Katihar vs Ranipet
Side-by-side air quality comparison between Katihar 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 | Katihar | Ranipet |
|---|---|---|
| PM2.5(µg/m³) | 105.90 | 7.00 |
| PM10(µg/m³) | 109.00 | 8.40 |
| NO₂(µg/m³) | 25.20 | 8.50 |
| SO₂(µg/m³) | 20.10 | 4.30 |
| O₃(µg/m³) | 67.00 | 44.00 |
| CO(µg/m³) | 727.00 | 143.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Katihar averaged an AQI of 123 while Ranipet averaged 75 — a 48-point (64%) gap, with Katihar the more polluted and Ranipet the cleaner of the two. On 50 days when both cities reported, Ranipet was cleaner on 43 of them; the average daily gap was 105 AQI points.
Seasonality & days
Katihar peaks in December, while Ranipet peaks in November. Katihar logged 3.1% Severe days and 26.9% Good-or-Satisfactory days; Ranipet was 0% Severe and 67.80000000000001% Good-or-Satisfactory. Longest clean-air streaks: Katihar 19 days, Ranipet 10 days.
Year-over-year progress
The worst recorded day for Katihar reached AQI 465 at Mirchaibari (BSPCB) on 2023-01-23; Ranipet hit AQI 224 at VOC Nagar SIPCOT (TNPCB) on 2024-12-17.
Station-level disparity
Katihar spans 1 CPCB stations with a 0-point spread (min 185, max 185); 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 Katihar's 253. That's a significant difference of 241 points.