Bhopal vs Kalyān
Side-by-side air quality comparison between Bhopal 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 | Bhopal | Kalyān |
|---|---|---|
| PM2.5(µg/m³) | 27.90 | 22.10 |
| PM10(µg/m³) | 45.20 | 40.40 |
| NO₂(µg/m³) | 6.80 | 23.10 |
| SO₂(µg/m³) | 5.70 | 21.70 |
| O₃(µg/m³) | 67.00 | 19.00 |
| CO(µg/m³) | 260.00 | 174.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Bhopal averaged an AQI of 114 while Kalyān averaged 95 — a 19-point (20%) gap, with Bhopal the more polluted and Kalyān the cleaner of the two. On 1317 days when both cities reported, Kalyān was cleaner on 744 of them; the average daily gap was 48 AQI points.
Seasonality & days
Bhopal peaks in November, while Kalyān peaks in January. Bhopal logged 0% Severe days and 38.4% Good-or-Satisfactory days; Kalyān was 0.1% Severe and 46.4% Good-or-Satisfactory. Longest clean-air streaks: Bhopal 47 days, Kalyān 78 days.
Year-over-year progress
Bhopal has improved by 39 AQI points (25.5%) from 2019 to 2024; Kalyān has improved by 4 AQI points (4%) over the same window. The worst recorded day for Bhopal reached AQI 392 at T T Nagar (MPPCB) on 2022-01-06; Kalyān hit AQI 414 at Khadakpada (MPCB) on 2022-01-24.
Station-level disparity
Bhopal spans 3 CPCB stations with a 18-point spread (min 111, max 129); 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 Bhopal's 47.