Guwahati vs Kishanganj
Side-by-side air quality comparison between Guwahati and Kishanganj.
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 | Guwahati | Kishanganj |
|---|---|---|
| PM2.5(µg/m³) | 33.80 | 99.40 |
| PM10(µg/m³) | 37.10 | 102.00 |
| NO₂(µg/m³) | 6.60 | 19.70 |
| SO₂(µg/m³) | 4.00 | 12.20 |
| O₃(µg/m³) | 81.00 | 59.00 |
| CO(µg/m³) | 397.00 | 768.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Guwahati averaged an AQI of 123 while Kishanganj averaged 144 — a 21-point (17%) gap, with Kishanganj the more polluted and Guwahati the cleaner of the two. On 946 days when both cities reported, Guwahati was cleaner on 473 of them; the average daily gap was 52 AQI points.
Seasonality & days
Both cities see their worst air in January on average. Guwahati logged 0.1% Severe days and 44.9% Good-or-Satisfactory days; Kishanganj was 0.2% Severe and 37.099999999999994% Good-or-Satisfactory. Longest clean-air streaks: Guwahati 105 days, Kishanganj 23 days.
Year-over-year progress
Guwahati has worsened by 14 AQI points (12.8%) from 2019 to 2024; Kishanganj has improved by 136 AQI points (48.6%) over the same window. The worst recorded day for Guwahati reached AQI 420 at Railway Colony (PCBA) on 2023-01-15; Kishanganj hit AQI 417 at SDM Office Khagra (BSPCB) on 2022-02-01.
Station-level disparity
Guwahati spans 4 CPCB stations with a 26-point spread (min 118, max 144); Kishanganj spans 1 stations with a 0-point spread (min 156, max 156).
Verdict
🏆 Guwahati has better air quality with an AQI of 57 compared to Kishanganj's 232. That's a significant difference of 175 points.