Air quality in United States

Air quality in Nebraska today

Updated Sun, 25 Oct 2026 19:43:35 GMT

Good: average US AQI 22 across 7 cities in Nebraska Worst now: Omaha (28); cleanest: Fremont, NE (19).

Live US AQI, PM2.5 and ozone for cities across Nebraska, compared with the United States average.

Right now the modelled air quality in Nebraska averages a US AQI of 22 (Good) across the 7 cities we track. By category: 7 Good (of 7).

That is 27 points cleaner than the United States average of 49, ranking 2 of 51 states from cleanest to most polluted.

Omaha has the worst air at 28 (PM2.5 8.5 µg/m³), and Fremont, NE the cleanest at 19. No tracked city is above 100, so no group needs to change plans.

Nebraska cities by AQI (most polluted first)

City	US AQI	Category	PM2.5 µg/m³	PM10 µg/m³	Ozone µg/m³
Omaha	28	Good	8.5	9	69
Hastings	23	Good	5.1	5	77
Lincoln	22	Good	6.4	7	76
Kearney	21	Good	5.8	6	49
Norfolk	20	Good	5.6	6	72
Columbus	20	Good	5.6	6	66
Fremont	19	Good	4.8	5	66

US AQI	Category	What it means
0-50	Good	Air quality is satisfactory and poses little or no risk; a good time for outdoor activity.
51-100	Moderate	Acceptable for most people. Unusually sensitive people should consider shortening long or heavy exertion outdoors.
101-150	Unhealthy for Sensitive Groups	People with heart or lung disease, older adults, children and teens should cut back on prolonged or heavy exertion outdoors.
151-200	Unhealthy	Everyone should reduce prolonged or heavy exertion outdoors; sensitive groups should avoid it and keep windows closed.
201-300	Very Unhealthy	Health alert: everyone should avoid prolonged or heavy exertion outdoors, and sensitive groups should stay indoors.
301-500	Hazardous	Emergency conditions: everyone should avoid all outdoor physical activity and stay indoors with filtered air if possible. The scale tops out at 500; heavier dust or smoke is shown as 500.

Modelled by CAMS (Copernicus) via Open-Meteo, refreshed twice a day; read hour by hour from the forecast.