Hyderabad vs Kalyān
Side-by-side air quality comparison between Hyderabad 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 | Hyderabad | Kalyān |
|---|---|---|
| PM2.5(µg/m³) | 19.90 | 22.10 |
| PM10(µg/m³) | 27.50 | 40.40 |
| NO₂(µg/m³) | 11.90 | 23.10 |
| SO₂(µg/m³) | 5.60 | 21.70 |
| O₃(µg/m³) | 58.00 | 19.00 |
| CO(µg/m³) | 232.00 | 174.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Hyderabad averaged an AQI of 78 while Kalyān averaged 95 — a 17-point (22%) gap, with Kalyān the more polluted and Hyderabad the cleaner of the two. On 1414 days when both cities reported, Kalyān was cleaner on 824 of them; the average daily gap was 46 AQI points.
Seasonality & days
Hyderabad peaks in December, while Kalyān peaks in January. Hyderabad logged 0.2% Severe days and 41.6% Good-or-Satisfactory days; Kalyān was 0.1% Severe and 46.4% Good-or-Satisfactory. Longest clean-air streaks: Hyderabad 71 days, Kalyān 78 days.
Year-over-year progress
Hyderabad has improved by 24 AQI points (23.5%) from 2016 to 2024; Kalyān has improved by 4 AQI points (4%) over the same window. The worst recorded day for Hyderabad reached AQI 500 at Sanathnagar (TSPCB) on 2024-04-28; Kalyān hit AQI 414 at Khadakpada (MPCB) on 2022-01-24.
Station-level disparity
Hyderabad spans 14 CPCB stations with a 35-point spread (min 62, max 97); Kalyān spans 2 stations with a 18-point spread (min 98, max 116).
Verdict
🏆 Hyderabad has better air quality with an AQI of 33 compared to Kalyān's 40.