Kalyān vs Mumbai
Side-by-side air quality comparison between Kalyān and Mumbai.
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 | Kalyān | Mumbai |
|---|---|---|
| PM2.5(µg/m³) | 22.10 | 17.80 |
| PM10(µg/m³) | 40.40 | 42.60 |
| NO₂(µg/m³) | 23.10 | 10.10 |
| SO₂(µg/m³) | 21.70 | 10.60 |
| O₃(µg/m³) | 19.00 | 42.00 |
| CO(µg/m³) | 174.00 | 173.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Kalyān averaged an AQI of 95 while Mumbai averaged 93 — a 2-point (2%) gap, with Kalyān the more polluted and Mumbai the cleaner of the two. On 1414 days when both cities reported, Kalyān was cleaner on 1282 of them; the average daily gap was 68 AQI points.
Seasonality & days
Kalyān peaks in January, while Mumbai peaks in December. Kalyān logged 0.1% Severe days and 46.4% Good-or-Satisfactory days; Mumbai was 0.5% Severe and 34% Good-or-Satisfactory. Longest clean-air streaks: Kalyān 78 days, Mumbai 58 days.
Year-over-year progress
Kalyān has improved by 4 AQI points (4%) from 2019 to 2024; Mumbai has improved by 4 AQI points (4.1%) over the same window. The worst recorded day for Kalyān reached AQI 414 at Khadakpada (MPCB) on 2022-01-24; Mumbai hit AQI 500 at Vile Parle West (MPCB) on 2022-08-15.
Station-level disparity
Kalyān spans 2 CPCB stations with a 18-point spread (min 98, max 116); Mumbai spans 29 stations with a 74-point spread (min 77, max 151).
Verdict
🏆 Kalyān has better air quality with an AQI of 40 compared to Mumbai's 43.