Noida Air Quality Index (AQI)
India's planned tech hub turned pollution hotspot. Noida's construction boom, NCR transit traffic, and winter crop burning smoke from Punjab combine with IGP inversions to create dangerous winter air quality.
Monthly AQI — Noida
Extreme bimodal pattern: clean monsoon vs severe winter.
Frequently Asked Questions
Why is Noida's air quality so poor despite being a planned city?
Noida was planned as a modern satellite city, but its air quality is driven by factors beyond city planning: (1) The ongoing construction boom — massive residential towers, expressways, and commercial complexes generate enormous fugitive dust from dozens of active sites; (2) NCR traffic — Noida-Greater Noida Expressway and Delhi-Noida linkages carry millions of vehicles; (3) Wind patterns from Punjab-Haryana crop burning carry smoke directly over Noida in October-November; (4) Geographic position in the flat IGP basin with frequent winter temperature inversions.
How does Noida compare to Delhi for air quality?
Noida typically registers higher AQI than Delhi's average due to its position in the eastern NCR pollution corridor and heavy construction activity. In winter, Noida's AQI can be 20–40 points higher than central Delhi on the same day. However, Noida has fewer industrial point sources than Ghaziabad, and its modern road grid reduces some traffic idling compared to Old Delhi.
What months are best for air quality in Noida?
July and August (monsoon) are the only genuinely clean months — regular rain suppresses dust and PM2.5 routinely drops to Good (0–50). September is still reasonable before crop burning begins. October to February is the danger window, with winter inversions creating AQI 200–400+ conditions for extended periods.
What health precautions should Noida residents take?
Year-round: use HEPA air purifiers at home and in the office — they are among the highest-ROI health interventions in NCR. November to February: limit outdoor exercise; children should not play outside when AQI >150; N95 masks are recommended for commutes. Monitor SAFAR-NCR real-time forecast. Annual: get lung function tests — chronic PM2.5 exposure in NCR correlates with measurable FVC decline even in healthy adults.