Indore vs Kalyān
Side-by-side air quality comparison between Indore 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 | Indore | Kalyān |
|---|---|---|
| PM2.5(µg/m³) | 32.60 | 22.10 |
| PM10(µg/m³) | 47.00 | 40.40 |
| NO₂(µg/m³) | 6.50 | 23.10 |
| SO₂(µg/m³) | 12.50 | 21.70 |
| O₃(µg/m³) | 74.00 | 19.00 |
| CO(µg/m³) | 254.00 | 174.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Indore averaged an AQI of 84 while Kalyān averaged 95 — a 11-point (13%) gap, with Kalyān the more polluted and Indore the cleaner of the two. On 1319 days when both cities reported, Kalyān was cleaner on 734 of them; the average daily gap was 43 AQI points.
Seasonality & days
Indore peaks in November, while Kalyān peaks in January. Indore logged 0% Severe days and 45.099999999999994% Good-or-Satisfactory days; Kalyān was 0.1% Severe and 46.4% Good-or-Satisfactory. Longest clean-air streaks: Indore 65 days, Kalyān 78 days.
Year-over-year progress
Indore has improved by 47 AQI points (35.9%) from 2019 to 2024; Kalyān has improved by 4 AQI points (4%) over the same window. The worst recorded day for Indore reached AQI 359 at Maguda Nagar (IMC) on 2024-09-18; Kalyān hit AQI 414 at Khadakpada (MPCB) on 2022-01-24.
Station-level disparity
Indore spans 6 CPCB stations with a 69-point spread (min 52, max 121); Kalyān spans 2 stations with a 18-point spread (min 98, max 116).
Verdict
🏆 Kalyān has better air quality with an AQI of 40 compared to Indore's 55.