Patna vs Ranipet
Side-by-side air quality comparison between Patna 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 | Patna | Ranipet |
|---|---|---|
| PM2.5(µg/m³) | 99.00 | 8.00 |
| PM10(µg/m³) | 111.80 | 10.00 |
| NO₂(µg/m³) | 49.30 | 11.40 |
| SO₂(µg/m³) | 18.10 | 4.50 |
| O₃(µg/m³) | 19.00 | 41.00 |
| CO(µg/m³) | 704.00 | 186.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Patna averaged an AQI of 172 while Ranipet averaged 75 — a 97-point (129%) gap, with Patna the more polluted and Ranipet the cleaner of the two. On 62 days when both cities reported, Ranipet was cleaner on 61 of them; the average daily gap was 229 AQI points.
Seasonality & days
Patna peaks in December, while Ranipet peaks in November. Patna logged 7.5% Severe days and 19.400000000000002% Good-or-Satisfactory days; Ranipet was 0% Severe and 67.80000000000001% Good-or-Satisfactory. Longest clean-air streaks: Patna 30 days, Ranipet 10 days.
Year-over-year progress
The worst recorded day for Patna reached AQI 491 at IGSC Planetarium Complex (BSPCB) on 2016-01-01; Ranipet hit AQI 224 at VOC Nagar SIPCOT (TNPCB) on 2024-12-17.
Station-level disparity
Patna spans 6 CPCB stations with a 39-point spread (min 154, max 193); Ranipet spans 1 stations with a 0-point spread (min 75, max 75).
Verdict
🏆 Ranipet has better air quality with an AQI of 13 compared to Patna's 231. That's a significant difference of 218 points.