Alwar vs Patna
Side-by-side air quality comparison between Alwar and Patna.
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 | Alwar | Patna |
|---|---|---|
| PM2.5(µg/m³) | 58.40 | 99.00 |
| PM10(µg/m³) | 169.00 | 111.80 |
| NO₂(µg/m³) | 17.10 | 49.30 |
| SO₂(µg/m³) | 7.70 | 18.10 |
| O₃(µg/m³) | 58.00 | 19.00 |
| CO(µg/m³) | 391.00 | 704.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Alwar averaged an AQI of 88 while Patna averaged 172 — a 84-point (95%) gap, with Patna the more polluted and Alwar the cleaner of the two. On 2394 days when both cities reported, Alwar was cleaner on 2169 of them; the average daily gap was 139 AQI points.
Seasonality & days
Alwar peaks in November, while Patna peaks in December. Alwar logged 0% Severe days and 70.2% Good-or-Satisfactory days; Patna was 7.5% Severe and 19.400000000000002% Good-or-Satisfactory. Longest clean-air streaks: Alwar 97 days, Patna 30 days.
Year-over-year progress
Alwar has improved by 125 AQI points (58.7%) from 2017 to 2024; Patna has improved by 40 AQI points (18.9%) over the same window. The worst recorded day for Alwar reached AQI 356 at Moti Doongri (RSPCB) on 2017-11-11; Patna hit AQI 491 at IGSC Planetarium Complex (BSPCB) on 2016-01-01.
Station-level disparity
Alwar spans 1 CPCB stations with a 0-point spread (min 95, max 95); Patna spans 6 stations with a 39-point spread (min 154, max 193).
Verdict
🏆 Alwar has better air quality with an AQI of 147 compared to Patna's 231. That's a significant difference of 84 points.