Damoh vs Purnia
Side-by-side air quality comparison between Damoh and Purnia.
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 | Damoh | Purnia |
|---|---|---|
| PM2.5(µg/m³) | 26.40 | 112.00 |
| PM10(µg/m³) | 46.40 | 115.70 |
| NO₂(µg/m³) | 13.00 | 31.10 |
| SO₂(µg/m³) | 3.90 | 18.40 |
| O₃(µg/m³) | 51.00 | 42.00 |
| CO(µg/m³) | 212.00 | 756.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Damoh averaged an AQI of 87 while Purnia averaged 133 — a 46-point (53%) gap, with Purnia the more polluted and Damoh the cleaner of the two. On 660 days when both cities reported, Damoh was cleaner on 605 of them; the average daily gap was 121 AQI points.
Seasonality & days
Damoh peaks in December, while Purnia peaks in January. Damoh logged 0% Severe days and 76.2% Good-or-Satisfactory days; Purnia was 3.7% Severe and 33.699999999999996% Good-or-Satisfactory. Longest clean-air streaks: Damoh 56 days, Purnia 14 days.
Year-over-year progress
Damoh has improved by 118 AQI points (57.6%) from 2018 to 2024; Purnia has improved by 163 AQI points (55.1%) over the same window. The worst recorded day for Damoh reached AQI 358 at Shrivastav Colony (MPPCB) on 2018-12-27; Purnia hit AQI 460 at Mariam Nagar (BSPCB) on 2022-12-15.
Station-level disparity
Damoh spans 1 CPCB stations with a 0-point spread (min 75, max 75); Purnia spans 1 stations with a 0-point spread (min 176, max 176).
Verdict
🏆 Damoh has better air quality with an AQI of 46 compared to Purnia's 274. That's a significant difference of 228 points.