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AER Nowcast of Solar Energetic Protons



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Real-time SEP Nowcast


Map of the Integral Proton Fluence

Choose Location and Altitude

Latitude (degrees):

Longitude (degrees):

Altitude (km):

Energy (> MeV):


Last Update Time: 2018-08-15 0510 UT
Kp = 2

Current Integral Flux by Altitude

Selected Latitude: 40, Longitude: 40

Proton Flux Tables

Choose the proton energy:
Altitude (km) >1 MeV (pfu)
500 0.005
1000 0.005
2000 0.007
5000 0.011
10000 0.022
15000 0.051
20000 0.147
25000 0.655
30000 0.655
35000 0.655
Altitude (km) >5 MeV (pfu)
500 0.005
1000 0.005
2000 0.007
5000 0.011
10000 0.022
15000 0.051
20000 0.147
25000 0.263
30000 0.263
35000 0.263
Altitude (km) >10 MeV (pfu)
500 0.005
1000 0.005
2000 0.007
5000 0.011
10000 0.022
15000 0.051
20000 0.147
25000 0.178
30000 0.178
35000 0.178
Altitude (km) >30 MeV (pfu)
500 0.005
1000 0.005
2000 0.007
5000 0.011
10000 0.022
15000 0.051
20000 0.095
25000 0.095
30000 0.095
35000 0.095
Altitude (km) >50 MeV (pfu)
500 0.005
1000 0.005
2000 0.007
5000 0.011
10000 0.022
15000 0.051
20000 0.071
25000 0.071
30000 0.071
35000 0.071
Altitude (km) >100 MeV (pfu)
500 0.005
1000 0.005
2000 0.007
5000 0.011
10000 0.022
15000 0.048
20000 0.048
25000 0.048
30000 0.048
35000 0.048
Altitude (km) >500 MeV (pfu)
500 0.005
1000 0.005
2000 0.007
5000 0.011
10000 0.019
15000 0.019
20000 0.019
25000 0.019
30000 0.019
35000 0.019

The cursor position option allows for a more exact determination of proton flux at the specified altitude, latitude, and longitude.