Charkhi Dādri vs Sasaram
Side-by-side air quality comparison between Charkhi Dādri and Sasaram.
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 | Charkhi Dādri | Sasaram |
|---|---|---|
| PM2.5(µg/m³) | 64.70 | 69.80 |
| PM10(µg/m³) | 194.20 | 80.30 |
| NO₂(µg/m³) | 12.60 | 15.10 |
| SO₂(µg/m³) | 9.40 | 14.40 |
| O₃(µg/m³) | 83.00 | 101.00 |
| CO(µg/m³) | 490.00 | 627.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Charkhi Dādri averaged an AQI of 145 while Sasaram averaged 109 — a 36-point (33%) gap, with Charkhi Dādri the more polluted and Sasaram the cleaner of the two. On 888 days when both cities reported, Sasaram was cleaner on 565 of them; the average daily gap was 71 AQI points.
Seasonality & days
Charkhi Dādri peaks in November, while Sasaram peaks in January. Charkhi Dādri logged 0.7% Severe days and 28% Good-or-Satisfactory days; Sasaram was 0.1% Severe and 37% Good-or-Satisfactory. Longest clean-air streaks: Charkhi Dādri 48 days, Sasaram 27 days.
Year-over-year progress
Charkhi Dādri has improved by 51 AQI points (26%) from 2020 to 2024; Sasaram has improved by 166 AQI points (60.4%) over the same window. The worst recorded day for Charkhi Dādri reached AQI 470 at Mini Secretariat Charkhi (HSPCB) on 2021-11-12; Sasaram hit AQI 401 at Dada Peer (BSPCB) on 2021-11-28.
Station-level disparity
Charkhi Dādri spans 1 CPCB stations with a 0-point spread (min 162, max 162); Sasaram spans 1 stations with a 0-point spread (min 148, max 148).
Verdict
🏆 Sasaram has better air quality with an AQI of 133 compared to Charkhi Dādri's 163.