Araria vs Katihar
Side-by-side air quality comparison between Araria and Katihar.
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 | Araria | Katihar |
|---|---|---|
| PM2.5(µg/m³) | 106.90 | 109.20 |
| PM10(µg/m³) | 110.80 | 114.30 |
| NO₂(µg/m³) | 29.10 | 31.10 |
| SO₂(µg/m³) | 11.60 | 18.30 |
| O₃(µg/m³) | 31.00 | 43.00 |
| CO(µg/m³) | 809.00 | 770.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Araria averaged an AQI of 167 while Katihar averaged 123 — a 44-point (36%) gap, with Araria the more polluted and Katihar the cleaner of the two. On 744 days when both cities reported, Araria was cleaner on 511 of them; the average daily gap was 56 AQI points.
Seasonality & days
Araria peaks in January, while Katihar peaks in December. Araria logged 0% Severe days and 28.5% Good-or-Satisfactory days; Katihar was 3.1% Severe and 26.9% Good-or-Satisfactory. Longest clean-air streaks: Araria 14 days, Katihar 19 days.
Year-over-year progress
Araria has improved by 61 AQI points (26.8%) from 2021 to 2024; Katihar has improved by 188 AQI points (60.5%) over the same window. The worst recorded day for Araria reached AQI 399 at Kharahiya Basti (BSPCB) on 2024-01-31; Katihar hit AQI 465 at Mirchaibari (BSPCB) on 2023-01-23.
Station-level disparity
Araria spans 1 CPCB stations with a 0-point spread (min 173, max 173); Katihar spans 1 stations with a 0-point spread (min 185, max 185).
Verdict
🏆 Araria has better air quality with an AQI of 257 compared to Katihar's 264.