Air Quality Lab — Raleigh, United States
Air Quality Profile
Raleigh reports an annual PM2.5 of 7.7 µg/m³. That's close to the WHO 2021 annual guideline (5 µg/m³) and well inside historically healthy ranges.
Raleigh
United States
United StatesAnnual Average
GoodWHO annual classification
7.7µg/m³
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
PM2.5
8.38.3 µg/m³ — Good
9.39.3 µg/m³ — Good
7.47.4 µg/m³ — Good
6.96.9 µg/m³ — Good
6.26.2 µg/m³ — Good
7.67.6 µg/m³ — Good
8.48.4 µg/m³ — Good
8.08.0 µg/m³ — Good
7.57.5 µg/m³ — Good
7.07.0 µg/m³ — Good
7.97.9 µg/m³ — Good
8.28.2 µg/m³ — Good
Jan
Feb
Mar
Apr
May
Jun
8.38.3 µg/m³ — Good
9.39.3 µg/m³ — Good
7.47.4 µg/m³ — Good
6.96.9 µg/m³ — Good
6.26.2 µg/m³ — Good
7.67.6 µg/m³ — Good
Jul
Aug
Sep
Oct
Nov
Dec
8.48.4 µg/m³ — Good
8.08.0 µg/m³ — Good
7.57.5 µg/m³ — Good
7.07.0 µg/m³ — Good
7.97.9 µg/m³ — Good
8.28.2 µg/m³ — Good
Best months: Apr–May, OctWorst months: Jan–Feb, Jul
Good5–10 µg/m³
Based on WUSTL PM2.5 dataset (2020–2024) · WHO 2021 thresholds
Confidence: ●●●
How air quality compares
Compared across United States
Raleigh: 7.7 µg/m³. Typical range in United States: 6.4–7.8 µg/m³. Low anchor: Anchorage, 4.3 µg/m³. High anchor: Los Angeles, 13.8 µg/m³.
2,121 cities tracked