Asansol vs Rajgir
Side-by-side air quality comparison between Asansol and Rajgir.
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 | Rajgir |
|---|---|---|
| PM2.5(µg/m³) | 91.00 | 71.90 |
| PM10(µg/m³) | 96.20 | 79.40 |
| NO₂(µg/m³) | 48.00 | 27.20 |
| SO₂(µg/m³) | 91.90 | 14.60 |
| O₃(µg/m³) | 58.00 | 64.00 |
| CO(µg/m³) | 838.00 | 304.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Asansol averaged an AQI of 145 while Rajgir averaged 124 — a 21-point (17%) gap, with Asansol the more polluted and Rajgir the cleaner of the two. On 548 days when both cities reported, Rajgir was cleaner on 336 of them; the average daily gap was 67 AQI points.
Seasonality & days
Asansol peaks in December, while Rajgir peaks in January. Asansol logged 0% Severe days and 43.3% Good-or-Satisfactory days; Rajgir was 0.6% Severe and 37.9% Good-or-Satisfactory. Longest clean-air streaks: Asansol 44 days, Rajgir 26 days.
Year-over-year progress
Asansol has worsened by 12 AQI points (9%) from 2018 to 2024; Rajgir has improved by 158 AQI points (56%) over the same window. The worst recorded day for Asansol reached AQI 394 at Court Area (WBPCB) on 2022-12-13; Rajgir hit AQI 461 at Dangi Tola (BSPCB) on 2022-12-31.
Station-level disparity
Asansol spans 4 CPCB stations with a 40-point spread (min 123, max 163); Rajgir spans 1 stations with a 0-point spread (min 154, max 154).
Verdict
🏆 Rajgir has better air quality with an AQI of 140 compared to Asansol's 204. That's a significant difference of 64 points.