Asansol vs Nagpur
Side-by-side air quality comparison between Asansol and Nagpur.
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 | Asansol | Nagpur |
|---|---|---|
| PM2.5(µg/m³) | 94.30 | 20.30 |
| PM10(µg/m³) | 100.60 | 25.30 |
| NO₂(µg/m³) | 49.40 | 23.20 |
| SO₂(µg/m³) | 84.00 | 12.30 |
| O₃(µg/m³) | 41.00 | 42.00 |
| CO(µg/m³) | 775.00 | 174.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Asansol averaged an AQI of 145 while Nagpur averaged 104 — a 41-point (39%) gap, with Asansol the more polluted and Nagpur the cleaner of the two. On 1587 days when both cities reported, Nagpur was cleaner on 1076 of them; the average daily gap was 57 AQI points.
Seasonality & days
Asansol peaks in December, while Nagpur peaks in November. Asansol logged 0% Severe days and 43.3% Good-or-Satisfactory days; Nagpur was 0% Severe and 60.599999999999994% Good-or-Satisfactory. Longest clean-air streaks: Asansol 44 days, Nagpur 68 days.
Year-over-year progress
Asansol has worsened by 12 AQI points (9%) from 2018 to 2024; Nagpur has improved by 37 AQI points (26.2%) over the same window. The worst recorded day for Asansol reached AQI 394 at Court Area (WBPCB) on 2022-12-13; Nagpur hit AQI 342 at Opp GPO Civil Lines (MPCB) on 2022-12-03.
Station-level disparity
Asansol spans 4 CPCB stations with a 40-point spread (min 123, max 163); Nagpur spans 4 stations with a 9-point spread (min 98, max 107).
Verdict
🏆 Nagpur has better air quality with an AQI of 34 compared to Asansol's 215. That's a significant difference of 181 points.