Dewās vs Ghaziabad
Side-by-side air quality comparison between Dewās and Ghaziabad.
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 | Dewās | Ghaziabad |
|---|---|---|
| PM2.5(µg/m³) | 32.60 | 71.90 |
| PM10(µg/m³) | 47.00 | 97.30 |
| NO₂(µg/m³) | 6.50 | 36.60 |
| SO₂(µg/m³) | 12.50 | 11.50 |
| O₃(µg/m³) | 74.00 | 36.00 |
| CO(µg/m³) | 243.00 | 522.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Dewās averaged an AQI of 98 while Ghaziabad averaged 177 — a 79-point (81%) gap, with Ghaziabad the more polluted and Dewās the cleaner of the two. On 2107 days when both cities reported, Dewās was cleaner on 1994 of them; the average daily gap was 143 AQI points.
Seasonality & days
Dewās peaks in December, while Ghaziabad peaks in November. Dewās logged 0% Severe days and 47.7% Good-or-Satisfactory days; Ghaziabad was 12.2% Severe and 13.700000000000001% Good-or-Satisfactory. Longest clean-air streaks: Dewās 101 days, Ghaziabad 19 days.
Year-over-year progress
Dewās has improved by 48 AQI points (32.9%) from 2017 to 2024; Ghaziabad has improved by 115 AQI points (39.4%) over the same window. The worst recorded day for Dewās reached AQI 327 at Bhopal Chauraha (MPPCB) on 2023-07-01; Ghaziabad hit AQI 500 at Vasundhara (UPPCB) on 2017-12-21.
Station-level disparity
Dewās spans 1 CPCB stations with a 0-point spread (min 106, max 106); Ghaziabad spans 4 stations with a 30-point spread (min 198, max 228).
Verdict
🏆 Dewās has better air quality with an AQI of 55 compared to Ghaziabad's 140. That's a significant difference of 85 points.