Ambala vs Charkhi Dādri
Side-by-side air quality comparison between Ambala and Charkhi Dādri.
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 | Ambala | Charkhi Dādri |
|---|---|---|
| PM2.5(µg/m³) | 44.90 | 67.80 |
| PM10(µg/m³) | 117.80 | 219.30 |
| NO₂(µg/m³) | 13.20 | 11.50 |
| SO₂(µg/m³) | 11.50 | 9.90 |
| O₃(µg/m³) | 100.00 | 99.00 |
| CO(µg/m³) | 547.00 | 416.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Ambala averaged an AQI of 94 while Charkhi Dādri averaged 145 — a 51-point (54%) gap, with Charkhi Dādri the more polluted and Ambala the cleaner of the two. On 1396 days when both cities reported, Ambala was cleaner on 1008 of them; the average daily gap was 61 AQI points.
Seasonality & days
Both cities see their worst air in November on average. Ambala logged 0.2% Severe days and 46.5% Good-or-Satisfactory days; Charkhi Dādri was 0.7% Severe and 28% Good-or-Satisfactory. Longest clean-air streaks: Ambala 44 days, Charkhi Dādri 48 days.
Year-over-year progress
Ambala has improved by 52 AQI points (35.6%) from 2019 to 2024; Charkhi Dādri has improved by 51 AQI points (26%) over the same window. The worst recorded day for Ambala reached AQI 452 at Patti Mehar (HSPCB) on 2020-11-04; Charkhi Dādri hit AQI 470 at Mini Secretariat Charkhi (HSPCB) on 2021-11-12.
Station-level disparity
Ambala spans 1 CPCB stations with a 0-point spread (min 126, max 126); Charkhi Dādri spans 1 stations with a 0-point spread (min 162, max 162).
Verdict
🏆 Ambala has better air quality with an AQI of 113 compared to Charkhi Dādri's 180. That's a significant difference of 67 points.