Howrah vs Nayāgarh
Side-by-side air quality comparison between Howrah and Nayāgarh.
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 Nayāgarh averaged 98 — a 28-point (29%) gap, with Howrah the more polluted and Nayāgarh the cleaner of the two. On 322 days when both cities reported, Nayāgarh was cleaner on 258 of them; the average daily gap was 88 AQI points.
Seasonality & days
Howrah peaks in December, while Nayāgarh peaks in April. Howrah logged 0.7% Severe days and 48.7% Good-or-Satisfactory days; Nayāgarh was 0% Severe and 47.400000000000006% Good-or-Satisfactory. Longest clean-air streaks: Howrah 120 days, Nayāgarh 52 days.
Year-over-year progress
Howrah has improved by 32 AQI points (20.3%) from 2016 to 2024; Nayāgarh has improved by 48 AQI points (32.9%) over the same window. The worst recorded day for Howrah reached AQI 500 at Ghusuri (WBPCB) on 2017-04-15; Nayāgarh hit AQI 336 at Dabuna (OSPCB) on 2023-03-13.
Station-level disparity
Howrah spans 5 CPCB stations with a 116-point spread (min 111, max 227); Nayāgarh spans 1 stations with a 0-point spread (min 116, max 116).