Katihar vs Pimpri-Chinchwad
Side-by-side air quality comparison between Katihar and Pimpri-Chinchwad.
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 | Pimpri-Chinchwad |
|---|---|---|
| PM2.5(µg/m³) | 105.90 | 16.10 |
| PM10(µg/m³) | 109.00 | 34.70 |
| NO₂(µg/m³) | 25.20 | 9.60 |
| SO₂(µg/m³) | 20.10 | 8.00 |
| O₃(µg/m³) | 67.00 | 35.00 |
| CO(µg/m³) | 727.00 | 137.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Katihar averaged an AQI of 123 while Pimpri-Chinchwad averaged 114 — a 9-point (8%) gap, with Katihar the more polluted and Pimpri-Chinchwad the cleaner of the two. On 291 days when both cities reported, Katihar was cleaner on 176 of them; the average daily gap was 53 AQI points.
Seasonality & days
Katihar peaks in December, while Pimpri-Chinchwad peaks in November. Katihar logged 3.1% Severe days and 26.9% Good-or-Satisfactory days; Pimpri-Chinchwad was 0% Severe and 42% Good-or-Satisfactory. Longest clean-air streaks: Katihar 19 days, Pimpri-Chinchwad 82 days.
Year-over-year progress
The worst recorded day for Katihar reached AQI 465 at Mirchaibari (BSPCB) on 2023-01-23; Pimpri-Chinchwad hit AQI 341 at Thergaon Pimpri (MPCB) on 2024-11-23.
Station-level disparity
Katihar spans 1 CPCB stations with a 0-point spread (min 185, max 185); Pimpri-Chinchwad spans 4 stations with a 20-point spread (min 107, max 127).
Verdict
🏆 Pimpri-Chinchwad has better air quality with an AQI of 35 compared to Katihar's 253. That's a significant difference of 218 points.