Hāveri vs Howrah
Side-by-side air quality comparison between Hāveri 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 | Hāveri | Howrah |
|---|---|---|
| PM2.5(µg/m³) | 7.40 | 52.50 |
| PM10(µg/m³) | 9.60 | 58.80 |
| NO₂(µg/m³) | 6.90 | 11.70 |
| SO₂(µg/m³) | 1.00 | 14.30 |
| O₃(µg/m³) | 33.00 | 124.00 |
| CO(µg/m³) | 120.00 | 453.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Hāveri averaged an AQI of 66 while Howrah averaged 126 — a 60-point (91%) gap, with Howrah the more polluted and Hāveri the cleaner of the two. On 467 days when both cities reported, Hāveri was cleaner on 366 of them; the average daily gap was 86 AQI points.
Seasonality & days
Hāveri peaks in January, while Howrah peaks in December. Hāveri logged 0% Severe days and 86.69999999999999% Good-or-Satisfactory days; Howrah was 0.7% Severe and 48.7% Good-or-Satisfactory. Longest clean-air streaks: Hāveri 76 days, Howrah 120 days.
Year-over-year progress
Hāveri has improved by 1 AQI points (1.5%) from 2022 to 2024; Howrah has improved by 32 AQI points (20.3%) over the same window. The worst recorded day for Hāveri reached AQI 262 at Ashwini Nagar (KSPCB) on 2023-11-17; Howrah hit AQI 500 at Ghusuri (WBPCB) on 2017-04-15.
Station-level disparity
Hāveri spans 1 CPCB stations with a 0-point spread (min 68, max 68); Howrah spans 5 stations with a 116-point spread (min 111, max 227).
Verdict
🏆 Hāveri has better air quality with an AQI of 12 compared to Howrah's 88. That's a significant difference of 76 points.