Charkhi Dādri vs Prayagraj
Side-by-side air quality comparison between Charkhi Dādri and Prayagraj.
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 | Prayagraj |
|---|---|---|
| PM2.5(µg/m³) | 49.50 | 32.10 |
| PM10(µg/m³) | 226.80 | 75.90 |
| NO₂(µg/m³) | 0.60 | 0.60 |
| SO₂(µg/m³) | 5.50 | 5.40 |
| O₃(µg/m³) | 159.00 | 155.00 |
| CO(µg/m³) | 238.00 | 202.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Charkhi Dādri averaged an AQI of 145 while Prayagraj averaged 80 — a 65-point (81%) gap, with Charkhi Dādri the more polluted and Prayagraj the cleaner of the two. On 870 days when both cities reported, Prayagraj was cleaner on 624 of them; the average daily gap was 59 AQI points.
Seasonality & days
Both cities see their worst air in November on average. Charkhi Dādri logged 0.7% Severe days and 28% Good-or-Satisfactory days; Prayagraj was 0.2% Severe and 48% Good-or-Satisfactory. Longest clean-air streaks: Charkhi Dādri 48 days, Prayagraj 69 days.
Year-over-year progress
Charkhi Dādri has improved by 51 AQI points (26%) from 2020 to 2024; Prayagraj has improved by 42 AQI points (34.4%) over the same window. The worst recorded day for Charkhi Dādri reached AQI 470 at Mini Secretariat Charkhi (HSPCB) on 2021-11-12; Prayagraj hit AQI 416 at Nagar Nigam (UPPCB) on 2021-11-08.
Station-level disparity
Charkhi Dādri spans 1 CPCB stations with a 0-point spread (min 162, max 162); Prayagraj spans 3 stations with a 9-point spread (min 96, max 105).
Verdict
🏆 Prayagraj has better air quality with an AQI of 76 compared to Charkhi Dādri's 185. That's a significant difference of 109 points.