(µg/m³) | 17.90 | 4.10 |
| O₃(µg/m³) | 64.00 | 71.00 |
| CO(µg/m³) | 637.00 | 350.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Begusarai averaged an AQI of 128 while Dehradun averaged 106 — a 22-point (21%) gap, with Begusarai the more polluted and Dehradun the cleaner of the two. On 297 days when both cities reported, Dehradun was cleaner on 248 of them; the average daily gap was 121 AQI points.
Seasonality & days
Both cities see their worst air in January on average. Begusarai logged 8.7% Severe days and 20.8% Good-or-Satisfactory days; Dehradun was 0% Severe and 62.8% Good-or-Satisfactory. Longest clean-air streaks: Begusarai 14 days, Dehradun 41 days.
Year-over-year progress
Begusarai has improved by 137 AQI points (51.7%) from 2023 to 2024; Dehradun has worsened by 19 AQI points (21.8%) over the same window. The worst recorded day for Begusarai reached AQI 469 at Lohiyanagar (BSPCB) on 2023-01-14; Dehradun hit AQI 327 at Doon University (UKPCB) on 2024-01-19.
Station-level disparity
Begusarai spans 1 CPCB stations with a 0-point spread (min 213, max 213); Dehradun spans 1 stations with a 0-point spread (min 98, max 98).
Verdict
🏆 Dehradun has better air quality with an AQI of 24 compared to Begusarai's 212. That's a significant difference of 188 points.