Bilaspur vs Ooty
Side-by-side air quality comparison between Bilaspur and Ooty.
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 | Bilaspur | Ooty |
|---|---|---|
| PM2.5(µg/m³) | 34.80 | 4.40 |
| PM10(µg/m³) | 43.70 | 5.20 |
| NO₂(µg/m³) | 28.50 | 7.00 |
| SO₂(µg/m³) | 18.50 | 0.90 |
| O₃(µg/m³) | 38.00 | 31.00 |
| CO(µg/m³) | 477.00 | 124.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Bilaspur averaged an AQI of 61 while Ooty averaged 58 — a 3-point (5%) gap, with Bilaspur the more polluted and Ooty the cleaner of the two. On 489 days when both cities reported, Ooty was cleaner on 323 of them; the average daily gap was 26 AQI points.
Seasonality & days
Bilaspur peaks in December, while Ooty peaks in May. Bilaspur logged 0% Severe days and 88% Good-or-Satisfactory days; Ooty was 0% Severe and 94.2% Good-or-Satisfactory. Longest clean-air streaks: Bilaspur 66 days, Ooty 22 days.
Year-over-year progress
Bilaspur has improved by 22 AQI points (26.5%) from 2021 to 2024; Ooty is essentially flat over the same window. The worst recorded day for Bilaspur reached AQI 259 at Mangala (NTPC) on 2023-03-09; Ooty hit AQI 164 at Bombay Castel (TNPCB) on 2024-12-17.
Station-level disparity
Bilaspur spans 1 CPCB stations with a 0-point spread (min 69, max 69); Ooty spans 1 stations with a 0-point spread (min 59, max 59).
Verdict
🏆 Ooty has better air quality with an AQI of 7 compared to Bilaspur's 59. That's a significant difference of 52 points.