Air Quality Lab — Delhi, India
Air Quality Profile
Delhi reports an annual PM2.5 of 97.9 µg/m³. That's above the EU annual limit of 25 µg/m³ — long-term exposure here carries documented health trade-offs.
Delhi
India
IndiaAnnual Average
HazardousWHO annual classification
97.9µg/m³
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
PM2.5
157157 µg/m³ — Hazardous
125125 µg/m³ — Hazardous
7272 µg/m³ — Very Unhealthy
6161 µg/m³ — Very Unhealthy
5858 µg/m³ — Very Unhealthy
4949 µg/m³ — Unhealthy
4545 µg/m³ — Unhealthy
4545 µg/m³ — Unhealthy
5050 µg/m³ — Very Unhealthy
108108 µg/m³ — Hazardous
211211 µg/m³ — Hazardous
195195 µg/m³ — Hazardous
Jan
Feb
Mar
Apr
May
Jun
157157 µg/m³ — Hazardous
125125 µg/m³ — Hazardous
7272 µg/m³ — Very Unhealthy
6161 µg/m³ — Very Unhealthy
5858 µg/m³ — Very Unhealthy
4949 µg/m³ — Unhealthy
Jul
Aug
Sep
Oct
Nov
Dec
4545 µg/m³ — Unhealthy
4545 µg/m³ — Unhealthy
5050 µg/m³ — Very Unhealthy
108108 µg/m³ — Hazardous
211211 µg/m³ — Hazardous
195195 µg/m³ — Hazardous
Best months: Jun–AugWorst months: Jan, Nov–Dec
Unhealthy35–50 µg/m³Very Unhealthy50–75 µg/m³Hazardous>75 µg/m³
Based on WUSTL PM2.5 dataset (2020–2024) · WHO 2021 thresholds
Confidence: ●●●
How air quality compares
Compared across India
Delhi: 97.9 µg/m³. Typical range in India: 32.5–54.7 µg/m³. Low anchor: Kollam, 24.5 µg/m³. High anchor: Durg, 120.1 µg/m³.
2,241 cities tracked