Noida Sector 18 AQI today
Nearest station: Sector-1, 2.7 km away · Station details → · #122 most polluted of 558 stations in India right now
Poor खराब
Health impact (CPCB)
Breathing discomfort to most people on prolonged exposure
What to do today
Cut down outdoor exercise. Children and elderly should limit time outside.
General guidance. If you have a health condition, follow your doctor's advice.
Last 24 hours
Lowest 237 at 9 pmHighest 342 at 2 am
Pollutants (sub-index)
★ Main pollutant: PM2.5
Last 30 days · Sector-1
30-day average 202Cleanest day 44 30 OctWorst day 311 9 Nov
Good: 1 Satisfactory: 2 Moderate: 7 Poor: 12 Very Poor: 3
One value a day: the 4 pm reading (a 24-hour average), as in CPCB’s daily AQI bulletin. Older days come from OpenAQ’s archive of the same CPCB monitors.
Compared with last year
A year ago, on 13 Nov 2025, the AQI was 394 (Very Poor).
The last 7 days averaged 275, against 388 in the same week of 2025: 29% better.
Month by month
| Month | Average | Worst day |
|---|---|---|
| November 2026 | 260 | 9 Nov 311 |
| October 2026 | 149 | 4 Oct 255 |
| September 2026 | 115 | 23 Sept 191 |
| August 2026 | 93 | 31 Aug 135 |
| July 2026 | 118 | 12 Jul 211 |
| June 2026 | 161 | 22 Jun 296 |
| May 2026 | 180 | 26 May 333 |
| April 2026 | 201 | 19 Apr 343 |
| March 2026 | 190 | 7 Mar 284 |
| February 2026 | 221 | 3 Feb 319 |
| January 2026 | 293 | 9 Jan 394 |
| December 2025 | 401 | 14 Dec 496 |
| November 2025 | 370 | 20 Nov 443 |
Air quality calendar: last 12 months
Dec 2025401
Jan 2026293
Feb 2026221
Mar 2026190
Apr 2026201
May 2026180
Jun 2026161
Jul 2026118
Aug 202693
Sept 2026115
Oct 2026149
Nov 2026260
Good: 4 Satisfactory: 42 Moderate: 125 Poor: 69 Very Poor: 29 Severe: 12
Each day shows its 4 pm reading, coloured on the CPCB scale. Grey days have no reading.
Nearby stations
| Vasundhara Enclave Delhi · 1.9 km | 369 |
| Prashant Garden Khora · 3.9 km | 346 |
| Patparganj Delhi · 4.4 km | 345 |
| Commonwealth Sports Complex Delhi · 4.7 km | 409 |
| Sector-39 Noida · 4.9 km | 306 |
| Sector-125 Noida · 5.2 km | 205 |
Common questions
What is the AQI in Noida Sector 18 right now?
The AQI in Noida Sector 18 is 237 (Poor) on the CPCB scale, as of 9 pm, 13 Nov.
Is it safe to exercise outdoors in Noida Sector 18 today?
Cut down outdoor exercise. Children and elderly should limit time outside. General guidance. If you have a health condition, follow your doctor's advice.
What is the main pollutant in Noida Sector 18?
PM2.5 is the main pollutant right now, with a CPCB sub-index of 237.
When was the air best and worst in Noida Sector 18 in the last 24 hours?
The AQI was lowest at 237 (9 pm, 13 Nov) and highest at 342 (2 am, 13 Nov).
Why do some apps show a different AQI for Noida Sector 18?
AQI247 uses India’s CPCB National AQI, the scale used by the government and the news. Apps on the US scale show different numbers for the same air.