Air Quality Monitoring Dashboard

EPA annual air quality data for major US metropolitan areas

PM2.5 (µg/m³)

Average:8.61
Min:5.37
Max:12.19

Ozone (ppm)

Average:0.043537
Min:0.028800
Max:0.059600

NO2 (ppb)

Average:11.62
Min:4.75
Max:16.70

Air Quality Trends Over Time

County Comparison (Latest Data)

Detailed Data

CountyParameterYearAnnual MeanUnitsObservations
Broward CountyNO220259.5145Parts per billion265
Broward CountyNO220248.5365Parts per billion793
Broward CountyNO220238.7903Parts per billion764
Broward CountyNO220227.2773Parts per billion773
Broward CountyOzone20250.0381Parts per million709
Broward CountyOzone20240.0369Parts per million1422
Broward CountyOzone20230.0362Parts per million1393
Broward CountyOzone20220.0344Parts per million1405
Broward CountyPM2.520257.0318Micrograms/cubic meter (LC)892
Broward CountyPM2.520246.9938Micrograms/cubic meter (LC)1763
Broward CountyPM2.520238.3336Micrograms/cubic meter (LC)1804
Broward CountyPM2.520227.6484Micrograms/cubic meter (LC)1797
Cook CountyNO2202513.0805Parts per billion820
Cook CountyNO2202413.5403Parts per billion1860
Cook CountyNO2202314.2770Parts per billion1757
Cook CountyNO2202213.8826Parts per billion1871
Cook CountyOzone20250.0437Parts per million1206
Cook CountyOzone20240.0450Parts per million2487
Cook CountyOzone20230.0457Parts per million2460
Cook CountyOzone20220.0434Parts per million2483