Air Quality Lab — Phoenix, United States
Air Quality Profile
Phoenix reports an annual PM2.5 of 9.8 µg/m³. That's close to the WHO 2021 annual guideline (5 µg/m³) and well inside historically healthy ranges.
Phoenix
United States
United StatesAnnual Average
GoodWHO annual classification
9.8µg/m³
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
PM2.5
1212 µg/m³ — Fair
1111 µg/m³ — Fair
8.08.0 µg/m³ — Good
8.98.9 µg/m³ — Good
8.38.3 µg/m³ — Good
8.38.3 µg/m³ — Good
8.78.7 µg/m³ — Good
8.68.6 µg/m³ — Good
9.79.7 µg/m³ — Good
9.09.0 µg/m³ — Good
1111 µg/m³ — Fair
1414 µg/m³ — Fair
Jan
Feb
Mar
Apr
May
Jun
1212 µg/m³ — Fair
1111 µg/m³ — Fair
8.08.0 µg/m³ — Good
8.98.9 µg/m³ — Good
8.38.3 µg/m³ — Good
8.38.3 µg/m³ — Good
Jul
Aug
Sep
Oct
Nov
Dec
8.78.7 µg/m³ — Good
8.68.6 µg/m³ — Good
9.79.7 µg/m³ — Good
9.09.0 µg/m³ — Good
1111 µg/m³ — Fair
1414 µg/m³ — Fair
Best months: Mar, May–JunWorst months: Jan, Nov–Dec
Good5–10 µg/m³Fair10–15 µg/m³
Based on WUSTL PM2.5 dataset (2020–2024) · WHO 2021 thresholds
Confidence: ●●●
How air quality compares
Compared across United States
Phoenix: 9.8 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