Chandrapur vs Howrah
Side-by-side air quality comparison between Chandrapur and Howrah.
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 | Chandrapur | Howrah |
|---|---|---|
| PM2.5(µg/m³) | 22.50 | 64.70 |
| PM10(µg/m³) | 32.50 | 69.40 |
| NO₂(µg/m³) | 9.80 | 18.10 |
| SO₂(µg/m³) | 13.50 | 13.10 |
| O₃(µg/m³) | 87.00 | 86.00 |
| CO(µg/m³) | 183.00 | 421.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2022, Chandrapur averaged an AQI of 123 while Howrah averaged 126 — a 3-point (2%) gap, with Howrah the more polluted and Chandrapur the cleaner of the two. On 1404 days when both cities reported, Chandrapur was cleaner on 986 of them; the average daily gap was 82 AQI points.
Seasonality & days
Chandrapur peaks in March, while Howrah peaks in December. Chandrapur logged 0.3% Severe days and 58.800000000000004% Good-or-Satisfactory days; Howrah was 0.7% Severe and 48.7% Good-or-Satisfactory. Longest clean-air streaks: Chandrapur 37 days, Howrah 120 days.
Year-over-year progress
Chandrapur has improved by 1 AQI points (0.8%) from 2017 to 2022; Howrah has improved by 32 AQI points (20.3%) over the same window. The worst recorded day for Chandrapur reached AQI 500 at MIDC Khutala (MPCB) on 2017-11-14; Howrah hit AQI 500 at Ghusuri (WBPCB) on 2017-04-15.
Station-level disparity
Chandrapur spans 1 CPCB stations with a 0-point spread (min 100, max 100); Howrah spans 5 stations with a 116-point spread (min 111, max 227).
Verdict
🏆 Chandrapur has better air quality with an AQI of 38 compared to Howrah's 117. That's a significant difference of 79 points.