Air quality
Air quality in Greater Noida today
Updated
Unhealthy for Sensitive Groups (US AQI 148) People with heart or lung disease, older adults, children and teens should cut back on prolonged or heavy exertion outdoors. Model estimate for Sun, Oct 25, 11:30 pm (18:00 UTC).
Live AQI, PM2.5, PM10 and ozone for Greater Noida, Uttar Pradesh, India, with a 48-hour forecast and the best time to be outside.
- US AQI now
- 148 Unhealthy for Sensitive Groups
- PM2.5
- 71 µg/m³ 4.7× WHO 24-h guideline
- PM10
- 188 µg/m³
- Ozone
- 44 µg/m³
- Dominant pollutant
- PM2.5 sub-index 148
- Best hour today
- 6:30 am AQI 153
- European AQI
- 78
Air quality in Greater Noida right now
Right now the modelled US Air Quality Index for Greater Noida, Uttar Pradesh, India is 148, which falls in the "Unhealthy for Sensitive Groups" band (up to 150). People with heart or lung disease, older adults, children and teens should cut back on prolonged or heavy exertion outdoors.
The index is driven mainly by PM2.5, whose own sub-index is 148. Fine and coarse particles come from traffic, heating, industry, dust and smoke; they build up on calm nights and clear when wind or rain arrives.
PM2.5 is 71 µg/m³, 4.7 times the WHO 24-hour guideline of 15 µg/m³; PM10 is 188 µg/m³ against a guideline of 45; ozone is 44 µg/m³ (below the WHO 8-hour level of 100); nitrogen dioxide is 43 µg/m³ (above the 24-hour guideline of 25).
Also this hour: desert dust at 214 µg/m³, high enough to haze the sky, carbon monoxide 898 µg/m³.
Greater Noida AQI forecast: next 48 hours
Over the next 24 hours the AQI is forecast to range from 146 around Mon 12:30 am to 195 around Mon 11:30 pm, from "Unhealthy for Sensitive Groups" at best to "Unhealthy" at worst.
The following day is expected to be worse, averaging about 247 against 160 for the next 24 hours.
| Local time (Asia/Kolkata) | US AQI | Category | PM2.5 µg/m³ | PM10 µg/m³ | Ozone µg/m³ |
|---|---|---|---|---|---|
| Sun 11:30 pm | 148 | Unhealthy for Sensitive Groups | 71 | 188 | 44 |
| Mon 2:30 am | 148 | Unhealthy for Sensitive Groups | 84.1 | 310 | 42 |
| Mon 5:30 am | 152 | Unhealthy | 90.8 | 372 | 45 |
| Mon 8:30 am | 156 | Unhealthy | 102.9 | 395 | 50 |
| Mon 11:30 am | 161 | Unhealthy | 76.4 | 380 | 150 |
| Mon 2:30 pm | 163 | Unhealthy | 66.8 | 349 | 169 |
| Mon 5:30 pm | 165 | Unhealthy | 71 | 247 | 96 |
| Mon 8:30 pm | 173 | Unhealthy | 105.5 | 397 | 46 |
| Mon 11:30 pm | 195 | Unhealthy | 136.9 | 605 | 44 |
| Tue 2:30 am | 252 | Very Unhealthy | 132.2 | 550 | 49 |
| Tue 5:30 am | 280 | Very Unhealthy | 109.9 | 377 | 50 |
| Tue 8:30 am | 276 | Very Unhealthy | 108.5 | 355 | 56 |
| Tue 11:30 am | 273 | Very Unhealthy | 85.2 | 304 | 170 |
| Tue 2:30 pm | 253 | Very Unhealthy | 62.2 | 245 | 203 |
| Tue 5:30 pm | 234 | Very Unhealthy | 62.6 | 149 | 123 |
| Tue 8:30 pm | 210 | Very Unhealthy | 87.8 | 151 | 43 |
| Tue 11:30 pm | 185 | Unhealthy | 109 | 279 | 24 |
Every third hour of the CAMS forecast via Open-Meteo. US AQI uses rolling averages (24 h for particles, 8 h for ozone), so it moves more slowly than the hourly concentrations.
Best time to be outside in Greater Noida today
Between 6 am and 9 pm local time, the cleanest air today is forecast around 6:30 am (AQI 153, Unhealthy) and the worst around 9:30 pm (AQI 179). That is a swing of 26 points, so a run or walk around 6:30 am is noticeably better.
Greater Noida vs the rest of India
Across 260 India cities we track, the average US AQI right now is 116 (Unhealthy for Sensitive Groups). Greater Noida at 148 is 32 points worse than average.
It ranks 170 of 260 from cleanest to most polluted; the cleanest is Dindigul (26) and the most polluted Karnāl (346).
For context, the median across 3,909 cities worldwide is 57.
Air quality in cities near Greater Noida
| City | Distance | US AQI | Category | PM2.5 µg/m³ |
|---|---|---|---|---|
| Ghāziābād | 21 km | 124 | Unhealthy for Sensitive Groups | 75.2 |
| Noida | 22 km | 160 | Unhealthy | 82 |
| Faridabad | 24 km | 160 | Unhealthy | 82 |
| Dalūpura | 24 km | 160 | Unhealthy | 82 |
| Deoli | 30 km | 160 | Unhealthy | 82 |
| Mandoli | 32 km | 127 | Unhealthy for Sensitive Groups | 80.6 |
| New Delhi | 34 km | 160 | Unhealthy | 82 |
| Delhi | 34 km | 127 | Unhealthy for Sensitive Groups | 80.6 |
Model vs measured
We found no measured PM2.5 sensor cell within 25 km of Greater Noida, so the numbers on this page are model estimates. Models capture regional pollution well but can miss very local sources such as a busy road or a nearby fire.
Wildfire smoke
PM2.5 is forecast to reach 137 µg/m³ in the next 24 hours while NASA satellites detected 234 fire hotspots within 300 km in the last day (nearest about 17 km away). Smoke is a likely contributor: keep windows closed, run an air purifier or HVAC filter, and check the fire map before heading out.
Advice for sensitive groups
At 148, children, older adults, pregnant people and anyone with asthma, COPD or heart disease should limit time outdoors, especially strenuous activity. A well-fitted N95/FFP2 mask cuts particle exposure; it does not filter ozone.
What the US AQI numbers mean
| US AQI | Category | What it means |
|---|---|---|
| 0-50 | Good | Air quality is satisfactory and poses little or no risk; a good time for outdoor activity. |
| 51-100 | Moderate | Acceptable for most people. Unusually sensitive people should consider shortening long or heavy exertion outdoors. |
| 101-150 | Unhealthy for Sensitive Groups | People with heart or lung disease, older adults, children and teens should cut back on prolonged or heavy exertion outdoors. |
| 151-200 | Unhealthy | Everyone should reduce prolonged or heavy exertion outdoors; sensitive groups should avoid it and keep windows closed. |
| 201-300 | Very Unhealthy | Health alert: everyone should avoid prolonged or heavy exertion outdoors, and sensitive groups should stay indoors. |
| 301-500 | Hazardous | Emergency conditions: everyone should avoid all outdoor physical activity and stay indoors with filtered air if possible. The scale tops out at 500; heavier dust or smoke is shown as 500. |
Values on this page are modelled by CAMS (Copernicus) and served by Open-Meteo; they are estimates for the area around the city centre, not readings from an official monitor.
Nearby cities
More for Greater Noida
Air quality elsewhere
Data: Open-Meteo Air Quality API, Copernicus Atmosphere Monitoring Service (CAMS), NASA FIRMS.