Ahmednagar vs Kalyān
Side-by-side air quality comparison between Ahmednagar and Kalyān.
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 | Ahmednagar | Kalyān |
|---|---|---|
| PM2.5(µg/m³) | 15.00 | 22.80 |
| PM10(µg/m³) | 28.80 | 40.50 |
| NO₂(µg/m³) | 9.30 | 23.40 |
| SO₂(µg/m³) | 9.30 | 22.10 |
| O₃(µg/m³) | 34.00 | 18.00 |
| CO(µg/m³) | 129.00 | 187.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Ahmednagar averaged an AQI of 109 while Kalyān averaged 95 — a 14-point (15%) gap, with Ahmednagar the more polluted and Kalyān the cleaner of the two. On 292 days when both cities reported, Kalyān was cleaner on 152 of them; the average daily gap was 30 AQI points.
Seasonality & days
Ahmednagar peaks in November, while Kalyān peaks in January. Ahmednagar logged 0% Severe days and 50.1% Good-or-Satisfactory days; Kalyān was 0.1% Severe and 46.4% Good-or-Satisfactory. Longest clean-air streaks: Ahmednagar 13 days, Kalyān 78 days.
Year-over-year progress
Ahmednagar has worsened by 15 AQI points (16%) from 2023 to 2024; Kalyān has improved by 4 AQI points (4%) over the same window. The worst recorded day for Ahmednagar reached AQI 259 at Tarakpur (MPCB) on 2024-12-18; Kalyān hit AQI 414 at Khadakpada (MPCB) on 2022-01-24.
Station-level disparity
Ahmednagar spans 1 CPCB stations with a 0-point spread (min 104, max 104); Kalyān spans 2 stations with a 18-point spread (min 98, max 116).
Verdict
🏆 Ahmednagar has better air quality with an AQI of 29 compared to Kalyān's 41.