Air Quality Lab — Tirunelveli, India
Air Quality Profile·
Tirunelveli reports an annual PM2.5 of 24.7 µg/m³. That's meaningfully above the WHO 2021 guideline of 5 µg/m³ yet within the EU annual limit of 25 µg/m³.
Tirunelveli
India
IndiaAnnual Average
ModerateWHO annual classification
24.7µg/m³
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
PM2.5
3232 µg/m³ — Poor
3232 µg/m³ — Poor
3030 µg/m³ — Poor
2929 µg/m³ — Poor
1616 µg/m³ — Moderate
1515 µg/m³ — Moderate
1818 µg/m³ — Moderate
1616 µg/m³ — Moderate
1717 µg/m³ — Moderate
2525 µg/m³ — Moderate
2929 µg/m³ — Poor
3838 µg/m³ — Unhealthy
Jan
Feb
Mar
Apr
May
Jun
3232 µg/m³ — Poor
3232 µg/m³ — Poor
3030 µg/m³ — Poor
2929 µg/m³ — Poor
1616 µg/m³ — Moderate
1515 µg/m³ — Moderate
Jul
Aug
Sep
Oct
Nov
Dec
1818 µg/m³ — Moderate
1616 µg/m³ — Moderate
1717 µg/m³ — Moderate
2525 µg/m³ — Moderate
2929 µg/m³ — Poor
3838 µg/m³ — Unhealthy
Best months: May–Jun, AugWorst months: Jan–Feb, Dec
Moderate15–25 µg/m³Poor25–35 µg/m³Unhealthy35–50 µg/m³
Based on WUSTL PM2.5 dataset (2020–2024) · WHO 2021 thresholds
Confidence: ●●●
How air quality compares
Compared across India
Tirunelveli: 24.7 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