Howrah vs Maihar
Side-by-side air quality comparison between Howrah and Maihar.
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 | Howrah | Maihar |
|---|---|---|
| PM2.5(µg/m³) | 68.70 | 34.00 |
| PM10(µg/m³) | 72.60 | 52.90 |
| NO₂(µg/m³) | 22.20 | 22.80 |
| SO₂(µg/m³) | 11.50 | 9.90 |
| O₃(µg/m³) | 55.00 | 46.00 |
| CO(µg/m³) | 360.00 | 334.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Howrah averaged an AQI of 126 while Maihar averaged 59 — a 67-point (114%) gap, with Howrah the more polluted and Maihar the cleaner of the two. On 1226 days when both cities reported, Maihar was cleaner on 1101 of them; the average daily gap was 113 AQI points.
Seasonality & days
Both cities see their worst air in December on average. Howrah logged 0.7% Severe days and 48.7% Good-or-Satisfactory days; Maihar was 0% Severe and 94.4% Good-or-Satisfactory. Longest clean-air streaks: Howrah 120 days, Maihar 72 days.
Year-over-year progress
Howrah has improved by 32 AQI points (20.3%) from 2016 to 2024; Maihar has improved by 9 AQI points (13.2%) over the same window. The worst recorded day for Howrah reached AQI 500 at Ghusuri (WBPCB) on 2017-04-15; Maihar hit AQI 262 at Sahilara Maihar (Cements) on 2022-08-25.
Station-level disparity
Howrah spans 5 CPCB stations with a 116-point spread (min 111, max 227); Maihar spans 1 stations with a 0-point spread (min 56, max 56).
Verdict
🏆 Maihar has better air quality with an AQI of 58 compared to Howrah's 130. That's a significant difference of 72 points.