Howrah vs Rajgir
Side-by-side air quality comparison between Howrah 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
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Howrah averaged an AQI of 126 while Rajgir averaged 124 — a 2-point (2%) gap, with Howrah the more polluted and Rajgir the cleaner of the two. On 574 days when both cities reported, Rajgir was cleaner on 351 of them; the average daily gap was 62 AQI points.
Seasonality & days
Howrah peaks in December, while Rajgir peaks in January. Howrah logged 0.7% Severe days and 48.7% Good-or-Satisfactory days; Rajgir was 0.6% Severe and 37.9% Good-or-Satisfactory. Longest clean-air streaks: Howrah 120 days, Rajgir 26 days.
Year-over-year progress
Howrah has improved by 32 AQI points (20.3%) from 2016 to 2024; Rajgir has improved by 158 AQI points (56%) over the same window. The worst recorded day for Howrah reached AQI 500 at Ghusuri (WBPCB) on 2017-04-15; Rajgir hit AQI 461 at Dangi Tola (BSPCB) on 2022-12-31.
Station-level disparity
Howrah spans 5 CPCB stations with a 116-point spread (min 111, max 227); Rajgir spans 1 stations with a 0-point spread (min 154, max 154).