Palwal vs Siliguri
Side-by-side air quality comparison between Palwal 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 | Palwal | Siliguri |
|---|---|---|
| PM2.5(µg/m³) | 62.40 | 77.80 |
| PM10(µg/m³) | 136.40 | 98.30 |
| NO₂(µg/m³) | 19.70 | 11.30 |
| SO₂(µg/m³) | 10.50 | 6.80 |
| O₃(µg/m³) | 66.00 | 115.00 |
| CO(µg/m³) | 503.00 | 523.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Palwal averaged an AQI of 95 while Siliguri averaged 81 — a 14-point (17%) gap, with Palwal the more polluted and Siliguri the cleaner of the two. On 1417 days when both cities reported, Siliguri was cleaner on 982 of them; the average daily gap was 72 AQI points.
Seasonality & days
Palwal peaks in November, while Siliguri peaks in February. Palwal logged 0.2% Severe days and 47.800000000000004% Good-or-Satisfactory days; Siliguri was 0.1% Severe and 61.8% Good-or-Satisfactory. Longest clean-air streaks: Palwal 37 days, Siliguri 180 days.
Year-over-year progress
Palwal has improved by 91 AQI points (48.9%) from 2019 to 2024; Siliguri has improved by 39 AQI points (32.5%) over the same window. The worst recorded day for Palwal reached AQI 465 at Shyam Nagar (HSPCB) on 2019-11-14; Siliguri hit AQI 415 at Ward-32 Bapupara (WBPCB) on 2018-02-08.
Station-level disparity
Palwal spans 1 CPCB stations with a 0-point spread (min 120, max 120); Siliguri spans 1 stations with a 0-point spread (min 107, max 107).
Verdict
🏆 Palwal has better air quality with an AQI of 125 compared to Siliguri's 160.