Air Quality
2.5/5
24.7 µg/m³Sensitive Groups
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: ●●●
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.
TirunelveliIndia
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: ●●●
Who thrives in Tirunelveli
Things to consider in Tirunelveli
PM2.5 annual average of 24.7 µg/m³ exceeds the WHO interim target of 15 µg/m³. The WHO guideline value is 5 µg/m³.
Data sources: WHO (air quality), OECD (safety).
Why not Tirunelveli?
Why not Tirunelveli? Honestly, air quality could be better — Tirunelveli's 24.7 µg/m³ annual PM2.5 is above WHO guidelines, though still within ranges common for larger cities.
Frequently asked about Tirunelveli
▶How many sunny days does Tirunelveli have per year?
Tirunelveli averages approximately 230 sunny days per year, based on historical climate data.
▶What is the air quality in Tirunelveli?
Tirunelveli has an annual PM2.5 concentration of 24.7 µg/m³, classified as "Moderate" by WHO standards. Above WHO targets. Some respiratory effects possible with prolonged exposure.