Nagpur vs Siliguri
Side-by-side air quality comparison between Nagpur and Siliguri.
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 | Nagpur | Siliguri |
|---|---|---|
| PM2.5(µg/m³) | 20.30 | 82.20 |
| PM10(µg/m³) | 25.30 | 105.70 |
| NO₂(µg/m³) | 23.20 | 15.40 |
| SO₂(µg/m³) | 12.30 | 6.50 |
| O₃(µg/m³) | 42.00 | 95.00 |
| CO(µg/m³) | 174.00 | 539.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Nagpur averaged an AQI of 104 while Siliguri averaged 81 — a 23-point (28%) gap, with Nagpur the more polluted and Siliguri the cleaner of the two. On 1557 days when both cities reported, Siliguri was cleaner on 966 of them; the average daily gap was 54 AQI points.
Seasonality & days
Nagpur peaks in November, while Siliguri peaks in February. Nagpur logged 0% Severe days and 60.599999999999994% Good-or-Satisfactory days; Siliguri was 0.1% Severe and 61.8% Good-or-Satisfactory. Longest clean-air streaks: Nagpur 68 days, Siliguri 180 days.
Year-over-year progress
Nagpur has improved by 37 AQI points (26.2%) from 2017 to 2024; Siliguri has improved by 39 AQI points (32.5%) over the same window. The worst recorded day for Nagpur reached AQI 342 at Opp GPO Civil Lines (MPCB) on 2022-12-03; Siliguri hit AQI 415 at Ward-32 Bapupara (WBPCB) on 2018-02-08.
Station-level disparity
Nagpur spans 4 CPCB stations with a 9-point spread (min 98, max 107); Siliguri spans 1 stations with a 0-point spread (min 107, max 107).
Verdict
🏆 Nagpur has better air quality with an AQI of 34 compared to Siliguri's 174. That's a significant difference of 140 points.