Dehradun vs Maihar
Side-by-side air quality comparison between Dehradun and Maihar.
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 | Maihar |
|---|---|---|
| PM2.5(µg/m³) | 14.40 | 33.30 |
| PM10(µg/m³) | 14.60 | 49.70 |
| NO₂(µg/m³) | 25.40 | 16.50 |
| SO₂(µg/m³) | 4.10 | 10.40 |
| O₃(µg/m³) | 71.00 | 64.00 |
| CO(µg/m³) | 350.00 | 320.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Dehradun averaged an AQI of 106 while Maihar averaged 59 — a 47-point (80%) gap, with Dehradun the more polluted and Maihar the cleaner of the two. On 562 days when both cities reported, Maihar was cleaner on 467 of them; the average daily gap was 59 AQI points.
Seasonality & days
Dehradun peaks in January, while Maihar peaks in December. Dehradun logged 0% Severe days and 62.8% Good-or-Satisfactory days; Maihar was 0% Severe and 94.4% Good-or-Satisfactory. Longest clean-air streaks: Dehradun 41 days, Maihar 72 days.
Year-over-year progress
Dehradun has worsened by 19 AQI points (21.8%) from 2022 to 2024; Maihar has improved by 9 AQI points (13.2%) over the same window. The worst recorded day for Dehradun reached AQI 327 at Doon University (UKPCB) on 2024-01-19; Maihar hit AQI 262 at Sahilara Maihar (Cements) on 2022-08-25.
Station-level disparity
Dehradun spans 1 CPCB stations with a 0-point spread (min 98, max 98); Maihar spans 1 stations with a 0-point spread (min 56, max 56).
Verdict
🏆 Dehradun has better air quality with an AQI of 24 compared to Maihar's 56.