Guwahati vs Nalbāri
Side-by-side air quality comparison between Guwahati and Nalbāri.
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 | Nalbāri |
|---|---|---|
| PM2.5(µg/m³) | 33.80 | 57.90 |
| PM10(µg/m³) | 37.10 | 64.70 |
| NO₂(µg/m³) | 6.60 | 7.60 |
| SO₂(µg/m³) | 4.00 | 5.20 |
| O₃(µg/m³) | 81.00 | 112.00 |
| CO(µg/m³) | 397.00 | 397.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Guwahati averaged an AQI of 123 while Nalbāri averaged 129 — a 6-point (5%) gap, with Nalbāri the more polluted and Guwahati the cleaner of the two. On 669 days when both cities reported, Nalbāri was cleaner on 452 of them; the average daily gap was 44 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; Nalbāri was 0% Severe and 41% Good-or-Satisfactory. Longest clean-air streaks: Guwahati 105 days, Nalbāri 18 days.
Year-over-year progress
Guwahati has worsened by 14 AQI points (12.8%) from 2019 to 2024; Nalbāri has improved by 72 AQI points (35.8%) over the same window. The worst recorded day for Guwahati reached AQI 420 at Railway Colony (PCBA) on 2023-01-15; Nalbāri hit AQI 384 at Bata Chowk (PCBA) on 2024-01-08.
Station-level disparity
Guwahati spans 4 CPCB stations with a 26-point spread (min 118, max 144); Nalbāri spans 1 stations with a 0-point spread (min 141, max 141).
Verdict
🏆 Guwahati has better air quality with an AQI of 57 compared to Nalbāri's 97.