Ghaziabad vs Kārwār
Side-by-side air quality comparison between Ghaziabad and Kārwār.
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 | Ghaziabad | Kārwār |
|---|---|---|
| PM2.5(µg/m³) | 71.90 | 7.10 |
| PM10(µg/m³) | 97.30 | 19.60 |
| NO₂(µg/m³) | 36.60 | 0.70 |
| SO₂(µg/m³) | 11.50 | 0.40 |
| O₃(µg/m³) | 36.00 | 54.00 |
| CO(µg/m³) | 522.00 | 95.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Ghaziabad averaged an AQI of 177 while Kārwār averaged 55 — a 122-point (222%) gap, with Ghaziabad the more polluted and Kārwār the cleaner of the two. On 263 days when both cities reported, Kārwār was cleaner on 262 of them; the average daily gap was 157 AQI points.
Seasonality & days
Ghaziabad peaks in November, while Kārwār peaks in January. Ghaziabad logged 12.2% Severe days and 13.700000000000001% Good-or-Satisfactory days; Kārwār was 0% Severe and 92.7% Good-or-Satisfactory. Longest clean-air streaks: Ghaziabad 19 days, Kārwār 34 days.
Year-over-year progress
Ghaziabad has improved by 115 AQI points (39.4%) from 2017 to 2024; Kārwār has improved by 72 AQI points (56.7%) over the same window. The worst recorded day for Ghaziabad reached AQI 500 at Vasundhara (UPPCB) on 2017-12-21; Kārwār hit AQI 222 at KHB Colony (KSPCB) on 2023-12-21.
Station-level disparity
Ghaziabad spans 4 CPCB stations with a 30-point spread (min 198, max 228); Kārwār spans 1 stations with a 0-point spread (min 58, max 58).
Verdict
🏆 Kārwār has better air quality with an AQI of 20 compared to Ghaziabad's 140. That's a significant difference of 120 points.