Alwar vs Mumbai
Side-by-side air quality comparison between Alwar 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 | Alwar | Mumbai |
|---|---|---|
| PM2.5(µg/m³) | 58.70 | 17.50 |
| PM10(µg/m³) | 158.30 | 40.70 |
| NO₂(µg/m³) | 14.30 | 11.00 |
| SO₂(µg/m³) | 8.50 | 12.60 |
| O₃(µg/m³) | 76.00 | 42.00 |
| CO(µg/m³) | 357.00 | 196.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Alwar averaged an AQI of 88 while Mumbai averaged 93 — a 5-point (6%) gap, with Mumbai the more polluted and Alwar the cleaner of the two. On 2017 days when both cities reported, Alwar was cleaner on 1662 of them; the average daily gap was 84 AQI points.
Seasonality & days
Alwar peaks in November, while Mumbai peaks in December. Alwar logged 0% Severe days and 70.2% Good-or-Satisfactory days; Mumbai was 0.5% Severe and 34% Good-or-Satisfactory. Longest clean-air streaks: Alwar 97 days, Mumbai 58 days.
Year-over-year progress
Alwar has improved by 125 AQI points (58.7%) from 2017 to 2024; Mumbai has improved by 4 AQI points (4.1%) over the same window. The worst recorded day for Alwar reached AQI 356 at Moti Doongri (RSPCB) on 2017-11-11; Mumbai hit AQI 500 at Vile Parle West (MPCB) on 2022-08-15.
Station-level disparity
Alwar spans 1 CPCB stations with a 0-point spread (min 95, max 95); Mumbai spans 29 stations with a 74-point spread (min 77, max 151).
Verdict
🏆 Mumbai has better air quality with an AQI of 41 compared to Alwar's 139. That's a significant difference of 98 points.