Howrah vs Ranipet
Side-by-side air quality comparison between Howrah and Ranipet.
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 | Ranipet |
|---|---|---|
| PM2.5(µg/m³) | 64.70 | 7.00 |
| PM10(µg/m³) | 69.40 | 8.40 |
| NO₂(µg/m³) | 18.10 | 8.50 |
| SO₂(µg/m³) | 13.10 | 4.30 |
| O₃(µg/m³) | 86.00 | 44.00 |
| CO(µg/m³) | 421.00 | 143.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Howrah averaged an AQI of 126 while Ranipet averaged 75 — a 51-point (68%) gap, with Howrah the more polluted and Ranipet the cleaner of the two. On 62 days when both cities reported, Ranipet was cleaner on 58 of them; the average daily gap was 154 AQI points.
Seasonality & days
Howrah peaks in December, while Ranipet peaks in November. Howrah logged 0.7% Severe days and 48.7% Good-or-Satisfactory days; Ranipet was 0% Severe and 67.80000000000001% Good-or-Satisfactory. Longest clean-air streaks: Howrah 120 days, Ranipet 10 days.
Year-over-year progress
The worst recorded day for Howrah reached AQI 500 at Ghusuri (WBPCB) on 2017-04-15; Ranipet hit AQI 224 at VOC Nagar SIPCOT (TNPCB) on 2024-12-17.
Station-level disparity
Howrah spans 5 CPCB stations with a 116-point spread (min 111, max 227); Ranipet spans 1 stations with a 0-point spread (min 75, max 75).
Verdict
🏆 Ranipet has better air quality with an AQI of 12 compared to Howrah's 117. That's a significant difference of 105 points.