Katihar vs Meerut
Side-by-side air quality comparison between Katihar and Meerut.
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 | Meerut |
|---|---|---|
| PM2.5(µg/m³) | 97.80 | 65.70 |
| PM10(µg/m³) | 101.50 | 120.10 |
| NO₂(µg/m³) | 16.40 | 20.30 |
| SO₂(µg/m³) | 22.60 | 11.60 |
| O₃(µg/m³) | 106.00 | 97.00 |
| CO(µg/m³) | 668.00 | 580.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Katihar averaged an AQI of 123 while Meerut averaged 144 — a 21-point (17%) gap, with Meerut the more polluted and Katihar the cleaner of the two. On 637 days when both cities reported, Katihar was cleaner on 370 of them; the average daily gap was 73 AQI points.
Seasonality & days
Katihar peaks in December, while Meerut peaks in November. Katihar logged 3.1% Severe days and 26.9% Good-or-Satisfactory days; Meerut was 2% Severe and 22.299999999999997% Good-or-Satisfactory. Longest clean-air streaks: Katihar 19 days, Meerut 25 days.
Year-over-year progress
Katihar has improved by 188 AQI points (60.5%) from 2021 to 2024; Meerut has improved by 116 AQI points (44.6%) over the same window. The worst recorded day for Katihar reached AQI 465 at Mirchaibari (BSPCB) on 2023-01-23; Meerut hit AQI 490 at Pallavpuram Phase 2 (UPPCB) on 2020-11-05.
Station-level disparity
Katihar spans 1 CPCB stations with a 0-point spread (min 185, max 185); Meerut spans 3 stations with a 13-point spread (min 172, max 185).
Verdict
🏆 Meerut has better air quality with an AQI of 120 compared to Katihar's 227. That's a significant difference of 107 points.