Bareilly vs Howrah
Side-by-side air quality comparison between Bareilly 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 | Bareilly | Howrah |
|---|---|---|
| PM2.5(µg/m³) | 76.40 | 68.70 |
| PM10(µg/m³) | 106.60 | 72.60 |
| NO₂(µg/m³) | 44.80 | 22.20 |
| SO₂(µg/m³) | 9.80 | 11.50 |
| O₃(µg/m³) | 39.00 | 55.00 |
| CO(µg/m³) | 976.00 | 360.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Bareilly averaged an AQI of 61 while Howrah averaged 126 — a 65-point (107%) gap, with Howrah the more polluted and Bareilly the cleaner of the two. On 566 days when both cities reported, Bareilly was cleaner on 422 of them; the average daily gap was 83 AQI points.
Seasonality & days
Bareilly peaks in November, while Howrah peaks in December. Bareilly logged 0% Severe days and 73.1% Good-or-Satisfactory days; Howrah was 0.7% Severe and 48.7% Good-or-Satisfactory. Longest clean-air streaks: Bareilly 51 days, Howrah 120 days.
Year-over-year progress
Bareilly has improved by 50 AQI points (45%) from 2022 to 2024; Howrah has improved by 32 AQI points (20.3%) over the same window. The worst recorded day for Bareilly reached AQI 292 at Rajendra Nagar (UPPCB) on 2022-11-03; Howrah hit AQI 500 at Ghusuri (WBPCB) on 2017-04-15.
Station-level disparity
Bareilly spans 2 CPCB stations with a 12-point spread (min 71, max 83); Howrah spans 5 stations with a 116-point spread (min 111, max 227).
Verdict
🏆 Howrah has better air quality with an AQI of 130 compared to Bareilly's 155.