Mumbai vs Sikar
Side-by-side air quality comparison between Mumbai and Sikar.
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 | Mumbai | Sikar |
|---|---|---|
| PM2.5(µg/m³) | 17.50 | 33.60 |
| PM10(µg/m³) | 40.70 | 88.20 |
| NO₂(µg/m³) | 11.00 | 9.00 |
| SO₂(µg/m³) | 12.60 | 5.70 |
| O₃(µg/m³) | 42.00 | 76.00 |
| CO(µg/m³) | 196.00 | 146.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Mumbai averaged an AQI of 93 while Sikar averaged 139 — a 46-point (49%) gap, with Sikar the more polluted and Mumbai the cleaner of the two. On 351 days when both cities reported, Sikar was cleaner on 265 of them; the average daily gap was 59 AQI points.
Seasonality & days
Mumbai peaks in December, while Sikar peaks in January. Mumbai logged 0.5% Severe days and 34% Good-or-Satisfactory days; Sikar was 0.2% Severe and 34% Good-or-Satisfactory. Longest clean-air streaks: Mumbai 58 days, Sikar 32 days.
Year-over-year progress
Mumbai has improved by 4 AQI points (4.1%) from 2016 to 2024; Sikar has worsened by 4 AQI points (3%) over the same window. The worst recorded day for Mumbai reached AQI 500 at Vile Parle West (MPCB) on 2022-08-15; Sikar hit AQI 452 at Radhakishan Pura (RSPCB) on 2023-11-16.
Station-level disparity
Mumbai spans 29 CPCB stations with a 74-point spread (min 77, max 151); Sikar spans 1 stations with a 0-point spread (min 137, max 137).
Verdict
🏆 Mumbai has better air quality with an AQI of 41 compared to Sikar's 88.