See the environmental signals shaping every city.
COzero Atlas gives climate teams a unified view of emissions, air quality, and city performance across a growing U.S. network.
- Places mapped
- 108
- Coverage
- U.S. network
- Signal window
- 2019–2025
Network pulse · selected city
Seattle, WA
AQI
42
Sustainability
82/100
Emissions
8.4Mt
-4.1% YoY
Risk score
28Low
Sustainability trend
+3.2% YoY
Cities tracked
108
Avg. sustainability
69/100
Total emissions
529.7Mt CO₂
Cities improving
108/108
Explore the city network
Browse 108 U.S. places through a responsive map, then open a detailed city report.
Selected city
Active selectionNew York, NY
New York · Pop. 8.3M
- Population
- 8.3M
- AQI
- 58
- CO₂ output
- 52.4 Mt
- Risk score
- 42
Legacy record
Moderate
Annual total
Network index
Largest places in Atlas
City comparisons
Benchmark city performance across the Atlas network.
Sustainability leaders
Network-wide trends
Aggregate trajectories across all tracked cities, 2019–2025.
Total emissions
Combined CO₂ output (Mt) across tracked places
Average AQI
Mean air quality index across tracked places
Start exploring environmental data
Access emissions, air quality, and sustainability metrics for every city in the Atlas network.